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Service Manual - daikin tech.co. uk

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1. Function In Fan Flap FCQ and Flap FAQ Remote control FHQ indication Thermostat ON Swing operation L Swing Swing Swing in Dry Keep f ES Airflow direction setting Set position Set position Set position Thermostat Swing operation OFF Horizontal Horizontal Swing OFF in Dry Keep Mode Airflow direction setting Set position Set position Set position Thermostat Swing operation Set Horizontal Horizontal Swing OFF in Cooling M Mode Airflow direction setting Set position Set position Set position Stop Error Swing operation OFF Horizontal Downward Airflow direction setting Set position Downward Freeze preven Swing operation OFF Horizontal Horizontal Swing tion Airflow direction setting Set position Set position Set position LL operation on cassette type units Heating operation The table below contains the fan and flap operations Function In Fan Flap FCQ and Flap FAQ Remote control FHQ indication Hot start after Swing operation OFF Horizontal Horizontal Swing defrost Airflow direction setting Set position Defrost Swing operation Swing Airflow direction setting Set position Thermostat Swing operation LL Swing OFF m Airflow direction setting Set position Hot start after Swing operation Swing thermostat OFF cold air Ai
2. Capacity When low humidity application is selected Field setting 16 26 2 03 Outdoor Indoot Temp C WB Temp 11 14 16 18 19 20 22 24 GEDE Capacity of standard point 15 0 62 0 76 0 86 0 95 1 00 1 02 1 07 1 11 10 0 62 0 76 0 86 0 95 1 00 1 02 1 07 1 11 5 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 0 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 5 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 10 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 15 0 62 0 81 0 91 1 01 1 12 1 14 1 19 1 24 20 0 62 0 81 0 91 1 07 1 10 1 12 1 16 1 21 25 0 62 0 81 0 91 1 05 1 07 1 09 1 13 1 18 30 0 61 0 81 0 91 1 01 1 04 1 06 1 10 1 14 35 0 61 0 81 0 94 0 98 1 00 1 02 1 06 1 11 40 0 61 0 81 0 90 0 94 0 96 0 98 1 02 1 06 Capacity When low humidity application freeze up operation prevention is selected Field setting 16 26 2 04 Outdoor Indoot Temp C WB Temp 11 14 16 18 19 20 22 24 C DB Capacity of standard point 15 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 10 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 5 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 0 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 5 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 10 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 26 15 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 24 20 0 51 0 68 0 78 0 95 1 01 1 06 1 16 1 21 25 0 51 0 68 0 78 0 95 1 00 1 06 1 13 1 18 30 0 51 0 68 0 78 0 95 1 00 1 05
3. ESIE04 01 Specifications 3 9 FAQ Technical The table below contains the technical specifications specifications Specification FAQ71BUV1B FAQ100BUV1B Heat exchanger Rows x stages x fin pitch 2x 16x 1 4 2x12x 1 4 Face area 0 289 m 0 332 m Tube type Hi XA N Hix Fin type Multi louver Fan Air flow rate cooling high 19 0 m3 min 23 0 m min Air flow rate cooling low 15 0 m min 19 0 m3 min Air flow rate heating high 19 0 m3 min 23 0 m min Air flow rate heating low 15 0 m3 min 19 0 m3 min Qty x model 1x QCL9686M 1xQCL1163MA QCL1163MB Fan speed 2 steps Fan type Cross flow fan Refrigerant Type R410A Safety and functional devices Air filter Temperature control Insulation Heat Foamed polystyrene foamed polyethylene Sound absorbing a Weight Unit 13 kg 26 kg Gross 17 kg 34 kg Electrical The table below contains the electrical specifications specifications Specification FAQ71BUV1B FAQ100BUV1B Unit Phase d Voltage 220 240 V Frequency 50 Hz Fan motor FLA Full load amps 0 4 A Power consumption 68 W 101 W No of motors x output 1x43 W 1x49W Part 1 System 1 53 Specifications ESIE04 01 1 54 Part 1 System Outline ESIE04 01 Functional Diagrams 4 Functional Diagrams 4 1 What Is in This Chapter Introduction This chapter contains the following information m Functional diagrams m Pipe connection diameters
4. Is HAP flashing Turn the power supply off once and then back on Check of outdoor unit microcom puter normal Resets normally HAP Is HAP flashing Could be outside cause noise Failure of outdoor unit PCB Turn off the power supply disconnect the No 2 indoor outdoor transmission wire and turn power supply back on Is HAP flashing Failure of indoor unit PCB Failure of outdoor unit PCB or malfunction of power supply system Yes gt Indoor PCB malfunction displays constantly al Resets normally Could be outside cause noise Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 91 Error Codes System Malfunctions ESIE04 01 4 3 Malfunction of Transmission between Indoor Unit and Remote Control U5 Error code Error generation Causes Troubleshooting Caution U5 The error is generated when the microprocessor detects that the transmission between the indoor unit and the remote control is not normal over a certain amount of time The possible causes are m Malfunctioning remote control Malfunctioning indoor PCB m Outside cause noise Connection of two master remote controls when using two remote controls
5. 4 adA uonejeisur jessooeu si yod uonoedsui ue 1equieuo jonp eui 104 ressegeu si yod uoroedsur ue 7 eui 104 si uod uoroedsur ue 7 y 104 sBuiweJp uone eisul BU oi 19431 55 ue ueuM 2 uonons ey jo eureJj jeued eui uo jeued 1106 uonons ey jo ey 1e yinow ey uo ey jo 2 SALON aiqeisnipy 9jou eos YN joep uonoeuuoo 3 exeiut 103 Part 1 System Outline 1 12 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Transmission wiring connection Air discharge grille Air suction grille Water supply intake BWN Corner decoration cover A o Drain hose Part 1 System Outline ESIE04 01 Indoor Units General Outline The illustration below shows the outlook and the dimensions of the unit mm e gt N m LO N YT 2 e e v
6. H MIE V MIIA 9100 995 Part 1 System Outline 1 14 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Transmission wiring connection Air discharge grille Air suction grille Water supply intake BWN Corner decoration cover A o Drain hose Part 1 System Outline ESIE04 01 Indoor Units General Outline FFQ35 60BV1B 2 4 1 The illustration below shows the outlook and the dimensions of the unit mm Outlook and Imensions d JHON HO 00 SI 39 vds GaYINOAY p ALON ss j 10 51 10 epis 1001 eu WOII NOLLVTIV LSNI LHOI3H Q3S079 SI 3OuVHOSIG NAHM eo Jo BES 9JOUJ 10 JO 91010 3ovds MalA 8 uonoeuuoo 398110 oyeju eoeds Buiuedo uonisod uoisuedsng peunsue ued deano jaued aui yey os y pue ey 5591 JO jo eui deey Buiuedo Bulao
7. 1 TEST 4 7 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 control the unified ON OFF control 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 00 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 control however displays only the range of group numbers selected by the switch for setting each address 6 Press the CONFIRMATION button to enter the selected group No 7 Press the INSPECTION TEST button to return to normal mode 4 18 Part 4 Commissioning and Test Run ESIE04 01 Field settings Individually If the address must be set individually for each unit set the Mode No to 30 For example for power address setting consumption counting Part 4 Commissioning and Test Run 4 19 Field settings ESIE04 01 210 The Field Setting Levels Introduction The three field setting levels are m Inspection level m Monitoring level m
8. 5 8 FDQ125B7V3B The illustration below shows the switch box layout PCB CAR TIR X1M X2M Item Description PCB Printed circuit board TIR Transformer C1R Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 80 Part 1 System Outline ESIE04 01 Switch Box Layout 5 9 FHQ35BUV1 FHQ125BUV1B The illustration below shows the switch box layout Item Description PCB Printed circuit board TIR Transformer Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System 1 81 Switch Box Layout ESIE04 01 5 10 FUQ71 125BUV1B The illustration below shows the switch box layout PCB X2M X1M 1 Item Description PCB Printed circuit board TIR Transformer 1 Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 82 Part 1 System Outline ESIE04 01 Switch Box Layout 511 FAQ71BUV1B The illustration below shows the switch box layout X2M PCB Description PCB Printed circuit board X1M Terminal strip for remote control P1 P2 F1 F2 T1 T2 X2M Terminal strip interconnection wiring Part 1 System
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10. pue 1 01 28 989 5 5 34 0 Buipso9ge aJOWA au pasn 5110 104002 paJeJjur UBYM S VpeX un y 0 J0j aas UAM Z juo s1ojonpuoo 18ddoo asp 1690 MOLA MIA 038 Hed 18 1510109 UAMS mais Yee dwe 9 aM 20129000 Buuim aydepe 2 10009 Joopyng 125 am qun ejdsig 19A 9284 810N Joopjno TT Ts BENLEGEL O0L 12094 duS WIX NOZZINOYZ AOZZ 1 YL 104 1 1 89 Part 1 System ESIE04 01 iagrams D iring Ww FFQ35 60BV1B 6 6 1 The illustration below shows the wiring diagram of the unit Wiring diagram arad 09 0S SE 92044 a i Os aowa f PaM 404 nojoo 101090009 sjuauodwo9 10 201290009 sjuauodw09 10 9 onja 1
11. epe ge dee 1 71 5 Switch Box Layout 5 1 WhatIs in This LED REESE ORDRE ande 1 73 5 2 RZOZIB7V3B tre itii dtr ee dere ade 1 74 5 3 RE ER CREER CR RES 1 75 5 4 FCQ35B7V1 FCQ7 11B7V3B tete 1 76 5 5 FCQ100 125B7V3B chev ca 1 77 5 6 FEQ35 60BVAB seig a bettas coche painted 1 78 5 7 FBQ35B7V1 FBQ125B7V3B essere 1 79 5 8 EDOT125B7V3B eq HE ore Pete p terit 1 80 5 9 FHQ35BUV1 FHQ125BUV1B 1 81 5 10 25 1 82 5 11 FAQ71BUVTB cpi ee deerde 1 83 5 12 FAQIOOB UV B neben EOS 1 84 ii Table of Contents ESIE04 01 6 Wiring Diagrams 6 1 What Is in This Chapter 1 85 6 2 RZQ7IBIN SB icici SE aui REB 1 86 6 3 RZQ100 125B7V9B ieee t E ee 1 87 6 4 EGQ935260B7V1 oig eoe toram ep etate 1 88 6 5 FCQ71 125B7V3B edet ie ees 1 89 6 6 FEQ35460BV1B chaine etae dedit d dee edi 1 90 6 7 OTM O 1 91 6 8 FBQ71BZV9B nnen a pee CB ee 1 92 6 9 FBQ100 4125B7V3B cce i de eo ee 1 93 6 10 FDO125B7V3B tn edo tede coe e ehe tet ree ends 1 94 6 11 FHOS5S60BUVT ese See enne is a ic toate dis 1 95 6 12
12. 40 uoneo0 SALON jexoeJq uoisuedsns jo 1uBieH on Bt yoq uorsuedsns 2 SION JO si eoeds p nb ey aBseyosip Burso o ueuM aon eureu purig jonpoid ey jo egens do eui oi dn pesreJ ow Jo ww eq ueo edid ow 40 Buidid jeddn 4291 10 UONeDO uoneoo uonoeuuoo i uonoeuuoo ured E eoeds peuinbeu 8JOW JO meii EM Part 1 System Outline 1 36 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Air outlet Air suction grille Corner decoration cover Right pipe wiring connection Rear pipe wiring connection BWN Pipe through cover Accessory drain elbow Part 1 System Outline 1 37 ESIE04 01 General Outline Indoor Units mm The illustration below shows the outlook and the dimensions of the unit gt 5 N g o ur 5 N dimensions oxezui Bunt pue ti Hi sooeds up 99895 104 eJou 10 05 _ 3HON HO 0092 Er
13. Yowms oway dey Bums 10104 pieoq 19991 10 PAM qns ule YMS 10199 9 1ubr uw vonoedeg pJe0Q 1 97 Part 1 System ESIE04 01 e r gt 5 K o 5 t 5 2 T 1 The illustration below shows the wiring diagram of the unit Wiring diagram ALANAL 2074 019 pue jenuew Aq 03u09 pue paJIM JO ZSS LSS YOUMS 10 29 95 Dunes Jo y 01309 apis ee 104009 570097 6 099 uolssiwsues c 910N apisjno 1nduj 0 ejdsip 19Ai9289H nig 18 MOIBA u9819 NYO 9JUM LHM AJY se Moys sjoqui s 9 70990002 N9119 HOYS SMOUS dk G pesn si 3 10 4009 y UIYM peioeuuoo SI YyZX Y pue LWAa SAS uomneulquioo eu S LA IUL 2 Jenuew 5 payoeye
14. uej aube __ 14 2051290 19 epoip 1467 0 291 asny Us uoma 10009 paads weg 0 00 2040995 uonerodo Dupas 6 euim 0074 8 02 0 5 wong dorsiers opow 1 A ddns Jamod uL uong HO UO 10 9 0UJ8J 12014 ILS 1 93 Part 1 System ESIE04 01 Wiring Diagrams FDQ125B7V3B 6 10 The illustration below shows the wiring diagram of the unit Wiring diagram 1 9E09EMLE S 3 g g 8 Jogeoipui uor i 10 Sjeuiuula E WEIT Palm _ 5581 GZL UAMS 5520 067 104 JOU SI 08 7 uos Y Em IMOJJ9A a1ojaq HO payoyms si Ajddns samod ay yey ans ag Z hy E a SUA pun au 0 2 duds 104 aas ajouioJ Duisn UUM L Ci 1919 AUD SOON enig M18 203290005 ajowal iur maios yuea pasim Jo siejeg 810109 eM Yo aowe 40 99UU09 Vor aardepe 020 104290007 EU ugua peppaqui3 31 asn
15. 10 OF g0eds eoeds JHON HO 09 Buidid SLI B amp E jou jo BuiweJp ay J9JOH J9AI9294 reubis e uonisod siu poJeJjur Buisn jo eseo UI 2 Duiseo eoeuns apis Em Jo SALON episino HH eoeds pauinbay 10 0G Q LI pued uedo 20 suoisueuiiq tf xouddy Part 1 System Outline 1 38 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Front panel Front grille Air outlet Gas pipe Liquid pipe Drain hose Grounding terminal Right side pipe connection hole NI oJ a Left side pipe connection hole Part 1 System 1 39 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm gt 5 a e e g u o 9 N ui peeJjul Jo BuiweJp 49Al929J euis eq uonisod siy
16. aveau WLOX kauawa 10399000 V09X 10199195 SS anes 1915 dej dep dno15 DUIMS Yor Ms pun soopu warsfs Joyauuog VGEX 109 JO 9522 uj T vezx 10100 uos worms WLO 40 9aUU0 VLX fey Duis 10100 08 sped jeuondo 10 ue LW 195 sse1ppe sse aJt W dE Aejar onauben yams 1010895 255 SEN Aejal onaube YoWms 20199 95 155 apoip Dune 14 dvH 0 GIN sopoedeg 10 3 epoip 29010502 2 H Terms dzv MT umwa peog pajud div 1 99 Part 1 System Wiring Diagrams ESIE04 01 1 100 Part 1 System Outline ESIE04 01 PCB Layout 7 PCB Layout 7 1 What Is in This Chapter Introduction This chapter contains the following information m It describes which unit uses which PCB types m shows the PCB connectors Outdoor units This chapter contains the following PCB layouts PCB layout See page 7 2 RZQ71B7V3B 1 102 7 3 RZQ100B7V3B 1 104 Indoor units This chapt
17. 01 q Il 14 erejd ejowe Buisn Jo eseo UI 2 Viera ooeyns episino ejejd epis 1614 aye d aweu oyequ BuutM SALON pue 203 en eju GE 285 xoiddy 9 RF poom 104 F lij 2 poom 104 L eoeyns 2 g0eds ino Jo 19414 104 ooeds M S esow 382 aon eje d purig a0eds peunbeu eoeds QJOW 10 OG 10 15 uonoeup 33 C Q Part 1 System Outline 1 40 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Front grille Air filter Discharge outlet Gas piping connection Gas piping connection Drain piping connection Earth terminal Slit hole for right side piping connection a AJ OJN Slit hole for left side piping connection Part 1 System 1 41 General Outline Indoor Units ESIE04 01 1 42 Part 1 System Outline ESIE04 01 Specifications 3 Specifications 3 1 What Is in This Chapter Introduction This chapter contains the following information
18. Functional This chapter contains the following functional diagrams diagrams Functional diagram See page 4 2 Pair system 1 56 4 3 System 1 58 4 4 Triple System 1 60 4 5 Double Twin System 1 61 4 6 Indoor piping 1 62 4 7 Pipe connection diameters 1 64 4 8 Re using existing field piping 1 65 Part 1 System Outline 1 55 Functional Diagrams ESIE04 01 4 2 Pair system 1 82071 Liquid piping Gas piping 12 Outdoor unit Heating Cooling 1 56 Part 1 System Outline ESIE04 01 Functional Diagrams RZQ100 125 Indoor unit Outdoor unit Heating em Cooling Part 1 System 1 57 Functional Diagrams ESIE04 01 4 3 Twin System e ee 4 6 Liquid piping Gas piping M Outdoor unit Heating Cooling Indoor unit NOTE The press between the branch and the indoor units should have the same size as the indoor connections 1 58 Part 1 System Outline ESIE04 01 Functional Diagrams RZQ100 125 Indoor unit E Liquid are 19 Gas piping 14 p 1 Outdoor unit Heating i weer Cooling COMPONE eee Indoor unit NOTE The press between the branch and the indoor units should have the same size as the indoor connections Part 1 System 1 59
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20. 3 106 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 11 Checks 5 111 Clogged Points Temperature differences must occur before or after the clogged points Indoor Unit pmo NOOR S Check points Check factor Causes Remedies 1 Around Temperature m Dust Replace the expan expansion difference m Choked moisture sion valve mechanism m Reduced effective pipe diameter due to adherent contamination etc 2 Accumulator Frosting m Choked moisture Blow a nitrogen gas and then replace the refrigerant 3 Distributor Temperature Dust Replace the heat difference moste exchanger or distributor Reduced effective pipe diameter due to adherent contamination etc 4 Field piping Temperature m Collapsed pipe Replace the pipe difference 5 Stop valve Temperature m The stop valve is not fully Open the stop valve difference open fully Part 3 Troubleshooting 3 107 Additional Checks for Troubleshooting ESIE04 01 5 11 2 Indoor Unit Fan Motor Checks Phase Controlled Motor 1 Turn the power supply off With the relay connector disconnected measure the resistance between UVW phases of the connector 3 cores at the motor side then make sure that the
21. ajd purig jonposd eu jo eoeyins do y WWOGE 0 dn eq ueo edid al jeddn 429110 JO uoneoo uonoeuuoo uonoeuuoo ureiq ureaq Part 1 System Outline 1 84 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Air outlet Air suction grille Corner decoration cover Right pipe wiring connection Rear pipe wiring connection BWN Pipe through cover Accessory drain elbow Part 1 System Outline 1 35 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm Y gt 5 LO N T 2 v S o 9 N renuew Jeje eseejd eq IM uoroeuuoo edid jo eBreyosip g JO 2 uB ey 2 ui jo ey 0 eeds pounbeu T SI JO euDis OU si SIUL 2 Li MEN 5
22. Condition A Indoor unit temp gt 34 Condition Condition Indoor unit h e temp gt indoor suction air temp O 17 C 12 if outside temperature is lt 5 C Indoor unit h e temp gt indoor suction air temp 22 C 20 if outside temperature is lt 5 C 3 minutes elapsed after compressor startup O 5 5 minutes elapsed after compressor startup 10 5 minutes elapsed after compressor startup zu 2 34 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 Outdoor Unit Functional Concept 3 1 What Is in This Chapter Introduction This chapter will explain more details about the various functions that are programmed for the sky air R410A inverter outdoor units Overview This chapter contains the following topics Topic See page 3 2 Function Outline 2 36 3 3 Frequency Regulating Functions 2 39 3 4 Expansion Valve Regulating Functions 2 55 3 5 Outdoor Unit Fan Speed Control 2 59 Part 2 Functional Description 2 35 Outdoor Unit Functional Concept ESIE04 01 3 2 Function Outline Introduction This chapter will show an overview of all applicable functions in cooling and heating mode Content Topic See page 3 2 1 Function Outline in Cooling Mode 2 37 3 2 2 Function Outline in Heating Mode 2 38 2 36 Part 2 Functiona
