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1. ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component B1 Heat exchanger assy E25 Fan motor B1 1 Distributor with filter F1 Casing assy B1 2 Single union joint F6 Inspection cover assy B1 3 Single union joint F8 Drain pan assy B1 4 Flare nut F8 1 Drain plug B1 5 Flare nut F9 Sound absorbing material C1 Fan rotor turbo F10 Heat exchanger blind plate assy C2 Lock washer F11 Heat exchanger mounting plate C3 Nut with washer F12 Hold plate assy E1 Switch box assy F13 Panel mounting plate E2 Switch box body F14 Drain pump mounting plate E4 Bell mouth F15 Vibration isolator E5 Switch box cover assy 1 F16 Hexagon mounting bolt E6 Switch box cover 2 F17 Vibration isolator E7 1 PCB assy F18 Nut with washer E7 1 Thermistor Air F19 Feeler bulb clamp E9 Capacitor F21 Rubber bush E10 Terminal F22 Inner heat insulator E11 Terminal block G1 Drain hose E12 Power supply transformer G2 Hose band E14 Wire harness H1 Top tray assy E15 Wire harness H2 Bottom tray assy E16 Wire harness K1 Drain hose assy E19 Earth wire K2 Hose band E20 Earth screw K3 Insulation for joint liquid E21 Thermistor liquid K4 Insulation for joint gas E23 Drain pump K5 Sealing material E24 Float switch Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 4 FFQ25 35 50 60B Explod
2. PCB Layout ESIE05 04 6 13 FAQ100B PCB The illustration below shows the PCB connectors X61A X60A X27A X11A X19A X98A X20A X25A X29A X24A X35A X14A X15A X5A X10A X26A X18A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A X2A on A2P Transformer PCB secondary side X11A X1A on A2P Transformer PCB primary side X14A S1Q Limit switch swing flap X15A Connector float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M1P Drain pump motor X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X35A X1A on KRP4 Connector to group control adaptor power supply 16 VDC for optional PCB KRP4 X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor X98A C1 Capacitor for fan motor 1 120 Part 1 System Outline ESIE05 04 Part 2 Functional Description What is in this part This part contains information on the functions used to control the system Understanding these functions is vital when diagnosing a malfunction that is related to the functional control Overview This part contains the following chapters Chapter See page 1 Functional concept 2 3 Part 2 Fu
3. Temperature The table below is the thermistor R1T and R2T temperature resistance conversion table resistance Temp Temp A KQ Temp A kQ oy 509 hoes C 20 197 81 20 25 01 60 4 96 19 186 53 21 23 91 61 4 79 18 175 97 22 22 85 62 4 62 17 166 07 23 21 85 63 4 46 16 156 80 24 20 90 64 4 30 15 148 10 25 20 00 65 4 16 14 139 94 26 19 14 66 4 01 13 132 28 27 18 32 67 3 88 12 125 09 28 17 54 68 3 75 11 118 34 29 16 80 69 3 62 10 111 99 30 16 10 70 3 50 9 106 03 31 15 43 71 3 38 8 100 41 32 14 79 72 3 27 7 95 14 33 14 18 73 3 16 6 90 17 34 13 59 74 3 06 5 85 49 35 13 04 75 2 96 4 81 08 36 12 51 76 2 86 3 76 93 37 12 01 77 2 77 2 73 01 38 11 52 78 2 68 1 69 32 39 11 06 79 2 60 0 65 84 40 10 63 80 2 51 1 62 54 41 10 21 2 59 43 42 9 81 3 56 49 43 9 42 4 53 71 44 9 06 5 51 09 45 8 71 6 48 61 46 8 37 7 46 26 47 8 05 8 44 05 48 7 75 9 41 95 49 7 46 10 39 96 50 7 18 11 38 08 51 6 91 12 36 30 52 6 65 13 34 62 53 6 41 14 33 02 54 6 65 15 31 50 55 6 41 16 30 06 56 6 18 17 28 70 57 5 95 18 27 41 58 5 74 19 26 18 59 5 14 Applicable sensors A Indoor R1T R2T R3T Part 3 Troubleshooting 3 57 Additional Checks for Troubleshooting ESIE05 04 4 6 In cooling operation In heating operation Evaluation of Abnormal High Pressure Abnormally high pressure level is mostly caus
4. Indoor units The table below contains the refrigerant pipe connection diameters Model Gas pipe flare Liquid pipe flare FCQ35B 9 5mm 6 4 mm FCQ50 60B 12 7 mm 6 4 mm FCQ71 100 125B 15 9 mm 9 5 mm FCQ71 100 125D 15 9 mm 9 5 mm FFQ25 35B 9 5 mm 6 4 mm FFQ50 60B 12 7 mm 6 4 mm FBQ35B 9 5 mm 6 4 mm FBQ50 60B 12 7 mm 6 4 mm FBQ71 100 125B 15 9 mm 9 5 mm FDQ125B 15 9 mm 9 5 mm FDQ200B 28 6 mm 12 7 mm FDQ250B 28 6 mm 15 9 mm FHQ35B 9 5mm 6 4 mm FHQ50 60B 12 7 mm 6 4 mm FHQ71 100 125B 15 9 mm 9 5 mm FUQ71 100 125B 15 9 mm 9 5 mm FAQ71 100B 15 9 mm 9 5 mm FDEQ71 100 125B 15 9 mm 9 5 mm 1 58 Part 1 System Outline 6S L auImo wajs s Hed 4oisiuueui edid abre yosig LEH JO SIUJ8U 100 LZH 10 SIuJOU JV LL J0 siuueu s ue4 v jun ey jo sued eoiueuoeu suy jeujo pue seuejjideo eu jo aBexoo q plone 0 pesn osje s pue uorejjeisur Buunp uiejs s ay 1e ue Aew uoruM senunduu 1991 09 0 pesn S 1914 eu 4914 pesn 9Je Suy S ANO ejjjem pejeoo pue seqni x IH ed uy anno nw y jo si jeBueuoxe yeay ay 1 AeDueuoxe JeaH z Jejeureip uoroeuuoo edid ees uonoeuuoo 9Je 4 eL yewa uonound juauodwos ON sweJBelp guonouny ay jo sjueuoduioo JueJeyIp ey surejuoo mojaq ajqe ay sjuauodwog sjuauodwos Bbuldig ve v0 SOAISA euifino wajs s Yed 09 1 v0 S03IS3 ESIE05 04 Wir
5. 1 98 Part 1 System Outline ESIE05 04 Switch Box Layout 5 5 FFQ25 35 50 60B The illustration below shows the switch box layout Item Description PCB Printed circuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 99 Switch Box Layout ESIE05 04 5 6 FBQ35 50 60 71 100 125B The illustration below shows the switch box layout PCB TIR X1M C1R Item Description PCB Printed circuit board TIR Transformer C1R Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 100 Part 1 System Outline ESIE05 04 Switch Box Layout 5 7 FDQ125 200 250B The illustration below shows the switch box layout PCB C1R TIR X1M X2M Item Description PCB Printed circuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 101 Switch Box Layout ESIE05 04 5 8 FHQ35 50 60 71 100 125B The illustration below shows the switch box layout C1R TIR PCB X1M X2M Item Description PCB Printed c
6. Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 6 FBQ60 71B Exploded view The illustration below shows the exploded view BR SS 3 t RAB 3 0 lt Ly o alli Ni 3 o 2 E 3 g Vos i l a E g a ES E 939 5 243 313 3141 31 1 5 12 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component 1 Top plate assy 29 Plain washer 2 Right plate assy 30 Fitting bolt drain pump 3 Left plate assy 31 Fan assy 4 Interchangeable plate 31 1 Fan top plate 5 Small bottom plate 31 2 Fan housing bottom 6 Large bottom plate 31 3 Fan housing top 7 Air outlet flange 31 4 Rotor assy 8 Center stay assy 31 4 1 Hexagon socket screw FBQ60 9 Air filter holding plate assy 31 5 Fan motor 10 Stay for fan top panel assy 31 6 Fan motor stand 11 Fan side blind plate assy 31 7 Motor fixing plate assy 12 Cooler side blind plate assy 32 Switch box assy 13 Pipe setting plate assy 32 1 Switch box body 14 Swtich box cover assy 32 2 Switch box fixing plate 15 Drain pan setting plate 32 3 Terminal fixing plate 16 Drain socket cover assy 1 32 4 Option fixing plate left 17 Drain socket cover assy 2 32 5 Option fixing plate rig
7. 1 56 3 3 Pipe Connection Diameters 1 58 3 4 Piping Corriporients etre e e 1 59 4 Wiring Diagrams 4 1 What Is in This Chapter ooooocnncnnccocococonocconnnananancnnc cnn nnnn ano ncnon can cnn nana nanns 1 61 4 2 FCQ35 50 60B 1 62 4 3 FCQ71 100 125B ricino 1 64 4 4 EGQ71 100125 140D audacia 1 66 4 5 FFQ25 35 50 60B 1 68 4 6 FBQ35 50 60B nie e ee Aa 1 70 4 7 FBQYIB ree nte ete iti er REED 1 72 4 8 FBQ100 125B 1 74 4 9 EDGQ125 200 250B 5 cas nd necp eee EPOD io gt 1 76 4 10 FEIQS5 50 60B ocn 1 78 4 11 FHQ71 100 125B 1 80 4 12 FUQ71 100 125B 1 82 4 13 FAQ TAB iiie t 1 84 4 14 FAQ100B 1 86 4 15 EDEQYIB eet 1 88 4 16 FDEQTO0B oia 1 90 4 17 FEDEO Bit teneat ette ie Pe Le tnt 1 92 5 Switch Box Layout 5 1 What Is in This Chapter seseeeeseeeeennnneennenneee 1 95 5 2 FGQS5 50 60 71B ise acte ne acp atium E eder atadas 5 3 peel hag a 5 4 FCQ71 100 125 140D 5 5 FEQ25 35 50 60B vis vandal aiden eii ee aee ocu oder 5 6 FBQ35 50 60 71 100 125B 5 7 FDQ125 200 250B see 5 8 FHQ35 50 60 71 100 125B 5 9 FUQ71 100 125B 5 10 FAQTAB avn onan 5 11 FAQ100B ses 5 12 FDEQ71 100 125B ii Table of Contents ESIE05 04 6 PCB Layout 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 What Is in This Chapter FCQ35 50 60B
8. Part 1 System Outline 1 55 Functional Diagrams ESIE05 04 1 3 2 Indoor Piping All indoor units Heating 24904424225 Cooling Liquid piping Gas piping Indoor unit Remark R3T only present on following types of indoor units m FCQ35 60B m FFQ25 60B m FBQ35 60B m FHQ35 60B 1 56 Part 1 System Outline ESIE05 04 Functional Diagrams Piping components The table below contains the different components of the functional diagrams No Component Function remark 1a Flare connection See pipe connection diameter 2 Heat exchanger The heat exchanger is of the multi louvre fin type Hi X tubes and coated waffle louvre fins are used 3 Filter The filter is used to collect impurities which may enter the system during installation and is also used to avoid blockage of the capillaries and other fine mechanical parts of the unit 4 Fan Depending on indoor unit type an axial or centrifugal fan is used See chapter on specifications for the exact type 5 Thermistor AIT Air thermistor Bl R2T Liquid thermistor Bl RST Coil thermistor Remark Sensor R3T on indoor coil of FCQ35 60B FFQ35 60B FBQ35 60B amp FHQ35 60BU is not used when connected to sky air outdoor units RR RQ RZQ Part 1 System Outline 1 57 Functional Diagrams ESIE05 04 3 3 Pipe Connection Diameters
9. Checking To check the power supply wave form proceed as follows Step Action 1 Measure the power supply wave form between pin 1 and 2 of X1M for the outdoor units or between pin 1 and 2 of X2M for the indoor units 2 Check whether the power supply wave form is a sine wave 3 Check whether there is wave form disturbance near the zero cross N 4 Adjust the supply voltage Part 3 Troubleshooting 3 55 Additional Checks for Troubleshooting ESIE05 04 4 4 Checking the Thermistors Thermistors Overview of thermistors If the cause of the problem is related to the thermistors then the thermistors should be checked prior to changing the PCB For more information about these thermistors see W Wiring Diagrams W Functions of Thermistors on page 2 4 The table below contains an overview of the thermistors Thermistor Description Indoor R1T Suction air thermistor R2T Heat exchanger thermistor R3T Gas pipe thermistor Checking To check the thermistors proceed as follows Step Action 1 Disconnect the thermistor from the PCB 2 Read the temperature and the resistor value 3 Check if the measured values correspond with the values in the table on the next pages 3 56 Part 3 Troubleshooting ESIE05 04 Additional Checks for Troubleshooting 4 5 Resistance Conversion Table Ambient Coil Fin
10. Part 5 Disassembly and Maintenance 5 81 Disassembly and Maintenance ESIE05 04 1 13 2 Removal of Electrical Parts and PC Boards Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Loosen the 2 screws of the control box cover and remove the control box cover 51238 2 Remove the 2 screws of the control box 5 82 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Pull down the control box and let it hang by the 2 locations in the rear Control box Electrical parts can now be removed ES h D gt Rear panel 51244 51240 4 Disconnect the connector mounted on X11A X27 the PC board Primary side In and outdoor X204 of transformer unit connection Fan motor i l TA ea Nd X14A s Sea ON Y X29A for Limit switch E h z I ET Swing molor RE Em lees I E S ced X1BA eS SS Al Heat exchanger D a thermistor E i n X19A Suction air thermistor CN1O CNA X26A Secondary side Remote Fan moior of Iranstormer controller feed back 151241 5 Remove the PC board installation screw 5 83 Part 5 Disassembly and Maintenance Disassembly and Maintenan
11. code T YES Units equipped with liquid crystal remote controllers only Is the remote controller s operation lamp blinking NO Cooling 1 Thermostat is broken 2 The cool heat selector is broken 3 The operation switch is broken 4 The compressor s magnetic swich is broken 1 15 Over charged with refrigerant 6 Air is mixed inside the refrigerant circuit 7 The pressure switch is broken 8 The outdoor unit fan motor s magnetic Switch is broken 20 The outdoor unit s heat exchanger is dirty Units equipped with wireless remote controllers only the indoor unit s signal receiving section blinking Is the operation lamp of Try turning the Operation switch OFF and On The unit runs but doesn t cool the room Measure the suction disharge temperature Temperature differential The units runs but doesn t heat the room suction temperature discharge temperature 3 Measure the suction discharge temperature Temperature differential Did you allow 3 minutes to elapse after turning ON E Heating 21 There is something blocking the outdoor unit s air flow 22 Malfunction of the outdoor unit s fan 23 The indoor unit s air filter is dirty 19 The outdoor unit fan motor s auxiliary gem relay is broken Nomal
12. 2642 v Sealing material of discharge port Anti sweat material S2644 Sealing material of discharge port S2643 Part 5 Disassembly and Maintenance 5 49 Disassembly and Maintenance ESIE05 04 Step Procedure Points Remove the two screws for each bearing of horizontal vane 16 screws in total Fixing screws 2645 Remove the horizontal vane S2646 5 50 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 5 Removal of Swing Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the decoration anel P Fixing screw m Refertothe Removal of Decoration Panel 2 Pulloutthe swing motor harness from the wiring groove 3 Remove two mounting screws for swing motor mounting plate to remove the plate 4 Turn the horizontal vane to downward manually and turn up the panel side gear to disengage the motor side gear Wiring groove 82647 5 Remove the swing motor Part 5 Disassembly and Maintenance 5 51 Disassembly and Maintenance ESIE05 04 Step Procedure Points Wi Precaution during swing motor ins
13. Part 1 System Outline 1 87 Wiring Diagrams ESIE05 04 4 15 FDEQ71B Wiring diagram The illustration below shows the wiring diagram of the unit Terminals for Operation Indicator Details of Wired Remote Controller Optional Accessory Fan Operation Compressor Operation Adaptor for wiring Switch box Colors BLK Black SB Field wiring BLU Blue CIT Terminal GRY Grey E Connector ORG Orange t as Wire Clamp RED Red l Protective earth screw WHT White Notes 1 When using the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination system See technical materials and catalogues etc before connecting 1 88 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller CAR Capacitor Fan BS1 ON OFF button F1T Thermal fuse 136 C T1R embedded BS2 Timer mode start stop button HAP Light emitting diode Service monitor green BS3 BS8 Programming time button M1F Motor Fan BS4 BS9 Temperature setting button R1T Thermistor Air BS6 Operation mode selector button R2T Thermistor Coil BS7 Timer ON OFF button RyF1 4 Magnetic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation
14. 4 9im i0 t uonisod BuiBueH yoq BuiBueH eoeds pasinboy d BuibueH t 1 30 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component 1 Air outlet 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 73 Earth terminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Back side drain pipe connection left 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Position of the hole in the wall for piping straight trough the wall 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System Outline 1 31 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm a N S iL E D x o o 2 Y 5 T o Imensions d enueuu uonel eisu 0 Jaja aseajd pawi eq jw uoroeuuoo edid jo uonoeuip eBueuosip Aem g JO Z ju aBreyosip eui Burso o ueuM Ire 19p 10 Jej o juoo e3ouJeJ SS J JM jo Buweup eui O Jejed Jantesa Jeus ay 10 UONISOd eui si sui 49 04JU0D ejouue1 sse
15. Technical The table below contains the technical specifications specifications Specification FUQ71BUV1B FUQ100BUV1B FUQ125BUV1B Heat exchanger Rows x stages x fin pitch 3x6x1 5mm 3x8x1 5mm Face area 0 265 m 0 353 m Tube type N Hix Fin type Multi louver Fan Air flow rate cooling high 19 0 m min 29 0 m min 32 0 m min Air flow rate cooling low 14 0 m min 21 0 m min 23 0 m min Air flow rate heating high 19 0 m min 29 0 m min 32 0 m min Air flow rate heating low 14 0 m min 21 0 m min 23 0 m min Qty x model rotor 1x QTS48A10M 1x QTS50B15M Qty x model motor 1x D16P45R23 1x D17P90J23 Fan speed 2 steps Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Fan motor thermal protector ON 130 ae OFF 83 C Air filter Resin net with mold resistant Temperature control Microcomputer control Weight Unit 25 kg 31 kg Electrical The table below contains the electrical specifications specifications Specification FUQ71BUV1B FUQ100BUV1B FUQ125BUV1B Unit Phase d Voltage 220 240 V Frequency 50Hz Power consumption 180W 289W Nominal running current Fan motor FLA Full load amps 0 6A 1 0A No of motors x output 1x45W 1x90W 1 52 Part 1 System Outline ESIE05 04 Specifications 2 9 FAQ B Technical specifications Electrical specifications The table below contains the technical specifications Safety and functional devices Air filter Temperat
16. see FCQ71 100 125B eseese FCQ71 100 125 140D incerti netten FFQ25 35350 60B eed aede da aces FBQ35 50 60 71B amp FDEQ71B FBQ100 125B amp FDEQ100 125B sssseeeee FDQ125 200 250B iicet eec vei e FHQ35 50 60B FHO71 100 125B iii id ts eene Find FUQ71 100 125B eiee aeaaeae a arara ara Eaa aa Siaa aaa nnne nene FAO Birri FAQ100B Table of Contents ESIE05 04 Part 2 Functional Description 1 Functional concept 1 1 What Is in This Chapter sessssssssseeeeeeenerneeenenen 2 3 1 2 Functions of Thermistors 2 4 1 3 Forced Operating Mode Emergency Operation 2 5 1 4 Outdoor Unit Identification Function ccccccccconcncnononononononacononcnnnnnnnns 2 7 1 5 Simulated Operation Function 2 8 1 6 Restart Standby oaie e ta t det endete die 2 9 1 7 A tomatic Restart ege re SEE IR eects 2 10 1 8 Using Conditions for Remote Controller Thermostat 2 11 1 9 Forced Thermostat OFF ccccccccccccccssssssceceeeeecssessseeseeeeceesessssssseeeeeees 2 13 1 10 Freeze Prevention Function esses 2 14 1 11 PMV Control 2 15 1 12 Thermostat Control 2 16 1 13 Drain Pump Control 2 17 1 14 Condensation Avoidance Control 2 19 1 15 Draft Avoidance Control 1 2 20 1 16 Draft Avoidance Control 2
17. Piping 8 8 E elo oo o A Els E m gt a E elg SS NN NN S SS oc 17 41 9 x iti N A SE St o Po i otc 5 as 9 o o Approx 145 Approx 344 Approx 414 Name plate Note 2 a LELI e 145 y gt Piping direction S N Jg m j bt 518 y ol Elo o 5 fo L 55 olip D a ge IE si 35 2 3 fo c O Du Ecg 5 9 ass o o E 8g M o o0 o 0_5 2 ES 208235 c Ocoosoco x 2 C i 2 Se des amp Lo oosgo lt es Ss3o5 52 no 0 sE 2530 a 6237 0 cr SOf EL OF S o 9o995 ie DELS cGOcfqgto uoto OED z LoSg c oog s LII OJn0 Sraror Ze A 1 36 Part 1 System Outline ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Front panel Front grille Air outlet Gas pipe Liquid pipe Drain hose Grounding terminal Right side pipe connection hole olol NI aJ oa AJ OJN Left side pipe connection hole Part 1 System Outline 1 37 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm m o o baal S M E x o o 9 Y 5 T o dimensions Ire p 40 19 04jU09 9 0U19 ssejaJiM jo BuiweJp y 01 J9JeH JeAre2oJ euis e aq im uonisod siu Jejoquoo ejouleJ ssejeJIM Dui
18. Wires for remote controller Part 5 Disassembly and Maintenance 5 53 Disassembly and Maintenance ESIE05 04 Step Procedure Points 3 Remove five pieces of lead wires from PCB on Five pieces lead wires shown below connect to the PCB and the switch box and lead lead wire connected to the capacitor for fan motor wire connected to the X15A Lead wire of float switch capacitor for fan motor X17A Lead wire of thermistor for heating Refer to the list shown in X18A Lead wire of liquid pipe thermistor the right X20A Lead wire of fan motor X25A Lead wire of drain pump 4 Cut tie wraps fixing lead wires of float switch thermistor for heating and liquid pipe thermistor 5 Remove two fixing screws located at both ends of switch box and one screw inside the box 6 Remove the switch box 5 54 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 7 Removal of Fan Rotor and Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the switch box m Remove the bell mouth Two screws m A convex protrusion is provided at the position of bell mouth fixing screw to prevent misjudgment with switch box fixing position Y E S2654 1 Removing the fan rotor 1 Remove t
19. 3 36 Part 3 Troubleshooting ESIE05 04 Error Codes Troubleshooting Caution Check the connections of X20A and X26A l Are X20A and X26A properly connected Connect X20A No and X26A correctly Yes Unplug X26A and switch the power supply on Check the voltage between pins 1 and 3 of X26A Replace indoor No gt unit PCB Is there about 12 VDC Check indoor unit fan motor and motor wiring Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 37 Error Codes ESIE05 04 2 6 Malfunctioning Capacity Setting RJ Error code LED indications Error generation Causes Capacity setting adaptor The table below shows the LED indications Operation HAP green HBP green Normal 7 Malfunctioning xk 1k The error is generated when the following conditions are fulfilled Condition Description 1 The unit is in operation The PCB s memory IC does not contain the capacity code The capacity setting adaptor is not connected The unit is in operation The capacity that is set does not exist for that unit The possible causes are W Malfunctioning capacity setting adaptor connection W Malfunctioning indoor unit PCB The
20. Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Remote control code and control wiring connection Air discharge outlet Suction grille o NI oO a BR wo Pp Drain hose Part 1 System Outline ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm m o LO i co e L E D x o 9 S 5 T o dimensions uonisod exelur se yses4 9 MIA eoueJejunoJi uo oq uorsuedsng Buimeup pouieui Uuonel ejsul 19114 94 01 19494 poujeu uomejeisut ay 0 Buipjoooe jaued ssoeooe sonas e epi oid 0 JeSsa99Uu s 1I 191111 Jre eui JO SIUBUAJUIBUA 104 E uejs s oyloads ay jo uoreinBiyuoo ay 0 Buip oooe seueA yidap Bulao peuinboi eu z seuosseooe jeuondo Burj ejsur ueuMw seuosseooe euondo Buij eisur 10 Buiweip xoo ino O 12434 SALON V MIA uonisod uolsuedsns 4 1 o6 SoD Part 1 System Outline 1 14 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote controller wiring connection Power supply connection Drain hole Air filter Air suction side olol NI aJa
21. Heating operation is turend on with remote controller Indoor unit fan LL tap Condition A is met Indoor unit fan L tap Condition B is met Indoor unit fan M tap Condition C is met Indoor unit fan Set fan speed Continuing L tap on indoor unit without M tap equipped Condition A Condition B Condition C Indoor unit h e temp 34 C Indoor unit h e temp indoor suction air temp 17 C 412 C if outside temperature is lt 5 C Indoor unit h e temp indoor suction air temp 22 20 if outside temperature is lt 5 C 3 minutes elapsed after compressor startup 5 5 minutes elapsed after compressor startup 10 5 minutes elapsed after compressor startup 2 24 Part 2 Functional Description ESIE05 04 Part 3 Troubleshooting What is in this part This part contains the following chapters Chapter See page 1 Troubleshooting 3 3 2 Error Codes 3 31 S Error Codes System Malfunctions 3 45 4 Additional Checks for Troubleshooting 3 53 Part 3 Troubleshooting 3 1 ESIE05 04 Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 Troubleshooting 1 1 What Is in Introduction This Chapter When a problem occurs you have to check all possible malfunctions This chapter gives a general idea of where to look for malfunctions
22. Introduction This chapter contains the following information on the indoor units m Exploded views BW Components m Disassembly procedures Explodedviewsand This chapter contains the following topics components Topic See page 1 2 FCQ35 50 60 71B 5 4 1 3 FCQ100 125B 5 6 1 4 FFQ25 35 50 60B 5 8 1 5 FBQ35 50B 5 10 1 6 FBQ60 71B 5 12 1 7 FBQ100 125B 5 14 1 8 FDQ125 200 250B 5 16 1 9 FDEQ71 100B 5 18 1 10 FDEQ125B 5 20 Dissassembly This chapter contains the following topics procedures Topic See page 1 11 FCQ71 100 125 140D 5 22 1 12 FFQ25 50 60B 5 42 1 18 FHQ35 50 60 71 100 125B 5 79 1 14 FUQ71 100 125B 5 94 1 15 FAQ71B 5 111 1 16 FAQ100B 5 122 Part 5 Disassembly and Maintenance 5 3 Disassembly and Maintenance ESIE05 04 1 2 FCQ35 50 60 71B Exploded view The illustration below shows the exploded view lt F10 5 4 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component B1 Heat exchanger assy E23 Drain pump B1 1 Branch pipe FCQ35 E24 Float switch B1 1 Distributor with filter E25 Fan motor B1 2 Single union joint F1 Casing assy B1 3 Single union joint F6 Inspec
23. Operation HAP green HBP green Normal E Tk Malfunctioning E ik Error generation The error is generated when the water level reaches its upper limit and when the float switch turns OFF Causes The possible causes are Malfunctioning drain pump Improper drain piping work Drain piping clogging Malfunctioning float switch Malfunctioning indoor unit PCB Malfunctioning short circuit connector X15 on PCB Part 3 Troubleshooting 3 33 Error Codes ESIE05 04 Troubleshooting Is the Is the short Is the unit a optional drain circuit connector Connect the cassette or built in No raising mechanism No C connected to X15A on the No Short circuit type connected indoor unit connector PCB Yes Yes Yes SPE Check the continuity of the short circuit connector Yes Isa drain pump is there Replace the connected to the No Connect the continuity No Short circuit indoor unit drain pump p connector PCB Yes Yes Replace the indoor unit PCB teda Set to e drain pump emergency and work after restarting No gt ae liue operation of X25A Yes Is the drain water float switch Connect 220 240 Replace indoor level abnormally No connected
24. Part 3 Troubleshooting ESIE05 04 Troubleshooting Troubleshooting Is the unit YES Wait for a while in defrost mode Measure the temperature of suction air and supply air Temperature difference Suction air temp Supply air temp Temperature difference for heating should be between 14 and 30 C ls the operation YES current less than specified level Does indoor unit air flow rate down YES Is the level of high pressure lower than normal level YES Insufficient compression of compressor Insufficient circulation of Does the heat load increase after installation of the unit NO No abnormality 1ES No abnormality Incorrect selection of model Affection of sunlight Affection of excessive fresh air into room gt Additional unit installation should be considered Gas shortage possibly generates trouble gt After vacuum drying charge correct amount of refrigerant Clogged air filter Soiled heat exchanger Malfunction of indoor fan motor Refer error code A6 Check each item Refrigerant overcharge Soiled heat exchanger Short circuit of discharge air Disturbing item in air flow Malfunction of fan motor of outdoor unit Refer error code E7 H7 Check each item Check each item
25. m x 5 02 02 02 02 02 02 02 13 or 23 0 01 m 01 S 01 01 1 01 01 d E 3 t pa 4 02 02 gt 5 01 01 2 01 01 01 6 01 E mE 14 or 24 0 01 01 01 01 01 01 4 14 Part 4 Commissioning and Test Run ESIE05 04 Field Settings 2 6 Incorrectly setting Mode No 13 or 23 First code No 0 Setting the Ceiling Height If you set the controller incorrectly a connection mistake malfunction UR will appear on the remote controller display See Malfunctioning Field Setting Switch UA on page 3 50 Set the second code No according to the tables below FHQ Second code No Ceiling suspended type 01 Height lt 2 7m 02 2 7 m lt height lt 3 5 m 03 Not used FAQ Second code No Wall mounted type 01 Normal 02 High 03 Extra high FCQ and FUQ Indoor unit Second code No 4 way outlet 3 way outlet 2 way outlet FCQ35 71 01 lt 2 7m lt 3 0m lt 3 5m 02 lt 3 0m lt 3 3m lt 3 8 m 03 lt 3 5 m lt 3 5m FCQ100 125 140 01 lt 3 2 m lt 3 6 m lt 4 2m 02 lt 3 6m 4 0m 4 2m 03 4 2m 4 2m FUQ 01 lt 2 7m lt 3 0m lt 3 5m 02 lt 3 0m lt 3 5m lt 3 8 m 03 lt 3 5m lt 3 8m Part 4 Commissioning and Test Run 4 15 Field Settings ESIE05 04 2 7 Mode No 10 or 20 First code No 0 Fan speed setting at S
26. 3 22 Part 3 Troubleshooting ESIE05 04 Troubleshooting Step Action 2 Press the UP or DOWN button and change the UNIT No until the receiver of the remote controller starts to beep TONO UP DOWN 1 RESERVE CANCEL TIMER MODE AC SWING O x TEST C EB 5 T If you hear Then 3 short beeps Follow all steps below 1 short beep Follow steps 3 and 4 Continue the operation in step 4 until you hear a con tinuous beep This continuous beep indicates that the error code is con firmed 1 continuous beep There is no abnormality 3 Press the MODE selector button The left 0 upper digit indication of the error code flashes ON OFF RESERVE CANCEL TIMER MODE MODE Part 3 Troubleshooting 3 23 Troubleshooting ESIE05 04 Step Action 4 Press the UP or DOWN button to change the error code upper digit until the receiver of the remote controller starts to beep E DOWN OONsOFF 4 235 lO B TIME UP zs DOWN B 7 1 RESERVE CANCEL u P TIMER L MODE P F A SWING H E E A g A UP 3 If you hear Then 2 short beeps The upper digit matches 1 short beep No digits match 1 continuous beep Both upper and lower digits match 5 Press the MODE selector button Th
27. The fan comes on but the compressor doesn t run Nomal Runs Set the remote setting to 1 When Cooling starts but stops right away The unit won t run again for a while after stopping cooling Minimum 2 When heating Maximum controller s temperature Ask for the character code of the malfunction Doesn t run Is the operation lamp of the indoor unit s signal receiving section blinking Troubleshooting by remote controller malfunction code YES Units equipped with liquid crystal remote controllers only Refer to Remote controller display The operation circuit fuse is disconnected or is making poor contact The operation swich is broken or its contact is defective The high pressure switch is broken The fan motor s magnetic switch is broken 5 The fan motor s overcurrent relay is being actuated or is broken The compressor s overcurrent relay is broken The compressor s protective thermostat is broken The electrical system insulation is defective The compressor s magnetic switch s contact is defective 0 The compressor is broken Is the remote controller s operation lamp blinking Machines equipped with wireless remote controllers only Units equipped with wireless remote controller only zs Is the operation lamp of the indoor unit s signal receiving section blinking
28. YES NO Runs Operation is normal Is there something causing the indoor load to be large such as an open window or door YES NO d 27 Overcurrent relay for compressor FT 28 Compressor s protective themostat 24 The indoor unit s heat exhanger is dirty 25 There is something blocking the indoor unit s air flow 26 Malfunction of the indoor unit s fan 29 The causes for the overcurrent relay for compressor being actuated are 29 1 Power supply voltage is lower than prescribed 29 2 High pressure is too high 29 3 The power supply cord is too small 29 4 The compressor is broken 30 The causes for the compressor s protective thermostat 30 1 Internal leak of the 4way valve No substantial difference between suction and discharge temperature Temperature differential is 8 18 C pu 30 2 Unsatisfactory compression from Operation is normal s there something causing the indoor heat load to be large such as an open window or door YES NO Temperature differential is 14 30 C discharge temperature suction temperature the compressor 30 3 Different kind of refrigerant is charged 30 4 Malfunction of the expansion valve 30 5 Unsatisfactory refrigerant circulation OK We ll be right over Service work required 1989 Part 3 Troubleshooting ESIE05 04 Troubleshoot
29. gt z xp x V A 513914 Part 5 Disassembly and Maintenance 5 127 Disassembly and Maintenance ESIE05 04 Step Procedure Points 3 Remove the swing motor You can replace the swing motor from the swing Louvre without removing the swing unit Louvre unit 1315 au 151316 5 128 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 16 6 Removal of Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove side panels and Use 2 5 mm hexagon nut driver other external casing and electrical parts box according to their removal procedures 1 Loosen the hexagon set screw fastening the fan rotor and fan motor Hexagon nut driver 51317 2 Remove the fan motor fastener 3 screws Fan motor retainer fan motor 51320 3 Remove the fan motor 131319 Part 5 Disassembly and Maintenance 5 129 Disassembly and Maintenance ESIE05 04 1 16 7 Removal of Drain Pan Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Wi l removing the drain pan Carry out pump down disconnect the transmission piping and wiring and re
30. Selector switch Main Sub Part 1 System O utline 1 81 Wiring Diagrams ESIE05 04 4 12 FUQ71 100 125B Wiring diagram The illustration below shows the wiring diagram of the unit In case of simultaneous operation system Indoor unit Indoor unit Master Slave to Outdoor Unit Controller Remote n t o AP Wired R to Outdoor W diu dine E e Gonttolit 3 Not Y 551 1344 w 5 TEDA p lt Norm Emg NE I 0452 5 Receiver Display unit Notes 1 CIL 13 Terminal Connector 2 AM Field wiring 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual Control box 4 X24A is connected when the wireless remote controller kit is being used 5 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 6 Symbols show as follows RED Red BLK Black WHT White YLW Yellow GRN Green BLU Blue 7 Confirm the method of setting the selector switch SS1 SS2 by installation manual and engineering materials etc 1 82 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller C1 Capacitor M1F R1T Thermistor Air HAP Light emitting diode Service monitor green SS1
31. activation during thermostat OFF 1 The thermostat stays forced OFF 2 The drain pump starts to operate for minimum 10 minutes even if abnormality is solved within the 10 minutes 3 If the float switch closes again within 80 seconds cooling operation can restart within the 10 minutes recovery period Water level abnormality 7 T Float switch Normal ON Compressor OFF H ON OFF Drain pump E 5 min PS 5 min E Abnormal Error processing Normal Tmin20 Part 2 Functional Description 2 17 Functional concept ESIE05 04 Float switch 1 The thermostat is immediately turned OFF pena ae The drain pump continues to operate for minimum 10 minutes even if abnormality is solved within eine the 10 minutes 3 If the float switch closes again within 80 seconds cooling operation can restart within the 10 minutes recovery period Water leve abnormality Float switch Normal Compressor OFF Drain pump OFF 5 min Fs 5 min LI LI Abnormal Error processing Normal Used inputs Input Connection on indoor PCB Connection on outdoor PCB Float switch 33H X15A 2 18 Part 2 Functional Description ESIE05 04 Functional concept 1 14 Condensation Avoidance Control Purpose Avoid condensation on the swing flap when the most downward position of the swing flap position 4 is selected on the remote controller Applicable units This
32. oa BR wo Py Filter Part 1 System Outline 1 21 General Outline ESIE05 04 1 1301 FDQ200 250B Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions i gt B 285 255 A 830 890 FDQ200B7V3B FDQ250B7V3B Model 6223 EXTRA SERVICE SPACE FOR OPTIONAL DRAINPUMP NOTES 7 7 SERVICE SPACE 1 22 Part 1 System Outline ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Power supply instake Drain connection Gas pipe connection Liquid pipe connection oa BR wo PY Filter Part 1 System Outline 1 23 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm m o LO i co g L E o x o N 9 Y 5 T o dimensions 1004 SY LO Mal iie eur ynon ypres Burdid 104 TEM y UI ajoy ay jo UOHISOd nia eoeds paumbay quo eui WO welA yoeg Duidid ur no Dune 10 3104 dijs UONISO Y Z amp eioN aje d eureu purig quo eur eoeds eoies SJOWU JO uonisod BulBueH a 1e19p 104 19 0JUO09 e1ouje1 ssejeJIw jo BuiweJp y 01 Jajay Jan1a99 euBis e aq jw uonisod SIU 49 01JuO9 BJOWAI ssejoJiw
