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Service Manual

1. Wiring diagram The illustration below shows the wiring diagram of the unit fey indoor POS 71 100 CLASS 230V i S1PL 213 RIT RT RST a AD e a o SB oe 3 e OR IE E outdoor A AIP OO O O lOO lOO 500 X4A X5A X6A X10A FU on _DS1 or Mm es zm OFF mug SWITCH BOX O OUTDOOR X11A o lent ED one de E m Km E P K7R K6R K5R EN K2R KAR K3R cil L H HH c Pu Ow xaO OO X2TA X22A X25A ORG BLU BLK P vis ms CTT Hemel TI me Mm YRED E i j KiM ef wf mn z AP CBR EEE FELDWRNG BLK BLACK RED RED CLIT TERMINAL BLU BLUE WHT WHITE 2 Z x POSTIONOF a L LIVE ORG ORANGE YLW YELLOW M c COMPRESSOR ui _N NEUTRAL ak TERMINAL y E CONNECTOR S 4 J al PROTECTIVE EARTH SCREW me oe gt TERMINAL ENTRANCE NOTE CONFIRM THE METHOD OF SETTING THE DIP SWITCH DS1 BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26326 1 A1P Printed circuit board M1F Motor fan BS1 Push button switch PC Power circuit Forced defrost pump down Q1M Thermo switch M1F C1 Capacitor M1F R1T Thermistor Air C3 Capacitor M1C R2T Thermistor Coil DS1 Dip switch R3
2. 1 8 Remote Controller Display Malfunction Code and Contens i See Conients Processing Remarks Al Failure of PC board ass y for indoor unit A3 Malfunction of water level system A6 Indoor unit fan motor overload overcurrent lock AF Malfunction of water level system Float switch is OFF during indoor unit stops AJ Failure of capacity setting Either capacity data is set incorrectly or capacityhas not been set for the data IC C4 Malfunction of heat exchanger temperature sensor system c9 Malfunction of suction air temperature sensor system CJ Malfunction of remote control temperature sensor system The remote controller thermistor does not function but the system thermostat opera tion is possible EO Actuation of safety device outdoor unit El Outdoor P C board malfunction E3 High pressure malfunction outdoor unit E4 Low pressure malfunction outdoor unit E6 Compressor overcurrent E9 Malfunction of electronic expansion valve outdoor unit F3 Discharge pipe temperature malfunction outdoor unit H3 Failure of high pressure switch outdoor unit H9 Malfunction of outdoor air temperature sensor system See Note below outdoor unit J2 Malfunction of current sensor system J3 Malfunction of discharge pipe temperature sensor system outdoor unit J6 Malfunction of heat exchanger temperature sensor system See Note below outdoor unit PJ Failure of capacity setting o
3. No Component Function remark la Flare connection See pipe connection diameter 2b Liquid stop valve The liquid stop valve is used as shut off valve in case of a pump down with service port 3 Gas stop valve with The gas stop valve is used as shut off valve in case of a pump down service port 4 Compressor The compressor can restart after 3 min from last stop 5 Electronic expan The expansion valve expands the liquid to enable evaporation in the evaporator The opening sion valve degree is controlled to obtain the optimum discharge temperature 6 Heat exchanger The heat exchanger is of the multi louvre fin type Hi X tubes and coated waffle louvre fins are used 7 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 8 Liquid receiver The liquid receiver is used to make sure only completely liquefied refrigerant is sent to the expan sion valve It is also used as a container in which surplus refrigerant is stored 9 Check valve with The check valve allows you to connect a gauge service port 10 Low pressure switch The low pressure switch stops the operation of the unit when the pressure becomes abnormally low 11 High pressure The high pressure switch stops the operation of the unit when the pressure becomes abnormally switch high 12 Propeller fa
4. Outdoor fan ON OFF il I l timer l I Compressor ON l OFF Area 1 2 3 Area 4 5 6 7 8 9 Timer 30 seconds 10 seconds thermostat ON Area 1 180 sec fan start control 20 sec 20 sec ON lt gt gt lt gt Outdoor fan h OFF Duidoorfan ON i normal fan operation Tc gt 56 6 C OFF L et Outdoor fan ON gt normal fan operation Tc lt 56 5 C OFF fF geemese l r 30 sec l l l EN l I I l Compressor ON i OFF Part 2 Functional Description 2 43 Overview of the heating mode functions ESIE05 01 3 5 Normal Outdoor Fan Control in Heating Mode Applicable units RQ71 125B Purpose The purpose of the normal outdoor fan control is to Reduce the chance of overload during high ambient temperature Reduce the chance of icing up Method Normal fan control operation is done after 5 min of starting fan control operation The operation range is divided into two areas A and B Outdoor air o temp CDB 9 temp 21 60 AA E 9J 53 6 4 5 52 4 51 50 49 10 47 3 10 17 24 30 Indoor air A B temp CDB Example For area A the fans go From L speed to OFF at 51 C From OFF to L speed at 49 C 2 44 Part 2 Functional Description ESIE05 01 Overview of the heating mode functions Different fan speeds Used input
5. Yes Faulty refrigerant piping circuit Tc HP gt Ta outdoor 30 C Replace outdoor Replace outdoor No unit PCB set value 1 gt HP gt set value 2 Nop unit PCB Tc HP heat exchanger temp dee Ta indoor indoor air temp Ta outdoor outdoor air temp Faulty refrigerant HP high pressure piping circuit set value 1 max pressure set value 2 min pressure Refer to high pressure settings Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 44 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 5 Abnormal Low Pressure Detected by the LPS E4 mi Error code Error generation The error is generated when the low pressure switch is activated during compressor operation Causes The possible causes are Malfunctioning refrigerant piping circuit Malfunctioning low pressure switch Disconnected or broken low pressure switch harness Malfunctioning low pressure switch connector connection Malfunctioning outdoor unit PCB Stop valves are not opened LPS settings The table below contains the preset LPS values Applicable units Abnormal Reset RR RQ71 125B lt 0 3 bar gt 0 5 bar Part 3 Troubleshooting 3 45 Error Codes Outdoor Units ESIE05 01 Troubleshooting To troubleshoot proceed as follo
6. Overview The table below contains an overview of the outdoor safety devices Overload Thermal Overcur A F Reverse High Low Applicable out hase contact protec rent relay ress r ress r door unit p compres tor fan compres pre pre protector switch switch sor motor sor RR71B7V3B X Xx xX RQ71B7V3B RR71B7W1B X RQ71B7W1B RR100B7V3B RQ100B7V3B RR100B7W1B X RQ100B7W1B RR125B7W1B RQ125B7W1B Part 3 Troubleshooting 3 19 Troubleshooting ESIE05 01 1 13 Outdoor Safety Device Thermal Protector Fan Motor Thermal protector The table below describes the thermal protector of the fan motor fan motor Applicable Wiring Location senings Type outdoor unit symbol safety Abnormal Reset Reset RR71B7V3B RQ71B7V3B Outdoor fan RR71B7W1B motor RQ71B7W1B Q1M Q1M con RR100B7V3B nected to XTA gt 135 5 C lt 95 15 C Automatic RQ100B7V3B RR100B7W1B Q2M con RQ100B7W1B nected to X12A RR125B7W1B Q1M and RQ125B7W1B Q2M 3 20 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 14 Outdoor Safety Device Reverse Phase Protector Reverse phase The table below describes the reverse phase protector protector Du Type Applicable outdoor unit Wiring Location safety symbol Reset RR71B7V3B No reverse phase protector RQ71B7V3B RR71B7W1B PRC Switch B
7. 2 Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 Mpa 1 0 19716 kgf cm Pos MPa HFC 32 1125 igo 200 250 50 50 met ae dl THH Hit HERPEN 3560 406 aie ane zap 550 GR it 600 EAD hf kd kg Pressure Enthalpy curves of HFC 32 125 50 50wt xii ESIE05 01 Introduction Thermodynamic characteristic of R410A DAIREP verz 0 Temperature Steam pressure Density Specific heat at constant Specific enthalpy Specific entropy C kPa kg m pressure kJ kgK kJ kg kJ KgK Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor 36 13 36 1 1410 7 A sir OOF 100 8 090 6 0 639 40 83 4080 14047 37 a 103 6 391 8 0 063 45 02 45 98 1398 6 s ic 106 3 393 0 0 676 51 73 ALR 13925 TF ua 10841 394 1 0 685 58 00 27 94 1386 4 i JIE 111 9 395 13 0 702 64 47 LAG 1380 2 JT aT ELG 396 4 0 715 72 38 TAD 1374 0 LJ 117 4 307 6 0 728 89 57 0 46 1367 8 120 1 398 7 0 741 89 49 Aa af 1261 6 122 9 JODA 0 744 49 18 99 03 1365 3 125 7 400 9 0 766 1914 101 17 J54 4 154 TAL 12 3 401 1 0 769 103 69 109 51 149 0 4 474 g 128 5 462 0 0 779 121 07 120854 1342 7 4 509 f DTE 131 2 AGL 0 791 133 36 133 11 ieee DSTT a 0 764 44 0 464 1 0 80 146 61 145 42 1330 0 5 880 1 0 770 36 4 405 2 0 816 160 39
8. Note In case of twin triple application designate the remote controller that is equipped with the most functions as the master main unit In below table units are listed in order of available functions most functions are on FCQ less functions are on FBQ FCQ35 71 FFQ35 60 FUQ71 FHQ35 71 FAQ71 FBQ35 71 xi Introduction ESIE05 01 1 3 1 3 1 Outline Precautions on handling new refrigerants About Refrigerant Characteristics of new refrigerant R410A ON 1 Performance Almost the same performance as R22 and R407C 2 Pressure Working pressure is approx 1 4 times more than R22 and R407C 3 Refrigerant composition Few problems in composition control since it is a Quasi azeotropic mixture refrigerant HFC units Units using new refrigerants HCFC units R410A R22 Refrigerant name R407C Quasi azeotropic mix Single component refrig Composing Non azeotropic mixture substances of HFC32 HFC125 and ture of HFC32 and erant HFC134a 1 JFC125 1 Design pressure 3 2 Mpa gauge pres 4 15 Mpa gauge pressure 2 75Mpa gauge pressure sure 32 6 kgf cm 42 3 kgf cm 28 0 kgf cm Refrigerant oil Synthetic oil Ether Mineral oil Suniso Ozone destruction 0 0 0 05 factor ODP Combustibility None None None Toxicity None None None 1 Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points
9. UA A A A A QA 1891 9 1884 2 034 9 1991 3 1983 2 024 1 2004 5 2086 2 1012 9 2201 7 2195 1 001 4 2413 0 2304 0 999 5 2448 4 24198 977 3 2548 1 2538 6 964 6 2672 2 26624 9514 2500 7 27907 HATT 2933 7 AXLA 923 3 HA A A A A en en 2071 5 lt A0bt 2 908 2 38 6 2 7 2 0150 BAAN BAKLA 842 2 A7 ZA 2 201 zapla Aal 0 KT hl 2 dei 30030 856 9 SO7 3 3BGLA 510 9 ARL 1624 2 REA 002 1 KETEN 790 1 LTB 41068 S6L0 xiii Introduction ESIE05 01 1 3 2 Refrigerant Cylinders Cylinder The cylinder is painted refrigerant color pink specifications The cylinder valve is equipped with a siphon tube Cylilinder Siphon tube Note 1 Refrigerant can be charged in liquid state with cylinder in upright position 2 Do not lay cylinder on its side during charging since it causes refrigerant in gas state to enter the system Handling of 1 Laws and regulations cylinders R410A is liquefied gas and the High Pressure Gas Safety Law must be observed in handling them Before using refer to the High Pressure Gas Safety Law The Law stipulates standards and regulations that must be followed to prevent accidents with high pressure gases Be sure to follow the regulations 2 Handing of vessels Since R410A is high pressure gas it is contained in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels
10. 166 07 161 36 23 21 85 21 37 63 4 46 4 38 16 156 80 152 38 24 20 90 20 45 64 4 30 4 23 15 148 10 143 96 25 20 00 19 56 65 4 16 4 08 14 139 94 136 05 26 19 14 18 73 66 4 01 3 94 13 132 28 128 63 27 18 32 17 93 67 3 88 3 81 12 125 09 121 66 28 17 54 17 17 68 3 75 3 68 11 118 34 115 12 29 16 80 16 45 69 3 62 3 56 10 111 99 108 96 30 16 10 15 76 70 3 50 3 44 9 106 03 103 18 31 15 43 15 10 71 3 38 3 32 8 100 41 97 73 32 14 79 14 48 72 3 27 3 21 7 95 14 92 61 33 14 18 13 88 73 3 16 3 11 6 90 17 87 79 34 13 59 13 31 74 3 06 3 01 5 85 49 83 25 35 13 04 12 77 75 2 96 2 91 4 81 08 78 97 36 12 51 12 25 76 2 86 2 82 3 76 93 74 94 37 12 01 11 76 77 2 77 2 72 2 73 01 71 14 38 11 52 11 29 78 2 68 2 64 1 69 32 67 56 39 11 06 10 84 79 2 60 2 55 0 65 84 64 17 40 10 63 10 41 80 2 51 2 47 1 62 54 60 96 41 10 21 10 00 2 59 43 57 94 42 9 81 9 61 3 56 49 55 08 43 9 42 9 24 4 53 71 52 38 44 9 06 8 88 5 51 09 49 83 45 8 71 8 54 6 48 61 47 42 46 8 37 8 21 7 46 26 45 14 47 8 05 7 90 8 44 05 42 98 48 7 75 7 60 9 41 95 40 94 49 7 46 7 31 10 39 96 39 01 50 7 18 7 04 11 38 08 37 18 51 6 91 6 78 12 36 30 35 45 52 6 65 6 53 13 34 62 33 81 53 6 41 6 53 14 33 02 32 25 54 6 65 6 53 15 31 50 30 77 55 6 41 6 29 16 30 06 29 37 56 6 18 6 06 17 28 70 28 05 57 5 95 5 84 18 27 41 26 78 58 5 74 5 43 19 26 18 25 59 59 5 14 5 05 Part 3 Troubleshooting 3 77 Additional Checks for Tro
11. 7 WonsorF ae TIME UP DOWN UP Q ran OWN RESERVE CANCEL TIMER MODE 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 INIT No DON OFF RESERVE CANCEL mo TIME UP DOWN e FAN TIMER MODE MODE ING A SW 3 10 Part 3 Troubleshooting ESIE05 01 Troubleshooting 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 DOWN 7 ET rp 4 FH 5 PT rae 6 UP 3 DOWN B 5 ee RESERVE CANCEL P TIMER t MODE En F H E E A G CS up O T 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 The right 0 lower digit indication of the error code flashes WonsorF RESERVE CANCEL TIMER MODE A SWING MODE Part
12. Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 28 Part 3 Troubleshooting ESIE05 01 Error Codes Indoor Units 2 4 Indoor Unit Fan Motor Lock A6 ao an Error code LED indications The table below shows the LED indications Operation HAP green HBP green Normal 3 Malfunctioning stg Cs Error generation The error is generated when the fan rotations are not detected while the output voltage to the fan is at its maximum Causes The possible causes are Malfunctioning indoor unit fan motor Broken or disconnected wire Malfunctioning contact Malfunctioning indoor unit PCB Part 3 Troubleshooting 3 29 Error Codes Indoor Units ESIE05 01 Troubleshooting Caution To troubleshoot proceed as follows Check the connections of X20A and X26A Are X20A and X26A Connect X20A properly No gt and X26A connected correctly Yes Unplug X26A and switch the power supply on Check the voltage between pins 1 and 3 of X26A Replace indoor unit PCB Is there about 12 VDC NO Check indoor unit fan motor and motor wiring Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 30 Part
13. Field settings ESIE05 01 2 7 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 First Code N Second Code N UNIT No Unit N i an croup H A cu Field Set SETTING Is Mode I v 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 OQ appears 4 Press the INSPECTION TEST button to 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
14. Is the connection correct Correct the connection No lt Refer to fan motor condensator connection Yes Replace fan motor Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Part 3 Troubleshooting 3 41 Error Codes Outdoor Units ESIE05 01 3 3 Failure of Outdoor Unit PC Board El Remote Controller Display Method of Malfunction Detection Malfunction Decision Conditions Possible Causes Troubleshooting Caution ad A microcomputer checks whether or not E2PROM is normal The E PROM is malfunctioning when the power supply is turned on Faulty outdoor unit PC board Turn the power supply off once and then back on YES Reset normally NO Could result from external cause e g noise other than malfunction Replace the control PC board Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 42 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 4 Abnormal High Pressure Detected by the HPS E3 m un Error code Error generation The error is generated when the high pressure switch is activated during compressor operation Causes The possible causes are Abnormal high pressure caused by too much refrigerant or by non condensable ga
15. System Outline 1 31 Switch Box Layout ESIE05 01 4 2 RR RQ71 100B7V3B Switch box The illustration below shows the switch box layout PCB c3 c1 CT K1M X1M X2M Components The table below contains the components of the switch box Symbol Component PCB Printed Circuit Board C1 Fan motor capacitor M1F C3 Compressor capacitor M1C CT Current transformer K1M Magnetic contactor compressor X1M Terminal strip power supply X2M Terminal strip interconnection wiring 1 32 Part 1 System Outline ESIE05 01 Switch Box Layout 4 3 RR RQ71 100B7W1B Switch box The illustration below shows the switch box layout c1 CT K1M X1M X2M Components The table below contains the components of the switch box Symbol Component PCB Printed Circuit Board C1 Fan motor capacitor M1F CT Current transformer K1M Magnetic contactor compressor X1M Terminal strip power supply X2M Terminal strip interconnection wiring Part 1 System Outline 1 33 Switch Box Layout ESIE05 01 4 4 RR RQ125B7W1B Switch box The illustration below shows the switch box layout PCB X1M X2M Components The table below contains the components of the switch box Symbol Component PCB Printed Circuit Board C1 Fan motor capacitor M1F C2 Compressor capacitor M2F CT Current transformer
16. control the temperature Make sure to set both indoor and outdoor unit to emergency You can end the emergency operation by changing the emergency switch back to normal while the power is OFF Emergency The table below describes what happens when you change the emergency switch to emergency operation Changing the emergency switch to emergency for the Switches ON Indoor unit Indoor fan Drain pump Outdoor unit Compressor Outdoor fan s 2 8 Part 2 Functional Description ESIE05 01 General Functionality Time chart The time chart below illustrates emergency operation In cooling the unit runs for 20 min and then stops for 10 min in order to avoid freeze up of the indoor coil During emergency operation do not attempt to operate the equipment from the remote controller The remote controller shows 88 while the emergency operation is active on the indoor unit Power supply 480 Motorized valve Normal control Heating ON Cooling OFF 4 way valve i Compressor i i i Outdoor unit fan Solenoid valve Active components The table below shows when the most important components are active in the different forced operating modes Component Forced cooling Forced heating Forced defrosting Compressor ON ON ON 4 way valve RQ71 125B OFF RQ71 125B ON RQ71 125B OFF Outdoor unit fan H fa
17. e EL COMPO BOX RR71B7V3B Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The table below contains the components of the exploded view No Component No Component 1 Compressor 38 Terminal strip 2 Rubber cushion pre assy 39 Terminal strip 3 Sound insulation for comp 1 40 Terminal strip for CT 4 Bolt for compressor 41 Cup washer 5 Nut with washer 42 Thermistor clamp 6 Plate finned coil heat exch as 43 Fan propellor 7 Liquid receiver assy 44 Washer 8 Flare nut 5 8 45 Top plate assy 9 Stop valve cap 46 Front plate assy 10 Service port 47 Front plate 2 assy 11 Valve core 48 Side plate assy 12 Shraeder round dustcap 49 Part plate assy 13 Low pressure switch 50 Fan motor stand left 14 Gas stop valve assy 51 Fan motor stand right 15 Filter 52 Fan motor stand 16 Muffler 53 Fan motor stand up 17 High pressure switch 54 Cover 18 Motor operated valve body 55 Piping cover rear 19 Solenoid valve body 56 Stop valve mounting plate 20 Liquid stop valve assy 57 Bell mouth assy 21 FI233 Filter 58 Suction grill 22 Strainer 59 Air discharge grill 23 T joint 60 Handle 24 El compo mounting assy 61 Bottom frame assy 25 PCB Assy 62 Installation leg painted 26 Resin cover as
18. lt Test run gt al Please confirm that a test run is performed and that the system can operate normally after finishing the replacement Part 4 Commissioning and Test Run 4 19 Field settings ESIE05 01 Figure 2 The outline drawing of the PCB assembly Nr 4 lt Only cooling machine gt Setting jumper position J4 Nr 1 The attachment position of a capacity setting adaptor X26A Nr 2 lt Only RQ71 100B7W1B gt The connector attachment position for terminal protection X15A Nr 3 lt Only RQ71 100B7W1B gt The attachment position of a short circuit connector X12A ECOAIA AN LE r H ds Figure 3 Capacity establish adaptor outline figure For the correct value refer to accessories table 4 20 Part 4 Commissioning and Test Run ESIE05 01 Field settings 2 9 The Field Setting Levels Introduction The three field setting levels are Inspection level Monitoring level Maintenance mode settings The inspection level 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 Normal display Push INSPECTION TEST button AA Last occurred malfunction Push INSPECTION TEST
19. 1 3 Voltage 230 V 400 V 230 V 400 V Starting method Direct No x motor output 1x2200 W 1x3000 W 1x3750 W Fan motor Phase 1 Voltage 230 V No of motors x output 1x65 W 1x90 W 1x85 1x65 W Part 1 System Outline 1 17 Specifications ESIE05 01 Electrical Data The table below contains the electrical specifications Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kw FLA kw FLA FCQ71 RQ71B7V3B 50 230 15 3 23 2 32 75 5 11 3 0 065 0 6 0 045 0 6 FUQ71 RQ71B7V3B 50 230 15 3 23 2 32 75 5 11 3 0 065 0 6 0 045 0 6 Max 50Hz 264V FHQ71 RQ71B7V3B 50 230 Min 50Hz 198V 16 3 23 2 32 75 5 12 1 0 065 0 6 0 062 0 6 FAQ71 RQ71B7V3B 50 230 15 4 22 9 32 75 5 11 6 0 065 0 6 0 046 0 3 FBQ71 RQ71B7V3B 50 230 15 0 23 5 32 75 5 10 8 0 065 0 6 0 125 0 9 FCQ71 RQ71B7W1B 50 400 230 6 5 11 2 16 41 1 4 3 0 065 0 6 0 045 0 6 FUQ71 RQ71B7W1B 50 400 230 Max 50Hz 6 5 11 2 16 41 1 4 2 0 065 0 6 0 045 0 6 FHQ71 RQ71B7W1B 50 400 230 0 253 V 67 me 16 411 44 0 065 06 0 062 0 6 FAQ71 RQ71B7W1B 50 400 230 360 197 V 63 10 9 16 411 43 0 065 0 6 0 046 0 3 F
20. Part 3 Troubleshooting 3 67 Error Codes System Malfunctions ESIE05 01 4 6 Transmission Error between MAIN Remote Controller and SUB Remote Controller U8 Error code Error generation Causes Troubleshooting Caution C co 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 The possible causes are Transmission error between MAIN remote controller and SUB remote controller Connection among SUB remote controllers Malfunctioning remote controller PCB To troubleshoot proceed as follows SS 1 switch Controlling on remote controller with 2 remote PCB is turned controller to MAIN YES YES Both SS 1 switches on remote NO Turn the SS 1 switch of one remote controller to MAIN Turn OFF the power supply and restart operation controllers are turned to SUB Turn OFF the power once and restart operation Replace remote controller PCB if any error is generated A A Turn the SS 1switch of one remote controller to MAIN Turn OFF the power supply and restart operation Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 68 Part 3 Trouble
21. The table below illustrates the preset temperature range 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Display E Cooling E Initial setting Display Heating Setting Cooling Remote controller Heating Automatic change Wireless Example over 3 Li 7 Mm m H 19 21 22 23 25 When the display is 25 or H 1 Cool heat 2 C Automatic cooling Automatic heating 2 C Thermostat ON Cooling Thermostat OFF s Thermostat ON OFF Thermostat ON Heating 1 Thermostat OFF Part 2 Functional Description ESIE05 01 General Functionality 1 7 Forced Thermostat OFF Applicable units All indoor units Purpose The outdoor unit independently turns its thermostat OFF by means of control other than thermostat OFF commands from the indoor unit Method The table below contains the different conditions for which the thermostat is turned OFF by the outdoor unit Thermostat OFF aid contiol Indicator Starting conditions Result Reset Freeze up function See page 2 29 Cooling overload Outdoor heat Tc gt A C for 90 s The thermo exchanger continuously stat is temperature Te min B max C C for prac turned OFF tice function Next start Heating over Indoor heat Tc gt 60 C for 90 s continu initial open E e ing E V load peak exchanger tem ously
22. let them fall apply impact or roll them on the ground 3 Storage Although R410A is not flammable it must be stored in a well ventilated cool and dark place in the same way as any other high pressure gases It should also be noted that high pressure vessels are equipped with safety devices that releases gas when the ambient temperature reaches more than a certain level fusible plug melts and when the pressure exceeds a certain level spring type safety valve operates xiv ESIE05 01 Introduction 1 3 4 Service Tools R410A is used under higher working pressure compared to previous refrigerants R22 R407C Furthermore the refrigerating machine oil has been changed from Suniso oil to Ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems Therefore gauge manifolds and charge hoses that are used with a previous refrigerant R22 R407C can not be used for products that use new refrigerants Be sure to use dedicated tools and devices Tool compatibility Compatibility Tool HFC HCFC Reasons for change R410A R407C R22 Gauge manifold Do not use the same tools for R22 Charge hose r and R410A Thread specification differs for R410A and R407C Charging cylinder Weighting instrument used for X O HFCs Gas detector The same tool can be used for O Xx HFCs Vacuum pump To use existing pump for HFCs pump with revers
23. on X4A on the outdoor unit PCB ls it connected No Correct the properly connection Yes Check the thermistor resistance Refer to checking the thermistor resistance No Replace the thermistor Replace the outdoor unit PCB See page 3 77 thermistor resistance Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 54 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 11 Malfunctioning Discharge Pipe Thermistor System U3 Error code Jd Error generation The error is generated when the thermistor resistance is out of its range Causes The possible causes are Malfunctioning discharge pipe thermistor Malfunctioning discharge pipe thermistor connector connection Malfunctioning outdoor unit PCB Troubleshooting To troubleshoot proceed as follows Check the connector connection of the discharge pipe temperature sensor R3T on X6A on the outdoor unit PCB Is it connected No Correct the properly connection Yes y Check the thermistor resistance No Replace the thermistor Yes Replace the outdoor unit PCB Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Part 3 Troubleshooting 3 55 Error Codes