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24. Second code No Contamination 01 02 light heavy 2500 hrs 1250 hrs 2500 hrs 1250 hrs 2500 hrs 1250 hrs 2500 hrs 1250 hrs 200 hrs 100 hrs 2500 hrs 1250 hrs 2500 hrs 1250 hrs When the cool heat thermostat is OFF you can stop the indoor unit fan by switching the setting to Fan OFF This setting is used as a countermeasure against odour for example for barber shops and restaurants Mode No First code No Second code No Setting 01 11 or 21 2 02 Fan OFF You can switch the fan speed to the set fan speed when the heating thermostat is OFF This setting is called Set Fan Speed Mode No First code No Second code No Setting 01 LL fan speed 12 or 22 3 02 Set fan speed Set the air flow direction of the indoor units as given in the table below This setting is needed when the optional air outlet blocking pad has been installed The Second code is factory set to 01 Mode No First code No Second code No Setting 01 F four direction air flow 13 or 23 1 02 T three direction air flow 03 W two direction air flow 4 16 Part 4 Commissioning and Test Run ESIE04 01 Field settings 2 8 MAIN SUB Setting when Using Two Remote Controls Situation The MAIN SUB setting is necessary when one indoor unit is controlled by two remote controls When you use two remote controls cont
25. y episino WE jnoqe gt pyepuels ey s 991 2 jo Buimeup ey 01 jeu s JIM uonisod SIU Jo eseo UI 2 uonons eui Buisnoy Ue JO eie d sun jo uoneoo L SALON ey ui no JO JEM JO 5 yo 104 Jala uonoeuuoo edid ureiq ws are vi Opis 10015 eje d purig WO eur Ul 4013y 104 eoeds eoiues 10 eoeds 10 MK 10 opis 100 AU WOI uone eoeds Li eoeds peunbeu ii Peru tp yoq in 3n t uonisod y uonisod yoeg ui Fo 10 3104 115 VONSOH Part 1 System Outline 1 32 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component 1 Air discharge grille 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box
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27. 10129 8S 45 16 92 06 1344 146 1 1 apoip 146 yo uo uonnq pieog payulig pie0g num 51 19 19291 101U02 9 0U18J Pasi qns ureur uo1AS 1012995 3ojsruuau 1010009 mons 0015510707871 TEUDIS T 18981 80015 dis duis euna dev 155 id JD 28 Wex WIX onu 95904 AZz AOvz 022 091746 18014 2 109 10151 160 1 105 0159 10159 LSS Kpeppequi3 JL uos ouuau Burms 100 re1p ueroopui 1 t d H d LIN 09910 1oyuou azn goles epoip 1467 ver asn4 Gun soyoedeg peog Palud TIS 19 WID SEN dE AEN dVH nid 9 div Part 1 System Outline 1 90 Wiring Diagrams ESIE04 01 FBQ35 60B7V1 6 7 The illustration below shows the wiring diagram of the unit Wiring diagram V L 9LLGEMLE 10 Jossa1duio uonejado Nv4 JOjpoipui 9 10 SjeuiuuaJ pue 29
28. 10 eoeds JO 0092 P S y 2 a D isi yoq eoeds ur UI 4013y 104 Part 1 System Outline 1 30 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component 1 Air discharge grille 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box 8 Suspention bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Left back drain pipe connection 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Hole of wall for taking out in piping back 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System 1 31 ESIE04 01 The illustration below shows the outlook and the dimensions of the unit mm FHQ125BUV1B General Outline Indoor Units Outlook and dimensions 2 12 CAYA 01 jou 8111 9 Q O X SYOIMZ x zuuig o peuoejje lt
29. 1 General Outline Outdoor Units 1 1 What Is in This Chapter Introduction This chapter contains the following information on the outdoor units m Outlook and dimensions m Installation and service space m Components General outline This chapter contains the following general outlines General outline See page 1 2 RZQ71 Outlook and dimensions 1 4 1 3 RZQ100 and RZQ125 Outlook and dimensions 1 6 1 4 RZQ71 RZQ100 and RZQ125 Installation and Service Space 1 8 Part 1 System Outline 1 3 General Outline Outdoor Units ESIE04 01 1 2 RZQ71 Outlook and dimensions Outlook and The illustration below shows the outlook and the dimensions of the unit mm dimensions Installation and See page 1 8 service space 1 4 Part 1 System Outline ESIE04 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 Grounding terminal M5 inside the switch box Refrigerant piping intake Power supply wiring intake Control wiring intake AJ wy Drain outlet Part 1 System General Outline Outdoor Units ESIE04 01 1 3 RZQ100 and RZQ125 Outlook and dimensions Outlook and The illustration below shows the outlook and the dimensio
30. 125 80 5 5 HENDRER 1 96 6 13 FUO7 25 sco 1 97 6 14 FAQ7Z1BUMIB al 1 98 6 15 enten nattere mart dare heelheid 1 99 7 PCB Layout 7 1 What Is in This Chapter nnen eeens eenereneneneeennn 1 101 7 2 RZOQ71B7M3B An o diee bep t mi eee crt n obti ge 1 102 7 3 RZOTOOBZVSB tn ett es ee 1 104 7 4 5 tei et ee et ene heen 1 106 7 5 FCQ71 125B7M8B nain dad ek esis alte RU EE ed 1 107 7 6 FEQ35 60BV1B issie ae sane ermee eae tase eet 1 108 7 7 PBQ35 GOB LV Wess sins is UE 1 109 7 8 FBQ100 125B7V3B e E E TEATA 1 110 7 9 125 7 3 eet i atthe tae 1 111 7 10 FHOS5 60BUNM ett zt ia sit Messin sh enten en sd 1 112 7 11 FHQ71 125BUVAB he eee etta etc tbe dde 1 113 7 12 FUQ71 125BUVTB nuin ce HR Rede 1 114 7 13 acer sciat a e bet a peti dane 1 115 7 14 FAQ100BUVTB inge ee dc re o e dean 1 116 Table of Contents iii ESIE04 01 Part 2 Functional Description 1 General Functionality 1 1 What Is in This Chapter nanne nernenensvenneeeneneneeenenenvenenenenn 2 3 1 2 Functions of Thermistors 2 4 1 3 Force
31. p n ESiE04 01 Service Manual RZQ71 125B7V3B Sky Air Inverter R 410A B series ESIE04 01 Table of Contents 1introduction 1 1 About This Manual sess nnn niu i i 1 2 Combination OvervieW teer vete eer ec i ii 1 3 Precautions on handling new i iv Part 1 System Outline 1 General Outline Outdoor Units 1 1 What Is in This Chapter 1 3 1 2 82071 Outlook and dimensions ennnenn 1 4 1 3 RZQ100 and RZQ125 Outlook and dimensions 1 6 1 4 82071 RZQ100 and RZQ125 Installation and Service Space 1 8 2 General Outline Indoor Units 2 1 What Is in This Chapter iriiria eraun iarere a etea 1 11 2 2 FCO35B7V i 1 12 2 3 FGQ100 125B7V39B nete sica etie tese ee ce Eo anche ae spores 1 14 24 FEGS5560BV1BZ ev 1 16 2 5 FBQ35B7V1 amp FBQ50BYVA 1 18 2 6 FBQ60B7V1 amp 71 7 1 20 2 7 FBQ100B7V3B amp FBQ125B7V3B nnn eene 1 22 2 8 EDOT25BZM3B 2 nni ien eiu 1 24 2 9 FHQ35BUV1 FHQ50BUV1 1 26 2 10 FHQ60BUV1 FHQ71BUV1B nennen renner 1 28 2 11 F
32. Commissioning and Test Run ESIE04 01 Field settings 2 13 2 External activation from optional PCB Graph Silent operation can also be activated from the optional PCB Transmission connector Power supply connector 5 on outdoor PCB X6A on outdoor PCB X77A a gus in Output on 801 12VDC 12mA Maximum wire length 100 meter 4 Silent operation will start when the contact on LNOP COM is closed and will remain active as long as the contact is closed No field setting on the outdoor unit or by remote control is required Silent operation will be ended when the contact is re opened Use of the KRP58M enables the use of an external time clock Capacity priority Same as with the automatic control priority for capacity can be set Prioirity for capacity will be Setting activated by changing field setting 26 0 03 in combination with the closed contact on KRP58M First Second Code Description Mode Code 01 04 Silent Operation 16 26 0 Factory Capacity priority Exceptions The silent operation will be overruled in the following conditions m Pump down residual operation m Startup control m Defrost operation m Oil recovery Sound reduction 71 100 125 Sound reduction 4 dBA 4 dBA 5 dBA Part 4 Commissioning and Test Run 4 27 Field settings ESIE04 01 2 14 I Demand Function Purpose Set a limitation towards the power consu
33. E TRF ku Jenueui uonejjejsui ay uM 99uepJo29e U TUM Hi TEE sir jun 0 0J U02 JOWA BJU UISN ASEI UI Z Ays 104 serdepe LOX Buum Joyauuog 09 yun Aejdsip ianiaooy S opisino andu 440 NO 1ojoauuog 7 20090009 VOpX feura P iajdepe dno15 ES 2103990009 VGEX TT 5810 3 N Bum 10 Jaydepy 10juo9 0199000 VeEX wnd 20090009 VGZX 1 YMS 38014 1099000 aL sped 10 101090009 jas ssaippe ssajallM L brisal YIYMS 10199 85 1013005 i 8 qnsjureyy ayowial pall J Yous 95 1 PaM ed aBue10 1s04jap lil apoip 167 dbH WT ane s aajsew yun 100pu iun J00pu J7 dir uonelado m LIS 1 snoauejnulls JO ase uj 09910 9 peoq noi pajuud 404 i 7 TH Lef 67 sjusuodwo9 104 0 02 Li pas uo sjueuoduioo 104 101280002 TT LEL 1467 uong usnd GIN zonoedeg 1 95 Part 1 System o m Y gt 5 e LO N T 2 K o s I 5 2 T z 1 The illustration below
34. Outdoor Unit Functional Concept ESIE04 01 3 3 4 High Pressure Protection Control Outline In order to prevent abnormal high pressures in the system and hence avoiding activation of the high pressure safety device the below control function will be activated Details The high pressure value will be calculated from the low pressure power input and compressor frequency m HPS opens at 40 bar tolerance 0 0 15 m HPScloses at 30 bar tolerance 0 15 Flow chart When cooling operation When heating operation Normal operation Hp 3 24Mpa Hp 3 53 MPa Y Hp 3 29 MPa Hp 3 43 MPa e 30 sec elapsed Compressor operation Compressor operation frequency 1 step 10 sec frequency 1 step 1 min Compressor operation frequency B Hz 1 gt 3 58 lt 3 38 15 times or Hp gt 3 82Mpa less stop Compressor operation Compressor operation OR HPS activates ping in 200 frequency A Hz frequency 1 step 5 min minutes Compressor stop HPS activates lt 3 48 MPa a HPS activates OR Hp gt 3 82 MPa Stopped 16 times in for 1 minute 200 minutes Compressor stop Malfunction stop indication HPS activates Stopped 16 times in 200 minutes Malfunction stop indication Parameters RZQ71B RZQ100 125B A Hz 79 Hz 62 Hz
35. disconnect connector or parts damage may be occurred 3 18 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 3 8 Equipment produces loud noise or shakes Applicable Model Error Detection Method Error Generating Condition Possible Cause Troubleshooting Caution All models of SkyAir series m Excess charge of refrigerant m Air intrudes into refrigerant system m Flushing noise due to refrigerant shortage Sound of shoo Installation work side YES Does the noise generate with vibration of whole ceilings and walls he noise generat YES gt Correction of installation Reinforcement for ceilings or walls with vibration of unit mounting section Continuous slight noise of shoo during cooling or gt Insert shock absorber in mounting section or strengthen the mounting section Normal The sound is flushing noise of gas refrigerant inside air conditioning unit 22 Is the piping secured Power supply side shoo generates just after operation start or stop or defrosting Does the gt Insert cushion materials to the pipe support such as saddle Normal The noise is a sound generated at the time of gas refrigerant flow change or stop fan contact with other parts NO E Sound of shoo generates during cooling or after opera
36. ewen 5 Jo uoneoo SALON 103 Zi uonoeuuoo edid ureiq opis 10013 a o epeisqo 9 D 8 ogeds eames Blo eJow JO RE als 3 HE 3 S 849 Part 1 System Outline 1 26 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component 1 Air discharge grille 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box 8 Suspention bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Left back drain pipe connection 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Hole of wall for taking out in piping back 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System 1 27 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm gt 5 a N I LL gt 5 o o 9 N dimensions ey
37. operation ending judgement a Part 2 Functional Description 2 37 Outdoor Unit Functional Concept ESIE04 01 3 2 2 Function Outline in Heating Mode Flow chart Heating operation Power supply ON Initialize motorized valve Initialize microcomputer Stopping Crank case heater control Preheating operation control Remote control operation judgement Cooling Dry Emergency Emergency operation Operation mode judgement Heating Cooling Dry Heating Thermostat ON judgement v Starting control 4 way valve changeover Hot start control Normal control gt Compressor step contro Discharge pipe temperature protection control Motorized valve PI control PMV control Inverter current protection control Low pressure protection control Inverter fin temperature protection control Overall current protection control High pressure protection control Suction pipe superheat degree protection control Heating overload control Simulated operation i i i Oil recovery Defrosting Thermostat OFF judgement Remote operation starting condition Thermostat OFF by lt A gt Tr control S
38. 1 83 Switch Box Layout ESIE04 01 512 FAQ100BUV1B The illustration below shows the switch box layout PCB X1M Item Description PCB Printed circuit board 1 Transformer 1 Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 84 Part 1 System Outline ESIE04 01 Wiring Diagrams 6 Wiring Diagrams 6 1 What Is in This Chapter Introduction This chapter contains the wiring diagrams of the outdoor and indoor units Outdoor units This chapter contains the following wiring diagrams Wiring diagram See page 6 2 RZQ71B7V3B 1 86 6 3 RZQ100 125B7V3B 1 87 Indoor units This chapter contains the following wiring diagrams Wiring diagram See page 6 4 FCQ35 60B7V1 1 88 6 5 FCQ71 125B7V3B 1 89 6 6 FFQ35 60BV1B 1 90 6 7 FBQ35 60B7V1 1 91 6 8 FBQ71B7V3B 1 92 6 9 FBQ100 125B7V3B 1 93 6 10 FDQ125B7V3B 1 94 6 11 FHQ35 60BUV1 1 95 6 12 FHQ71 125BUV1B 1 96 6 13 FUQ71 125BUV1B 1 97 6 14 FAQ71BUV1B 1 98 6 15 FAQ100BUV1B 1 99 Part 1 System Outline 1 85 ESIE04 01 Wiring Diagrams RZQ71B7V3B 6 2 The illustration below shows the wiring diagram of the unit Wiring diagram 1 99092M1z Jo aq 0 Jas ale Sayoyims Aq paddiys s pun ay ay renuew adas Aq 5 10109 95 ay Jo a
39. 1041009 mirum 810UJ81 PAM pasn Gulag si 31 dn urep ay UayM WSZX WSLX 8 sjeuayew pue jenuew ZSS LSS yams 10199195 our Dunes Jo au WIIJUOD Z enig r18 ejdind e1D AHD DHO MOJA MIA MUM LHM Yg w T8 peu 38 se MOUS sjoqui S 9 019 sHojeyeo pue au Buip1o99e S LA AU p 910N pesn si 15 10 000 pa1eJjur y pajoeuuoo SI WHZX mu Jenueu payoeye eu yun y 0 11 1990009 e1u99 ese UI Z A 5 LI a uaa1b 1eun apoip jur pa1 uo epoip 44817 go uo uong usng PNI pieoq payulid 01U02 qns urelw ju 210990009 Hn feurwuar yams 102295 155 59100 osag LEU 10 pall uorssiusuemeubig LOI 00 EUDIS 0019 8 soja eure WX 3 59195 0 009 eSe d 5 10
40. Part 2 Functional Description 2 19 General Functionality ESIE04 01 1 15 Freeze Prevention Function Purpose In order to avoid formation of ice on the indoor unit heat exchanger in cooling and dry mode the system automatically starts up a freeze prevention cycle when a number of specific conditions are fulfilled Freeze Prevention Freeze prevention start decided by the indoor unit factory setting start conditions m Indoor coil temperature lt 1 C for 40 minutes accumulated amp m Indoor coil temperature lt A C for 1 minute continuous m Compressor is running for minimum 8 minutes since operation start or end of previous freeze up cycle Freeze Prevention Freeze prevention stop decided by the indoor unit factory setting stop conditions m Indoor coil temperature gt 7 C for 10 minutes continuous Parameters FAQ FHQ All except FAQ amp FHQ A 1 C 3 C 5 C Reference Please refer to Outdoor Field Settings in Part 4 Commissioning and Test Run for details on possible use of EDP room settings in case of low latent heat applications See page 4 23 2 20 Part 2 Functional Description ESIE04 01 General Functionality 1 16 PMV Control Outline When the automatic mode is selected on the remote control the unit will automatically activate the control The PMV index is a calculated average comfort level Refer to ISO 7730 for details Function An o
41. pul T 100 Tel 5521 LZ ee 0 Palm Part 1 System Outline 1 92 Wiring Diagrams ESIE04 01 FBQ100 125B7V3B 6 9 The illustration below shows the wiring diagram of the unit Wiring diagram 1 9G09ZMLZ yams n 10 ail n Hy TEILE m goat LCE ES 03u09 aowa Pall Jojeoipui 20 ea 10559290 jeuondo 10002 97091 JO sjiejaq 30 pooloy poyuo ajoway 1 1 400pino 219 5 pue e91uu29 995 5 5 043002 BY 2 yun ay 0 uonoauuoo 104 ajoula1 aui uisn ueuM L 15910 LHM 919 AUD pau 039 nig Md NHH 980 y jg 151010 maas Yes dwe aM 204290007 TI m SIT9S ANEA UO jjo uo a 0Wa 10199000 VOX aardepe 104290007 Burm 10 Jaydepe 101290007 saues snare Ays 10 aoejiaqul 10 39UU09 sped euondo 10 101090009 sse H g unim 10 Jordepy E qns urew Oms 10199199 fejdsip E1519 pinbiy USDISUIS VNL 017915 uresp Aejar
42. 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 0 722 122 0 6 7 54 0 66 7 124 0 64 56 0 61 6 126 0 6 0 48 0 57 0 128 0 5 7 3 104 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 9 Evaluation of abnormal high pressure Abnormally high pressure level is mostly caused by the condenser side The following contents are provided
43. 8 Suspention bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12 Left back drain pipe connection 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Hole of wall for taking out in piping back 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System 1 33 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm gt 5 N S L o 9 ur 5 N jexoeJq uoisuedsns jo 2 SION JO si eoeds p nb ey aBseyosip eu Burso o ueuM ow 10 siiis 10 eoeds 10 zog uorsuedsng i uonisod uorsuedsns eoeds peuinbeu renuew Jeje eseejd eq IM uoroeuuoo edid jo eBreyosip JO 2 16 eui Bulsojo ueuM 2 jo 24 Jejey s peJeJjul JO eui eJeuM SI SIUL 2 yinow uo 5 10 UONEIOT SALON 2
44. ON OFF 1 1 70 75 Discharge pipe temperature Part 2 Functional Description 2 23 General Functionality ESIE04 01 2 24 Part 2 Functional Description ESIE04 01 Indoor Unit Functional Concept 2 Indoor Unit Functional Concept 2 1 What Is in This Chapter Introduction This chapter will explain more details about the various functions that are programmed for the Sky Air R410A inverter indoor units Overview This chapter contains the following topics Topic See page 2 2 Thermostat Control 2 26 2 3 Drain Pump Control 2 27 2 4 Condensation Avoidance Control 2 29 2 5 Draft Avoidance Control 1 2 30 2 6 Draft Avoidance Control 2 2 31 2 7 Fan and Flap Operations 2 32 2 8 Indoor unit fan control 2 33 Part 2 Functional Description 2 25 Indoor Unit Functional Concept ESIE04 01 2 2 Thermostat Control Purpose Thermostat control Based on the information received from the air return sensor the thermostat control will decide the required operation status of the system Cooling mode Set point 0 5K Thermostat ON Thermostat OFF 5 K Heating mode Set point 40 5 K 1K Thermostat OFF Thermostat ON Cool heat changeover in automatic mode Set point 2K l Automatic cooling Automatic heating o t K Preventing The thermostat control prevents the thermostat from turning OFF in the following