33. 13 or 23 Ceiling height setting Normal High Extra high lt 2 7m gt 2 7 lt 3 0 m gt 3 0 lt 3 5 m 1 Selection of air flow direction 4 way flow 3 way flow 2 way flow setting for when a blocking pad kit has been inst alled Horizontal discharge grill Enabled Disabled 4 Air flow direction adjust range Draft preven Standard Ceil soil pre setting tion vention 5 Field fan speed changeover air Standard Option 1 Option 2 outlet domestic only 6 External static pressure Normal High Low 14 or 24 0 Additional timer to guard timer Os 5s 10s 15s 1b 0 Permission level setting Level 2 Level 3 Only in 1 Leave home function Not Permitted case of permitted BRC1D52 2 Thermostat sensor in remote Use Not use r2 controller for limit operation and leave home function only Part 4 Commissioning and Test Run 4 13 Field Settings ESIE05 04 2 5 Overview of the Factory Settings on the Indoor Units Factory settings The table below contains the factory settings of all indoor units Mode No Firstcode Second code No i FCQ FFQ FBQ FAQ FDO FUQ FHQ FEDQ 10 or 20 0 01 01 01 01 01 01 01 1 01 01 01 02 01 2 02 02 02 02 02 02 3 01 01 01 01 01 01 01 11 or 21 0 01 01 01 01 01 01 01 1 01 01 01 01 01 01 01 2 01 01 01 01 01 01 01 12 or 22 0 01 01 01 01 01 01 01 3 01 01 01
34. 220 240V 22 V SS2 Selector switch Wireless address set V1TR Phase control circuit X1M Terminal strip Connector for optional parts X2M Terminal strip X33A Connector Adaptor for wiring RC Signal receiver circuit X35A Connector Group control adaptor TC Signal transmission circuit X40A Connector Remote ON OFF Forced OFF X60A X61A Connector Interface adaptor for Sky Air series Part 1 System Outline 1 69 Wiring Diagrams ESIE05 04 4 6 FBQ35 50 60B Wiring diagram The illustration below shows the wiring diagram of the unit 35 50 60 CLASS mr Qm Terminals for Operation Indicator i Details of Wired Remote Controller Optional accessory m me a 0 0 0 a Pe 10 O Operation ZO a 1n v Adaptor for wirin DUI PIG E 2 m ss Switch box q Fete wiring Tn Terminal EE Connector Notes s Wire lamp Protective earth screw 1 When using the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination Colors system See technical materials and catalogues etc before BLK Black connecting BLU Blue GRY Gray ORG Orange RED Red WHT White 1 70 Part 1 System Outline ESIE05 04 Wiring Diagrams 33H Float switch Wired remote controller A1P Printed circuit board
35. 5 5 FFQ25 35 50 60B 1 99 5 6 FBQ35 50 60 71 100 125B 1 100 5 7 FDQ125 200 250B 1 101 5 8 FHQ35 50 60 71 100 125B 1 102 5 9 FUQ71 100 125B 1 103 5 10 FAQ71B 1 104 5 11 FAQ100B 1 105 5 12 FDEQ71 100 125B 1 106 Part 1 System Outline 1 95 Switch Box Layout ESIE05 04 5 2 FCQ35 50 60 71B The illustration below shows the switch box layout TIR PCB CiR X1M X2M Item Description PCB Printed circuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 96 Part 1 System Outline ESIE05 04 Switch Box Layout 5 3 FCQ100 125B The illustration below shows the switch box layout X2M X1M C1R PCB Item Description PCB Printed circuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 97 Switch Box Layout ESIE05 04 5 4 FCQ71 100 125 140D The illustration below shows the switch box layout PCB2 PCB3 XIM X2M Item Description PCB1 Printed circuit board A1P power circuit PCB2 Printed circuit board A2P control circuit PCB3 Printed circuit board A3P X1M Teminal strip for P1 P2 F1 F2 X2M Teminal strip for interconnection wiring
36. AJ OJN Air discharge side o Nameplate Part 1 System Outline ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm FBQ60 71B Outlook and dimensions 1 8 eoueiejunoum UC uoiiisod exejul Jre ysoi4 Buiweup pouieui Uuonel ejsul 191114 94 01 19J94 poujeu uomejeisut ay 0 Buipjoooe jaued ssoeooe sonas e epi oid 0 JeSsa99Uu s 1I 191111 Jre eui JO SIUBUAJUIBUA 104 E uejs s oyloads ay jo uoreinBiyuoo ay 0 Buip oooe seueA yidap Bulao peuinboi eu z seuossoooe euondo Bure1sul uaym seuosseooe euondo Bu ejsul 10 Buimesp AOOJINO O 13434 SALON Part 1 System Outline 1 16 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote controller wiring connection Power supply connection Drain hole Air filter Air suction side olol NI aJa AJ OJN Air discharge side o Nameplate Part 1 System Outline ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm m ike A r o Y ea LL t ac x o 9 o 5 T o dimensions Uoinisod ayejul e u
37. Combination matrix Possible indoor combination Standard capacity for twin and triple operation Twin Triple Outdoor models So n 1 AX RQ71B7V3 W1 35 35 E RR71B7V3 W1 KHRQ22M20TA7 RQ100B7V3 W1 50 50 50 60 35 71 35 35 35 E m RR100B7V3 W1 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ127H7 RQ125B7W1 60 60 50 71 _ 50 50 50 _ _ RR125B7W1 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ127H7 Notes 1 Possible indoor types m FCQ35 71 FFQ35 60 FUQ71 FHQ35 71 FAQ71 E FBQ35 71 Individual indoor capacities are not given because the combinations are for simultaneous operation indoor units installed in same room When different indoor models are used in combination designate the remote controller that is equipped with the most functions as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FBQ Between brackets are the required Refnet kits mentioned that are necessary to install the combination For unit specification of the outdoor units and the indoor units refer to the unit specifications mentioned for pair systems Nominal cooling capacities are based on the following conditions indoor air temperature 27 CDB 19 CWB outdoor temperature 35 CDB Nominal heating capacities are based on the following conditions indoor air temperature 20 CDB outdoor temperature 7 CDB 6 CWB viii ESIE05 04 What is
38. For maintenance of the air filter it is necessary to provide a service 1 Refer to Outlook drawing for installing optional accessories when NOTES 1 40 Part 1 System Outline ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Remote controller wiring connection Power supply connection Drain pipe connection Air filter Air suction side Air discharge side olol NI aJ oa AJ OJN Nameplate Part 1 System Outline General Outline ESIE05 04 1 21 Outlook and dimensions FDEQ125B The illustration below shows the outlook and the dimensions of the unit mm L y uonisod uorsuedsns 899 Suspension Bolt VIEW A P T SSSSSSSSSSSSSNNS zT lt lt A y fa 1 P e 27 YY f Service space ep Lu E o zZ 1 Refer to Outlook drawing for installing optional accessories when installing optional accessories 2 For maintenance of the air filter it is necessary to provide a VIEW B service access panel according to the installation method Refer to the Filter installation method drawing 1 42 Part 1 System Outline ESIE05 04 General Outlin
39. Not all repair procedures are described Some procedures are considered common practice Overview This chapter contains the following topics Topic See page 1 2 General Troubleshooting Flowchart 3 4 1 3 Overview of General Problems 3 5 1 4 Procedure of Self Diagnosis by Remote Controller 3 20 1 5 Fault diagnosis by Wired Remote Controller 3 21 1 6 Fault diagnosis by Wireless Remote Controller 3 22 1 7 Overview of Error Codes 3 26 1 8 Troubleshooting by LED Indications on the Indoor Unit 3 27 1 9 Troubleshooting by Remote Controller Display LED Display 3 28 1 10 Overview of the Indoor Safety Devices 3 30 Part 3 Troubleshooting 3 3 Troubleshooting ESIE05 04 1 2 General Troubleshooting Flowchart Find out the situation according to the following procedure when there is a request for service from the Troubleshooting by remote controller malfunction code Er X malfunction code and contents Doesnt run at all L Yes Units equipped with liquid crystal remote controllers only Is the remote customer Wait until Turn the power supply power failure switch ON or replace is over the fuse YES YES Is there a NO The power supply switch is power OFF or the switch s fuse is failure burnt controller s operation pS lamp blinking Units equipped with wireless remote controllers only
40. Procedure Step Procedure Points 1 Removing fan motor a Disconnect connector b Remove lead wire retaining plate 2 Remove screws for mounting fan motor BH FUQ71BUV1B Three screws m FUQ100 125BUV1B Four screws 81275 ZN ZN Lead wire AN retaining plate N Caution Fan motor can be removed without removing the lead wire retaining plate JP However when washing the heat M exchanger this plate should be removed and protect the lead wires 5 100 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Remove motor by pulling down 1278 Part 5 Disassembly and Maintenance 5 101 Disassembly and Maintenance ESIE05 04 1 14 5 Removal of Drain Pan Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove suction grille according to the Removal of air filter and that of suction grille Be sure to use flocked screw when reassembling Corner section A B and C 81278 1 Todismount three corner sections A B and C remove a flocked screw 2 Remove three flocked screws to dismount corner section D 51280 5 102 Part 5 Disass
41. Setting the Filter Counter 4 16 2 8 MAIN SUB Setting when Using Two Remote Controllers 4 18 2 9 Setting the Centralized Group No 4 19 2 10 The Field Setting Levels 4 20 Part 4 Commissioning and Test Run 4 9 Field Settings ESIE05 04 2 2 How to Change the Field Settings with the Wired Remote Controller Installation The field settings have to be changed with the remote controller according to the installation conditions conditions Wired remote The illustration below shows the wired remote controller controller 3 6 23 7 8 9 2 1 o ED l Mli 10 E ea pc 2 253 xz mue LEA GA T Cs CEBIT TIO rs d os m El SS ads Lor SETTINGIAAILARLE ENE a 16 13 1518 19 20 21 5 24 29 33 e D TSE m a Ea m END y om DD og Ae GA um epi ED ap 30 31 32 34 Components The table below contains the components of the wired remote controller No Component No Component 1 ON OFF button 20 Air flow direction icon 2 Operation lamp 21 Not available 3 Operation mode icon 22 Fan speed icon 4 Ventilation mode icon 23 Defrost hotstart mode icon 5 Ventilation icon 24 Air filter cleaning time icon 6 Air cleaning icon 25 Element cleaning time icon 7 Leave home icon 26 Ventilation mode button 8 External control icon 27 Ventilation amount button
42. accordance with Removal of Front Grille 1 Disconnect the air swing motor connector in the electrical box 2 Remove the screw which fixes the air swing motor S3 Pull the air swing link assembly to the left strongly to dismantle Swing link 5 120 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 15 8 Drain Hose Piping to the Left Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front grille in Wi The drain pan and bottom frame are designed as an integral type accordance with Removal of Front Grille 1 Pull out the drain hose attached on the rear right of the unit 2 Pull out the drain plug and drain socket attached on the rear left of the unit Drain socket e e x Drain plug j o yo A E insert the drain hose to the 3 Piping GFDrainiplaserat hose plug securely as far as it Left Side a will go j W b E i 1 x o En CIA ae Drain hose 4 Insert the drain plug and t m Insert the drain plug and drain socket into the right _ socket securely as far as it will side of the unit with go hexagonal pin wrench C V Hexagon wrench Part 5 Disassembly and Maintenance 5 121 Disassembly and Maintenance ESIE05 04 1 1
43. 5 66 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 4 Remove the heat exchanger 2677 2 Installing the heat exchanger Groove of ceiling polystyrene foam 1 Insert the heat exchanger in the groove of ceiling polystyrene foam properly and bring the tube plate section of heat exchanger into intimate contact with the polystyrene partition plate correctly Polystyrene partition plate for heat exchanger tube plate 2 Insert the claw section of pipe fixing plate into the contracted part of the external plate securely lt 90 Bring the heat exchanger Claw section S2679 tube plate section into intimate contact with polystyrene partition plate without clearance Part 5 Disassembly and Maintenance 5 67 Disassembly and Maintenance ESIE05 04 Points Step Procedure 3 Install the heat exchanger mounting plate WB Set the lead wire with yellow tape for heating upper side while that with no tape for Then cover the header by anti sweat tube LL 3 Heat exchanger liquid lower side mounting plate WMP 2 S2681 4 Insert two thermistors n Anti sweat tube S2682 5 Reinstall the lead wire of Heat resistance tie wrap thermistor and anti sweat Parts No 1278921 tube on the original Drg No 45A90202 1 position by u
44. 9 Change over under centralised control icon 28 Inspection test operation button 10 Day of the week indicator 29 Programming button 11 Clock display 30 Schedule timer button 12 Maximum set temperature 31 Time adjust button 13 Minimum set temperature 32 Temperature adjust buttons 14 Schedule timer icon 33 Operation change button 15 Action icons 34 Setpoint limit button 16 Off icon 35 Fan speed button 17 Inspection required 36 Air flow direction adjust button 18 Settemperature display 37 Air filter cleaning time icon reset 19 Setting 4 10 Part 4 Commissioning and Test Run ESIE05 04 Field Settings Setting To set the field settings you have to change m Mode No m First code No m Second code No To change the field settings proceed as follows Step Action 1 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mode Press the TEMPERATURE CONTROL button until the desired Mode No appears Ifthe indoor unit is under group control all settings for all the indoor units are set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step Wi l you want to set the indoor units of one group individually or if you want to read out the last settings use the codes 20 to 25 which are displayed in brackets Press the TIMER SELECTION button to select the I
45. Buisn jo ases ul z ju uonons eui episui Bursnoy ue jo ulonog ayejd eureN sun jo uoneoo SALON Burdid ya 103 DIdh uongoeuuoo edid ureiq epis 100 4 epelsqo unbe 103 aow JO aJou JO epis 1001 ay W014 uoelr Wu oim gn yoq Buibuey eoeds peunbeu UN Part 1 System Outline 1 24 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component 1 Air outlet 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Back side drain pipe connection left 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Position of the hole in the wall for piping straight trough the wall 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System Outline 1 25 ESIE05 04 The illustration below shows the outlook and the dimensions of the unit mm FHQ60 71B General Outline 1 13 Outlook and dimensions 1e19p 104 19 0JUO09 e1ouje1 ssejeJIw jo BuiweJp y 01 Jajay Jan
46. Check fan motor Refer error code A6 gt Normal Fog is generated due to defrosting operation 81996 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 3 8 Equipment produces loud noise or shakes Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause m Excess charge of refrigerant Wi Air intrudes into refrigerant system m Flushing noise due to refrigerant shortage Sound of shoo Troubleshooting Does the noise generate with vibration of whole ceilings and alls NO Does the noise generate with vibration of unit mounting section Is the piping secured Power supply side Does the fan contact with other parts Does the pipe contact with the noise flushing sound from pressure reducing valve or capillary tube YES Installation work side YES gt Correction of installation Reinforcement for ceilings or walls Insert shock absorber in NO NY Continuous Slight noise of shoo during cooling or defrosting mounting section or strengthen the mounting section YES Normal The sound is flushing noise of gas refrigerant inside air conditioning unit YES
47. Drain pump 33 Thermistor liquid 26 Float switch 35 Thermistor fixing blade 27 Drain hose assy 36 Metal clamp 28 Vibration absorber 37 Drain hose 29 Plain washer 38 Insulation for joint gas 30 Fitting bolt drain pump 39 Insulation for joint liquid Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 8 FDQ125 200 250B Exploded view The illustration below shows the exploded view x ga J 8 amp ae JU 2 o 22 ss aa 33 223 223 23 2 ze xx xx MM mx mum XM ix x 3 ik gf gg 35 33 EEN SA Si a i 4 24 224 A 5 16 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component 1 Top plate assy 6 22 Thermistor 2 Fan assy fan mounting plate 6 23 Tie wrap with clip 3 Side plate right 6 24 PCB assy 4 Side plate left 6 25 Power supply transformer 5 Service cover assy 6 26 Earth wire 6 Switch box assy 6 27 Insulation switch box 6 1 Switch box fixing plate 6 28 Insulation switch box 6 3 Terminal fixing plate 6 29 Insulation switch box 6 4 Magnetic contacor 7 Hook 6 6 Switch box body 8 Filter cover 6 7 Option fixing plate left 9 Fixture heat exchanger right 6 8 Option fixing plate right 10 Fixture heat exchanger left 6 9 Wire harness 11 By pass sealing plate 6 10 Wire harness 12 H
48. Emergency operations ii dai ads di o eat dales 2 5 Error codes Indoor units ree do e i 3 31 System malf nctions i se eek ey ee ee ee ae Ted a e ee ee 3 45 Evaluation Abnormal higli pressure 22 n esha tie qeu ed x O duro ape Spek ebd 3 58 Abnormal low pressure si cs 05 do nti pepe redeat debe e Ma RUE de ced 3 59 Exploded views Indoor units soii Shae cae ERIGG RAI LAT RII oye Pace hath A ad 5 3 F Factory settings Ind or Units ee or a lt EUR RO dE RET EE Tat Rat E Ur RS 4 14 Fariand flap operations 2 xs dun tien bso ro pt yn cvm e ned cete TE nr un olle 2 22 Fan Bearno ree oO a VE merde hie d land Dea C qa md 5 89 Fan Motor iaa ee b eine Mo AA Quee bane A Rt 5 55 5 86 5 100 5 119 5 129 Fan Rotor aaa da o iaa did rig wer 5 55 5 86 5 119 5 133 FAQ100B Removal of Air Filler tits LA A A oan S ie ere n 5 123 Removal of Drain Pam osos rem REY T RERO a ERREUR ere D Yd aor d 5 130 Removal of Electrical Parts BOX oooooooocococo es 5 125 Removal of Swing Louvre Unit 0 0 00 le 5 127 FAQ100BUV1B Removal of Fam Moton r toca ERR ead sea EO DER afe ean RR 5 129 Removal of Fan Rotors onc iru hh Rh RR HO eaa ds Y 5 133 Removal of Heat Exchanger o coccoccooccoccccccoc e 5 132 Removal ot PG BOard s uua s da m Sa eared Eso at RICO ei ra A A MS 5 126 Removal of Slide Panel Operation Display Cover and Front Grille 5 124 FAQ71B Drain Hose Pip
49. Fe System Push INSPECTION TEST button O AE Test A 4 20 Part 4 Commissioning and Test Run ESIE05 04 Field Settings Possible system The table below contains the possible system settings which are displayed on the remote controller if settings the TEST button is pushed twice shortly Size Type Software Settings Display Settings Display 35 35 FCQ FJ 45 45 FHQ HJ 60 63 FAQ AJ 71 71 FFQ GJ 100 100 FBQ JJ 125 125 FUQ 3J 200 200 FDQ FDEQ UJ 250 250 Changing the mode To enter the monitoring level and to change the maintenance mode settings proceed as follows settings Step Action 1 Hold down the INSPECTION TEST button for at least 4 s to enter the field setting mode 2 Hold down the INSPECTION TEST button for at least 4 s to enter the maintenance mode 3 Press the TEMPERATURE CONTROL buttons as many times as needed to select the mode No you want 4 Press the TIMER SELECTION button as many times as needed to select the unit No you want 5 Carry out the settings for modes 44 and 45 See Maintenance Mode Settings further in this section 6 Press the CONFIRMATION button to confirm the settings of modes 44 and 45 7 Press the INSPECTION TEST button to return to the normal operating mode Part 4 Commissioning and Test Run 4 21 Field Settings
50. Hooks 51308 Part 5 Disassembly and Maintenance 5 125 Disassembly and Maintenance ESIE05 04 1 16 4 Removal of PC Board Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the outer panels according to the procedure for Removal of Electrical Parts Box 1 Disconnect the front side wiring connector connected to the PC board 2 Disconnect the PC board from the tabs by pushing it inward Draw the PC board out partly and disconnect the remaining connectors 3 Completely remove the PC board Fan motor connector yellow 81309 Tabs 51310 51311 LED lamp Mi Green i or d 51912 The tape holding the electrical parts box and PC board is for transport and is unnecessary when reinstalling 5 126 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 16 5 Removal of Swing Louvre Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the electrical parts box according to Removal of Electrical Parts Box 1 Remove the horizontal blade 2 Remove the swing Louvre unit 3 screws DET 00 Ha CU l x p c m
51. N A N A N A FFQ25 35 50 60B gt 130 C 5 C lt 83 C 20 C N A FBQ35 50 60 71 100 125B N A N A 2152 2 C FDQ125 200 250B N A N A gt 160 C FHQ35 50 60 71 100 125B gt 130 C 5 C lt 83 C 20 C N A FUQ71 100 125B gt 130 C 5 C lt 83 C 20 C N A FAQ71 100B 2130 C 5 C lt 83 C 20 C N A FDEQ71 100 125B N A N A 2152 2 C 3 30 Part 3 Troubleshooting ESIE05 04 Error Codes 2 Error Codes 2 1 What Is in This Chapter Introduction In the first stage of the troubleshooting sequence it is important to correctly interpret the error code on the remote controller display The error code helps you to find the cause of the problem Shutdown For some errors the system only shuts down when the error occurs several times This means that you have to wait until the system shuts down to be able to see the flashing LED on the front panel and the error code on the remote controller Overview This chapter contains the following topics Topic See page 2 2 Malfunctioning Indoor PCB A1 3 32 2 3 Malfunction of Drain Water Level System A3 3 33 2 4 Malfunctioning Drain System AF 3 35 2 5 Indoor Unit Fan Motor Lock A6 3 36 2 6 Malfunctioning Capacity Setting AJ 3 38 2 7 Thermistor Abnormality C4 C5 C9 3 40 2 8 Malfunctioning Remote Controller Air Thermistor CJ 3 42 2 9 Malfunctioning of Moistur
52. Pan 5 58 Removal of Drain Pump 5 59 Installation of Drain Pump 5 61 Replacement of Heat Exchanger Thermistor 5 64 Replacement of Heat Exchanger 5 66 Replacement of PC Board 5 72 Replacement of Receiver Section of Wireless Remote Controller 5 76 5 42 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 1 Removal of Suction Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the suction grille 1 Toremove the suction grille slide the two tabs simultaneously and pull the suction grille down slowly W The grille can be installed freely in four directions m When closing push up the grille slowly 2 With the suction grille open at an angle of 45 lift it up to remove it Part 5 Disassembly and Maintenance 5 43 Disassembly and Maintenance ESIE05 04 1 12 2 Removal of Air Filter Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the air filter 1 Open the suction grille See Removal of Suction Grille Disengage the hooks of the air filter by pulling the filter downward at an angle and remove the filter S2632 S2633 5 44 Part 5 Disassembly and Mainten
53. RZQ Functions of the thermistors Ther Location NG mode Function mistor symbol 1 Indoor air R1T Cooling m Thermostat control return NW PMV control W General frequency control Heating Thermostat control B PMV control W General frequency control 2 Indoor R2T Cooling m Compressor frequency control target Te heat m Inverter current protection control exchanger m Freeze up control Heating MW Compressor frequency control target Tc Wi Inverter current protection control Wi Hot start control m Peak cut off 3 Indoor R3T Heating i Peak cut off heat exchanger 2 4 Part 2 Functional Description ESIE05 04 Functional concept 1 3 Forced Operating Mode Emergency Operation Purpose Starting conditions Ending conditions Emergency operation How to set Emergency Operation The table below describes the purpose of the forced operating mode If Then B R C is defective W Indoor PCB is defective m Outdoor PCB is defective Forced operating mode can be used to go to cooling or heat ing In forced operating mode the compressor is forced to operate until the defective indoor or outdoor PCB is back online You can operate the system manually by changing the emergency switch on the indoor and outdoor PCB from normal to emergency When the system is operating in emergency it can not control the room tempe
54. SOME RE br sot alta 1 55 POB layouta eo seit A ea de bas Ire pa E at 1 107 Switchiboxil amp yoUt titi a a stab e 1 95 Wired remote controller ooooccoccccccoccooconn RII III Ilt 4 10 Wireless remote controller es niin sadiri y ar IRR I TEA 4 12 Wiring diagrams indoor Units pi 5 epo eee Ye eae eed Sok ed ENA a ge 1 61 Index i ESIE05 04 Control Condensation avoidance 00 cece ett 2 19 2 20 2 21 Drafttavoidance control Tie ou see eaten te hee SB A ed Ade wee AUR UR 2 20 Dtaft avoidance CONTO Li a ge ea SA RR DER wkd Lae eee ee eR 2 21 Drain PUMP sos atado itai e HEU ad RU e Me dod dab s haa Ded 2 17 Indoor UNIT Era ota t SIT me arse aute t ard arto aM e ace en Bad aes 2 23 PMV oum Rep EET ID AY cdd Ea erii er que Me edm E EE tition 2 15 Thermostat as cet en eoe a ae PRSE NEN QU BOE a gt ast ren oe Saee a8 2 16 Correlation of Air Conditioner s Operation Status and Pressure Running Current 4 26 D Decoration Panels caa iia serer creto eb e SA qub AA tb dau ad 5 26 5 46 Diameters pipe connections 000 ias o A Qu ad ed det 1 55 Dimensions A URS E ce eig Yun 1 3 Dratt avoid rce conttrol2 ncn er rete e Rode a epe E mie Unc ow eee dg 2 21 Drain Paba exu eA vende a Aa oto aen y a RN 5 58 5 91 5 102 5 130 Drain PUDE aa ai ibid 5 59 5 61 5 105 E EEPROM aid ado Min a a ines SES YU pilo hte AER a go 3 32 Electrical specifications e sssrds torana a A A A Ede 1 45
55. X5A board Lead wire of drain pump X25A Lead wire of liquid pipe thermistor X18A Lead wire of swing motor X86A Refer to the item 3 below Lead wire of thermistor for heating X17A Cut the tie wrap fixing the Lead wire of float switch X15A low tension cable blue to the switch box Air temperature thermistor Cut this tie wrap To the swing flap motor Connector for fan motor ch Outdoor unit EE connection Low voltage cable of transformer Cut this tie wrap High voltage cable of transformer Lead wire of Tie wrap Outdoor unit remote controller connection wire and earth wire S2687 3 Press two claws supporting the PC board to disengage one side of the PCB then tilt the board and disconnect the lead wire for swing flap X36A S2688 5 72 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Installing the PC board and re wiring inside the switch box Lead wire of swing motor X36A High roltage cable of transformer X11A 1 Engage the PC board Low roltage cable of transformer X10A with two claws shown in Outdoor unit connection wire X27A the right figure push up Wire of remote controller X5A the board until a click sound is generated then connect the lead wires shown right 2 Next connect the lead wires in the route shown
56. after the EV capil lary Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Is the check valve clogged Heat pump model only Check if there is a temperature difference before and after check valve gt If YES the check valve is caught Is the LPS normal Check continuity using a tester Is the indoor unit installed under such conditions that short circuit easily occurs Visual inspection Is the refrigerant gas short Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Check items Possible causes Judgment Does the outdoor unit fan run normally Visual inspection Is the outdoor unit heat exchanger clogged Visual inspection Is the outdoor unit installed under such condi tions that short circuit easily occurs Visual inspection Is there clogging before or after the EV capil lary Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Is the check valve clogged Check if there is a temperature difference before and after check valve gt If YES the check valve is caught Is the LPS normal Check continuity using a tester Is the refrigerant gas short Conduct refrigerant collection and vacuum dry i
57. assy 4 9 Cable holder 16 5 Transformer 4 10 Bearing board 16 6 Terminal board 4 11 Vibro proof rubber assy 16 7 Terminal strip 4 12 Bearing fixing plate 16 8 Tie wrap with clip I2140 4 18 Shaft assy 16 9 Wire harness X2M X27A 4 14 Cuppling 16 10 Wire harness X1M X5A 4 15 Hexagon socket screw 16 11 Blind rubber butching 5 Right side plate assy 16 12 Thermistor air 6 Left side plate assy 16 13 Thermistor liquid 7 Heat exchanger assy 17 7 1 Distributor with filter 18 7 2 Single union joint 3 8 19 7 3 Flare nut 3 8 20 7 4 Single union joint 5 8 Part 5 Disassembly and Maintenance 5 21 Disassembly and Maintenance ESIE05 04 1 11 FCQ71 100 125 140D Overview This part contains the following topics Topic See page Removal of Suction Grille 5 23 Removal of Air Filter 5 24 Removal of Decoration Panel 5 26 Removal of Horizontal Blade 5 28 Removal of Swing Motor 5 29 Removal of Switch Box 5 31 Removal of PC Board 5 33 Removal of Humidity Sensor and Air Temperature Thermistor 5 35 Removal of Fan Motor 5 36 Removal of Drain Pan Drain Pump Float Switch 5 38 Removal of Heat Exchanger Temperature Thermistor 5 41 5 22 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 1 Removal of Suction Grille Warning Be sure to wait 10 minutes or more
58. capacity is set in the PCB s memory IC A capacity setting adaptor that matches the capacity of the unit is required in the following case In case the indoor PCB installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PCB To set the correct capacity for the PCB you have to connect a capacity setting adaptor with the correct capacity setting to the PCB The capacity setting for the PCB will become the capacity setting of the adaptor because the capacity setting adaptor has priority 3 38 Part 3 Troubleshooting ESIE05 04 Error Codes Troubleshooting Caution Check if the capacity setting adapter is plugged into X23A of the indoor PCB Is the capacity setting adapter plugged into X23A of the indoor unit PCB No Plug a capacitor setting adapter that matches the capacity of the unit into X23A Switch the power supply off and back on again Is AJ displayed on the remote controller Replace indoor unit PCB No The malfunction was caused by a missing capacity resistor Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 39 Error Codes ESIE05 04 2 7 Thermistor Abnormality C C5 C9 Error code LED indicati
59. correctly To outdoor unit next page Wire correctly Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 46 Part 3 Troubleshooting ESIE05 04 Error Codes System Malfunctions Troubleshooting 2 Continued from previous page Is HAP flashing NO ON or OFF v YES Turn the power supply Check of off once and then back on outdoor unit microcomputer normal HAP YES Resets normally Could be outside cause noise Is HAP flashing NO YES Failure of outdoor unit PCB NO OFF Turn off the power supply disconnect the NO 2 indoor outdoor transmission wire and turn power supply back on YES Is HAP flashing Failure of indoor unit PCB NO Failure of outdoor unit PCB or malfunction of power supply system LA di YES U4 displays gt Indoor PCB malfunction constantly NO Resets normally Could be outside cause noise Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 47 Error Codes System Malfunctions ESIE05 04 3 3 Malfunction of Transmission between Indoor Unit and Remote Controller 55 Error code Error generation The error is genera
60. described troubleshooting check the transmission wiring Troubleshoot by turning off the power supply for a minimum of 5 seconds turning it back on and then rechecking the LED display Part 3 Troubleshooting 3 27 Troubleshooting ESIE05 04 1 9 Explanation for Symbols 1 9 1 Troubleshooting by Remote Controller Display LED Display O O High probability of malfunction Possibility of malfunction Low probability of malfunction No possibility of malfunction do not replace X LED blinks Xt LED on e LED off No connection with troubleshooting Indoor Malfunctions Indoor Indoor Unit Remote Location of Malfunction Contents of Malfunction Details of Unit Mal LED Display Controller Malfunction functions Note 2 Display Reference Page H1P H2P Other PC Board EDU Out Indoor Remote door Unit Controller Unit E 3k Note 1 Normal gt to outdoor unit xk o Al O Malfunction indoor unit PC 3 32 m e board For troubleshoot m ing by LED refer to p 27 m d E AS Malfunction of drain water 3 33 level system d E31 RF Malfunction of drain sys 3 35 tem d E AS O Indoor unit fan motor lock 3 36 E xk Ad Malfunction of capacity 3 38 setting d 3k CH O Malfunctio
61. discharge system Clogged drain pump Faulty float switch Is drain up NO Replace indoor unit PCB Check to see if drain up height and horizontal pipe length exceed specifications kit installed Is drain pump NO Check jumper connector X15A normal of circulated drain NO water excessive after Check drain pump and drain pump stops operation YES Does drain water flow in reverse NO Check water drainage system Check to see if drain up height and horizontal pipe length exceed specifications during non operation YES Faulty trap in water drainage system Replace indoor unit PCB Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 35 Error Codes ESIE05 04 2 5 Indoor Unit Fan Motor Lock R5 Error code LED indications Error generation Causes The table below shows the LED indications Operation HAP green HBP green Normal e Malfunctioning x 3k The error is generated when the fan rotations are not detected while the output voltage to the fan is at its maximum The possible causes are Wi Malfunctioning indoor unit fan motor Wi Broken or disconnected wire W Malfunctioning contact Wi Malfunctioning indoor unit PCB
62. float switch and drain pump Symbols show as follows RED Red BLK Black WHT White YLW Yellow PRP Purple GRY Gray BLU Blue af o N 1 80 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wireless remote controller Receiver display unit C1 Capacitor M1F A2P Printed circuit board HAP Light emitting diode Service monitor green A3P Printed circuit board KAR Magnetic relay M1S BS1 Push button ON OFF KPR Magnetic relay M1P H1P Light emitting diode on red M1F Motor Indoor fan H2P Light emitting diode timer green M1S Motor Swing flap H3P Light emitting diode filter sign red Q1M Thermo switch M1F embedded H4P Light emitting diode defrost orange R1T Thermistor Air SS1 Selector switch Main Sub R2T Thermistor Coil SS2 Selector switch Wireless address set S1Q Limit switch Swing flap TIR Transformer 220 240V 22 V Connector for optional parts V1TR Phase control circuit X15A Connector Float switch X1M Terminal block X25A Connector Drain pump X2M Terminal block X33A Connector Adaptor for wiring RC Signal receiver circuit X35A Connector Group control adaptor TC Signal transmission circuit X40A Connector Remote ON OFF Forced OFF X60A X61A Connector Interface adaptor for Sky Air series Wired remote cont roller R1T Thermistor Air SS1
63. for optional PCB KRP4 X36A M1S Swing flap motor X40A z Not used X57A X54A X55A on A1P PCB interconnection wiring X58A X56A on A1P PCB interconnection wiring Part 1 System Outline 1 111 PCB Layout ESIE05 04 6 5 FFQ25 35 50 60B PCB The illustration below shows the PCB connectors X27A X11A X20A X10A X33A X19A X60A X61A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X15A S1L Float switch X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M1P Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A M1S Swing flap motor X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 112 Part 1 System Outline ESIE05 04 PCB Layout 6 6 FBQ35 50 60 71B amp FDEQ71B PCB The illustration below shows the PCB conne