24. y Check the refrigerant piping circuit for clogging Check the expansion valve Refer to error E9 Check the discharge thermistor Refer to error F3 Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 62 Part 3 Troubleshooting ESIE05 01 Error Codes System Malfunctions 4 3 Reverse Phase Ul Error code Error generation Causes cz This error code is only for 3 phase equipment The error is generated when the difference between phase L1 and L3 is not 240 The illustration below shows the 3 phase network 240 La The possible causes are Malfunctioning power supply wiring connection Broken or disconnected power supply wiring Malfunctioning outdoor unit PCB Part 3 Troubleshooting 3 63 Error Codes System Malfunctions ESIE05 01 Troubleshooting To troubleshoot proceed as follows Check power L1 L2 L3 400V 110 L1 N 230V 110 L2 N 230V 110 L3 N 230V 110 Does the power correspond with previous data Correct power supply Yes y Turn the power off Change L1 L2 or L2 L3 3 Turn the power on Na Is U1 displayed on the remote controller Phases are not correct Yes Replace outdoor unit PCB Caution Be sure to turn off power switch before connecting or disconnecting the
25. 1 24 3 4 Piping Components 1 29 Part 1 System Outline 1 19 Functional Diagrams ESIE05 01 3 2 RR71B7 RR100B7 and RR125B7 Functional diagram The illustration below shows the functional diagram of the refrigeration circuit piping piping Components For a description of the components see Piping Components on page 1 29 1 20 Part 1 System Outline ESIE05 01 Functional Diagrams Pair system The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RR71B7V3B RR71B7W1B RR100B7V3B A RR100B7W1B Haul RR125B7W1B Gas Pipe connection The table below contains the refrigerant pipe connection diameters O D diameters Model Gas pipe flare Liquid pipe flare RR71B7V3B 15 9 mm 9 5 mm RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B Part 1 System Outline 1 21 Functional Diagrams ESIE05 01 Twin system The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RR71B7V3B RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B Pipe connection The table below contains the refrigerant pipe connection diameters O D diameters Model Gas pipe flare Liquid pipe flare RR71B7V3B 15 9 mm 9 5 mm RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B Note The pipes
26. 1 In these cases close the bottom of the installation frame to prevent discharged air from being bypassed 2 In these cases only 2 units can be installed This situation is not allowed Part 1 System Outline ESIE05 01 General Outline Outdoor Units Stacked The illustration below shows the required installation and service space mm The values in brackets are for the 100 and 125 class Do not stack more than one unit 100 mm is required for the drain pipe on the outdoor unit Seal A in order to prevent outlet air from bypassing With obstacles in front of the air outlet side With obstacles in front of the air inlet side Multiple rows The illustration below shows the required installation and service space mm The values in brackets are for the 100 and 125 class One unit per row Multiple units per row LaH 13H lt L_ 200 300 H amp L installation impossible Part 1 System Outline 1 11 General Outline Outdoor Units ESIE05 01 1 12 Part 1 System Outline ESIE05 01 Specifications 2 Specifications 2 1 What Is in This Chapter Introduction This chapter contains the following information Technical specifications Electrical specifications Electrical data Options For possible options refer to OHEO3 2 or the installation manual Outdoor units This chapter contains the following specificat
27. 160 55 1923 6 6 419 1 OTT 139 6 406 2 0 828 17624 17585 1317 0 6 996 g 3 755 142 4 407 3 0 840 142 71 19247 1310 5 Tl l TIZ 145 3 AB 0 852 210 47 209 86 1304 0 8 275 0 8CG 149 1 409 3 0 864 229 26 ZAR ED 1297 3 2 380 5 0 809 150 9 110 2 0 875 249 46 448 81 790 6 9 734 i 0 817 153 8 411 2 0 887 471 01 270 08 1282 9 10 53 i 0 826 176 6 hal 0 599 241 99 9416 1277 1 11 3 0 835 150 5 113 0 911 JBA 217 52 270 2 12 29 AA 0 444 162 4 414 0 0 922 M4444 Fal 263 3 13 25 i 080 165 4 414 0 6 04 SPA0R ATOHU 256 1 14 28 E CABS 415 7 1945 401 94 400 06 1249 2 15 37 i 2 875 Ti 416 0 0 007 442 96 430 45 242 0 16 52 f C886 11 417 1 0 468 16520 463 64 1234 8 17 74 E 867 ir 418 2 0 050 499 91 408 20 227 5 19 04 AR 2 900 TAGG AILO 0 401 HEAR 534 09 220 0 20 41 TER 4 921 282 Jinn 004 575 2600 A EN HES ALBO 4 EN ho 420 5 014 616 034 613 78 204 9 23 90 tE G47 i 421 2 026 65807 656 02 197 2 23 01 51 160 192 421 59 036 164 15 701 49 189 4 76 72 1524 Barn Gh 425 04H 151 64 748 76 181 4 Te Be ide 0 590 Ga 4232 Ong 501 42 798 41 TRA 30 1B 005 201 2 423 8 070 BART BAGAY 165 4 3216 1 554 GAR 204 424 4 081 308 77 905 16 157 0 Abe 039 207 424 9 1 092 HOG AD AGZ 148 6 57 426 6 103 1026 5 1022 4 140 0 425 0 1 114 1085 1 1131 4 1160 7 1122 5 1219 2 13 5 1290 8 1104 4 1965 5 096 1 1443 4 1085 6 1904 6 075 9 IGISA 1609 2 1066 0 1704 2 1697 2 055 9 1796 2 1788 9 045 5 420 4
28. 3 4 19 05 24 0 23 3 xvi ESIE05 01 Introduction Torque wrench Differences e Change of dimension A Dimension A For class 1 R407C For class 2 R410A Conventional flaring tools can be used when the work process is changed change of work process Previously a pipe extension margin of 0 to 0 5mm was provided for flaring For R410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5 mm For clutch type only Conventional tool with pipe extension margin adjustment can be used Specifications Dimension B Unit mm Nominal size Class 1 Class 2 Previous 1 2 24 26 24 5 8 27 29 27 No change in tightening torque No change in pipes of other sizes Differences e Change of dimension B Only 1 2 5 8 are extended For class 1 R407C For class 2 R410A Dimension B xvii Introduction ESIE05 01 Vacuum pump with check valve Vacuum pump adaptor Reverse flow preventive vacuum adaptor Maximum degree of vacuum 100 7 kpa 5 torr 755 mmHg Specifications Discharge speed 50 l min 50Hz 60 l min 60Hz Suction port UNF7 16 20 1 4 Flare UNF1 2 20 5 16 Flare with adaptor Differences Equipped with function to prevent reverse oil flow Previous vacuum pump can be used by installing adaptor Leak tester Specifications Hydrogen detecting type etc Applicable refrigerants R410A
29. 4 Commissioning and Test Run 4 23 Field settings ESIE05 01 2 10 Overview of the Field Settings RR RQ71 125B Jumpers The table below contains the jumper field settings Jumper Label on PCB Function Applicable units See page Ji Thermo CTR Change thermostat OFF control indoor unit RR71 125B 4 25 J3 Thermo CTR2 Change thermostat ON control indoor unit RQ71 125B 4 25 DIP switches The table below contains the DIP switch field settings DIP Function Details Applicable units See page switch pp pag DS1 1 Emergency ON OFF Switch emergency operation out RR RQ71 125B 2 7 door unit ON DS1 2 Cool Heat Select emergency cooling heating 2 7 operation on outdoor unit DS1 3 NOT USED DS1 4 NOT USED Remote controller The table below contains the remote controller settings settings Mode N First code N Description Second Code N Refer to 01 02 03 16 or26 3 Defrost start setting Factory set Defrost slow Defrost quick 2 38 ting starting starting BS The table below contains the BS field setting BS Label on PCB Function Applicable units Details BS1 Pump down forced Cooling fan only Pump down see further RR71 125B defrost in this section RQ71 125B Heating Forced defrosting RQ only Pump down Pump down is preferably carried out with the indoor unit set to fan only
30. 4 56 0 61 6 126 0 6 0 48 0 57 0 128 0 5 7 3 78 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting 5 8 In cooling operation In heating operation Evaluation of abnormal high pressure Abnormally high pressure level is mostly caused 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 refriger
31. 400 230 14 9 18 5 20 63 7 5 0 065 0 6 0 500 4 2 0 085 0 7 Symbols Notes MCA Min Circuit Amps 1 RLA is based on the following conditions Indoor temp 27 CDB 19 5 CWB TOCA Total Over current Amps Outdoor temp 35 CDB MFA Max Fuse Amps see note 7 2 TOCA means the total value of each OC set LRA Locked Rotor Amps 3 Voltage range Units are suitable for use on electrical systems where voltage RLA Rated Load Amps supplied to unit terminals is not below or above listed operation range OFM Outdoor Fan Motor limits IEM Indoor Fan Motor 4 Maximum allowable voltage unbalance between phases is 2 FLA Full Load Amps 5 MCA MFA MCA 1 25 x RLA all FLA MFA lt 2 25 x RLA all FLA kW Fan Motor Rated Output next lower standard fuse rating Min 16A 6 Select wire size based on the larger value of MCA or TOCA 7 Instead of fuse use circuit breaker 1 16 Part 1 System Outline ESIE05 01 Specifications 2 3 RQ71 RQ100 and RQ125 Technical The table below contains the technical specifications specifications Specification RQ71B7V3B RQ71B7W1B RQ100B7V3B RQ100B7W1B RQ125B7W1B Model JT90G V1N JT90G YE JT125G V1N JT125G YE JT160G YE Type Hermetically sealed scroll type Compressor Refrigerant oil type DAPHNE FVC68D Oil charge 1 5 liter Length 857 mm Rows
32. 42 0 065 0 6 0 045 06 FHQ71 RR71B7W1B 50 400 230 DE Faa 66 112 16 441 43 0065 oe 0 062 06 FAQ71 RR71B7W1B 50 400 230 360 197 V 6 3 10 9 16 41 1 43 0 065 0 6 0 046 0 3 FBQ71 RR71B7W1B 50 400 230 66 115 16 411 41 0065 o6 0 125 09 Symbols Notes MCA Min Circuit Amps TOCA Total Over current Amps MFA Max Fuse Amps see note 7 LRA Locked Rotor Amps RLA Rated Load Amps OFM Outdoor Fan Motor IFM Indoor Fan Motor FLA Full Load Amps kW Fan Motor Rated Output 1 RLA is based on the following conditions Indoor temp 27 CDB 19 5 CWB Outdoor temp 35 CDB 2 TOCA means the total value of each OC set 3 Voltage range Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed operation range limits 4 Maximum allowable voltage unbalance between phases is 2 5 MCA MFA MCA 1 25 x RLA all FLA MFA lt 2 25 x RLA all FLA next lower standard fuse rating Min 16A 6 Select wire size based on the larger value of MCA or TOCA 7 Instead of fuse use circuit breaker Part 1 System Outline Specifications ESIE05 01 Electrical Data The table below contains the electrical specifications for RR100 and RR125 RR100 and RR125
33. Chapter See page 1 General Functionality 2 3 2 Overview of the cooling mode functions 2 27 3 Overview of the heating mode functions 2 37 Part 2 Functional Description 2 1 ESIE05 01 Part 2 Functional Description ESIE05 01 General Functionality 1 General Functionality 1 1 What Is in This Chapter Introduction This chapter 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 chapter contains the following topics Topic See page 1 2 Functions of Thermistors 2 4 1 3 Operating Modes and Control Modes 2 6 1 4 Forced Operating Mode Emergency Operation 2 7 1 5 Outdoor Unit Identification Function 2 10 1 6 Thermostat Control 2 11 1 7 Forced Thermostat OFF 2 13 1 8 HPS and LPS Function 2 15 1 9 Simulated Operation Function 2 16 1 10 Discharge Pipe Temperature Control 2 17 1 11 Gas Shortage Function 2 18 1 12 Drain Pump Control 2 19 1 13 Fan and Flap Operations 2 21 1 14 Auto Restart Function 2 22 1 15 Using Conditions for Remote Controller Thermostat 2 23 1 16 Overcurrent Protection Function 2 24 1 17 Expansion Valve Control 2 25 Part 2 Functional Description 2 3 General Functionality ESIE05 01 1 2 Functions of Thermistors Locating the The thermistors on the
34. METHOD OF SETTING THE DIP SWITCH DS1 BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26416 1 A1P Printed circuit board PC Power circuit BS1 Push button switch QM Thermo switch M1F Forced defrost pump down Q2M Thermo switch M2F C1 Capacitor M1F Q1RP Phase reverse circuit C2 Capacitor M2F R1T Thermistor Air DS1 Dip switch R2T Thermistor Coil E1HC Crankcase heater R3T Thermistor Discharge pipe F1U F2U Fuse T6 3 250V RC Signal receiver circuit HAP Light emitting diode S1PH Pressure switch High Service monitor green S1PL Pressure switch Low K1M Magnetic contactor M1C SD Safety devices input K1R Magnetic relay K1M TIA Current transformer K3R Magnetic relay E1HC TC Signal transmission circuit K4R Magnetic relay Y2S X1M X2M Terminal strip K5R K6R K7R Magnetic relay M1F Y1E Expansion valve Electronic K8R K9R K10R Magnetic relay M2F Y2S Solenoid valve M1C Motor compressor CT Current transformer M1F M2F Motor fan 1 38 Part 1 System Outline ESIE05 01 Wiring Diagrams Outdoor Units 5 5 RQ71 100B7V3B
35. Ma oto a a id nda co 4 24 Index ESIE05 01 discharge pipe temperature control eee 2 17 display MaltUncliON as Arron binden ld es seas Sieh aa leed Ito ceo DAD ll ica a of ec id 3 14 drain p mp contfol rica A A beta 2 19 diy keep Mode nes iaa rd aa rd A alata duane a he Hin ER ds RE as 2 28 EEE EEE O EREN 3 38 Vreta ameda ee vakan da ad eer shied 3 42 RR 3 43 E A tie A A O eh dd Paes 3 45 NO E 3 47 E Eet laden de NN 3 49 AAA NRE 3 26 electrical specificatiOns srr zuren msnnen AA AA AA 1 13 emergency operation general neds tetteren a A A re aient 2 7 error codes indoor malfunctions overview 2 0 0 6 ee eee eeen 3 16 outdoor malfunctions overview ooococcococo eee 3 17 system malfunctions overview 0 0 0 teas 3 18 evaluation abnormal high pressure 4 sour on ener er eenen adve ea ee 3 79 abnormal low pressure staren tine voeren a de de ein 3 80 expansion valve control eee eee eee eee eee ee 2 25 exploded views outdoor UNIS aci ale nan ete laden an He 5 3 EA O AA E cea dha rt IES TE 3 51 factory settings indoor UNITS Lira Aten ta a ere eS ena as echo ah ee aera 4 14 fan and flap operations sess etsy de okeee oe alde tee den ral eh steed site aude dread ales 2 21 fan control normal Cooling modei ii iea a a ae aen Baarden aad a DC ac 2 33 normal heating Mode 2 rs aam eer eel ee ee ad Wee ee ede 2 44 starting cooling Or dry keep mode oooccccocc teens 2
36. Malfunctioning suction air thermistor system The table below shows the LED indications Operation HAP green HBP green Normal Cs Cs Malfunctioning xh Y The error is generated when during compressor operation Thermistor input gt 4 96 V or Thermistor output lt 0 04 V The possible causes are Malfunctioning connector connection Malfunctioning thermistor Malfunctioning PCB Broken or disconnected wire See page 3 76 3 34 Part 3 Troubleshooting ESIE05 01 Error Codes Indoor Units Troubleshooting To troubleshoot proceed as follows Check the connector connection Correct the connection Is it connected properly No _ gt Yes Vv Check the thermistor resistance Replace the Is it normal No _ gt A thermistor Yes y Check the contact between thermistor and PCB Is the contact OK Nop Correct contact Yes CH Indoor liquid pipe thermistor R2T Replace outdoor C3 Indoor ambient temperature thermistor R1T unit PCB Caution 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 Indoor Units ESIE05 01 2 8 Malfunctioning Remote Controller Air Thermistor Cu Error code LED indications Error
37. Outdoor Units ESIE05 01 3 12 Malfunctioning Heat Exchanger Thermistor System J6 Error code J6 Error generation The error is generated when the thermistor resistance is out of its range Causes The possible causes are Malfunctioning heat exchanger thermistor Malfunctioning heat exchanger thermistor connector connection Malfunctioning outdoor unit PCB Troubleshooting To troubleshoot proceed as follows Check the unit type Check the connector connection of the heat exchanger temperature sensor R2T on X5A on the outdoor unit PCB Is it connected Correct the properly No connection Yes Check the thermistor resistance No Replace the thermistor Yes Replace the outdoor unit PCB Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 56 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 13 Malfunction of Current Sensor System Je Remote Controller u Display Method of The malfunction of current sensor is detected through the current detected with the current sensor Malfunction Detection Malfunction While in operation Decision When the current detected with the current sensor is not more than a constant value Conditions While in stopping When the current detected with the current sensor is not less than a const
38. Table of Contents ESIE05 01 4 Error Codes System Malfunctions 4 1 What Is in This Chapter nnen nen nennnenneeeneeen eener eneneneeenneeenn 4 2 Gas Shortage Detection annen nennen venneerneerenenenneeneeenn UO 4 3 Reverse Phase ica U1 4 4 Transmission Error between Indoor and Outdoor Unit U4 or UF 4 5 Transmission Error between Indoor Unit and Remote Controller oneness vennereneeensenenveneeeneeeneen U5 4 6 Transmission Error between MAIN Remote Controller and SUB Remote Controller U8 4 7 Malfunctioning Field Setting Switch nnee nennen vennen UA 5 Additional Checks for Troubleshooting 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 10 What Is in This Chapter nnen nikari ina oe naia Checking the Refrigerant System annae nenenenn eeen venveren eenn Checking the Installation Condition annen eenen eeen venerenvenn Checking the Expansion Valve nnn ennen rens eneneneneeennvenerenvenn Checking the Thermistors nennen ennenenerennenenenenneeensvennenendenn RLT And ROT wneer nand ara Evaluation of abnormal high pressure nu nnnnevenn eneen Evaluation of abnormal low pressure nanne neven eeeneneneen venen Check for Clogged Points nanne vennerennerenenenneenneeenveeenenen 3 61 3 62 3 63 3 65 3 67 3 68 3 69 3 71 3 72 3 73 3 74 3 76 Table of Contents ESIE05 01 Part 4 Commissioning and Test Run 1 Pre Test Run Checks 1 1 Wha
39. The table below explains the meaning of L H and HH fan speed 71 and 100 125 Fan operation 1 fan Upper fan MF1 Lower fan MF2 OFF OFF OFF OFF L L L L H H H H HH HH HH HH The normal outdoor fan control during heating operation uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Outdoor thermistor R1T Suction thermistor R1T Indoor heat exchanger thermistor R2T Part 2 Functional Description 2 45 Overview of the heating mode functions ESIE05 01 2 46 Part 2 Functional Description ESIE05 01 Part 3 Troubleshooting What is in this part This part contains the following chapters Part 3 Troubleshooting Chapter See page 1 Troubleshooting 3 3 2 Error Codes Indoor Units 3 25 3 Error Codes Outdoor Units 3 37 4 Error Codes System Malfunctions 3 61 5 Additional Checks for Troubleshooting 3 71 3 1 ESIE05 01 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 Troubleshooting 1 1 What Is in This Chapter Introduction When a problem occurs you have to check all possible malfunctions This chapter gives a general idea of where to look for malfunctions Not all repair procedures are described Some procedures are considered common practice O
40. Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kW FLA kW FLA FCQ100 RR100B7V3B 50 230 23 8 34 8 40 98 5 17 6 0 090 0 8 0 090 1 0 FUQ100 RR100B7V3B 50 230 23 3 34 8 40 98 5 17 2 0 090 0 8 0 090 1 0 Max 50Hz 264V FHQ100 RR100B7V3B 50 230 Min 50Hz 198V 23 0 34 5 40 98 5 17 2 0 090 0 8 0 130 0 7 FAQ100 RR100B7V3B 50 230 23 0 34 2 40 98 5 17 4 0 090 0 8 0 049 0 4 FBQ100 RR100B7V3B 50 230 23 2 34 8 40 98 5 17 1 0 090 0 8 0 135 1 0 FCQ100 RR100B7W1B 50 400 230 9 2 11 8 16 48 2 5 9 0 090 0 8 0 090 1 0 FUQ100 RR100B7W1B 50 400 230 Max 50Hz 89 118 16 482 57 0 090 08 0 090 1 0 FHQ100 RR100B7W1B 50 400 230 0 253 V es 115 16 482 57 o0so 08 o130 0 7 FAQ100 RR100B7W1B 50 400 230 360 197 V 8 3 11 2 16 48 2 57 0 090 0 8 0 049 0 4 FBQ100 RR100B7W1B 50 400 230 8 9 11 8 16 48 2 5 7 0 090 0 8 0 135 1 0 Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kW FLA kW FLA FCQ125 RR125B7W1B 50 400 230 11 9 15 3 20 63 7 7 0 065 0 6 0 090 1 0 0 085 0 7 FUQ125 RR125B7W1B 50 400 230 11 7 15 3 20 63 7 5 0 065 0 6 0 090 1 0 0 085 0 7 Max 50Hz FHQ125 RR125B7W1B 50 400 230 440 253 V 11 4 15 0 20 63 7 5 0 065 0 6 0 130 0 7 Min 50Hz 0 085 0 7 360 197 V FBQ125 RR125B7W1B 50 400 230 12 2 15 7 20 63 7 6 0 065 0 6 0 225 14 0 085 0 7 FDQ125 RR125B7W1B 50
41. between the branch and the indoor units should have the same size as the indoor connections 1 22 Part 1 System Outline ESIE05 01 Functional Diagrams Triple system The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RR100B7V3B RR100B7W1B RR125B7W1B Branch pipe Pipe connection The table below contains the refrigerant pipe connection diameters O D diameters Model Gas pipe flare Liquid pipe flare RR100B7V3B 15 9 mm 9 5 mm RR100B7W1B RR125B7W1B Note The pipes between the branch and the indoor units should have the same size as the indoor connections Part 1 System Outline 1 23 Functional Diagrams ESIE05 01 3 3 RQ71B7 RQ100B7 and RQ125B7 Functional diagram The illustration below shows the functional diagram of the refrigeration circuit Liquid piping piping Gas cooling heating Components For a description of the components see Piping Components on page 1 29 1 24 Part 1 System Outline ESIE05 01 Functional Diagrams Pair system Pipe connection diameters The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RQ71B7V3B RQ71B7W1B RQ100B7V3B RQ100B7W1B or RQ125B7W1B The table below contains the refrigerant pipe connection diameters O D Model Gas pi
42. button Push indoor medel and See possible INSPECTION TEST system settings button Size Push INSPECTION TEST button Y System Push INSPECTION TEST button Y Test Part 4 Commissioning and Test Run 4 21 Field settings ESIE05 01 Possible system settings Changing the mode The table below contains the possible system settings which are displayed on the remote controller if the TEST button is pushed twice shortly Size Type Software Settings Display Seitings 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 UJ 250 250 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
43. case heater Part 5 Disassembly and Maintenance 5 13 Disassembly and Maintenance Outdoor Units ESIE05 01 1 7 RQ125B7W1B Exploded view The illustration below shows the exploded view 4TW26369 50 1 EL COMPO BOX RQ125B7W1B RQ125B7W1B 5 14 Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The table below contains the components of the exploded view No Component No Component 1 Compressor 40 Terminal strip 2 Rubber cushion pre assy 41 Terminal strip for CT 3 Sound insulation for comp 1 42 Cup washer 4 Bolt for compressor 43 Thermistor clamp 5 Nut with washer 44 Fan propellor 6 Plate finned coil heat exch as 45 Washer 7 Liquid receiver assy 46 Top plate assy 8 Flare nut 5 8 47 Front plate assy 9 Stop valve cap 48 Front plate 2 assy 10 Service port 49 Side plate assy 11 Valve core 50 Part plate assy 12 Shraeder round dustcap 51 Fan motor stand left 13 Low pressure switch 52 Fan motor stand right 14 Gas stop valve assy 53 Fan motor stand 15 4 way valve body 54 Fan motor stand up 16 Filter 55 Cover 17 Muffler 56 Piping cover rear 18 High pressure switch 57 Stop valve mounti
44. centralized group No SOUING c oie Sane te a RR U A EERE RENE EA 4 16 changing field settings wired remote controller eee eee 4 11 field settings wireless remote controller eee eee 4 12 maintenance mode settings an on eee eee eee en 4 22 checking clogged pointS aii AA da a en EA RD A Aa dee 3 81 EA NA E A 3 74 installation condition oooooooooooo eee eee ee eee nee 3 73 refrigerant SySTem ui hc eet Bini tha vader ch dla pice ante Asics tn RA 3 72 test run cheokS cid ia a a a als 4 4 thermistofss mins rine E A EA RECENTE AA AA sen 3 76 VU A A bend an ae ae ended ld nt sed Ds 3 36 components exploded views outdoor unitS 0 0 0 tees 5 3 functional diagfamS ex id bon cd ara Meebo cee eet wee EE a baret erdee oS 1 19 general outline outdoor units eee 1 3 PCB layo t earn on veren eee A daa eee age pads Te 1 43 Switch box layo t sens aranea ontaarde ie ala ien ted 1 31 Wired remote controller are ace nes tata AA dad art ace ele ud 4 10 wireless remote Controller oo oooooooooo eee een ee eee eens 4 12 wiring diagrams outdoor units eee 1 35 Control modes vie eit eked onde mear dine ed ahi On a eb a ee ae wilh eae edits 2 6 D defrost control hence va A ta ie ae a a vi ee 2 38 diameters pipe connections an onee eee eee eee eee 1 19 dimensions outdoor UNS ic a A adi a eta ba t Raw 1 3 DIP SWITCHES East
45. compressor 41 Cup washer 5 Nut with washer 42 Thermistor clamp 6 Plate finned coil heat exch as 43 Fan propellor 7 Liquid receiver assy 44 Washer 8 Flare nut 5 8 45 Top plate assy 9 Stop valve cap 46 Front plate assy 10 Service port 47 Front plate 2 assy 11 Valve core 48 Side plate assy 12 Shraeder round dustcap 49 Part plate assy 13 Low pressure switch 50 Fan motor stand left 14 Gas stop valve assy 51 Fan motor stand right 15 Filter 52 Fan motor stand 16 Muffler 53 Fan motor stand up 17 High pressure switch 54 Cover 18 Motor operated valve body 55 Piping cover rear 19 Solenoid valve body 56 Stop valve mounting plate 20 Liquid stop valve assy 57 Bell mouth assy 21 FI233 Filter 58 Suction grill 22 Strainer 59 Air discharge grill 23 T joint 60 Handle 24 El compo mounting assy 61 Bottom frame assy 25 PCB assy 62 Installation leg painted 26 Resin cover assy 63 Bottom tray assy 27 Magnetic switch 64 Cushion top 28 Fan motor capacitor 65 Packing case P M 29 Motor operated valve coil 66 Thermistor fixing plate 30 Thermistor 67 Single phase AC fan motor 31 Thermistor 68 Thermistor mounting spring 32 Thermistor 69 Thermistor mounting spring 33 Capacitor fixing band 70 Insulation tube gas 34 Comp motor capacitor 71 Thermal insulation tube 35 Wire clip 72 Thermal insulation tube 36 Wire clip 73 HPS cable 37 Crank case heater 74 Solenoid valve coil Part 5 Disassembly and Maintenance Disassembly and Mainten