45. OR Te lt AC for 1 minute continuous Indoor decision Te lt 1 for 40 minutes accumulated OR Te lt 3 C for 1 minute continuous Outdoor decision Te 1 for 40 minutes accumulated OR Te lt A C for 1 minute continuous Outdoor decision End Te gt 7 C for 10 minutes continuously Indoor decision Te 7 C for 3 minutes continuously OR Te 4 C for 20 minutes continuously Outdoor decision Te 7 C for 3 minutes continuously OR Te 4 C for 20 minutes continuously Outdoor decision Parameters FAQ All except FAQ amp A 1 3 5 Part 4 Commissioning and Test Run 4 31 Field settings ESIE04 01 Graph 1 Target evaporating temperature control in case of factory setting 16 26 2 01 Te target acceptable area Remote control setting temp Te target limitted lt 20 C to protect the comp Te target limitted lt Indoor temp 11 not to rising wetbulb Te target limitted gt Indoor temp 25 Te target limitted gt 2 C not to sweat not to freeze m w Freeze protection 40min integrated coil temp lt 1 C Indoor Temp DB 4 32 Part 4 Commissioning and Test Run ESIE04 01 Field settings Graph
46. System Outline ESIE04 01 PCB Layout 7 11 PCB Connectors FHQ71 125BUV1B X61A X60A X35A The illustration below shows the PCB connectors X33A X11A X27A X10A X5A X24A The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A T1R Transformer primary side X14A 510 Limit switch Swing flap X15A Connector for float switch When installing the drain pump remove the jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A2P X24A is connected when the wireless remote control is used X25A Drain pump option X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System 1 113 ESIE04 01 7 12 FUQ71 125BUV1B P
47. gt existing cause any problem reduction pipe not allowed Check the existing pipe length Longer than 50 m See if the already installed air conditioner can operate and perform a Operation not possible pump down operation Pump down operation not possible Both operation and pump down are possible After 30 minutes of cooling operation proceed with pump down operation without interruption Remove the existing air conditioner Check the compressor of the existing air conditioner for fault records See if the contamination inside the existing pipe is acceptable Rework the flare For R410A See table on page 1 69 Use the supplied flare nut Existing piping work for new air conditioner Notes Oil contamination can be checked using the Daikin Oil Checker Card Caution m f copper piping is corroded existing piping re use is not allowed m Single side thermal insulation is not allowed for re use m See further notes in this section for Twin Triple and Double Twin applications Part 1 System Outline 1 65 1 Functional Diagrams ESIE04 01 Precautions on refrigerant piping Notes for Twin Triple and Double Twin Selection of piping material Do not allow anything other than the designated refrigerant to get mixed into the freezing cycle air moisture If any refrigerant gas leaks wh
48. voeg Dune 10 EM JO 5 y joeg J0 S OU 115 UOMISOg CAYA 01 jou 8111 9 Q O X SYOIMZ x zuuig o peuoege lt y episino WE 1noqe pyepuels ey s 991 2 jo Buimeup ey 01 jeu s JIM uonisod SIU Jo eseo UI 2 16 uonons episui ue ewen s Hun Jo uoneoo SALON 104 DZA uonoeuuoo edid ureiq epis 10014 Z SION eje d purig eoeds sommes 10 10 0092 P S 100 AU 10 HE P ICE LE Hog Part 1 System Outline 1 28 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component 1 Air discharge grille 2 Air suction grille 3 Air filter 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection 7 Earth terminal Inside the electric components box 8 Suspention bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wi
49. 2 4 Malfunctioning Drain System AF Error code LED indications Error generation Causes Troubleshooting AF The table below shows the LED indications Operation HAP green HBP green Normal C C Malfunctioning C C The error is generated when the float switch changes from ON to OFF while the compressor is OFF The possible causes are m Error in the drain pipe installation m Malfunctioning float switch m Malfunctioning indoor unit PCB Are float NO Possible failure of float switch Check to see if drain up height switch and drain pipe normal Is water drainage system normal In FHQ and FAQ problems can also and horizontal pipe length exceed specifications Clogged drain water discharge system Clogged drain pump Faulty float switch Replace indoor unit PCB Check to see if drain up height occur in the optional drain up kit NO Is drain up kit and horizontal pipe length exceed specifications Check jumper connector installed NO Is drain pump X15A normal s amount o circulated drain NO Check drain pump and drain pipe Check water drainage system Check to see if drain up height ater excessive after pump stops Does drain NO water flow reverse and horizontal pipe length exceed specifications Faulty t
50. BE NS dE 12 Low_pres JAF 0 3 13 0 1 Ireerteg Frequenc 41 Hz 14 0 1 0 urit EV 55 pk 15 J j Commesso 220 ON 18 Q 1 Fan spesdiuncer S20 ipm 17 J j Fan spesdiunder 525 pm 18 0 1 308 DEF 18 0 1 205 5 valve DEF 20 Q 1 Drankcase Hese DEF n 21115 61 point 26 2211 Suction temp ze 0 24 4 Hest exchanger 71 gt L ic heo Play period data 5 02 2004 Er 27 00 1 pem a EN Esp F1 Red zl Foevd F4 ra Search 27 Screen 29 Ending condition m 30 seconds have elapsed since start of residual operation OR LP lt 1 bar in cooling m LP lt 0 2 bar in heating 2 16 Part 2 Functional Description ESIE04 01 General Functionality 1 13 Pump Down Operation Outline Procedure Cautions Whenever the units need to be moved or removed perform a pump down operation before disconnecting the field piping By performing a pump down operation all of the refrigerant will be collected in the outdoor unit Procedure Precautions Start Fan only operation from the remote control Confirm that both the liquid and gas stop valves are open Push the pump down button BS1 on the outdoor PCB Compressor and outdoor fan will start automatically Once the operation stops after 3 5 min utes close the liquid gas stop valve first and then the gas stop valve After the Pump Down Operation has been finished the
51. VIEW A SERVICE SPACE NOTE 1 24 Part 1 System Outline ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component 1 Power supply intake 2 Drain connection 3 Gas pipe connection single union 4 Liquid pipe connection single union 5 Filter Part 1 System 1 25 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm gt 5 a eo LO I LL gt 5 LO E o 9 o 5 N dimensions UOJ ey MIA yoeg ur JNO Duer 10 JO UOMISOg D c i a o o 0 ey yoeg 10 Sjou 115 UONSOJ eje d eureu pueig eur eoeds 10 BE uonisod CAYA 01 jou 8111 9 Q O X SYOIMZ x zuuig o peuoejje lt y episino WE jnoqe gt pyepuels ey s 991 2 jo Buimeup ey 01 jeu s JIM uonisod SIU Jo eseo UI 2 16 uonons episui ue
52. X2M Item Description PCB Printed circuit board TIR Transformer CiR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 76 Part 1 System Outline ESIE04 01 Switch Box Layout 5 5 FCQ100 125B7V3B The illustration below shows the switch box layout X2M X1M Item Description PCB Printed circuit board Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 77 Switch Box Layout ESIE04 01 5 6 FFQ35 60BV1B The illustration below shows the switch box layout TIR Item Description PCB Printed circuit board TIR Transformer C1R Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring 1 78 Part 1 System Outline ESIE04 01 Switch Box Layout 5 7 FBQ35B7V1 FBQ125B7V3B The illustration below shows the switch box layout PCB T1R X1M X2M Item Description PCB Printed circuit board TIR Transformer CAR Fan motor capacitor X1M Terminal strip for remote control P1 P2 X2M Terminal strip interconnection wiring Part 1 System Outline 1 79 Switch Box Layout ESIE04 01
53. aldind dud MONA MTA SHUM LHM 118 q3g swoljo se MOUS sioqui S 9 811 pjatus jo aseo ui Hun JOOPU ay 0 P109 JOW JO pjarus Y G Buggauuog 219 6 2 pue uuijuoo 5 5 ay S LA BY y pasn Bulag S 34 si VpzX uomejjejsui payoepe aui uj 99u p1029e pun 0 11 290009 ajouiaJ aseo U z 20429000 E puwa TT 1 T 8910N qun Aejdsipjaniaoey nn 103102 ri ii 1 Py Y a J TAN EE PES ded 8 25 2 2 t FAJIEE IE mM i E S 7 Ul 3 1f peed Ta LIE 3 Yun soopyno ppa ane s uaysew H yun joopu yun wa s s uone1ado snoauej nuiis JO aseo UJ Uns are Ays 20 aveau x Joyauuog VO9X apoip Bunya 146 VL Z6E8E00E 01 U09 58195 tapsmo mdur 0 00 204290009 dnoi6 Jo 9auu0g VGEX 10 Jajdepe 20409000 VEEX sped jeuondo 10 10109 102 195 ssaippe ssajaiim U91IMS 10129 9S qns urew
54. cooling Condition 2 heating Reference The unit will perform the forced thermostat off function in following conditions Thermostat off due to freeze up prevention Prevent the indoor unit heat exchanger from freezing in cooling operation when one of the below conditions is applicable Indoor unit heat exchanger temperature lt 5 C for 1 minute continuously m Indoor unit heat exchanger temperature lt 1 for 40 minutes accumulated Thermostat off due to high outdoor temperature When the outside temperature is gt 30 CDB in heating mode the unit will conduct a forced thermostat off operation to protect the system Freeze Prevention Function Refer to page 2 20 Part 2 Functional Description 2 13 General Functionality ESIE04 01 1 10 Purpose Situation 1 Test run control When operating the RZQ units for the first time after installation the unit will depending on the selected operation mode perform a test run operation first Cooling first operation after installation in Cooling mode Cooling thermostat ON Cooling operation in m Test run mode for minutes Normal cooling operation Situation 2 Cooling first operation after installation in Test run mode Cooling Operation by Cooling
55. crystal remote controls only 1 The operation circuit fuse is disconnected or is making poor contact 2 The operation swich is broken or its contact is defective 3 The high pressure switch is broken 4 The fan motor s magnetic switch is broken 5 The fan motor s overcurrent relay is being actuated or is broken 6 The compressor s overcurrent relay is broken 7 The compressor s protective thermostat is broken 8 The electrical system insulation is defective 9 The compressor s magnetic switch s contact is defective 10 The compressor is broken 15 the remote controls operation lamp blinking Machines equipped with infrared remote controls only Ask for the character code of the malfunction code Jiz Units equipped with infrared remote control only 11 Thermostat is broken 12 The cool heat selector is broken 13 The operation switch is broken 14 The compressor s magnetic swich is broken Is the operation lamp of the indoor unit s signal receiving section blinking YES Units equipped with liquid crystal remote controls only Is the remote controls operation lamp N lin blinking B Cooling Units equipped with infrared remote controls only Is the operation lamp of the indoor unit s signal Heating receiving section blinking Nomal Did you allow 3 YES and On Measure the suctio
56. current sensor When overcurrent has run to power transistor Actuated even by instantaneous overcurrent Faulty compressor coil disconnection poor insulation Compressor startup malfunction mechanical lock Faulty inverter PC board Instantaneous fluctuation of power supply voltage Faulty compressor if bearing is scratched The stop valve is left in closed 3 72 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Check the installation conditions Is the stop valve open Is the compressor coil disconnected or is the insulation defective Open the stop valve Yes Turn the main power supply off and then disconnect the connection between the compressor and inverter e BT Is the inverter output voltage generated approxima ely at the same increasing speed for each phase after turning on again U V V W W U Yes gt Replace the compressor gt Replace the inverter PC board No Check the power supply voltage S instantaneous voltage drop generated Approximate value gt Replace the inverter PC board When operating compressor with compressor output line disconnected the compressor stops due to malfunction after elapsed time of 5 seconds Therefore check the voltage increase for 5 seconds Yes Instantane
57. that are necessary to install the combination Introduction ESIE04 01 1 3 Precautions on handling new refrigerants 1 3 1 Outline About Refrigerant m Characteristics of new refrigerant R410A HOA 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 Single component refrig Composing Non azeotropic mixture Quasi azeotropic mix 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 2 points 8 product Reference 1 Mpa 1 0 19716 kgf cm P f MPa 100 12 125 ded 150 ES E m Emm 22 REESE age ag 350 400 h fF kd kg 50 50 wer A ce ne Keen en cum Quasi azeotropic mixture refrigerant mixture of two or more r
58. 1 10 1 14 35 0 51 0 68 0 78 0 95 1 00 1 02 1 06 1 11 40 0 51 0 67 0 78 0 94 0 96 0 98 1 02 1 06 Note Operation range on indoor side expanded from minimum 12 CWB to 11 CWB when using LH setting Do not use a setpoint below 20 C to avoid operation out of the indoor operation range 11 CWB Be sure to set the indoor fan to high speed Part 4 Commissioning and Test Run 4 35 Field settings ESIE04 01 2 16 Defrost start setting See Defrost Operation on page 2 18 4 36 Part 4 Commissioning and Test Run ESIE04 01 Test Run and Operation Data 3 Test Run and Operation Data Introduction This chapter contains the following information m General operation data m Operation ranges Overview This chapter contains the following topics Topic See page 3 1 General Operation Data 4 38 3 2 Operation Range 4 41 Part 4 Commissioning and Test Run 4 37 Test Run and Operation Data ESIE04 01 3 1 General Operation Data Guide Lines for Optimal Operation Condition Indoor Unit Fan The operation value guide lines when operating under standard conditions at Rated frequency by pushing the test run button on the remote control are as given in the table below H Operation Compressor Rated Frequency High Low Discharge Suction Indoor Unit Outdoor Unit Pressure Pressure Pipe Temperature
59. 13 or 23 First code No 0 If you set the control incorrectly a connection mistake malfunction UA will appear on the remote control display See Malfunctioning Field Setting Switch UA on page 3 94 Set the second code No according to the tables below FHQ Second code No Ceiling suspended type 01 Height lt 2 7m 02 2 7 m lt height lt 3 5 m 03 Not used FAQ Second code No Wall mounted type 01 Normal 02 High 03 Extra high FCQ and FUQ Indoor unit Second code No 4 way outlet 3 way outlet 2 way outlet FCQ35 71 01 lt 27 lt 3 0 lt 3 5 02 lt 3 0 lt 3 3 lt 3 8 03 lt 3 5 lt 3 5 FCQ100 125 01 lt 3 2m lt 3 6m 4 2m 02 lt 36 lt 4 0 lt 4 2 03 lt 4 2 lt 4 2 01 lt 2 7 lt 3 0 lt 35 02 lt 30 lt 35 lt 38 03 lt 35 lt 38 Part 4 Commissioning and Test Run 4 15 Field settings ESIE04 01 2 7 Setting the Filter Counter Mode No 10 or 20 First code No 0 Fan speed OFF when thermostat OFF Fan speed changeover when thermostat OFF Air flow direction setting When the filter counter indication time is set to ON set the second code No according to the table below Unit FCQ FFQ FHQ FUQ FAQ FBQ FDQ Mode No 10 or 20 First code No
60. 3 21 11 Indoor swing flap does not operate See page 3 22 12 Equipment emits odor Room smell and cigarette odors accumu lated inside the indoor unit are discharged with air Inside of the indoor unit must be cleaned 13 Flap operates when power is turned on It is normal The flap initializes for accurate positioning 14 Change of operation mode causes flap to It is normal There is a control function that move moves the flap when operation mode is changed 15 Fan operates in M mode during heating Itis normal It is caused by the activation of even if remote control is set to Low the overload control airflow shift control 16 Flap automatically moves during cooling It is normal It is caused by the activation of the dew prevention function or ceiling soil ing prevention function 17 Indoor unit fan operates in L mode for 1 It is normal The monitoring function forci minute in microcomputer controlled dry bly operates the fan for one minute mode even if compressor is not operating 18 In simultaneous ON OFF multi system It is normal It is caused by a signal trans setup indoor unit sub does not operate in mission lag sync with the other indoor unit main Flat fan etc 19 Indoor unit fan operates after heating oper It is normal The fan operates in the LL ation stops mode for 60 to 100 seconds to dissipate the residual heat in the heater 20 Drain pump operates when equipment 15 It is normal The drai
61. 3 44 tem A6 L1 Indoor unit fan motor lock 3 46 O Malfunction of capacity 3 48 setting C C L1 Malfunctioning heat 3 50 exchanger thermistor sys tem C C C5 L1 Malfuncioning gaspipe 3 50 thermistor system C C C9 L1 Malfunctioning suction air 3 50 thermistor system C C Malfunctioning remote 3 52 control air thermisto 3 34 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 9 2 Outdoor malfunctions Outdoor Unit Remote Location of Malfunction Contents of Malfunction Details of Malfunction Control Malfunction Display iic PC Board Reference Board Outdoor Indoor Remote Page Unit Unit Control EO Activation of protection device 3 54 1 1 Outdoor unit P C board malfunc 3 55 tion E3 Abnormality of high pressure 3 56 HPS E4 Abnormality of low pressure 3 58 outdoor E5 Compressor motor lock malfunc 3 60 tion 7 Malfunction of outdoor unit fan 3 62 motor E9 Malfunction of Electronic expan 3 63 sion valve F3 Discharge pipe temperature 3 65 malfunction H3 Faulty high pressure switch 3 67 HPS H Malfunction of outdoor fan signal 3 68 H9 Malfunction of outdoor air 3 69 temperature sensor sys
62. 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 ESIE04 01 Field settings 2 Field settings 2 1 What Is in This Chapter Introduction This chapter contains the following information m How to change the field settings m The field settings m The factory settings Overview This chapter contains the following topics Topic See page 2 2 How to Change the Field Settings with the Wired Remote Control 4 10 2 3 How to Change the Field Settings with the Infrared remote control 4 12 2 4 Overview of the Field Settings on the Indoor Units 4 13 2 5 Overview of the Factory Settings on the Indoor Units 4 14 2 6 Setting the Ceiling Height 4 15 2 7 Setting the Filter Counter 4 16 2 8 MAIN SUB Setting when Using Two Remote Controls 4 17 2 9 Setting the Centralized Group No 4 18 2 10 The Field Setting Levels 4 20 2 11 Overview of the Field Settings on the Outdoor Units 4 23 2 12 Overview of the Factory Settings on the Outdoor Units 4 25 2 13 Silent Operation 4 26 2 14 Function 4 28 2 15 Setting for Low Humidity Application 4 30 2 16 Defrost start setting 4 36 Part 4 Commissioning and Test Run 4 9 Field settings ESIE04 01 2 2 How to Change