64. function is applicable for the FHQ units only Method The condensation avoidance control will function in the following operating modes W Cooling automatic W Dry keep Method To avoid condensation on the swing flap the condensation avoidance control is activated Stage Description 1 The fan operates in cooling mode with the blade in downward position set on the remote control ay 2 After 30 min the blade moves to a horizontal position QU 3 After 1 h operation in horizontal position the blade moves back to its downward position for 30 min f JO 4 The unit operation is reset by W Changing the operating mode into heating or fan W Changing the air flow direction m Turning the unit operation OFF and ON Part 2 Functional Description 2 19 Functional concept ESIE05 04 1 15 Draft Avoidance Control 1 Purpose Avoid draft for the custom er by delaying transfer of the flap to the PoO horizontal position for a certain amount of time when defrosting and in heating thermostat OFF Heating thermostat The time chart below illustrates the draft avoidance control 1 in heating thermostat OFF OFF When the flap starts to move there can be a draft The fan speed decreases to LL 1 speed but it takes some time because of Setting Td NEM Fan its inertia LL i e 3352 ble iS Setting Flap Pod Po0 ON T
65. fuse 136 C T1R embedded BS2 Timer mode start stop button HAP Light emitting diode Service monitor green BS3 BS8 Programming time button M1F Motor Fan BS4 BS9 Temperature setting button R1T Thermistor Air BS6 Operation mode selector button R2T Thermistor Coil BS7 Timer ON OFF button RyF1 4 Magnetic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation button SS1 Selector switch Emergency BS14 Filter sign reset button TIR Power supply transformer 220 240V 21 8V H1P Light emitting diode Service monitor red X1M Terminal strip LCD Liquid cristal display X2M Terminal strip SS1 Selector switch Main sub RC Signal receiver circuit TC Signal transmission circuit Connector for optional parts X60A X61A Connector Interface adaptor for Sky Air US Adaptor for wiring series RyC RyF Magnetic relay X33A Connector Adaptor for wiring X35A Connector Group control adaptor X40A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 93 Wiring Diagrams ESIE05 04 1 94 Part 1 System Outline ESIE05 04 Switch Box Layout 5 Switch Box Layout 5 1 What Is in This Chapter Introduction This chapter shows the switch box components Indoor units This chapter contains the following switch box layouts PCB layout See page 5 2 FCQ35 50 60 71B 1 96 5 3 FCQ100 125B 1 97 5 4 FCQ71 100 125 140D 1 98
66. illustration below shows the PCB connectors X61A X60A X33A X11A X27A X10A X5A X24A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X14A S1Q Limit switch Swing flap X15A Connector for float switch When installing the drain pump remove the jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A Drain pump option X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 116 Part 1 System Outline ESIE05 04 PCB Layout 6 10 PCB Connectors FHQ71 100 125B X40A The illustration below shows the PCB connectors X61A X60A X35A X33A X11A X27A X10A X5A X24A The table below describes the P
67. installed under such conditions that short circuit easily occurs Visual inspection Is there clogging before or after the EV capil lary Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Is the check valve clogged Check if there is a temperature difference before and after check valve gt If YES the check valve is caught Is the HPS normal Check continuity using a tester Is the piping length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant 3 58 Part 3 Troubleshooting ESIE05 04 Additional Checks for Troubleshooting 4 7 Evaluation of Abnormal Low Pressure Abnormally low pressure level is mostly caused by the evaporator side The following contents are provided based on field checking of service engineer Further the number is listed in the order of degree of influence In cooling operation In heating operation Check items Possible causes Judgment Does the outdoor unit fan run normally Visual inspection Is the indoor unit filter clogged Visual inspection Is there clogging before or
68. it to the unit in accordance with the attached installation manual 3 X24A is connected when the wireless remote controller kit is being used 4 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 5 Ground the shield of the remote controller cord to the indoor unit in case of using shield wire 6 Symbols show as follows BLK Black WHT White YLW Yellow PRP Purple GRY Gray BLU Blue Connector Note5 Wired Remote Controller Control box 1 68 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller C1 Capacitor M1F R1T Thermistor Air F1U Fuse F5A 250V SS1 Selector switch Main Sub HAP Light emitting diode Service monitor green KPR Magnetic relay M1P Wireless remote controller Receiver display unit M1F Motor Indoor fan A3P Printed circuit board M1P Motor Drain pump A4P Printed circuit board M1S Motor Swing flap BS1 Push button ON OFF Q1M Thermo switch M1F embedded H1P Light emitting diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil 1 H3P Light emitting diode filter sign red R3T Thermistor Coil 2 H4P Light emitting diode defrost orange S1L Float switch SS1 Selector switch Main Sub TIR Transformer
69. min 10 0 m min 12 0 m min 15 0 m9 min Air flow rate cooling low 6 5 m3 min 6 5 m3 min 8 0 m min 10 0 m min Air flow rate heating high 9 0 m min 10 0 m3 min 15 0 m8 min Air flow rate heating low 6 5 m min 6 5 m min 10 0 m min Qty x model rotor 1x QTS32C15M Qty x model motor 1 x D16P52A23 Fan speed 2 steps Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Inline fuse 250V 5A Fan motor thermal protector pec E Air filter Removable washable mildew proof long life in decoration panel Temperature control Microcomputer control Weight Unit 17 5 kg Electrical The table below contains the electrical specifications specifications Specification FFQ25B7V1B FFQ35B7V1B FFQ50B7V1B FFQ60B7V1B Unit Phase de Voltage 230V Frequency 50 Hz Power consumption 73W 84 W 97 W 120 W Nominal running current 0 37 A 0 40 A 0 49 A 0 61 A Fan motor FLA Full Load Amps 0 60 A 0 70 A No of motors x output 1x55W 1 48 Part 1 System Outline ESIE05 04 Specifications 2 5 Technical specifications FBQ B The table below contains the technical specifications Specification FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B Heat exchanger Rows x stages x fin pitch 3x14 x 1 75 mm Face area 0 132 m 0 221 m 0 338 m Tube type HI XA diam 7 Hi XSS diam 7 Fin type Rhombus Fan Air f
70. mm Face area 0 182 m 0 233 m 0 293 m 0 341 m Tube type N Hix Fin type Multi louver Fan Air flow rate cooling high 13 0 m min 17 0 m3 min 17 0 m min 24 0 m min 30 0 m min Air flow rate cooling low 10 0 m min 13 0 m min 14 0 m min 20 0 m min 25 0 m min Air flow rate heating high 13 0 m min 16 0 m min 17 0 m min 24 0 m min 30 0 m min Air flow rate heating low 10 0 m min 13 0 m min 14 0 m min 20 0 m min 25 0 m min Qty x model rotor 2 x QD12K1AH 3x QD12K1AH 3 x QD12K2AH 1x QD12K1BH 1x QD12K1BH 1 x QD12K2BH Qty x model motor D09P62A20 D10P130H23 Fan speed 2 steps Fan type Sirocco Refrigerant Type R410A Safety and functional devices Fuse 250V 5A Fan motor thermal protector Eu ples s jns Air filter Removable washable Temperature control Microcomputer control Weight Unit 24 kg 25 kg 27 kg 32 kg 35 kg Electrical The table below contains the electrical specifications specifications Specification FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B Phase Voltage 230V Frequency 50Hz Power consumption 115W 117 W 135 W 144W Nominal running current Fan motor FLA Full load amps 0 7 A No of motors x output 1x62 W 1x130 W Part 1 System Outline 1 51 Specifications ESIE05 04 2 8 FUQ B
71. out by service monitor LED green Blinks when normal Xt LED on LED off 3X LED blinks No connection with troubleshooting Microcomputer Transmission Normal Monitor Normal Monitor Contents Processing HAP LED A HBP LED B E 7 Indoor unit normal Outdoor unit trouble shooting o Incorrect transmission wiring between indoor and out door unit e If outdoor unit s LED A is off proceed outdoor unit s trouble shooting If outdoor unit s LED A blinks failure of wiring or indoor or outdoor unit P C board ass y Note 4 xt Failure of indoor unit PC board ass y Note 5 Malfunction of power supply or failure of PC board ass y or broken transmission wire between indoor and outdoor unit Note 5 When the INSPECTION TEST button of remote controller is pushed INSPECTION display blinks entering INSPECTION mode In the INSPECTION mode when the ON OFF button is pushed and held for 5 seconds or more the aforementioned malfunctioning history display is off In this case after the malfunction code blinks 2 times the code display turns to 00 Normal and the unit No turns to 0 The INSPECTION mode automatically switches to the normal mode set temperature display Operation halts due to malfunction depending on the model or condition If LED B is off the transmission wiring between indoor and outdoor unit may be incorrect or disconnected Before performing the previously
72. piping 2 Remove the 2 swing 3 Disconnect the swing motor connector motor mounting screws Decoration cover in the corner 52619 T fa k f A ERE AE EHE y ar My Swing motor 52621 m The connector section is protected with the use of aluminum tape Remove the aluminum tape Part 5 Disassembly and Maintenance 5 29 Disassembly and Maintenance ESIE05 04 Step Procedure Points W Caution during swing motor installation After installing the swing motor be sure to turn off the power supply for reset for initializing the vane positions Be sure to engage the gears on the motor side and panel side Improper gear engagement results in faulty swing operation and abnormal noise Motor side gear Panel side gear pod Motor side gear Panel side gear A C 52623 m Protect the connector section with using the aluminum tape 82622 5 30 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 6 Removal of Switch Box Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the 2 mounting screws on the switch box cover Remove the 1 mounting screw on the terminal block cover Disconnect each connector
73. possible positions Upper part of the remote controller Lower part of the remote controller 2 Turn the MAIN SUB changeover switch on the PCB to S The switch is set to lb MAIN factory setting M L Set the switch to SUB 4 18 Part 4 Commissioning and Test Run ESIE05 04 Field Settings 2 9 Setting the Centralized Group No When If you want to carry out centralized control with a central remote controller and a unified ON OFF controller you have to set the group No for each group with the remote controller Wired remote The illustration below shows the wired remote controller controller Mode N Unit N o UNIT No an Li First Code N croup j Second Code N SETTING Field set mode Imm wi Qe 3 ies pesi amp o OX un ex c Aa pros E 1 x 7 M qe 6 5 2 Setting To set the Centralized group No proceed as follows Step Action 1 Switch ON the power supply of the central remote controller the unified ON OFF control ler and the indoor unit s 2 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mode 3 Press the TEMPERATURE CONTROL button until Mode No G3 appears 4 Press the INSPECTION TEST button t
74. screw i 6 A TR Terminal WHT White ER 13 YLW Yellow Notes 2 When using the central remote controller see manual for connection 3 X24A is connected when the wireless remote controller kit is used 4 The remote controller model varies according to the combination System See technical data and catalogs before connecting 1 62 Part 1 System Outline ESIE05 04 Wiring Diagrams 33H Float switch Wired remote controller A1P Printed circuit board SS1 Selector switch Main Sub C1R Capacitor M2F F1U Fuse 5A 250V Receiver display unit attached to wireless remote controller HAP Light emitting diode Service monitor green A2P A3P Printed circuit board M1A Motor Swing flap BS ON OFF button M2F Motor Indoor fan H1P Light emitting diode on red M3P Motor Drain pump H2P Light emitting diode timer green Q1F Thermo switch M2F embedded H3P Light emitting diode filter sign red R1T Thermistor Air H4P Light emitting diode defrost orange R2T Thermistor Liquid SS1 Selector switch Main Sub R3T Thermistor Coil SS2 Selector switch Wireless address set RyP Magnetic relay M3P SS1 Selector switch Emergency Adaptor for wiring TIR Transformer 220V 240V 22 V RyC RyF Magnetic relay X1M Terminal strip Power X2M Terminal strip Control Connector for optional parts PC Phase control circuit X60A X61A Connector Interface adapto
75. straight trough the wall 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System Outline 1 27 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm FHQ100B Outlook and dimensions 1 14 Juo y ay WO MAI em eui ubnoar 1uDregzs Duidid 10 rem y U ejoy y JO UONISOd nA eoeds peunbeu 1uO y y WO welA yoeg Duidid ur o Dune 10 3910y WIS UONISOJ e3ep 104 1a 01JuO9 e10uje1 ssejeJIM jo DBuiweJp y 01 JOJOY JAAD euBis e aq ym uonisod SIU 19 011uO9 ajowa ssajaJim Duisn jo aseo U z 16 uonons eui episui Bursnoy ue jo ulonog a ejd eureN sun jo uoneoo SALON 744 uonoeuuoo edid ureiq epis 1004 ayejd eureu purig ejoeisqo IP P eoeds S e1ou1 JO 1OW JO DOSZ P S 100 Y W014 uone X o 2 o a 7 9 S o e e10u Jo ME mu yoq BuibueH eoeds peunbeu LS uonisod BuiBuen mi Ur TuiSu 303 Part 1 System Outline 1 28 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component 1 Air outlet 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pi
76. switch 1 Reverse the drain pump mounting plate which was removed according to the procedure described on the preceding page 2 Remove the 1 screw displace the float switch sideward then dismount the float Switch B When removing the float Switch cut the following clamp materials Clamp material securing the drain pump lead wire to the drain pump mounting plate Clamp material bundling the drain pump lead wire and float switch lead wire Part 5 Disassembly and Maintenance 5 39 Disassembly and Maintenance ESIE05 04 the drain pump or float switch in the original state firmly secure the aforementioned clamp materials screw type fixing to the drain pan with the use of mounting screws lead wire a Mounting plate Drain pump 75410 leadwire Provided clamp material i AZ Step Procedure Points Installation procedure of drain pump or float switch a 1 Install a spare drain ane Drain pump i arenen ore cemo muera pump or float switch on Eo foar swich AT the mounting plate then Provided mounting screw 4 a gp gt Float for drain pump d MT firmly secure the lead Switch Piovidedd zi ta wires using the provided ka Wie O ae malana clamp materials 3 st 4 for bundling for fixing screw pieces 3 7 e 4 y Fix the lead wires each 3 OA j __ other j
77. the 3 tabs to remove the humidity sensor T A 52639 Part 5 Disassembly and Maintenance 5 35 Disassembly and Maintenance ESIE05 04 1 11 8 Removal of Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the terminal block box cover according to the procedure for removing the switch box then disconnect the following connectors Transfer connector Wired remote controller e Swing motor e Humidity sensor Connector built in the switch box Connector used for power supply cables controller cable For heat pump For float switch 32634 1 Removing the bell mouth 1 Disconnect the 2 remote controller cables and 3 power supply cables 2 Disconnect the drain pump and float switch wiring from bell mouth 1 3 Remove the 5 mounting screws on the bell mouth 526351 1 At this time do not cut the clamp material attached to the drain pan near the switch box Loosen the mounting screw to remove the clamp material 5 36 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Removing the fan rotor 1 Remove the resin nut and fan rotor retainer to dismount the fan rotor Fan rotor r
78. the components of the exploded view No Component No Component 1 Top plate assy 31 Fan assy 2 Right plate assy 31 1 Fan top plate 3 Left plate assy 31 2 Fan housing bottom 4 Interchangeable plate 31 3 Fan housing top 5 Small bottom plate 31 4 Rotor assy 6 Large bottom plate 31 5 Fan motor 7 Air outlet flange 31 6 Fan motor stand 8 Center stay assy 31 7 Motor fixing plate assy 9 Air filter holding plate assy 31 8 Rotor assy 10 Stay for fan top panel assy 31 8 1 Hexagon socket screw 11 Fan side blind plate assy 31 9 Shaft assy 12 Cooler side blind plate assy 31 10 Coupling 13 Pipe setting plate assy 31 11 Vibro proof rubber assy 14 Swtich box cover assy 31 12 Bearing board 15 Drain pan setting plate 31 13 Bearing fixing plate 16 Drain socket cover assy 1 32 Switch box assy 17 Drain socket cover assy 2 32 1 Switch box body 18 Hanger bracket 32 2 Switch box fixing plate 19 Drain pan assy 32 3 Terminal fixing plate 19 1 Drain socket cap 32 4 Option fixing plate left 20 Heat exchanger assy 32 5 Option fixing plate right 20 1 Distributor with filter assy 32 6 PCB assy 20 2 Single union joint 32 7 Air thermistor 20 3 Single union joint 32 8 Power supply transformer 20 4 Flare nut 32 9 Fan motor capacitor 20 5 Flare nut 32 10 Terminal for remote controller 21 Air filter assy 32 11 Terminal for power supply 22 Service cover assy 32 12 Wire harness 23 Drain pump fixing plate 32 13 Wire harness 24 Service cover cap assy 32 14 Tie wrap with clip 25
79. topics Topic See page 4 2 Indoor Unit Checking the Fan Motor Hall IC 3 54 4 3 Indoor Unit Checking the Power Supply Wave Form 3 55 4 4 Checking the Thermistors 3 56 4 5 Resistance Conversion Table Ambient Coil Fin 3 57 4 6 Evaluation of Abnormal High Pressure 3 58 4 7 Evaluation of Abnormal Low Pressure 3 59 4 8 Checks 3 60 Part 3 Troubleshooting 3 53 Additional Checks for Troubleshooting ESIE05 04 4 2 Indoor Unit Checking the Fan Motor Hall IC Applicable units Units using phase cut controlled fan motor with feedback signal Checking To check the indoor unit fan motor hall IC proceed as follows Step Action 1 Make sure connector S7 on PCB 1 is properly connected 2 Make sure the power is ON and that there is no operation 3 Measure the voltage between pin 1 and 3 of S7 4 Turn the fan one rotation with your hand and measure the generated pulses 5 Proceed as follows If Then The measured voltage between pin 1 and 3 does Replace the PCB 1 not equal 5 V The generated pulses do not equal 3 pulses Replace the fan motor between pin 2 and 3 The measured voltage does not equal 5 V and Replace the PCB 1 the generated pulses do not equal 3 pulses between pin 2 and 3 3 54 Part 3 Troubleshooting ESIE05 04 Additional Checks for Troubleshooting 4 3 Indoor Unit Checking the Power Supply Wave Form
80. wiring diagram of the unit ired Remote Controller aU RU is BLK BLK Details of Wired Remote Controller WF EST Remote Sst a ON OFF Forced OFF ssiQmmao Qoam m E Switch box Notes 1 When using the central remote controller see manual for connection to the unit A 2 Be sure that the power supply is switched off before opening the switch box L TAP is not available for 250 Class Terminals for Operation Indicator 1 i i i c 9 w S o Q o i Compressor Operation Adaptor for wiring Terminal Field wiring Protective earth screw Connector Colors BLK Black BLU Blue RED Red WHT White YLW Yellow 1 76 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board BS4 Temperature setting button up A3P Printed circuit board BS9 Temperature setting button down C1R Capacitor Fan BS6 Operation mode selector button F1T Thermal fuse M1F embedded BS7 Timer ON OFF button HAP Light emitting diode Service monitor green BS12 Inspection test operation button K1F Magnetic contactor M1F BS14 Filter sign reset button M1F Motor Fan H1P Light emitting diode Service monitor red R1T Thermistor Air LCD Liquid cristal display R2T Thermistor Coil SS1 Selector switch Main sub RyF1 Magnetic relay Fan SS1 Selector switch Emergency Adaptor for w
81. 05 04 Disassembly and Maintenance 1 15 FAQ71B Overview This part contains the following topics Topic See page Removal of Air Filter and Front Panel 5 112 Removal of Front Grille 5 112 Removal of the horizontal blade and vertical blade 5 115 Removal of Electrical Box 5 117 Removal of Heat Exchanger 5 118 Removal of Fan Motor and Fan Rotor 5 119 Removal of Air Swing Motor 5 120 Drain Hose Piping to the Left 5 121 Part 5 Disassembly and Maintenance 5 111 Disassembly and Maintenance ESIE05 04 1 15 1 Removal of Air Filter and Front Panel Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Put your fingers on protrusions at left and right side of the unit to open the front panel 2 To remove the air filter push up the tab and pull down the filter Air Filter 5 4 Frant panel SP ILI IM 52739 E The air filter is free from the side of left or right Wi itis easy to install if inserting along the guide 5 112 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Disengage the holding section on upper right of the panel by pushing toward left then slide toward right to remove the front panel Front panel Part 5 Disasse
82. 1 2mm Face area 0 454 m 0 544 m Tube type Hi XSS Fin type Multi louver fin Fan Air flow rate cooling high 19 m3 min 30 m3 min Air flow rate cooling low 14 m3 min 21 m3 min 24 m min 25 m3 min Air flow rate heating high Air flow rate heating low Qty x model rotor 1x QTS46F15M 1x QTS46E17M Qty x model motor 1x 1x EHDS50B30DK EHDS10B120DK inverter inverter Fan speed 2 Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Air filter Resin net with mold resistant in decoration panel Temperature control Microcomputer control Weight Unit 24 kg 28 kg Electrical The table below contains the electrical specifications specifications Specification FCQ71DV3B FCQ100DV3B FCQ125DV3B FCQ140DV3B Unit Phase qe Voltage 230V Frequency 50 Hz Nominal running current Fan motor FLA Full Load Amps 0 30 A 0 70A No of motors x output 1x30 W 1x120 W Part 1 System Outline 1 47 Specifications ESIE05 04 2 4 FFQ B Technical The table below contains the technical specifications specifications Specification FFQ25B7V1B FFQ35B7V1B FFQ50B7V1B FFQ60B7V1B Heat exchanger Rows x stages x fin pitch 2x10x1 5 mm Face area 0 269 m Tube type HiXSS diam 7 Fin type Multi louver fin Fan Air flow rate cooling high 9 0 m
83. 1a99a euBis e aq IM uonisod SIU 49 01JuO9 ejouuei1 ssejoJiw Buisn jo aseo ul z 116 uonons eui episui Bursnoy ug jo ulonog ajejd eureN sun jo uoge207 1u04 OY WOI MIA SALON jem eui ynon 1qbres Duidid JO EM y UI Sou y jo UOHISOd Duidid ya 104 DAA uonoeuuoo edid ureiq eoeds paumbay epis 100 4 erejd eureu purig ejoeisqo UrTuDISu 303 eoeds sonas aJjou JO Hi ooeds ao1ag 1OW 10 DOSZ epis 1004 Y W014 uone eoeds peunbeu li AA AAA i _ 4 D 8 E Pos n in t E yoq BuibuedH 2 uonisod Buibue 2 o T EJ amp 2 Q 2 104 ay WO MaA EH yoeg Duidid ur mo Dune 10 Sjou WIS UONISO y u Part 1 System Outline 1 26 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component 1 Air outlet 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Back side drain pipe connection left 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Position of the hole in the wall for piping
84. 2 21 1 17 Fan and Flap Operations 2 22 1 18 Indoor Unit Fan Control cccconnncccuccccncccncnoconanonnnnnononanonnnnnnnnnnnnononononnnnnnnns 2 23 iv Table of Contents ESIE05 04 Part 3 Troubleshooting 1 Troubleshooting 1 1 What Is in This Chapter 20 0 0 ee eee eeeeeeseeeeseeeeeeeeeseeeeseesaseeeseeeeeeneaes 3 3 1 2 General Troubleshooting Flowchatt cesses sees eeeeteeeseceeeeeeeees 3 4 1 3 Overview of General Problems sees 3 5 1 4 Procedure of Self Diagnosis by Remote Controller 3 20 1 5 Fault diagnosis by Wired Remote Controller 3 21 1 6 Fault diagnosis by Wireless Remote Controller 3 22 1 7 Overview of Error COd8S oocoocccocccccccccocccnnncononcnnnn cnn nn conc nnnncnrnn cnn rca ncnnn 3 26 1 8 Troubleshooting by LED Indications on the Indoor Unit 3 27 1 9 Troubleshooting by Remote Controller Display LED Display 3 28 1 10 Overview of the Indoor Safety Devices oooooooiicnncconcciocncocanoccnrnnaconananoos 3 30 2 Error Codes 2 1 What Is in This Chapter sssssssseeeeenennneneeeen 3 31 2 2 Malfunctioning Indoor PCB 3 32 2 8 Malfunction of Drain Water Level System 3 33 2 4 Malfunctioning Drain System sse 3 35 2 5 Indoor Unit Fan Motor Lock sesessseenenene 3 36 2 6 Malfunctioning Capacity Sett
85. 2 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 4 Insert the float switch ass y At this time put the lead wires in the wiring groove properly 5 Install the drain pump together with the float switch with screw and O When install the drain pan put the lead wires of float switch and drain pump in wiring groove and pass the lead wires above on the black sealing material on the drain pan Otherwise due dripping may occur due to leakage of cool air Wiring groove S2669 AF Sy Lead wires Part 5 Disassembly and Maintenance 5 63 Disassembly and Maintenance ESIE05 04 1 12 11 Replacement of Heat Exchanger Thermistor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Disconnect the grounding terminal from the header Pull apart the thermistor ass y and motor lead wire from the clamps Pull out the thermistor from the slit of heat exchanger partition plate Remove two screws to the top panel then pull the partition plate of heat exchanger downward rmistor y 5 64 Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 Step Procedure Poin
86. 4 Interchangeable plate 31 1 Fan top plate 5 Small bottom plate 31 2 Fan housing bottom 6 Large bottom plate 31 3 Fan housing top 7 Air outlet flange 31 4 Rotor assy 8 Center stay assy 31 4 1 Hexagon socket screw 9 Air filter holding plate assy 31 5 Fan motor 10 Stay for fan top panel assy 31 6 Fan motor stand 11 Fan side blind plate assy 31 7 Motor fixing plate assy 12 Cooler side blind plate assy 32 Switch box assy 13 Pipe setting plate assy 32 1 Switch box body 14 Swtich box cover assy 32 2 Switch box fixing plate 15 Drain pan setting plate 32 3 Terminal fixing plate 16 Drain socket cover assy 1 32 4 Option fixing plate left 17 Drain socket cover assy 2 32 5 Option fixing plate right 18 Hanger bracket 32 6 PCB assy 19 Drain pan assy 32 7 Air thermistor 19 1 Drain socket cap 32 8 Power supply transformer 20 Heat exchanger assy 32 9 Fan motor capacitor 20 1 Distributor with filter assy 32 10 Terminal for remote controller 20 2 Single union joint 32 11 Terminal for power supply 20 3 Single union joint 32 12 Wire harness 20 4 Flare nut 32 13 Wire harness 20 5 Flare nut 32 14 Tie wrap with clip 21 Air filter assy 32 15 Capacity setting adaptor 22 Service cover assy 33 Thermistor liquid 23 Drain pump fixing plate 34 Thermistor coil 24 Service cover cap assy 35 Thermistor fixing blade 25 Drain pump 36 Metal clamp 26 Float switch 37 Drain hose 27 Drain hose assy 38 Insulation for joint gas 28 Vibration absorber 39 Insulation for joint liquid
87. 5 97 Disassembly and Maintenance ESIE05 04 1 14 3 Removal of Fan Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove two mounting screws to dismount switch box cover 81268 2 Remove suction air temperature thermistor attached to bell mouth Edge of rib Suction air temperature i thermistor Stick filament tape 51269 3 Bell mouth is mounted with tree screws Loosen a screw located at diagonal position to the pipings and remove other two screws To remove bell mouth loosen this screw and slide bell mouth to right side 151270 5 98 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 4 Remove bell mouth by sliding to piping direction 5 To dismount fan remove washer based nut using double ended wrench 6 Remove fan by pulling down 151274 Part 5 Disassembly and Maintenance 5 99 Disassembly and Maintenance ESIE05 04 1 14 4 Removal of Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work
88. 6 FAQ100B Overview This part contains the following topics Topic See page Removal of Air Filter 5 123 Removal of Slide Panel Operation Display Cover and Front Grille 5 124 Removal of Electrical Parts Box 5 125 Removal of PC Board 5 126 Removal of Swing Louvre Unit 5 127 Removal of Fan Motor 5 129 Removal of Drain Pan 5 130 Removal of Heat Exchanger 5 132 Removal of Fan Rotor 5 133 5 122 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 16 1 Removal of Air Filter Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Hold the air filter tabs with your hands and pull out ng 51298 2 Pull the air filter out 51229 Part 5 Disassembly and Maintenance 5 123 Disassembly and Maintenance ESIE05 04 1 16 2 Removal of Slide Panel Operation Display Cover and Front Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the left and right side panels 1 white Screw each on left and right Remove the oper
89. 7 HiXSS diam 7 Fin type Rhombus Fan Air flow rate cooling high 14 m min 15 m min 18 m min 18 m min 28 m min 31 m min Air flow rate cooling low 10 m min 11 m3 min 14 m3 min 14 m3 min 21 m3 min 24 m3 min Air flow rate heating high 14 m min 15 m min 18 m min 18 m3 min 28 m min 31 m min Air flow rate heating low 10 m min 11 m min 14 m min 14 m3 min 21 m3 min 24 m3 min Qty x model rotor 1x QTS46B14M 1x QTS46A17M Qty x model motor 1 x 19NFB6079 1x 19NFB6078 Fan speed 2 steps direct drive Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Inline fuse 250V 5A Fan motor thermal protector pun i ums lt Drain pump thermal fuse Air filter Resin net with mold resistant in decoration panel Temperature control Microprocessor thermostat for cooling and heating Weight Unit 23 kg 27 0 kg Electrical The table below contains the electrical specifications specifications Specification FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3B Unit Phase 1 Voltage 230V Frequency 50 Hz Power consumption 140 W 161 W _ Nominal running current Fan motor FLA Full Load Amps 0 6A 10A No of motors x output 1x45W 1x90W 1 46 Part 1 System Outline ESIE05 04 Specifications 2 3 FCQ D Technical The table below contains the technical specifications specifications Specification FCQ71DV3B FCQ100DV3B FCQ125DV3B FCQ140DV3B Heat exchanger Rows x stages x fin pitch 2x10x 1 2mm 2x12x
90. 7 connectors in total connected to the inside of the switch box W Transfer connector x 3 pieces W Direct connector x 4 pieces Terminal block box cover Switch box cover 82824 R Remote controller Moisture sensor Remote controller Heat exchanger temperature thermistor For power Moisture sensor supply connection Swing motor Drain pump Swing motor 52625 Float switch Part 5 Disassembly and Maintenance 5 31 Disassembly and Maintenance ESIE05 04 Step Proce dure Points Disconnect the connector for fan motor m For FCQ71D Direct connector m ForFCQ100 140D Relay connector Remove the grounding wire mounting screw Remove the switch box fixing screw Fan motor 52626 Tilt the switch box in the direction shown by the arrow then draw the entire switch box out Status after removal Control PC board PS 4 eer CR Inverter PC board for RZP100 140D models only Power supply PC board 52627 52628 5 32 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 7 Removal of PC Board Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the switch box according to the procedure for removin
91. 88 while the emergency operation is active on the indoor unit indoor coil In heating defrost is activated for 3 minutes once every hour Be sure to set the emergency switch on both the outdoor and indoor unit The unit will not regulate the temperature during emergency operation If a safety device is activated during emergency all actuators are turned OFF In cooling the unit runs for 20 min and then stops for 10 min in order to avoid freeze up of the Emergency operation can not be carried out when the PCB board itself is defective Change the position of the emergency switch only when the power is turned off 2 6 Part 2 Functional Description ESIE05 04 Functional concept 1 4 Outdoor Unit Identification Function Purpose The purpose of the outdoor unit identification function is to enable the indoor unit to automatically determine which operating mode has to be set in function of the type of connected outdoor unit c o or h p Operating modes The possible operating modes are Outdoor unit Operating modes h p m Fan W Cooling m Dry keep B Heating c o W Fan W Cooling m Dry keep Used input The outdoor unit identification function uses the following inputs input Connection on Connection on P indoor PCB outdoor PCB Indoor PCB TC amp RC Outdoor PCB TC amp RC TC Transmission circuit RC Receiving circuit Part 2 Functiona
92. A 8 asz LOZu Inverter g81MZ800L0ZH g8 A 8 800L0Zu gcA 8 8LZ0ZH Heat Pump S8LMZ8ScLO3H 8LMZ800103H geA4g00 1034 81MZ8LZO03H g8 AZgLZO03H 8LMZ8ScLOH Heat Pump 8LMZ800LO0H g8 AZ8001L0H o o 2 c o z 8LMZ8LZO0H g8 A28LZ0H S8LMZ8SCIHH 81MZ8001IHH 8 AZ8001HH 81MZ8L HH 8 A4817HH Outdoor unit Cooling Only FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV3B FHQ100BUV3B papuadsns ulja FHQ125BUV3B FUQ71BV3B FUQ100BV3B FUQ125BV3B ayjesseo pepuedsns Bulao FAQ71BV3B FAQ100BV3B pejunoui em Introduction ESIE05 04 Combination matrix Possible indoor combination Standard capacity for twin triple and double twin operation Twin Triple Double Twin Outdoor gt models pS co tm 3 35 35 PERATESVOB KHRQ22M20TA7 RZQ100B8V3B 50 50 35 35 35 RZQ100B7W1B KHRQ22M20TA7 KHRQ127H7 RZQ125B8V3B 60 60 50 50 50 35 35 35 35 RZQ125B7W1B KHRQ22M20TA7 KHRQ127H7 8x KHRQ22M20TA7 71 71 50 50 50 35 35 35 35 Beene KHRQ22M20TA7 KHRQ127H7 8x KHRQ22M20TA7 Notes 1 2 3 Possible indoor types m FCQ35 71 m FFQ35 60 B FHQ35 71 m FBQ35 71 m FUQ71 m FAQ71 Individual indoor capacities are not given because the combinations are for simultaneous operation indoor units installed in same room When different indoor models are used in combi
93. A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 91 Wiring Diagrams ESIE05 04 4 17 FDEQ125B Wiring diagram The illustration below shows the wiring diagram of the unit b 125 CLASS e Ze ES indoor RI 1 i it zi P2 Wired Remote Controller 21 i E sh ty many VAA 1 ME O RU CEN WT b e 4 551 09 BLK n CR KADA X54 LES da tu L o i io ca xm GS Green aan 7 Details of Wired E j ENE Conn li A Et Optional Accessory gt Remote pa HPS BST 4 If Iu AF H o in Terminals for Operation Indicator Compressor Operation Operation c s H sim Bm TR o mdp LA F g Da 551 Adaptor for wiring Dm E HDI T ui IR Switch box Colors BLK Black BLU Blue NEN Field wiring RAN IIT Terminal ato pia Ea Connector WUT na Wire Clamp BAN gt Brown W Protective earth screw i Notes 1 When using the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination system See technical materials and catalogues etc before connecting 1 92 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller CAR Capacitor Fan BS1 ON OFF button F1T Thermal
94. BS1 ON OFF button C1R Capacitor Fan BS2 Timer mode start stop button F1U Fuse 5A 250V BS3 BS8 Programming time button F1T Thermal fuse 152 C M1F embedded BS4 BS9 Temperature setting button HAP Light emitting diode Service monitor green BS6 Operation mode selector button M1F Motor Fan BS7 Timer ON OFF button M1P Motor Drain pump BS11 Fan speed control button R1T Thermistor Air BS12 Inspection test operation button R2T Thermistor Liquid BS14 Filter sign reset button R3T Thermistor Coil H1P Light emitting diode Service monitor red RyF1 4 Magnetic relay Fan LCD Liquid cristal display RyP Magnetic relay Drain pump SS1 Selector switch Main sub SS1 Selector switch Emergency TIR Power supply transformer 220 240V 21 8V Connector for optional parts X1M Terminal strip X60A X61A Connector Interface adaptor for Sky Air US X2M Terminal strip series RC Signal receiver circuit X33A Connector Adaptor for wiring TC Signal transmission circuit X35A Connector Group control adaptor X40A Connector Remote ON OFF Forced OFF Adaptor for wiring RyC RyF Magnetic relay Part 1 System Outline 1 71 Wiring Diagrams ESIE05 04 4 7 FBQ71B Wiring diagram The illustration below shows the wiring diagram of the unit a Details of Wired Remote Controller E J Optional accessory C o i Ea Remote ON OFF SSO MIMO Bly ccs nman w 7 7 n U Switch box Notes 1 When using