46. connector or parts damage may occur 3 64 Part 3 Troubleshooting ESIE05 01 Error Codes System Malfunctions 4 4 Transmission Error between Indoor and Outdoor Unit U4 or UF Vil Lit or E nT Error code Error generation 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 Causes The possible causes are Wiring indoor outdoor transmission wire is incorrect Malfunctioning indoor unit PCB Malfunctioning outdoor unit PCB Outside cause noise Troubleshooting 1 it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disc Check of indoor unit microcomputer normal HAP Check of indoor unit transmissio malfunction HBP onnected Is HAP flashing YES Is HBP f ashing n v To outdoor unit next page NO ON or OFF v Turn the power supply off once and then back on Is H1P flashing YES Diagnosis of incorrect or broken disconnected wiring If the LEDs on the indoor unit PC board are off Failure of indoor unit PCB or malfunction of power supply system Does outdoor unit microcomputer normal H1P flash NO indoor outdoor transmission wire connected correctly YES Resets normally Could be
47. indoor de icing To reduce the freeze up operation indoor de icing frequency it is recommended to install the outdoor unit in a location not exposed to wind Part 4 Commissioning and Test Run 4 31 Test Run and Operation Data ESIE05 01 4 32 Part 4 Commissioning and Test Run ESIE05 01 Part 5 Disassembly and Maintenance What is in this part This part contains the following chapters Chapter See page 1 Disassembly and Maintenance Outdoor Units 5 3 Part 5 Disassembly and Maintenance 5 1 ESIE05 01 Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units 1 Disassembly and Maintenance Outdoor Units 1 1 What Is in This Chapter Introduction This chapter contains the following information on the outdoor units Exploded views Components Overview This chapter contains the following topics Topic See page 1 2 RR71V7V3B RR71V7W1B 5 4 1 3 RR100B7V3B RR100B7W1B 5 6 1 4 RR125B7W1B 5 8 1 5 RQ71B7V3B RQ71B7W1B 5 10 1 6 RQ100B7V3B RQ100B7W1B 5 12 1 7 RQ125B7W1B 5 14 Part 5 Disassembly and Maintenance 5 3 Disassembly and Maintenance Outdoor Units ESIE05 01 1 2 RR71V7V3B RR71V7W1B Exploded view The illustration below shows the exploded view 8 8 R 8 gt RR71B7V3B RR71B7W1B 37 EL COMPO BOX RR71B7W1B 17 71
48. indoor indoor and indoor outdoor jumper correctly connected NO NO NO gt Set correctly Connect correctly Connect correctly Replace the transformer Wiring could be incorrect recheck Connect correctly Indoor unit PCB replacement Operates normally Caution may occur Be sure to turn off power switch before connecting or disconnecting the connector or parts damage 3 70 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting 5 Additional Checks for Troubleshooting 5 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 topics Topic See page 5 2 Checking the Refrigerant System 3 72 5 3 Checking the Installation Condition 3 73 5 4 Checking the Expansion Valve 3 74 5 5 Checking the Thermistors 3 76 5 6 R1T and R2T 3 77 5 7 R3T 3 78 5 8 Evaluation of abnormal high pressure 3 79 5 9 Evaluation of abnormal low pressure 3 80 5 10 Check for Clogged Points 3 81 Part 3 Troubleshooting 3 71 Additional Checks for Troubleshooting ESIE05 01 5 2 Checking the Refrigerant System Checking To check the refrigerant system proceed as foll
49. min 57 max 63 C 70 pulses cut off perature Tc for practice function 5 cooling Discharge pipe Discharge pipe Td gt 120 C for 20s 80 pulses Remocon high temperature temperature T2 continuously heating OFF Td disconnection Discharge pipe Td is determined to be dis Retry 6 x thermistor T2 connected from the piping until 5 min after the compressor final error starts F3 Td lt 55 C Td lt Ta 10 C ATd lt 5 K within 5 min after start Parameters 71 100 125 A 58 C 57 C 59 C 53 C 52 C 54 C C 61 C 60 C 62 C Remarks In case of O L operation O L will be activated 1K next time In case of H P activation O L will be activated 1K next time Part 2 Functional Description 2 13 General Functionality ESIE05 01 Used input The forced thermostat OFF control uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Outdoor heat exchanger thermistor R2T Indoor heat exchanger thermistor R2T Discharge pipe thermistor R3T Remark In case of twin triple applications the highest Tc is used 2 14 Part 2 Functional Description ESIE05 01 General Functionality 1 8 HPS and LPS Function Applicable units RR RQ71 125B Purpose HPS High Pressure Switch If the pressure at the discharge side of the compressor becomes abnormally high the HPS stops the unit automatically in order to prevent it f
50. old et tado lia 3 14 setting address for receiver of wireless remote Controller oooocoocoocooooooo o 4 5 setting address for wireless remote controller eee 4 6 thermostat using conditions sssaaa aaaea eee eee 2 23 remote control a e cerda 3 8 reverse phase protector ke eee eee eee 3 21 S safety devices high pressure Switeh rra A ka ere he A dn 3 22 low pressure swith ooren stens nende warren den th eter eee erde da 3 23 overview outdoor UNITS sec naan rec ee be rede e A eee ee ee 3 19 reverse phase protector r isora ri A A en EG AR et age tee 3 21 thermal protector fan motor eee 3 20 self diagnosis remote controllet 0 A Wad dar pace Me bi a 3 8 wired remote controller ooocococccoooo ee 3 13 service space outdoor UNS cra A A A en a 1 3 SONICO MO Sii A edet 1 xv setting address for receiver of wireless remote controller eee 4 5 address for wireless remote controller eee eee 4 6 centralized group NO iss sao oane sene ne ne a ee Ed en 4 16 field settings wired remote controller ooococccocooocoo 4 11 field settings wireless remote controller eeen 4 12 MAIN SUB when using two remote controllers eeen 4 15 settings A A RN 4 24 changing maintenance mode oooccocccc teens 4 22 DIP switches se cepo id pa aa 4 24 TACTO Y OVEIVIOW fei vers aranea e A OE AAA gent een aen leende 4 14 field oVverVi W ran rat zede ai EN OE ad dieter der d
51. outdoor unit 4 18 2 9 The Field Setting Levels 4 21 2 10 Overview of the Field Settings RR RQ71 125B 4 24 2 11 Jumpers 4 25 Part 4 Commissioning and Test Run 4 9 Field settings ESIE05 01 2 2 Installation conditions Wired remote How to Change the Field Settings with the Wired Remote Controller The field settings have to be changed with the remote controller according to the installation conditions The illustration below shows the wired remote controller controller 3 6 87 8 6 2 p l CAE ACA Af SRE SE Ur BA BHE ii AG 7 wes 14 e D12345 LI e TS y 22 174 a ag min Jn od fas LH HHA LS ii E ISETTING AVAILABLE 1 6 eA 25 13 15 18 19 20 21 5 24 29 33 D MEE e eS Go ED ED E ow fom e Gp E a as 7 O 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 contr
52. outside cause noise Failure of indoor unit PCB Wire correctly Caution may occur Be sure to turn off power switch before connecting or disconnecting the connector or parts damage Part 3 Troubleshooting 3 65 Error Codes System Malfunctions ESIE05 01 Troubleshooting 2 Caution To troubleshoot proceed as follows C Continued from previous page Is HAP flashing NO ON or OFF YES Check of outdoor unit Turn the power supply off once and then back on microcomputer normal HAP Is HAP flashing i NO OFF Turn off the power supply disconnect the NO 2 indoor outdoor transmission wire and turn power supply back on U4 displays YES Is HAP f ashing NO YES Resets normally Could be outside cause noise Failure of outdoor unit PCB YES Failure of indoor unit PCB Failure of outdoor unit PCB or malfunction of power supply system constantly NO Indoor PCB malfunction y Resets normally Could be outside cause noise Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 66 Part 3 Troubleshooting ESIE05 01 Error Codes System Malfunctions 4 5 Transmission Error
53. temperature and the fan speed HH tap domain e H tap domain L tap domain Ei a Ta gt 45 7 0 84 Tr H tap condition 15 Yd A Ta lt 41 7 0 84Tr L tap condition 37 Indoor suction air temp Tr CDB 2 34 Part 2 Functional Description ESIE05 01 Overview of the cooling mode functions 2 6 High Pressure Protection Control in Cooling Operation Applicable units RR RQ71 125B Purpose The purpose of the high pressure protection is to prevent a shutdown due to an error Method The thermostat turns OFF immediately before HPS activation according to the outdoor heat exchanger temperature Tc Outd unit heat exchanger temp Tc HPS retry 4 15upy Sth time E3 error Al i Max Thermostat OFF The temp shifts a after 90s 1 C for each therm OFF operation continuously 1 C for each HPS activation cl rd Min Parameters 71 100 125 A 61 C 60 C 62 C 58 C 57 C 59 C C 53 C 52 C 54 C Part 2 Functional Description 2 35 Overview of the cooling mode functions ESIE05 01 2 36 Part 2 Functional Description ESIE05 01 Overview of the heating mode functions 3 Overview of the heating mode functions 3 1 What Is in This Chapter Introduction This chapter contains information on the functions used to control the system during heating mode Understanding these f
54. x outdoor om e tt ds 2 7 E Ei C a Sy BS1 DSI HAP Lai a xim LTN 60d 00 Lo Oo 000000 MP gep A Fw X4A X5A X6A X10A X24A TEN mA E Ds FU O ON 8 o orr IM er mee ou cT 1234 al e OH SWITCH BOX TA 8 lal 5 XA Ol Bs1 OUTDOOR X31A C QM HAP a gt a a ti R OT T INEA KIM A xan Ere K7R KBR K5R KAR KOR O SIPH u Ow has L A HH e man xian O ie xa p lr O O ORG BLU BLK Ds Hero X8A K c a OH mej M ye aa Km ka HLI imac ct IEA yey mP i c3 BLK BLACK RED RED LIVE BLU BLUE WHT WHITE E 8 E POSITION OF ORG ORANGE YLW YELLOW kele M COMPRESSOR ul lt R PROTECTIVE EARTH SCREW gt TERMINAL LS MEE eow dat ASCREW 4 TERMINAL g WIRE NOTE ENIRANGE CONFIRM THE METHOD OF SETTING THE DIP SWITCH DS1 BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26376 1 A1P Printed circuit board M1F Motor fan BS1 Push button switch PC Power circuit Forced defrost pump down QiM Thermo switch M1F C1 Capacitor M1F R1T Thermistor Air C3 Capacitor M1C R2T Thermistor Coil DS1 Dip switch R3T Thermistor Discharge pipe E1HC Crankcase heater RC Signal receiver circuit F1U Fuse T6 3 250V S1PH Pressure switch High HAP Light emitting diode S1PL Pressure switch Low Service monitor green SD Safety devices input K1M Magnetic contactor M1C TIA C
55. x stages x fin pitch 2x 34x 2 0 mm 2x52x2 0mm No of passes 6 10 Outdoor Face area 0 641 m2 0 980 m Heat exchanger Tube type HI XSS Cooling tube Fin type Non sym waffle louvre Empty tubeplate hole 0 No of fans 1 2 Nominal air flow 230 V cooling 48 m min 55 m min 89 m min Nominal air flow 230 V Heat 43 m min 50 m min 80 m min Fan ing Fan motor model P47L11S P47L11S x 2 Fan speed 3 steps Type R410A Refrigerant circuit Charge 2 7 kg 3 7 kg Safety and functional devices See page 1 19 and 3 19 Heat insulation Both liquid and gas pipes Machine weight 84 kg 83 kg 103 kg 101 kg 108 kg Electrical The table below contains the electrical specifications specifications Specification RQ71B7V3B RQ71B7W1B RQ100B7V3B RQ100B7W1B RQ125B7W1B Unit Phase 1 3N 1 3N 3N Voltage 230 V 400 V 230 V 400 V 400 V Frequency 50 Hz No of wire connections 3 wires for power 5 wires for power 3 wires for power 5 wires for power 5 wires for power supply supply supply supply supply including earth wire including earth wire including earth wire including earth wire including earth wire 4 wires for connec 4 wires for connec 4 wires for connec 4 wires for connec 4 wires for connec tion with indoor tion with indoor tion with indoor tion with indoor tion with indoor including earth wire including earth wire including earth wire including earth wire including earth wire Power supply intake Outdoor unit only Compressor Phase 1 3
56. 0 01 01 01 01 01 01 01 3 01 01 01 5 02 02 02 02 02 02 02 13 or 23 0 01 01 01 01 1 01 01 3 ae gt 4 02 02 5 01 01 01 01 01 6 01 14 or 24 0 01 01 01 01 01 01 4 14 Part 4 Commissioning and Test Run ESIE05 01 Field settings 2 6 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 possible positions Upper part of the remote controller Lower part of the remote controller Turn the MAIN SUB changeover switch on the PCB to S ojo The switch is set to E MAIN factory setting zl M m Set the switch to SUB o Part 4 Commissioning and Test Run 4 15
57. 1 1 What Is in This Chapter nennen a a a a a aias 3 3 1 2 Overview of General Problems nanne neneeennee enn cnn 34 1 3 ON OFF Operation in Case of Wireless Remote Controller 3 6 1 4 Checking with the Wired Remote Controller annen eeen eenen 3 7 1 5 Procedure of Self Diagnosis by Remote Controller ne 3 8 1 6 Checking with the Wireless Remote Controller Display 3 9 1 7 Self Diagnosis by Wired Remote Controller nennen eneen 3 13 1 8 Remote Controller Display Malfunction Code and Contens 3 14 1 9 Troubleshooting with the Indoor Unit LEDs and the Remote Controller ennen nerneeenevennenenseensenenvennenenerenvene 3 16 1 10 Troubleshooting with the Remote Controller Outdoor Malfunctions 3 17 1 11 Troubleshooting with the Remote Controller System Malfunctions 3 18 1 12 Overview of the Outdoor Safety Devices annen eneen eenen 3 19 1 13 Outdoor Safety Device Thermal Protector Fan Motor 3 20 1 14 Outdoor Safety Device Reverse Phase Protector nnee 3 21 1 15 Outdoor Safety Device High Pressure Switch ennen eenen 3 22 1 16 Outdoor Safety Device Low Pressure Switch nnen eenen 3 23 2 Error Codes Indoor Units 2 1 What Is in This Chapter connccnccniccconccnoninncccnncnconnnnncnnnnccnnn conan conca nnncrnnncino 3 25 22 Malfunctioning Indoor PCB nnen eenn eeenneeenenenneennenenn A1 3 26 2 3 Malfunctioning D
58. 16 Overcurrent Protection Function Purpose The purpose of the Overcurrent Protection Function is to protect the unit against excessive current drains Method If the Current Transducer detects an overcurrent the unit will trip on E6 error after 4 times detection Unit Compressor Current A RR RQ71B7V3B JT90G V1N 25 3 RR RQ71B7W1B JT90G YE 11 5 RR RQ100B7V3B JT125G V1N 38 RR RQ100B7W1B JT125G YE 11 5 RR RQ125B7W1B JT160G YE 15 J2 will be displayed if the overcurrent detection sensor has a malfunction 2 24 Part 2 Functional Description ESIE05 01 General Functionality 1 17 Expansion Valve Control Applicable units Start up control Pump down residual operation Initial opening degree RR RQ71 125B When the compressor starts a pump down operation is carried out in order to avoid liquid pumping The liquid receiver fills up and a minimum refrigerant amount is passed to the compressor This minimum refrigerant amount is required to avoid abnormal high discharge pipe temperatures via the purge valve The opening degree of the expansion valve depends on the number of start up If the first start up fails the opening degree of the following start up is adapted by the self learning function Thermostat SV Purge valve for liquid receiver EV Compressor a 1 Equalisation 17 2 3 2 Start up control A gt BOsec 3 Normal control The uni
59. 20 sec normal fan operation ON l i A gt Outdoor fan OFF i i 10 sec ON i Compressor i i OFF Part 2 Functional Description 2 31 Overview of the cooling mode functions ESIE05 01 Different fan speeds L tap starting compensation The table below explains the meaning of L H and HH fan speed 71 and 100 125 Fan operation 1 fan Upper fan MF1 Lower fan MF2 OFF OFF OFF OFF L L L L H H H H HH HH HH HH When the outdoor fan is operated from OFF to L tap the fan motor does not turn because of lack of starting torque To avoid this the fan motor operates at H tap for the first 5 s after start up before changing to L tap Used input The fan starting control in cooling or dry keep mode uses the following inputs input Connection on Connection on p indoor PCB outdoor PCB Outdoor air temperature R1T X4A 2 32 Part 2 Functional Description ESIE05 01 Overview of the cooling mode functions 2 5 Normal Outdoor Fan Control in Cooling Operation Applicable units Purpose Method Different fan speeds Used input Low outside temperature control Year round cooling RR RQ71 125B The purpose of this normal outdoor fan control is to ensure a correct discharge pressure in function of the outdoor air and indoor room temperature The table below shows in which conditions the o
60. 3 Troubleshooting 3 11 Troubleshooting ESIE05 01 Step Action Press the UP or DOWN button and change the error code lower digit until the receiver of the remote controller generates a continuous beep DOWN 7 1 bauer vn UP DOWN RESERVE CANCEL TIMER MODE RA G TU Press the MODE button to return to normal status If you do not press any button for at least 1 min the remote controller returns automatically to normal status DON OFF AA mo PON N TIME U elo FA RESERVE CANCEL TIMER MODE 3 12 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 7 Self Diagnosis by Wired Remote Controller If the operation stops due to a 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 14 for malfunction code and malfunction contents lt New Remote Controller gt BRC1D527 Explanation Operation lamp Indoor unit No in which Inspection test button a malfunction occurs Inspection display Malfunction code Part 3 Troubleshooting 3 13 Troubleshooting ESIE05 01
61. 3 Troubleshooting ESIE05 01 Error Codes Indoor Units 2 5 Malfunctioning Drain System AF Error code LED indications Error generation Causes Troubleshooting Caution ao wT The table below shows the LED indications Operation HAP green HBP green Normal it 3 Malfunctioning 3 3 The error is generated when the float switch changes from ON to OFF while the compressor is OFF The possible causes are Error in the drain pipe installation Malfunctioning float switch Malfunctioning indoor unit PCB To troubleshoot proceed as follows Are float NO switch and drain pipe normal Is water drainage system normal In FHY and FAY problems can also occur in the optional drain up kit NO Possible failure of float switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water 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 A NO Is drain pump Check jumper connector X15A normal of circulated drain water excessive after pump NO Check drain pump and drain pipe stops operation Does drain water NO Check water drainage system Check to see i
62. 30 starting heating Mode s sisa nn naar a 2 42 field settings A A Ea RR a tata Bee RO ASA 4 24 DIP switehesovervlEW u insects caylee A an 4 24 J MPES OVEIVIOW ge 0 coord do da ir REA le 8 dele die dienes AR ASE di abr 4 24 levls iii et ake byl he plate da ee ee 4 21 overview indoor UNIES sr sensed anal da beard oe NERC ee tad eo Pa 4 13 forced operating mode generalisten tate shed hete tenten a atte tang and Aenean 2 7 forced thermostat OFF eee eee eee eee eee 2 13 freeze up function nr vereren en ee a dn A A A en 2 29 TUNCUONA MATAS Wii a da 1 19 G IA A DR A Ed en a 3 53 HSin arh nae banian nia e a aea hee branie rn aia ara 3 54 high pressure protection control eee eee eee 2 35 ES EA A RR A A A a vod 3 22 FPS and LPS Tunction a ee ee eeh 2 15 Index ESIE05 01 identification function ci denn eerde de da A EH Aard A Goes de Eene B 2 10 installation space OULGOOF UNITS ii AA A AA A lat te 1 3 Da A A kind Sh eee AA eid ts 4 25 O OS 3 57 A RI O RR CR A te trian a 4 25 AN 3 55 A A A E O Ree MOA ea 3 56 JUMPSNS sra e e a a a A E BN aa ds 4 25 L LEDs troubleshooting with indoor unit LEDs and remote controller 00 0 0 0000 3 16 troubleshooting with outdoor unit LEDs and remote controller outdoor unit malfunctions 3 17 troubleshooting with outdoor unit LEDs and remote controller system malfunctions 3 18 locating exploded views outdoor unitS 2 0 tee
63. 3N 50Hz VA bod a 9 ele OOOOO 400V ren SA FU XA X5A X6A X10A XAA SWITCH BOX i a au Pl as OUTDOOR 1 2 BLK gt ON CT lt a opp HEEN H 1 4 O hall 2 TIA sf OI a A jest BS1 DS1 HAP i C an X11A df Gil HAP AIP z el 2 x X12A EU R ls Ir a ru 777 a all KIM SS Kee xal ll ftps KIR KERN KR KOR KAR K3R stpH KiM a PA LS L H HH c CT XIM ge X2M r KIR xwa O_O O X2TA 7 xan 7 X25A BE ELEN GES 7 m8 ms E Besc POSITION OF u v jw CD Let wy ou VRE PST Ir Le COMPRESSOR nie i oH A A j TERMINAL LAN a DE NE 4 Jl AIP y O BLK BLACK RED RED WE ce OL SHORT CIRCUIT CONNECTOR BLU BLUE WHT WHITE HEE FIELD WIRING ORG ORANGE YLW YELLOW 1113 TERMINAL L LIVE N NEUTRAL NOTE El CONNECTOR CONFIRM THE METHOD OF SETTING THE DIP SWITCH DS1 e PROTECTIVE EARTH SCREW BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY TERMINAL FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26336 1 A1P Printed circuit board PC Power circuit BS1 Push button switch Q1M Thermo switch M1F Forced defrost pump down QIRP Phase reverse circuit C1 Capacitor M1F R1T Thermistor Air DS1 Dip switch R2T Thermistor Coil E1HC Crankcase heater R3T Thermistor Discharge pipe F1U F2U Fuse T6 3 250V RC Signal receiver circuit HAP Light emitting diode S1PH Pressure switch High Service monitor green S1PL Pressure switch Low K1M Magnetic contactor M1C SD Safety devices input K1R Magnetic re
64. 45 7 Press the INSPECTION TEST button to return to the normal operating mode 4 22 Part 4 Commissioning and Test Run ESIE05 01 Field settings 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 parra The dci e be changed with the pro tol TA ramming time button 40 History error 9 9 ACODE gt ek seo codes ee Malfunction 0 Newest history 2 Oldest 00 displayed for 3 and subsequent J Select the display thermistor with the pro TREE gramming time button 41 Thermistor Thermistor ne data display 0 Remote control thermistor UnitNo J 1 Suction thermistor sand 2 Heat exchanger thermistor n 43 Forced fan ON Turns the fan ON for each unit individually Unit No H i dap tz SETTING Sets fan speed and air flow direction for each A unit individually when using group control Eo 5 High AA Individual Settings are made using the air flow direc Air flow direction setting tion adjust and fan speed adjust buttons Unit No Confirmation by the confirmation button is required cove f Changes unit No SN Set the unit No after changing with the pro Unit No Feb 45 h gramming time buttons cnange Confirmation by the confirmation button is uoi Nost required i CODE ae SETTING Part
65. 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 4 16 Part 4 Commissioning and Test Run ESIE05 01 Field settings Note It is not necessary to designate an indoor unit address when using group control The address is automatically set when the power is activated Part 4 Commissioning and Test Run 4 17 Field settings ESIE05 01 2 8 When Required action Field settings when using a spare part PCB of Sky Air B series outdoor unit In case the outdoor PCB needs to be replaced by a spare part PCB it is required to execute below mentioned field settings to ensure correct operation of the unit In case of repair using this part replace the part according to the following instruction Attention on service 1 Please be sure to work after turning off all related circuit breakers 2 Before starting the work please touch the metal part of the product to discharge static electricity The parts for replacement The PCB ass y 1 Accessories 1 Capacity setting adaptor 2 Connector for protection Only RR RQ71 100B7W1B 3 Connector for short circuit Only RR RQ71 100B7W1B Please replace the printed circuit board according to the following flow chart of The flow to setup the printed circuit bo
66. 7 V FBQ125 RQ125B7W1B 50 400 230 12 2 15 7 20 63 7 6 0 065 0 6 0 225 1 4 0 085 0 7 FDQ125 RQ125B7W1B 50 400 230 14 9 18 5 20 63 7 5 0 065 0 6 0 500 4 2 0 085 0 7 Symbols Notes MCA Min Circuit Amps 1 RLA is based on the following conditions Indoor temp 27 CDB 19 5 CWB TOCA Total Over current Amps Outdoor temp 35 CDB MFA Max Fuse Amps see note 7 2 TOCA means the total value of each OC set LRA Locked Rotor Amps 3 Voltage range Units are suitable for use on electrical systems where voltage RLA Rated Load Amps supplied to unit terminals is not below or above listed operation range OFM Outdoor Fan Motor limits IEM Indoor Fan Motor 4 Maximum allowable voltage unbalance between phases is 2 FLA Full Load Amps 5 MCA MFA MCA 1 25 x RLA all FLA MFA lt 2 25 x RLA all FLA kW Fan Motor Rated Output next lower standard fuse rating Min 16A 6 Select wire size based on the larger value of MCA or TOCA 7 Instead of fuse use circuit breaker 1 18 Part 1 System Outline ESIE05 01 Functional Diagrams 3 Functional Diagrams 3 1 What Is in This Chapter Introduction This chapter contains the following information Functional diagrams Pipe connection diameters Functional This chapter contains the following functional diagrams diagrams Functional diagram See page 3 2 RR71B7 RR100B7 and RR125B7 1 20 3 3 RQ71B7 RQ100B7 and RQ125B7
67. 82 Part 3 Troubleshooting ESIE05 01 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 27 Part 4 Commissioning and Test Run 4 1 ESIE05 01 Part 4 Commissioning and Test Run ESIE05 01 Pre Test Run Checks 1 Pre Test Run Checks 1 1 What Is in This Chapter Introduction This chapter contains the following information Checks before test run Test run checks Setting the address for the receiver of the wireless remote controller 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 01 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 breaker is 230 V 10 for 1 phase units 400V 10 for 3 phase units 2 Fully open the liquid and the gas stop valve Test run checks To carry out a test run check the following Check that the temperature setting of the remote controller is at the lowest level or test mode Switch ON th