63. ESIE04 01 Outdoor Unit Functional Concept 3 4 2 General Expansion Valve Control Outline Details Control Calculations After the start up control function has been terminated the general expansion valve control function will regulate the expansion valve opening in function of the target suction SH value superheat at evaporator outlet The actual discharge SH value will be used to set the target suction SH value during operation The measured suction SH value will be used to control the opening of the expansion to the target suction SH value When the unit is in cooling or heating operation the opening of the expansion valve will be controlled in order to keep the amount of superheat at the evaporator outlet constant This way the evaporator can be used at maximum efficiency under all conditions The initial target heat exchanger outlet superheat value 5 C The target heat exchanger outlet superheat value can be increased in case the discharge superheat value decreases The target heat exchanger outlet superheat value can be decreased in case the discharge superheat value increases During General expansion valve control 2 parameters will be used to control the actual expansion valve opening degree 1 Target superheat amount When the target heat exchanger outlet superheat gt actual heat exchanger outlet superheat the expansion valve will close When the target heat exchanger outlet superheat lt ac
64. Location on PCB A1P see drawing on next page Part 4 Commissioning and Test Run 4 23 Field settings ESIE04 01 This drawing shows the position of jumper JX5 on PCB A1P DIP switches The table below contains the DIP switch field settings DIP Label Function Details switch DS1 1 ON OFF Switch emergency operation outdoor unit ON OFF See page 2 6 DS1 2 Cool Heat Select cooling heating emergency operation See page 2 6 DS1 3 ON OFF Test purposes only Keep factory setting OFF DS1 4 ON OFF Test purposes only Keep factory setting OFF BS The table below contains the BS field setting BS Label on PCB Function Details BS BS1 Cooling fan only Pump down See page 2 17 Heating Forced defrosting function See page 2 6 4 24 Part 4 Commissioning and Test Run ESIE04 01 Field settings 2 12 Overview of the Factory Settings on the Outdoor Units Factory settings The table below contains the factory settings of all outdoor units 82071 RZQ100 RZQ125 26 0 01 01 01 1 04 04 04 2 01 01 01 3 01 01 01 Part 4 Commissioning and Test Run 4 25 Field settings ESIE04 01 2 13 Silent Operation Purpose Lower the operation sound of the outdoor unit Setting Silent Operation can be activated by 1 Automatic control By field setting from remote control 2 External
65. ON During emergency operation do not attempt to operate the equipment from the remote control The remote control shows 88 while the emergency operation is active on the indoor unit If a safety device is activated during emergency all actuators are turned OFF In cooling the unit runs for 20min and then stops for 10min in order to avoid freeze up of the indoor In heating defrost is activated for 3 minutes once every hour Emergency operation can not be carried out when the PCB board itself is defective Be sure to set the emergency switch on both the outdoor and indoor unit The unit will not regulate the temperature during emergency operation Change the position of the emergency switch only when the power is turned off Part 2 Functional Description General Functionality ESIE04 01 1 4 Outdoor Unit Identification Function Purpose The purpose of the outdoor unit identification function is to enable the indoor unit to automatically determine which operating mode has to be set in function of the type of connected outdoor unit c o or h p Operating modes The possible operating modes are Outdoor unit Operating modes h p m Fan m Cooling m Drykeep m Heating c o m Fan Cooling Dry keep Used input The outdoor unit identification function uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Indoor PCB TC amp RC Out
66. Pipe Temperature 3 65 3 10 Malfunctioning HPS System 3 67 3 11 Malfunction of Outdoor Fan Motor Signal H7 3 68 3 12 Malfunction of Thermistor System H9 J3 J5 J6 3 69 3 13 Malfunction of Suction Pipe Pressure Sensor JC 3 70 3 14 Radiation Fin Temperature Increased L4 3 71 3 15 DC Output Overcurrent Instantaneous L5 3 72 3 16 Electronic Thermal Time Lag L8 3 74 3 17 Stall Prevention Time Lag L9 3 76 3 18 Malfunction of Transmission system Between Control PCB and Inverter 3 78 LC 3 19 Open Phase P1 3 80 3 20 Malfunction of Radiator Fin Temperature Thermistor P4 3 82 3 21 Failure of Capacity Setting PJ 3 84 3 22 Gas Shortage Malfunction UO 3 85 3 23 Abnormal Power Supply Voltage U2 3 86 Part 3 Troubleshooting 3 53 Error Codes Outdoor Units ESIE04 01 3 2 Actuation of Protection Device Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution EO The protection device input circuit checks the actuation of each individual protection device Batch detection of all protection devices m Actuation of outdoor unit protection device m Faulty outdoor unit PC board m Instantaneous power failure Are compressor NO gt Connect the connectors or lead wires correctly connected YES Disconnect the compressor lead wi
67. Pressure control before i i compressor start Starting control i L l 82071 73 Hz Compressor RZQ100 125 107 Hz 55 2071 480 pl i 1 pls I E i i i L I Motorized valve RZQ100 125 i 65 pls i i i L i 4 way valve N Previously ON i i L i L 1 1 OFF Previously OFF l i i i i Ta 26 ON i Outdoor unit fan OFF sac lt 26 i L i i i 2 42 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 2 General Frequency Control Outline After the Starting frequency control function has been terminated the ideal compressor frequency will be determined by the General frequency control General The compressor operation frequency is controlled in order to keep a constant evaporation temperature in cooling and a constant condensing temperature in heating The frequency can be changed every 20 seconds The maximum frequency change 2 steps change max 6 steps min During abnormal situations e g inverter current protection the change per step is also 2 steps change but the 20 seconds interval may be decreased so a quicker change is possible Note When other control functions are activated e g discharge pipe control they can change the compressor frequency using other inputs than the ones normally being
68. SS1 of both remote controls is set to MAIN Control by 2 remote controls Resets normally when power supply is turned off temporarily All indoor unit PCB Microcomputers ormal monitors flashing Yes Set one of the remote controls 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 control Change to double core independent cable Failure of remote control PCB or replacement of defective indoor unit PCB Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 92 Part 3 Troubleshooting ESIE04 01 Error Codes System Malfunctions 4 4 Malfunction of Transmission between MAIN Remote Control and SUB Remote Control U8 Error code U8 Error generation The error is generated when in case of controlling with two remote controls the microprocessor detects that the transmission between the indoor unit and the remote controls MAIN and SUB is not normal over a certain amount of time Causes The possible causes are m Transmission error between MAIN remote control and SUB remote control m Connection among SUB remote
69. System ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm gt m LO a LL Y gt N m LO o 9 LO 5 N uoisu eoeds seuosseooe seuossoooe eu 01 ey 0 jaued sseooe 0 S 1I ey Jo 104 Uejs s oyioeds au jo Buried 2 Part 1 System Outline reuondo Buijejsui 10 HOORNO 18424 L SALON 029 1 18 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote control wiring connection Power supply connection Drain hole Air filter Air suction side BWN Air discharge side E Part 1 System ESIE04 01 General Outline Indoor Units T
70. When the system is operating in emergency it can not control the room temperature Both the indoor and outdoor unit must be set to emergency while the power is off You can end the emergency operation by changing the emergency switch back to normal while the power is OFF Emergency Below table explains what will happen when the switch is set to emergency operation Changing the switch to emergency for the Switches ON the Indoor unit Indoor fan Drain pump Outdoor unit m Compressor m Outdoor fan s How to set To set emergency operation proceed as follows Emergency Operation Step Action 1 Turn OFF the power 2 Switch ON the emergency switch SS1 on the indoor PCB L Normal Emergency 2 6 Part 2 Functional Description ESIE04 01 General Functionality Active components Additional info Step Action 3 Switch ON the emergency switch on the outdoor PCB EMERGENCY ON COOL 1 4 Set the emergency switch on the outdoor PCB to the forced mode you prefer Cooling or Heating EMERGENCY EL Lo Orr TT 5 Turn ON the power supply Component Forced cooling Forced heating Forced defrosting Compressor ON ON ON 4 way valve OFF ON OFF Outdoor unit fan H fan speed H fan speed OFF Indoor unit fan H fan speed H fan speed H fan speed Drain pump ON OFF
71. and back on Yes Normal reset gt Problem could be caused by external factor noise etc other than malfunction Is the electronic expansion valve coil connected to outdoor unit PC board Connect correctly Control ON doesn t th unit operate and is E9 Replace the motorized valve coil Is there difference in temperature before and after solenoid valve Y2S during operation Yes gt Replace the main unit of solenoid valve Y2S 15 coil resistance of electronic expansion valve normal 40 to 500 Replace the electronic expansion valve coil Measure the resistance between each pin of connector and make sure that the restistance ranges between 40 and 50Q Replace the outdoor unit PC board A1P 1 2 Measurement point 3 1 5 2 5 4 3 5 5 45 S2585 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 64 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 9 Malfunctioning in Discharge Pipe Temperature F3 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes F3 Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor m When the discharge pipe
72. circuit breaker is not used on inverter compressor have the circuit breaker replaced Wait until power returns YES Is there power failure NO 15 operation switch pressed repeatedly YES Normal Equipment starts operation 3 minutes later 3 min standby Is Operation lamp on LCD remote control Diagnose based on error code ashing on remote control YES 15 thermostat chan and reset again ged 2 Normal Equipment starts operation 3 minutes later 3 min standby YES Infrared remote control 15 operation lamp on indoor unit signal receiving ection flashing Possibly faulty electric component Check electric system S2575 Diagnose based on error code on remote control Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting Troubleshooting ESIE04 01 1 3 2 Indoor fan operates but compressor does not Applicable Model All models of SkyAir series Method of Malfunction Detection Malfunction Decision Conditions Possible Causes Faulty thermistor Faulty indoor outdoor unit PCB Faulty magnetic switch Faulty power transistor Faulty compressor Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Caution ae cooling operation am heating operation Indoor
73. compressor will be insufficient In order to avoid that the compressor oil will be accumulated in the outdoor unit heat exchanger the upper limit frequency will be decreased Suction SH gt 12 C Normal operation OR Suction SH gt 10 opening degree 480pls Suction SH lt 6 C en R amp Upper limit frequency Maximum frequency Suction SH lt 8 C OR Suction SH lt 10 amp EV opening degree lt 450 pls Suction SH 6 C e Suction SH lt 8 C OR f Suction SH lt 10 C 81 EV opening degree lt 450p Lowering upper limit gt Raising upper limit frequency for 1 step frequency for 1 step every 20 seconds Suction SH gt 12 every 20 seconds OR Suction SH gt 10 C EV opening degree 480pls 2 48 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 7 Inverter Current Protection Control Outline The compressor operating frequency will be restricted in order to prevent an over current to the compressor Inverter current Normal operation Inverter upper limit frequency gt step down current Maximum frequency Compressor frequency Compressor frequency 1 step 6 sec 1 step 2 min Flow chart The condition of Inverter current lt step down current continues for 2 minutes Parameters Outdoor unit heat exchanger temper
74. conditions mermostat m Initial operation for the first 2 5 minutes or conditions m Defrosting or m Forced operating mode Remark The thermostat control will be changed when using field settings for low humidity applications setting 16 26 2 03 amp 16 26 2 04 See Part 4 Commissioning and Test Run for details 2 26 Part 2 Functional Description ESIE04 01 Indoor Unit Functional Concept 2 3 Drain Pump Control Purpose Starting conditions Normal control Float switch activation during thermostat OFF Control the water draining from the drain pan The drain pump control starts the drain pump motor when one of the following conditions is fulfilled m Cooling operation is activated m Abnormal high water level is detected in the drain pan In normal control the drain pump is turned ON at compressor starting and turned OFF 5 minutes after the compressor has stopped residual operation ON Drain pump OFF ON Compressor OFF When an abnormal drain level is detected in the drain pan the float switch opens 1 The thermostat stays forced OFF 2 The drain pump starts to operate for minimum 10 minutes even if abnormality is solved within the 10 minutes 3 If the float switch closes again within 80 seconds cooling operation can restart within the 10 minutes recovery period Water level abnormality Float switch Normal ON Compressor OFF ON OFF Drain pump 5 min
75. connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X15A 51 Float switch X18A R2T Coil thermistor liquid X19A RIT Air thermistor X21A M1F Fan motor power supply X25A Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 110 Part 1 System Outline ESIE04 01 PCB Layout 7 9 FDQ125B7V3B PCB The illustration below shows the PCB connectors X61A X33A X11A X27A X60A X31A X18A X19A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X18A R2T Coil thermistor liquid X19A RIT Air thermistor X21A K1F Magnetic contactor of fan motor X27A X2M Power supply amp communication X31A A3P PCB X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A
76. heating Automatic Thermostat OFF LL heating Remote control OFF LL Indoor drying Thermostat OFF LL Remote conntrolle OFF LL During compressor stop Indoor fan tap Indoor cooling Automatic Thermostat OFF Remote control setting cooling Remote control OFF OFF Indoor heating Automatic Thermostat OFF LL heating Remote control OFF OFF Indoor drying Thermostat OFF OFF Remote control OFF OFF Before compressor startup Indoor fan tap Indoor cooling Automatic cooling Remote control setting Indoor heating Automatic heating OFF Indoor drying L Part 2 Functional Description 2 33 Indoor Unit Functional Concept ESIE04 01 At compressor startup In cooling The indoor fan is operated at low speed until the low pressure value reaches 6 bar m In heating Hot startup controlWhen performing a startup or after the defrosting cycle has been completed the indoor fan will be controlled as to prevent cold air draft and secure the starting performance quick pressure build up Indoor unit fan OFF Heating operation is turend on with remote control Indoor unit fan LL tap Condition is met Indoor unit fan L tap Condition B is met Indoor unit fan M tap Continuing L tap on indoor unit without M tap equipped Condition C is met Indoor unit fan Set fan speed
77. in E2PROM Capacity setting adapter is required only when the PC board was replaced with spare PC board 52601 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 84 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 22 Gas Shortage Malfunction UO Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution UO In test operation Detection by closed stop valve In normal operation Gas shortage is detected according to the discharge pipe temperature In test operation Variations of the indoor unit heat exchange temperature judge whether stop valve is open or closed In normal operation When microcomputer judges and detects gas shortage Gas shortage is not decided repeating retry When INSPECTION button on the remote control is pushed UO is displayed m The stop valve is left in closed m Insufficient refrigerant amount m Clogged refrigerant piping system NO Open the stop valve Is the stop valve open Is the refrigerant amount appropriate NO Collect refrigerant After vacuum drying is complete charge a appropriate amount of refrigerant Check the refrigerant piping system for clogging For RZQ71 125 models gas shortage alarm is indicate
78. m Technical specifications m Electrical specifications m Electrical data Outdoor units This chapter contains the following specifications Specifications See page 3 2 RZQ71 RZQ100 and RZQ125 1 44 Indoor units This chapter contains the following specifications Specifications See page 3 3 FCQ 1 47 3 4 FFQ 1 48 3 5 FBQ 1 49 3 6 FDQ 1 50 3 7 FHQ 1 51 3 8 FUQ 1 52 3 9 FAQ 1 53 Part 1 System 1 43 Specifications ESIE04 01 3 2 RZQ71 RZQ100 and RZQ125 Technical specifications The table below contains the technical specifications Specification RZQ71B7V3B RZQ100B7V3B RZQ125B7V3B Model 2YC63BXD JT100FCVD Type Hermetically sealed swing com Hermetically sealed scroll compressor pressor Compressor Crankcase heater 33 W Motor output 1800 W 2200 W Speed Length 866 mm 857 mm No of rows 2 Fin pitch 2 00 mm No of passes 5 10 Face area 0 648 m 1 131 m Heat exchanger No of stages 34 60 Tube type Hi XSS 8 Fin type Non symmetric waffle louvre Fin treatment Anti corrosion treatment PE Empty tubeplate hole 0 Type Propeller Discharge direction Horizontal No of fans 1 2 Nominal air flow rate 230 V cooling 54 50 m min 103 00 m3 min 99 00 m min Nominal air flow rate 230 V heating 48 10 m3 min 101 00 m min 100 00 m3 min iai Fan moto
79. mittere ttt dte ate 4 28 2 15 Setting for Low Humidity Application ennen nennen nennen 4 30 2 16 Defrost startssettirig ue get a eten 4 36 3 Test Run and Operation Data 3 1 General Operation 4 38 3 2 Operation Range 4 41 Table of Contents vii ESIE04 01 Part 5 Disassembly and Maintenance 1 Disassembly and Maintenance Outdoor Units 1 1 What Is in This Chapter ceceeeceeseeeeeceneeceeeeeaeeeseeseaeeeseessaeeneeesaeeeas 5 3 1 2 RZQ715125B7V9B Asie aoi eet i dele 5 4 2 Disassembly and Maintenance Indoor Units 2 1 What Is in This Chapter essseseseeeeeeenenneenneeneennneen ne 5 17 2 2 FCQ35B7V1 FCQ71B7V3B nnen enneenr ennen enneerenneereennenenn 5 18 2 3 FCGQ100 125B7V SB iren hte eite ette e aa been 5 20 2 4 FBQ35 50B7Mi ttt ceci ne coegit reet ree et eens 5 22 2 5 FBQ60B7V1 FBQYTBZ7V3B nee ere etes 5 24 2 6 EBOT00 125B7V9B istius dien Usi 5 26 2 7 ANLE aue cuc tata 5 28 2 8 FFQ35 60BV1B 5 AE REIN 5 30 2 9 FHOS5 125BUVT B sca eee cet e verdad 5 67 2 10 FUOTI T25BUVIB z rt REPE UENIRE INS 5 82 2 11 FAQ71BUVTB uie eit tete etis in iur ixi eren 5 99 2 12 et eeepc eve deri tee ans 5 110 viii Table of Contents ESIE04 01 Introduction 1 Introduction 1 1 About T