95. CB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X14A S1Q Limit switch Swing flap X15A Connector for float switch When installing the drain pump remove the jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A2P X24A is connected when the wireless remote control is used X25A Drain pump option X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System Outline 1 117 PCB Layout ESIE05 04 6 11 FUQ71 100 125B PCB The illustration below shows the PCB connectors X61A X60A X11A X27A X14A X15A EM X20A m X29A X18A EE X19A EE X25A X10A X5A X24A Connectors The table below describes the PCB connectors Connector Connected to Desc
96. CQ50B7V1 950x950 cassette standard FCQ60B7V1 FFQ25B 7 V1B FFQ35B 7 V1B 600X600 cassette FFQ50B 7 V1B FFQ60B 7 V1B FBQ35B7V1 FBQ50B7V1 standard FBQ60B7V1 FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B suspended Introduction ESIE05 04 Sky Air outdoor The table below contains the possible combinations between indoor units and Sky Air outdoor units Non Inverter Cooling Only Heat Pump Heat Pump 4 RR7187v3B RR71B7W1B 4 RR100B7V3B RR100B7W1B RR125B7W1B 4 RQ71B7V3B RQ71B7W1B 4 RQ100B7V3B RQ100B7W1B RQ125B7W1B REQ71B7V3B REQ71B7W1B REQ100B7V3B REQ100B7W1B REQ125B7W1B RZQ71B7 8 V3B RZQ100B7 8 V3B RZQ100B7W1B RZQ125B7 8 V3B RZQ125B7W1B RZQ140B7W1B RZQ200B7W1B RZQ250B7W1B FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3B o o o o c o e 1O o x e i o v o c 0 o O o lt 2 FCQ71DV3B FCQ100DV3B FCQ125DV3B FCQ140DV3B FFQ35B 7 V1B FFQ50B 7 V1B FFQ60B 7 V1B 600X600 FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B FDQ125B7V3B FDQ200B7V3B FDQ250B7V3B FDEQ71B7V3B FDEQ100B7V3B FDEQ125B7V3B Introduction ESIE05 04 81MZ80S20ZH 8LMZ80020Zu 8LMZ80t LOZU g81MZ8SZ LOZH ge
97. Checks What Is in This Chapter anisan inno n an a a ai 4 3 1 2 Test Run Checks conterere erede De eb kasd retra end 4 4 1 3 Setting the Wireless Remote Controller eese 4 5 2 Field Settings 2 1 What Is in This Chapter 20 0 0 eee eeseeeeeeeeseeeeeeeeeseneeseesaeeaeseeeeeeeaes 4 9 2 2 How to Change the Field Settings with the Wired Remote Cohtrollet operate pt ir 4 10 2 8 How to Change the Field Settings with the Wireless Remote Controller 2 5 e oett Rp eee 4 12 2 4 Overview of the Field Settings on the Indoor Units 4 13 2 5 Overview of the Factory Settings on the Indoor Units 4 14 2 6 Setting the Ceiling Height oooonconncnnnnninnnnnnnacinncnnonnccanacanrccnrn nana nrccan cano 4 15 2 7 Setting the Filter Counter seen 4 16 2 8 MAIN SUB Setting when Using Two Remote Controllers 4 18 2 9 Setting the Centralized Group No sesseeeen 4 19 2 10 The Field Setting Levels eene 4 20 3 Test Run and Operation Data 3 1 General Operation Data eseeeeeeneee 4 24 Table of Contents vii ESIE05 04 Part 5 Disassembly and Maintenance 1 Disassembly and Maintenance 1 1 What Is in This Chapter oooooonncnnccnononacancnccnnaronon cono nono ri anal 5 3 1 2 FGQ35 50 60 71B o qeu de
98. D Red WHT White BRN Brown Notes 1 When using the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination system See technical materials and catalogues etc before connecting 1 90 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller CAR Capacitor Fan BS1 ON OFF button F1T Thermal fuse 136 C T1R embedded BS2 Timer mode start stop button HAP Light emitting diode Service monitor green BS3 BS8 Programming time button M1F Motor Fan BS4 BS9 Temperature setting button R1T Thermistor Air BS6 Operation mode selector button R2T Thermistor Coil BS7 Timer ON OFF button RyF1 4 Magnetic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation button SS1 Selector switch Emergency BS14 Filter sign reset button TIR Power supply transformer 220 240V 21 8V H1P Light emitting diode Service monitor red X1M Terminal strip LCD Liquid cristal display X2M Terminal strip SS1 Selector switch Main sub RC Signal receiver circuit TC Signal transmission circuit Connector for optional parts X60A X61A Connector Interface adaptor for Sky Air US Adaptor for wiring series RyC RyF Magnetic relay X33A Connector Adaptor for wiring X35A Connector Group control adaptor X40
99. E E EE Ede unt 5 4 1 3 FCQ100 MB cin REDE ESI i aati 5 6 1 4 FFQ25 35 50 60B 5 8 1 5 FBQ35 50B oet steep stica t s stt ue ib et ee 5 10 1 6 EBQGOO 71B iiie oe Htec rite ave men ete ds 5 12 1 7 FBQ100 125B 5 14 1 8 FDQ125 200 250B 5 16 1 9 FDEQ71 100B ss 5 18 1 10 FDEQ125B me 5 20 1 11 FCQ71 100 125 140D 5 22 1 12 FEGQ25 50 60B 7 5 hotte tested tenete di 5 42 1 13 FHQ35 50 60 71 100 125B ssssssssseeeeeeeeenneneennn 5 79 1 14 FUQ71 100 125B 1 15 FAQ7IB i EH meti mete 1 16 FAQ100B 2 1 1 et Devic tet aecenas o Este od O Pot uten viii Table of Contents ESIE05 04 Introduction 1 Introduction 1 1 About This Manual Target group Purpose of this manual Five parts Introduction overview This service manual is intended for and should only be used by qualified engineers This service manual contains all the information you need to do the necessary repair and maintenance tasks for the R 410A Sky Air Indoor Units This service manual consists of an introduction five parts and an index Part See page Part 1 System Outline 1 1 Part 2 Functional Description 2 1 Part 3 Troubleshooting 3 1 Part 4 Commissioning and Test Run 4 1 Part 5 Disassembly and Maintenance 5 1 The introduction contains the following topics Topic See page 1 2 Combination Overview ii
100. E a oe a ed 4 13 Fill r CO Dterz ce chaste a ra a Geant pee ear ear ee andl eile eoe qi s 4 16 Forced operating Mode secet wee ha tee inde epee da een e a a ec ars aa 2 5 Eorced th rmostat OEF sisi nue o ied nord usos Ide Ds ede aep deas Gn ach tes 2 13 Freeze prevention function 22s ovum o a ex MER E ITA A eR UD E TM ERE un 2 14 Functional diagr rms 24 eects 2 04 6 oa cay AAA Die Mese aede Osee deditus 1 55 FUQ71 125B Removal ot AirFillr meena rara AAA a e UE 5 95 Removal of Drain Panisse me peers aa em era 5 102 Removal Of Fan yen cle oe Roe RENTA XREERUNMUI RIPE RS pulsera at s 5 98 Removal of Swing Motori acid ed edet oot eU e edat a A ne 5 107 FUQ71 125BU Removal of Air Flow Control Blade oooocccccccoccoccocco eee 5 109 Removal of Drain Pup uc drei o e MIT I NECS DR pinte 5 105 Removal of Fan Motor scada pes deer ore Ex edd idv d Ee ee fees 5 100 Removal of Suction Grilles 4 tete tette eb tte edendi a und 5 96 H Heat Exchanger a eer Revise ai eei eed 5 66 Horizontal Blades zone mti roe teo abad 5 85 Horizontal Varie riae eere esteem RR oa ld Eua OR E IG Sue iaa di ae et aed 5 49 Identification TUNCIN 3 s deste rende Rt ida ote ed Rer 2 7 Index ESIE05 04 L Locating Exploded views indoor units 0240 a AA E ER 5 3 Furictional diagrams irte 1 55 POB layQUlto xx usce a Oa tee Gus pen Hd or dee ia ie Tea es 1 107 I regio Dr 1 95 Therrmistorsz see 2c ese ges vite epe E epu Ve eet per
101. E05 04 Field Settings Note Monitoring mode ON THERMO OFF ON gt LL speed or set speed INDOOR FAN OFFL LL E Ei 6 min 6 min 1 min 1 min Air flow direction Set the air flow direction of the indoor units as given in the table below This setting is needed when setting the optional air outlet blocking pad has been installed The Second code No is factory set to 01 Mode No First code No Second code No Setting 01 F four direction air flow 13 or 23 1 02 T three direction air flow 03 W two direction air flow Part 4 Commissioning and Test Run 4 17 Field Settings ESIE05 04 2 8 MAIN SUB Setting when Using Two Remote Controllers Situation The MAIN SUB setting is necessary when one indoor unit is controlled by two remote controllers When you use two remote controllers control panel and separate remote controller set one to MAIN and the other to SUB You can do this by setting the switch on the remote controller s PCB Setting The remote controllers are factory set to MAIN so you only have to change one remote controller from MAIN to SUB To change a remote controller from MAIN to SUB proceed as follows Step Action 1 Insert a flathead screwdriver into the recess between the upper and lower part of the remote controller as shown in the illustration below Gently pry off the upper part of the controller working from the two
102. ESIE05 04 Service Manual R 410A Sky Air Indoor ESIE05 04 Table of Contents 1 Introduction 1 1 About This Manual e EDO Ere re Sencillo DUO eere i i 1 2 Combination Overview i ii Part 1 System Outline 1 General Outline 1 1 What Is in This Chapter sssssssseseeeeneneenenenennens 1 3 1 2 FGQ35 50 60 71B eiua ed te eet dae dete niente 1 4 1 3 FGQ100 125B Len ii e II Ere ade nacs 1 6 1 4 FCQ ID 1 8 1 5 FCQ100 125 140D 1 10 1 6 FFQ25 35 50 60B 1 12 1 7 FBQ35 50B 1 14 1 8 FBQ60 71B 1 16 1 9 FBOT00 125B es A A Aa 1 18 1 10 DE e a ia 1 20 1 11 FDQ200 250B 1 22 1 12 EHQ35 D0B id ada da REDE 1 24 1 13 ale MA acid 1 26 1 14 FHQ100B 1 28 1 15 FHQ125B 1 30 1 16 FUQThAB 1 32 1 17 FUQ100 125B 1 34 1 18 FAQTAB 1 36 1 19 FAQ100B 1 38 1 20 FDEQ71 100B 1 40 1 21 ALEL o ct iia 1 42 2 Specifications 2 1 What Is in This Chapter 20 0 eee eeeeeeeeeeseeeeeeeeeseneesensaeeeeseeeeeeneaes 1 45 2 2 FCQ B 1 46 2 3 FCQ D 1 47 2 4 FFQ B 1 48 2 5 FBQ B 1 49 2 6 FDQ B 1 50 2 7 FHQ B 1 51 2 8 FUQ B 1 52 2 9 FAQ B 1 53 2 10 FDEQ B 1 54 Table of Contents i ESIE05 04 3 Functional Diagrams 3 1 What Is in This Chapter 1 55 3 2 Indoor Piping
103. ESIE05 04 Maintenance Mode The table below describes the maintenance mode settings Settings Mode No Function Content and operation method Example of the remote controller display Display malfunction history resi The history No can be changed with the pro UntNo Jay ramming time button TII 40 History error 9 9 A CODE Spi SETTING codes Malfunction 0 Newest history 2 Oldest 00 displayed for 3 and subsequent H Select the display thermistor with the pro Thermisior gramming time button 41 Thermistor Thermistor RI data display 0 Remote control thermistor UntNo pii Ld 1 Suction thermistor SERE 2 Heat exchanger thermistor zn 43 Forced fan ON Turns the fan ON for each unit individually i Unit No H i de ft SETTING Sets fan speed and air flow direction for each i unit individually when using group control E 5 High 44 Individual Settings are made using the air flow direc Air flow direction setting tion adjust and fan speed adjust buttons UnitNo Confirmation by the confirmation button is f required cone n SETTING Changes unit No Field set No f Set the unit No after changing with the pro 45 Unit No gramming time buttons l rales change Confirmation by the confirmation button is a ae ii required i tl CODE ne SETTING 4 22 Part 4 Commissioning and Test Run ESIE05 04 Test Run an
104. Es 2 Connectthe lead wires of float switch HR m for bundling Fix to the hole in the mounting plate Screw Clamp material for fixing screw Pan Engage with the fixing tabs 5 tabs 52640 5 40 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 11 Removal of Heat Exchanger Temperature Thermistor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points B Remove the drain pan according to the procedure for removing the drain pan 1 Cut the clamp material 2 Draw the heat exchange temperature thermistor together with the insulation material out in the direction shown by the arrow Clamp material S2641 _ Heat exchanger 5 temperature thermistor Insulation material 82842 Part 5 Disassembly and Maintenance 5 41 Disassembly and Maintenance ESIE05 04 1 12 FFQ25 50 60B Overview This part contains the following topics Topic See page Removal of Suction Grille 5 43 Removal of Air Filter 5 44 Removal of Decoration Panel 5 46 Removal of Horizontal Vane 5 49 Removal of Swing Motor 5 51 Removal of Switch Box 5 53 Removal of Fan Rotor and Fan Motor 5 55 Removal of Drain
105. Fan Motor and Fan Rotor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front grille in accordance with Removal of Front Grille DUE Removing the electrical box TY b in accordance with cr Removal of Electrical Box 1 Removing the fan motor Sree E fr 7 A Bearing cover 1 1 Insert a Phillips tip fj 8f y E Bearing cover 21 screwdriver into the air tte e Ys outlet and remove the roar NV PUR a screws fixing the fan TAS motor and fan rotor The y N screws can be removed uc without removing of gt n horizontal blade 2 Remove the two screws on the bearing cover 1 and 2 and dismantle the covers 3 Take out the fan motor wie 4 Fan motor sideways Rotor cover 2 Removing the fan rotor Removing the heat exchanger in accordance with Removal of Heat i Exchanger 04 4 1 Remove the two screws pu E to dismantle the rotor P cover pill 2 Pull the fan rotor out Part 5 Disassembly and Maintenance 5 119 Disassembly and Maintenance ESIE05 04 1 15 7 Removal of Air Swing Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front grille in
106. Horizontal Horizontal Swing defrost NL Airflow direction setting Set position Defrost Swing operation Swing Airflow direction setting Set position Thermostat Swing operation LL Swing OFF a f Airflow direction setting Set position Hot start after Swing operation Swing thermostat OFF T cold air pre Airflow direction setting Set position vention Stop error Swing operation OFF Fully closed hori zontal Airflow direction setting Fully closed Overload ther Swing operation LL Horizontal Swing mostat OFF T Airflow direction setting Set position 2 22 Part 2 Functional Description ESIE05 04 Functional concept 1 18 Indoor Unit Fan Control Outline Before compressor stop During compressor stop Before compressor startup During compressor start and stop control the indoor fan will receive instruction from the outdoor unit in order to protect the compressor from receiving liquid and to assure a smooth compressor start up Wi Indoor fan control before compressor stop Indoor fan control during compressor stop m indoor fan control before compressor startup a Indoor fan control at compressor startup After thermostat off or remote controller signal off has been sent from the outdoor unit to the indoor unit the compressor will keep on running for a period of time in order to execute the residual pump down operation During this pump down operation the indoor fan will keep on o
107. Introduction ESIE05 04 1 2 Combination Overview Introduction Pair split outdoor In the tables in this section m 2 stands for symmetrical twin combination 3 stands for symmetrical triple combination 4 stands for symmetrical double twin combination P stands for pair combination M stands for multi combination T stands for assymmetrical twin or triple combination The table below contains the possible combinations between indoor units and pair split outdoor units Cooling Only Cooling Only Heat Pump ao RS50BVMB RSGOBVMB RKS25BVMB RKS35BVMB RKS50BVMB RKS60BVMB v RKS35D 2 VMB RXS25BVMB v RXS35BVMB RSX50BVMB RSX60BVMB v RXS35D 2 VMB FCQ35B7V1 v FCQ50B7V1 950x950 cassette standard FCQ60B7V1 FFQ25B 7 V1B FFQ35B 7 V1B 600X600 cassette FFQ50B 7 V1B FFQ60B 7 V1B FBQ35B7V1 FBQ50B7V1 duct standard FBQ60B7V1 FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B ceiling suspended ESIE05 04 Introduction Multi split outdoor The table below contains the possible combinations between indoor units and multi split outdoor units Outdoor unt Cooling Only Heat Pump 4MKS58BVMB 4MKS75BVMB 4MKS90BVMB 4MKS58DVMB 4MKS75DVMB 4MKS90DVMB 3MXS52BVMB 4MXS68BVMB 4MXS80BVMB 2MXS52DVMB 3MXS52DVMB 4MXS68DVMB 4MXS80DVMB RMXS112D7V3B RMXS140D7V3B RMXS160D7V3B FCQ35B7V1 F
108. M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 114 Part 1 System Outline ESIE05 04 PCB Layout 6 8 FDQ125 200 250B PCB The illustration below shows the PCB connectors i X61A X33A X11A X27A X60A X31A X18A X19A X21A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X18A R2T Coil thermistor liquid X19A RIT Air thermistor X21A K1F Magnetic contactor of fan motor X27A X2M Power supply amp communication X31A A3P PCB X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System Outline 1 115 PCB Layout ESIE05 04 6 9 FHQ35 50 60B PCB The
109. PeBXEEQ B t tt a eps cede epe Buc edet 5 72 Indoor Unit POCB EHIQ B ciere eut pe quse a ERU MERERI REI Ea unte Mg 5 82 R Receiver Sectio a i e era etra dre ed ehe pe dete vta ce diastolic Moka ad t de ande ad 5 76 Remote controller M ltiple setling peer a A au esed E ee 4 8 Setting address for receiver of wireless remote controller 0 0000000000000 4 5 Setting address for wireless remote controller llle 4 6 Thermostat using CONQItIONS ooocococcccccoro e 2 11 Remote Controller Display Malfunction Code and ContentS ooococcccccccc esee 3 26 Removal of Drain Pan Drain Pump Float Switch 0 0 cece eh 5 38 Removal of Heat Exchanger Temperature Thermistor llllll llle 5 41 Removalor PO BOA maidm cca eon OS AAA LP Rus 5 33 Resistance conversion table 0 0 0 0 0 cee m n 3 57 Index ESIE05 04 S Safety devices ndor in n a a ine eect ea ee oan ee Sa ae de 3 30 Self Diagnosis by Wired Remote Controller lisse 3 21 Setting Address for receiver of wireless remote controller liliis 4 5 Address for wireless remote controller 0 liliis 4 6 Ceiling NeIQNt a2 ade onan tee RA Os TAA Ra IN Abad EE SM dece 4 15 Centralized group NO sem en te e oe ded Ros aA ae bynes ER Re eR gaa 4 19 Field settings wired remote controller liliis 4 11 Field settings wireless remote controller llli 4 12 Filter CON o ic d
110. Remote Controller to Outdoor Unit Wired Remote Controller i Lali Controller TT Notes Side 1 4 Terminal Control box ES Connector I Field wiring 2 In case using central remote controller connect it to the unit in accordance with the attached installation manual 3 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 4 X24A is connected when the wireless remote controller kit is being used 5 y Shows short circuit connector 6 Symbols show as follows RED Red WHT White GRN Green BLK Black ORG Orange BRN Brown BLU Blue YLW Yellow PNK Pink Confirm the method of setting the selector switch SS1 SS2 of wired remote controller and wireless remote controller by installation manual and engineering data etc 1 84 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wireless remote controller Receiver display unit HAP Light emitting diode Service monitor green A2P Printed circuit board M1F Motor Indoor fan A3P Printed circuit board M1S Motor Swing flap BS1 Push button ON OFF R1T Thermistor Air H1P Light emitting diode on red R2T Thermistor Coil H2P Light emitting diode timer green SS1 Selector switch Emergency H3P Light emitting diode filter sign red X1M Terminal block H4P Light em
111. Selector switch Main Sub KAR Magnetic relay M1S KPR Magnetic relay M1P Wireless remote controller Receiver display unit M1F Motor Indoor fan A2P Printed circuit board M1P Motor Drain pump A3P Printed circuit board M1S Motor Swing flap BS1 Push button ON OFF Q1M Thermo switch M1F embedded H1P Light emitting diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil H3P Light emitting diode filter sign red S1L Float switch H4P Light emitting diode defrost orange S1Q Limit switch Swing flap SS1 Selector switch Main Sub SS1 Selector switch Emergency SS2 Selector switch Wireless address set TIR Transformer 220 240V 22 V V1TR Phase control circuit Connector for optional parts X1M Terminal block X35A Connector Group control adaptor X2M Terminal block X60A X61A Connector Interface adaptor for Sky Air series RC Signal receiver circuit TC Signal transmission circuit Part 1 System Outline 1 83 Wiring Diagrams ESIE05 04 4 13 FAQ71B Wiring diagram The illustration below shows the wiring diagram of the unit Receiver Display unit Attached to Wireless Remote Controller to Outdoor Unit ik 6 m Note 4 In case of simultaneous Norm Emg PHM Input from outside dci l in ni tl Transmission wirin ta TID g a9 Indoor unit Indoor unit 5 Master Slave US to Gi mn 1310 4511 Ml 551 xw m ELI UL Central
112. YES gt Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit is necessary Is air filter equipped Install air filter gt Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit is necessary 81998 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 3 10 Remote controller LCD displays 58 Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause Troubleshooting Trouble YES generates just after power supply ON Is the position of SS 1 ori YES gt The unit is checking to confirm that remote controller is normal Indication appears for short time indoor unit PCB at Emergency Check the unit based on indoor unit LED and outdoor unit LED Trouble Shooting Turn the switch to Normal and reset power supply 1999 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 11 Swing flap does not operate Applicable Models FUQ FHQ FAQ100 Method of Utilizes ON OFF of the limit switch when the motor turns Malf
113. after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the suction grille OPush the buttons and pull down 1 Push the 2 buttons m When closing push up the simultaneously and pul grille slowly the suction grille down slowly 82608 2 With the suction grille Open te 45 Wi Grille is attached with 3 hooks open at an angle of 45 lift it up to remove it Suction grille 526097 Part 5 Disassembly and Maintenance 5 23 Disassembly and Maintenance ESIE05 04 1 11 2 Removal of Air Filter Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the air filter 1 Open the suction grille Refer to the procedure for removing the suction grille 2 Disengage the hooks of the air filter by pulling the filter downward at an angle and remove the filter Air filter I A ES Tab 2611 5 24 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Mounting the air filter 1 Hook the air filter on projections at the top of 2 Force the bottom of the air filter into projections at the bottom of the suction grille to secure the air filter 52612 Part 5 Disassembly and Maintenan
114. al and engineering data etc 8 X15A X25A are connected when the drain up kit is being used Connect it to the kit in accordance with the attached installation manual Receiver Display unit 1 86 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wireless remote controller Receiver display unit A2P Printed circuit board Transformer 230V 16V A3P Printed circuit board C1 Capacitor M1F A4P Printed circuit board HAP Light emitting diode Service monitor green BS1 Push button ON OFF KAR Magnetic relay M1S H1P Light emitting diode on red KPR Magnetic relay M1P H2P Light emitting diode timer green M1F Motor Indoor fan H3P Light emitting diode filter sign red M1S Motor Swing flap H4P Light emitting diode defrost orange Q1M Thermo switch M1F embedded SS1 Selector switch Main Sub R1T Thermistor Air SS2 Selector switch Wireless address set R2T Thermistor Coil S1Q Limit switch Swing flap Connector for optional parts SS1 Selector switch Emergency X15A Connector Float switch V1TR Phase control circuit X25A Connector Drain pump X1M Terminal block X35A Connector Group control adaptor X2M Terminal block X60A X61A Connector Interface adaptor for Sky Air series RC Signal receiver circuit TC Signal transmission circuit Wired remote controller R1T Thermistor Air SS1 Selector switch Main Sub
115. ance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Installation of the air filter 1 Hook the air filter to the protrusions located at the top of the suction grille 2 Pushthe lower section of the air filter into the protrusions located at the bottom of the suction grille to secure the air filter in place S2635 Part 5 Disassembly and Maintenance 5 45 Disassembly and Maintenance ESIE05 04 1 12 3 Removal of Decoration Panel Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the decoration panel 1 Remove the switch box cover and disconnect the connector of swing motor from the harness connector of electric parts 2 Check that the provisional hanger is in the position where it can be engaged with the hook of switch box AA Provisional hanger WT WEN gt Hook of switch box e i In BA es S2638 5 46 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 The decoration panel is attached with 4 mounting screws Loosen the two screws by approx 10 mm Provisional hanger Remove the two fixing screws at the switch bo
116. ation display cover installation Screw and remove the cover by sliding to the right Remove the front grille installation screws 3 MAX H2 screws with spacers Disconnect the upper hook of the front grille and remove 51300 51301 The wiring diagram is applied to the right side panel and troubleshooting list is applied to the left side panel 5 124 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 16 3 Removal of Electrical Parts Box Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points B Remove the left and right side panels operation display cover and front grille according to the procedures for their removal 1 Remove the 1 thermistor 2 heater connector and 3 rubber clip connected to the PC board 2 Remove the 2 screws fastening the electrical parts box to the units 3 Liftthe electrical parts box and remove by Heater connector moving toward the right In Illi M 81305 The left and right side panels have to be taken off in order to remove the front grille Thermistor installatian spring 51306 51307
117. be occurred Part 3 Troubleshooting 3 41 Error Codes ESIE05 04 2 8 Malfunctioning Remote Controller Air Thermistor CJ Error code LED indications Error generation Causes Troubleshooting Caution rog Lu The table below shows the LED indications Operation HAP green HBP green Normal E Malfunctioning Y 1k The error is generated when the remote controller thermistor becomes disconnected or shorted while the unit is running Even if the remote controller thermistor is malfunctioning the system can operate with the system thermistor The possible causes are W Malfunctioning thermistor B Broken wire Turn the power supply off once and then back on ls CJ displayed on the YES remote controller NO Replace remote controller Could be outside cause noise other than malfunction Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 42 Part 3 Troubleshooting ESIE05 04 Error Codes 2 9 Malfunctioning of Moisture Sensor System CC Remote controller display Applicable models Method of malfunction detection Malfunction decision conditions Supposed causes Troubleshooting Caution FCQ D Even if a malfunction occurs operation still continues Malfunction is detect
118. below and fix them with tie wrap in the following order Connect the fan motor lead wire to the connector X20A X10A X11A X27A Y Connect the lead wire of capacitor for fan Fixing claws for the PC board with pushing force upward motor to the Two locations capacitor Insert the lead wire of drain pump to the connector X25A Q o Connectthe lead wire 7 of float switch to O X15A through the Be careful that the lead wire does not lay off the groove O specified path and O wire clamp 1 NS O Insert two thermistors to the connector To drai matching the color veram pump s with X17A and X18A 19 nn through the wire float switch clamp 1 e g connect the wire GDrain pump connector e Lead wire of with yellow tape to the capacitor for yellow connector S fan motor eat exchanger Connect the lead wire of thermistor connectors float switch and two X17A X18A Wire clamp 1 pieces of wire of Rubber bushing for 2 thermistor to the switch air temp thermistor Sl ack wire here box by using tie wrap OTie wrap if the wire is Use tie wrap properly to gr SEesenetylong prevent the wire from To heat contact with hot part of pi exchanger the PC board rA X86A KISA YA thermistor 15A Insert the rubber bushing D X20 of a
119. bling work Procedure Step Procedure Points m Remove suction grille according to Removal of Suction Grille Swing motor sedon 1 Swing motor is located at SKIT a the diagonal position of i piping 2 Remove two mounting screws for swing motor cover Air flow control blade 3 Remove swing motor cover by holding two tabs on the cover 51289 wur ett sv NS Screws Ps TTE TE E Part 5 Disassembly and Maintenance 5 107 Disassembly and Maintenance ESIE05 04 Step Procedure Points 4 Remove two screws to dismount swing motor Y Connecting rod i O 81291 5 108 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 14 8 Removal of Air Flow Control Blade Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 To remove horizontal blade press down tabs located at both end of blade and pull them forward Part 5 Disassembly and Maintenance 5 109 Disassembly and Maintenance ESIE05 04 Step Procedure Points 2 Remove horizontal blade 31296 5 110 Part 5 Disassembly and Maintenance ESIE
120. button SS1 Selector switch Emergency BS14 Filter sign reset button TIR Power supply transformer 220 240V 21 8V H1P Light emitting diode Service monitor red X1M Terminal strip LCD Liquid cristal display X2M Terminal strip SS1 Selector switch Main sub RC Signal receiver circuit TC Signal transmission circuit Connector for optional parts X60A X61A Connector Interface adaptor for Sky Air US Adaptor for wiring series RyC RyF Magnetic relay X33A Connector Adaptor for wiring X35A Connector Group control adaptor X40A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 89 Wiring Diagrams ESIE05 04 4 16 FDEQ100B Wiring diagram The illustration below shows the wiring diagram of the unit ARA A A i 100 CLASS Tz a outdoor t indoor RT R FIT ra m B Wired Remote Controller i pm 71 11 y ES ES Hue ti Prey HF DA eiT 1 w PUR e Sr Ay PL Wc e Y da nel GA A i aii Terminals for 3 m Operation Indicator aaa z a 7 f Details of Wired E 4 22 Remote Controller Se Se E as ae Optional Accessory E WS 86 gt ERES E HIPS BSIT Forced OFF 1i ew AF sin Mn a geg BS omg WO a 551 ra Adaptor for wiring ena aq De Ke X29 e if E Me 4 Switch box o Colors H NH B Field wiring BLK Black CLII Terminal BLU Blue T Connector GRY Grey A Wire Clamp ORG Orange e Protective earth screw RE
121. ce ESIE05 04 Step Procedure Points Slide the PC board to the left away from the tabs on the right and remove the PC board 51243 5 84 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 13 3 Removal of Horizontal Blade Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Gently bend the support plate located at the center of the horizontal blade and detach the center shaft Two shafts provided on Types 140 and 160 2 Then gently bend the center of the horizontal blade and take both the end shafts out of their bearings horizontal blade 51245 312461 m When removing the horizontal blade from the bearings at both ends be careful not to get the blow port thermal insulation scratched Reassembling precautions 1 The shaft at the right end of the horizontal blade is cut in D shape Fit this D shaped end to the D profiled bearing Reattach the horizontal blade at the right side first 181247 Part 5 Disassembly and Maintenance 5 85 Disassembly and Maintenance ESIE05 04 1 13 4 Removal of Fan Rotor and Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disasse
122. ce 5 117 Disassembly and Maintenance ESIE05 04 1 15 5 Removal of Heat Exchanger Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front grille in accordance with Removal of Front Grille Caution Removing the switch box in If gas leaks repair the leakage accordance with Removal section collect refrigerant inside of Electrical Box the unit completely then 1 Press strongly the claws recharge refrigerant after on both left and right performing vacuum dehydration sides of heat exchanger toward inside Caution Don t mix air or the like other than the specified refrigerant into a refrigeration circle Mixing of air or other gas causes abnormal high pressure in the refrigerating cycle and results in pipe rupture or personal injuries Wi Pay attention not to soil the floor with residual drain m Incase that the drain hose is buried inside wall remove the heat exchanger after pulling out the drain hose 2 Toremove the heat exchanger pull it upward Caution When removing or reinstalling the heat exchanger be sure to wear gloves or wrap the heat exchanger with cloth or the like Otherwise the fins may injure your hand 5 118 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 15 6 Removal of
123. ce 5 25 Disassembly and Maintenance ESIE05 04 1 11 3 Removal of Decoration Panel Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the decoration m Remove a string provided to covers in the corner of prevent the decoration cover decoration panel from dropping from the 1 To remove the decoration cover in the corner decoration covers in the from the pin to dismount the corner pull the inside decoration cover suction grille side down Structure of mounting fixture Hook Mounting fixture Decoration cover in the corner gt Retaining screw Y S2613 2 Remove the one screw to dismount the terminal PM A block box cover then s mm disconnect the gon Sas connector for swing motor For the auto grille disconnect the auto grille power supply cable from the power supply terminal block S3 Loosen the 4 retaining screws from the decoration panel 4 The decoration panel is caught on the 4 hooks of the main unit Connector for 4 swing motor Terminal block box cover 52614 5 26 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 5 Remove the 2 mounting fixtures on the outside Section A then remove the 2 mounting fixtures on the inside Section B Mounting fixture M
124. chnical specifications specifications Specification FDQ125B7V3B FDQ200B7V3B FDQ250B7V3B Heat exchanger Rows x stages x fin pitch 3x 14x 1 75 mm 3 x 24 x 2 00 mm Face area 0 338 m 0 634 m Tube type Hi XSS diam 7 Hi XSS 8 Fin type Rhombus Non symmetric fin Fan Air flow rate cooling 43 0 m min 69 m min 89 m min Air flow rate heating 43 0 m min 69 m min 89 m min Qty x model rotor motor 1x 1x DPA216 178NB DPC241 241NB Fan speed 1 step direct drive Fan type Sirocco Refrigerant Type R410A Safety and functional devices Fan motor thermal fuse 160 C Air filter Resin net with mold resistant Temperature control Microprocessor thermostat for cooling and heating Weight Unit 59 0 kg 93 Kg Electrical The table below contains the electrical specifications specifications Specification FDQ125B7V3B FDQ200B7V3B FDQ250B7V3B Unit Phase 1 de 1 Voltage 230 V 230 V 230 V Frequency 50Hz 50Hz 50Hz Power consumption Nominal running current Fan motor FLA Full Load Amps 4 2A 6 8A 7 6A No of motors x output 1x500W 1x650W 1x1000W 1 50 Part 1 System Outline ESIE05 04 Specifications 2 7 FHQ B Technical The table below contains the technical specifications specifications Specification FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B Heat exchanger Rows x stages x fin pitch 2x12x1 75 mm 3x 12x 1 75 mm 2x 12 x 1 75 mm 3x12x1 75
125. ctional concept ESIE05 04 Heating And assuming suction temperature has changed from 30 C to 18 C F gt A Body thermostat sensor is used for temperatures from 30 C to 25 C F gt D Remote controller thermostat sensor is used for temperatures from 25 C to 21 C D gt B Body thermostat sensor is used for temperatures from 21 C to 18 C B gt A The diagram below shows the operation range of the set temperature air suction temperature combination in heating operation 32 28 26 24 22 TH1 Ts 1 31 TH1 Ts 12 339C TH1 Ts 10 31 C li 12 14 16 18 20 22 24 26 28 30 32 34 Range in which thermostat Range in which body Differential sensor in remote controller thermostat sensor can can be used be used Example Assuming the preset temperature above is 24 C and the suction temperature has changed from 18 C to 28 C A gt F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 25 C A gt C Remote controller thermostat sensor is used for temperatures from 25 C to 28 C C gt E And assuming suction temperature has changed from 28 C to 18 C D gt A Remote controller thermostat sensor is used for temperatures from 28 C