68. BQ71 RQ71B7W1B 50 400 230 6 6 11 5 16 41 1 4 1 0 065 0 6 0 125 0 9 Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kw FLA kw FLA FCQ100 RQ100B7V3B 50 230 23 8 34 8 40 98 5 17 6 0 090 0 8 0 090 1 0 FUQ100 RQ100B7V3B 50 230 23 3 34 8 40 98 5 17 2 0 090 0 8 0 090 1 0 Max 50Hz 264V FHQ100 RQ100B7V3B 50 230 Min 50Hz 198V 25 3 34 5 40 98 5 19 0 0 090 0 8 0 130 0 7 FAQ100 RQ100B7V3B 50 230 24 5 34 2 40 98 5 18 6 0 090 0 8 0 049 0 4 FBQ100 RQ100B7V3B 50 230 23 2 34 8 40 98 5 17 1 0 090 0 8 0 135 1 0 FCQ100 RQ100B7W1B 50 400 230 9 2 11 8 16 48 2 5 9 0 090 0 8 0 090 1 0 FUQ100 RQ100B7W1B 50 400 230 Max 50Hz 8 9 11 8 16 48 2 5 7 0 090 0 8 0 090 1 0 FHQ100 RQ100B7W1B 50 400 230 Eo 9 4 11 5 16 48 2 6 3 0 090 0 8 0 130 0 7 FAQ100 RQ100B7W1B 50 400 230 360 197 V 88 11 2 16 482 61 o 090 08 o 049 0 4 FBQ100 RQ100B7W1B 50 400 230 8 9 11 8 16 48 2 5 7 0 090 0 8 0 135 1 0 Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kW FLA kw FLA FCQ125 RQ125B7W1B 50 400 230 12 4 15 3 20 63 8 1 0 065 0 6 0 090 1 0 0 085 0 7 FUQ125 RQ125B7W1B 50 400 230 12 2 15 3 20 63 7 9 0 065 0 6 0 090 1 0 0 085 0 7 Max 50Hz FHQ125 RQ125B7W1B 50 400 230 440 253 V 12 3 15 0 20 63 8 2 0 065 0 6 0 130 0 7 Min 50Hz 0 085 0 7 360 19
69. C Motor compressor CT Current transformer M1F M2F Motor fan Part 1 System Outline 1 41 Wiring Diagrams Outdoor Units ESIE05 01 1 42 Part 1 System Outline ESIE05 01 PCB Layout 6 PCB Layout 6 1 What Is in This Chapter Introduction This chapter contains the following information It describes which unit uses which PCB types lt shows the PCB connectors PCB layouts This chapter contains the following PCB layouts PCB layout See page 6 2 RR RQ71 100B7V3B EC0413 1 44 6 3 RR RQ71 125B7W1B EC0414 1 46 Part 1 System Outline 1 43 PCB Layout ESIE05 01 6 2 RR RQ71 100B7V3B EC0413 PCB The illustration below shows the PCB connectors X8A X24A X9A X10A X26A X6A X5A X14A X4A X31A X11A X27A X22A X25A X32A 1 44 Part 1 System Outline ESIE05 01 PCB Layout Connectors The table below describes the PCB connectors Connector Connected to Description X4A RIT Thermistor air X5A R2T Thermistor coil X6A R3T Thermistor discharge pipe X8A K1M Magnetic contactor M1C X9A S1PH Pressure switch high X10A S1PL Pressure switch low X11A Q1M Thermo switch M1F X14A M1F Fan motor X22A Y2S Solenoid valve X24A Y1E Electronic expansion valves X25A E1HC Crankcase heater X26A Connector for capacity setting adaptor X27A Y1S 4 way valve Not used for cooling
70. DAIKIN o y A y ESIE05 01 Service Manual RR RQ71 125B7 Sky Air R410A non inverter B series ESIE05 01 Table of Contents 1 Introduction 1 1 About This Manual iva pana 1 ix 1 2 Combination Overview Outdoor Units of the Sky Air B Series 1x 1 3 Precautions on handling new refrigerantS nennen eenen ennen 1 xii Part 1 System Outline 1 General Outline Outdoor Units 1 1 What Is in This Chapter ennn vennen enenennvenn eeens iiaa ana iea 1 3 1 2 RR71 and RQ71 Outlook Dimensions and Components 1 4 1 3 RR100 and RQ100 Outlook Dimensions and Components 1 6 1 4 RR125 and RQ125 Outlook Dimensions and Components 1 8 1 5 RR71 RR100 RR125 RQ71 RQ100 and RQ125 Installation and Service Space nnnn nnen envenneeenneenneneneeeeneneneennn 1 10 2 Specifications 2 1 What Is in This Chapter nennen enenenneennenenvenneneneneneneneennn 1 13 2 2 RR71 RR100 and RR125 ccccccccncocccccccononononcnononnncnnnnnannnccncnnnnnnccnnnnnnnnncnns 1 14 2 3 RQ71 RQ100 and RQ125 rae a a ES 1 17 3 Functional Diagrams 3 1 What Is in This Chapter nnen nanne nenenenneeeneneneenneereneneneeeneennn 1 19 3 2 RR71B7 RR100B7 and RR125B7 nnn ennnenrennennnneen renee 1 20 3 3 RQ71B7 RQ100B7 and RQ125B7 nnn nnen nnee nereneen nennen 1 24 3 4 Piping COMPONEN Simona rata dit 1 29 4 Switch Box Layout 4 1 What Is in This Chapter annava io icar ana a
71. FF 5 Automatic restart Disabled Enabled EE 13 or 23 0 Ceiling height setting Normal High Extra high lt 2 7 m 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 installed 3 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 O s 5s 10s 15s 1b only 0 Permission level setting Level 2 Level 3 TE when using fi F BRC1D527 1 Leave home function Not l Permitted _ permitted 2 Thermostat sensor in remote Use Not use controller for limit operation and leave home function only Part 4 Commissioning and Test Run 4 13 Field settings ESIE05 01 2 5 Overview of the Factory Settings of the Indoor Units Factory settings The table below contains the factory settings of all indoor units Mode No Firstcode Second code No d FCQ FFQ FBQ FAQ FDQ FUQ FHQ 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
72. K1M Magnetic contactor compressor X1M Terminal strip power supply X2M Terminal strip interconnection wiring 1 34 Part 1 System Outline ESIE05 01 Wiring Diagrams Outdoor Units 5 Wiring Diagrams Outdoor Units 5 1 What Is in This Chapter Introduction This chapter contains the wiring diagrams of the outdoor units Wiring diagrams This chapter contains the following wiring diagrams Wiring diagram See page 5 2 RR71 100B7V3B 1 36 5 3 RR71 100B7W1B 1 37 5 4 RR125B7W1B 1 38 5 5 RQ71 100B7V3B 1 39 5 6 RQ71 100B7W1B 1 40 5 7 RQ125B7W1B 1 41 Part 1 System Outline 1 35 Wiring Diagrams Outdoor Units ESIE05 01 5 2 RR71 100B7V3B Wiring diagram The illustration below shows the wiring diagram of the unit Nae d wT oa ne POWER SUPPLY 7 1 50Hz 71 100 CLASS 230V i SPL r 0 H an VIE PA xm a Tees rm RT RIT Ps wy o d E a mr FE
73. K3R KiM D 000 P 7 stek L HJ HH C L H HH C CT xm DO xm A u jv jw GRP sar XA GG GI xia PO 9 A xr XA p 125A f SES p zi o o a 22 a lane Se Eee ee Eee ESA moy Mo L ze EN mann WAT fan TERMINAL Fi PX a amp wl EEs a AA TT nn a 4 LE FIELD WIRING BLK BLACK RED RED WEE ibe 1 TERMINAL BLU BLUE WHT WHITE Sa A L LIVE ORG ORANGE YLW YELLOW N NEUTRAL CONNECTOR NOTE PROTECTIVE EARTH SCREW CONFIRM THE METHOD OF SETTING THE DIP SWITCH DS1 SOA TERMINAL BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26366 1 A1P Printed circuit board PC Power circuit BS1 Push button switch QiM Thermo switch M1F Forced defrost pump down Q2M Thermo switch M2F C1 Capacitor M1F Q1RP Phase reverse circuit C2 Capacitor M2F R1T Thermistor Air DS1 Dip switch R2T Thermistor Coil E1HC Crankcase heater R3T Thermistor Discharge pipe F1U F2U Fuse T6 3 250V RC Signal receiver circuit HAP Light emitting diode S1PH Pressure switch High Service monitor green S1PL Pressure switch Low K1M Magnetic contactor M1C SD Safety devices input K1R Magnetic relay K1M TIA Current transformer K2R Magnetic relay Y1S TC Signal transmission circuit K3R Magnetic relay E1HC X1M X2M Terminal strip K4R Magnetic relay Y2S Y1E Expansion valve Electronic K5R K6R K7R Magnetic relay M1F Y1S 4 way valve K8R K9R K10R Magnetic relay M2F Y2S Solenoid valve M1
74. O Low probabiltiy of malfunction O No possibility of malfunction do not replace 3 16 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 10 Troubleshooting with the Remote Controller Outdoor Malfunctions Malfunction The table below contains an overview of the outdoor unit malfunctions overview Outdoor Remote Location of Malfunction Contents of Malfunction Details of Unit Mal Controller Malfunction functions Display Other PC Board Reference than PC page Board Outdoor Indoor Remote Unit unit Contr i O Actuation of safety device 3 38 El O Outdoor P C board malfunc 3 42 tion E High pressure system 3 43 HPS malfunction EY Low pressure system LPS 3 45 malfunction Eb O Compressor Overcurrent 3 47 Fa O Malfunction of electronic 3 49 expansion valve Fi O Discharge pipe temperature 3 51 malfunction HI O Failure of high pressure 3 53 switch HE O Malfunction of outdoor air 3 54 temperature sensor system Ue O Malfunction of current sen 3 57 sor system uF o Malfunction of discharge 3 55 pipe temperature sensor system vb O Malfunction of heat 3 56 exchanger temperature sen sor system Pl O Failure of capacity setting 3 59 Symbols and notes The table below describes t
75. R407C R404A R507A R134a etc Differences Previous testers detected chlorine Since HFCs do not contain chlorine new tester detects hydrogen Refrigerant oil Air compal Specifications Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle Offers high rust resistance and stability over long period of time Differences Can be used for R410A and R22 units xviii ESIE05 01 Introduction Gauge manifold for R410A Charge hose for R410A Specifications High pressure gauge 0 1 to 5 3 MPa 76 cmHg to 53 kg cm Low pressure gauge 0 1 to 3 8 MPa 76 cmHg to 38 kg cm 1 4 gt 5 16 2min gt 2 5min No oil is used in pressure test of gauges gt For prevention of contamination Temperature scale indicates the relationship between pressure and temperature in gas saturated state Differences Change in pressure Change in service port diameter Hose with ball valve Specifications Working pressure 5 08 MPa 51 8 kg cm Rupture pressure 25 4 MPa 259 kg cm Available with and without hand operate valve that prevents refrigerant from outflow Differences Pressure proof hose Change in service port diameter Use of nylon coated material for HFC resistance xix Introduction ESIE05 01 Charging cylinder Weigher for refrigerant charge Charge mouthpiece NIZ Can not be used Specifications Use weigher f
76. T Thermistor Discharge pipe E1HC Crankcase heater RC Signal receiver circuit F1U Fuse T6 3 250V S1PH Pressure switch High HAP Light emitting diode S1PL Pressure switch Low Service monitor green SD Safety devices input K1M Magnetic contactor M1C TIA Current transformer K1R Magnetic relay K1M TC Signal transmission circuit K2R Magnetic relay Y1S X1M X2M Terminal strip K3R Magnetic relay E1HC Y1E Expansion valve Electronic K4R Magnetic relay Y2S Y1S 4 way valve K5R K6R K7R Magnetic relay M1F Y2S Solenoid valve M1C Motor compressor CT Current transformer Part 1 System Outline 1 39 Wiring Diagrams Outdoor Units ESIE05 01 5 6 RQ71 100B7W1B Wiring diagram The illustration below shows the wiring diagram of the unit 71 100 CLASS 2 1 S1PL EE kl xm LN ETET i RIT RT RT Ps AN e POWER SUPPLY EN 3 z le FO F F LJ Dr outdoor
77. V Frequency 50 Hz No of wire connections 3 wires for power 5 wires for power 3 wires for power 5 wires for power supply supply supply supply including earth wire including earth wire including earth wire including earth wire 4 wires for connection with indoor including earth wire Power supply intake Outdoor unit only Compressor Phase 1 3 1 3 Voltage 230 V 400 V 230 V 400 V Starting method Direct No x motor output 1x2200 W 1x3000 W 1x3750 W Fan motor Phase 1 Voltage 230 V No of motors x output 1x65W 1x90 W 1x85 1x65 W 1 14 Part 1 System Outline ESIE05 01 Specifications Electrical Data RR71 The table below contains the electrical specifications for RR71 Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA LRA RLA kW FLA kW FLA FCQ71 RR71B7V3B 50 230 153 232 32 755 113 0065 06 0 045 06 FUQ71 RR71B7V3B 50 230 153 232 32 755 113 o 065 06 0 045 06 FHQ71 RR71B7v3B 50 230 NSOV 158 232 32 755 11 7 0065 06 o 062 06 FAQ71 RR71B7V3B 50 230 144 229 32 755 116 o 065 06 0 046 03 FBQ71 RR71B7V3B 50 230 150 235 32 755 108 o 065 06 0 125 09 FCQ71 RR71B7W1B 50 400 230 65 12 16 1411 43 10 065 06 0 045 06 FUQ71 RR71B7W1B 50 400 230 _max5oHz 65 m2 16 411
78. a KIR xua D Q Q A i X25A EE ol a ORG BLU BLK vs Pere POSITION OF u v w mF M y RED Lo COMPRESSOR EEN o TERMINAL TAM Tt vand ur es PA en el WIRE 4 85 SHORT CIRCUIT CONNECTOR BLK BLACK RED RED ENTRANCE A PI I FIELD WIRING BLU BLUE WHT WHITE TERMINAL ORG ORANGE YLW YELLOW L LIVE N NEUTRAL NOTE CONNECTOR CONFIRM THE METHOD OF SETTING THE DIP SWITCH DS1 PROTECTIVE EARTH SCREW BY SERVICE MANUAL WHEN THE UNIT IS SHIPPED BY TERMINA FACTORY ALL SWITCHES ARE SET TO BE OFF 2TW26386 1 A1P Printed circuit board PC Power circuit BS1 Push button switch QiM Thermo switch M1F Forced defrost pump down Q1RP Phase reverse circuit C1 Capacitor M1F R1T Thermistor Air DS1 Dip switch R2T Thermistor Coil E1HC Crankcase heater R3T Thermistor Discharge pipe F1U F2U Fuse T6 3 250V RC Signal receiver circuit HAP Light emitting diode S1PH Pressure switch High Service monitor green S1PL Pressure switch Low K1M Magnetic contactor M1C SD Safety devices input K1R Magnetic relay K1M T A Current transformer K3R Magnetic relay E1HC TC Signal transmission circuit K4R Magnetic relay Y2S X1M X2M Terminal strip K5R K6R K7R Magnetic relay M1F Y1E Expansion valve Electronic M1C Motor compressor Y2S Solenoid valve M1F Motor fan CT Current transformer Part 1 System Outline 1 37 Wir
79. aa na 1 31 4 2 RR RQ71 100B7VBB nnn enneeneneeeenneeeeennnennennenennneerenenn eneen 1 32 4 3 RR RQ7 1 100B7W1B oca 1 33 4 4 RR RQ125B7W1B nnen ner enneereeneeneeeneenenneereneeernneeensnnnerennn 1 34 Table of Contents ESIE05 01 5 Wiring Diagrams Outdoor Units 5 1 What Is in This Chapter nen vanneneenenenenennvenneneneeeneneneenneennn 1 35 5 2 RR71 100B V3B EEA T e AEAN 1 36 5 3 RR71400B7W TB citada laica 1 37 5 4 RR125B7WIB viii ic 1 38 5 5 RQ71 1D00B7VBB caia lat a dada 1 39 5 6 RQ71 100B7WIB iio e atada 1 40 5 7 RQ125B7W1B os at 1 41 6 PCB Layout 6 1 What Isin This Chapter zinsneden aes 1 43 6 2 RR RQ71 100B7V3B EC0413 on ciccecctscssccsecsesscacisatascssascoieategatesactavcacess 1 44 6 3 RR RQ71 125B7W1B ECO0414 oooococccocccccooccnnonnccnnnnnnononcnnnnnnconnnnnninnnnnns 1 46 ii Table of Contents ESIE05 01 Part 2 Functional Description 1 General Functionality 1 1 What ls in This Chapter cita 2 3 1 2 Functions of Thermistors nennen venenerenneneeenenenenneneeenenen ennen 2 4 1 3 Operating Modes and Control Modes nennen neen vennerennenn 2 6 1 4 Forced Operating Mode Emergency Operation nennen 2 7 1 5 Outdoor Unit Identification Function nennen ennen eeen eenven 2 10 1 6 Thermostat Control viii are 2 11 1 7 Forced Thermostat OFF musico at aii awe edad 2 13 1 8 HPS and LPS Function iii iia 2 15 1 9 Simulated Operation FUNCTION nennen venne nennenenene
80. ain within 80 s cooling can restart after the 10 min recovery Thermostat OFF a The thermostat stays forced OFF 2 The drain pump starts to operate for minimum 10 min 3 If the float switch closes again within 80 s cooling can restart after the 10 min recovery drain pump stops Float switch opens each time the controller After five retrials the error code AF flashes on the remote The drain pump control uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Float switch 33H X15A Magnetic relay drain pump RyP X25A Part 2 Functional Description General Functionality ESIE05 01 Detection system Float type During start up Float type During operation compr ON All applicable units use a drain pan water level detection system of the float type The time chart below illustrates the drain pump control during start up Water level abnormality Float switch Normal ON Compressor OFF ON Drain pump OFF 5 min maz 5 min X __Abnormal Error processing Normal 1 min 20 p The time chart below illustrates the drain pump control during start up Water level abnormality Float switch Normal ON Compressor OFF ON Drain pump OFF 5 min SY 5 min AC Abnormal Er
81. al reset No gt Yes Is the electronic expansion valve connected to the outdoor unit PCB Y Outside cause electric noise etc Did you measure the resistance over a grey wire 400 lt resistance lt 500 Yes Replace outdoor unit PCB No 3 Connect correctly 800 lt resistance lt 1000 Faulty electronic expansion valve Replace outdoor unit PCB No gt gt Faulty electronic expansion valve Caution may occur Be sure to turn off power switch before connecting or disconnecting the connector or parts damage 3 50 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 8 Malfunctioning in Discharge Pipe Temperature F3 Error code F3 Error generation The error is generated when Discharge pipe temperature becomes abnormally high Discharge pipe temperature rises suddenly Discharge pipe thermistor is not in its holder Causes The possible causes are Improper refrigerant amount Clogging refrigerant piping circuit Discharge temperature that is too low due to too much refrigerant or due to the discharge thermistor being out of its holder Electronic expansion valve coil is disconnected from valve body Discharge temperature that is too high The possible causes are Excessively high discha
82. ance Outdoor Units ESIE05 01 1 4 RR125B7W1B Exploded view The illustration below shows the exploded view 4TW26419 50 1 28 EL COMPO BOX RR125B7W1B yA ff 1 1 ia aEA 57 RR125B7W1B 5 8 Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The table below contains the components of the exploded view No Component No Component 1 Compressor 38 Terminal strip for CT 2 Rubber cushion pre assy 39 Cup washer 3 Sound insulation for comp 1 40 Thermistor clamp 4 Bolt for compressor 41 Fan propellor 5 Nut with washer 42 Washer 6 Plate finned coil heat exch as 43 Top plate assy 7 Liquid receiver assy 44 Front plate assy 8 Flare nut 5 8 45 Front plate 2 assy 9 Stop valve cap 46 Side plate assy 10 Service port 47 Part plate assy 11 Valve core 48 Fan motor stand left 12 Shraeder round dustcap 49 Fan motor stand right 13 Low pressure switch 50 Fan motor stand 14 Gas stop valve assy 51 Fan motor stand up 15 Filter 52 Cover 16 Muffler 53 Piping cover rear 17 High pressure switch 54 Stop valve mounting plate 18 Motor operated valve body 55 Bell mouth assy 19 Solenoi
83. ant 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 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 Part 3 Troubleshooting 3 79 Additional Checks for Troubleshooting ESIE05 01 5 9 In cooling operation In heating operation Evaluation of abnormal low pressure Abnormally low pressure level is mostly caused by the evaporator side The following co
84. ant value Possible Causes Faulty current sensor Faulty outdoor unit PC board Disconnected compressor Troubleshooting Restart the compressor using the remote controller Is J2 displayed NO on the remote controller YES Check compressor terminal connections Could result from external causes e g noise other than malfunction gt Correct NO Connections OK Check continuity of windings NO Continuity OK gt Replace compressor gt Replace outdoor PC board Part 3 Troubleshooting 3 57 Error Codes Outdoor Units ESIE05 01 Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 58 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 14 Failure of Capacity Setting PJ Remote Controller Pu Display Method of Check whether set value i e factory set value written in E7PROM or set value with the replaced Malfunction capacity setting adaptor X26A is the same as that of outdoor unit capacity Detection Malfunction When the set value with the E PROM differs from that of the outdoor unit capacity or any capacity Decision setting adaptor other than that suitable for the applicable PC board is installed However the failure Conditions decision is made only when the power supply is turne
85. ard ass y The flow to setup the printed circuit board ass y lt Please check the capacity of the unit gt Please attach the capacity setting adaptor fig 3 to X26A l Refer to fig 2 Nr 1 lt Is the model p 7 RQ RR71 125B7W1B gt No lt RQ RR71 100B7V3B gt l Yes lt ls the capacity of the unit 71 or A lt RQ RR125B7W1B gt 100 gt No l Yes In the case of 71 or 100 Please attach 2 connectors of accessories to printed circuit board ass y Please attach the connector for terminal protection to X15A Refer to fig 2 Nr 2 Please attach a short circuit connector to X12A Refer to fig 2 Nr 3 a lt ls it a C O or H P gt H P Figure 1 C O g Weasels Cutting Please cut jumper J4 as shown in fig 1 on this page gt position for jumper Refer to fig 2 Nr 4 pamen a y 4 lt Replacement of the PCB ass y gt 4 18 Part 4 Commissioning and Test Run ESIE05 01 Field settings lt Replacement of the PCB ass y gt CAUTION How to exchange PCB ass y from a resin case 1 Resin cover is removed 2 All connectors are removed 3 Three hooks on the left side of a resin case are moved and PCB ass y is removed Beware not to damage the CT wire yellow wire 4 PCB ass y is exchanged Please reconnect all connectors as before according to the electric wiring diagram 6 Resin cover is attached Y
86. ating Operation stops suddenly operation light flashes Abnormal functioning Make sure the required space for installation is provided See chapter General Outline Outdoor Units To troubleshoot check the following Check if the breaker has switched OFF or the fuse has blown Check if the batteries are placed in the remote controller Check if the address switch is set correctly See page 4 5 Check if the timer is set correctly To troubleshoot check the following Check if the filters are clean Check if there is no obstruction of the air inlet or outlet of the indoor and outdoor units Check if the temperature settings are correct Check if all windows and doors are closed Check if the air flow and air direction are set correctly Check if the unit is not set to fan only operation To troubleshoot check the following Check if the air filters are clean Check if there is no obstruction of the air inlet or outlet of the indoor and outdoor units The operation light flashes when the following errors are detected Activation of a safety device or malfunctioning thermistors Transmission error between the indoor and the outdoor unit The air conditioner may malfunction due to lightning or radio waves To check proceed as follows Step Action 1 Switch OFF the breaker 2 Switch it back ON 3 Check the operation by trying to operate with the rem
87. between Indoor Unit and Remote Controller U5 Error code Error generation Causes Troubleshooting Caution Lr The error is generated when the microprocessor detects that the transmission between the indoor unit and the remote controller is not normal over a certain amount of time The possible causes are Malfunctioning remote controller Malfunctioning indoor PCB Outside cause noise Connection of two master remote controllers when using two remote controllers To troubleshoot proceed as follows SS1 of both remote controllers is set to MAIN Control by 2 remote controllers All indoor unit PCB microcomputer normal monitors flashing Resets normally when power supply is turned off temporarily YES YES NO Set one of the remote controllers to SUB turn off the power supply temporarily then restart operation Indoor unit PCB replacement Using multicore transmission wiring YES Malfunction could be produced by noise Check the surrounding area and restart operation between indoor unit and remote controller NO Change to double core independent cable Failure of remote controller PCB or replacement of defective indoor unit PCB Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur
88. bient temperature When the startup control is terminated the general control will determine the expansion valve opening The expansion valve is controlled in order to approach the optimum temperature at the discharge pipe Used input The motor operated valve control uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Outdoor thermistor R1T Outdoor heat exchanger thermistor R2T Discharge pipe thermistor R3T Indoor heat exchanger thermistor R2T 2 26 Part 2 Functional Description ESIE05 01 Overview of the cooling mode functions 2 Overview of the cooling mode functions 2 1 What Is in This Chapter Introduction This chapter contains information on the functions used to control the system when the system is in cooling mode Understanding these functions is vital when diagnosing a malfunction that is related to the functional control Overview This chapter contains the following topics Topic See page 2 2 Dry Keep Mode 2 28 2 3 Freeze Up Function 2 29 2 4 Outdoor Fan Starting Control in Cooling or Dry Keep Mode 2 30 2 5 Normal Outdoor Fan Control in Cooling Operation 2 33 2 6 High Pressure Protection Control in Cooling Operation 2 35 Part 2 Functional Description 2 27 Overview of the cooling mode functions ESIE05 01 2 2 Dry Keep Mode Applicable units Purpose Method Thermo
89. ccording outdoor air temperatures are shown in the table below Operating mode Outdoor air temp Ta Starting fan speed See further in this section Cooling mode dry keep mode area 1 Ta lt 3 C L speed 20 s after compressor start Fan speed for Ta lt 3 C area 2 3 C lt Ta lt 10 C L speed area 3 10 C lt Ta lt 23 C L speed area 4 Ta gt 23 C HH speed Different fan speeds When cutting jumper J3 the 20 second timer is changed to 5 seconds The outdoor fan will start 10 seconds before compressor start in order to minimize the stress to the compressor at startup avoid a heat draft after fan startup maximize the capacity at startup 2 30 Part 2 Functional Description ESIE05 01 Overview of the cooling mode functions Fan speed for This fan starting control is made to be able to build up the compression ratio as soon as possible Ta lt 3C because this has two advantages It is better for the compressor to increase the compression ratio because the lubrication must be done by the pressure difference between low and high pressure The pressure difference is necessary for the h p models to keep the 4 way valve in its correct position thermostat ON Area 2 4 180 sec fan start control normal fan operation ed Outdoor fan Compressor OFF thermostat ON Area 1 180 sec fan start control