80. operation in Cooling operation in Test run button B Test run mode for forced thermostat minutes ON Situation 3 Heating first operation after installation in Heating mode Heating thermostat Cooling operation in Normal heating ON test run mode for 3 operation minutes Situation 4 Heating first operation after installation in Test run mode Heating Operation by Cooling operation in Heating operation in Test run button test run mode for 3 forced thermostat minutes ON Remarks m When running in test run mode the unit will sense on site installation parameters e g failure to open stop valves and indicate the applicable malfunction code if required m lf the remote control shows E4 or L8 as an error code there is possibility that either the stop valve is closed or the air flow outlet is obstructed m Check the inter unit branch wiring connection 1 2 3 wiring when the error code U4 or UF is displayed on the remote control m This Test Run Control function is only performed after first power on at installation or after first power on after a pump down by using the pump down switch is 2 14 Part 2 Functional Description ESIE04 01 General Functionality 111 4 way Valve Control 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 switchin
81. refrigerant pipe connection diameters Model Gas pipe flare Liquid pipe flare FCQ35B7V1 9 5mm 6 4mm FCQ50 60B7V1 12 7mm 6 4 mm FCQ71 125B7V3B 15 9 mm 9 5 mm FFQ35BV1B 9 5 mm 6 4 mm FFQ50 60BV1B 12 7 mm 6 4 mm FBQ35B7V1 9 5 mm 6 4 mm FBQ50 60B7V1 12 7 mm 6 4 mm FBQ71 125B7V3B 15 9 mm 9 5mm FDQ125B7V3B 15 9 mm 9 5 mm FHQ35BUV1B 9 5 mm 6 4 mm FHQ50 60BUV1B 12 7 mm 6 4 mm FHQ71 125BUV1B 15 9 mm 9 5 mm FUQ71 125BUV1B 15 9 mm 9 5 mm FAQ71 100BUV1B 15 9 mm 9 5mm 1 64 Part 1 System Outline ESIE04 01 Functional Diagrams 4 8 Re using existing field piping Introduction When installing a system using an RZQ outdoor unit existing or pre installed piping can be used according to below specified conditions In all circumstances where these conditions can not be fully met new piping has to be installed How to re use existing piping Check the existing Non standard Check the existing pipe size and thickness gt pipe size size referring to the 1 SELECTION OF PIPING MATERIAL on page 1 66 Standard size Check the following item in 2 REFRIGERANT PIPE SIZE and 3 ALLOWABLE PIPE LENGTH AND Beyond HEIGHT DIFFERENCE on page 1 67 allowable gt length range See if the length requirements for re using the existing piping are as specified Reuse All satisfactory Nee of See if the reduction of cooling capacity may for capacity
82. shows the wiring diagram of the unit Wiring diagram ALAN GEL 001 2064 enig r18 AID aldind dyd MOJA MIA HUM LHM ORIG Deu 39 se MOUS sioqui S 9 p pue uus 10 jeuonerppe eur pue YG LX Jo ayy LIN dwnd ureip ay aseo 6 Bunoeuuoo aja pue wajsks uoneuiquioo 34 0 S LA aJOWA au p pesn 1 paeau BU SI VpZX E Jenuew uomej ejsur ay YM Ul p 581168 HUN ay 0 29 0 3u02 JOWA Duisn 9529 UI Z Ays 10 E 1 204290009 pisino indui 330 00 yun Aejdsip sontooag 101990002 201990007 TF dnoJ5 101990007 10 Jaydepy Jonuo 20 29 007 2 0 Wa LI dund 101280002 peog pad dev VIX _ peog Y09X 1 1 2 1 101002 PAM VOpx ans UIen yams 1029095 199 zorstuwouL 1 VGEX 1041009 Pall T 0151 50 20015 VEEX Jonaoar DH VS2X
83. temperature rises to an abnormally high level m When the discharge pipe temperature rises suddenly Faulty discharge pipe thermistor Faulty connection of discharge pipe thermistor Insufficient refrigerant amount Faulty compressor Disconnection of discharge pipe temperature thermistor piping Part 3 Troubleshooting 3 65 Error Codes Outdoor Units ESIE04 01 Troubleshooting Is the discharge pipe Yes temperature high See 1 No Is the discharge pipe thermistor No gt Abnormality in refrigerant system such as gas shortage faulty compressor etc Conduct inspection correctly connected Is the discharge pipe No gt Connect correctly and operate the unit again thermistor attached to the discharge pipe Is the discharge pipe thermistor characteristic normal 2 gt Attach the thermistor and operate the unit again Replace the discharge pipe thermistor 1 Temperature varies depending on model type gt Replace the outdoor unit PC board Model name Temperature RZQ71 110 C RZQP100 125 115 C 2 See ee S MP for Thermistor temperature Resistance characteristics S2586 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 66 Part Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 10 Malfunction
84. the capacity of the unit B T T T 1 50 4 Relative 40 Humidity en 30 4 ea ney nn ELE 20 qoM pelle TEE AO RA o Setting is only allowed in this area 20 Fr 24 3B 28 30 Indoor side temperature When using the LH settings outside the Low Humidity Area there is an increased risk of ice accumulation on the indoor coil or water blowing out from the indoor unit 4 30 Part 4 Commissioning and Test Run ESIE04 01 Field settings Function details Factory setting Low humidity application setting Low humidity application freeze up operation pre vention Field Setting 16 26 2 01 16 26 2 03 16 26 2 04 Compressor control m The compressor frequency is controlled in function of the target evaporating temperature m The target evaporating temperature is controlled in function of the cooling load Minimum target Te 2 C See graph 1 Minimum target Te 0 C See graph 2 Initial minimum target Te 2 C but can be changed in function of actual Te to avoid freeze up activation m Te lt 1 for 20 minutes accumulated gt Change target gt 5 C m Te lt 1 for 30 minutes accumulated gt Change target Te gt 8 C See graph 3 Freeze protec Start tion function Te lt 1 C for 40 minutes accumulated
85. thermistor R4T Suction pipe thermistor RST Power module fin 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 3 102 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 7 Resistance Conversion Table Ambient Coil Fin Temperature The table below is the thermistor R1T and R2T temperature resistance conversion table resistance Temp B Temp 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 17 166 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
86. this unit the radiator fin temperature thermistor cannot be mantled dismantled independently Replace by inverter PC board 3 See 80 Thermistor temperature Resistance characteristics S2600 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 83 Error Codes Outdoor Units ESIE04 01 3 21 Failure of Capacity Setting Remote Control Display Method of Check whether set value written E PROM at factory or set value of capacity setting adaptor for Malfunction replacement is the same as outdoor unit capacity Detection Malfunction When the set value on E2PROM differs from the outdoor unit capacity or a capacity setting adaptor Decision except for PC board applicable models is installed Malfunction decision is made only when turning Conditions the power supply on Supposed Causes m Improper set value of 2 m Improper capacity setting adaptor m Faulty outdoor unit PC board Troubleshooting Is the capacity setting adapter CN26 connected to outdoor unit PC board Note o Connect the adapter for the applicable model YES Make sure that the combination of connected capacity setting adapter If incorrect correct the combination CN26 is correct Note Capacity setting adapter is not connected at factory Capacity is written
87. used by the General frequency control function Cooling In cooling the target operation frequency will be determined by the indoor At and the evaporating temperature At cool Remote control set temperature Indoor return air temperature Depending on the cooling load the target evaporating temperature Te will be a value between 2 C lt lt 20 Heating In heating the target operation frequency will be determined by the indoor At and the condensing temperature At heat Indoor return air temperature Remote control set temperature Depending on the heating load the target condensing temperature Tc will be a value between 42 lt Tc 51 Part 2 Functional Description 2 43 Outdoor Unit Functional Concept ESIE04 01 Frequency steps The operating frequency for the sky air RZQ inverter units will be a value chosen from a list with fixed frequency settings that is programmed in the unit s memory Step No Compressor operation frequency RZQ71B RZQ100 125B 1 38Hz 41Hz 2 41Hz 44Hz 3 44Hz 48Hz 4 48Hz 52Hz 5 52Hz 57Hz 6 57Hz 62Hz 7 62Hz 67Hz 8 67Hz 73Hz 9 73Hz 78Hz 10 79Hz 84Hz 11 85Hz 90Hz 12 91Hz 94Hz 13 97Hz 98Hz 14 103Hz 102Hz 15 109Hz 107Hz 16 116Hz 112Hz 17 122Hz 117Hz 18 128Hz 123Hz 19 134Hz 131Hz 20 141Hz 139Hz 21 148Hz 147Hz 22 155Hz 155Hz 23 162Hz 164Hz 24 169Hz 174Hz 25 177H
88. you to connect a gauge service port 11 Low pressure switch The low pressure switch stops the operation of the unit when the pressure becomes abnormally low 12 High pressure switch The high pressure switch stops the operation of the unit when the pressure becomes abnormally high 13 Propeller fan and fan The propeller fan creates air displacement across the heat exhanger motor 14a 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 14b The one way valve is used to release overpressure in the liquid receiver during stand still 15 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 16 Muffler The muffler is used to absorb the refrigerant noise from the compressor 17 Solenoid valve Y1S Capacity control solenoid valve Y3S Liquid injection solenoid valve SV Solenoid valve Purge liquid receiver 18 Thermistor Air thermistor R2T Coil thermistor RST Discharge pipe thermistor 19 Branch pipe Part 1 System 1 71 ESIE04 01 1 72 Part 1 System Outline ESIE04 01 Switch Box Layout 5 Sw
89. 00W 1 50 Part 1 System Outline ESIE04 01 Specifications 3 7 FHQ Technical The table below contains the technical specifications specifications Specification FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B Heat exchanger Rows x stages x fin pitch 3x 12x 1 75 Face area 0 182 m 0 233 m 0 293 m 0 341 m Tube type N Hix Fin type Multi louver Fan Air flow rate cooling high 17 0 m min 24 0 30 0 m3 min Air flow rate cooling low 14 0 m min 20 0 m min 25 0 m min Air flow rate heating high 13 0 m3 min 16 0 m3 min 17 0 m3 min 24 0 m3 min 30 0 m3 min Air flow rate heating low 10 0 m3 min 13 0 m3 min 14 0 m3 min 20 0 m3 min 25 0 m3 min Qty x model 3 x 3D12K1AA1 4 x 4D12K1AA1 3 x 3D12K2AA1 4 x 4D12K2AA1 Fan speed 2 steps Fan type Sirocco Refrigerant Type R410A Safety and functional devices Air filter Temperature control Insulation Heat Foamed polystyrene Foamed polyethylene Sound absorbing Foamed polyurethane Glass wool Weight Unit 24 kg 25 kg 27 kg 32 kg 35 kg Gross 31 kg 32 kg 35 kg 41 kg 45 kg Electrical The table below contains the electrical specifications specifications Specification FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B Unit Phase d Voltage 220 240 V Frequency 50Hz Fan motor FLA Full load amps 0 6A 0 7A Power consumption 111W 115W 117W 135 W 144 W No of mot
90. 01 Troubleshooting 1 5 Fault diagnosis by Wired Remote Control If operation stops due to malfunction the remote control 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 30 for malfunction code and malfunction contents Explanation Operation lamp Indoor unit No in which a malfunction occurs _Inspection test button Malfunction code Inspection display Part 3 Troubleshooting 3 25 Troubleshooting ESIE04 01 1 6 Fault diagnosis by Infrared remote control Introduction Contrary to the wired remote control the infrared remote control 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 ON OFF DOWN iQ FAN RESERVE CANCEL TIMER MODE AS SWING INSPECTION TEST 3 26 Part 3 Troubleshooting ESIE04 01 Troubleshooting Step Action 2 Press the UP or DOWN button and change the UNIT No unt
91. 100B7V3B 8 FBQ125B7V3B 1 22 2 8 FDQ125B7V3B 1 24 2 9 FHQ35BUV1 amp FHQ50BUV1 1 26 2 10 FHQ60BUV1 amp FHQ71BUV1B 1 28 2 11 FHQ100BUV1B 1 30 2 12 FHQ125BUV1B 1 32 2 13 FUQ71BUV1B 1 34 2 14 FUQ100 125BUV1B 1 36 2 15 FAQ71BUV1B 1 38 2 16 FAQ100BUV1B 1 40 Part 1 System Outline 1 11 ESIE04 01 Indoor Units General Outline mm The illustration below shows the outlook and the dimensions of the unit e gt LL H m gt N m LO o 9 5 N Imensions d AYOW HO WW 002 SI JOVdS Qauino3u JHL 35070 SI 71189 IHL N3HM 39VdS NOILVTIVLSNI qQ3Hlnio3H JO WWO 5 weo aua AyjaAjod pesinbes si jeuonippe ue Bulao ay ojur SI JO y UI 08 HH PU 2 06 y ueuM sjrejep 10 ey jo eui Jeje euDis e eq Siu jo1uoo jo eseo UI 2 JO uonoeuuoo yonp uoueig ooeds F ded 58 pese 8 x BE as ol ELE HE BE Mt jnp uoueg uonisod uolsuadsns ize Buruedo
92. 2 8 4 A RZQ100 125B 22 A 17 6 A 17 0 A 10 0 A 2 50 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 9 Inverter Cooling Fin Temperature Control Outline This control will restrict the compressor upper limit frequency in order to protect the electronic components in the switch box from overheating L4 error activation By lowering the compressor frequency the current drawn by the compressor will be reduced and as a result the temperature inside the switch box will drop Flow chart 7 Inverter fin temperature gt A C Normal operation gt Compressor frequency 1 step 6 sec Compressor frequency Inverter upper limit frequency 1 step 2 min Fin Temperature Maximum frequency lt lasts for 2 minutes Parameters RZQ71B RZQ100 125B 82 90 B C 79 C 87 Part 2 Functional Description 2 51 Outdoor Unit Functional Concept ESIE04 01 3 3 10 Pressure Difference Control Outline To ensure the compression ratio pressure difference between high and low pressure at low outdoor temperature conditions in cooling mode and high outdoor temperature conditions in heating mode the outdoor fan and target compressor frequency may be varied Cooling to secure the differential pressure between high and low pressure In cooling low ambient conditions the outdoor f
93. 2 Target evaporating temperature control when low humidity application is selected Field setting 16 26 2 03 Te target acceptable area Remote control setting temp Te target C Te target limitted lt 20 to protect the comp Freeze protection 40min integrated coil temp lt 1 C Indoor Temp C DB Part 4 Commissioning and Test Run 4 33 Field settings ESIE04 01 Graph 3 Target evaporating temperature control when low humidity application freeze up operation prevention is selected Field setting 16 26 2 04 Te target acceptable area Remote control setting temp Te target C Te target limitted lt 20 C aj to protect the comp Te target limitted gt 2 C not to freeze eemmanrvmansnvnnsnrrbsanrrviseermaanrevnntvmansnrmsenrvesermderrvasssmaasnrmnrrdbasrr Freeze protection 40min integrated coil temp lt 1 C Indoor Temp C DB Change thermostat In order to increase continuous operation of the unit in low latent heat applications and avoid the rise control of temperature after thermostat OFF the thermostat control will be changed when using field settings 16 26 2 03 amp 16 26 2 04 Thermostat ON m A Trs gt 0 5 No change from standard setting Thermostat OFF m A Trs lt 2 0 C for 5 minutes continuously m ATrs lt 4 5 4 34 Part 4 Commissioning and Test Run ESIE04 01 Field settings
94. 21 2 21 2 30 19 4 19 4 0 07 0 07 0 3 0 3 0 062x2 0 6x2 FHQ35BUV1Bx3 RZQ100B7V3B 50 230 21 8 21 8 30 19 4 19 4 0 07 0 07 0 3 0 3 0 062x3 0 6x3 FAQ100BUV1B RZQ100B7V3B 50 230 20 4 20 4 30 19 4 19 4 0 07 0 07 0 3 0 3 0 049 0 4 FUQ100BUV1B RZQ100B7V3B 50 230 21 1 211 30 19 4 19 4 0 07 0 07 0 3 0 3 0 090 11 FCQ125B7V3B RZQ125B7V3B 50 230 25 0 25 0 30 23 4 23 4 0 07 0 07 0 3 0 3 0 090 1 0 FCQ60B7V1x2 RZQ125B7V3B 50 230 25 2 25 2 30 23 4 23 4 0 07 0 07 0 3 0 3 0 045x2 0 6x2 FCQ50B7V1x3 RZQ125B7V3B 50 230 25 8 25 8 30 23 4 23 4 0 07 0 07 0 3 0 3 0 045x3 0 6x3 FCQ35B7V1x4 RZQ125B7V3B 50 230 26 4 26 4 30 23 4 23 4 0 07 0 07 0 3 0 3 0 045x4 0 6x4 FFQ60BV1Bx2 RZQ125B7V3B 50 230 25 4 25 4 30 23 4 23 4 0 07 0 07 0 3 0 3 0 055x2 0 7x2 FFQ50BV1Bx3 RZQ125B7V3B 50 230 26 1 26 1 30 23 4 23 4 0 07 0 07 0 3 0 3 0 055x3 0 7x3 FFQ35BV1Bx4 RZQ125B7V3B 50 230 26 4 26 4 30 23 4 23 4 0 07 0 07 0 3 0 3 0 055x4 0 6x4 FBQ125B7V3B RZQ125B7V3B 50 230 25 4 25 4 30 23 4 23 4 0 07 0 07 0 3 0 3 0 225 1 4 FBQ60B7V1x2 RZQ125B7V3B 50 230 ME 25 8 25 8 30 23 4 23 4 0 07 0 07 0 3 0 3 0 125x2 0 9x2 FBQ50B7V1x3 RZQ125B7V3B 50 230 26 1 26 1 30 23 4 23 4 0 07 0 07 0 3 0 3 0 085x3 0 7x3 FBQ35B7V1x4 RZQ125B7V3B 50 230 26 0 26 0 30 23 4 23 4 0 07 0 07 0 3 0 3 0 065x4 0 5x4 FHQ125BUV1B RZQ125B7V3B 50 230 24 7 24 7 30 23 4 23 4 0 07 0 07 0 3 0 3 0 130 0 7 FHQ60BUV1Bx2 RZQ125B7V3B 50 230 25 2 25 2 30 23 4 23 4 0 07 0 07 0 3 0 3 0 062x2 0 6x2 FHQ50BUV1Bx3 RZQ125B7V3B 50 230 25
95. 3 60 3 7 Malfunction of Outdoor Unit Fan Motor E7 3 62 3 8 Malfunction of Electronic Expansion Valve E9 3 63 3 9 Malfunctioning in Discharge Pipe Temperature F3 3 65 3 10 Malfunctioning HPS System sse H3 3 67 3 11 Malfunction of Outdoor Fan Motor Signal H7 3 68 3 12 Malfunction of Thermistor System H9 J3 J5 J6 3 69 3 13 Malfunction of Suction Pipe Pressure Sensor JC 3 70 3 14 Radiation Fin Temperature Increased 14 3 71 3 15 DC Output Overcurrent Instantaneous Lb 3 72 3 16 Electronic Thermal Time Lag e 68 3 74 3 17 Stall Prevention Time Lag esee L9 3 76 3 18 Malfunction of Transmission system Between Control PCB and Inverter PCB LC 3 78 3 19 Open Ph se eed er adipe Do Ere ee P1 3 80 3 20 Malfunction of Radiator Fin Temperature Thermistor P4 3 82 3 21 Failure of Capacity Setting nennen nennen nennen eener PJ 3 84 3 22 Gas Shortage Malfunction U0 3 85 3 23 Abnormal Power Supply Voltage U2 3 86 4 Error
96. 37 Part 4 Commissioning and Test Run 4 1 ESIE04 01 Part 4 Commissioning and Test Run 251204 01 Pre Test Run Checks 1 Pre Test Run Checks 1 1 What Is in This Chapter Introduction This chapter contains the following information m Checks before test run m Test run checks Setting the address for the receiver of the infrared remote control Setting the address for the infrared remote control Overview This chapter contains the following topics Topic See page 1 2 Test Run Checks 4 4 1 3 Setting the Infrared remote control 4 5 Part 4 Commissioning and Test Run 4 3 Pre Test Run Checks ESIE04 01 1 2 Checks before test run Test run checks Test Run Checks Before carrying out a test run proceed as follows Step Action 1 Make sure the voltage at the primary side of the safety breaker is m 230V 10 2 Fully open the liquid and the gas stop valve To carry out a test run check the following m Check that the temperature setting of the remote control is at the lowest level in cooling mode or use test mode Go through the following checklist Checkpoints Cautions or warnings Are all units securely installed m Dangerous for turning over during storm m Possible damage to pipe connections Is the earth wire installed according to the applicable local standard Dangerous if electric le