126. ctor for remote ON OFF Forced OFF X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor Part 1 System Outline 1 109 PCB Layout ESIE05 04 6 4 FCQ71 100 125 140D PCB1 Power PCB Connectors The illustration below shows the PCB1 connectors X56A X54A X27A X25A X55A X20A The table below describes the PCB connectors Connector Connected to Description X20A M1F Fan motor Power supply amp feedback X25A M1P Drain pump motor X27A X2M Power supply amp communications X54A X57A on A2P PCB interconnection wire X55A X57A on A2P PCB interconnection wire X56A X57A on A2P PCB interconnection wire 1 110 Part 1 System Outline ESIE05 04 PCB Layout PCB2 Control PCB The illustration below shows the PCB2 connectors X36A X40A X57A X16A X30A X24A X18A X35A X15A X58A X6A X33A Connectors The table below describes the PCB connectors Connector Connected to Description X6A E Not used X15A SiL Float switch X16A A3P Humidity sensor X18A R2T Coil thermistor X24A X2A on A4P X24A is connected when the wireless remote control used X30A X1M Terminal strip for P1 P2 and F1 F2 X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC
127. ctors X61A X60A X33A X11A X25A X27A X35A X5A X40A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X15A 33H Float switch X17A R3T Coil thermistor X18A R2T Coil thermistor liquid X19A RIT Air thermistor X21A M1F Fan motor power supply X25A M1P Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System Outline 1 113 PCB Layout ESIE05 04 6 7 FBQ100 125B amp FDEQ100 125B PCB The illustration below shows the PCB connectors X61A X60A X33A X11A X25A X27A X40A X35A X5A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X15A SiL Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X21A M1F Fan motor power supply X25A M1P Drain pump motor X27A X2
128. d peuinbei s uone nsur jeuonippe ue Bulao ay ojur pejonput SI JI usoJj 10 Duijieo eui Ul 08 HY PU 2 0 peeoxe suonipuoo ay ueuM t S ejep eJouu 104 Je oJ1u09 JOW I ssej aJIM eui jo BuiweJp eui 01 49JeH 49AI6201 jeuBis e aq uonisod Siy 49 o41u09 BJOWA ssejaJlM e Buisn jo aseo ul e JHON HO WU 00c SI 3Ovds Qaulnoa3u AHL El 938079 SI TED 39HVHOSIQ JHL N3HM Die 39VdS NOLLVTIVLSNI GaYINOAY E E EIE 3 uonoeuuoo 3 9 jonpuoueug a MIA uonoeuuoo yonp uoueJg ejou pejedeJd a o Buiuedo Duiie 2 0 uonisod uoisuedsng Mii uonoeuuoo yonp uoueug uonisod uoisuedsns ses Bulusdo ulao ous ajoy paredaig 4 edAy uonejrejsur pe mt Asessaoau si uod uonoedsui ue jequieuo Pnp uoueJq eui 104 sessasau si uod uonoedsui ue sayy ouerone yBly eui 104 1esseoeu s uod uoroedsur ue Wy exelut JIe useJ eui 104 sBuIme4p uonejeisul eui 0 13431 10sseooe euondo ue Butjersui ueuM Z Iu uonons eui jo episui eui ye eureJj jeued eui uo eued uonej09eq IHG uonons ay jo episur eui je uinoui jeg eui uo poq Pun sejejdaweu eui jo uoneoo SALON aiqeisnipy ajou oos ajoy pejedeJd joeuip uonoeuuoo 1 exelur Je use 104 Part 1 System Outline ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pip
129. d Operation Data 3 Test Run and Operation Data Introduction This chapter contains the following information m General operation data Overview This chapter contains the following topics Topic See page 3 1 General Operation Data 4 24 Part 4 Commissioning and Test Run 4 23 Test Run and Operation Data ESIE05 04 3 1 General Operation Data Guide Lines for Optimal Operation Condition Indoor Unit Fan The operation value guide lines when operating under standard conditions at Rated frequency by pushing the test run button on the remote controller are as given in the table below H Operation Compressor Rated Frequency High Low Discharge Suction Indoor Unit Outdoor Unit Pressure Pressure Pipe Temperature Side Side Mpa Mpa Temperature C Differential Differential C Between Between Suction Tem Suction Tem perature and perature and Discharge Discharge Temperature Temperature C C Cooling 26 bar 6 bar 60 100 2 10 8 18 7712 34 bar 10 bar Heating 25 bar 5 3bar 60 100 6 2 14 30 2 6 32 6 bar 9 5 bar 4 24 Part 4 Commissioning and Test Run Test Run and Operation Data ESIE05 04 Standard Conditions Indoor Unit Conditions Outdoor Unit Conditions Cooling Operation 27 C DB 19 C WB 35 C DB 20 C DB 7 C DB 6 C WB Heating Operation Du
130. dimensions of the unit mm Outlook and Imensions d 3HONN HO WU 002 SI JOVAS qauinoad AHL 38079 SI TllHO SDYVHOSIC IHL NAHM x LA 20W 10 seri aow JO wi 39WdS aauino3ue MIIA MOHHV 8 uonoeuuoo auqa exeiur are 100pjno Duije NOILVTIVLSNI LHOI3H HOW epis 1004 SY W014 e o 5 o o I 2 3 a o o E o Ho eoeds peuinbeu uonisod uoisuedsns El 9JOUJ JO peinsue eq ued eouewoje deano jaued ay yey os 6uiuedo Hulja ay pue jun urew eui UBEMjoq sso 10 LUGE jo eouejeo o eui dee Buiuedo Buried ejenbs uuo L6 Jo wnwxew 0 dn ejqeidoeooe si uonejeisui eui yBnoy py peuinbei s w104 euejAuje Ajod JO j oowsse D jo aJou JO wwo sseuxpoiui uone nsui jeuonippe ue uoiye1ado noy pZ senunuoo yun eui 40 Bu reo eui OJU pejonpul si re usejj eux JO 9608 HH pU DOE peeoxe Burro ay u ypiuiny pue einjejeduie ay ueuM Jeep JO Je o uo9 ejouie4 ssejeJiM jo DuiweJp eui 0 1ajay Low ar a usus A 19 19091 eU iis e aq m uonisod siuj jejouuoo ajowa ssejaJIM Duisn jo aseo U Z 46 uonons episui ewes Jeuui y uo jeued uoneJooep 104 1146 uonons episui ujnouJ eq y uo pun Joopui 104 eye d eureu s pun jo uoreoo SALON S aiqeisnipy eoeds Buiuedo Bue Part 1 System Outline 1 12 ESIE05 04 General Outline Components The table below contains the different components of the unit No
131. e 1 14 6 Removal of Drain Pump Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Drain pump is located at piping side oo Ae a ye Drain pump TY d Cut clamp material of P P eer Caution hose and disconnect e 6E P When reconnect drain hose with hose from pump Wd o Au E the pump secure hose at joint ig using clamping material such as Tielap Clamping material should be normally included in the stock items l al iit il X aut Clamp material Tielap 4 2 Remove four screws to dismount drain pump X Screws f H Ly d four locations En AS Joint port for drain hose 51286 3 Dismount drain pump by pulling it down 81287 Part 5 Disassembly and Maintenance 5 105 Disassembly and Maintenance ESIE05 04 Step Procedure Points Removing float switch a Loosen three mounting screws to remove drain pump mounting base b Remove two screws located at opposite side of drain pump mounting base to dismount float switch 51288 5 106 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 14 7 Removal of Swing Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassem
132. e Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Remote controller wiring connection Power supply connection Drain pipe connection Air filter Air suction side Air discharge side olol NI aJ oa AJ OJN Nameplate Part 1 System Outline General Outline ESIE05 04 1 44 Part 1 System Outline ESIE05 04 Specifications 2 Specifications 2 1 What Is in This Chapter Introduction This chapter contains the following information m Technical specifications Mm Electrical specifications Indoor units This chapter contains the following specifications Specifications See page 2 2 FCQ B 1 46 2 3 FCQ D 1 47 2 4 FFQ B 1 48 2 5 FBQ B 1 49 2 6 FDQ B 1 50 2 7 FHQ B 1 51 2 8 FUQ B 1 52 2 9 FAQ B 1 53 2 10 FDEQ B 1 54 Part 1 System Outline 1 45 Specifications ESIE05 04 2 2 Technical specifications FCQ B The table below contains the technical specifications Specification FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3B Heat exchanger Rows x stages x fin pitch 2x8x1 5mm 2x12x1 5 mm Face area 0 331 m 0 497 m Tube type HIXA diam
133. e rear side of panel to remove the corner cover receiver section 2697 2698 2 Installing the receiver section 1 Pass through the lead wire of the receiver section and insert the corner cover 2 Put the wire in the wiring groove on the hooking piece securely Hooking piece S2701 Part 5 Disassembly and Maintenance 5 77 Disassembly and Maintenance ESIE05 04 Step Procedure Points 3 Install the switch box and m When install the decoration the decoration panel panel be careful not to catch the lead wire 4 Insert the lead wire of the receiver section to connector X1A and bind the two wires with tie wrap 5 Set the dip switches B Setting the dip switches 6 Mount the transmission parts box with two screws after checking that the tie wrap is in the fixing position and the lead wire is caught with fixing part of tie wrap and can not come out 7 Insert the lead wire from Hooking piece 2702 the transmission parts Bacio he comecior Set the dip switches with same X24A on indoor unit conditions as those of the i transmission parts box removed M iR For details of setting refer to X24A on the indoor unit the i
134. e Le ene he et Sauer cena de Eds 2 4 Wired remote controller components oooccccccccc Ie 4 10 Wireless remote controller components ooocccccccccc eA 4 12 Wiring diagrams indoor units o oooococcccoccoc RR 1 61 Malfunction Code and LED Display Table Iridoor UN ote ye ctn II ee ge de dee REA VIR CREER Es 3s 3 28 SM rs d AUR onte Ded o edel e d cest ted oe leta 3 29 Malfunction of Capacity setting iii p em Get sake wags AEE SOM EIER EL E os elie kno 3 38 Drain Systeim saec deo o vehe Cae tentacle mtu Coo iets hae iom mere etal rane ite Gh eR can a 3 35 Drain Water level systemt itid cada eae neck dane E E teed dead i eon erede 3 33 Field Setting Switch sigimi intona eain eter E Deo wee Maree red d Le Bur era TAE seh e I yd 3 50 Indoor PCB at uper hah br der doen d Cen AU Deer ee Poe ee 3 32 Remote controller air thermistor oooooocooooocoooro rh 3 42 remote controller air thermistor 0 0 0 0 cc ne 3 43 Transmission between indoor and outdoor unit eee 3 46 Transmission between indoor unit and remote controller ooococococooooooo 3 48 Transmission between MAIN and SUB remote controller ooooococococooooo 3 49 Motor lock Ind or UNIAN ps 2 err o A p A a CR HE ed ut a 3 36 O Operation data ido a t b ger bts em Mp R o NAA Be 4 24 Outlook Indoor nitlS sax eth a A A A A add edes 1 3 P PGBS 4 d A Meee Geom a dett e d te Seeders 1 107 Printed Circuit Board PCB Indoor Unit
135. e Sensor System CC 3 43 Part 3 Troubleshooting 3 31 Error Codes ESIE05 04 2 2 Malfunctioning Indoor PCB Ai Error code Al LED indications The table below shows the LED indications Operation HAP green HBP green Normal 3 xk 3 xx 3 Malfunctioning rt e Error generation Causes Troubleshooting Caution The error is generated when the data from the EEPROM is not received correctly EEPROM Electrically Erasable Programmable Read Only Memory A memory chip that holds its content without power It can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to EEPROM is slower than writing to RAM The possible cause is a malfunctioning indoor PCB Switch the power off and on again to restart Replace indoor PCB Normal reset No Yes Y C The malfunction may be caused by an N external factor rather than damaged parts Locate the cause and correct the situation Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 32 Part 3 Troubleshooting ESIE05 04 Error Codes 2 3 Malfunction of Drain Water Level System 83 Error code H3 LED indications The table below shows the LED indications
136. e TEST button for at least 4 s to go to field set mode The display indicates the field set mode QON OFFN T DOWN qa FAN RESERVE CANCEL TIMER FILTER RESET TEST 2 Press the FAN button to select a multiple setting A b see Multiple settings A b further in this section Each time you press the button the display switches between A and b ON OFF i Hr mo TIME SETTING yp DOWN FAN FAN RESERVE CANCEL f b TIMER 4 6 Part 4 Commissioning and Test Run ESIE05 04 Pre Test Run Checks Step Action 3 Press the UP and DOWN buttons to set the address Set the same address as the receiver 1 2 or 3 The receiver does not work with addresses 4 5 and 6 WON OFF E ERE TEMP TIME UP DOWN SETTING Up DOWN es FAN TIMER RESERVE CANCEL e b MODE AS SWING 4 Press the RESERVE button to confirm the setting ON OFF i EO TIME UP DOWN e FAN RESERVE CANCEL N Y RESERVE MER ODE NG Part 4 Commissioning and Test Run 4 7 Pre Test Run Checks ESIE05 04 Step Action 5 Press the TEST button to qui
137. e connection Gas pipe connection Drain pipe connection Power supply connection Transmission wiring connection Air outlet Air suction grille Water supply intake for drain olol NI aJ oa AJ OJN Corner decoration cover o Drain hose Part 1 System Outline ESIE05 04 General Outline FCQ100 125B 1 3 The illustration below shows the outlook and the dimensions of the unit mm Outlook and Imensions d s10u JO WUIQ sseuxorui ureo euejAuje Apod p nb si uore nsur jeuorippe ue Bulao ay ojur pejonput SI JI useJj Jo Buijieo ay ui 08 HH pue 2 OE peeoxe suonipuoo ay ueuM y SIIEJ9P eJoui 104 Jej o33u09 SOLO SSAJSAM Y JO BuiweJp eui 0 Jejed 49416904 jeubis e aq I uonisod sly 49 ojju09 eyouie1 ssejeJlM e Bursn jo aseo ul e uonoauuos jonp uoueJg AYOW HO WU 002 SI JOWAS Qaulinoaug AHL Q3S019 SI MID 39uVHOSIQ IHL NAHM 39VdS NOILVTIVLSNI 034INO38 0 ed uonisod uoisuedsns uoinoeuuoo jonp youesg Buiuedo Buliag 9jou pasedald n oj5suuoo yonp uoueJg ajoy paredald 1 ajoy pasedaid ed uone esul joeurp uonoeuuoo 191 exe1ut 1e USO 104 sessasau si uod uonoedsuri ue 1equieuo np uoueJq ay 104 resseoeu si yod uornoedsur ue 7 Jeyy Aoueroue ufu eui 104 1essoooeu si uod uonoadsul ue 77 Wy exelul re useJj ay 104 sBulmesp uonej
138. e different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply Wiring Remote controller connection Air outlet Suction grille Corner decoration cover o NI oO a BR wo Pp Drain hose accessory Part 1 System Outline ESIE05 04 General Outline FCQ100 125 140D 1 5 The illustration below shows the outlook and the dimensions of the unit mm Outlook and Imensions d o zm D 0o 380N HO WW 002 SI 39YdS GAYINOAY IHL F g G4SO19 SI TIO 39OuHVHOSIG JHL N3HM E o 5 z o 3 2 ly E zis g ou JO uiuigogt s 8 ejou Jo O 2 z WWOOSL 9J0UJ x 10 WWOOS yeou 10 WWOOSL 3ovds aaulno3dge M3lA MOY 9 uonoeuuoo paqa yeu Jre JOOPINC MIA MOV A u0noauuos Pnp y9uelg 8104 PINS L R 8 04 vIA p MIA MOHHV 8 uonoeuuoo yonp youelg eJoul JO 00G 89 10 GE peinsue aq ued eouewo e deano jaued eui yey os Buiuedo ulao y pue yun urew ay ussmjeq SS JO WWGE jo eoueJeo o eui dee Buiuedo Buiieo eyenbs uiu L6 jo wnwxew o dn ajgejdaooe si uonejeisur ay uBnou p peuinbei s w104 u j jod 10 OOMSSEIB jo e1ou JO wwo sseuxolu1 uonensu euonippe ue uopesado 1noy pz senunuoo jun y Jo Buijieo y 04u pejonpui si Jre useJj eui JO 08 HH pue 9 0 peeoxe Hulla ay u Ajprunu p
139. e drain drain hose hose be sure to wear safety gloves to prevent your finger from injury with heat exchanger fin Remove the screw 4 Pull out the drain hose 5 Remove the drain pump S2663 S2664 5 60 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 10 Installation of Drain Pump Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Installing the drain pump 1 Put the lead wire in the wiring groove properly fix the drain pump ass y with screw and insert the drain hose Wiring groove S2665 Part 5 Disassembly and Maintenance 5 61 Disassembly and Maintenance ESIE05 04 Step Procedure Points 2 Insert the drain hose into Wi Inserting the drain hose should the hose plug of the drain be executed before installation pump up to the root of of float switch in order to plug securely prevent the float switch from damage m Put the tie wrap on the white line on the hose inserted White line VA 82667 3 Put the tie wrap on the hose B When inserting the drain hose be sure to wear safety gloves to prevent your finger from injury with heat exchanger fin S2668 5 6
140. e right 0 lower digit indication of the error code flashes dono so ED TIME RESERVE CANCEL TIMER MODE DE c 5O A SWING 3 24 Part 3 Troubleshooting ESIE05 04 Troubleshooting least 1 min the remote controller returns automatically to normal status ON OFF TEMP TIME RESERVE CANCEL TIMER MODE AX SWING Step Action 6 Press the UP or DOWN button and change the error code lower digit until the receiver of the remote controller generates a continuous beep m DOWN 7 Genres F E UP J DOWN t H i RESERVE CANCEL B TIMER 1 MODE 5 5 y 3 e T A UP 7 Press the MODE button to return to normal status If you do not press any button for at MODE Part 3 Troubleshooting 3 25 Troubleshooting ESIE05 04 1 7 Overview of Error Codes Malfunction Code Contents Processing Remarks Al Failure of PC board ass y for indoor unit A3 Malfunction of drain water level system A6 Indoor unit fan motor overload overcurrent lock Note 1 AF Abnormal drain water level Activation of float switch during compressor off AJ Failure of capacity setting Either capacity data is set incorrectly or capacity has not been set for the data IC C4 Malfunction of heat exchanger te
141. eat exchanger lassy 6 14 Wire harness 13 Drain pan assy 6 15 Wire harness 14 Bottom plate assy 6 16 Wire harness 15 Airfilter 6 17 Wire harness 16 Pipe fixing plate 6 18 PCB assy 17 Clamp 6 19 Locking guard spacer 18 Clamp 6 20 Terminal strip 19 Thermistor fixing 6 21 Thermistor Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 9 FDEQ71 100B Exploded view The illustration below shows the exploded view 1 16 3 wo 1 E 013777 mmm 16 4 1107 7 159 za 32 a 162 f v 16 m 168 16 1 f 19 5 18 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component 1 Top plate assy 10 Discharge plate assy 2 Suction plate assy 11 Bottom assy 3 Air filter 12 Filter holding plate 4 Fan assy 13 Hook 4 1 Fan top plate assy 14 Pipe support plate 4 2 Fan housing bottom large 15 Pipe sealing 4 8 Fan housing top large 16 Switch box assy 4 4 1 Rotor assy 16 1 Switch box cover assy 4 5 Fan motor assy 16 2 Switch box mounting plate assy 4 6 Fan motor stand 16 3 Resin case 4 7 Motor fixing plate assy 16 4 PCB assy 4 8 Capacitor 5 microf 16 5 Transformer 4 9 Cable holder 16 6 Terminal board 4 15 Hexagon socket screw 16 7 Terminal strip 5 Right side plate assy 16 8 T
142. ed according to the moisture output voltage detected by the moisture sensor When the moisture sensor is disconnected or short circuited m Faulty sensor B Disconnection Turn the power supply off once and back on Is the code CC displayed on the remote controller Yes Replace the moisture sensor PC board assembly A4P Problem could be caused by external 1 factor noise etc other than malfunction Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 43 Error Codes ESIE05 04 3 44 Part 3 Troubleshooting ESIE05 04 Error Codes System Malfunctions 3 X Error Codes System Malfunctions 3 1 What Is in This Chapter Introduction In the first stage of the troubleshooting sequence it is important to correctly interpret the error code on the remote controller display The error code helps you to find the cause of the problem Overview This chapter contains the following topics Topic See page 3 2 Malfunction of Transmission between Indoor and Outdoor Unit U4 or UF 3 46 3 3 Malfunction of Transmission between Indoor Unit and Remote Controller U5 3 48 3 4 Malfunction of Transmission between MAIN Remote Controller and SUB 3 49 Remote Controller U8 3 5 Malfunctioning Field Setting Switch UA 3 50 3 6 Centralized Addr
143. ed by the condenser side The following contents are provided by service engineer based on their field checks Further the number is listed in the order of degree of influence Check items Possible causes Judgment Does the outdoor unit fan run normally Visual inspection Is the outdoor unit heat exchanger clogged Visual inspection Is there clogging before or after the EV capil lary Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Is the check valve clogged Heat pump model only Check if there is a temperature difference before and after check valve gt If YES the check valve is caught Is the HPS normal Check continuity by using a tester Is the outdoor unit installed under such condi tions that short circuit easily occurs Visual inspection Is the piping length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Check items Possible causes Judgment Does the indoor unit fan run normally Visual inspection Is the indoor unit heat exchanger clogged Visual inspection Is the indoor unit
144. ed view The illustration below shows the exploded view 5 8 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component B1 Heat exchanger assy E21 Lock metal B1 1 Header assy E22 Single phase AC fan motor B1 1 1 Single union joint 3 8 E23 Vibro isolating bolt O ly for FFQ25and ARSS E24 Vibration isolator B1 1 1 Single union joint 1 2 E25 Drain pump ASSY Only for FFQ50 and FFQ60 E251 Drain pump B1 2 Liquid pipe assy E25 2 Drain pump mounting plate B1 2 1 Distributor E25 3 Mounting bolt B1 2 2 Single union joint 1 4 E25 4 Rubber vibration isolator B3 Flare nut E26 Float switch mounting plate assy B4 Flare nut E26 1 Float switch mounting plate C1 Turbo fan rotor E26 2 Float switch assy C2 Fan rotation stopper F1 Top plate assy C3 Insulation nut F2 Front plate sealing assy E1 Electric components assy F3 Localized die rear plate E2 Switch box assy F4 Localized die rear plate E3 Cover switch box F5 Localized die rear plate E4 Power transformer F6 Hanger metal assy E5 Printed circuit assy F7 Blind plate assy E5 1 Capacity setting adaptor F7 1 Grounding wire E6 Housing printed circuit F7 2 Grounding screw E7 Capacitor fan Motor F7 3 Locking wire saddle E8 Terminal block F8 H E m
145. el varies according to the combination system confirm engineering materials and catalogs etc before connecting 6 In case installing the drain pump M1P remove the jumper connector of X15A and execute the additional wiring for float switch and drain pump 7 Symbols show as follows RED Red BLK Black WHT White YLW Yellow PRP Purple GRY Gray BLU Blue 1 78 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Wired remote controller C1 Capacitor M1F R1T Thermistor Air F1U Fuse F5A 250V SS1 Selector switch Main Sub HAP Light emitting diode Service monitor green KAR Magnetic relay M1S Wireless remote controller Receiver display unit KPR Magnetic relay M1P A3P Printed circuit board M1F Motor Indoor fan A4P Printed circuit board M1S Motor Swing flap BS1 Push button ON OFF Q1M Thermo switch M1F embedded H1P Light emitting diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil 1 H3P Light emitting diode filter sign red R3T Thermistor Coil 2 H4P Light emitting diode defrost orange S1Q Limit switch Swing flap SS1 Selector switch Main Sub TIR Transformer 220 240V 22 V SS2 Selector switch Wireless address set V1TR Phase control circuit X1M Terminal block Connector for optional parts X2M Terminal block X15A Connecto
146. elector switch Main sub X1M Terminal strip X2M Terminal strip Connector for optional parts RC Signal receiver circuit X60A X61A Connector Interface adaptor for Sky Air US TC Signal transmission circuit series X33A Connector Adaptor for wiring Adaptor for wiring X35A Connector Group control adaptor RyC RyF Magnetic relay X40A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 73 Wiring Diagrams ESIE05 04 4 8 FBQ100 125B Wiring diagram The illustration below shows the wiring diagram of the unit 100 125 CLASS fe fey al indoor X XBA it BK d uu Eres it X504 uu 4 eo ia 4 500 HP p Details of Wired Optional accessory Remote DES _ON OFF HPS esi Forced OF AP re km Switch box soono g pomm m mn y 531 Notes 1 When using the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination System See technical materials and catalogues etc before connecting E J Remote Controller EN 3 a Operation Fan B NW Field wiring LI Terminal Es Connector s Wire lamp SA Protective earth screw Colors BLK Black BLU Blue GRY Gray ORG Orange RED Red WHT White BRN Brown Wired Remote Terminals for Operation Indicator Compressor Operation Adaptor f
147. elsui ay 0 19491 ossa euondo ue Bul jeysu USUM Z IMG uonons ay jo episui ay ye aue joued y uo jeued uorejoooq IMG uonons eu jo episut eui ye yow jeq eui uo Apog yun sajejdeweu ay jo uoneoo SJ LON Data s gt 3oq Buibuey uonoeuuoo yonp uoueJg ajou ees 4 9Jou pasedald Part 1 System Outline ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Transmission wiring connection Air discharge outlet Air suction grille Water supply intake for drain olol NI aJ oa AJ OJN Corner decoration cover o Drain hose Part 1 System Outline ESIE05 04 General Outline FCQ71D 1 4 The illustration below shows the outlook and the dimensions of the unit mm Outlook and Imensions d AYOW HO uuipoc SI 39WdS aauinoau JHL a3so019 SI TIlHO 39uvHOSIQ JHL N3HM LOL 10 LULIDOS ae roo uiuos 30VdS qaurnoaue peinsue aq ued eouewojje deano jaued y yey os Buiuedo Huiao eu pue yun urew ay uesm eq ssaj JO LUWGE Jo eouejeejo eui dee Huluedo Buried eyenbs uu Le Jo wnwxew o dn ejqejdoeooe si uonej eisui eui yBnoy y peuinbeau si uo eue Auie Ajod 10 joowsse D jo BOW JO ww
148. embly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Disconnect wires and connectors from PCB Heat exchanger thermistor ire o oe kh Suction air thermistor a SP A RES RSE i M Crain pump mn uU ya 240 terminal strip m E E I a E R 1 ARABES SMS supply PCB put DL T W Yo S m AO A Auf To power To connecting wire terminal strip Remote controller T terminal strip ihe Earth terminal for E li remote controller Earth Connecting wire LE Zi 51281 4 Arrange wire harness to avoid interference with next process 5 To dismount drain pan blocking plate remove each two mounting screws located at four corners 181282 Caution This work should be done by two personnel If drain water remain in the pan it may drop and stain on the floor Make sure to check if no drain water remain in the pan or cover the floor with vinyl sheet before disassembling work Part 5 Disassembly and Maintenance 5 103 Disassembly and Maintenance ESIE05 04 Step Procedure Points 6 Remove drain pan by pulling it down E Drain pan 151264 5 104 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenanc
149. enance ESIE05 04 Remove the drain pan retainer 2 screw amp 81261 5 92 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 13 7 Removal of Swing Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the screw from the right side panel Slide the right side panel toward the front and detach it Cut off the tie wrap of the swing motor connector Disconnect the connector from the swing motor connector Remove the screw from the swing motor The swing motor has two projections on it Lower the swing motor and take it out 51257 m When reassembling fit the horizontal blade shaft end to D shaped cul the D profiled bearing A Apply the tie wrap to the connectors to secure them in place Projections 81258 Part 5 Disassembly and Maintenance 5 93 Disassembly and Maintenance ESIE05 04 1 14 FUQ71 100 125B Overview This part contains the following topics Topic See page Removal of Air Filter 5 95 Removal of Suction Grille 5 96 Removal of Fan 5 98 Removal of Fan Motor 5 100 Removal of Drain Pan 5 102 Removal of Drain Pump 5 105 Removal of Swing Motor 5 107 Removal of Air Flow C
150. eplacement gt Operates normally Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 51 Error Codes System Malfunctions ESIE05 04 3 6 Centralized Address Setting Error UC Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution Vi Lu All indoor unit models Indoor unit microcomputer detects and judges the centralized address signal according to the transmission between indoor units When the microcomputer judges that the centralized address signal is duplicated m Faulty centralized address setting m Faulty indoor unit PC board Are devices relating to Centralized control connected to the indoor unit Change the setting so that the centralized address is not duplicated gt Replace the indoor unit PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 52 Part 3 Troubleshooting ESIE05 04 Additional Checks for Troubleshooting 4 Additional Checks for Troubleshooting 4 1 What Is in This Chapter Introduction This chapter explains how you must check the units to carry out troubleshooting correctly Overview This chapter contains the following
151. er is W 230V 10 2 Fully open the liquid and the gas stop valve Test run checks To carry out a test run check the following m Check that the temperature setting of the remote controller is at the lowest level in cooling mode or use test mode W Go through the following checklist Checkpoints Cautions or warnings Are all units securely installed m Dangerous for turning over during storm m Possible damage to pipe connections Is the earth wire installed according to the applicable Dangerous if electric leakage occurs local standard Are all air inlets and outlets of the indoor and outdoor m Poor cooling i units unobstructed Wi Poor heating Does the drain flow out smoothly Water leakage Is piping adequately heat insulated Water leakage Have the connections been checked for gas leakage Ig Poor cooling m Poor heating m Stop Is the supply voltage conform to the specifications on Incorrect operation the name plate Are the cable sizes as specified and according to local Damage of cables regulations Are the remote controller signals received by the unit No operation 4 4 Part 4 Commissioning and Test Run ESIE05 04 Pre Test Run Checks 1 3 Setting the Wireless Remote Controller Introduction To set the wireless remote controller you have to set the address for The receiver of the wireless remote controller The wireless rem
152. error code on remote controller YES YES Is the filter soiled Malfunction of fan motor Check the magnetic switch and aux switch for fan motor s there any item YES Cleaning disturbing airflow Is the heat YES Remove the disturbing item exchanger soiled Possible causes as follows Refrigerant overcharge Cleaning of the heat exchanger Mixing of air in refrigerant system Faulty pressure switch After vacuum drying charge correct amount of refrigerant Check the pressure switch 1992 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 6 Equipment operates but does not provide heating Applicable Model Error Detection Method Error Generating Condition Possible Cause All models of SkyAir series Excess charge of refrigerant Air intrudes into refrigerant system Faulty pressure switch Faulty magnetic switch for outdoor unit fan motor Faulty aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interfering item in air flow of outdoor unit Malfunction of outdoor unit fan Soiled air filter of indoor unit Soiled heat exchanger of indoor unit There is some interfering item in airflow of indoor unit Malfunction of indoor unit fan
153. ess Setting Error UC 3 52 Part 3 Troubleshooting 3 45 Error Codes System Malfunctions ESIE05 04 3 2 Malfunction of Transmission between Indoor and Outdoor Unit U4 or UF Error code Error generation Causes Troubleshooting 1 Caution The error is generated when the microprocessor detects that the transmission between the indoor and the outdoor unit is not normal over a certain amount of time The possible causes are B Wiring indoor outdoor transmission wire is incorrect mg Malfunctioning indoor unit PCB W Malfunctioning outdoor unit PCB Bi Outside cause noise Diagnosis of incorrect or broken disconnected wiring If the LEDs on the indoor unit PC board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected NO ON or OFF Is HAP flashing v Check of YES Turn the power supply off indoor unit once and then back on microcomputer normal HAP Is H1P flashing Failure of indoor unit PCB or malfunction of power supply System gt Resets normally Could be outside cause noise NO YES Is HAP flashing Failure of indoor unit PCB Check of YES indoor unit transmission Does malfunction i NO outdoor unit HBP microcomputer normal H1P flash indoor outdoor transmission wire connected
154. etainer 2636 3 Remove the fan motor 1 Disconnect the 2 connectors on the fan motor 2 Remove the nut with collar and vibro isolating runner to dismount the fan motor n Resin nut Vibro isolating rubber Nut with collar 82637 Part 5 Disassembly and Maintenance 5 37 Disassembly and Maintenance ESIE05 04 1 11 10 Removal of Drain Pan Drain Pump Float Switch Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the drain pan 1 Remove the drain socket cap to discharge water 2 Remove the 5 mounting screws to pull the drain pan out downward Drain socket cap 5 38 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Removing the drain pump Cut the clamp material 2 Pull the drain hose out 3 Remove the 3 screws on the drain pump mounting plate 4 Remove the 2 mounting screws on the drain pump 5 Displace the drain pump sideward to remove it Drain pump 52628 m When removing the drain pump cut the following clamp materials Clamp material securing the drain pump lead wire to the drain pump mounting plate Clamp material bundling the drain pump lead wire and float switch lead wire 3 Removing the float
155. etting the Filter Counter When the filter counter indication time is set to ON set the second code No according to the table below Unit Mode No First code No Second code No Contamination 01 02 light heavy FCQ 2500 hrs 1250 hrs FFQ 2500 hrs 1250 hrs FHQ 2500 hrs 1250 hrs FUQ 10 or 20 0 2500 hrs 1250 hrs FAQ 200 hrs 100 hrs FBQ 2500 hrs 1250 hrs FDQ FDEQ 2500 hrs 1250 hrs When the cool heat thermostat is OFF you can stop the indoor unit fan by switching the setting to thermostat OFF Fan OFF This setting is used as a countermeasure against odour for example for barber shops and restaurants You can switch the fan speed to the set fan speed when the heating thermostat is OFF This setting is called Set Fan Speed Default the fan speed is set LL to prevent cold draft Note That a combination of modes 11 21 and 12 22 is required to enable following settings Mode No First code No Second code No 12 22 3 01 02 03 12 21 2 01 Cool Set Speed Cool Set Speed Cool Set Speed Head LL Speed Head Set Speed Head Continu ously OFF Second code No 02 Cool OFF moni Cool OFF moni Cool OFF moni toring at set speed toring at set speed toring at set speed Heat OFF moni Heat Set speed Heat OFF moni toring at LL speed toring at OFF 4 16 Part 4 Commissioning and Test Run ESI
156. f the remote control sensor can be enabled by changing field setting 10 20 2 02 to 10 20 2 01 Conditions The table below contains the condition in which the remote control thermostat is not used Condition The remote controller thermostat is not used when 1 The remote controller thermostat malfunctions 2 Group control is used 3 The set temperature air suction temperature combination is out of range See below graph Cooling The diagram below shows the operation range of the set temperature air suction temperature combination in cooling operation 35 34 H 32 30 28 26 H 24 Lt 22 E 20 fi fi 12 14 16 Range in which thermostat Range in which body Differential sensor in remote controller thermostat sensor can can be used be used Example Assuming the preset temperature above is 24 C and the suction temperature has changed from 18 C to 30 C A gt F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 23 C A gt C Remote controller thermostat sensor is used for temperatures from 23 C to 27 C C gt E Body thermostat sensor is used for temperatures from 27 C to 30 C E gt F Part 2 Functional Description 2 11 Fun
157. g the switch box 1 Remove 2 switch box mounting screws to open the box 2628 mk a isconnect the control PC board 1 Disconnect the 2 connectors between the power supply and control PC boards then draw the control PC board out in the direction shown by the arrow 2 Disconnect the inverter PC board 1 Disconnect the harness from the 2 tabs provided in the box 2 Draw the inverter PC board out in the direction shown by the arrow Tabs 52631 Part 5 Disassembly and Maintenance 5 33 Disassembly and Maintenance ESIE05 04 Step Procedure Points 3 D isconnect the power supply PC board Disengage the 3 tabs on the front by pressing the back of the PC board in the direction shown by the arrow then remove the power supply PC board 52632 5 34 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 8 Removal of Humidity Sensor and Air Temperature Thermistor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the terminal block box cover according to the procedure for removing the switch box 1 Disconnect the m The moisture sensor and air connector for humidity temperature thermistor is sensor integrated 2 Disengage