90. curs if Function Description Starting conditions the conditions Wet operation Prevents liquid suction to Change in E V opening Are met for 15 min the compressor lt 50 pulses continuously Td lt Tc 10 C Thermistor Detects if the discharge Td lt 55 C Are repeated 6 out o is not in the cor After startup 5 min times rect position ATd lt 5K Td lt Ta 10 C High temp The table below contains the high temperature conditions to start the discharge pipe temperature starting conditions control Function description Starting conditions POr ed if the conditions Detects too high discharge gas Td gt 120 C for 20 s continuously Are repeated 6 temperatures times Used input The discharge pipe temperature control uses the following inputs input Connection on Connection on p indoor PCB outdoor PCB Outdoor discharge thermistor R3T X6A Outdoor heat exchanger thermistor R2T X5A Indoor heat exchanger thermistor R2T X18A Part 2 Functional Description 2 17 General Functionality ESIE05 01 1 11 Gas Shortage Function Purpose The purpose of the gas shortage function is to detect refrigerant shortage before the unit stops due to a discharge temperature that is too high Method When the thermostat is turned OFF due to a discharge pipe temperature that is too high and the E V opening is 450 pulses or more the gas
91. d on Possible Causes Improper set value with E PROM Improper capacity setting adaptor installed Faulty outdoor unit PC board Troubleshooting Is the capacity setting adapter X26A connected to the outdoor Connect an adapter suitable unit PC board for the applicable model See Note below pee Check whether the combination of the capacity setting adapter X26A installed is correct for the PC board NO gt Correct the combination if wrong Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Notes The capacity setting adaptor is not connected at the time of shipment from factory The capacity is written in the E7PROM This capacity setting adaptor is required only when the PC board is replaced with a spare PC board Refer to instructions on how to set Spare Part outdoor PC board on page 4 18 Part 3 Troubleshooting 3 59 Error Codes Outdoor Units ESIE05 01 3 60 Part 3 Troubleshooting ESIE05 01 Error Codes System Malfunctions 4 Error Codes System Malfunctions 4 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 contai
92. d valve body 56 Suction grill 20 Liquid stop valve assy 57 Air discharge grill 21 FI233 Filter 58 Handle 22 Strainer 59 Bottom frame assy 23 T joint 60 Installation leg painted 24 El compo mounting assy 61 Bottom tray assy 25 PCB assy 62 Cushion top 26 Resin cover assy 63 Packing case p m 27 Magnetic switch 64 Thermistor fixing plate 28 Fan motor capacitor 65 Single phase AC fan motor 29 Motor operated valve coil 66 Single phase AC fan motor 30 Thermistor 67 Thermistor mounting spring 31 Thermistor 68 Thermistor mounting spring 32 Thermistor 69 Insulation tube gas 33 Wire clip 70 Thermal insulation tube 34 Wire clip 71 Thermal insulation tube 35 Crank case heater 72 HPS cable 36 Terminal strip 73 Solenoid valve coil 37 Terminal strip Part 5 Disassembly and Maintenance Disassembly and Maintenance Outdoor Units ESIE05 01 1 5 RQ71B7V3B RQ71B7W1B Exploded view The illustration below shows the exploded view 3 o i 5 Er EL COMPO BOX RQ71B7W1B EL COMPO BOX RQ71B7V3B RQ71B7V3B RQ71B7W1B 59 voo 54 kee St 5 10 Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The tab
93. door heat exchanger thermistor R2T Discharge pipe thermistor R3T 2 40 Part 2 Functional Description ESIE05 01 Overview of the heating mode functions 3 3 4 way Valve Control Applicable units RQ71 125B Purpose The purpose of the 4 way valve control is to control how the superheated refrigerant passes through the 4 way valve The 4 way valve control carries out the changeover switching of the 4 way valve This changeover switching is only carried out during operation because pressure difference is required to move the internal cylinder When Then the 4 way valve connects the outlet of the compressor with Cooling Outdoor heat exchanger Heating Indoor heat exchanger Method The table below describes the 4 way valve control operation In The 4 way valve is Heating except for defrosting ON Cooling OFF Dry keep Defrosting Time chart The time chart below illustrates the 4 way valve control ON Compressor OFF i Cooling dry keep Unit mode Heating ON m Defrosting OFF 4 way valve ON i i i OFF Used input The 4 way valve control uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Indoor air temperature R1T auto changeover X19A Outdoor heat exchanger temperature R2T defrost X5A Part 2 Functional De
94. e Indoor unit No for which you want to adjust the field settings 4 Press the upper part of the PROGRAMMING TIME button to select the First code No 5 Press the lower part of the PROGRAMMING TIME button to select the Second code No 6 Press the CONFIRMATION button to confirm the changed setting 7 Press the INSPECTION TEST button to return to Normal mode Part 4 Commissioning and Test Run 4 11 Field settings ESIE05 01 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 ON OFF IS ra ED Mode No AS TIME UP button Field setting mode SETTING UP 2 now button FANDOWN En CANCEL RESERVE button RESERVE First code No _ n TIMER ru A E MODE button Second code No e SWING 0 0 OS TEST qe INSPECTION TEST button Setting To set the field settings you have to change Mode No First code No Second code No To change the field settings proceed as follows Step Action 1 Hold down the INSPECTION TEST button for at least 4
95. e 4 13 JUMPEES OVEIVISWS a a AS ei treat hen 4 24 MAIN SUB omi aren ae hoo oe act 2 lags iaa da A Dat id aen Add rr Aa 4 15 maintenance Mode voii ee eed da ada a oe Dkt 4 23 possible system Settings esaia di sore nn eee A AAA a 4 22 simulated operation function o oooocoococcc eee 2 16 SPECIAL da de 1 13 SUB ia ae tn abono aa A dte ede IA A 4 15 SWIECHIDOXES aon ad dae o to ede 1 31 T technical specificationS 22 240 be daa 1 13 test run Checks Baert ia bisa Ss alee ian Le AAA le alee 4 4 thermal protector fan motof ren on oare ae err de eee bok ee te aaneen aoe ee de oe 3 20 thermistors CHECKING ui das died 3 76 TUNCION So dida at a ti ede haden 2 4 loc ting a eoa NEEDE RAN AEN abe ee be a es 2 4 A A O A RO 3 77 RIT toman vendre ende iw B rai e eet ande ve ee 3 78 thermostat Control meestapper r 2 11 Index ESIE05 01 UA A A A diia 3 62 laces drake testi ners dsten de Sule E E cist ay E th cet dende enen te aa 3 63 Utils Gan eee eren Dee Maer eas Cene Banen nenten 3 65 EEN EE aT NETREGS 3 67 Edet an cs aula ain eden en ay E ada AGO dee Arte ar Pag ile me teat Sg 3 68 Urnen tarde re Rn hen a ae grain eee nere E 3 69 A Ae deens A AI A cant 3 65 vibrations A e a a A td tai ee 3 5 W wired remote controller ee eee eee teen eens 3 13 wiring diagrams o tdoor UNITS rn ren E E ainda dtd A Rata E acces Aedes 1 35 Index ESIE05 01 vi Index
96. e Input current value Input current value RQ RR 71B7V3B JT90G V1N 25 3 RQ RR 71B7W1B JT90G YE 11 5 RQ RR 100B7V3B JT125G V1N 38 0 RQ RR 100B7W1B JT125G YE 11 5 RQ RR 125B7W1B JT160G YE 15 0 3 48 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 7 Malfunctioning Electronic Expansion Valve ES mi Ma Error code Error generation Open circuit lt coil current lt short circuit The error is generated when the following coil current condition is not met Resistance values The table below contains the reference resistance values Grey Black Yellow Red Orange Grey En 40 50 Q 40 50 Q 40 50 Q 40 50 Q Black 40 50 Q 80 100 Q 80 100 Q 80 100 Q Yellow 40 50 Q 80 100 Q 80 100 Q 80 100 Q Red 40 50 Q 80 100 Q 80 100 Q 80 100 Q Orange 40 50 Q 80 100 Q 80 100 Q 80 100 Q Causes The possible causes are Malfunctioning electronic expansion valve Broken or disconnected electronic expansion valve harness Malfunctioning electronic expansion valve connector connection Malfunctioning outdoor unit PCB Outside cause electric noise Part 3 Troubleshooting 3 49 Error Codes Outdoor Units ESIE05 01 Troubleshooting To troubleshoot proceed as follows 4 Turn the power supply off and back on again Check resistance of electronic expansion valve coil Norm
97. e flow O elo E adapto m stibe preventive function INSTA TSC Weighting instrument O Charge mouthpiece Seal material is different between R22 and HFCs Thread specification is different between R410A and others Flaring tool Clutch O For R410A flare gauge is type necessary Torque wrench O Torque up for 1 2 and 5 8 Pipe cutter O Pipe expander O Pipe bender O Pipe assembling oil Xx Due to refrigerating machine oil change No Suniso oil can be used Refrigerant recovery Check your recovery device device Refrigerant piping See the chart below Only 619 1 is changed to 1 2H material while the previous material is O As for the charge mouthpiece and packing 1 2UNF20 is necessary for mouthpiece size of charge hose XV Introduction ESIE05 01 Copper tube material and thickness R407C R410A Pipe size 7 F Material Annee Material He ess O tmmj tmmj 6 4 O 0 8 O 0 8 9 5 O 0 8 O 0 8 12 7 O 0 8 O 0 8 15 9 O 1 0 O 1 0 19 1 O 1 0 1 2H 1 0 O Soft Annealed H Hard Drawn Pipe thickness may vary according to unit type Refer to the Installation Manual for correct wall thickness Flaring tool Specifications e Dimension A Flare gauge Ty L T e Nominal size Tube O D A Do Class 2 R410A Class 1 Conventional 1 4 6 35 9 1 9 0 3 8 9 52 13 2 13 0 1 2 12 70 16 6 16 2 5 8 15 88 19 7 19 4
98. e indoor units one by one to check whether they operate correctly Afterwards switch ON all units to check whether they all operate simultaneously Go through the following checklist Checkpoints Cautions or warnings Are all units securely installed Dangerous for turning over during storm 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 Poor cooling i units unobstructed 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 Poor cooling Poor heating Stop Is the supply voltage conform to the specifications on Incorrect operation the name plate Are the cable sizes as specified Damage of cables Are the remote controller signals received by the unit No operation 4 4 Part 4 Commissioning and Test Run ESIE05 01 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 remote 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 pr
99. elow shows the operation range 50 46 45 44 40 35 a m 30 a o 5 e 25 5 8 8 Cc t y 8 c 8 g 20 S S gt t u O 5 E Q D 15 2 5 2 fe 10 Ke lt x 5 0 5 10 EET 20 25 28 30 Indoor temp C WB Notes Depending on operation and installation conditions the indoor unit can change over to freeze up operation indoor de icing To reduce the freeze up operation indoor de icing frequency it is recommended to install the outdoor unit in a location not exposed to wind 4 30 Part 4 Commissioning and Test Run ESIE05 01 Test Run and Operation Data 3 3 RQ71 125B Conditions The illustrations in this section are based on the following conditions Equivalent piping length 7 5 m Level difference 0 m Air flow rate High Operation range The illustration below shows the operation range Cooling Cooling 50 46 45 44 40 35 5 T 30 3 o x 25 gt El 5 AS 5 20 5 8 43 8 15 245 O fo 2 2 10 p o Q 5 0 z 0 5 i 1 1 12 15 20 25 28 30 ndoor temp C WB Operation range The illustration below shows the operation range Heating Heating 20 T 15 o 10 o a 5 E 5 8 0 Sus 5 E o 2 10 10 15 20 25 27 30 Indoor temp C DB Notes Depending on operation and installation conditions the indoor unit can change over to freeze up operation
100. et position Set position Set position trolled dry keep mode setting p P 3 Thermostat OFF Swing operation Setting Horizontal Horizontal Swing cooling Airflow direction Set position Set position Set position setting Stop error Swing operation OFF Horizontal Downward horizontal Airflow direction Set position Downward setting Freeze up prevention Swing operation L Horizontal Horizontal Swing in microcomputer con Airflow direction Set position Set position Set position trolled dry keep mode setting including cooling oper ation Part 2 Functional Description 2 21 General Functionality ESIE05 01 1 14 Auto Restart Function Applicable units All units Purpose The purpose of the auto restart function is to resume the same operating mode after the power was turned OFF as when the unit was operating Turning OFF power When you have to turn OFF the power supply in order to carry out maintenance make sure to turn the remote controller s ON OFF switch OFF firstly If you turn OFF the power supply while the remote controllers ON OFF switch is still ON the auto restart function automatically starts the indoor fan immediately and the outdoor unit fan starts automatically 3 min after the power supply is turned back ON 2 22 Part 2 Functional Description ESIE05 01 General Functionality 1 15 Using Conditions for Remote Controller Thermostat Applicable uni
101. f 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 ing and then add proper amount refrigerant 3 80 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting 5 10 Checks Check for Clogged Points Temperature differences must occur before or after the clogged points COMP bedr Indoor Unit Pa Cutdoor Unit Check points Check factor Causes Remedies 1 Around Temperature Dust Replace the expan expansion difference Choked moisture sion valve mechanism Reduced effective pipe diameter due to adherent contamination etc 2 Distributor Temperature Dust Replace the heat difference Choked moisture exchanger or distributor Reduced effective pipe diameter due to adherent contamination etc 3 Field piping Temperature Collapsed pipe Replace the pipe difference 4 Stop valve Temperature The stop valve is not fully Open the stop valve difference open fully Part 3 Troubleshooting 3 81 Additional Checks for Troubleshooting ESIE05 01 3
102. f drain up height and horizontal pipe length exceed specifications flow in reverse during non YES Faulty trap in water drainage system Replace indoor unit PCB Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Part 3 Troubleshooting 3 31 Error Codes Indoor Units ESIEO5 01 2 6 Malfunctioning Capacity Setting Av Error code LED indications Error generation Causes Capacity setting adaptor pa cL The table below shows the LED indications Operation HAP green HBP green Normal Cs 3 Malfunctioning XK XK 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 2 The unit is in operation The capacity that is set does not exist for that unit The possible causes are Malfunctioning capacity setting adaptor connection Malfunctioning indoor unit PCB The 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 replacemen
103. frost upper limit time A is met Outdoor fan is ON not in overload control Outdoor fan is OFF overload control When quick Factory settin When slow defrost starting 1 6 26 3 01 9 defrost starting is set 16 26 3 03 is set 16 26 3 02 Slee temp 40 minutes 3 hours 24 hours gt 5 C er temp 40 minutes 6 hours 24 hours 2 38 Part 2 Functional Description ESIE05 01 Overview of the heating mode functions Heating integral The integral heating capacity is calculated by using the indoor unit data R2T R1T divided by the capacity compressor running time Max integral Integral capacity value capacity EON _ Diminishing Y integral capacity lt gt Compr ON time i Heating Defrosting lt gt lt At the same time of setting field setting 16 26 3 03 defrost starting becomes 4 C higher Defrost control The illustration below shows the defrost control Defrosting start Defrosting ending Outd unit heat exchager temp Tc 10 C Compressor 4 way valve Motorized valve Outd unit fan Ind unit fan Note Control and time Description 1 Compressor operation at Compressor OFF for 90 seconds only in case outdoor ambi defrost start ent gt 9 C and indoor ambient gt 24 C 2 Motorized valve control After a defrost activation the defrost motorized valve is at during defrost operation 480 pu
104. g to the model Part 3 Troubleshooting 3 15 Troubleshooting ESIE05 01 1 9 Troubleshooting with the Indoor Unit LEDs and the Remote Controller 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 Malfunction The table below contains an overview of the indoor unit malfunctions overview If Then Indoor unit LED Location of the mal LED function Remote con 3 dd front troller display Malfunction description See page panel HIP H2P Other PCB HAP HBP than PCB ind unit e xe Cg Note 1 Normal ES ECS Ees Al O Malfunctioning Indoor PCB A1 3 26 3 0 o e AS Malfunctioning Drain Water Level System 3 27 A3 AS O Indoor Unit Fan Motor Lock A6 3 29 AF O Malfunctioning Drain System AF 3 31 Ad O Malfunctioning Capacity Setting AJ 3 32 CH or ES O Thermistor Abnormality C4 or C9 3 34 Lu O Malfunctioning Remote Controller Air Ther 3 36 mistor CJ Symbols and notes The table below describes the symbols and notes used in the malfunction overview Symbol note Description Note 1 Variety of circumstances los LED is ON Cs LED is flashing e LED is OFF High probability of malfunction
105. generation Causes Troubleshooting Caution ra Li The table below shows the LED indications Operation HAP green HBP green Normal Cs Cs Malfunctioning 3 Y 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 Malfunctioning thermistor Broken wire To troubleshoot proceed as follows Turn the power supply off once and then back on Is CJ displayed on the YES remote controller NO gt Replace remote controller Could be outside cause p gt noise other than malfunction Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 36 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 Error Codes Outdoor Units 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 Activation of Safety Device EO 3 38 3 3 Fail
106. hat Is in This Chapter Introduction This chapter contains the following information on the outdoor units Outlook and dimensions Installation and service space Components General outline This chapter contains the following general outlines General outline See page 1 2 RR71 and RQ71 Outlook Dimensions and Components 1 4 1 3 RR100 and RQ100 Outlook Dimensions and Components 1 6 1 4 RR125 and RQ125 Outlook Dimensions and Components 1 8 1 5 RR71 RR100 RR125 RQ71 RQ100 and RQ125 Installation and 1 10 Service Space Part 1 System Outline 1 3 General Outline Outdoor Units ESIE05 01 1 2 RR71 and RQ71 Outlook Dimensions and Components Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions ae e u dea q E x CO LOL I LOL mm LIL mm CIC ES A a a Installation and service space See page 1 10 Part 1 System Outline ESIE05 01 General Outline Outdoor Units Components The table below contains the different components of the unit No Component Gas pipe connection Liquid pipe connection Service port inside the unit for RQ71 only Gr
107. he symbols and notes used in the malfunction overview Symbol note Description High probability of malfunction O Low probabiltiy of malfunction O No possibility of malfunction do not replace Part 3 Troubleshooting 3 17 Troubleshooting ESIE05 01 1 11 Troubleshooting with the Remote Controller System Malfunctions Malfunction The table below contains an overview of the system malfunctions overview If Then Location of the malfunction Rem contr Malfunction description See page display Other a Dy Rem P pag than PCB RA contr unit unit ua Gas Shortage Detection UO 3 62 Ui Reverse Phase U1 3 63 Y Y or LIF O Transmission Error between 3 65 Indoor and Outdoor Unit U4 or UF E O O Transmission Error between 3 67 Indoor Unit and Remote Con troller U5 Lh O O Transmission Error between 3 68 MAIN Remote Controller and SUB Remote Controller U8 Ui O na Malfunctioning Field Setting 3 69 Switch UA Symbols and notes The table below describes the symbols and notes used in the malfunction overview Symbol note Description High probability of malfunction O Low probabiltiy of malfunction O No possibility of malfunction do not replace 3 18 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 12 Overview of the Outdoor Safety Devices
108. hen ATr gt 1 0 C Thermostat goes into ON state when ATr gt 4 5 C Input ATr ATr 00l Aen O NA Output K1M Pump down i E ON Input ATr ATr 4 5 00l A NR eco Output K1M Pump down gt ON OFF Part 4 Commissioning and Test Run 4 25 Field settings ESIE05 01 4 26 Part 4 Commissioning and Test Run ESIE05 01 Test Run and Operation Data 3 Test Run and Operation Data Introduction This chapter contains the following information General operation data Operation ranges Overview This chapter contains the following topics Topic See page 3 1 General Operation Data 4 28 3 2 RR71 125B 4 30 3 3 RQ71 125B 4 31 Part 4 Commissioning and Test Run 4 27 Test Run and Operation Data ESIE05 01 3 1 General Operation Data During cooling The operating conditions must be as follows mode and dry keep Items Operating modes If the operation is out this range Outdoor temp c o 15 to 46 CDB h p 5 to 46 CDB Indoor temp 12 to 28 CWB Indoor humidity 80 A safety device may stop the operation Condensation may occur on the indoor unit and start dripping The operation values are guidelines in the operation range LP 6 bar 9 8 bar low pressure HP 26 2 bar 33 9 bar high pressure Td 60 100 C discharge pipe temperature compre
109. illustration below are used to control the system This control secures a proper thermistors operation and prevents problems of the unit Functions of the The table below contains the thermistor functions of the heat pump unit thermistors Ther Wiring A mistar Location symbol Mode Function 1 Indoor R2T Cooling Optimise discharge temp evap temp heat Freeze up thermostat exchanger Heating Optimise discharge temp cond temp Integral capacity calculation to determine defrost Hot start indoor fan Peak cut off Outdoor unit fan control Part 2 Functional Description ESIE05 01 General Functionality Ther Location Wiring P Mode Function mistor symbol 2 Indoor air RIT Cooling Thermostat control return ve Start up control expansion valve and outdoor unit fan Outdoor fan speed control Heating Thermostat control Start up control expansion valve and outdoor unit fan Integral capacity calculation to determine defrost Peak cut off 3 Outdoor R2T Cooling Optimise discharge temp cond temp heat Outdoor fan speed control O L exchanger Heating Optimise discharge temp evap temp Defrost start stop 4 Outdoor R1T Cooling Outdoor fan speed control aroun Start up control expansion valve and outdoor unit fan Heating Integral capacity calculation to determine defrost Start up control expansion valve and outdoor
110. in order to avoid compressor restart with closed stop valves after finishing the previous pump down operation close stop valves turn OFF the power supply If accidentally the power was switched back ON the unit will automatically restart with closed stop valves which may result in a possible compressor breakdown 4 24 Part 4 Commissioning and Test Run ESIE05 01 Field settings 2 11 Input and output J1 J3 Jumpers The table below describes the input and the output of the jumpers Item Description Input ATr Cooling ATr Tr Ts Tr indoor unit suction air temp Heating ATr Ts Tr Ts temp set by the remote controller Output Magnetic switch compressor K1M The function of jumper J1 is to reduce the possibility of thermostat OFF reduce ON OFF cycle compr Factory setting closed state Field setting open state Thermostat goes into OFF state when ATr lt 0 0 C Thermostat goes into OFF state when 0 5 C lt ATr lt 0 0 C for 3 min or 1 5 C lt ATr lt 0 5 C for 1 min or 1 0 0 0 ATr lt 1 5 C Input ATr Input ATr ATr lt 0 0 C and gt 3 min A an ATr ATr lt 0 5 C and gt 1 min HON LR 0 0 0 5 The function of jumper J3 is to increase the differential for thermo ON Factory setting closed state Field setting open state Thermostat goes into ON state w
111. ing Diagrams Outdoor Units ESIE05 01 5 4 RR125B7W1B Wiring diagram The illustration below shows the wiring diagram of the unit 125 CLASS H SiPL Vm Tel 11213 ars nr EJ el x gig o g H Powersupply 3 ERE IE outdoor 3N 50Hz En va ba ere 400V j gep XA Fiu X4A X5A X6A X10A SWITCH BOX oe al o pst OUTDOOR Loa BLK fol 1 CT FU or HEEE 1 1234 E 1 g el mia pn mw ojesi XA oH aM HAP j te Rs r 5 Dd z i Dama ta XA E KIR K6R KBR KHOR KOR KBR KR KR OH stp 4 4 L H HH i H HH c xm lu jv yw aR xa D POD xis 2 5 ar pe BIE sek ser ORG ED ORG BLU BLK ol Ds OT Heme IAE m oyen Enya RO ree POSITION OF Uv Jw a Pi MEE we COMPRESSOR Me y LJ om ver craw mal TERMINAL La a c X ASZ me gt E 4 EEE FELDWRING BLK BLACK RED RED WIRE WIRE ce l TERMINAL BLU BLUE WHT WHITE L LIVE ORG ORANGE YLW YELLOW N NEUTRAL CONNECTOR NOTE E PROTECTIVE EARTH SCREW TERMINAL CONFIRM THE
112. inserted in the X24A of PCB 1 2 Compare the expansion valve unit with the number of the connector to make sure it is cor rectly connected 3 Switch the power OFF 4 Switch the power ON to check whether the expansion valve is producing a clicking sound If Then The expansion valve has no Disconnect the valve connector without the clicking sound clicking sound and proceed to step 5 5 Check the coil current Open circuit lt normal lt short circuit The table below contains the reference resistance values for the 71 class Red Brown Blue Orange Yellow White Red oo oo 450 oo 450 Brown oo 450 oo 450 oo Blue oo 450 oo 90 Q co Orange 450 oo oo oo 90 Q Yellow oo 450 90 O oo 00 White 450 oo oo 90 Q oo 7 The table below contains the reference resistance values for the 100 125 class Orange Red Yellow Black Gray White Orange oo 90 0 oo 450 oo Red oo oo 900 oo 450 Yellow 90 Q oo oo 450 oo Black oo 90 0 oo oo 450 Gray 450 oo 450 oo oo White oo 450 oo 450 oo nd 3 74 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting Step Action Check the clicking sound again If Then There is a clicking sound The expansion valve works properly There is no clicking sound Replace the expansion valve unit There is still no clicking sound Replace outdoor PCB 1 Part 3 Troubleshooting 3 75 Additional Checks for Troub