97. 39S Ini uajs s uoneurquioo ay 0 Durp1099e 0 002 au Z HE ii Tel SUM LHM 1919 AUD LE pay 038 ong mg 940 MIA 1610102 Aossaage jeuondo 10009 REE yo pesos xoyaeuuo2 aardepe 104290007 Ays 10 Ja depe 92e 19jul 10129000 WLOX YOOX sped jeuoljdo 10 103990005 KejeroneuDe Ja 9A 10 q Jesuopmbri doi JUN ey 0 uonoeuuoo 10 aas JOWA eu Dursn L 59101 B du BIM 20290005 pus oro NEN duind urerp Aejar 109 pes ropruour anas 1467 uong 11023009 paads ue 0 00 258 10129J8s uomejado bumas einjeJeduis 6 Jooput Joopjno Sel 09 09 9 Pi 1023009 1 99 0 90295 apoq urug 14671 peppequi JHN 0 291 esn jeway 1 91 Part 1 System ESIE04 01 The illustration below shows the wiring diagram of the unit FBQ71B7V3B Wiring Diagrams Wiring diagram 6 8 L 9E09EMLE uos Tm 3 1
98. 3y 99uepJ029e ul HUN 011 3290009 0400 9522 U Z i Mi eiseu yun Joopu ulgjs s uoneJado snoauej nulls JO SLI U 5 yun 1 7 gAL FL tun 100 1 OL 1 n pie jj 101290002 mr rz S860N J00pino HBBETDGE qng urej uos 20309198 155 joisiuneu 118 101 U09 910UJ8J PAM sardepe dno15 101280002 VGEX 360 3 10109 009 YG LX abuero 1s01j9p epoip ume 4 183 epoip yo deH eporp unya yo epoip 167 dLH Lsa PIU dev pseog PIU 01 s aowa en E n3119 uoissiuisueJ IT noo 19 9991 eUDIS Ig 10915 jemod Sd x9o q 490 q feUIWIAL 20199 LSS i109 128 20451 LLY dey S LIN 10 JOJO uaa 101 391 Cee Due dub gw noo 1 98 Part 1 System Outline Wiring Diagrams ESIE04 01 FAQ100BUV1B 6 15 The illustration below shows the wiring diagram of the unit Wiring diagram pun
99. 5 88 19 7 19 4 3 4 19 05 24 0 23 3 viii ESIE04 01 Introduction Torque wrench m Differences 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 Ve m 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 m Differences Change of dimension B Only 1 2 5 8 are extended For class 1 R407C For class 2 R410A Dimension B Introduction ESIE04 01 Vacuum pump with check valve Leak tester Refrigerant oil Air compal Vacuum pump adaptor Reverse flow preventive vacuum adaptor Specifications Discharge speed Maximum degree of vacuum 50 l min 50Hz 100 7 5 torr 755 mmHg 60 l min 60 2 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 m Specifications
100. 50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B RZQ71B7V3B RZQ100B7V3B RZQ125B7V3B The table below contains the possible combinations between indoor units FDQ FHQ FUQ and FAQ and outdoor units of the Sky Air RZQ series RZQ71B7V3B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B FUQ71BUV1B FUQ100BUV1B FUQ125BUV1B FAQ71BUV1B FAQ100BUV1B gt gt 2 2 o o I I FHQ60BUV1 RZQ100B7V3B gt LO N x LL RZQ125B7V3B ESIE04 01 Introduction Combination Matrix Possible indoor combination Simultaneous operation Outdoor models Twin Triple Double Twin oa OUT Er E _ IN IN IN 1 IN IN IN IN IN 35 35 RZQ71B7V3B KHRQ22M20TA7 50 50 35 35 35 RZQ100B7V3B KHRQ22M20TA7 KHRQ127H7 60 60 50 50 50 35 35 35 35 RZQ125B7V3B KHRQ22M20TA7 KHRQ127H7 3 x KHRQ22M20TA7 Notes Possible indoor types m FCQ35 60 m FFQ35 60 FHQ35 60 FBQ35 60 When different indoor models are used in combination designate the remote control that is equipped with the most functions as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on less functions are on FBQ Between brackets are the required Refnet kits mentioned
101. 5W 1 48 Part 1 System Outline ESIE04 01 Specifications 3 5 FBQ Technical specifications The table below contains the technical specifications Specification FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B Heat exchanger Rows x stages x fin pitch 14x 1 75 Face area 0 132 m 0 221 m 0 338 m Tube type HI XA diam 7 Hi XSS diam 7 Fin type Rhombus Fan Air flow rate cooling high 14 0 m3 min 19 0 m3 min 19 0 m3 min 27 0 m3 min 35 0 m min Air flow rate cooling low 10 0 m min 14 0 m min 14 0 m min 20 0 m min 24 0 m3 min Air flow rate heating high 14 0 19 0 19 0 27 0 m min 35 0 m min Air flow rate heating low 9 0 m min 10 0 m3 min 14 0 m3 min 14 0 m3 min 20 0 m min 24 0 m min Qty x model 2x 3x Fan speed 2 steps 3 steps direct drive Fan type Sirocco Refrigerant Type R410A Safety and functional devices i Fan motor thermal use Air filter Resin net with mold resistant Optional Temperature control Computerized control Microprocessor thermostat for cooling and heating Insulation Heat Both liquid and gas pipes Sound absorbing Flame and heat resistant foamed Foamed polyethylene regular foamed Polyurethane polyethylene and foamed PU Weight Unit 30 kg 31 kg 41 kg 41 kg 51 kg 52 kg Gross 41 kg 42 kg 50 kg 47 kg 58 kg 59 kg Electrical The table below contain
102. 8 25 8 30 23 4 23 4 0 07 0 07 0 3 0 3 0 062x3 0 6x3 FHQ35BUV1Bx4 RZQ125B7V3B 50 230 26 4 26 4 30 23 4 23 4 0 07 0 07 0 3 0 3 0 062x4 0 6x4 FUQ125BUV1B RZQ125B7V3B 50 230 25 1 25 1 30 23 4 23 4 0 07 0 07 0 3 0 3 0 090 11 FDQ125B7V3B RZQ125B7V3B 50 230 28 2 28 2 30 23 4 23 4 0 07 0 07 0 3 0 3 0 500 4 2 Part 1 System 1 45 Specifications ESIE04 01 Symbols Notes MCA Min Circuit Amps TOCA Total Over current Amps MFA Max Fuse Amps see note 7 MSC Max current during the starting compressor 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 Power supply 50Hz 230V Indoor temp cooling 27 C DB 19 0 C WB Indoor temp heating 20 0 C DB Outdoor temp cooling 35 0 C DB Outdoor temp heating 7 0 C DB 6 0 C WB TOCA means the total value of each OC set Voltage range Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Maximum allowable voltage variation between phases is 2 MCA represents maximum input current MFA represents capacity which may accept MCA Next lower standard fuse rating minimum 15A Select wire size based on the larger value of MCA or TOCA MFA is used to select the circuit breaker and the ground fault ci
103. 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 Applicable sensors Indoor R1T R2T R3T Outdoor R1T R2T RAT B Outdoor R5T Part 3 Troubleshooting 3 103 Additional Checks for Troubleshooting ESIE04 01 5 8 R3T Resistance Conversion Table Discharge Pipe Sensor Temperature The table below is the thermistor R3T temperature resistance conversion table resistance Temp Resist Temp Resist Temp Resist C 60 0
104. B Unit Phase 1 Voltage 230V Frequency 50 Hz Fan motor FLA Full Load Amps 0 6A Power consumption 140 W No of motors x output 1x45 Part 1 System 1 47 Specifications ESIE04 01 3 4 FFQ Technical The table below contains the technical specifications specifications Specification FFQ35BV1B FFQ50BV1B FFQ60BV1B Heat exchanger Rows x stages x fin pitch 2x10x1 5 Face area Tube type HiXSS diam 7 Fin type Multi louver fin Fan Air flow rate cooling high 10 0 m3 min 12 0 m3 min 15 0 m min Air flow rate cooling low 6 5 m min 8 0 m3 min 10 0 m min Air flow rate heating high 10 0 m min 15 0 m3 min Air flow rate heating low 6 5 m3 min 10 0 m3 min Qty x model 1x D16P52A23 Fan speed 2 steps Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Air filter Temperature control Microcomputer control Insulation Heat Both liquid and gas pipes Sound absorbing Weight Unit 17 5 kg Gross 21 kg Electrical The table below contains the electrical specifications specifications Specification FFQ35BV1B FFQ50BV1B FFQ60BV1B Unit Phase 1 Voltage 230V Frequency 50 Hz Fan motor Running current cooling 0 40 A 0 49 A 0 61 A Running current heating 0 36 A 0 56 Power consumption cooling 84 W 97 W 120 W Power consumption heating 76 W 111 W No of motors x output 1x5
105. B Hz 62 Hz 62 Hz 2 46 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 5 Discharge Pipe Temperature Control Outline The compressor operating frequency will be controlled in order to avoid abnormal high compressor temperatures see also expansion valve control Flow chart Normal operation e Td lt ATC Upper limit frequency Maximum frequency Compressor upper limit frequency Compressor upper limit frequency 1 step 20 sec 1 step 1 min al gt 300 Td lt B C OR Td AC Td DC OR TASB Compressor upper limit frequency 5 min elapsed 79 Hz RZQ71 62 Hz RZQ100 amp 125 2 E C continues for minutes Td2F C 10 times or less stopping 200 minutes Compressor stop Stopped 11 times in 200 minutes Y Malfunction stop F3 indication Parameters RZQ71B RZQ100 amp 125B A C 100 C 100 C B C 105 C 105 C CT 110 C 110 C D C 120 C 120 C 110 C 115 C F C 125 C 135 C Gmin 15min 10min Td Discharge pipe temperature Part 2 Functional Description 2 47 Outdoor Unit Functional Concept ESIE04 01 3 3 6 Suction Pipe Superheat Protection Control Heating Mode Outline 2 Flow chart In case the suction superheat value in heating mode is too high the oil return to the
106. CB The illustration below shows the PCB connectors X61A X60A X11A 27 X14A X15A S E X20A X29A X18A EE 1 X19A EE 2 cxt E 5 X25A X35A X10A X5A X24A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X14A 510 Limit switch swing flap X15A S1L Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A 1 Drain pump motor X27A X2M Power supply amp communication X29A M1S Swing flap motor X35A X1A on KRP4 Connector to group control adaptor power supply 16 VDC for optional PCB KRP4 X60A X1A DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor 1 114 Part 1 System Outline ESIE04 01 PCB Layout 713 FAQ71BUV1B PCB The illustration below shows the PCB connectors X27A X20A X30A 18 5 19 15 24 Connectors The table below describes the PCB connectors Connector Connected to Description X15A Connector float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A2P Infrared remote control connector X27A X2M Power supply amp communication X30A X1M Ter
107. Codes System Malfunctions 4 1 What Is in This Chapter ssssesseeseeseeeeneeneennee nennen 3 89 4 2 Malfunction of Transmission between Indoor and Outdoor Unit 1 xenon decise U4 or UF 3 90 4 3 Malfunction of Transmission between Indoor Unit and Remote Control cene ertet eec e e e rt cite U5 3 92 4 4 Malfunction of Transmission between MAIN Remote Control and SUB Remote Control U8 3 93 4 5 Malfunctioning Field Setting Switch neen eenen ennen UA 3 94 4 6 Centralized Address Setting Error UC 3 96 5 Additional Checks for Troubleshooting 5 1 What Is in This Chapter sessesseseeeeeeenenneenneennennnen nne 3 97 5 2 Indoor Unit Checking the Fan Motor Hall IC 3 98 5 3 Indoor Unit Checking the Power Supply Wave Form 3 99 5 4 Outdoor unit Checking the Installation Condition 3 100 5 5 Outdoor Unit Checking the Expansion 3 101 5 6 Checking the Thermistors nnen vennenenneennvenneneneeenneneneveneenenenenn 3 102 5 7 Resistance Conversion Table Ambient Coil 3 103 5 8 R3T Resistance Conversion Table Discharge Pipe Sensor 3 104 5 9 Evaluation of abnormal high pressure nnn ennen eenen eenen 3 105 5 10 Evaluation of abnorma
108. Components Components The table below contains the different components of the functional diagrams No Component Function remark 1 Flare connection See pipe connection diameter 2a Liquid stop valve The liquid stop valve is used as shut off valve in case of a pump down 2b Liquid stop valve 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 Capillary tube The capillary tube allows pressure equalization during a compressor OFF cycle 5b The capillary tube expands the liquid to enable evaporation in the evaporator 6 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 7 Heat exchanger The heat exchanger is of the multi louvre fin type Hi X tubes and coated waffle louvre fins are used 8 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 9 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 10 Check valve with The check valve allows
109. EST button for at least 4 s to enter the maintenance mode 3 Press the TEMPERATURE CONTROL buttons as many times as needed to select the mode No you want 4 Press the TIMER SELECTION button as many times as needed to select the unit No you want 5 Carry out the settings for modes 44 and 45 See Maintenance Mode Settings further in this section 6 Press the CONFIRMATION button to confirm the settings of modes 44 and 45 7 Press the INSPECTION TEST button to return to the normal operating mode Part 4 Commissioning and Test Run 4 21 Field settings ESIE04 01 Maintenance Mode The table below describes the maintenance mode settings Settings Mode No Function Content and operation method Example of the remote control display Display malfunction history RE The history No can be changed with the pro Unit No 2 History error gramming time button P Las codes Malfunction 0 Newest history 2 Oldest 00 displayed for 3 and subsequent Select the display thermistor with the pro gramming time button 41 Thermistor Thermistor nm Temperature data display 0 Remote control thermistor GEND in 1 Suction thermistor 0 d 2 Heat exchanger thermistor za 43 Forced fan ON Turns the fan ON for each unit individually Unit No 1 t SETTING Sets fan speed and air flow direction for each unit individually when usin
110. EST button to return to the Normal mode 4 12 Part 4 Commissioning and Test Run ESIE04 01 Field settings 2 4 Field settings Overview of the Field Settings on the Indoor Units The table below contains the possible field settings of all indoor units Mode First Second code No No code No Description of the setting 01 02 03 04 10 or 20 0 Filter counter Light heavy contamination contamination 1 Filter type Long Super long External Oil mist 2 Remote thermistor of the TH1 rem TH1 air remote control control 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 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 OFF 5 Automatic restart Disabled Enabled 13 or 23 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 inst alled 3 Horizontal discharge grill Enabled Disabled 4 Air flow direction adjust range Draft preven Standard Ceil soil pre
111. Functional Diagrams ESIE04 01 4 4 Triple System 1 RZQ100 125 Outdoor unit m Heating se Cooling NOTE The press between the branch and the indoor units should have the same size as the indoor connections 1 60 Part 1 System Outline ESIE04 01 Functional Diagrams 4 5 Double Twin System RZQ100 125 Indoor unit Indoor unit 1 Liquid piping 7 Indoor unit Outdoor unit m Heating Cooling Indoor unit iai 4 NOTE The press between the branch and the indoor units should have the same size as the indoor connections Part 1 System Outline 1 61 Functional Diagrams ESIE04 01 4 6 Indoor piping 1 FFQ Liquid piping To outdoor unit Gas piping Indoor unit FHQ FUQ FAQ Liquid piping To outdoor unit Gas piping Indoor unit 1 62 Part 1 System Outline ESIE04 01 Functional Diagrams FCQ FBQ FDQ Heating m Cooling Liquid piping Gas piping Indoor unit Part 1 System 1 63 Functional Diagrams ESIE04 01 4 7 Pipe connection diameters 1 Outdoor units The table below contains the refrigerant pipe connection diameters Model Gas pipe flare Liquid pipe flare RZQ71B7V3B 15 9 mm 9 52 mm RZQ100B7V3B RZQ125B7V3B Indoor units The table below contains the
112. HOTOOBUMTB terr it ebde 1 30 2 12 FHOT25BUV 1 Bi n teret ett eec ei eee dean deed 1 32 2 13 UETA he DAAN e emt as 1 34 2 14 1 25 oie ick i oleh ists cee Lak ad ec 1 36 2 15 FAG7IBUMIB deedeetee 1 38 2 16 teet pe rechte eet ce tedio 1 40 Table of Contents i ESIE04 01 3 Specifications 3 1 WhatIs in This Gliapter steerer RR ERR PERDERE RR URS 1 43 3 2 RZQ71 RZQ100 and 40125 1 44 3 3 EEE 1 47 3 4 eoe nett od eh es ead 1 48 3 5 FBG ME 1 49 3 6 ger 1 50 3 7 ee A ed 1 51 3 8 pec PI EE E 1 52 3 9 gis 1 53 4 Functional Diagrams 4 1 Whiatls in TIhiS Ghapter eret PEDE s 1 55 4 2 Pair system reete eddie neues 1 56 4 3 TWINESYSTEM nnen 1 58 44 Triple Systemi eR 1 60 4 5 Double TWiN SySteM oane ervarenen arden E 1 61 4 6 Indoor PIPING iet ev 1 62 4 7 Pipe connection diameters 1 64 4 8 Re using existing field piping nnen eeneeenenenenen vereen venvenevenen 1 65 4 9 Piping Component
113. Hydrogen detecting type etc Applicable refrigerants R410A R407C R404A R507A R134a etc m Differences Previous testers detected chlorine Since HFCs do not contain chlorine new tester detects hydrogen m 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 m Differences Can be used for R410A and R22 units ESIE04 01 Introduction Gauge manifold for R410A E Charge hose for R410A E E 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 5 16 2min 2 5min No oil is used in pressure test of gauges 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 xi Introduction ESIE04 01 Charging cylinder Weigher for refrigerant charge Charge mouthpiece Specifications Use weigh
114. LA FCQ71B7V3B RZQ71B7V3B 50 230 7 1 17 1 20 16 2 16 2 0 07 0 3 0 045 0 6 FCQ35B7V1x2 RZQ71B7V3B 50 230 7 7 17 7 20 16 2 16 2 0 07 0 3 0 045x2 0 6x2 FFQ35BV1Bx2 RZQ71B7V3B 50 230 7 7 17 7 20 16 2 16 2 0 07 0 3 0 055x2 0 6x2 FBQ71B7V3B RZQ71B7V3B 50 230 7 4 17 4 20 16 2 16 2 0 07 0 3 0 125 0 9 FBQ35B7V1x2 RZQ71B7V3B 50 230 Waren 7 5 17 5 20 16 2 16 2 0 07 0 3 0 065x2 0 5x2 FHQ71BUV1B RZQ71B7V3B 50 230 7 1 17 1 20 16 2 16 2 0 07 0 3 0 062 0 6 FHQ35BUV1Bx2 RZQ71B7V3B 50 230 ZT 17 7 20 16 2 16 2 0 07 0 3 0 062x2 0 6x2 FAQ71BUV1B RZQ71B7V3B 50 230 6 8 16 8 20 16 2 16 2 0 07 0 3 0 043 0 3 FUQ71BUV1B RZQ71B7V3B 50 230 7 2 17 2 20 16 2 16 2 0 07 0 3 0 045 0 7 FCQ100B7V3B RZQ100B7V3B 50 230 21 0 21 0 30 19 4 19 4 0 07 0 07 0 3 0 3 0 090 1 0 FCQ50B7V1x2 RZQ100B7V3B 50 230 21 2 21 2 30 19 4 19 4 0 07 0 07 0 3 0 3 0 045x2 0 6x2 FCQ35B7V1x3 RZQ100B7V3B 50 230 21 8 21 8 30 19 4 19 4 0 07 0 07 0 3 0 3 0 045x3 0 6x3 FFQ50BV1Bx2 RZQ100B7V3B 50 230 21 4 21 4 30 19 4 19 4 0 07 0 07 0 3 0 3 0 055x2 0 7x2 FFQ35BV1Bx3 RZQ100B7V3B 50 230 21 8 21 8 30 19 4 19 4 0 07 0 07 0 3 0 3 0 055x3 0 6x3 FBQ100B7V3B RZQ100B7V3B 50 230 21 0 21 0 30 19 4 19 4 0 07 0 07 0 3 0 3 0 135 1 0 FBQ50B7V1x2 RZQ100B7V3B 50 230 21 4 21 4 30 19 4 19 4 0 07 0 07 0 3 0 3 0 085x2 0 7x2 FBQ35B7V1x3 RZQ100B7V3B 50 230 21 5 21 5 30 19 4 19 4 0 07 0 07 0 3 0 3 0 065x3 0 5x3 FHQ100BUV1B RZQ100B7V3B 50 230 20 7 20 7 30 19 4 19 4 0 07 0 07 0 3 0 3 0 130 0 7 FHQ50BUV1Bx2 RZQ100B7V3B 50 230
115. M1S Swing flap motor X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 108 Part 1 System Outline ESIE04 01 PCB Layout 7 7 FBQ35 60B7V1 PCB The illustration below shows the PCB connectors X61A X60A 11 X25A 27 X10A X35A X5A X40A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X15A 33H Float switch X17A R3T Coil thermistor X18A R2T Coil thermistor liquid X19A Air thermistor X21A M1F Fan motor power supply X25A Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System 1 109 ESIE04 01 7 8 FBQ100 125B7V3B PCB The illustration below shows the PCB connectors X61A X60A X11A X25A 27 Connectors The table below describes the PCB