158. ght emitting diode filter sign red M1S Motor Swing flap H4P Light emitting diode defrost orange R1T Thermistor Air SS1 Selector switch Main Sub R2T Thermistor Coil SS2 Selector switch Wireless address set S1L Float switch SS1 Selector switch Emergency Wired remote controller X1M Terminal strip R1T Thermistor Air X2M Terminal strip SS1 Selector switch Main Sub Z1C Noise filter Z2C Noise filter Connector for optional parts PC Power circuit X33A Connector Adaptor for wiring RC Signal receiver circuit X35A Connector Control adaptor TC Signal transmission circuit Part 1 System Outline 1 67 Wiring Diagrams ESIE05 04 4 5 FFQ25 35 50 60B Wiring diagram The illustration below shows the wiring diagram of the unit In case of simultaneous operation system Indoor unit Indoor unit Master Slave his dibit 20 E to Outdoor Unit XT L 2 89 to Outdoor Unit a ETT 12M cb H Remote 7 Controller ry neo EL ti 1 114 Erp 4 BJA TOT 042 PODLOG 1104 1 Hol A T A IOA 11 4 Connector discrimination colour for components Connector colour for components i 1 Connector colour for printed circuit board zi as z 34 Pu MA 3 gt SESE oa Note 3 A Em Receiver Display unit Notes 1 175 Terminal B Field wiring 2 2 In case using central remote controller connect
159. he Field setting mode Press the MODE button to select the desired Mode No Press the UP button to select the First code No Press the DOWN button to select the Second code No Press the RESERVE button to set the present settings Oo a AJOJN Press the INSPECTION TEST button to return to the Normal mode 4 12 Part 4 Commissioning and Test Run ESIE05 04 Field Settings 2 4 Field settings Overview of the Field Settings on the Indoor Units The table below contains the possible field settings of all indoor units Mode First Second code No No code No Description of the setting 01 02 03 04 10 or 20 0 Filter counter Light heavy contamination contamination 1 Filter type Long Super long External Oil mist 2 Remote thermistor of the TH1 rem TH1 air remote controller controller return 3 Filter display Filter indic No filter indic 11 or 21 Number indoor to 1 outdoor Pair Twin Triple Double twin 1 Unified or indiv set twin Group setting Indiv setting 2 Fan OFF at thermostat OFF LL speed OFF 12 or 22 0 KRP1B51 52 53 X1 X2 output Thermostat Option Operation Malfunction ON 1 EKRORO Forced OFF ON OFF oper ation 3 Fan speed heating thermostat LL speed Set speed Continuously OFF OFF 5 Automatic restart Disabled Enabled
160. he resin nut and m For removal of switch box rotation stopper to referto the Removal of Switch dismount the fan rotor Box on page 5 53 2 Remove the resin nut with spanner 3 Pulldown the fan rotor slowly Caution When tighten or loosen the fan rotor fixing resin nut hold the base of the fan gt see detail below O yp Rotation stopper Resin nut 2655 Part 5 Disassembly and Maintenance 5 55 Disassembly and Maintenance ESIE05 04 Step Procedure Points 4 Make sure to hold the hub as shown in Fig 1 when tightening or loosening the fan fixing nut with a spanner To avoid deformation and vibration of the fan do not apply excessive torque to the shroud the slash part of Fig 2 Note There is no problem to hold the shroud when carrying Shroud or lifting the fan Fig 1 Fan fixing method Fig 2 Do not apply excessive torque to the area shown in slash IX gt S2764 2 Removing the fan motor 1 Disconnect the harness connector for motor from the motor Y 2 Remove the three washer faced bolts S2656 5 56 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Pull down the fan motor slowly Part 5 Disassembly and Maintenance 5 57 Disassemb
161. hermostat OFF Flap moves from setting position to PoO Defrosting The time chart below illustrates the draft avoidance control 1 in defrosting When the flap starts to move there can be a draft The fan speed decreases to LL Setti speed but it takes some time because of Fan etting zT its inertia Off bum Rs cms Setting ee a l Po0 Flap Poo Lo TEE m o0g Flap motor starts Ves Hou to drive the flap Defrosti Ing OMM EET Flap moves from setting position to PoO Used inputs The draft avoidance control 1 uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Limit switch for flap 33S No of fan turns X26A Outdoor heat exchanger thermistor defrost control R2T 2 20 Part 2 Functional Description ESIE05 04 Functional concept 1 16 Draft Avoidance Control 2 Purpose The purpose of the draft avoidance control 2 is to avoid draft when the flap is moving Starting conditions The draft avoidance control 2 is activated when Wi Hot start is finished or m Cold air prevention control is finished Time chart If the fan speed is set to H the fan turns at low speed for a certain amount of time E H an L OFF LL Flap Setting T 24s FCQ T 5s Po0 Hot start finished Used input Draft avoidance control 2 uses the following inputs Input Connection on Connecti
162. ht 18 Hanger bracket 32 6 PCB assy 19 Drain pan assy 32 7 Air thermistor 19 1 Drain socket cap 32 8 Power supply transformer 20 Heat exchanger assy 32 9 Fan motor capacitor 20 1 Distributor with filter assy 32 10 Terminal for remote controller 20 2 Single union joint 32 11 Terminal for power supply 20 3 Single union joint 32 12 Wire harness 20 4 Flare nut 32 13 Wire harness 20 5 Flare nut 32 14 Tie wrap with clip 21 Air filter assy 32 15 Capacity setting adaptor FBQ60 22 Service cover assy 33 Thermistor liquid 23 Drain pump fixing plate 34 Thermistor coil FBQ60 24 Service cover cap assy 35 Thermistor fixing blade 25 Drain pump 36 Metal clamp 26 Float switch 37 Drain hose 27 Drain hose assy 38 Insulation for joint gas 28 Vibration absorber 39 Insulation for joint liquid Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 7 FBQ100 125B Exploded view The illustration below shows the exploded view Switch box 22 e wn z 5 E 8 9 o wn oO n 5 3 8 CEN N a lt c 8 E 2 8 E A a t os Fan assy 318 4 44 43 4 37 31 3 313 318 jg ffs 31 13 4 312 311 317 M2 3112 3111 319 314 3141 5 14 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains
163. ide the required operation status of the system Thermostat control Cooling mode Set point 0 5K l Thermostat ON Heating mode Set point 0 5 K Thermostat ON Cool heat changeover in automatic mode Set point 2 K l Automatic cooling Automatic heating o og 5 55a K Preventing The thermostat control prevents the thermostat from turning OFF in the following conditions thermostat OFF th m For the 2 5 minutes after operations starts or conditions W Defrosting or m Forced operating mode or W Within the first 6 hours after power ON initial operation for the first 10 minutes See note Note To protect the compressor make sure to turn on the power supply 6 hours before starting operation 2 16 Part 2 Functional Description ESIE05 04 Functional concept 1 13 Drain Pump Control Purpose Control the water draining from the drain pan Starting conditions The drain pump control starts the drain pump motor when one of the following conditions is fulfilled m Cooling operation is activated W Abnormal high water level is detected in the drain pan Normal control In normal control the drain pump is turned ON at compressor starting and turned OFF 5 minutes after the compressor has stopped residual operation y 5min I I I I ON Drain pump OFF I I I ON Compressor OFF Float switch When an abnormal drain level is detected in the drain pan the float switch opens
164. ie wrap with clip L2140 6 Left side plate assy 16 9 Wire harness X2M X27A 7 Heat exchanger assy 16 10 Wire harness X1M X5A 7 1 Distributor with filter assy 16 11 Blind rubber butching 7 2 Single union joint 3 8 16 12 Thermistor air 7 3 Flare nut 3 8 16 13 Thermistor liquid 7 4 Single union joint 5 8 17 7 5 Flare nut 5 8 18 8 Drain pan sealing assy 19 9 Drain pan fixing 20 Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 10 FDEQ125B Exploded view The illustration below shows the exploded view 1 la D 169 T m2 5 20 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component 1 Top plate assy 7 5 Flare nut 5 8 2 Suction plate assy 8 Drain pan sealing assy 3 Air filter 9 Drain pan fixing 4 Fan assy 10 Discharge plate assy 4 1 Fan top plate assy 11 Bottom assy 4 2 Fan housing bottom small 12 Filter holding plate 4 3 Fan housing top small 18 Hook 4 4 1 Rotor assy 14 Pipe support plate 4 4 2 Rotor assy 15 Pipe sealing 4 4 2 Rotor assy 16 Switch box assy 4 5 Fan motor assy 16 1 Switch box cover assy 4 6 Fan motor stand 16 2 Switch box mounting plate assy 4 7 Motor fixing plate assy 16 3 Resin case 4 8 Capacitor 5 microf 16 4 PCB
165. in this part Part 1 System Outline This part contains the following chapters Chapter See page 1 General Outline 1 3 2 Specifications 1 45 3 Functional Diagrams 1 55 4 Wiring Diagrams 1 61 5 Switch Box Layout 1 95 6 PCB Layout 1 107 Part 1 System Outline 1 1 ESIE05 04 Part 1 System Outline ESIE05 04 General Outline 1 General Outline 1 1 What Is in This Chapter Introduction This chapter contains the following information on the indoor units Wi Outlook and dimensions BW Components General outline This chapter contains the following general outlines General outline See page 1 2 FCQ35 50 60 71B 1 4 1 3 FCQ100 125B 1 6 1 4 FCQ71D 1 8 1 5 FCQ100 125 140D 1 10 1 6 FFQ25 35 50 60B 1 12 1 7 FBQ35 50B 1 14 1 8 FBQ60 71B 1 16 1 9 FBQ100 125B 1 18 1 10 FDQ125B 1 20 1 11 FDQ200 250B 1 22 1 12 FHQ35 50B 1 24 1 13 FHQ60 71B 1 26 1 14 FHQ100B 1 28 1 15 FHQ125B 1 30 1 16 FUQ71B 1 32 1 17 FUQ100 125B 1 34 1 18 FAQ71B 1 36 1 19 FAQ100B 1 38 1 20 FDEQ71 100B 1 40 1 21 FDEQ125B 1 42 Part 1 System Outline 1 3 ESIE05 04 General Outline FCQ35 50 60 71B 1 2 mm The illustration below shows the outlook and the dimensions of the unit Outlook and Imensions d sO JO uiuup sseuxopiul ureo euejAuje Apo
166. ing seessssesses 3 38 2 7 Thermistor Abnormality seeseeee 3 40 2 8 Malfunctioning Remote Controller Air Thermistor CJ 3 42 2 9 Malfunctioning of Moisture Sensor System sss CC 3 43 3 Error Codes System Malfunctions 3 1 What Is in This Chapter ssssssssseeeeeeeenernenene 3 45 3 2 Malfunction of Transmission between Indoor and Outdoor Unit U4 or UF ieii certet een tee 3 46 3 3 Malfunction of Transmission between Indoor Unit and Remote Controller US 2 aa eges 3 48 3 4 Malfunction of Transmission between MAIN Remote Controller and SUB Remote Controller 3 49 3 5 Malfunctioning Field Setting Switch 3 50 3 6 Centralized Address Setting Error 3 52 Table of Contents ESIE05 04 4 Additional Checks for Troubleshooting 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 What Is in This Chapter sss 3 53 Indoor Unit Checking the Fan Motor Hall IC 3 54 Indoor Unit Checking the Power Supply Wave Form 3 55 Checking the Thermistors esee 3 56 Resistance Conversion Table Ambient Coil Fin 3 57 Evaluation of Abnormal High Pressure Evaluation of Abnormal Low Pressure sssseeeee IGI vi Table of Contents ESIE05 04 Part 4 Commissioning and Test Run 1 Pre Test Run
167. ing 1 3 Overview Overview of General Problems Equipment Condition Remedy 1 Equipment does not operate See page 3 6 2 Fan operates but compressor does not See page 3 8 3 Cooling heating operation starts but stops See page 3 10 immediately 4 Equipment operates but does not provide See page 3 12 heating 7 Equipment discharges white mist See page 3 14 8 Equipment produces loud noise or shakes See page 3 15 9 Equipment discharges dust See page 3 16 10 Remote controller LCD displays 88 See page 3 17 11 Indoor swing flap does not operate See page 3 18 12 Equipment emits odor Room smell and cigarette odors accumu lated inside the indoor unit are discharged with air Inside of the indoor unit must be cleaned 13 Flap operates when power is turned on It is normal The flap initializes for accurate positioning 14 Change of operation mode causes flap to It is normal There is a control function that move moves the flap when operation mode is changed 15 Fan operates in M mode during heating It is normal It is caused by the activation of even if remote controller is set to Low the overload control airflow shift control 16 Flap automatically moves during cooling It is normal It is caused by the activation of the dew prevention function or ceiling soil ing prevention function 17 Indoor unit fan operates in L mode for 1 It is n
168. ing Diagrams 4 Wiring Diagrams 4 1 What Is in This Chapter Introduction This chapter contains the wiring diagrams of the indoor units Indoor units This chapter contains the following wiring diagrams Wiring diagram See page 4 2 FCQ35 50 60B 1 62 4 3 FCQ71 100 125B 1 64 4 4 FCQ71 100 125 140D 1 66 4 5 FFQ25 35 50 60B 1 68 4 6 FBQ35 50 60B 1 70 4 7 FBQ71B 1 72 4 8 FBQ100 125B 1 74 4 9 FDQ125 200 250B 1 76 4 10 FHQ35 50 60B 1 78 4 11 FHQ71 100 125B 1 80 4 12 FUQ71 100 125B 1 82 4 13 FAQ71B 1 84 4 14 FAQ100B 1 86 4 15 FDEQ71B 1 88 4 16 FDEQ100B 1 90 4 17 FDEQ125B 1 92 Part 1 System Outline 1 61 Wiring Diagrams ESIE05 04 4 2 FCQ35 50 60B Wiring diagram The illustration below shows the wiring diagram of the unit F 087V1 035 50 608 A an ins hee outdoor pu Seen Note 3 L Receiver Display unit Wired remote controller E Sm 1 Terminals for Operation 1 Use copper conductors only to the unit 33 Indicator M Er Fi Fan Operation 3 hi A 1 Y Compressor Operation oc 13 AW oc HH AJO 52 1u nil Cy 9 5 ls 5 gt Remote La 5 XM s A Adaptor for controller 2 g WE Field wiring Colors 1 Es Connector BLK Black gt gt Ses 9 Wire lamp RED Red BY L_AP IW Protective earth
169. ing to the Left 0 00 0 e a ee 5 121 Removal of Air Filter and Front Panel 0 0 0 0 0 cece cee eens 5 112 Removal of Air Swing Motor ocooccccoccoccocco ee 5 120 Removal of Fan Motor and Fan Rotor n nasan 00 c cece eet eee 5 119 Removal of Heat Exchanger 0 0 c cc nn 5 118 Removal of the horizontal blade and vertical blade 5 115 FAQ71BUV1B Removal of Electrical BOX diete ken Opa x ICE and etd e X e petal edd oe ETE 5 117 Removal of Front Grille a du iva ns a a SERA NEL Ur ane tette eR to d ja 5 114 Index ESIE05 04 FCQ71 140D Removal of Air Filter nee Aa E Lae Ve MER aS Pe De en eee 5 24 Removal of Decoration Panel zen erre tig a ad Parcells SET E 5 26 Removal of Drain Pan Drain Pump Float Switch 0 0 0 0 eee eee 5 38 Removal of Fan MOlor 24 a oreet di D A e A ae 5 36 Removal of Heat Exchanger Temperature Thermistor 0 000000000 ee ooo 5 41 Removal of Horizontal Blad 3 es cata towne id HR b eo eir ed e e es Rees 5 28 Removal of Humidity Sensor and Air Temperature Thermistor ococcocccccccoco oo 5 35 Removal of PG Board a ons ERU Ad er Ente Ld C e ERU 5 33 Removal of Suction Grilla Eo rece RUF BU SE e esae E hae Salt telo s 5 23 Removal of Swing Motor ua seek me ek nei RED Um RO a e pi Ree e eie 5 29 Removal of Switch BOX cinia a ess gea ai hh 5 31 FFQ35 60B Installation of drain pump 2 ssec Depa dt it
170. ing work Procedure Step Procedure Points m Remove the fan rotor according to the procedures for removing the fan rotor and fan motor 1 Remove the left side panel installation screw Left side panel 51253 left side panel 51254 Part 5 Disassembly and Maintenance 5 89 Disassembly and Maintenance ESIE05 04 Step Procedure Points Slide the left side panel toward the front of the unit and remove 3 Remove the 2 bearing installation screws and remove the bearing 81255 5 90 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 13 6 Removal of Bottom Panel and Drain Pan Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the 7 bottom panel installation screws 2 each on the left and right 3 in the rear and remove the bottom panel Let down the rear of the bottom panel push out toward the front removed from the hooking part and remove 1259 512607 Remove the rear surface screws 2 each on the left and right and remove the center screw while supporting the bottom panel from underneath Bottom plate 3 52765 Part 5 Disassembly and Maintenance 5 91 Disassembly and Maint
171. ion Cooling Heating Operation Starts but Stops Immediately llle esee 3 10 Equipment Discharges DUSt oooccoccccoccocco ee 3 16 Equipment Discharges White Mist 0 0 000002 cece RII 3 14 Equipment does not Operate o oooococcoccoccoccnn rne 3 6 Equipment Operates but does not Provide Heating 0 00 e eee eee eee eee 3 12 Equipment Produces Loud Noise or Shakes 0 000 eee eee eee esee 3 15 Indoor Fan Operates but Compressor does NOt oococcocccoccoc rnanan nnn 3 8 Remote Controller LCD Displays 88 0 0 000002 ccc cece eee 3 17 Swing Flap does not Operate 02 6 eee 3 18 Troubleshooting by LED Indication on the Indoor Unit lille 3 27 Troubleshooting by Remote Controller Display LED Display 0 0 3 28 U PEE 3 46 WS se eiua eee du ern icto d am tlebu I esie ad apa ndis pidum Apta autre M eode gt Peta ENS 3 48 UB a3 oie pubs DR rm e anpra UI ursa ut Eure em eur s 3 49 UA ui Sate paddies Bad eh eru eie war neu dl dee PI QUY et mE E I 3 50 UC x dass E O use Reed Lees tua eub Geen ert s 3 52 UP I ei A ht ea eM e eaten ieu ste tede a EAA 3 46 Index ESIE05 04 W Wiring diagrams Indoor units vi Index
172. ir temperature e BR E x00 a thermistor O into the slit AS r3 a O of switch box Then check that it is Connector X15A GTie wrap for 4 for float switch cable of transformer OFan motor lead wire X20A connected to the 82690 connector X19A Part 5 Disassembly and Maintenance 5 73 Disassembly and Maintenance ESIE05 04 Step Procedure Points 3 Re connect the outdoor m Be sure to fix the lead wire to unit connection wire the be connected to the connector earth wire and wire of X10A for low tension cable of Power remote controller as they transformer transformer to the switch box were and fix them with tie wrap securely with tie wrap The tie wrap is used for Only when install the preventing the wire from switch box contact with a hot part on the PC board PC board Terminal of outdoor unit connection wire Outdoor unit connection wire and earth wire Tie wrap 2691 3 nstalling the decoration panel 1 Put the two holes on the decoration panel to the panel mounting screws and slide the panel turn the stoppers to prevent the panel from falling down then install the remainder two screws B When installing the decoration panel be careful not to catch the lead wire S2693 5 74 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Insert the
173. ircuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 102 Part 1 System Outline ESIE05 04 Switch Box Layout 5 9 FUQ71 100 125B The illustration below shows the switch box layout PCB TIR X2M X1M C1R Item Description PCB Printed circuit board TIR Transformer C1R Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 103 Switch Box Layout ESIE05 04 5 10 FAQ71B The illustration below shows the switch box layout X2M PCB X1M Item Description PCB Printed circuit board X1M Terminal strip for remote control P1 P2 F1 F2 T1 T2 X2M Terminal strip interconnection wiring 1 104 Part 1 System Outline ESIE05 04 Switch Box Layout 5 11 FAQ100B The illustration below shows the switch box layout PCB X1M Item Description PCB Printed circuit board X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 105 Switch Box Layout ESIE05 04 5 12 FDEQ71 100 125B The illustration below shows the switch box layout TIR X2M T1M Item Description PCB Printed circ
174. iring TIR Transformer 230V 21 8V RyC RyF Magnetic relay X1M Terminal strip RC Signal receiver circuit Connector for optional parts TC Signal transmission circuit X60A X61A Connector Interface adaptor for Sky Air US series Wired remote controller X33A Connector Adaptor for wiring BS1 ON OFF button X35A Connector Group control adaptor BS2 Timer mode start stop button X40A Connector Remote ON OFF Forced OFF BS3 BS8 Programming time button Part 1 System Outline 1 77 Wiring Diagrams ESIE05 04 4 10 FHQ35 50 60B Wiring diagram The illustration below shows the wiring diagram of the unit In case of simultaneous operation system Indoor unit Indoor unit Master Slave 5 o m T 1 3 Y 4 o iw TREE 7 AXI eI n Connector discrimination colour for components LJ Remote Connector colour for components Controller 24 Connector colour for printed circuit board to Outdoor Ay Unit 1 he j i 1 HTE Wired Remote Ch coy Controller 2 Cote i Orin ere DUDO E park ES 4 I I SL 225 vv 146 p a ki 1 570 0 Terminal oo 1 E Connector 2 Field wiring 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual 4 X24A is connected when the wireless remote controller kit is being used 5 Remote controller mod
175. itting diode defrost orange X2M Terminal block SS1 Selector switch Main Sub PS Power supply SS2 Selector switch Wireless address set RC Signal receiver circuit TC Signal transmission circuit Connector for optional parts X15A Connector Float switch Wired remote controller X35A Connector Group control adaptor R1T Thermistor Air SS1 Selector switch Main Sub Part 1 System Outline 1 85 Wiring Diagrams ESIE05 04 4 14 FAQ100B Wiring diagram The illustration below shows the wiring diagram of the unit In case of simultaneous operation system Indoor unit Indoor unit Master Slave Remote Controller ie to Outdoor Unit _ 1 09 Wired Remote PM s Controller AL om e P RET Din to Outdoor s 51191 Unit uw KD is Control box Notes 1 GEE 1 Ha Terminal eyes 35 LA r Connector 2 J Field wiring 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual 4 X24A is connected when the wireless remote controller kit is being used 5 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 6 Symbols show as follows RED Red BLK Black WHT White YLW Yellow ORG Orange GRY Gray PRP Purple BLU Blue Confirm the method of setting the selector switch SS1 SS2 by installation manu
176. ivation or fault of overcurrent relay for fan motor Faulty overcurrent relay for compressor Faulty compressor protection thermostat Insufficient insulation in electric system Faulty contact point of magnetic switch for compressor Malfunction of compressor Defective remote controller or low batteries wireless Check if address is set correctly on wireless R C Part 3 Troubleshooting ESIE05 04 Troubleshooting Troubleshooting Is power Switch OFF or fuse for power switch blown YES Turn on power switch or replace fuse If high harmonics circuit breaker is not used on inverter compressor have the circuit breaker replaced Wait until power returns Is there power failure NO Is Operation switch pressed repeatedly Is thermostat changed and reset again NO YES Normal Equipment starts operation 3 minutes later 3 min standby Is Operation lamp ori LCD remote controller flashing Diagnose based on error code on remote controller YES Normal Equipment starts operation 3 minutes later 3 min standby Wireless remote controller Is operation lamp on indoor unit signal receiving section flashing YES Diagnose based on error code on remote controller Possibly faulty electric component Check electric system 2575 Caution occurred Be sure to turn off powe
177. ja m Bursn jo aseo uz eoeds peunbeu SJOLU owahi ujnoui oq uo ajejd eureu s run jo uogeoo SALON 1exoeJq uoisuedsns jo YybI9H L QE yoq uoisuedsns uonisod uoisuedsng ii 910N aso 10 wwoeg si eoeds p nb eu 1116 aBseyosip aul Burso o ueuMw z 910N d eureu pueug yonpoid eui jo eoeyns do ay WO LUWOSE oi dn pesreJ eq ueo edid ureq ol JO idi Buidid spiemdn 1891 10 01890 10 uoreoo uonoeuuoo uonoeuuoo ueq ureiq eoeds pauinboy Part 1 System Outline 1 32 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Air outlet Air suction grille Corner decoration cover Right pipe and wiring connection Rear pipe and wiring connection olol NI aJ oa AJ OJN Cover for upwards pipe and wiring connection o Accessory drain elbow Part 1 System Outline 1 33 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm a LO N YT o e Y S LL t ac x o N 9 T 5 T o Imensions d 910N aso 10 WwOE si eoeds p nb ay 1116 abreyosip ay Burso o uauM SOUL 10 mm woi uonisod uorsuedsns S L 9J0UJ JO
178. l Description Functional concept ESIE05 04 1 5 Simulated Operation Function Outline When a malfunction on one of the below thermistors occurs operation will continue while displaying the applicable alarm on the remote controller Fin thermistor malfunction is only displayed when pressing the Inspection button on the remote controller Sensors Outside temperature thermistor Outdoor heat exchanger thermistor Fin thermistor Discharge pipe thermistor Indoor unit air suction thermistor Indoor heat exchanger thermistor Remark Simulated operation will not be conducted in case the low pressure sensor or suction thermistor is malfunctioning 2 8 Part 2 Functional Description ESIE05 04 Functional concept 1 6 Restart Standby Outline To prevent the compressor from frequently turning ON and OFF and allow pressure equalization forced thermostat OFF will be conducted for 3 minutes after compressor stopping compressor guard timer Graph Restart standby Thermostat OFF complete Compressor ON i OFF Moves to Stop or Electronic expansion valve OFF Starting control after completion of Restart standby L Oudoor unit fan OFF 1 Residual operation gt i For 3 minutes Part 2 Functional Description 2 9 Functional concept ESIE05 04 1 7 Automatic Restart Purpose The purpose of the auto restart function is to automatically resume the same
179. lated OR Wi Indoor coil temperature lt A C for 1 minute continuous i B Compressor is running for minimum 8 minutes since operation start or end of previous freeze up cycle Freeze Prevention Freeze prevention stop decided by the indoor unit factory setting stop conditions Wi Indoor coil temperature gt 7 C for 10 minutes continuous Parameters FAQ FHQ All except FAQ amp FHQ A 1 C 3 C 5 C 2 14 Part 2 Functional Description ESIE05 04 Functional concept 1 11 PMV Control Applicable units All inverter R410A sky air Outline When the automatic mode is selected on the remote controller the unit will automatically activate the PMV control The PMV index is a calculated average comfort level Refer to ISO 7730 for details Function An optimized indoor temperature will be calculated using the following inputs m Outdoor air temperature m Indoor air temperature W Remote controller set temperature In practice the set point will be moved with 1 or 2 degrees whenever the conditions change This will result in a combination of power saving and increased comfort level PMV control can be disabled by changing the field settings From 11 21 4 01 to 11 21 4 02 Part 2 Functional Description 2 15 Functional concept ESIE05 04 1 12 Thermostat Control Purpose Based on the information received from the air return sensor the thermostat control will dec
180. le causes are Wi Malfunctioning indoor or outdoor unit PCB W Malfunctioning power supply PCB m Indoor outdoor indoor indoor unit transmission wiring Wi Malfunctioning remote controller wiring 3 50 Part 3 Troubleshooting ESIE05 04 Error Codes System Malfunctions Troubleshooting Is the remote control YES connected to more than gt Connect the remote controller one indoor correctly unit Is the NO outdoor unit used for Check setting No of Connected Twin system Twin System Indoor Units of indoor unit Is the setting of NO Pair Twin Triple set gt Set correctly correctly Are the microcomputer normal indoor indoor and NO monitors HAP of all indoor outdoor jumper Connect correctly indoor unit PCB correctly flashing connected Is the power supply PCB correctly Connect correctly Are the connected transmission normal montiors HBP of all indoor unit PCB flashing Is there 220 240 VAC NO between No 1 and No 3 of Replace the transformer X2M indoor Unit Turn the power off once then back on and restart operation Wiring could be incorrect l recheck indoor indoor and NO Operating normally indoor outdoor jumper Connect correctly correctly connected Indoor unit PCB r
181. lead wires of swing flap to the connector on the PC board 3 Install the cover of switch box and the grille Part 5 Disassembly and Maintenance 5 75 Disassembly and Maintenance ESIE05 04 1 12 14 Replacement of Receiver Section of Wireless Remote Controller Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the receiver section 1 Remove two screws of the transmission parts box to remove the box Cut the tie wrap fixing transmission parts box and harness and disconnect the connector X1A Disconnect the lead wire of the transmission parts box from the connector X24A on the indoor unit PC board Transmission parts box pf e oj Tie wrap S2695 5 76 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 4 Removing the decoration panel Lead wire of receiver section m Refer to Removal of uem Decoration Panel 5 Pull out the lead wire of receiver section from wiring groove Push three claws to remove the corner cover 6 Push three claws on th
182. low rate cooling high 11 5 m3 min 14 0 m3 min 19 0 m min 19 0 m min 27 0 m min 35 0 m min Air flow rate cooling low 9 0 m min 10 0 m min 14 0 m min 14 0 m min 20 0 m min 24 0 m min Air flow rate heating high 11 5 m9 min 14 0 m3 min 19 0 m min 19 0 m min 27 0 m3 min 35 0 m min Air flow rate heating low 9 0 m min 10 0 m3 min 14 0 m min 14 0 m min 20 0 m min 24 0 m min Qty x model rotor 1x QD18G3BM 2 x QD18G2BM 3x QD18G2BM Qty x model motor 1x CA 0513D 1x CA 0514D 1x CA 0515SEK 1x A37P135G20 Fan speed 2 steps direct drive 3 steps direct drive Fan type Sirocco Refrigerant Type R410A Safety and functional devices Inline fuse 250V 5A m Fan motor thermal fuse 152 C Air filter Resin net with mold resistant Temperature control Computerized control Microprocessor thermostat for cooling and heating Weight Unit 30 kg 31 kg 41 kg 41 kg 51 kg 52 kg Electrical The table below contains the electrical specifications specifications Specification FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B Unit Phase 1 Voltage 230 V Frequency 50Hz Power consumption E Nominal running current ES Fan motor FLA Full Load Amps 0 5A 0 7A 0 9A 1 0A No of motors x output 1x65W 1x85W 1x125W 1x125W 1x135W 1x225W Part 1 System Outline 1 49 Specifications ESIE05 04 2 6 FDQ B Technical The table below contains the te
183. ly and Maintenance ESIE05 04 1 12 8 Removal of Drain Pan Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the drain socket to drain water from the drain hole 2 Remove the 4 mounting Screws to remove the drain pan m Remove the drain socket to drain water from the drain hole Wi l water is in the drain pan it can spill and wet the floor Drain water completely or cover the floor with a vinyl sheet before removing the drain pan S3 Pull down the drain pan straight down S2659 5 58 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 9 Removal of Drain Pump Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the drain pump 1 Remove two screws fixing float switch ass y Screw and Remove the float switch ass y Screw S2660 m Remove the float switch before removing drain pump in order to prevent the float switch from damage Part 5 Disassembly and Maintenance 5 59 Disassembly and Maintenance ESIE05 04 Step Procedure Points S3 Cut the tie wrap fixing the B When pulling out th
184. mbling work Procedure Step Procedure Points 1 Push the 2 tabs of the fan housing toward the inside with your fingers and pull out the fan housing Fan housing 51248 5 86 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 2 Loosen the 2 hexagon set screws of the intermediate bearing Intermediate bearing 151248 3 Slide the intermediate bearing to the right and remove the fan rotor ass y 1280 Part 5 Disassembly and Maintenance 5 87 Disassembly and Maintenance ESIE05 04 Step Procedure Points 4 Cutoff the tie wrap of the m Aconnectors glass tube cover over the Connector 1 handles high fan motor connector Slide the glass tube and get the connector exposed 5 Disconnect the 2 fan motor connecting voltage 220 240 V so be sure to turn of the power supply before disconnecting connectors 6 Remove the 2 fan motor fasteners Glass lube 51251 7 Remove the fan motor Wi Finally reconnect the fan P motor connector cover it with j the glass tube and secure it with the tie wrap 51252 5 88 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 13 5 Removal of Fan Bearing Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembl
185. mbly and Maintenance 5 113 Disassembly and Maintenance ESIE05 04 1 15 2 Removal of Front Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front panel in accordance with Removal of Front Panel 1 Remove three pieces of i front grille fixing screws Sa A x es x Front griba 2 Remove the front grille by Wi lf hard to remove try to push pulling forward while aa S the hooks by a screwdriver or pushing three hooks Le by ae the like to remove x 3 located at upper part of the grille one by one 3 The front grille can be removed by pulling forward and lift the bottom part Front grillo m Make sure that the three hooks are set on the original position when reinstalling the front grille 5 114 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 15 3 Removal of the horizontal blade and vertical blade Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the horizontal blade 1 Open the horizontal blade 2 Bend the horizontal blade slightly to disengage the fixing part at right side 3 Pull the horizontal blade rightward and take it out Part 5 Di
186. move the main unit m Remove side panels operation display cover and front cover according to their removal procedures 1 Remove the bottom panel 2 Remove the air discharge Installation plate The bottom panel is fastened to the unit installation plate by 3 Screws Installation plate Air discharge Bottom panel section 81321 section 12 Bottom panel 3 Aur discharge section E E oss i P d Comes off if squeezed hard 81322 5 130 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Remove the air discharge Center of air discharge section unit also screw fastened 7 screws Z 4 Remove the drain pan 1 Pull left side toward yourself 2 Move the drain hose to the right until it comes off 51324 Part 5 Disassembly and Maintenance 5 131 Disassembly and Maintenance ESIE05 04 1 16 8 Removal of Heat Exchanger Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Before dismounting a heat exchanger make sure to 1 Dismount top plate 2 Remove the 3 setting screws for heat exchanger and one screw for pipe fixing box Top pl proceed pump down op plaig Hi refrigera
187. mperature sensor system C5 Malfunction of gas piping temperature sensor system C9 Malfunction of suction air temperature sensor system CC Malfunction of humidity sensor system FCQ D only CJ Malfunction of remote control air temperature Failure of remote controller air thermistor sensor system Unit can be operated by indoor unit thermistor UA UF Failure of transmission between indoor and Transmission between indoor and outdoor unit is outdoor unit not being correctly carried out Note 1 Note 2 U5 Failure of transmission between indoor unit and Transmission between indoor and remote remote controller controller is not being correctly carried out U8 Failure of transmission between main and Transmission between main and sub remote sub remote controller controller is not being correctly carried out UA Failure of fieldsetting System fieldsetting error pair twin triple double twin or wrong capacity class UC Address error of central remote controller m Inthe case of the shaded error codes inspection is not displayed The system operates but be sure to inspect and repair it Notes 1 Thereis a possibility of open phase power supply check power supply also 2 Operation when a malfunction occurs may differ according to the model 3 26 Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 8 Troubleshooting by LED Indications on the Indoor Unit Foreword Notes Troubleshooting can be carried