113. ions Specifications See page 2 2 RR71 RR100 and RR125 1 14 2 3 RQ71 RQ100 and RQ125 1 17 Indoor units Refer to Indoor unit Service Manual ESIEO5 04 Part 1 System Outline 1 13 Specifications ESIE05 01 2 2 RR71 RR100 and RR125 Technical The table below contains the technical specifications specifications Specification RR71B7V3B RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B Model JT90G V1N JT90G YE JT125G V1N JT125G YE JT160G YE Type Hermetically sealed scroll type Compressor Refrigerant oil type DAPHNE FVC68D Oil charge 1 5 liter Length 857 mm Rows x stages x fin pitch 2 x 34 x 2 0 mm 2 X 52 X 2 0 mm No of passes 6 10 Outdoor Face area 0 641 m 0 980 m Heat exchanger Tube type HI XSS Cooling tube Fin type Non sym waffle louvre Empty tubeplate hole 0 No of fans 1 2 Nominal air flow 230V cooling 48 m min 55 m min 89 m2 min Fan Fan motor model P47L11S x 1 P47L11S x 2 Fan speed 3 steps Type R410A Refrigerant circuit Charge 2 7 kg 3 7 kg Safety and functional devices See page 1 19 and 3 19 Heat insulation Both liquid and gas pipes Machine weight 83 kg 81 kg 102 kg 99 kg 106 kg Electrical The table below contains the electrical specifications specifications Specification RR71B7V3B RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B Unit Phase 1 3N 1 3N Voltage 230 V 400 V 230 V 400
114. ions In order to avoid formation of ice on the indoor heat exchanger in cooling and dry mode the system automatically starts up a freeze up cycle when some specific conditions are fulfilled Graph indoor h e temp Time B il e Temp B C an j i TempA C he s s n ae ee nnen Timea i ii ka lg Freeze up start Freeze up stop F Time Conditions Start Conditions OR Stop Conditions Te lt 1 C for 25 min accumulated compressor Te gt 10 C for 10 minutes continuously operation time Te lt A C for 1 minute continuous after gt 8 minutes continuous compressor operation time Te lt 1 C for 1 minute after gt 20 minutes continuous compressor operation time Parameters The parameter value A mentioned in above conditions is decided depending on the type of indoor model as follows Indoor unit Value A FAQ 1 C FHQ eG All other indoor models 5 C Part 2 Functional Description 2 29 Overview of the cooling mode functions ESIE05 01 2 4 Outdoor Fan Starting Control in Cooling or Dry Keep Mode Applicable units Purpose Method Starting fan speed RR RQ71 125B The purpose is to avoid that the discharge pressure would start to rise and stop the unit When the compressor starts the fan keeps running for 3 min at starting fan speed The starting fan speed depends on the ambient temperature The different fan speeds for the a
115. l of 4 way valve 35 Thermistor 75 Insulation tube gas 36 Thermistor 76 HPS cable 37 Capacitor fixing band 77 Solenoid valve coil 38 Comp motor capacitor 78 Thermal insulation tube 39 Wire clip 79 Thermal insulation tube 40 Wire clip Part 5 Disassembly and Maintenance 5 11 Disassembly and Maintenance Outdoor Units ESIE05 01 1 6 RQ100B7V3B RQ100B7W1B Exploded view The illustration below shows the exploded view 3 o g 7 a u b arm E 8 hs EL COMPO BOX RQ100B7W1B EL COMPO BOX RQ100B7V3B ES f pasa 0 LN DD KR Y RE M SA ES Pb 8 Bo ri EN Y oo zi se N o EU ig ete eee Oz o o fe of yor N 7 Y AA a Ti y 7 SO A TE X lies AA o ice LO A N RQ100B7V3B RQ100B7W1B 5 12 Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The table below contains the components of the exploded view No Component No Component 1 Compressor 41 Terminal strip 2 Rubber cushion pre assy 42 Terminal strip 3 Sound insulation for comp 1 43 Terminal strip for CT 4 Bolt for co
116. lay K1M T A Current transformer K2R Magnetic relay Y1S TC Signal transmission circuit K3R Magnetic relay E1HC X1M X2M Terminal strip K4R Magnetic relay Y2S Y1E Expansion valve Electronic K5R K6R K7R Magnetic relay M1F Y1S 4 way valve M1C Motor compressor Y2S Solenoid valve M1F Motor fan CT Current transformer 1 40 Part 1 System Outline ESIE05 01 Wiring Diagrams Outdoor Units 5 7 RQ125B7W1B Wiring diagram The illustration below shows the wiring diagram of the unit i s 125 CLASS iy S1PL s XIM Li 11213 de RIT R2T RIT wit y LN POWER SUPPLY EN q gt F A 9 I outdoor 3N 50Hz Un boo va Es da 6 400V ken XA Fw XA X5A XGA X10A SWITCH BOX g E on 28 OUTDOOR a or orr alain j C laste e re PHL 0 Bs1 E e i XIA NLL Fom Le P a FEE X12A Fo ESE t KIM ne N XIA mn KTR KER K5R __KIOR KOR KBR K2R KAR
117. le below contains the components of the exploded view No Component No Component 1 Compressor 41 Crank case heater 2 Rubber cushion pre assy 42 Terminal strip 3 Sound insulation for comp 1 43 Terminal strip 4 Bolt for compressor 44 Terminal strip for CT 5 Nut with washer 45 Cup washer 6 Plate finned coil heat exch as 46 Thermistor clamp 7 Liquid receiver assy 47 Fan propellor 8 Flare nut 5 8 48 Washer 9 Stop valve cap 49 Top plate assy 10 Service port 50 Front plate assy 11 Valve core 51 Front plate 2 assy 12 Shraeder round dustcap 52 Side plate assy 13 Low pressure switch 53 Part plate assy 14 Gas stop valve assy 54 Fan motor stand left 15 Four way valve body 55 Fan motor stand right 16 Filter 56 Fan motor stand 17 Muffler 57 Fan motor stand up 18 High pressure switch 58 Cover 19 Check valve assy 59 Piping cover rear 20 Check valve 60 Stop valve mounting plate 21 Motor operated valve body 61 Bell mouth assy 22 Solenoid valve body 62 Suction grill 23 T joint TSS2 2 2 63 Air discharge grill 24 Liquid stop valve assy 64 Handle 25 FI233 Filter 65 Bottom frame assy 26 Strainer 66 Installation leg painted 27 T joint 67 Bottom tray assy 28 El compo mounting assy 68 Cushion top 29 PCB Assy 69 Packing case p m 30 Resin cover assy 70 Thermistor fixing plate 31 Magnetic switch 71 Single phase AC fan motor 32 Fan motor capacitor 72 Thermistor mounting spring 33 Motor operated valve coil 73 Thermistor mounting spring 34 Thermistor 74 Coi
118. leshooting ESIE05 01 5 5 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 Wiring Diagrams Outdoor Units Functions of Thermistors on page 4 The table below contains an overview of the thermistors Thermistor Description Indoor R1T Suction air thermistor R2T Heat exchanger thermistor coil thermistor Outdoor R1T Ambient air thermistor R2T Heat exchanger thermistor coil thermistor R3T Discharge 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 76 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting 5 6 R1T and R2T Temperature The table below is the thermistor R1T and R2T temperature resistance conversion table resistance Temp R1T R2T Temp R1T R2T Temp R1T R2T C kQ kQ C ko ko C kQ ko 20 197 81 192 08 20 25 01 24 45 60 4 96 4 87 19 186 53 181 16 21 23 91 23 37 61 4 79 4 70 18 175 97 170 94 22 22 85 22 35 62 4 62 4 54 17
119. lses for a certain amount of time and is then closed gradually to 100 pulses Only when the discharge pipe temperature is high during defrost the motorized valve opens at intervals 3 Motorized valve control The motorized valve is controlled to an optimum opening after defrost operation and the most suitable operating speed according to the operating conditions after defrost activation Part 2 Functional Description 2 39 Overview of the heating mode functions ESIE05 01 Note Control and time Description 4 Outdoor unit fan The fan operates at optimum fan tap according to the oper after defrost operation ating conditions after defrost activation 5 Hot start after defrost The unit remains in the hot start standby indoor unit fan Defrost ending Hot start after OFF mode for 40 s after defrost ending or Until the indoor heat exchanger temperature increases The defrost operation ends After 10 min or As soon as one of the following conditions is met after 1 min or more Outdoor heat exchanger temp gt 10 C Discharge pipe temp gt 110 C The hot start function is activated getrosting 40 s after the defrosting ending or When Tc gt 34 C indoor heat exchanger temperature Used input The defrost control uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Outdoor thermistor RIT Out
120. mensions HOLE FOR ANCHOR y aat wi a BOLT 4 M12 Er gt r aoma LiL oF El ET o LIL Lia d EE DI CAT al El ame E il al 70 A A Installation and See page 1 10 service space 1 8 Part 1 System Outline ESIE05 01 General Outline Outdoor Units Components The table below contains the different components of the unit No Component Gas pipe connection Liquid pipe connection Service port inside the unit for RQ125 only Grounding terminal M5 inside the switch box Refrigerant piping intake Power supply wiring intake Control wiring intake INI oIa BR OJN Drain outlet Part 1 System Outline General Outline Outdoor Units ESIE05 01 1 5 RR71 RR100 RR125 RQ71 RQ100 and RQ125 Installation and Service Space Non stacked The illustrations and table below show the required installation and service space mm The values in brackets are for the 100 and 125 class 4 Suction side obstacle y Discharge side obstacle Left side obstacle Right side obstacle SY Top side obstacle Y Obstacle is present
121. mistor is malfunctioning out of its normal range simulated operation is carried out while malfunction is displayed on the remote controller If the air or heat exchanger thermistor becomes normal again the simulated operation function is interrupted and the normal operation restarts The malfunctioning error disappears Used input The simulated operation function uses the following inputs Input Connection on Connection on p indoor PCB outdoor PCB Outdoor air thermistor R1T X4A Outdoor heat exchanger thermistor R2T X5A Indoor air thermistor R1T X19A Indoor heat exchanger thermistor R2T X18A Discharge pipe thermistor R3T X6A Parameters Check sensor value every 500 msec s Abnormal values are sensor values out of below range Sensor Lower than Higher than Indoor coil and air sensor 23 C 120 C Outdoor coil and air sensor 40 C 127 C Discharge pipe sensor 12 C 165 C 20 sec s abnormal Lo Sensor normal malfunction confirmation f remote controller error indication 2 16 Part 2 Functional Description ESIE05 01 General Functionality 1 10 Discharge Pipe Temperature Control Applicable units RR RQ71 125B Purpose The purpose of the discharge pipe temperature control is to prevent a discharge pipe temperature that is too high or too low Low temp The table below contains the low temperature conditions to start the discharge pipe temperature starting conditions control F3 error oc
122. mpressor 44 Cup washer 5 Nut with washer 45 Thermistor clamp 6 Plate finned coil heat exch as 46 Fan propellor 7 Liquid receiver assy 47 Washer 8 Flare nut 5 8 48 Top plate assy 9 Stop valve cap 49 Front plate assy 10 Service port 50 Front plate 2 assy 11 Valve core 51 Side plate assy 12 Shraeder round dustcap 52 Part plate assy 13 Low pressure switch 53 Fan motor stand left 14 Gas stop valve assy 54 Fan motor stand right 15 4 way valve body 55 Fan motor stand 16 Filter 56 Fan motor stand up 17 Muffler 57 Cover 18 High pressure switch 58 Piping cover rear 19 Check valve assy 59 Stop valve mounting plate 20 Check valve 60 Bell mouth assy 21 Motor operated valve body 61 Suction grill 22 Solenoid valve body 62 Air discharge grill 23 Liquid stop valve assy 63 Handle 24 FI233 Filter 64 Bottom frame assy 25 Strainer 65 Installation leg painted 26 T joint 66 Bottom tray assy 27 El compo mounting assy 67 Cushion top 28 PCB assy 68 Packing case p m 29 Resin cover assy 69 Thermistor fixing plate 30 Magnetic switch 70 Single phase AC fan motor 31 Fan motor capacitor 71 Thermistor mounting spring 32 Motor operated valve coil 72 Thermistor mounting spring 33 Thermistor 73 Coil of 4 way valve 34 Thermistor 74 Insulation tube gas 35 Thermistor 75 Thermal insulation tube 36 Capacitor fixing band 76 Thermal insulation tube 37 Comp motor capacitor 77 Thermal insulation tube 38 Wire clip 78 HPS cable 39 Wire clip 79 Solenoid valve coil 40 Crank
123. n and fan The propeller fan creates air displacement across the heat exhanger motor 13a One way valve The one way valve is used to force the refrigerant liquid to flow through the receiver and the expansion valve in the same direction both in cooling and heating 13b One way valve The one way valve is used to release overpressure in the liquid receiver during stand still 14 4 way valve The 4 way valve is used to select refrigerant flow in cooling or heating mode reversing solenoid When the 4 way valve switches from ON to OFF a timer starts counting up to 150 as soon as the valve cooling or defrosting operation is stopped This delay time is to eliminate the switching sound 15 Solenoid valve SV Solenoid valve Purge liquid receiver 16 Thermistor R1T Air thermistor R2T Coil thermistor R3T Discharge pipe thermistor 17 Strainer 18 Muffler The muffler is mounted in the discharge line to absorb discharge pulsations from the compressor It s also used to fit the discharge pipe thermistor Part 1 System Outline ESIE05 01 1 30 Part 1 System Outline ESIE05 01 Switch Box Layout 4 Switch Box Layout 4 1 What Is in This Chapter Introduction This chapter shows the switch box components Outdoor units This chapter contains the following switch box layouts Switch box layout See page 4 2 RR RQ71 100B7V3B 1 32 4 3 RR RQ71 100B7W1B 1 33 4 4 RR RQ125B7W1B 1 34 Part 1
124. n outside control central remote controller controls an indoor unit sometimes the indoor A b unit does not respond to ON OFF and temperature settings commands from this controller Remote controller Indoor unit Setting Remote controller Control of other air condi Noiother contro 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 01 Field settings 2 Field settings 2 1 What Is in This Chapter Introduction This chapter contains the following information How to change the field settings The field settings 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 of the Indoor Units 4 13 2 5 Overview of the Factory Settings of the Indoor Units 4 14 2 6 MAIN SUB Setting when Using Two Remote Controllers 4 15 2 7 Setting the Centralized Group No 4 16 2 8 Field settings when using a spare part PCB of Sky Air B series
125. n speed H fan speed OFF Indoor unit fan H fan speed H fan speed H fan speed Drain pump ON OFF ON Additional info To avoid misunderstandings take the following into account If the PCB or the motorized valve is malfunctioning emergency operation cannot be carried out No signal is transmitted between the indoor and outdoor units and remocon 88 is displayed on the remote controller If a safety device should be activated during emergency operation all actuators are turned OFF Heat cannot be set for c o air conditioners Emergency operation uses and switches ON both indoor and outdoor control PCBs The outdoor control PCB determines the changeover In heating defrosting is activated once every hour Part 2 Functional Description 2 9 General Functionality ESIE05 01 1 5 Outdoor Unit Identification Function Applicable units The outdoor unit identification function is applicable for the following units Model type Model name Cassette FFQ FCQ FUQ Ceiling FHQ Wall FAQ Duct FBQ FDQ 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 outdoor unit type c o or h p Operating modes The possible operating modes are Outdoor unit Operating modes h p Fan Cooling Dry keep Heating c o Fan Cooling D
126. nennen rene nenennee rennen 5 6 1 4 RR125B7W Bi haite tie ede a a a ea 5 8 1 5 RQ71B7V3B RQ71B7W1B nnen nenneerenneeneneeerenneeerennenrenneerenn 5 10 1 6 RQ100B7V3B RQ100B7W1B ooconocccccoccnccoononononcnnonnnnnononcnnnnncnonnnnncinnnnnns 5 12 1 7 RGT25B7W IB censal 5 14 Table of Contents vii ESIE05 01 viii Table of Contents ESIE05 01 Introduction 1 Introduction 1 1 About This Manual Target group This service manual is intended for and should only be used by qualified engineers Purpose of this This service manual contains all the information you need to do the necessary repair and maintenance manual tasks for the Sky Air R410A B series room air conditioners Five parts 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 Introduction The introduction contains the following topics overview Topic See page 1 2 Combination Overview Outdoor Units of the Sky Air B Series x 1 3 Precautions on handling new refrigerants xii Note This Service Manual is about Outdoor Models only Please refer to the indoor unit Service Manual ESIE05 04 for details on the indoor units ESIE05 01 Introduction Combination Overview Outdoor Units of the Sk
127. ng plate 19 Check valve assy 58 Bell mouth assy 20 Check valve 59 Suction grill 21 Motor operated valve body 60 Air discharge grill 22 Solenoid valve body 61 Handle 23 Liquid stop valve assy 62 Bottom frame assy 24 FI233 Filter 63 Installation leg painted 25 Strainer 64 Bottom tray assy 26 T joint 65 Cushion top 27 El compo mounting assy 66 Packing case p m 28 PCB assy 67 Thermistor fixing plate 29 Resin cover assy 68 Single phase AC fan motor 30 Magnetic switch 69 Single phase AC fan motor 31 Fan motor capacitor 70 Thermistor mounting spring 32 Motor operated valve coil 71 Thermistor mounting spring 33 Thermistor 72 Coil of 4 way valve 34 Thermistor 73 Insulation tube gas 35 Thermistor 74 Thermal insulation tube 36 Wire clip 75 Thermal insulation tube 37 Wire clip 76 Thermal insulation tube 38 Crank case heater 77 HPS cable 39 Terminal strip 78 Solenoid valve coil Part 5 Disassembly and Maintenance 5 15 Disassembly and Maintenance Outdoor Units ESIE05 01 5 16 Part 5 Disassembly and Maintenance ESIE05 01 Index Numerics AWAY valvereontrols rn naer en erniet ede den DA ADA ren ai ea 2 41 AN 3 26 a ah vita a Gn ae See Wee as Cate ee Reena eet ae 3 27 EE NS 3 29 A A O Seat at ane areata Aaa aga aaa Ee ese A 3 31 A A Dio eere dee 3 32 auto restart function s s s een eee nets 2 22 Gs ARMA ANA AAA 3 34 Ce ann A nde laste a veen A Ghote thwarts BA a td tende 3 34
128. nneeennvennerenvenn 2 16 1 10 Discharge Pipe Temperature Control nennen eenneneneeenne eenn 2 17 1 11 Gas Shortage Function ooconcconnccnnccconcnnnnnnnnnnrarnnnnn nono se an cnc creen 2 18 1 12 Drain PUMP CONTON lona 2 19 1 13 Fan and Flap Operations nnen venneneneeeenerenenenneernneenneneneeeen 2 21 1 14 Auto Restart Function neemen a aaar aE Ea GEEAE 2 22 1 15 Using Conditions for Remote Controller Thermostat 2 23 1 16 Overcurrent Protection Function nnen ennen eenneneneneneeenenenneenenn 2 24 1 17 Expansion Valve Control eeneneneneneeeeneneneeenereneeene ven 2 25 2 Overview of the cooling mode functions 2 1 What Is in This Chapter nnen aaa a aea a aaoi a E Eaa 2 27 2 2 Dry Keep Moda cocoa tii 2 28 2 3 Freeze Up Function 2 29 2 4 Outdoor Fan Starting Control in Cooling or Dry Keep Mode 2 30 25 Normal Outdoor Fan Control in Cooling Operation nnen 2 33 2 6 High Pressure Protection Control in Cooling Operation 2 35 3 Overview of the heating mode functions 3 1 What Is in This Chapter nennen enenennvenneeenneenneneneneneneneernne 2 37 3 2 Defrost CONTO Na m narei edn devant enden eenen nde eta acted 2 38 3 3 4 way Valve Gontfol nror antennen aaa aces 2 41 3 4 Starting Outdoor Fan Control in Heating Mode nnen 2 42 3 5 Normal Outdoor Fan Control in Heating Mode nennen 2 44 Table of Contents ESIE05 01 Part 3 Troubleshooting 1 Troubleshooting
129. normal operating noise and vibrations Equipment does not operate operation light OFF Poor cooling or heating Operation stops suddenly operation light flashes Abnormal functioning To troubleshoot check the following Make sure the rated voltage is supplied Make sure the indoor unit type is compatible with the outdoor unit Troubleshoot with the indoor unit LEDs See page 3 16 Troubleshoot with the remote control outdoor malfunctions See page 3 17 Make sure the address for the remote controller and indoor unit are set correctly See page 4 5 To troubleshoot check the following A power failure of 2 to 10 sine wave cycles can stop air conditioner operation Troubleshoot with the indoor unit LEDs See page 3 16 To troubleshoot check the following Make sure the indoor unit type is compatible with the outdoor unit Troubleshoot with the indoor unit LEDs See page 3 16 Troubleshoot with the remote control outdoor malfunctions See page 3 17 To troubleshoot check the following Make sure the thermistor is not disconnected from the pipe holder Troubleshoot with the indoor unit LEDs See page 3 16 Troubleshoot with the remote control outdoor malfunctions See page 3 17 Check for gas shortage See page 3 62 Part 3 Troubleshooting ESIE05 01 Troubleshooting Abnormal operating noise and vibrations Equipment does not operate operation light OFF Poor cooling or he
130. ns the following topics Topic See page 4 2 Gas Shortage Detection UO 3 62 4 3 Reverse Phase U1 3 63 4 4 Transmission Error between Indoor and Outdoor Unit U4 or UF 3 65 4 5 Transmission Error between Indoor Unit and Remote Controller U5 3 67 4 6 Transmission Error between MAIN Remote Controller and SUB Remote 3 68 Controller U8 4 7 Malfunctioning Field Setting Switch UA 3 69 Part 3 Troubleshooting 3 61 Error Codes System Malfunctions ESIE05 01 4 2 Gas Shortage Detection UO Error code Error method Error generation Causes Troubleshooting Caution The discharge pipe thermistor detects the malfunction temperature at which there can be a gas shortage If the discharge temperature exceeds 120 C during more than 20 s the outdoor unit will stop and retry when the guard timer is OFF 3 min have passed During the retrial the expansion valve will be opened 90 pulses more than in case of the previous start When the unit restarts with a fully opened expansion valve the remote controller displays UO after pressing the test button The error is generated when the microcomputer detects gas shortage However the unit can still operate The possible causes are Refrigerant shortage Clogging of the refrigerant piping circuit To troubleshoot proceed as follows Check the amount of refrigerant Fill with the proper No gt amount of refrigerant Yes
131. ntents are provided based on field checking of service engineer 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 indoor unit filter 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 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 o
132. oceed as follows Step Action 1 Turn OFF the power 2 Remove the sealing pad on the top of the receiver Sealing a Small opening Receiver P 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 Unit No Not WZ f mos N N 7 Be If you use a wired and a wireless remote controller for one indoor unit proceed as follows 1 Set the wired remote controller to MAIN On the remote controller 2 Set the wireless remote controller to SUB On the receiver with the MAIN SUB switch SS1 MANSUB S S M M Seal off the opening of the address switch and the MAIN SUB switch with the attached sealing pad Sealing pad Sar Small opening a Receiver ee Make sure to also change the address on the remote controller Part 4 Commissioning and Test Run 4 5 Pre Test Run Checks ESIE05 01 Setting the address for the wireless remote controller The address for the wireless remote controller is factory set to 1 To change this setting proceed as follows Step Action 1 Hold down the FILTER RESET button and the TEST button for at least 4 s to go to field set m
133. ode The display indicates the field set mode OONsOFF MO TIME SETTING yp AvA FAN RESERVE CANCEL i A 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 mo TIME SETTING UP DOWN elo FAN FAN RESERVE CANCEL Part 4 Commissioning and Test Run ESIE05 01 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 ON OFF On NC TIME UP DOWN SETTING Up DOWN es FAN RESERVE CANCEL Tr mu 4 Press the RESERVE button to confirm the setting ON OFF A MO TIME SETTING U P DOWN es FAN CANCEL e ESA RESERVE Part 4 Commissioning and Test Run 4 7 Pre Test Run Checks ESIE05 01 Step Action 5 Press the TEST button to quit the field set mode and return to the normal display ON OFF TIME C UP a ca DOWN FAN RESERVE CANCEL TEST Multiple settings When a
134. ol icon 27 Ventilation amount button 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 Set temperature display 37 Air filter cleaning time icon reset 19 Setting 4 10 Part 4 Commissioning and Test Run ESIE05 01 Field settings Setting To set the field settings you have to change Mode No First code No 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 2 Press the TEMPERATURE CONTROL button until the desired Mode No appears 3 If the 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 If 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 th