116. 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 r Normal display Push INSPECTION TEST button v Last occurred malfunction Push INSPECTION TEST button Push mem Sud and See possible INSPECTION TEST corm ________ system settings button Push INSPECTION TEST button v System Push INSPECTION TEST button v Test 4 20 Part 4 Commissioning and Test Run ESIE04 01 Field settings Possible system The table below contains the possible system settings which are displayed on the remote control if settings the TEST button is pushed twice shortly Size Type Software Settings Display Settings Display 35 35 FCQ FJ 45 45 FHQ HJ 60 63 FAQ AJ 71 71 FFQ GJ 100 100 JJ 125 125 FUQ 3J 200 200 FDQ UJ 250 250 Changing the mode 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 T
117. Operation 2 18 1 15 Freeze Prevention Function 2 20 1 16 PMV Control 2 21 1 17 Preheating Operation Control 2 22 1 18 Crankcase Heater Control 2 23 Part 2 Functional Description 2 3 General Functionality ESIE04 01 1 2 Functions of Thermistors Locating the thermistors Remark Sensor R3T on indoor coil of FCQ35 60B7V1 FFQ35 60BV1 FBQ35 60B7V1 amp FHQ35 60BUV1 is not used when the indoor units are connected to RZQ outdoor units Functions of the thermistors Location Mode Function 1 Indoor R2T Cooling Compressor frequency control target Te ae m Inverter current protection control m Freeze up control Heating Compressor frequency control target Tc m Inverter current protection control m Hot start control m Peak cut off 2 Indoor air Cooling m Thermostat control m PMV control m General frequency control Heating Thermostat control PMV control m General frequency control 3 Outdoor R2T Cooling m Inverter current protection control is Heating m Inverter current protection control m Defrost control 2 4 Part 2 Functional Description ESIE04 01 General Functionality Ther Location mistor 9 4 ambient Wiring symbol Cooling Function Outdoor fan speed control PMV control Pressure difference control Overall current protection contr
118. Remote Control Display LED Display 3 34 1 10 Overview of the Outdoor Safety Devices 3 37 1 11 Overview of the Indoor Safety Devices 3 38 2 Error Codes Indoor Units 2 1 What Is in This Chapter nn ennen vereren eenn veneneneenneneneeenvenn 3 39 2 2 Malfunctioning Indoor eee A1 3 40 2 3 Malfunction of Drain Water Level System A3 3 41 2 4 Malfunctioning Drain System seen AF 3 44 2 5 Indoor Unit Fan Motor Lock ee A6 3 46 2 6 Malfunctioning Capacity Setting nnen enen eenen AJ 3 48 2 7 Thermistor Abnormality een C4 C5 C9 3 50 2 8 Malfunctioning Remote Control Air CJ 3 52 Table of Contents ESIE04 01 3 Error Codes Outdoor Units 3 1 Whatls inThis Glhiapter meteen beat 3 53 3 2 Actuation of Protection Device EO 3 54 3 3 Failure of Outdoor Unit PC Board E1 3 55 3 4 Abnormal High Pressure Detected by the HPS 3 56 3 5 Actuation of Low Pressure Sensor E4 3 58 3 6 Compressor Motor Lock nann eneen eenenenneeeneeeneeeneneneeeen E5
119. SIE04 01 Troubleshooting Is the short circuit Is the optional drain Connect the Is the unit a cassette ES connector connected or built in type No raising mechanism No X15A on the No pii connected indoor unit PCB it Yes Yes 3 P Check the continuity of the short circuit connector Yes Is a drain pump C Replace the t the Is there Us connected to the No vonnec inuitv No Short circuit indoor unit PCB drain pump earn connector Yes Yes Replace the indoor unit PCB Set to Does the drain pump N emergency work after restarting operation voltage of X25A Yes Is the drain water Is the float switch Connect Replace level abnormally No connected to X15A gt No goat switch 220 240 VAC gt No the indoor high unit PCB Yes Yes Yes v v Y There is a malfunction wed Mom Replace the of the drain system restart operation 1 drain pump Does appear on the Replace remote control display No float switch Yes Replace indoor unit PCB 3 42 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units Remark If A3 is detected by a PC board which is not mounted with X15A the PC board is defective Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 43 Error Codes Indoor Units ESIE04 01
120. Side Side Mpa Mpa Temperature C Differential Differential C Between Between Suction Tem Suction Tem perature and perature and Discharge Discharge Temperature Temperature C C Cooling 26 bar 6 bar 60 100 2 10 8 18 7712 34 bar 10 bar Heating 25 bar 5 3 60 100 6 2 14 30 2 6 32 6 bar 7 5 bar 4 38 Part 4 Commissioning and Test Run ESIE04 01 Test Run and Operation Data Standard Conditions Indoor Unit Conditions Outdoor Unit Conditions Cooling Operation 27 C DB 19 C WB 35 C DB Heating Operation 20 C DB 7 C DB 6 C WB During or after maintenance when the power supply is turned back on operation restarts automatically by the auto restart function Please exercise the proper caution When perfoming maintenance you should at least perform the following inspections Indoor unit Transmission wiring between indoor and outdoor units What about switch capacity What about cable thickness To dedicated breaker What about voltage and current Refrigerant piping Drain piping Outdoor unit Earth Part 4 Commissioning and Test Run 4 39 Test Run and Operation Data ESIE04 01 Correlation of Air Conditioner s Operation Status and Pressure Running Current Notes What happens in comparison to normal values is summarized in the table below Measured from 15 20 minutes
121. Using Conditions for Remote Control Thermostat Applicable The remote control thermostat is only available in wired remote controls Method Unlike with VRV units the remote control sensor is standard disabled for sky air units The use of the 2 remote control sensor can be enabled by changing field setting 10 20 2 02 to 10 20 2 01 Conditions The table below contains the condition in which the remote control thermostat is not used Condition The remote control thermostat is not used when 1 The remote control thermostat malfunctions 2 Group control is used 3 The set temperature air suction temperature combination is out of range See below graph Cooling The diagram below shows the operation range of the set temperature air suction temperature combination in cooling operation ts Set temp n sot C WEE riem Remote control thermostat BH operation range Differential zone 20 th Suction air temp 2n Heating The diagram below shows the operation range of the set temperature air suction temperature combination in heating operation ts Set temp C Remote control thermostat operation range Differential zone inl emi 12 th Suction air temp 2 12 Part 2 Functional Description ESIE04 01 General Functionality 1 9 Forced Thermostat OFF Outline Condition 1
122. VE CANCEL Part 4 Commissioning and Test Run ESIE04 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 OON OFF 2 TIME UP DOWN SETTING Up DOWN Q FAN RESERVE CANCEL 4 Press the RESERVE button to confirm the setting OON OFF ii TIME SETTING UP DOWN FAN CANCEL RESERVE RESERVE T Part 4 Commissioning and Test Run 4 7 Pre Test Run Checks ESIE04 01 Step Action 5 Press the TEST button to quit the field set mode and return to the normal display QON OFP ge TIME UP DOWN FAN RESERVE CANCEL TIMER TEST Multiple settings When an outside control central remote control controls an indoor unit sometimes the indoor unit does not respond to ON OFF and temperature settings commands from this control Remote control Indoor unit Setting Remote control dis Control of other air condi othercontrol tioners and units A Standard All items are displayed Commands other than ON OFF and temperature setting accepted 1 long beep or
123. X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor Part 1 System Outline 1 111 ESIE04 01 7 10 FHQ35 60BUV1 1 PCB The illustration below shows the PCB connectors X61A X60A X33A X11A X27A X10A X5A X24A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X14A 510 Limit switch Swing flap X15A Connector for float switch When installing the drain pump remove the jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A Drain pump option X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connection for interface adaptor X61A X2A on DTA112 Connection for interface adaptor 1 112 Part 1
124. activation from optional PCB KRP58M 2 13 1 Silent Operation by Automatic control Table Silent operation can be set by field setting from the wired remote control Descrip Mode First Second Code tion Code 01 02 03 04 05 Silent 16 26 0 OFF Lownoise Lownoise Operation activation Capac ity priority Low noise 1 22h00 22h00 20h00 start amp 06h00 08h00 08h00 stop time Method When setting mode 16 26 0 02 silent operation will be carried out by presuming the current time in accordance with the outside temperature Automatic mode will start when the outdoor temperature is average max of last 10 days 5 C and will be conducted for 10 hours The maximum outdoor temperature is supposed to occur at 14 00h As the time judgement is made in accordance with the outdoor temperature the above mentioned timing is an estimation only Capacity When setting mode 16 26 0 04 the low noise operation will be stopped when the heating or cooling precedence setting load increases In that case the operation will return to normal operation The unit will return to low noise operation when the heating or cooling load decreases again Graph Maximum Start night End night ambient 48 hours quiet 10 hours quie temperature 9 operation operation Trend line indicating fluctuation of outdoor ambient temperature in 24 hours 4 26 Part 4
125. akage occurs Are all air inlets and outlets of the indoor and outdoor units unobstructed m Poor cooling m 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 m Poor cooling m Poor heating Stop 15 the supply voltage conform to the specifications on the name plate Incorrect operation Are the cable sizes as specified and according to local regulations Damage of cables Are the remote control signals received by the unit No operation 4 4 Part 4 Commissioning and Test Run ESIE04 01 Pre Test Run Checks 1 3 Setting the Infrared remote control Introduction To set the infrared remote control you have to set the address for m The receiver of the infrared remote control m The infrared remote control Setting the address address for the receiver of the infrared remote control is factory set to 1 To change this setting for the receiver proceed as follows Step Action 1 Turn OFF the power 2 Remove the sealing pad on the top of the receiver Sealing pad En Small opening Receiver Set the wireless address switch 552 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 o
126. al Minimal thickness t mm 6 4 9 5 12 7 0 80 15 9 1 19 1 1 2 1 1 2H Half hard Part 1 System Outline ESIE04 01 Functional Diagrams Refrigerant pipe m Pipe size down and pipe size up is available for main piping L1 only size Refrigerant pipe size Gas pipe Size down Standard size RZQ71B7V3B 12 7 15 9 RZQ100 amp 125B7V3B 19 1 Liquid pipe Size down Standard size RZQ71 125B7V3B o 6 4 9 5 12 7 m Not using the standard pipe size may result in capacity decrease It is up to the installer to judge on this phenomenon carefully in function of the complete installation Part 1 System 1 67 Functional Diagrams ESIE04 01 Allowable pipe When re using existing piping refer to below table for allowable piping length and heigth difference length and heigth figures in brackets are equivalent lengths difference Model RZQ B7 Liquid pipe size 100 Maximum allowable piping length Pair L1 size down 10 m 15 m zi standard 50 70 50 70 50m 70 m size up 25 35 35 45 35 45 Maximum total one way piping length Twin L1 L2 L3 50m Triple L1 L2 L3 L4 50m Double twin L1 L2 L3 L4 L5 L6 L7 Maximum branch piping length Twin L2 Double twin L2 L4 20 Maximum difference between br
127. an speed and compressor frequency will be adapted Fan control in cooling Normal control r limi Uppe HP gt 30 bar A TA gt 27 HP lt 19 bar lt 25 amp AP gt 15bar amp OR Compression ratio gt 3 2 bar OR lt B Bbar Outdoor fan u imit limit step 8 Compression ratio lt 2 1 bar ef gt 11bar Compression ratio gt 2 4 bar Upper limit step 8 Condition A T Condition A Condition B Condition B 90 seconds have passed 90 se nds have passed v HP lt 16 bar Upper limit step 7 HP 20bar oR AP lt 8bar Condition A Condition B 8 dor AP gt 10bar Compression ratio lt 1 8 Compression ratio gt Upper limit step 6 Condition A Condition B Upper limit step 5 Condition A Condition B Upper limit step4 Condition A Condition B Upper limit step 3 Condition A Condition B Upper limit step 2 Condition A Condition B Upper limit step 1 HP gt 18 bar 90 seconds have passed Condition A Condition B gt 87 C HP lt 16 bar amp OF AP gt 9bar OR f r lt 8bar amp Compression Compression ratio lt 1 8 ratio gt 2 0 Upper limit step 0 Outdoor fan OFF 2 52 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept Frequency restriction in cooling Normal control Used indoor unit 71 Upper l
128. anch lengths Twin L2 L3 10m Triple L2 L4 10 m 10m Double twin L2 L3 L4 L5 L6 L7 L2 L4 L3 L7 Maximum heigth between indoor and outdoor All 30 m Maximum heigth between indoors Twin triple and double twin H2 0 5m Chargeless length All size down 10m L1 L2 L3 L4 L5 L6 L7 Bandara 30 m size up 15m 1 68 Part 1 System Outline ESIE04 01 Functional Diagrams Caution for flare m Refer to below table for correct flare dimensions and tightening torques Too high tightening force connections may cause refrigerant leak because of flare cracking Flare nut A dimensions for Piping size tightening torque processing flares mm Flare shape 964 PELLE 8 7 9 1 144 176 kgf cm 32 7 39 9 N m 29 5 833 407 kgf cm 128 132 12 7 504 616 kgrem 16 2 16 6 ous SETAN 9 19 1 e SIN I 23 6 24 0 989 8 1208 kgf cm m When connecting the flare nut apply refrigerating machine oil to the flare inside and outside and first screw the nut 3 or 4 turns by hand Coat the indicated surfaces using ether or ester oil x m After completing the installation carry out an inspection of the piping connections by pressure test using nitrogen Part 1 System Outline 1 69 Functional Diagrams ESIE04 01 1 70 Part 1 System Outline ESIE04 01 4 9 Piping
129. and discharge temperature Insufficient compression of compressor Incorrect refrigerant charge leak Faulty expansion valve Insufficient circulation of refrigerant Malfunction of thermistors or thermistor out of position 8 14 Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Measure the temperature of suction air and supply air Temperature difference Suction air temp Supply air temp Temperature difference for cooling should be between 8 and 18 C Does the heat load increase after installation of the unit YES Normal Possible causes as follows Incorrect selection of model Affection of direct sun Additional unit installation should be considered any frost generat around inlet port of indoor unit heat exchanger or outlet port of expansion alve Is the operation current less than specified level YES Gas shortage possibly generates trouble Clogged air filter Soiled heat exchanger Malfunction of fan motor Refer error code A6 Does indoor unit air flow rate down YES EN After vacuum drying charge correct amount of refrigerant Check each section Possible causes as follows Refrigerant overcharge Air in refrigerant system Soiled heat exchanger Short circuit of supply air Di
130. antaneous over current Possibility of compressor motor grounding or shortage of motor winding L8 Electronic thermal Possibility of compressor overload open circuit in compressor motor L9 Stall prevention Possibility of compressor seizing LC Malfunction of transmission system between 3 30 Part 3 Troubleshooting ESIE04 01 Troubleshooting Malfunction Code Contents Processing Remarks P1 Open phase or voltage unbalance P4 Abnormal radiation fin temperature sensor outdoor unit PJ Failure of capacity setting outdoor unit Either capacity data is set incorrectly or capacity has not been set for the data IC UO Lack of gas malfunction Abnormal suction pipe temperature U2 Abnormal power supply voltage Including malfunction of K1M K2M U4 UF Failure of transmission between indoor and Transmission between indoor and outdoor unit is outdoor unit not being correctly carried out Note 1 Note 2 U5 Failure of transmission between indoor unit and Transmission between indoor and remote control remote control is not being correctly carried out U8 Failure of transmission between main and Transmission between main and sub remote sub remote control control is not being correctly carried out UA Failure of fieldsetting System fieldsetting error pair twin triple double twin or wrong capacity class UC Address error of central remote control m Inthe case of the shad
131. ark Some functions can force the swing flap into a fixed position altough swing mode is selected on the remote control This is not an unit error but a control function to prevent draft to the customer Before starting the troubleshooting make sure the swing flap is not forced into such a fixed position e g Hot start defrost operation thermostat OFF in heating operation or freeze prevention in cooling operation For details see Fan and Flap Operations on page 2 32 Possible Causes Faulty swing motor Faulty micro switch Faulty connector connection Faulty indoor unit PC board 3 22 Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Are the connectors correctly NO gt Connect correctly connected to X29A and X14A on the PC board YES Is the limit NO gt Connect correctly switch s transfer connector correctly connected YES Turn the power supply off once and back on and check whether the swing flap motor swings when the power supply is turned back on Does the flap swing Turn the power supply off once and back on and measure the output voltage of connector X29A when the power supply is NO Disconnect X14A turn the power supply off once and back on and check if the limit switch has continuity when the power supply it turned back on 15 continuity no YES continuity reversed Re
132. ary Is the check valve clogged Heat pump model only Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Check if there is a temperature difference before and after check valve 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 Is the outdoor unit heat exchanger clogged Visual inspection 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 Is the check valve clogged Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Check if there is a temperature difference before and after check valve 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