188. n make sure that the resistance between each phase is balanced and not short circuited Red U White V Measure the resistance between each phase Black Ww S2675 Part 3 Troubleshooting 3 61 Additional Checks for Troubleshooting ESIE05 04 3 62 Part 3 Troubleshooting ESIE05 04 Part 4 Commissioning and Test Run What is in this part This part contains the following chapters Chapter See page 1 Pre Test Run Checks 4 3 2 Field Settings 4 9 3 Test Run and Operation Data 4 23 Part 4 Commissioning and Test Run 4 1 ESIE05 04 4 2 Part 4 Commissioning and Test Run ESIE05 04 Pre Test Run Checks 1 Pre Test Run Checks 1 1 What Is in This Chapter Introduction This chapter contains the following information m Checks before test run Mm Test run checks W Setting the address for the receiver of the wireless remote controller W Setting the address for the wireless remote controller Overview This chapter contains the following topics Topic See page 1 2 Test Run Checks 4 4 1 3 Setting the Wireless Remote Controller 4 5 Part 4 Commissioning and Test Run 4 3 Pre Test Run Checks ESIE05 04 1 2 Test Run Checks Checks before test Before carrying out a test run proceed as follows run Step Action 1 Make sure the voltage at the primary side of the safety break
189. nation designate the remote controller that is equipped with the most functions as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FAQ Between brackets are the required Refnet kits mentioned that are necessary to install the combination vi ESIE05 04 Introduction Combination matrix Possible indoor combination Standard capacity for twin triple and double twin operation Twin Triple Double Twin Outdoor models 3 100 100 60 60 60 50 50 50 50 RZQ200B7W1B 71 71 71 8x KHQ22M20TA7 KHRQ22M20TA7 KHRQ250H7 125 125 e 60 60 60 60 RASO KHRQ22M20TA7 8x KHRQ22M20TA7 Notes 1 Possible indoor types m FCQ50 125 FFQ50 60 FHQ50 125 FBQ50 125 FUQ71 125 FAQ71 100 m FDQ125 2 Individual indoor capacities are not given because the combinations are for simultaneous operation indoor units installed in same room 3 When different indoor models are used in combination designate the remote controller that is equipped with the most functions as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FAQ 4 Between brackets are the required Refnet kits mentioned that are necessary to install the combination vii Introduction ESIE05 04
190. nctional Description 2 1 ESIE05 04 Part 2 Functional Description ESIE05 04 Functional concept 1 Functional concept 1 1 What Is in This Chapter Introduction This chapter will explain more details about the various functions that are programmed for the Sky Air R410A indoor units Overview This chapter contains the following topics Topic See page 1 2 Functions of Thermistors 2 4 1 3 Forced Operating Mode Emergency Operation 25 1 4 Outdoor Unit Identification Function 2 7 1 5 Simulated Operation Function 2 8 1 6 Restart Standby 2 9 1 7 Automatic Restart 2 10 1 8 Using Conditions for Remote Controller Thermostat 2 11 1 9 Forced Thermostat OFF 2 13 1 10 Freeze Prevention Function 2 14 1 11 PMV Control 2 15 1 12 Thermostat Control 2 16 1 13 Drain Pump Control 2 17 1 14 Condensation Avoidance Control 2 19 1 15 Draft Avoidance Control 1 2 20 1 16 Draft Avoidance Control 2 2 21 1 17 Fan and Flap Operations 2 22 1 18 Indoor Unit Fan Control 2 23 Part 2 Functional Description 2 3 Functional concept ESIE05 04 1 2 Functions of Thermistors Locating the thermistors i g g u EN A Remark Sensor R3T on indoor coil of FCQ35 60B7V1 FFQ35 60BV1 FBQ35 60B7V1 amp FHQ35 60BUV1 is not used when the indoor units are connected to sky air outdoor units RR RQ
191. ndoor unit No for which you want to adjust the field settings Press the upper part of the PROGRAMMING TIME button to select the First code No Press the lower part of the PROGRAMMING TIME button to select the Second code No Press the CONFIRMATION button to confirm the changed setting Press the INSPECTION TEST button to return to Normal mode Part 4 Commissioning and Test Run 4 11 Field Settings ESIE05 04 2 3 How to Change the Field Settings with the Wireless Remote Controller Optional If optional accessories are mounted on the indoor unit the indoor unit setting may have to be changed accessories Refer to OH98 2 or the installation manual optional handbook for each optional accessory Wireless remote The illustration below shows the wireless remote controller controller 0ON OFFN Mode No Field setting mode d DOWN iQ FAN CANCEL RESERVE button RESERVE First code No SETTING Ln TIMER A MODE Second code No UP button DOWN button MODE button INSPECTION TEST button Setting To set the field settings you have to change m Mode No W First code No m Second code No To change the field settings proceed as follows Step Action 1 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter t
192. neous i operation system 14 Wired Remote Indoor unit Indoor unit ead Controller Master Slave L e iy n Remote Controller to Outdoor Unit Switch box Indoor Unit Terminal Connector Field wiring 2 In case using central remote controller connect it to the unit in accordance with the attached installation manual 3 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 4 Confirm the method of setting the selector switch SS1 SS2 by installation manual and engineering data etc 5 Ground the shield of the remote controller cord to the indoor unit in case of using shield wire 6 Symbols show as follows RED Red BLK Black WHT White YLW Yellow GRN Green ORG Orange BRN Brown PNK Pink GRY Gray BLU Blue 1 66 Part 1 System Outline ESIE05 04 Wiring Diagrams A1P Printed circuit board Power supply Receiver display unit attached to wireless remote controller A2P Printed circuit board Control A4P Printed circuit board A3P Printed circuit board Humidity sensor unit A5P Printed circuit board HAP Light emitting diode Service monitor green BS1 Push button ON OFF KPR Magnetic relay M1P H1P Light emitting diode on red M1F Motor Indoor fan H2P Light emitting diode timer green M1P Motor Drain pump H3P Li
193. ng and then add proper amount refrigerant Part 3 Troubleshooting 3 59 Additional Checks for Troubleshooting ESIE05 04 4 8 Checks 4 8 1 Clogged Points Temperature differences must occur before or after the clogged points COMP Indoor Unit Ben Jutdoor Unit Check points Check factor Causes Remedies 1 Around Temperature m Dust Replace the expan expansion difference B Choked moisture sion valve mechanism m Reduced effective pipe diameter due to adherent contamination etc 2 Accumulator Frosting Mm Choked moisture Blow a nitrogen gas and then replace the refrigerant 3 Distributor Temperature m Dust Replace the heat difference exchanger or m Choked moisture distributor m Reduced effective pipe diameter due to adherent contamination etc 4 Field piping Temperature m Collapsed pipe Replace the pipe difference 5 Stop valve Temperature m The stop valve is not fully Open the stop valve difference open fully 3 60 Part 3 Troubleshooting ESIE05 04 Additional Checks for Troubleshooting 4 8 2 Indoor Unit Fan Motor Checks Phase Controlled Motor 1 Turn the power supply off With the relay connector disconnected measure the resistance between UVW phases of the connector 3 cores at the motor side the
194. ning heat 3 40 exchanger thermistor sys tem xk x cS O Malfuncioning gaspipe 3 40 thermistor system d E31 cg O Malfunctioning suction air 3 40 thermistor system E xk te Malfunctioning of humidity 3 43 sensor system 3k xk Cu a Malfunctioning remote 3 42 controller air thermisto 3 28 Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 9 2 System Malfunctions Outdoor Unit Remote Location of Malfunction Contents of Malfunction Details of Malfunction Controller Other PC Board Malfunction Display than PC Reference Board Outdoor Indoor Remote Page Unit Unit Controller UH O O Transmission error between 3 46 or UF indoor and outdoor unit ys O O Transmission error between 3 48 indoor and remote controller ua O O Transmission error between 3 49 main remote controller and sub remote controller UR O Excessive indoor units connected 3 50 to this system ut O Centralized address setting error 3 52 Part 3 Troubleshooting 3 29 Troubleshooting ESIE05 04 1 10 Overview of the Indoor Safety Devices Thermal protector Thermal fuse fan motor Abnormal Reset automatic FCQ35 50 60 71B gt 130 C 5 C lt 83 C 20 C N A FCQ100 125B gt 140 C 5 C 45 C 15 C N A FCQ71 100 125 140D
195. nstruction manual of PC beard undarthe wireless remote controller kit hooking piece 5 78 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 13 FHQ35 50 60 71 100 125B Overview This part contains the following topics Topic See page Removal of Air Filter and Suction Grille 5 80 Removal of Electrical Parts and PC Boards 5 82 Removal of Horizontal Blade 5 85 Removal of Fan Rotor and Fan Motor 5 86 Removal of Fan Bearing 5 89 Removal of Bottom Panel and Drain Pan 5 91 Removal of Swing Motor 5 93 Part 5 Disassembly and Maintenance 5 79 Disassembly and Maintenance ESIE05 04 1 13 1 Removal of Air Filter and Suction Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Push the 2 tabs and open the suction grilles 51234 2 Push the air filter installation panel from 2 places in the direction of the arrow and pull the air filter out toward yourself NA AE 75 a WES 81235 5 80 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Grip the suction grille er hinge strongly and Aor Nes suction grille remove the suction grille 1236
196. nt to outdoor unit and disconnect the connection pipe and wiring then remove the indoor unit gt E AA IE 81325 There is a hock right hand side behind the heat exchanger 51327 81326 5 132 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 16 9 Removal of Fan Rotor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Remove the heat exchanger You can also remove the auxiliary according to Removal of electric heater without removing Heat Exchanger the heat exchanger 1 Remove the 2 screws of the left side panel 121328 2 Remove the fan rotor by sliding to the left and pulling out toward yourself 51329 Reference If you have enough space to pull the fan rotor out from the left side you can remove it without E a dismounting the heat exchanger E 31330 Part 5 Disassembly and Maintenance 5 133 Disassembly and Maintenance ESIE05 04 5 134 Part 5 Disassembly and Maintenance ESIE05 04 Index Symbols OO tar Eve A Al PIN d AAA rd iow Peg tebad ss 3 17 up MD IMP M RD E PM T E cod 3 32 AS satu be bee de vet pU AM a hid bade Vand e eduxit dure EQ d 3 33 AO cetera Bierce Scie cet es Re Aer Man fr erdt EE eae ae ot Sev a ed ot salon 3 36 PAP n
197. o sseuxolui uonejnsui jeuonippe ue uonejedo nou yz senunuoo YUN eui Jo Bulao eui OJU pejonpul si e useJj eui JO 9609 HY pue 2 06 peeoxe Hulja ay ur Aupiunu pue aunjesadula eu ueuM JEY6p 10 Je o uoo ejouieJ sseja l JO BUIMEAP eui oi 1949H 191999 EUIS e eq i uonisod si jejoauoo ajowa ssaja im Duisn jo aseo U Z 1146 uonons episui awe jeuui y uo jeued uomeJooep 10 1146 uoyons apisu you eq eui uo un Joopul 104 ajejd eureu sjiun jo uoreoo L SALON 3 crm allaz mila gt oe Illo 3 3 E 9 Bow E E 5 ES i ARS 8 gic uonoeuuoo 7 y E o gs pnp uouejg eo Ed A3 323 raon 1 l 0 o 9 a Lo ssepose 910UJ JO i Tuuuoos I x z i amp E uonoeuuoo S 1 Pnp uoueJg gt e MIIA MOHUV 9 3 04 pIN 31 re 2 e tt uonoeuuoo 19eJiQ exei are Joopino MIA MOV A uogoeuuo amp SE f np uoueig E 3 opis f 2104 pIA zL uonoeuuoo edid x BE 4 E 9Iou pwy LD E 3 E 3 e 3 a E MIA MOHHV 8 a2 uonoeuuoo 2 1 i yonp uoueig IE i ae epis D i uoijoeuuoo ureig ES Haq t 4 z d dsns ssaj 10 Ly 1 A j LL uonusoduosuedsng os9 Me z e1oN LITT ajoy vW ZL E p 10N eoeds Buluedo uite 016 098 00 f AS id Part 1 System Outline ESIE05 04 General Outline Components The table below contains th
198. o inspect the group No display 5 Set the Group No for each group by pressing the PROGRAMMING TIME button The Group No rises in the order of 1 00 1 01 1 15 2 00 2 15 3 00 etc The unified ON OFF controller however displays only the range of group numbers selected by the switch for setting each address 6 Press the CONFIRMATION button to enter the selected group No 7 Press the INSPECTION TEST button to return to normal mode Individually If the address must be set individually for each unit set the Mode No to 30 For example for power address setting consumption counting Part 4 Commissioning and Test Run 4 19 Field Settings ESIE05 04 2 10 The Field Setting Levels Introduction The inspection level The three field setting levels are W Inspection level W Monitoring level E Maintenance mode settings The inspection level is the highest level of the three field setting levels You can change the views in the inspection level by pressing the INSPECTION TEST button The flow chart below explains the different windows of the inspection level gt Normal display Push INSPECTION TEST button A A Last occurred malfunction Push INSPECTION TEST button EE Y Push See possible system INSPECTION TEST Indoor model and size 4 4 settings button Push INSPECTION TEST button
199. oil thermistor X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M2F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M3P Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A M1A Swing flap motor X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor 1 108 Part 1 System Outline ESIE05 04 PCB Layout 6 3 FCQ71 100 125B PCB The illustration below shows the PCB connectors X27A X11A X10A X33A X19A X60A X61A BAR ITI Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X15A SiL Float switch X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M2F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M3P Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A M1A Swing flap motor X40A Conne
200. on on indoor PCB outdoor PCB Limit switch for flap 33S No of fan turns X26A Part 2 Functional Description 2 21 Functional concept ESIE05 04 1 17 Fan and Flap Operations Cooling operation The table below contains the fan and flap operations Function In Fan Flap FCQ and Flap FAQ Remote control FHQ indication Thermostat ON Swing operation L Swing Swing Swing in Dry Keep f a Mode Airflow direction setting Set position Set position Set position Thermostat Swing operation OFF Horizontal Horizontal Swing OFF in Dry 7 LE m Keep Mode Airflow direction setting Set position Set position Set position Thermostat Swing operation Set Horizontal Horizontal Swing OFF in Cooling TNES z Mode Airflow direction setting Set position Set position Set position Stop Error Swing operation OFF Horizontal Downward Airflow direction setting Set position Downward Freeze preven Swing operation OFF Horizontal Horizontal Swing tion Airflow direction setting Set position Set position Set position LL operation on cassette type units Heating operation The table below contains the fan and flap operations Function In Fan Flap FCQ and Flap FAQ Remote control FHQ indication Hot start after Swing operation OFF
201. ons Error generation Causes Checking thermistors The table below describes the two thermistor abnormalities Error Description cu Malfunctioning heat exchanger thermistor system cs Malfuncioning gaspipe thermistor system 9 Malfunctioning suction air thermistor system The table below shows the LED indications Operation HAP green HBP green Normal 3 E Malfunctioning E 3k The error is generated when during compressor operation Wi Thermistor input gt 4 96 V or W Thermistor output lt 0 04 V The possible causes are Wi Malfunctioning connector connection Wi Malfunctioning thermistor W Malfunctioning PCB B Broken or disconnected wire See page 3 56 3 40 Part 3 Troubleshooting ESIE05 04 Error Codes Troubleshooting Caution Check the connector connection Is it connected No gt Correct the properly connection Yes Check the thermistor resistance Replace the No gt 2 thermistor Yes Check the contact between thermistor and PCB Is the contact OK No gt Correct contact C4 Indoor liquid pipe thermistor R2T C5 Gaspipe thermistor R3T C8 Air suction thermistor R1T Replace outdoor unit PCB Be sure to turn off power switch before connect or disconnect connector or parts damage may
202. ontrol Blade 5 109 5 94 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 14 1 Removal of Air Filter Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Opening suction grille Push two tabs on suction grille toward the center of grille at the same time 2 Pull down suction grille Two strings are equipped to prevent the grille from dropping Drep prevention string 3 Toremove air filter lift the tabs up at the same time and pull it forward 151264 Part 5 Disassembly and Maintenance 5 95 Disassembly and Maintenance ESIE05 04 1 14 2 Removal of Suction Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Unhook two drop prevention strings while supporting suction grille with hand i 51265 2 Open suction grille forward for approx 45 degree ae EAS NES SN NM S i Y 51268 5 96 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 3 Disengage three hooks located at rear side of the grille to remove suction grille Part 5 Disassembly and Maintenance
203. operating mode as when the unit was operating when the power supply is restored after a power failure Do not use the Automatic Restart function to daily start stop the unit Precautions when m When you have to turn OFF the power supply in order to carry out maintenance make sure to turn turning OFF power the remote control s ON OFF switch OFF firstly Wi l you turn OFF the power supply while the remote control s ON OFF switch is still ON the automatic restart function automatically starts the indoor fan immediately and the outdoor unit fan starts automatically 3 minutes after the power supply is turned back ON m Donot start stop the unit by disconnecting the power supply Stop the unit by stop commando from the remote controller or optional controller before disconnecting the power supply Be sure that the compressor and the outdoor fans are stopped before disconnecting the power supply so the Refrigerant Recovery function has been finished correctly W When restarting the unit after the power was disconnected for a longer period leave the unit OFF with the power supply connected for about half an hour 2 10 Part 2 Functional Description ESIE05 04 Functional concept 1 8 Using Conditions for Remote Controller Thermostat Applicable The remote control thermostat is only available in wired remote controls Method Unlike with VRV units the remote control sensor is standard disabled for sky air units The use o
204. or wiring Controller 1 74 Part 1 System Outline ESIE05 04 Wiring Diagrams S1L Float switch Wired remote controller A1P Printed circuit board BS1 ON OFF button C1R Capacitor Fan BS2 Timer mode start stop button F1T Thermal fuse 152 C M1F embedded BS3 BS8 Programming time button HAP Light emitting diode Service monitor green BS4 BS9 Temperature setting button M1F Motor Fan BS6 Operation mode selector button M1P Motor Drain pump BS7 Timer ON OFF button R1T Thermistor Air BS11 Fan speed control button R2T Thermistor Coil BS12 Inspection test operation button RyF1 4 Magnetic relay Fan BS14 Filter sign reset button RyP Magnetic relay Drain pump H1P Light emitting diode Service monitor red SS1 Selector switch Emergency LCD Liquid cristal display TIR Power supply transformer 220 240V 21 8V SS1 Selector switch Main sub X1M Terminal strip X2M Terminal strip Connector for optional parts RC Signal receiver circuit X60A X61A Connector Interface adaptor for Sky Air US TC Signal transmission circuit series X33A Connector Adaptor for wiring Adaptor for wiring X35A Connector Group control adaptor RyC RyF Magnetic relay X40A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 75 Wiring Diagrams ESIE05 04 4 9 FDQ125 200 250B Wiring diagram The illustration below shows the
205. ormal The monitoring function forci minute in microcomputer controlled dry bly operates the fan for one minute mode even if compressor is not operating 18 In simultaneous ON OFF multi system It is normal It is caused by a signal trans setup indoor unit sub does not operate in mission lag sync with the other indoor unit main Flat fan etc 19 Indoor unit fan operates after heating oper It is normal The fan operates in the LL ation stops mode for 60 to 100 seconds to dissipate the residual heat in the heater 20 Drain pump operates when equipment is It is normal The drain pump continues to not operating operate for several minutes after equip ment is turned off 21 Horizontal swing sends air to different It is normal The airflow direction in cool directions in cooling and heating even if it ing dry operation is different from that in is set to the same position heating fan operation 22 Flap remains horizontal even if itis setto It is normal The flap does not swing in the Swing thermostat OFF mode Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 1 Equipment does not operate Applicable Model Error Detection Method Error Generating Condition Possible Causes All models of SkyAir series Fuse blown or disorder of contact in operation circuit Faulty operation switch or contact point Faulty high pressure switch Faulty magnetic switch for fan motor Act
206. ote controller Setting the address The address for the receiver of the wireless remote controller is factory set to 1 To change this setting for the receiver proceed as follows Step Action 1 Turn OFF the power 2 Remove the sealing pad on the top of the receiver Sealing pad Sa Small opening a d Receiver dd 3 Set the wireless address switch SS2 according to the table below You can find the wire less address switch attached on the PCB of the receiver and it is visible through the small opening on the back of the receiver 4 If you use a wired and a wireless remote controller for one indoor unit proceed as fol lows 1 Set the wired remote controller to MAIN On the remote controller 2 Setthe wireless remote controller to SUB On the receiver with the MAIN SUB switch SS1 5 Seal off the opening of the address switch and the MAIN SUB switch with the attached sealing pad Sealing pad ur Small opening y dd e Receiver d 6 Make sure to also change the address on the remote controller Part 4 Commissioning and Test Run 4 5 Pre Test Run Checks ESIE05 04 Setting the address The address for the wireless remote controller is factory set to 1 To change this setting proceed as for the wireless follows remote controller Step Action 1 Hold down the FILTER RESET button and th
207. ounting fixture 152615 m Mounting the decoration 6 Remove the decoration panel coverin the corner Mount the decoration cover so that 4 hooks on the decoration cover can engage with the hole in the decoration panel Part 5 Disassembly and Maintenance 5 27 Disassembly and Maintenance ESIE05 04 1 11 4 Removal of Horizontal Blade Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove 4 screws each 16 screws in total to dismount the 4 seal materials S5251E 2 Remove 2 screws each Reassembling 6 screws in total to m Make sure that the air outlet dismount the 8 insulation material seal horizontal blade material is as shown below bearings may result in dew condensation Air outlet insulation material Horizontal blade A d bearing s e uu nm Sy Swing motor f gt oP No catching or gap is allowed for h material the seal material 82618 5 28 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 11 5 Removal of Swing Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Remove the decoration cover in the corner located right below the refrigerant
208. ounting plate E9 Terminal block F9 Hold Plate assy E10 Wire harness transmission F10 Bell mouth assy E10 1 Fuse holder F11 Inner insulation top panel E10 2 Fuse F12 Drain pan top assy E11 Wire harness assy F12 1 Drain plug E12 Wire harness assy swing motor F13 Thermistor mounting spring E13 Relay harness for fan motor F14 Bushing E14 Thermistor for air G1 Drain hose assy E15 Thermistor assy K1 Internal drain hose E15 1 Thermistor K2 Hose band E16 Grounding screw K3 Insulation for joint liquid E17 Grounding wire K4 Insulation for joint gas E18 Grounding wire K6 Drain hose sealing material E19 Wire clip K7 sealing material E20 Wire clip Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 5 FBQ35 50B Exploded view The illustration below shows the exploded view RRS E gt x o n a 2 o 8 8 2 a e 5 3 a a xt Ei a 8 a ex a gt 3 RU 5 6 E lo ra M M n a 5 A e r 3 a 314 12 y id 5 10 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Components The table below contains the components of the exploded view No Component No Component 1 Top plate assy 29 Plain washer 2 Right plate assy 30 Fitting bolt drain pump 3 Left plate assy 31 Fan assy
209. ower Lower Unsatisfactory Compression 3 Higher Lower Lower When Heating Air Conditioner Status Low Pressure High Pressure Running Current Air Filter Fouling Higher Higher Higher Short Circuit of Indoor Unit Higher Higher Higher Inlet Outlet Air Outdoor Unit Fin Fouling Lower Lower Lower Short Circuit of Outdoor Unit Lower Lower Lower Inlet Outlet Air Air Mixed in Refrigerant Higher Higher Higher Water Mixed in Refrigerant 1 Lower Lower Lower Dirt Mixed in Refrigerant 2 Lower Lower Lower Lack of Refrigerant Gas Lower Lower Lower Unsatisfactory Compression 3 Higher Lower Lower m 1 Water in the refrigerant freezes inside the capillary tube or expansion valve and is basically the same phenomenon as pump down m 2 Dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon as pump down Wi 3 Pressure differential between high and low pressure becomes low 4 26 Part 4 Commissioning and Test Run ESIE05 04 Part 5 Disassembly and Maintenance What is in this part This part contains the following chapters Chapter See page 1 Disassembly and Maintenance 5 3 Part 5 Disassembly and Maintenance 5 1 ESIE05 04 5 2 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 Disassembly and Maintenance 1 1 What Is in This Chapter
210. pe connection 7 Earth terminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Back side drain pipe connection left 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Position of the hole in the wall for piping straight trough the wall 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System Outline 1 29 ESIE05 04 General Outline The illustration below shows the outlook and the dimensions of the unit mm tn T7 A T 2 L E G x o Lo 9 Y 5 T o dimensions Quos eu WO MaA rem eur ubnoj 1ybres Burdid TO em OU ur Sjou OU jo uomisod eoeds p nb 1004 ay WO werA yoeq burdid Ul mo buyer 10 S oU HS uonisog 1eJ9P 104 J9 01JUO9 0W91 ssejeJiw jo BUIMEAIP y 0 Jajoy Janes eUBIS e aq iw uonisod si 18 101JuO9 ajoua ssajalm Buisn jo aseo uz 1116 uonons eui episui Bursnoy ue jo ulonog eje d eureN sun jo uoeoo1 SALON Part 1 System Outline Buidid yo 104 144 uorpeuuoo edid ureiq 9pis 100 4 z eioN ajejd aueu purig juojj eu unbe 303 eoeds 9019S aow JO f eoeds sonieg aow JO Mi eoeds peunbeu SJOW JO epis 100 J Y WOs4 uone
211. perating Purpose m Cooling Minimize the remaining refrigerant amount in indoor unit heat exchanger W Heating Lower the high pressure by avoiding high temperature build up around the indoor unit heat exchanger Indoor fan tap Indoor cooling Automatic Thermostat OFF L cooling Remote controller OFF LL Indoor heating Automatic Thermostat OFF LL heating Remote controller OFF LL Indoor drying Thermostat OFF LL Remote conntrolle OFF LL Indoor fan tap Indoor cooling Automatic cooling Thermostat OFF Remote controller setting Remote controller OFF OFF Indoor heating Automatic Thermostat OFF LL heating Remote controller OFF OFF Indoor drying Thermostat OFF OFF Remote controller OFF OFF Indoor fan tap Indoor cooling Automatic cooling Remote controller setting Indoor heating Automatic heating OFF Indoor drying L Part 2 Functional Description 2 23 Functional concept ESIE05 04 At compressor startup Wi n cooling The indoor fan is operated at low speed until the low pressure value reaches 6 bar Wi n heating Hot startup controlWhen performing a startup or after the defrosting cycle has been completed the indoor fan will be controlled as to prevent cold air draft and secure the starting performance quick pressure build up Indoor unit fan OFF
212. pitch 3x 14x 1 75 mm Face area 0 226 m 0 344 m Tube type Hi XSS diam 7 Fin type Rhombus Fan Air flow rate cooling high 16 0 m min 24 0 m min 30 0 m min Air flow rate cooling low 12 0 m min 17 0 m min 20 0 m min Air flow rate heating high 19 0 m min 28 0 m min 35 0 m min Air flow rate heating low 14 0 m min 20 0 m min 24 0 m min Qty x model rotor 2 x QD18G3BM i DISCE Qty x model motor MLA6027 MLA6028 A37P225E23 Fan speed 2 steps direct drive Fan type Sirocco Refrigerant Type R410A Safety and functional devices Fan motor thermal fuse 152 C Air filter Resin net with mold resistant Temperature control Computerized control Weight Unit 38 1 kg 48 6 kg Electrical The table below contains the electrical specifications specifications Specification FDEQ71B7V3B FDEQ100B7V3B FDEQ125B7V3B Unit Phase d Voltage 230V Frequency 50Hz Power consumption 150W 195W 415W Nominal running current 2i Fan motor FLA Full load amps e No of motors x output 1x130W 1x155W 1x225W 1 54 Part 1 System Outline ESIE05 04 Functional Diagrams 3 Functional Diagrams 3 1 What Is in This Chapter Introduction This chapter contains the following information W Functional diagrams m Pipe connection diameters Functional This chapter contains the following functional diagrams diagrams Functional diagram See page 3 2 Indoor Piping 1 56 3 3 Pipe Connection Diameters 1 58 3 4 Piping Components 1 59
213. r Float switch RC Signal receiver circuit X25A Connector Drain pump TC Signal transmission circuit X33A Connector Adaptor for wiring X35A Connector Group control adaptor X40A Connector Remote ON OFF Forced OFF X60A X61A Connector Interface adaptor for Sky Air series Part 1 System Outline 1 79 Wiring Diagrams ESIE05 04 4 11 Wiring diagram FHQ71 100 125B The illustration below shows the wiring diagram of the unit In case of simultaneous operation system Indoor unit Indoor unit Master Slave E r1 2 AA E s 4 hd y E lcd y Se y sl q 3 dy 1 rd A 12M tiv f L Remote Controller a m CD rcm to Outdoor a AZ Lr u tie 1 a IM A dl Unit P T iha Leo eem 1 t Bu Hor TTD rt 114 j rt im wT be Sooo f Note 4 7 j LI ROSA riod TER arta Wired Remote nit Lon E Controller i b Control box Notes 11 000 Terminal m ES 211 Connector 2 ME Field wiring 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual X24A is connected when the wireless remote controller kit is being used Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting In case installing the drain pump M1P remove the jumper connector of X15A and execute the additional wiring for
214. r for Sky Air series RC Signal receiver circuit X33A Connector Adaptor for wiring TC Signal transmission circuit X35A Connector Group control adaptor X40A Connector Remote ON OFF Forced OFF Part 1 System Outline 1 63 Wiring Diagrams ESIE05 04 4 3 FCQ71 100 125B Wiring diagram The illustration below shows the wiring diagram of the unit Wired Remote Controller outdoor 11110 Note 3 Receiver Display unit Guil O Tem Terminals for Operation PI Indicator Fan Operation y Compressor Operation Pai n tes gt 13 E Remote Ned E Ty gt r ON OFF Remote L1 x iex J i gt Adaptor for controller wiring W E Field wiring Colors E Connector BLK Black AN Switch box Wirelamp RED Red CUA rm NN Pm Protective earth screw WHT White ue Ce Terminal g v YLW Yellow Notes 1 Use copper conductors only 2 When using the central remote controller see manual for connection to the unit 3 X24A is connected when the wireless remote controller kit is used 4 The remote controller model varies according to the combination system See technical data and catalogs before connecting 1 64 Part 1 System Outline ESIE05 04 Wiring Diagrams S1L Float switch Receiver display unit attached to wireless remote controller A1P Printed circ
215. r switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 2 Indoor fan operates but compressor does not Applicable Model Method of Malfunction Detection Malfunction Decision Conditions Possible Causes All models of SkyAir series Faulty thermistor Faulty indoor outdoor unit PCB Faulty magnetic switch Faulty power transistor Faulty compressor Part 3 Troubleshooting ESIE05 04 Troubleshooting Troubleshooting Indoor unit fan runs at set airflow rate In cooling operation When air thermistor ambient temperature is higher than set temperature In heating operation i f When air thermistor ambient temperature is lower than set temperature Is the power YE switch OFF or the fuse for S Turn on the power ra n Switch or replace fuse Is the heating YES Normal Switch turned on at outdoo Thermostat OFF by temperature 30 C outdoor temperature Is rated voltage applied at NES gt Replace the the compressor compressor terminals Q Is rated voltage YES output from the magnetic Replace the magnetic Switch or power Switch or power transistor transistor E YES Is rated voltage output Replace the PC board from the PC board ais NO gt Check the thermistor Air sensor Outdoor unit Magne
216. rature Both the indoor and outdoor unit must be set to emergency while the power is off You can end the emergency operation by changing the emergency switch back to normal while the power is OFF Below table explains what will happen when the switch is set to emergency Changing the switch to emergency for the Switches ON the Indoor unit W Indoor fan s B Drain pump Outdoor unit m Compressor m Outdoor fan s To set emergency operation proceed as follows eE En Step Action 1 Turn OFF the power 2 Switch ON the emergency switch SS1 on the indoor PCB Normal mergency Part 2 Functional Description Functional concept ESIE05 04 Active components Additional info Step Action 3 Switch ON the emergency switch on the outdoor PCB A mum e Te 1 4 Set the emergency switch on the outdoor PCB to the forced mode you prefer Cooling or Heating EMERGENCY vil vmm 5 Turn ON the power supply Component Forced cooling Forced heating Forced defrosting Compressor ON ON ON 4 way valve OFF ON OFF Outdoor unit fan H fan speed H fan speed OFF Indoor unit fan H fan speed H fan speed H fan speed Drain pump ON OFF ON m During emergency operation do not attempt to operate the equipment from the remote controller The remote controller shows
217. refrigerant Faulty expansion valve 81995 Caution occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 7 Equipment discharges white mist Applicable Model Error Detection Method Error Generating Condition Possible Cause Troubleshooting Caution All models of SkyAir series Humid installation site Soiled heat exchanger Clogged air filter Malfunction of fan motor Installation site is dirty and with dense oil mists Is the room temperature higher than set value in cooling operation exchanger of indoor unit soiled Is the site dusty or with dense oil mist Is the airflow rate too small YES YES Continue unit operation Is white fog coming out from the unit Normal It may be necessary to remove the source of humid condition H Remove the source of humid condition YES YES Did the trouble generate on switching to heating mode after complete of defrosting during heating Cleaning of heat exchanger is necessary Dust or oil mists should be removed H Remove the source of oil mist or dust Possible causes as follows Clogged air filter Malfunction of fan motor Cleaning of air filter