135. only units X31A TIA Current transformer X32A X1M Terminal strip X40A Connector for service checker Part 1 System Outline 1 45 PCB Layout ESIE05 01 6 3 RR RQ71 125B7W1B EC0414 PCB The illustration below shows the PCB connectors X40A X8A X24A X9A X10A X15A X26A X6A X5A X14A X4A X31A X12A X11A X27A X22A X25A X32A 1 46 Part 1 System Outline ESIE05 01 PCB Layout Connectors The table below describes the PCB connectors Connector Connected to Description X4A RIT Thermistor air X5A R2T Thermistor coil X6A R3T Thermistor discharge pipe X8A K1M Magnetic contactor M1C X9A S1PH Pressure switch high X10A S1PL Pressure switch low X11A Q1M Thermo switch M1F X12A Q2M Thermo switch M2F only for 125 class X14A M1F Fan motor 1 X15A M2F Fan motor 2 only for 125 class X22A Y2S Solenoid valve X24A Y1E Electronic expansion valves X25A E1HC Crankcase heater X26A Connector for capacity setting adaptor X27A Y1S 4 way valve Not used for cooling only units X31A T A Current transformer X32A X1M Terminal strip X40A Connector for service checker Part 1 System Outline 1 47 PCB Layout ESIE05 01 1 48 Part 1 System Outline ESIE05 01 Part 2 Functional Description 2 What is in this part This part contains the following chapters
136. ooting 3 27 Error Codes Indoor Units ESIE05 01 Troubleshooting To troubleshoot proceed as follows Is the Is the short Is the unit a optional drain circuit connector Connect the cassette or built in No raising mechanism No PQ connected to X15A on the No p Short circuit type connected indoor unit connector PCB Yes Yes Y Yes Check the continuity of the short circuit connector Yes Isa drain pump Connect the connected to the Nop Connect the enne No p Short circuit indoor unit drain pump 3 connector PCB Yes Yes Replace the indoor unit PCB Set to the drain pump emergency and work after restarting No check the voltage operation of X25A Yes Is the drain water float switch Connect 220 240 Replace indoor level abnormally No connected to No oat switch VAC No Unit PCB high X15A Yes Yes Mi There is a malfunction Remove the float switch from Re SMe place the of the drain system X15A short circuit X15A and drain pump restart operation Does A3 appear on the remote No gt gt 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
137. or Check the capacitor of the fan motor Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Part 3 Troubleshooting 3 39 Error Codes Outdoor Units ESIE05 01 The fan does not To troubleshoot proceed as follows rotate The fan does not rotate Y Check outdoor unit type Is the unit a The unit is a 71 or 100 class No gt 125 class Yes Disconnect Disconnect connectors connector X14 on X14A and X15A outdoor unit PCB on outdoor unit PCB y Try to rotate the fan with your hand Can you 1 Remove obstacles so the fan rotate the fan No gt rotates correctly or replace the fan smoothly 2 Reconnect connector Yes Check capacitor ee 1 Repl th it capacitor in good gt CP AGE ME capacilor ado No 2 Reconnect connector Yes 1 Check motor windings 2 Reconnect connector Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 40 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units The fan is turning To troubleshoot proceed as follows clockwise The fan is turning clockwise Check condensator connection Refer to fan motor condensator connection
138. or refrigerant charge listed below to charge directly from refrigerant cylinder Differences The cylinder can not be used for mixed refrigerant since mixing ratio is changed during charging When R410A is charged in liquid state using charging cylinder foaming phenomenon is generated inside charging cylinder Specifications High accuracy TA101A for 10 kg cylinder 2g TA101B for 20 kg cylinder 5g Equipped with pressure resistant sight glass to check liquid refrigerant charging A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences Measurement is based on weight to prevent change of mixing ratio during charging Specifications For R410A 1 4 gt 5 16 2min gt 2 5min Material is changed from CR to H NBR Differences Change of thread specification on hose connection side For the R410A use Change of sealer material for the HFCs use XX ESIE05 01 Part 1 System Outline What is in this part This part contains the following chapters i Chapter See page 1 General Outline Outdoor Units 1 3 2 Specifications 1 13 3 Functional Diagrams 1 19 4 Switch Box Layout 1 31 5 Wiring Diagrams Outdoor Units 1 35 6 PCB Layout 1 43 Part 1 System Outline 1 1 ESIE05 01 Part 1 System Outline ESIE05 01 General Outline Outdoor Units 1 General Outline Outdoor Units 1 1 W
139. ote controller Part 3 Troubleshooting Troubleshooting ESIE05 01 1 3 ON OFF Operation in Case of Wireless Remote Controller When the wireless remote controller is not available or its battery is dead you can use the ON OFF button on the front panel of the indoor unit To start the automatic mode press the ON OFF button To stop the automatic mode press the button again 3 6 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 4 Checking with the Wired Remote Controller Checking with the If the operation stops due to a malfunction the remote controllers operation LED flashes and the wired remote controller displays the error code The error code helps you to troubleshoot See page 3 16 3 17 and controller 3 18 Part 3 Troubleshooting 3 7 Troubleshooting ESIE05 01 1 5 Procedure of Self Diagnosis by Remote Controller The Inspection Test By turning the remote controller s inspection test button ON you can change the mode as shown in Button explanation the figure below Depress Inspection Test Operation button for more than 4 seconds Indoor unit settings can be made Service data can be obtained Filter sign time rae Malfunciton code history Air flow direction Local Service Temperature data of various sections Others setting mode E l mode Service settings can be made Forced fan ON Air flow direction volume setting Depress Inspection Test Operation Pres
140. oting ESIE05 01 Error Codes Outdoor Units 3 6 Compressor Overcurrent E6 Remote Controller Display Method of Malfunction Detection Malfunction Decision Conditions Possible Causes The input current value is detected with a current sensor When the compressor input current exceeds the specified input current value Refer Approximate Input current value on next page High pressure increased too high Voltage drop Stop valves are not opened Faulty compressor compressor lock Part 3 Troubleshooting 3 47 Error Codes Outdoor Units ESIE05 01 Troubleshooting Caution Note Check for the installation conditions Is the stop valve open Open the stop valve See Evaluation of abnormal high pressure on page 3 79 High pressure is too high YES Correct the high pressure Check for the power supply voltage The voltage has dropped Correct the power supply Spare PC board is installed using an adapter not suitable for the applicable model See Note below Connect an adapter suitable forthe applicable model Check for the compressor Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur For details refer to information in Section Failure of PJ Capacity Setting Approximat
141. ounding terminal M5 inside the switch box Refrigerant piping intake Power supply wiring intake Control wiring intake INI oIa BR OJN Drain outlet Part 1 System Outline General Outline Outdoor Units ESIEO5 01 1 3 RR100 and RQ100 Outlook Dimensions and Components Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions lan fet a HOLE FOR ANCHOR BOLT 4 M12 Installation and See page 1 10 service space 1 6 Part 1 System Outline ESIE05 01 General Outline Outdoor Units Components The table below contains the different components of the unit No Component Gas pipe connection Liquid pipe connection Service port inside the unit for RQ100 only Grounding terminal M5 inside the switch box Refrigerant piping intake Power supply wiring intake Control wiring intake INI oIa BR OJN Drain outlet Part 1 System Outline General Outline Outdoor Units ESIE05 01 1 4 RR125 and RQ125 Outlook Dimensions and Components Outlook and The illustration below shows the outlook and the dimensions of the unit mm di
142. ows Check discharge pipe thermistor R3T Is the discharge pipe thermistor R3T No gt Check for gas leaks disconnected from the using a leak tester holder Yes Replace the refrigerant 3 72 Part 3 Troubleshooting ESIE05 01 Additional Checks for Troubleshooting 5 3 Checking the Installation Condition Checking To check the installation condition proceed as follows Check the space for all air passage around the suction and discharge areas Is the minimum space respected Change the installation location No gt Yes Does the discharged air from other outdoor units cause an increase of the suction temperature Is the heat exchanger clean N Clean the o gt heat exchanger Yes y Change the Is there enough No installation Change the air flow gt location installation location or direction Check the outdoor ambient temperature R1T This temperature must be lower than 43 C Part 3 Troubleshooting 3 73 Additional Checks for Troubleshooting ESIE05 01 5 4 Checking the Expansion Valve Checking To check the electronic expansion valve proceed as follows Step Action 1 Check if the expansion valve connector is correctly
143. ox je e RQ71B7W1B power RR100B7V3B No reverse phase protector RQ100B7V3B RR100B7W1B RQ100B7W1B PRC Switch box gehn RR125B7W1B power RQ125B7W1B Part 3 Troubleshooting 3 21 Troubleshooting ESIE05 01 1 15 Outdoor Safety Device High Pressure Switch High pressure The table below describes the high pressure switch switch Applicable Wiring Location Settings Type outdoor unit symbol safety Abnormal Res t Reset RR71B7V3B RQ71B7V3B RR71B7W1B RQ71B7W1B RR100B7V3B S1PH Discharge gt 41 5 Bar lt 32 Bar RQ100B7V3B pipe RR100B7W1B RQ100B7W1B RR125B7W1B RQ125B7W1B Automatic 3 22 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 16 Outdoor Safety Device Low Pressure Switch Low pressure The table below describes the low pressure switch switch Applicable Wiring Location Settings Type outdoor unit symbol safety Abnormal Reset Reset RR71B7V3B RQ71B7V3B RR71B7W1B RQ71B7W1B Low pres RR100B7V3B sure switch S1LP located in lt 0 3 bar gt 0 5 bar Automatic RQ1 00B7V3B suction RR100B7W1B pipe RQ100B7W1B RR125B7W1B RQ125B7W1B Part 3 Troubleshooting 3 23 Troubleshooting ESIE05 01 3 24 Part 3 Troubleshooting ESIE05 01 Error Codes Indoor Units 2 Error Codes Indoor Unit
144. pe flare Liquid pipe flare RQ71B7V3B RQ71B7W1B RQ100B7V3B RQ100B7W1B RQ125B7W1B 15 9 mm 9 5 mm Part 1 System Outline 1 25 Functional Diagrams ESIE05 01 Twin system The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RQ71B7V3B RQ71B7W1B RQ100B7V3B Liquid RQ100B7W1B or Gas RQ125B7W1B Pipe connection The table below contains the refrigerant pipe connection diameters O D diameters Model Gas pipe flare Liquid pipe flare RQ71B7V3B 15 9 mm 9 5mm RQ71B7W1B RQ100B7V3B RQ100B7W1B RQ125B7W1B 1 26 Part 1 System Outline ESIE05 01 Functional Diagrams Triple system The illustration below shows the functional diagram of the refrigeration circuit Outdoor unit RQ100B7V3B RQ100B7W1B j or i RQ125B7W1B ee Pipe connection The table below contains the refrigerant pipe connection diameters O D diameters Model Y Gas pipe flare Liquid pipe flare RQ100B7V3B 15 9 mm 9 5 mm RQ100B7W1B RQ125B7W1B Part 1 System Outline 1 27 Functional Diagrams ESIE05 01 1 28 Part 1 System Outline ESIE05 01 3 4 Piping Components Components The table below contains the different components of the functional diagrams
145. r coil is abnormally high Refer to High temperature of fan motor coil No gt Replace the outdoor PC Board Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may Occur 3 38 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units High temperature of fan motor coil Caution To troubleshoot proceed as follows The temperature of the fan motor coil is abnormally high Is the fan Check the fan rotation when facing the front of the unit Yes rotating No gt Fan standstill Refer to the fan does not rotate Is the fan turning counter clockwise No gt The fan is turning clockwise Refer to the fan is turning clockwise Yes Is there air short cycling in the unit No gt Replace fan motor Y Check minimum operating space around the unit Is there enough operating space No gt Provide enough operating space Yes Vv Check air flow rate Refer to technical specifications page 1 13 Is air flow ok No gt Check fan motor speed Yes Possible external cause Is the fan motor speed lt 850 rpm No gt Faulty motor windings Replace mot
146. rain Water Level System nennen enn A3 3 27 2 4 Indoor Unit Fan Motor Loek neen nenneneeeneneeeneneen A6 3 29 2 5 Malfunctioning Drain System nnn ennneenneennenennenene nennen AF 3 31 2 6 Malfunctioning Capacity Setting nnen nennen eenn AJ 3 32 2 7 Thermistor Abnormality oooooconoccnnnncccnnonncononnnonarnncnnrnn cnn crono noo C4 or C9 3 34 2 8 Malfunctioning Remote Controller Air Thermistor enn CJ 3 36 3 Error Codes Outdoor Units 3 1 What ls in This Chapter snie 3 37 3 2 Activation of Safety Device nnen nennen een eenneeeneeeenenn EO 3 38 3 3 Failure of Outdoor Unit PC Board nennen vennen E1 3 42 3 4 Abnormal High Pressure Detected by the HPS nne E3 3 43 3 5 Abnormal Low Pressure Detected by the LPS ne E4 3 45 3 6 Compressor Overcurrent nnen eenneneneeeenenennvenneennneeenenenenn E6 3 47 3 7 Malfunctioning Electronic Expansion Valve seee E9 3 49 3 8 Malfunctioning in Discharge Pipe Temperature neen F3 3 51 3 9 Malfunctioning HPS nennen nenneeeneeenneerneeennenenerenvennenenn H3 3 53 3 10 Malfunctioning Outdoor Thermistor System nnee H9 3 54 3 11 Malfunctioning Discharge Pipe Thermistor System J3 3 55 3 12 Malfunctioning Heat Exchanger Thermistor System cc J6 3 56 3 13 Malfunction of Current Sensor System nnen eneen eenen J2 3 57 3 14 Failure of Capacity Setting ennen vennen eennenenenenneennenenn PJ 3 59
147. rammable 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 To troubleshoot proceed as follows Switch the power off and on again to restart Replace N al reset En No indoor PCB Yes The malfunction may be caused by an external factor rather than damaged parts Locate the cause and correct the situation Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 26 Part 3 Troubleshooting ESIE05 01 Error Codes Indoor Units 2 3 Malfunctioning Drain Water Level System R3 Error code A3 LED indications The table below shows the LED indications Operation HAP green HBP green Normal Cs 3 Malfunctioning 3 3 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 Troublesh
148. rating mode can be used to go to cooling or heat ing In forced operating mode the compressor is forced to operate until the malfunctioning indoor or outdoor PCB is back online Before switching Before moving the switches to emergency operation make sure to turn OFF the power firstly During emergency operation do not attempt to operate the equipment from the remote controller The remote controller displays 88 while the emergency operation is active on the indoor unit Switching To switch to forced operating mode proceed as follows Step Action 1 Turn OFF the power 2 Switch ON the emergency switch SS1 on the indoor PCB ame neel SS1 emergency 3 Switch ON the emergency switch on DS1 on the outdoor PCB Switch 2 is not applicable for the c o units Part 2 Functional Description General Functionality ESIE05 01 Before switching back Starting conditions Ending conditions Step Action 4 Switch the emergency switch on DS1 on the outdoor PCB to the forced mode you prefer Switch 2 is not applicable for the c o units 5 Turn ON the power Before moving the switches back to normal operating mode make sure to turn OFF the power firstly You can operate the system manually by changing the emergency switch on the indoor and outdoor PCB from normal to emergency However when in emergency operation the equipment cannot
149. rge temperature Refrigeration dby _ A gt shortage caused by insufficient suction gt gas to compressor incorrect gt operation of expansion valve electrical fault coil caused by py Mechanical fault body discharge thermistor inaccuracy Part 3 Troubleshooting 3 51 Error Codes Outdoor Units ESIE05 01 Troubleshooting To troubleshoot proceed as follows Check the amount of refrigerant Fill with the proper amount of refrigerant Yes y Check the discharge pipe thermistor Check if the operating conditions of the in and outdoor unit are within the range check the refrigerant piping circuit for clogging No gt check the accuracy of the discharge pipe thermistor refer to the thermistor curve check correct operation of the expansion valve and the flow through non return valves Has the thermistor come off the discharge pipe port Yes a Place the thermistor correctly in the discharge pipe port Thermistor curve See page 3 78 Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 3 52 Part 3 Troubleshooting ESIE05 01 Error Codes Outdoor Units 3 9 Malfunctioning HPS H3 Error code H3 Error generation The error is generated when there is no continuity in the high press
150. rom breaking down LPS Low Pressure Switch If the pressure at the suction side of the compressor becomes abnormally low the LPS stops the unit automatically in order to prevent it from breaking down Method The table below describes what happens in case of HPS or LPS activation If the is activated Then Remark HPS The compressor stops and If this is activated an additional 6 times stands by for 3 min from the first detection and before it is turned OFF by the remote controller LPS The compressor stops and the operation stops due to malfunction stands by for 3 min 20 sec s are added after each restart However depending on the operating conditions the com pressor may not turn OFF LPS marking Used input The HPS and LPS detection function uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB High pressure switch X9A Low pressure switch X10A Part 2 Functional Description 2 15 General Functionality ESIE05 01 1 9 Simulated Operation Function Applicable units RR RQ71 125B Purpose The purpose of the simulated operation function is to avoid the unit from stopping if the heat exchanger thermistor or air thermistor is malfunctioning Method If the air thermistor for all models listed or the heat exchanger ther
151. ror processing Normal 2 20 Part 2 Functional Description ESIE05 01 General Functionality 1 13 Fan and Flap Operations Heating operation The table below contains the fan and flap operations Remote controller Function In Fan Flap FCQ and FHQ Flap FAQ indication Hot start after defrost Swing operation OFF Horizontal Horizontal Swing Airflow direction Set position setting Defrost Swing operation Swing Airflow direction Set position setting Thermostat OFF Swing operation LL Swing Airflow direction Set position setting Hot start after thermo Swing operation Swing stat OFF cold air pre Airflow direction Set position vention setting Stop error Swing operation OFF Fully closed horizontal Airflow direction Fully closed setting Overload thermostat Swing operation LL Horizontal Swing OFF Airflow direction Set position setting Cooling operation The table below contains the fan and flap operations Remote controller Function In Fan Flap FCQ and FHQ Flap FAQ indication Thermostat ON Swing operation L Swing Swing Swing microcomputer con Airflow direction Set position Set position Set position trolled dry keep mode setting P a Thermostat OFF Swing operation OFF Horizontal Horizontal Swing microcomputer con Airflow direction S
152. ry 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 2 10 Part 2 Functional Description ESIE05 01 General Functionality 1 6 Thermostat Control Applicable units Purpose Preventing thermostat OFF conditions ATr Time chart Thermostat All units The purpose of thermostat control is to control the compressor operation by sensing the indoor return air temperature The thermostat control prevents the thermostat from turning OFF in the following conditions Initial operation for the first 2 5 min or Defrosting or Forced operating mode The table below shows how to calculate ATr In ATr Remark Cooling Tr Ts Tr indoor unit return air temp Heating Ts Tr Ts temp set by the remote controller The time chart below illustrates the thermostat control ATr Thermostat ON OFF The table below describes when the thermostat turns ON and OFF When Then the thermostat turns ATr21K AND ON Guard timer of the compressor has counted down 3 min ATrsOK AND OFF Thermostat is ON for min 2 min Part 2 Functional Description 2 11 General Functionality ESIE05 01 Preset temp range
153. s 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 26 2 3 Malfunctioning Drain Water Level System A3 3 27 2 4 Indoor Unit Fan Motor Lock A6 3 29 2 5 Malfunctioning Drain System AF 3 31 2 6 Malfunctioning Capacity Setting AJ 3 32 2 7 Thermistor Abnormality C4 or C9 3 34 2 8 Malfunctioning Remote Controller Air Thermistor CJ 3 36 Part 3 Troubleshooting 3 25 Error Codes Indoor Units ESIE05 01 2 2 Malfunctioning Indoor PCB A Error code LED indications Error generation Causes Troubleshooting Caution o The table below shows the LED indications Operation HAP green HBP green Normal Cs 3 ES Ee 3 o Malfunctioning ot The error is generated when the data from the EEPROM is not received correctly EEPROM Electrically Erasable Prog
154. s air or nitrogen Inaccuracy of the high pressure switch Broken or disconnected high pressure switch harness Malfunctioning high pressure switch connector connection Malfunctioning outdoor unit PCB Malfunctioning refrigerant piping circuit Indoor unit air filter is clogged Heat mode Outdoor heat exchanger dirty Cool mode Outdoor fan malfunction Cool mode Stop valves are not opened HPS settings The table below contains the preset HPS values Applicable units Abnormal Reset RR RQ71 125B gt 41 5 bar lt 32 bar Part 3 Troubleshooting 3 43 Error Codes Outdoor Units ESIE05 01 Troubleshooting To troubleshoot proceed as follows Check the connections of the high pressure systems y Check the stop valves Are they Open the open NOP stop valves Yes Is HPS correctly connected to the outdoor No gt Connect correctly unit PCB Yes y Turn the power OFF and back ON after 10 minutes Check the continuity of the HPS for control and safety Does the HPS have continuity Replace HPS No without continuity Yes Is the unit in cooling mode Check No high pressure during operation Yes Tc HP gt Ta indoor 35 C set value 1 gt HP gt set value 2 Check high pressure during operation
155. s 5 3 functional diagrams ze GA alk ada are a EAE oe FP Ne BE wk ae TAY ee et ee 1 19 general outline outdoor units eee 1 3 PO Bila yout naer narren acta Nee er a Ee lene ere Fee ee Re ear ae 1 43 SWITCH IDOX AVOUT cate eave Biase atrose Ada lerend ewa platelet rete lootten 1 31 tHETMISTORS 4 2 etwas ennen btn ede di Meneer erde men 2 4 wired remote controller components eee 4 10 wireless remote controller COMpONeN S o oococccccc eee 4 12 wiring diagrams outdoor units eee 1 35 low pressure SWR san ir a a 3 23 MAIN ccoo a ep Wn rd Gre ee We Baws ea a a a AA tia a 4 15 malfunctions indoor error codes overview uee 3 16 outdoor error codes overview 0 eee eee eee eee 3 17 system error codes overview uee eee 3 18 OperatingiMOdES cs dla Ah seit tdci OT deedeetee cates and dente daal lud da ica 2 6 operation data ceva aren ier eon en ene an Oe i ne Cpa es We ee ee hal 4 28 Operation fange nne seert en ake aed eect ine ereen den ate to eaten BE bib ae EAP ane SS ne 4 27 OPHOAS an cee eee ke we ee beets th bee ee a et ea es cae a ded 1 13 outlook OUT OOP BUT CP EE 1 3 overcurrent protection function neee 2 24 Index ESIE05 01 AN 3 77 PRD AA EE 3 77 RST renee on a A A te A et ia 3 78 Refrigerant Cylinders nnen ent veen eon ene eaten a a ee A 1 xiv RefrigerantiR4 IDA tic dois ala aa Hema iten ta Renee Re enne Adi ade wa ate eed 1 xii remote controller display MalfUNciON dare nde stede ct asia
156. s Inspection Test Operation button once button for more than 4 seconds en Normal mode Press Inspection Test Operation Press Inspection Test Operation button once button once Or after 30 minutes After 10 seconds Following codes can be checked Test i Inspection Malfunction codes operation Indoor model code KOSY made Outdoor model code ae Press Inspection Test Operation button once n Thermostat is forcibly turned on 3 8 Part 3 Troubleshooting ESIE05 01 Troubleshooting 1 6 Checking with the Wireless Remote Controller Display 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 an WON OFF Y TEMP TIME P DOWN es FAN L J RESERVE CANCEL TIMER MODE INSPECTION TEST Part 3 Troubleshooting Troubleshooting ESIE05 01 Step Action 2 Press the UP or DOWN button and change the UNIT No until the receiver of the remote controller starts to beep
157. s during normal mode to enter the 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 ola ARJ OJN Press the INSPECTION TEST button to return to the Normal mode 4 12 Part 4 Commissioning and Test Run ESIE05 01 Field settings 2 4 Field settings Overview of the Field Settings of the Indoor Units The table below contains the possible field settings of all indoor units First Second code No Mode No code No Description of the setting i 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 0 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 O
158. scription 2 41 Overview of the heating mode functions ESIE05 01 3 4 Starting Outdoor Fan Control in Heating Mode Applicable units Purpose Method Different fan RQ71 125B The purpose of the starting outdoor fan control is to control the fan speed in function of the indoor and outdoor unit air temperature The illustration below shows the fan starting control in heating mode LPS is not detected for 3 min after start up Units operate with the starting air flow volume for at least 5 minutes The air flow volume stays at H for the first 5 seconds if it is switched from OFF to L The fan operating areas 1 9 are indicated Outdoor unit air temperature 17 24 Indoor unit air temperature The table below explains the meaning of L H and HH fan speed speeds 71 and 100 125 Fan operation 1 fan Upper fan MF1 Lower fan MF2 OFF OFF OFF OFF L L L L H H H H HH HH HH HH Used input The outdoor fan starting control in heating mode uses the following inputs input Connection on Connection on p indoor PCB outdoor PCB Outdoor thermistor R1T Suction thermistor R1T Outdoor coil thermistor R2T 2 42 Part 2 Functional Description ESIE05 01 Overview of the heating mode functions Time charts thermostat ON Area 2 9 180 sec fan start control l I cm gt l normal fan operation 4
159. shooting ESIE05 01 Error Codes System Malfunctions 4 7 Malfunctioning Field Setting Switch UA Error code UA Error generation The error is generated when incorrect field settings have been set for pair twin triple double twin Causes The possible causes are Malfunctioning indoor or outdoor unit PCB Malfunctioning power supply PCB Indoor outdoor indoor indoor unit transmission wiring Malfunctioning remote controller wiring Part 3 Troubleshooting 3 69 Error Codes System Malfunctions ESIE05 01 Troubleshooting Is the remote controller connected to more than YES To troubleshoot proceed as follows one indoor unit Is the outdoor unit used for NO Connect the remote controller correctly Twin system Is the setting of NO Check setting No of Connected Twin System Indoor Units of indoor unit Pair Twin Triple set correctly microcomputer normal monitors HAP of all indoor unit PCB flashing Are the transmission normal montiors HBP of all indoor unit PCB flashing NO Turn the power off once then back on and restart operation Operating normally indoor indoor and indoor outdoor jumper correctly connected Is the power supply PCB correctly connected Is there 220 240 VAC between No 1 and No 3 of X2M indoor Unit
160. shortage error is activated However operation does not stop due to gas shortage To check the gas shortage error UU see page 3 62 Used input The gas shortage function uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Outdoor discharge thermistor R3T X6A Outdoor expansion valve Y1E X24A 2 18 Part 2 Functional Description ESIE05 01 General Functionality 1 12 Drain Pump Control Applicable units Purpose Starting conditions Method Used input The drain pump control is applicable for the following units Model type Model name Cassette FCQ standard and FUQ standard Duct FBQ standard Ceiling FHQ optional The purpose of the drain pump control is to control the water draining from the drain pan The drain pump control starts the drain pump when one of the following conditions is fulfilled The cooling operation is activated or The level in the drain pan becomes abnormally high or Freeze up prevention is detected in cooling operation The float switch opens because an abnormal drain level is detected in the drain pan The table below describes the activation at open float switch Situation Activation at open float switch Thermostat ON 1 The thermostat is immediately turned OFF 2 The drain pump continues to operate for minimum 10 min 3 If the float switch closes ag
161. ssor Ts 2 15 C suction pipe temperature compressor ATi 8 16 C indoor temperature difference air return air outlet During heating The operating conditions must be as follows mode Items Operating modes If the operation is out this range Outdoor temp 10 to 15 CWB A safety device may stop the operation Indoor temp 10 to 27 CDB The operation values are guidelines in the operation range LP 5 3 bar 9 5 bar low pressure HP 25 3 bar 32 7 bar high pressure Td 60 100 C discharge pipe temperature compressor Ts 15 10 C suction pipe temperature compressor ATi 12 32 C indoor temperature difference air return air outlet 4 28 Part 4 Commissioning and Test Run ESIE05 01 Test Run and Operation Data Correlation of Air Conditioner s Operation Status and Pressure Running Current Note 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 Inlet Lower Lower Lower 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 Refrigeran
162. stat Operation condition Used input All units The purpose of the dry keep mode is to remove humidity while maintaining the room temperature The points of thermostat ON or OFF are determined according to the suction air temperature at The set temperature and flow rate are not displayed on the remote start up of the unit operation controller Suction air temp Operation start up Thermostat y ON ATr Differential Thermostat OFF When dry keep is selected on the remote controller the unit detects the ambient temperature This ambient temperature is then the setpoint The thermostat is turned OFF when the air return temperature drops below this setpoint The thermostat is turned ON in one of the following conditions Suction air temperature Thermostat ON ATr Tr gt 24 C Tr 1 5 C 18 C lt Tr lt 24 C Tr 1 0 C Tr lt 18 C 18 C The table below describes the operation condition Compressor condition ON OFF Fan speed L OFF Flap angle Set angle PoO Air flow direction set with remote controller Setting indication The dry keep function uses the following inputs Input Connection on indoor PCB Connection on outdoor PCB indoor air temperature R1T 2 28 Part 2 Functional Description ESIE05 01 Overview of the cooling mode functions 2 3 Freeze Up Function Starting condit
163. sy 63 Bottom tray assy 27 Magnetic switch 64 Cushion top 28 Fan motor capacitor 65 Packing case p m 29 Motor operated valve coil 66 Thermistor fixing plate 30 Thermistor 67 Single phase AC fan motor 31 Thermistor 68 Thermistor mounting spring 32 Thermistor 69 Thermistor mounting spring 33 Capacitor fixing band 70 Insulation tube 34 Comp motor capacitor 71 HPS cable 35 Wire clip 72 Solenoid valve coil 36 Wire clip 73 Thermal insulation tube 37 Crank case heater Part 5 Disassembly and Maintenance Disassembly and Maintenance Outdoor Units ESIE05 01 1 3 RR100B7V3B RR100B7W1B Exploded view The illustration below shows the exploded view EL COMPO BOX RR100B7W1B EL COMPO BOX RR100B7V3B YN y PJ 3 25 LA st to 4TW26399 50 1 68 RR100B7V3B RR100B7W1B Part 5 Disassembly and Maintenance ESIE05 01 Disassembly and Maintenance Outdoor Units Components The table below contains the components of the exploded view No Component No Component 1 Compressor 38 Terminal strip 2 Rubber cushion pre assy 39 Terminal strip 3 Sound insulation for comp 1 40 Terminal strip for CT 4 Bolt for
164. t 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 When Heating Air Conditioner Status Low Pressure High Pressure Running Current Air Filter Fouling Higher Higher Higher Short Circuit of Indoor Unit Inlet Higher Higher Higher 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 1 Water in the refrigerant freezes inside the capillary tube or expansion valve and is basically the same phenomenon as pump down 2 Dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon as pump down 3 Pressure differential between high and low pressure becomes slight Part 4 Commissioning and Test Run 4 29 Test Run and Operation Data ESIE05 01 3 2 RR71 125B Conditions The illustration in this section is based on the following conditions Equivalent piping length 7 5 m Level difference O m Air flow rate High Operation range The illustration b
165. t 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 32 Part 3 Troubleshooting ESIE05 01 Error Codes Indoor Units Troubleshooting Caution To troubleshoot proceed as follows 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 gt 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 gt 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 33 Error Codes Indoor Units ESIE05 01 2 7 Thermistor Abnormality C4 or C9 Error code LED indications Error generation Causes Checking thermistors The table below describes the two thermistor abnormalities Error Description ra 5 Malfunctioning heat exchanger thermistor system ra oO
166. t conducts a pump down residual operation after thermostat OFF or stop operation from remote control The purpose of this function is to collect the refrigerant in the liquid receiver in order to prevent refrigerant from remaining in the indoor heat exchanger Thermostat ON Fl OFF 7 SV ON rd OFF 4 EV 80 ON Compressor O Refrigerant recuperation 10 sec The initial opening degree of the outdoor expansion valve depends on the indoor and outdoor air temperature The calculation of the opening degree is made at a thermostat ON and at the end of a defrosting cycle Part 2 Functional Description 2 25 General Functionality ESIE05 01 Opening degree Self learning function Normal control When the system was stopped due to abnormal suction or discharge pressure or due to a abnormal high discharge temperature that is too high the expansion valve control tries to avoid the same abnormal stop The expansion valve increases the previous opening degree with 70 in cooling mode or 80 in heating mode pulses at the next start up There are maximum five start up attempts When the compressor stops again after the fifth start up something is wrong with the unit and a unit check is necessary The relevant error code appears on the remote controller The optimum discharge pipe temperature is calculated based on Indoor and outdoor heat exchanger temperature Actual discharge pipe temperature Outdoor am
167. t lsin This Chapter tocata deden 4 3 1 2 Test RUN Checa ira ideale hade 4 4 1 3 Setting the Wireless Remote Controller annen vennen vermeer 4 5 2 Field settings 2 1 What Is in This Chapter nnee nenenene ven eeennvenvereneneneneneennn 4 9 2 2 How to Change the Field Settings with the Wired Remote Controller timida ice ties 4 10 2 3 How to Change the Field Settings with the Wireless Remote Controlled ico A 4 12 2 4 Overview of the Field Settings of the Indoor Units 4 13 25 Overview of the Factory Settings of the Indoor Units eee 4 14 2 6 MAIN SUB Setting when Using Two Remote Controllers 4 15 2 7 Setting the Centralized Group No neee nenenenenneeeneeeneeennen 4 16 2 8 Field settings when using a spare part PCB of Sky Air B series outdoor Unit asire n a aa 4 18 2 9 The Field Setting Levels nnen enenenenennvernevenveneneenneneneenen 4 21 2 10 Overview of the Field Settings RR RQ71 125B nnee 4 24 2 11 JUMP Sii aie ae Ao eh ei adh Be en 4 25 3 Test Run and Operation Data 3 1 General Operation Data ooconcconnccinncnoncnnonnnocnnnonnnnnn non ccnnc cnn nnnnn cnn cr na nano 4 28 3 2 RARAS OD iii al rt 4 30 3 3 ROTA OB dd aa 4 31 vi Table of Contents ESIE05 01 Part 5 Disassembly and Maintenance 1 Disassembly and Maintenance Outdoor Units 1 1 What ls in This Chapter ciar enne 5 3 1 2 RR71V7V3B RR71V7W1B neee a e a eE 5 4 1 3 RR100B7V3B RR100B7W1B neee
168. ts Wired remote controllers Conditions in which the rem contr thermostat is not used Cooling Heating All units The remote controller thermostat is only available in wired remote controls Even when the use remote controller thermostat is selected in service mode the remote controller thermostat is not always used The table below contains the conditions in which the remote controller thermostat is not used a The remote controller thermostat is not Condition Except used when 1 The remote controller thermostat malfunc tions 2 Group control is used 3 The set temp air suction temp combination When the automatic operation is is out of range See further in this section selected If so the remote controller can be used The diagram below shows the operation range of the set temperature air suction temperature combination ts Set temp b _ oC p rg Stk Bidt f Remote controller thermostat operation range Differential zone E th Suction air temp an a 5 C The diagram below shows the operation range of the set temperature air suction temperature combination ts Set temp is tht1 7 ts th l Remote controller thermostat operation range C Differential zone ts th 10 Y ta h 12 th Suction air temp C Part 2 Functional Description 2 23 General Functionality ESIE05 01 1
169. ubleshooting ESIE05 01 5 7 R3T Temperature The table below is the thermistor R3T temperature resistance conversion table resistance Temp Resist Temp Resist Temp Resist C kQ C kQ C ko 60 0 52 8 130 0 5 4 62 0 48 9 132 0 5 4 6 0 1120 0 64 0 45 3 134 0 4 8 4 0 1002 5 66 0 42 0 136 0 4 6 2 0 898 6 68 0 39 0 138 0 4 3 0 0 806 5 70 0 36 3 140 0 4 1 2 0 724 8 72 0 33 7 142 0 3 9 4 0 652 2 74 0 31 4 144 0 3 7 6 0 587 6 76 0 29 2 146 0 3 5 8 0 530 1 78 0 27 2 148 0 3 3 10 0 478 8 80 0 25 4 150 0 3 2 12 0 432 9 82 0 23 7 152 0 3 0 14 0 392 0 154 0 2 9 16 0 355 3 156 0 2 7 18 0 322 4 158 0 2 6 20 0 292 9 160 0 2 5 22 0 266 3 92 0 16 9 162 0 2 3 24 0 242 5 94 0 15 8 164 0 2 5 26 0 221 0 96 0 14 8 166 0 2 1 28 0 201 6 98 0 13 9 168 0 2 0 30 0 184 1 100 0 13 1 170 0 1 9 32 0 168 3 102 0 12 3 172 0 1 9 34 0 154 0 104 0 11 5 174 0 1 8 36 0 141 0 106 0 10 8 176 0 1 7 38 0 129 3 108 0 10 2 178 0 1 6 40 0 118 7 110 0 9 6 180 0 1 5 42 0 109 0 112 0 9 0 44 0 100 2 114 0 8 5 46 0 92 2 116 0 8 0 48 0 84 9 118 0 7 6 50 0 78 3 120 0 7 1 52 0 72 2 122 0 6 7 54 0 66 7 124 0 6
170. unctions is vital when diagnosing a malfunction that is related to the functional control This chapter is only applicable to h p units Overview This chapter contains the following topics Topic See page 3 2 Defrost Control 2 38 3 3 4 way Valve Control 2 41 3 4 Starting Outdoor Fan Control in Heating Mode 2 42 3 5 Normal Outdoor Fan Control in Heating Mode 2 44 Part 2 Functional Description 2 37 Overview of the heating mode functions ESIE05 01 3 2 Defrost Control Applicable units Purpose Starting conditions Defrost upper limit A RQ71 125B The purpose of the defrost control is to prevent frost on the outdoor heat exchanger coil This frost forms when the unit is in heating position The defrosting starts when either condition 1 or 2 has been realized Condition 1 Condition 2 The compressor has been running for a total of 25 min accumulated since the start of heating operation or since the end of the previous defrosting Outdoor heat exchanger temp lt 3 C and Outdoor heat exchanger temp lt 0 4 x Ta 5 C Outdoor heat exchanger temp Tc CDB When quick defrosting is 15 set 16 26 3 03 Outside air temp Ta CDB Factory setting 7 Defrost activation range Compressor ON gt 5 min continuously Above condition for 10 min accumulated and integral heating capacity diminishes see further in this section AND De
171. unit fan 5 Discharge RST Cooling Cooling overload Pipe cell Check refrigerant shortage too much refrigerant pressor Expansion valve control Heating Heating overload Check refrigerant shortage too much refrigerant Expansion valve control Part 2 Functional Description 2 5 General Functionality ESIE05 01 1 3 Operating Modes and Control Modes Operating modes Control modes The two operating modes are Normal operating mode Forced operating mode The table below contains the different control modes of the Sky Air R410A B series air conditioners Operating mode Control mode Normal operating mode Cooling Dry keep Heating Defrosting automatic Freeze up Pump down Stop mode Forced operating mode Forced cooling Forced heating Forced defrosting Part 2 Functional Description ESIE05 01 General Functionality 1 4 Forced Operating Mode Emergency Operation Applicable units The forced operating mode is applicable for the following units Model type For this unit you can go to RR71 125B Forced cooling mode RQ71 125B Forced cooling mode Forced heating mode Purpose The table below describes the purpose of the forced operating mode If Then Remocon is malfunctioning or Indoor PCB is off line or Outdoor PCB is off line Forced ope
172. ure of Outdoor Unit PC Board E1 3 42 3 4 Abnormal High Pressure Detected by the HPS E3 3 43 3 5 Abnormal Low Pressure Detected by the LPS E4 3 45 3 6 Compressor Overcurrent E6 3 47 3 7 Malfunctioning Electronic Expansion Valve E9 3 49 3 8 Malfunctioning in Discharge Pipe Temperature F3 3 51 3 9 Malfunctioning HPS H3 3 53 3 10 Malfunctioning Outdoor Thermistor System H9 3 54 3 11 Malfunctioning Discharge Pipe Thermistor System J3 3 55 3 12 Malfunctioning Heat Exchanger Thermistor System J6 3 56 3 13 Malfunction of Current Sensor System J2 3 57 3 14 Failure of Capacity Setting PJ 3 59 Part 3 Troubleshooting 3 37 Error Codes Outdoor Units 3 2 Activation of Safety Device EO Error code Error generation Causes Overview outdoor safety devices Troubleshooting Caution mi co The error is generated when a safety device has detected an abnormality The possible causes are Malfunctioning safety device input connection Broken or disconnected safety device harness Clogging refrigerant piping circuit Air short circuit Malfunctioning outdoor PCB See page 3 19 To troubleshoot proceed as follows Check the safety device s lead wire Is it correctly connected N Connect the lead wire o to the outdoor unit correctly PCB Is safety device Q1L or Q2L closed Temperature of fan moto
173. ure switch during compressor OFF Causes The possible causes are Malfunctioning high pressure switch Broken or disconnected high pressure switch harness Malfunctioning high pressure switch connector connection Malfunctioning outdoor unit PCB Troubleshooting To troubleshoot proceed as follows Check the high pressure S switch HPS Is the HPS correctly connected to the outdoor unit PCB No Connect correctly Yes y Turn the power off and back on again after 10 minutes Check the continuity of the HPS for control and safety Does this HPS have N Replace HPS continuity without continuity Replace outdoor unit PCB Caution Be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur Part 3 Troubleshooting 3 53 Error Codes Outdoor Units ESIE05 01 3 10 Malfunctioning Outdoor Thermistor System HS Error code Error generation Causes Troubleshooting Checking the a The error is generated when the thermistor resistance is out of its range 600 to 600kQ The possible causes are Malfunctioning outdoor thermistor Malfunctioning outdoor thermistor connector connection Malfunctioning outdoor unit PCB To troubleshoot proceed as follows Check the unit type Check the connector connection of the outdoor temperature sensor R1T
174. urrent transformer K1R Magnetic relay K1M TC Signal transmission circuit K3R Magnetic relay E1HC X1M X2M Terminal strip K4R Magnetic relay Y2S Y1E Expansion valve Electronic K5R K6R K7R Magnetic relay M1F Y2S Solenoid valve M1C Motor compressor CT Current transformer 1 36 Part 1 System Outline ESIE05 01 Wiring Diagrams Outdoor Units 5 3 RR71 100B7W1B Wiring diagram The illustration below shows the wiring diagram of the unit indoor 2 as 2 ee H 3 71 100 CLASS a A StPL are a fy Ue xmi 1213 RIT RT RT i MN i i Je o A iA POWER SUPPLY A ss 2 FEES O Dx outdoor 3N 50Hz VAN bod Ba ba OO OOOOOO 400V 1 IN gen 324 Fiu XAA X5A X6A X10A XAA un E POWER SUPPLY 8 BLU El a IL pst OUTDOOR BLK lol ON bet El orp MIA EE oO 1234 o z 1 mad St ia Pl kn EE Tiss De H Q XIA ob fam 1t EE AIP E 235 xn i Rit sil pa oH KIM Tol XA LE K7R K6R KER KAR K3R N Or sim L H HA Kim N z u fv Tw CT xim SO xm
175. utdoor fan works at low or high speed Condition Fan Speed Ta lt 7 C OFF Ta lt 41 7 0 84 x Tr L speed Ta gt 45 7 0 84 x Tr H speed Tc gt 53 C HH speed Ta ambient temperature outdoor air temperature Tr room suction temperature Tc condensing temperature overload control The table below explains the meaning of L H and HH fan speed 71 and 100 125 Fan operation 1 fan Upper fan MFI Lower fan MF2 OFF OFF OFF OFF L L L L H H H H HH HH HH HH The normal outdoor fan control during cooling operation uses the following inputs Input Connection on indoor PCB Connection on outdoor PCB Indoor room temperature R1T X19A Outdoor air temperature R1T X4A The purpose of this control is to prevent freezing of the indoor heat exchanger due to a low pressure drop by reducing the air flow volume of the outdoor unit fan The control is activated when the outdoor temperature drops below 41 7 0 84 x Tr At this temperature the outdoor fan speed switches to L tap The differential for the return is 4 K The control is not activated during start up control Part 2 Functional Description 2 33 Overview of the cooling mode functions ESIE05 01 Fan speed control graph Outside air temp Ta 4 CDB e The graph below shows the relation between inside and outside
176. utdoor unit Either capacity data is set incorrectly or capacity has not been set for the data IC UO Malfunction of suction pipe temperature U1 Reverse phase Switch R S T of the 3 phase power supply 3 14 Part 3 Troubleshooting ESIE05 01 Troubleshooting Malfunction Contents Processing Remarks Code U4 or UF Failure of transmission between indoor and outdoor unit Wrong wiring between indoor and outdoor units or malfunction of the PC board mounted on the indoor and the outdoor units If UF is shown the wiring between the indoor and outdoor units is not properly wired Therefore immediately disconnect the power supply and correct the wiring The compressor and the fan mounted on the outdoor unit may start operation inde pendent of the remote controller operation U5 Failure of transmission between indoor unit and remote con Transmission between indoor and remote troller controller is not being correctly carried out U8 Failure of transmission between main and sub remote Transmission between main and sub controller remote controller is not being correctly car ried out UA Failure of field setting System setting mistake for Twin system UC Address duplication of central remote controller In the case of the shaded error codes inspection is not displayed The system operates but be sure to inspect and repair it Note Operation when a malfunction occurs may differ accordin
177. verview This chapter contains the following topics Topic See page 1 2 Overview of General Problems 3 4 1 3 ON OFF Operation in Case of Wireless Remote Controller 3 6 1 4 Checking with the Wired Remote Controller 3 6 1 5 Procedure of Self Diagnosis by Remote Controller 3 8 1 6 Checking with the Wireless Remote Controller Display 3 9 1 7 Self Diagnosis by Wired Remote Controller 3 13 1 8 Remote Controller Display Malfunction Code and Contens 3 14 1 9 Troubleshooting with the Indoor Unit LEDs and the Remote Controller 3 16 1 10 Troubleshooting with the Remote Controller Outdoor Malfunctions 3 17 1 11 Troubleshooting with the Remote Controller System Malfunctions 3 18 1 12 Overview of the Outdoor Safety Devices 3 19 1 13 Outdoor Safety Device Thermal Protector Fan Motor 3 20 1 14 Outdoor Safety Device Reverse Phase Protector 3 21 1 15 Outdoor Safety Device High Pressure Switch 3 22 1 16 Outdoor Safety Device Low Pressure Switch 3 23 Part 3 Troubleshooting 3 3 Troubleshooting ESIE05 01 1 2 Overview of General Problems Introduction None of the indoor units operates Equipment operates but stops sometimes Some indoor units do not operate twin triple Equipment operates but is not able to cool The general problems are None of the indoor units operates Equipment operates but stops sometimes Some indoor units do not operate twin triple Equipment operates but is not able to cool Ab
178. ws Check the connections of the low pressure system y Check the stop valves Are they Open the open No stop valves Yes Is LPS correctly connected to the outdoor No gt Connect correctly unit PCB Yes y Turn the power OFF and back ON after 2 or 3 minutes Check the continuity of the LPS for control and safety Does the LPS have continuity Replace LPS Nop without continuity Yes Is the unit in cooling mode Check low pressure during operation No Pi 3 minutes after start Gs Tc LP lt Ta outdoor 15 C set value 1 gt LP gt set value 2 Vv Check low pressure during operation Yes Faulty refrigerant piping circuit 3 minutes after start Tc LP lt Ta indoor 25 C set value 1 gt LP gt set value 2 Replace outdoor No unit PCB Yes Faulty refrigerant piping circuit Replace outdoor No unit PCB Tc LP heat exchanger temp Ta indoor indoor air temp Ta outdoor outdoor air temp LP low pressure set value 1 max pressure set value 2 min pressure Refer to low pressure settings Caution may occur Be sure to turn off power switch before connecting or disconnecting the connector or parts damage 3 46 Part 3 Troublesho
179. y Air B Series 1 2 In the tables in this section Introduction P stands for pair combination T stands for twin or triple combination Cooling only units Combination matrix S LOHA 00LOHA LZOHA O90HA OSOHA SEOHA Sc 10494 00 Dad 1404 09043 osdd4 S LOHA OOLOHA LZOHA O90HA OSOHA SEOHA Sel Oad 001044 14094 09093 osodd Sc 1003 seoda Sc1094 001093 00LDVA seoda Sc1093 001093 0010W3 1093 09094 L4OVA SelONA 14094 09094 103 Se LONT 09094 0010N3 0094 0010N3 SeDOJ 1 0N3 Heat pump units SeDI LZONA ESIE05 01 Introduction Allowed capacity combinations for twin 4 triple Outdoor unit 71 100 125 35 71 60 60 50 60 50 71 50 50 50 50 50 35 35 35 Required refnets Possible indoor combination Simultaneous operation TRIPLE Outdoor OUT models RQ71B7V3 W1 35 35 RR71B7V3 W1 KHRQ22M20TA7 RQ100B7V3 W1 50 50 50 60 35 71 35 35 35 RR7100B7V3 W1 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ127H7 RQ125B7V3 W1 60 60 50 71 50 50 50 RR125B7V3 W1 KHRQ22M20TA7 KHRQ22M20TA7 KHRQ127H7

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