218. ring or after maintenance when the power supply is turned back on operation restarts automatically by the auto restart function Please exercise the proper caution When perfoming maintenance you should at least perform the following inspections Indoor unit Is the air filter dirty What about voltage and current Refrigerant piping Transmission wiring between indoor and outdoor units What about switch capacity What about cable thickness To dedicated afi breaker E de ee cz eni lag eA ouo a cmm Drain piping Outdoor unit 4 y Earth Part 4 Commissioning and Test Run 4 25 Test Run and Operation Data ESIE05 04 Correlation of Air Conditioner s Operation Status and Pressure Running Current Notes What happens in comparison to normal values is summarized in the table below Measured from 15 20 minutes or more after operation starts When Cooling Air Conditioner Status Low Pressure High Pressure Running Current Air Filter Fouling Lower Lower Lower Short Circuit of Indoor Unit Lower Lower Lower Inlet Outlet Air Outdoor Unit Fin Fouling Higher Higher Higher Short Circuit of Outdoor Unit Higher Higher Higher Inlet Outlet Air Air Mixed in Refrigerant Higher Higher Higher Water Mixed in Refrigerant 1 Lower Lower Lower Dirt Mixed in Refrigerant 2 Lower Lower Lower Lack of Refrigerant Gas Lower L
219. ription X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X14A S1Q Limit switch swing flap X15A S1L Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M1P Drain pump motor X27A X2M Power supply amp communication X29A M1S Swing flap motor X35A X1A on KRP4 Connector to group control adaptor power supply 16 VDC for optional PCB KRP4 X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor 1 118 Part 1 System Outline ESIE05 04 PCB Layout 6 12 FAQ71B PCB The illustration below shows the PCB connectors X27A X20A X30A X36A X18A X35A X19A X15A X24A Connectors The table below describes the PCB connectors Connector Connected to Description X15A Connector float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A2P Wireless remote controller connector X27A X2M Power supply amp communication X30A X1M Terminal strip for P1 P2 X35A X1A on KRP4 Connector to group control adaptor power supply 16 VDC for optional PCB KRP4 X36A M1S Swing flap motor Part 1 System Outline 1 119
220. rned on Wi Indoor model code de ose Wi Outdoor model code A Press Inspection Test Operation button once 3 20 Part 3 Troubleshooting ESIE05 04 Troubleshooting 1 5 Fault diagnosis by Wired Remote Controller Explanation If operation stops due to malfunction the remote controller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when inspection mode is entered The malfunction code enables you to tell what kind of malfunction caused operation to stop See page 3 26 for malfunction code and malfunction contents Operation lamp Indoor unit No in which Inspection test button a malfunction occurs Inspection displa Malfunction code Part 3 Troubleshooting 3 21 Troubleshooting ESIE05 04 1 6 Fault diagnosis by Wireless Remote Controller Introduction Contrary to the wired remote controller the wireless remote controller does not display the error code Instead the operation LED on the light reception section flashes Checking To find the error code proceed as follows Step Action 1 Press the INSPECTION TEST button to select inspection The equipment enters the inspection mode 0 flashes in the UNIT No display a ON OFF Y mm eH TIME v CODE DOWN CODE lo FAN i RESERVE CANCEL TIMER MODE gt INSPECTION TEST
221. sassembly and Maintenance 5 115 Disassembly and Maintenance ESIE05 04 Step Procedure Points 2 Removing the vertical blade 1 Disengage the protrusion Holder plate on upper side of blade from holder plate Three locations 2 Push the vertical blade backward and pull the lower side forward to disengage the blade from three hooks Vertical blade 5 116 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 15 4 Removal of Electrical Box Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points m Removing the front grille in accordance with Removal illa Drip proof plate Service cover of Front Grille screw 1 Remove the screw on the i service cover 2 Removethe screw on the drip proof plate 3 Remove the screw for the grounding wire Earth wire screw 52740 4 Remove the following connectors Fan motor connector W Fan motor connector Heat exchanger i i thermistor e m Air swing motor in Al EN connector li Swing v Motor connector 5 Pull the heat exchanger ES thermistor and dismantle 7 it duris DEIN 6 Remove the fixing screw for switch box 7 Pull forward the switch box holding lower part of the box Part 5 Disassembly and Maintenan
222. sej4 eoeds 9019S e10UJ JO Pe i gt gdeds uoiejjeisur Buimeip pouieui Uuonel ejsul 19114 94 0 1949H Ppouow UO Te e SUI ay 0 Bulpsooce jaued ssoeooe sonas e epi oid 0 iesseoeu SI 1I 491114 Je ay jo eoueuejureul JOY ulejs s oyloeds y jo uoneinBijuoo ay 0 Buip oooe seueA yidap Bulao peuinboi eu z seuosseooe jeuondo Burj ejsur ueuMw seuosseooe euondo Buijeisur 10 Buiweip xoo ino 01 13434 V MIA uonisod uorsuadsng SILON uonisod uoisuedsns y Part 1 System Outline 1 18 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote controller wiring connection Power supply connection Drain hole Air filter Air suction side olol NI aJa AJ OJN Air discharge side o Nameplate Part 1 System Outline 1 1 10 FDQ125B Outlook and The illustration below shows the outlook and the dimensions of t dimensions ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Power supply instake Drain connection Gas pipe connection single union Liquid pipe connection single union
223. shoo generates just after operation start or stop or defrosting gt Insert cushion materials to the pipe support such as saddle Normal The noise is a sound generated at the time of gas refrigerant flow change or Stop YES 2 shoo generates during cooling or after operation t Disassemble and remove parts contact Normal Operation sound of draining device YES Creak during heatingand after operation stop gt Correct piping manually or attach a dead weight to pipe YES Normal Creak generates by shrinkage of resin parts due to temperature change Normal Excess charge of refrigerant Air intrudes into refrigerant system Flushing noise due to refrigerant shortage Sound of shoo YES I After vacuum drying charge correct amount of refrigerant 81997 Caution occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting Troubleshooting ESIE05 04 1 3 9 Equipment discharges dust Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause m Carpet W Animal s hair Wi Application cloth shop Troubleshooting Does the trouble generate at the time l YES of operation start again after extended period of operation
224. sing two E pieces of heat resistance SS SAR tie wrap SIAR Quy 3 RNA Y Ly TY Anti sweat tube 5 68 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points 6 Putthe heat exchanger partition plate inside and fix them with two screws Fan motor lead wire 82672 AAY y Fan ii lead wire through the clamps and AN the slit of partition plate NV i Co Ce securely as the original S N Md state Clamp e Clamps P motor also through the py VE clamp securely l UL E D A 7 Passthe thermistor ass y ON N TI Pass the lead wire of SN 15 ar Slit of partition plate Thermistor ass y 2683 8 Insert the grounding terminal to the header S2684 Part 5 Disassembly and Maintenance 5 69 Disassembly and Maintenance ESIE05 04 Step Procedure Points 9 Install the drain pan putting the lead wire of float switch and drain pump into the wire groove securely When install the drain pan put the lead wires in wiring groove and pass the lead wires above the black sealing material on the drain pan securely Otherwise due dripping may occur due to leakage of cool air 10 Installing the bell mouth Wiring groove s2685 Fan motor lead wire Wiring groove Thermistor ass y wire When install the bell mouth put the lead
225. sn Jo eseo u z ooeyns episino ajejd epis 1yBly eyed oweu paje eJaus6 uoneoo1 SALON jno meup sayy Je 10 uonoeJiq ew are 104 ooeds ao1n199 aow Jo OSE eoeds paumbay uogoeup Buldi 73 093 xo1ddy 095 xolddy Oo xolddy eid uoiejjeisui 0j ejou bugunoj v eyed og poom 104 ajoH E ld 2 MOJOS poo 104 ejoH t majos poom 104 ajoy eno OZ X 5 weios POOM 104 ejou LAO 52x 5 8 eoeds peunbeu aow JO OS 0 Part 1 System Outline 1 38 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Front grille Air filter Discharge outlet Gas piping connection Gas piping connection Drain piping connection Earth terminal Slit hole for right side piping connection olol NI aJ oa AJ OJN Slit hole for left side piping connection Part 1 System Outline 1 39 General Outline ESIE05 04 1 20 FDEQ71 100B Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions Suspension Bolt VIEW B 300 or more Service space VIEW A 960 Suspension E A j uonisod uorsuedsns 899 access panel according to the installation method Refer to the Filter installation method drawing installing optional accessories 2
226. t the field set mode and return to the normal display ON OFF RESERVE CANCEL TIMER MO TEST Multiple settings When an outside control central remote controller controls an indoor unit sometimes the indoor Alb unit does not respond to ON OFF and temperature settings commands from this controller Remote controller Indoor unit y Remote controller Control of other air condi Setting f No other control display tioners and units A Standard All items are displayed Commands other than ON OFF and temperature setting accepted 1 long beep or 3 short beeps emitted b Multi Sys Only one item is dis All commands accepted 2 short beeps tem played This item is only shown for a few seconds 4 8 Part 4 Commissioning and Test Run ESIE05 04 Field Settings 2 Field Settings 2 1 What Is in This Chapter Introduction This chapter contains the following information m How to change the field settings m The field settings m The factory settings Overview This chapter contains the following topics Topic See page 2 2 How to Change the Field Settings with the Wired Remote Controller 4 10 2 3 How to Change the Field Settings with the Wireless Remote Controller 4 12 2 4 Overview of the Field Settings on the Indoor Units 4 13 2 5 Overview of the Factory Settings on the Indoor Units 4 14 2 6 Setting the Ceiling Height 4 15 2 7
227. tT 9 04 JO me eoeds pauinboy 7 enueuu uonel eisu 0 Jaja aseajd pawi eq jw uoroeuuoo edid jo uonoeuip aBseyosip Aem g JO Z ib aBreyosip eui Burso o uSuM Ire 19p 10 Jej o juoo e3oujeJ ssojeJi jo Buweup eui O Jejed Jantesa Jeus ay 10 UONISOd eui si sui 49 04JU0D ajouue sseja m Bursn jo aseo uz ujnoui oq uo ajejd eureu s run jo uogeoo SALON OE z 910N ajd eureu pueg jonpoud y jo aoejins do y Woy WIESE 0 dn pasie eq Buidid Duidid spiemdn 18910 01890 104 UO E9O uonoeuuoo uonoeuuoo ureiq ureiq Part 1 System Outline 1 34 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Air outlet Air suction grille Corner decoration cover Right pipe and wiring connection Rear pipe and wiring connection olol NI aJ oa AJ OJN Cover for upwards pipe and wiring connection o Accessory drain elbow Part 1 System Outline 1 35 General Outline ESIE05 04 1 18 FAQ71B Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions eoeds peunbeu 3HON HO 0S eoeds peunbeu alow 10 OF 2500 OR MORE For installation in high spaces
228. te td lata 5 61 Removal ot air filler sc a Op oe A A a 5 44 Removal of decoration panel ooococcoccoccocco eee 5 46 Removal of drain Parcs m tr oU SEE nes edere uer ru dA a oe E e Y e a 5 58 Removal f drain pump em erem tonne DU tek idad EE ESTA ao ELA abd 5 59 Removal of fan rotor and fan motor oococccccccccc ree 5 55 Removal of horizontal vane 1 en 5 49 Removal of suction grille 2 lille RII IRI 5 43 Removal of Swing molor Sure dump puer Er ERI UE eI ERR RE ias 5 51 Removal ob SWIECIHDOX 2 mio und Rr patna dy Gaeta Sons ne estela Ra Dn din 5 53 Replacement of heat exchanger thermistor ooocooccccoccoccococcocc ee eee 5 64 Replacement of heat exchanger ree 5 66 Replacement of PC board oti ned SPIELE MER Ve merenti teta 5 72 Replacement of receiver of wireless remote controller lll eee eee eee esee 5 76 FHQ35 125B Removal of air filter and suction grille llle eee 5 80 Removal of bottom panel and drain pan 12 0 2 0 ese 5 91 Removal of electrical parts and pcb boards cooccccccccoccoccoc eese 5 82 Removal ofian bearing item ok ee US UID Deva a net dnte C T na eode id dena 5 89 Removal of fan rotor and fan motor oococcccccccccc ee 5 86 Removal of horizontal blade rsr 235r aia Meath Gb AME DOR E 5 85 Removal of swing MOtoro as pse kesa an se pan s 5 93 Field settings alii pet rene etel aUe eati io ias Amts 4 20 Overview indoor nits 1 4 setae
229. ted when the microprocessor detects that the transmission between the indoor unit and the remote controller is not normal over a certain amount of time Causes The possible causes are m Malfunctioning remote controller m Malfunctioning indoor PCB Bi Outside cause noise W Connection of two master remote controllers when using two remote controllers Troubleshooting Set one of the remote SS1 of both YES controllers to SUB turn Gonirol by 2 remote remote controllers is gt off the power supply controllers set to MAIN temporarily then restart operation All indoor Resets unit PCB normally when NO 7 microcomputer power supply is turned gt peas unit i normal monitors off temporarily Tep acement flashing Malfunction could be YES produced by noise gt Check the surrounding area and restart operation Using multicore transmission wiring YES Change to between indoor unit double core and remote independent cable controller Failure of remote NO controller PCB or gt replacement of defective indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 48 Part 3 Troubleshooting ESIE05 04 Error Codes System Malfunctions 3 4 Malfunction of Transmission between MAIN Remote Controller and SUB Remote Controller U8 Error code
230. the central remote controller see manual for connection to the unit 2 The remote controller model varies according to the combination system See technical materials and catalogues etc before connecting p Wired Remote Controller Terminals for Operation Indicator c 23 w S FE o O Operation Compressor Adaptor for wiring NW B gt Field wiring LI Terminal E Connector 2 Wire lamp ES Protective earth screw Colors BLK Black BLU Blue GRY Gray ORG Orange RED Red WHT White 1 72 Part 1 System Outline ESIE05 04 Wiring Diagrams S1L Float switch Wired remote controller A1P Printed circuit board BS1 ON OFF button C1R Capacitor Fan BS2 Timer mode start stop button F1T Thermal fuse 152 C M1F embedded BS3 BS8 Programming time button HAP Light emitting diode Service monitor green BS4 BS9 Temperature setting button M1F Motor Fan BS6 Operation mode selector button M1P Motor Drain pump BS7 Timer ON OFF button R1T Thermistor Air BS11 Fan speed control button R2T Thermistor Coil BS12 Inspection test operation button RyF1 4 Magnetic relay Fan BS14 Filter sign reset button RyP Magnetic relay Drain pump H1P Light emitting diode Service monitor red SS1 Selector switch Emergency LCD Liquid cristal display TIR Power supply transformer 220 240V 21 8V SS1 S
231. the power supply off once and back on and measure the output voltage of connector X29A when the power supply is turned back on Is continuity no YES continuity reversed 220 240 VAC No Replace the indoor unit PC board Replace the swing motor assembly S2577 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 19 Troubleshooting ESIE05 04 1 4 Procedure of Self Diagnosis by Remote Controller The inspection test button The following modes can be selected by using the Inspection Test Operation button on the remote control Depress Inspection Test Operation button for more than 4 seconds Indoor unit settings can be made Service data can be obtained M Filter sign time AN i Wi Malfunciton code history Wi Airflow direction Local Y ae ice M Temperature data of various sections d gt e E Others mod Service settings can be made Ae Wi Forced fan ON M Air flow direction volume setting Depress Inspection Test Operation Press Inspection Test Operation button once button for more than 4 seconds ES Normal mode Press Inspection Test Operation Press Inspection Test Operation button once button once Or after 30 minutes After 10 A est N Following codes can be checked Test N Wi Malfunction codes me ul operation Thermostat is forcibly tu
232. tic nad H Ped ene COMP e Output from Output from Output from relay or switch or SW Switch or microcomputer circuit of U V W of power power transistor transistor 82576 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 9 Troubleshooting ESIE05 04 1 3 8 Cooling heating operation starts but stops immediately Applicable Model Error Detection Method Error Generating Condition Possible Cause All models of SkyAir series Excess charge of refrigerant Air intrudes into refrigerant system Faulty pressure switch Faulty magnetic switch for outdoor unit fan motor Faulty aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interfering item in air flow of outdoor unit Malfunction of outdoor unit fan Soiled air filter of indoor unit Soiled heat exchanger of indoor unit There is some interfering item in airflow of indoor unit Malfunction of indoor unit fan Part 3 Troubleshooting ESIE05 04 Troubleshooting Troubleshooting Is the type of emote controller wired o wireless Wireless operation lamp YES lamp of remote controller Of indoor unit photo sensing section flashing Heating Indoor unit Cooling Outdoor unit NO Does the fan rotate Diagnose based on the
233. tion cover assy B1 4 Flare nut F8 Drain pan assy B1 5 Flare nut F8 1 Drain plug B1 6 Filter not for FCQ71 F9 Sound absorbing material C1 Fan rotor turbo F10 Heat exchanger blind plate assy C2 Lock washer F11 Heat exchanger mounting plate C3 Nut with washer F12 Hold plate assy E1 Switch box assy F13 Panel mounting plate E2 Switch box body F14 Drain pump mounting plate E4 Bell mouth F15 Vibration isolator E5 Switch box cover assy 1 F16 Hexagon mounting bolt E6 Switch box cover 2 F17 Vibration isolator E7 PCB assy F18 Nut with washer E7 1 Capac setting adapt not for FCQ71 F19 Feeler bulb clamp E8 Thermistor Air F20 Thermistor fixing plate E9 Capacitor F21 Rubber bush E10 Terminal F22 Inner heat insulator E11 Terminal block G1 Drain hose E12 Power supply transformer G2 Hose band E14 Wire harness H1 Top tray assy E15 Wire harness H2 Bottom tray assy E16 Wire harness K1 Drain hose assy E19 Earth wire K2 Hose band E20 Earth screw K3 Insulation for joint liquid E21 Thermistor liquid K4 Insulation for joint gas E22 Thermistor coil not for FCQ71 K5 Sealing material Part 5 Disassembly and Maintenance Disassembly and Maintenance ESIE05 04 1 3 FCQ100 125B Exploded view The illustration below shows the exploded view aa E Eto T M E12 En E e3 9 Es ES E19 oS x Em E7 1 5 6 Part 5 Disassembly and Maintenance
234. to 23 C D gt B Body thermostat sensor is used for temperatures from 23 C to 18 C B gt A 2 12 Part 2 Functional Description ESIE05 04 Functional concept 1 9 Forced Thermostat OFF Outline Condition 1 cooling Condition 2 heating Reference The unit will perform the forced thermostat off function in following conditions Thermostat off due to freeze up prevention Prevent the indoor unit heat exchanger from freezing in cooling operation when one of the below conditions is applicable m Indoor unit heat exchanger temperature lt 5 C for 1 minute continuously Wi Indoor unit heat exchanger temperature lt 1 C for 40 minutes accumulated Thermostat off due to high outdoor temperature When the outside temperature is gt 30 CDB in heating mode the unit will conduct a forced thermostat off operation to protect the system Freeze Prevention Function Refer to page 2 14 Part 2 Functional Description 2 138 Functional concept ESIE05 04 1 10 Freeze Prevention Function Purpose In order to avoid formation of ice on the indoor unit heat exchanger in cooling and dry mode the system automatically starts up a freeze prevention cycle when a number of specific conditions are fulfilled Freeze Prevention Freeze prevention start decided by the indoor unit factory setting start conditions Wi Indoor coil temperature x 1 C for 40 minutes accumu
235. to NOP at switch VAC No unit PCB high X15A Yes Yes Yes y y y There is a malfunction Remove the float switch from Rel 11 place the of the drain system X15A short circuit x1 5A and drain pump restart operation Does A3 appear on the remote No Replace float controller display Switch Yes Replace indoor unit PCB Remark If A3 is detected by a PC board which is not mounted with X15A the PC board is defective Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 34 Part 3 Troubleshooting ESIE05 04 Error Codes 2 4 Malfunctioning Drain System AF Error code LED indications Error generation Causes Troubleshooting Caution TI The table below shows the LED indications Operation HAP green HBP green Normal 3 3 Malfunctioning E S 3k The error is generated when the float switch changes from ON to OFF while the compressor is OFF The possible causes are Wi Error in the drain pipe installation W Malfunctioning float switch W Malfunctioning indoor unit PCB Are float Switch and drain NO pipe normal Is water drainage system normal In FHQ and FAQ problems can also occur in the optional drain up kit Possible failure of float switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water
236. ts 5 Take out the two tie Wi Heat resistance tie wrap is wraps fixing the anti sweat tube of header and thermistor Be sure not to take out other tie wrap Pull out the thermistor from the insertion pipe Thermistor for heating The upper one wrapped with a yellow tape Thermistor for liquid pipe The lower one without taping Anti sweat tube used Be sure to use a heat resistance tie wrap when installing new thermistor Heat resistance tie wrap Parts No 1278921 Drg No 4SA90202 1 m Replace thermistor as an ass y Two thermistors are bound with special heat resistance tube Part 5 Disassembly and Maintenance 5 65 Disassembly and Maintenance ESIE05 04 1 12 12 Replacement of Heat Exchanger Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the heat exchanger 1 Remove the refrigerant pipe after completion of refrigerant collection and pump down operation m This work should be performed with two personnel including one person for supporting the heat exchanger to avoid falling down during the work 2 Remove the fixing plate of heat exchanger Heat exchanger fixing plate S2675 3 Remove the pipe fixing plate mounted with two gt S screws o Pipe fixing plate
237. ttallation 1 Engage the swing motor side gear with the panel side one Otherwise faulty swinging operation or abnormal noise may be caused Install the motor after checking of correct gear engagement SA Motor side gear Panel side gear WSN 9p S2649 2 Install the swing motor in B When install the decoration reverse process of panel be careful not to catch removal procedure the lead wire S3 After installing the swing motor be sure to turn on the power switch for resetting for initializing the vane positions 5 52 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 6 Removal of Switch Box Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Remove decoration panel first 1 Remove the lid of switch an x box Two pieces of M4 7 screws Fixing screw M5x12 2 Disconnect the connection wires for outdoor units and earth wire At this time cut the tie wrap fixing the connection wires Fixing SOS Q X S Le Q 7 i Z5 x Outdoor unit connection wire terminal mely Outdoor unit HW connection wire and earth wire 82651 Disconnect wire of remote controller also At this time cut the tie wrap fixing the wire of remote controller Tie wrap
238. ue ainyesadwa ay ueuM e3ep 10 19 01JuO9 e10uJeJ ssajaJim jo BuiweJp eui o1 Jejed 19419991 euis e eq jim uonisod SIU j9j0009 e10uJ81 ssajasm Buisn jo aseo U Z IJB uonons episui eure jeuui ay uo jeued uonej09ep 10 11146 uonons apisu you eq eui uo yun Joopur 104 ere d eureu sun jo uoreoo SALON uonoeuuo9 yonp youleg nmt T y 90N yoq uorsuedsns ama tt 4 Flee masali A hi uonoeuuoo jonp uoueig opis m E uoroeuuoo edid m gt 5 9 a E JE aio E z o a TEE TS A E E 3 t 218 oro olo oS B S ELLE 2 a M 3 b E uojoeuuoo ureJq L m O O Z 30N p 30N eoeds Buiuedo EO Lm 098 00 Part 1 System Outline 1 10 ESIE05 04 General Outline Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply Wiring Remote controller connection Power supply connection Air Outlet Suction grille Corner decoration cover olol NI aJ oa AJ OJN Drain hose accessory Part 1 System Outline ESIE05 04 General Outline FFQ25 35 50 60B 1 6 The illustration below shows the outlook and the
239. ug Error generation The error is generated when in case of controlling with two remote controllers the microprocessor detects that the transmission between the indoor unit and the remote controllers MAIN and SUB is not normal over a certain amount of time Causes The possible causes are W Transmission error between MAIN remote controller and SUB remote controller W Connection among SUB remote controllers W Malfunctioning remote controller PCB Troubleshooting SS 1 switch on remote controller PCB is turned to MAIN Controlling with O 2 remote controller Turn the SS 1 switch of one remote controller to MAIN Turn OFF the power supply and restart operation YES Both SS 1 NO switches on remote v p Turn OFF the power once and controllers are turned A SUB restart operation lo Replace remote controller PCB if any error is generated p Turn the SS 1switch of one remote controller to MAIN Turn OFF the power supply and restart operation Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 49 Error Codes System Malfunctions ESIE05 04 3 5 Malfunctioning Field Setting Switch UR Error code UH Error generation The error is generated when incorrect field settings have been set for pair twin triple double twin Causes The possib
240. uit ate 4 16 MAIN SUB when using two remote controllers 0 0 0 0 0 2 4 18 Settings Changing maintenance mode 0 eee 4 21 Factory overview indoor units 2 use phy eck ces Ege pre ant irc s Tyee yen be cata 4 14 Feld overview indoor units 0 cece cette ete eee 4 13 Maintenance Mode s20s ida Ten ee ada rd A AA 4 22 Possible system settings ieun corel raci n Qa e Etre ree eg ela let ola a a dorus 4 21 Simulated operation function Load iaa ere RIED SEE DRE e uet 2 8 Specifications ts oot f golden atit aed verlor ost dune aed aer aree Re ctt nel 1 45 Standard Gonditions noc S A Urb DP DER VC EET EE NUS 4 25 S ction Grile serari ram amp eR XX REIS RAW ENG S ed etd A 5 23 5 43 5 80 5 96 Swing Motor cert a ad 5 51 5 93 5 107 5 120 Switch box Layouts Sah ae data wee tna A M ee ox ebat dU d a 1 95 Removal 242442 5b PRAE EE V AH RO SG Ned ded du D E east 5 53 T Lechnical specifications ns tete ds c ab A da tcn 1 45 Test run Checks 4 ia e e pte ret s oe SERE putt pd A Qr ae v es ple SUR Bue id 4 4 Thermistor Indoor Heat Exchariger 2 2 925 Spe eiu OIM spen ITA a a gas 5 64 Thermistors Checking xu px die ETE RERq AE SIS Ru n rio avt o e osda a d A ipis 3 56 Eunetioris gt acis ne La wed a EI IU lE Ed oe SE dete atis eri er ttd 2 4 OG AUING saris eet ages wast Seatac vac eati ating Pe Whats Fer pectet ae tantaque AE os qe dead 2 4 Troubleshooting Based on Equipment Condit
241. uit board TIR Transformer X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 106 Part 1 System Outline ESIE05 04 PCB Layout 6 PCB Layout 6 1 What Is in This Chapter Introduction Indoor units This chapter contains the following information Wi li describes which unit uses which PCB types lt shows the PCB connectors This chapter contains the following PCB layouts PCB layout See page 6 2 FCQ35 50 60B 1 108 6 3 FCQ71 100 125B 1 109 6 4 FCQ71 100 125 140D 1 110 6 5 FFQ25 35 50 60B 1 112 6 6 FBQ35 50 60 71B amp FDEQ71B 1 113 6 7 FBQ100 125B amp FDEQ100 125B 1 114 6 8 FDQ125 200 250B 1 115 6 9 FHQ35 50 60B 1 116 6 10 FHQ71 100 125B 1 117 6 11 FUQ71 100 125B 1 118 6 12 FAQ71B 1 119 6 13 FAQ100B 1 120 Part 1 System Outline 1 107 PCB Layout ESIE05 04 6 2 FCQ35 50 60B PCB The illustration below shows the PCB connectors X20A X27A X11A X10A X33A X19A X60A X61A E X5A X35A X24A X15A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A TIR Transformer secondary side X11A TIR Transformer primary side X15A 33H Float switch X17A R3T C
242. uit board A2P A3P Printed circuit board CAR Capacitor M2F BS ON OFF button HAP Light emitting diode Service monitor green H1P Light emitting diode on red M1A Motor Swing flap H2P Light emitting diode timer green M2F Motor Indoor fan H3P Light emitting diode filter sign red M3P Motor Drain pump H4P Light emitting diode defrost orange Q1F Thermo switch M2F embedded SS1 Selector switch Main Sub R1T Thermistor Air SS2 Selector switch Wireless address set R2T Thermistor Liquid RyP Magnetic relay M3P Adaptor for wiring SS1 Selector switch Emergency RyC RyF Magnetic relay TIR Transformer 220V 240V 22 V X1M Terminal strip Power Connector for optional parts X2M Terminal strip Control X60A X61A Connector Interface adaptor for Sky Air series PC Phase control circuit X33A Connector Adaptor for wiring RC Signal receiver circuit X35A Connector Group control adaptor TC Signal transmission circuit X40A Connector Remote ON OFF Forced OFF Wired remote cont roller SS1 Selector switch Main Sub Part 1 System O utline 1 65 Wiring Diagrams ESIE05 04 4 4 FCQ71 100 125 140D Wiring diagram The illustration below shows the wiring diagram of the unit Receiver Display Unit n is ju to Outdoor E TEM 113 Unit 1 Y aie NJ utt gt y Note 5 Note 5 Central Remote Controller In case of simulta
243. unction Detection Malfunction When ON OFF of the micro switch for positioning cannot be reversed even through the swing flap Decision motor for a specified amount of time about 30 seconds Conditions Remark Some functions can force the swing flap into a fixed position altough swing mode is selected on the remote controller This is not an unit error but a control function to prevent draft to the customer Before starting the troubleshooting make sure the swing flap is not forced into such a fixed position e g Hot start defrost operation thermostat OFF in heating operation or freeze prevention in cooling operation For details see Fan and Flap Operations on page 2 22 Possible Causes Wi Faulty swing motor m Faulty micro switch Wi Faulty connector connection n Faulty indoor unit PC board 3 18 Part 3 Troubleshooting ESIE05 04 Troubleshooting Troubleshooting Are the connectors NO corectly ron gt Connect correctly the PC board YES Is the limit Switch s transfer NO connector correctly gt Connect correctly connected YES Turn the power supply off once and back on and check whether the swing flap motor swings when the power supply is turned back on Disconnect X144 turn the power supply off once and back on and check if the limit switch has continuity when the power supply it turned back on Does the flap swing NO Turn
244. ure control Weight Unit Specification FAQ71BUV1B FAQ100BUV1B Heat exchanger Rows x stages x fin pitch 2x 16x 1 4 mm 2x12x 1 4mm Face area 0 289 m 0 332 m Tube type Hi XA N Hix Fin type Multi louver Fan Air flow rate cooling high 19 0 m min 23 0 m min Air flow rate cooling low 15 0 m min 19 0 m min Air flow rate heating high 19 0 m min 23 0 m min Air flow rate heating low 15 0 m min 19 0 m min Qty x model rotor 1 x QCL9886M 1x QCL1163MA 1x QCL1163MB Qty x model motor 1x 1 x DO9P49A23 ARW30R8P43DA Fan speed 2 steps Fan type Cross flow fan Refrigerant Type R410A Fan motor thermal OFF 130 5 C protector ON 83 20 c Resin net mildew proof Microcomputer control 13 kg 26 kg The table below contains the electrical specifications Specification Unit Fan motor Phase FAQ71BUV1B FAQ100BUV1B 17 Voltage 220 240 V Frequency 50Hz Power consumption 68 W 101 W Nominal running current FLA Full load amps 0 4 A No of motors x output 1x43W 1x49W Part 1 System Outline 1 53 Specifications ESIE05 04 2 10 FDEQ B Technical The table below contains the technical specifications specifications Specification FDEQ71B7V3B FDEQ100B7V3B FDEQ125B7V3B Heat exchanger Rows x stages x fin
245. vA accade ee dbi ie Mule e e egal su iere ROM A NO Rue Uere e eR ECC PCIE Saya e t 3 35 Ai Fill8tau eue RR ERR ORO READ EUN E EE Ay E 5 44 5 80 5 95 5 112 5 123 A E NN 3 38 Automatic restart 22k A AAA o Ed oe pnd tale Qu AAA 2 10 CA YEA DIARY GR DNO ERI URS RU CHI FE e d eli ede b dedi ed d 3 40 RR RO 3 40 OU A AA A A a ea teeni maia 3 40 CE OL M RU CC T 3 43 Geiling Hielght 2m o o eerte st redet atre tute e a erede d nU edd 4 15 Centralized Address Setting Error 0 0 0 2 o 3 52 Centralized group No Settig oooocooccccccocncnnannc nne 4 19 Changing Field settings wired remote controller 0 0 00 000 cece eee 4 11 Field settings wireless remote controller llli lille 4 12 Maintenance mode settings ocoococcocccoccocc es 4 21 Checking Clogged points urea eden ae ks Ee e bd e Rr darent i ded 3 60 Fan mototzz i ocu deseen tete erae e ta See Dele ultr VER Novice pe 3 61 PGB s Hall lata te rd A AI A da S E d 3 54 Power supply wave form 0 0 nnn 3 55 T6SETUn Cle KS ouo Mish bae te nt eta estt enero sat wie MARRE PER Bci 4 4 iTHSEIRISTOTS ote ert trier entm tue oue S Geeta It lei t ody lad aa ido 3 56 Od rane us secu Ie RO EI e EAE REY SOR i ome qeu AR Deena IN RN 3 42 Combination OVerView ioo tot e Ne OR e te Deb HE Nue dado Tcl acis d ette tiia i i ii Components Exploded views indoor units ooooococccccco RR e 5 3 Functional diagrams io x are ema toic A ose eC RH RUE
246. wires of fan motor and thermistor into the wiring groove securely as they were taking care that the wires do not contact with fan rotor 11 Tighten the two screws to install the bell mouth m A convex protrusion is provided at the position of bell mouth fixing screw to prevent misjudgment with switch box fixing position Bell mouth is formed with step 2654 5 70 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance Step Procedure Points m For installation of the switch box refer to the Removal of Switch Box on page 5 53 12 Install the switch box with two M4 screws and one M5 screw W For re wiring inside the switch box refer to the Replacement of PC Board on page 5 72 Part 5 Disassembly and Maintenance 5 71 Disassembly and Maintenance ESIE05 04 1 12 13 Replacement of PC Board Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the PC Board 1 Remove the switch box cover Air temperature thermistor X19A M4 screwx2 High tension cable of transformer X11A Low tension cable of transformer X10A 2 Disconnect the Outdoor unit connection wire X27A connectors shown in the Fan motor lead wire X20A right connected to the PC Lead wire of remote controller
247. x side first 4 Loosen the other two screws by approx 10 mm The decoration panel is hung with these two fixing screws and the 2639 provisional hanger Part 5 Disassembly and Maintenance 5 47 Disassembly and Maintenance ESIE05 04 Step Procedure Points 5 Turn the provisional hanger to disengage it from the hook of switch box and slide the decoration panel in the arrow direction to remove the panel GO A 82641 5 48 Part 5 Disassembly and Maintenance ESIE05 04 Disassembly and Maintenance 1 12 4 Removal of Horizontal Vane Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the decoration panel B Referto the Removal of Decoration Panel Remove the padding at four corners of frame fixed with three screws each At that time peel the end of black sealing material of discharge port in part Note When restore the sealing material of discharge port be careful that no clearance exists between padding and sealing material as original installation Otherwise due dripping may occur due to leakage of cool air m Peel not the anti sweat material but only sealing material of discharge port Anti sweat material

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