133. ature gt Indoor unit heat exchanger temperature Outdoor unit heat exchanger temperature gt 25 EN Outdoor unit heat exchanger temperature lt Indoor unit heat exchanger temperature Outdoor unit heat exchanger temperature lt 25 OR RZQ71B RZQ100 125B 12 9 A 23 A Part 2 Functional Description 2 49 Outdoor Unit Functional Concept ESIE04 01 3 3 8 Input Current Control Outline Flow chart Upper limit current Unlike the inverter current control this function will monitor the overall input current and will restrict the compressor upper limit operating frequency as to prevent activation of the circuit breakers Outdoor unit current lt upper limit current value Normal operation Upper limit compressor operating Outdoor unit current frequency Maximum frequency gt upper limit current value Outdoor unit current lt TF upper limit current value X Upper limit compressor operating gt _ Upper limit compressor operating frequency 1 step 6 sec frequency 1 step 2 min 2 p Outdoor unit current gt 3 yt P upper limit current value The outdoor model type and the outdoor air temperature will determine the upper limit current value Overall current A Current A Current B Current C Current D z5 2 Outside temperature 43 51 Ta A B C D RZQ71B 20A 17 5 14
134. between the control and inverter PC board disconnected Disconnect the fan motor connector and turn on again Is E7 displayed on the remote control YES Fix the disconnection and turn on again LC is not displayed microcomputer normal monitor green NO gt Replace the fan motor Inverter transmission malfunctioned due to the malfunction of fan motor on inverter PC board blinking j Is the icrocomputer norm NO gt Replace the inverter PC board LED on control PC board blinking Y Replace the control PC board gt Check for faulty connector connection in the transmission wiring and for clamps with high tension line 52595 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 79 Error Codes Outdoor Units ESIE04 01 3 19 Open Phase P Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Pl Malfunction is detected according to the voltage waveform of main circuit capacitor built in inverter When the aforementioned voltage waveform becomes identical with the waveform of the power supply open phase Open phase Voltage imbalance between phases Faulty main circuit capacitor Power unit Disconnection in diode module Fa
135. bnormal High Pressure Detected by the HPS E3 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes E3 The protection device circuit checks continuity in the high pressure switch When the high pressure switch is actuated Actuating pressure RZQ71 125 Faulty high pressure switch Dirty outdoor unit heat exchanger Faulty outdoor unit fan Refrigerant overcharge Stop valve is left in closed Disconnection in high pressure switch harness Faulty connection of high pressure switch connector Clogged indoor unit suction filter in heating operation HPS settings The table below contains the preset HPS values High pressure switch Fuse Open Close RZQ71 4 0 Mpa 0 0 15 3 0 0 15 6 3A 250V RZQ100 RZQ125 3 56 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Caution Check the installation conditions Is the stop No valve open gt Open the stop valve Are control and protection HPS connected to outdoor unit PC board Note No gt Connect correctly Turn off the power supply Wait for 10 minutes after compressor stops operating then check the following 15 there continuity in control and protection HPS No gt Replace HPS with no continuity Check No 5 Is high pr
136. by service engineer based on their field checks Further the number is listed in the order of degree of influence In cooling operation In heating operation Check items Possible causes Does the outdoor unit fan run normally Judgment Visual inspection Is the outdoor unit heat exchanger clogged Visual inspection Is there clogging before or after the EV capil lary Is the check valve clogged Heat pump model only Check if there is a temperature difference before and after EV capillary Check if the main valve unit of EV operates by noise vibration Check if there is a temperature difference before and after check valve If YES the check valve is caught Is the HPS normal Check continuity by using a tester Is the outdoor unit installed under such condi tions that short circuit easily occurs Visual inspection Is the piping length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Check items Possible causes Judgment Does the indoor unit fan run normally Visual inspection Is the indoor unit heat exchanger clogged Visual inspection Is the indoor unit installed under such cond
137. cause damage that can lead to unexpected accidents Do not drop vessels 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 vi ESIE04 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 m Tool compatibility Compatibility Tool HFC HCFC Reasons for change R410A R407C R22 Gauge manifold m Do not use the same tools for R22 Charge hose m Thread specification differs for R410A and R407C Charging cylinder m Weighting instrument used for X HFCs Gas detector m The same to
138. ce indoor unit PCB Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 47 Error Codes Indoor Units ESIE04 01 2 6 Malfunctioning Capacity Setting Al Error code Al LED indications The table below shows the LED indications Operation HAP green HBP green Normal Malfunctioning Error generation Causes Capacity setting adaptor The error is generated when the following conditions are fulfilled The capacity that is set does not exist for that unit Condition Description 1 m The unit is in operation The PCB s memory IC does not contain the capacity code m Thecapacity setting adaptor is not connected 2 m The unit is in operation The possible causes are m Malfunctioning capacity setting adaptor connection m 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 replacement PCB To set the correct capacity for the PCB you have to connect a capacity setting adaptor with the correct capacity setting to the PCB The capacity setting for the PCB will become the capacity setting of
139. changed setting 7 Press the INSPECTION TEST button to return to Normal mode Part 4 Commissioning and Test Run 4 11 Field settings ESIE04 01 2 3 How to Change the Field Settings with the Infrared remote control Optional accessories Infrared remote control If optional accessories are mounted on the indoor unit the indoor unit setting may have to be changed Refer to OH98 2 or the installation manual optional handbook for each optional accessory The illustration below shows the infrared remote control ON OFF T Field setting mode DOWN 6 FAN CANCEL RESERVE button RESERVE First code No C MODE Con Second code No xe SWING C UP button DOWN button MODE button INSPECTION TEST button Setting To set the field settings you have to change m Mode No m First code No m Second code 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 MODE button to select the desired Mode 3 Press the UP button to select the First code 4 Press the DOWN button to select the Second code 5 Press the RESERVE button to set the present settings 6 Press the INSPECTION T
140. ck an oil recovery operation will be conducted Details During the oil recovery operation the operation frequency of the compressor will be increased for a time period of 10 minutes Example Trigger conditions for 71 class m In cooling Compressor frequency 62 Hz for 10 minutes continuously In heating Compressor frequency 109 Hz for 10 minutes continuously When the above conditions are fulfilled a calculation of the oil discharge amount will be executed according to the below formula Oil discharge amount inverter frequency Hz x D x Atime D constant value depending on outdoor unit type When the result of the above calculation is lower than a reference value programmed in the unit s memory the oil recovery operation will be started The compressor will operate at a frequency above 62 Hz in cooling and 109 Hz in heating for 10 minutes continuously 2 54 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 4 Expansion Valve Regulating Functions Introduction This chapter will explain the functions that are used to control the expansion valve opening Content Topic See page 3 4 1 Expansion Valve Control at Startup 2 56 3 4 2 General Expansion Valve Control 2 57 3 4 3 Discharge Pipe Temperature Control 2 58 Part 2 Functional Description 2 55 Outdoor Unit Functional Concept ESIE04 01 3 4 1 Expansion Valve Control at Startup Out
141. controls m Malfunctioning remote control PCB Troubleshooting SS 1 switch on remote control PCB is turned to MAIN Controlling with 2 remote control Turn the SS 1 switch of one remote control to MAIN Turn OFF the power supply and restart operation Switches on remote No Y confrals are turned io Turn OFF the power once and restart operation Replace remote control PCB if any error is generated gt Turn the SS 1 switch of one remote control to MAIN Turn OFF the power supply and restart operation Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 93 Error Codes System Malfunctions ESIE04 01 4 5 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 m Malfunctioning indoor or outdoor unit PCB m Malfunctioning power supply PCB m Indoor outdoor indoor indoor unit transmission wiring Malfunctioning remote control wiring 3 94 Part 3 Troubleshooting ESIE04 01 Error Codes System Malfunctions Troubleshooting 15 the remote control connected Yes Connect the remote control correctly Y Is the outdoor u
142. d Operating Mode Emergency 2 6 1 4 Outdoor Unit Identification Function ennen eene 2 8 1 5 Simulated Operation Function nnen nennen nenenennenenneeneeenvenenenn 2 9 1 6 Restart Standby ton uen dede eo tn eevee 2 10 1 7 Automatic Restart lien a ros tale 2 11 1 8 Using Conditions for Remote Control 2 12 1 9 Forced Thermostat OFF sessi 2 13 1 10 Testt rn Control s s i et rti etcetera vitet Do ie ae eds 2 14 1 11 4 way Valve Control d eere ede 2 15 1 12 Pump Down Residual Operation 2 16 1 13 Pump Down Operation nanne ene nenneneneneneeernenenerenenensvennvennenen 2 17 1 14 Defrost Operations REESE UE RE ERR HERR 2 18 1 15 Freeze Prevention Function eeeeenm 2 20 1 16 PMV Gonlrol aso eandem tere 2 21 1 17 Preheating Operation 2 22 1 18 Crankcase Heater Control eneen eenneneneeenneneneneneveneneneeenenn 2 23 2 Indoor Unit Functional Concept 2 1 Whatlsin This Chapter ern nU EI RERO 2 25 2 2 Thermostat Control 2 26 2 3 Drain Pump Gontrol iiid etie dead 2 27 2 4 Condensation Avoidance Control sss 2 29 2 5 Draft Avo
143. d but operation continues On other models than aforementioned operation halts due to malfunction S2602 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 85 Error Codes Outdoor Units ESIE04 01 3 23 Abnormal Power Supply Voltage U2 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes U2 Malfunction is detected according to the voltage of main circuit capacitor built in the inverter and power supply voltage When the voltage of main circuit capacitor built in the inverter and power supply voltage drop 150 170 VAC or when the power failure of several tons of ms or longer is generated Remote control does not decide the abnormality Drop in power supply voltage 180 V or less Instantaneous power failure Inverter open phase Phase T Faulty main circuit wiring Faulty outdoor unit PC board Main circuit parts damaged 3 86 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Check LED On outdoor unit PC board NO Is the voltage insufficient Other factors 15 the power supply voltage between 220 240 VAC 10 NO Field factors Is the wiring correct IS When the compressor is running measure the voltage between and of electrolytic capaci
144. door PCB TC amp RC TC Transmission circuit RC Receiving circuit 2 8 Part 2 Functional Description ESIE04 01 General Functionality 1 5 Simulated Operation Function Outline When a malfunction on one of the below thermistors occurs operation will continue while displaying the applicable alarm on the remote control Fin thermistor malfunction is only displayed when pressing the Inspection button on the remote control Sensors Outside temperature thermistor Outdoor heat exchanger thermistor Fin thermistor Discharge pipe thermistor Indoor unit air suction thermistor Indoor heat exchanger thermistor Remark Simulated operation will not be conducted in case the low pressure sensor or suction thermistor is malfunctioning Part 2 Functional Description 2 9 General Functionality ESIE04 01 1 6 Restart Standby Outline To prevent the compressor from frequently turning ON and OFF and allow pressure equalization forced thermostat OFF will be conducted for 3 minutes after compressor stopping compressor guard timer 2 Graph Restart standby Thermostat OFF complete Compressor oN Electronic expansion valve l Moves to Stop or 1 Starting control after completion of Restart standby Oudoor unit fan OFF i Residual operation i m mm omm i For 3 minutes 2 10 Part 2 F
145. e 1 2 Aq paddiys si yun y uauM renuew asas Aq SaUIIMS 10199195 BY JO y uujuo Z WLLX pue v9x 0 Dunoeuuoo 10 Jenueui uondo 34 0 13434 L 18930 Y Mal 1014 ASSV OdI09 3 pH 200 Le WZIEZ pay JOY ASION 262 012 abueI0 enen piougjos SEA U9919 Aem p SLA umoig uoisuedx3 JLA onig Qusjeuuuep NIX yug uondo soyeuuog vZ X vox 1991 ajnpow apoiq HEA 55 EU IS 21 mo7 Josuas aJnssalg TdNLS 2061 NOU JojsiuJau adid womans 2015101901 did aBieyosiq 100 2015101901 701518991 28714 Sd EON TENTEN 10559103009 00N JIN 1010099 JHL SCA SLA 201281000 pal 82 008 unywe 346r fejau 1 qur 204090009 AOSZIVE OL 9914 puwa Jayeay 95200 dwejo 8JM dois dig yee 20108027 1 umop duind jsoujap pa2104 ois usnd TERENE ANI mauro preog 1 87 Part 1 System ESIE04 01 Wiring Diagrams FCQ35 60B7V1 6 4 The illustrat
146. ectly or capacity has not been set for the data IC C4 Malfunction of heat exchanger temperature sensor system C5 Malfunction of gas piping temperature sensor system C9 Malfunction of suction air temperature sensor system CJ Malfunction of remote control air temperature Failure of remote control air thermistor sensor system Unit can be operated by indoor unit thermistor EO Actuation of safety device outdoor unit Note 1 E1 Outdoor unit PC board malfunction High pressure malfunction outdoor unit 4 Abnormality of low pressure outdoor Failure of low pressure sensor system Check if the stop valve open E5 Compressor motor lock malfunction Compressor motor lock incorrect wiring E7 Outdoor fan motor lock or outdoor fan instantaneous overcurrent malfunction E9 Malfunction of electronic expansion valve outdoor unit F3 Discharge pipe temperature malfunction outdoor unit H3 Failure of high pressure switch outdoor unit H7 Malfunction of outdoor fan motor signal H9 Malfunction of outdoor air temperature sensor Note 2 system outdoor unit J3 Malfunction of discharge pipe temperature sensor system outdoor unit J5 Suction pipe thermistor malfunction Failure of suction pipe thermister system J6 Malfunction of heat exchanger temperature Note 2 sensor system outdoor unit JC Malfunction of suction pressure sensor Failure of suction pressure sensor system L4 Radiation fin temperature rise Malfunction of inverter cooling L5 Inst
147. ed error codes inspection is not displayed The system operates but be sure to inspect and repair it Notes 1 There isa possibility of open phase power supply check power supply also 2 Operation when a malfunction occurs may differ according to the model Part 3 Troubleshooting 3 31 Troubleshooting ESIE04 01 1 8 Troubleshooting by LED Indications 1 8 1 Troubleshooting by LED on the indoor unit s Foreword Troubleshooting can be carried out by service monitor LED green Blinks when normal W LED on X LEDoff C LED blinks No connection with troubleshooting Microcomputer Transmission Normal Monitor Normal Monitor Contents Processing HAP LED A HBP LED B C C Indoor unit normal Outdoor unit trouble shooting C Incorrect transmission wiring between indoor out door unit X If outdoor unit s LED A is off proceed outdoor unit s trou ble shooting If outdoor unit s LED A blinks failure of wir ing or indoor or outdoor unit P C board ass y Note 4 Failure of indoor unit PC board ass y Note 5 X Malfunction of power supply or failure of PC board ass y or broken transmission wire between indoor and outdoor unit Note 5 When the INSPECTION TEST button of remote control is pushed INSPECTION display blinks entering INSPECTION mode 2 Inthe INSPECTION mode when the ON OFF button is pushed and held for 5 seconds more the aforemen
148. efrigerants having similar boiling The design pressure is different at each product Please refer to the installation manual for each 550 ERO 620 Pressure Enthalpy curves of HFC 32 125 50 50wt ESIE04 01 Introduction m Thermodynamic characteristic of R410A DAIREP ver2 0 Steam pressure Density Specific heat at constant Specific enthalpy Specific entropy pressure kJ kgK KJ kg KJ KgK Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Introduction ESIE04 01 1 3 2 Refrigerant Cylinders Cylinder m The cylinder is painted refrigerant color pink specifications m The cylinder valve is equipped with a siphon tube Cylilinder Siphon tube m 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
149. er contains the following PCB layouts PCB layout See page 7 4 FCQ35 60B7V1 1 106 7 5 FCQ71 125B7V3B 1 107 7 6 FFQ35 60BV1B 1 108 7 7 FBQ35 60B7V1 1 109 7 8 FBQ100 125B7V3B 1 110 7 9 FDQ125B7V3B 1 111 7 10 FHQ35 60BUV1 1 112 7 11 FHQ71 125BUV1B 1 113 7 12 FUQ71 125BUV1B 1 114 7 13 FAQ71BUV1B 1 115 7 14 FAQ100BUV1B 1 116 Part 1 System 1 101 ESIE04 01 7 2 RZQ71B7V3B Control PCB The illustration below shows the PCB connectors X64A X26A X18A X17A X19A X20A 12 X77A X22A X1A Connectors The table below describes the PCB connectors Connector Connected to Description X1A X1M Terminal strip connector X3A X205A on inverter PCB X6A For optional PCB KRP58M51 X12A Expansion 17 R3T Discharge thermistor X18A Suction thermistor X19A R2T Coil thermistor X20A Air thermistor X22A Y1S 4 way valve X26A Connector for spare part adaptor X64A S1NPL Low pressure sensor X77A For optional PCB KRP58M51 1 102 Part 1 System Outline ESIE04 01 PCB Layout Inverter PCB The illustration below shows the PCB connectors X60A X201A X205A X206A X207A Connectors The table below describes the PCB connectors Connector Connected to Description X60A S1PH High pressure switch X201A M1C Compressor motor X205A on control PCB X206A M1F Fan m
150. er for refrigerant charge listed below to charge directly from refrigerant cylinder Can not be used 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 5 16 2min 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 xii ESIE04 01 Part 1 System Outline What is in this part This part contains the following chapters Chapter See page 1 General Outline Outdoor Units 1 3 2 General Outline Indoor Units 1 11 3 Specifications 1 43 4 Functional Diagrams 1 55 5 Switch Box Layout 1 73 6 Wiring Diagrams 1 85 7 PCB Layout 1 101 Part 1 System Outline 1 1 ESIE04 01 Part 1 System Outline 251204 01 General Outline Outdoor Units
151. er supply OFF and Operation OFF 7 Is the voltage between pins 4 and 3 of X207A about 15 VDC after turning the power supply on 8 15 the voltage between pins 4 and 1 of X207A about 5 VDC 9 Connect the connector X207A with the power supply OFF and Operation OFF 10 When making one turn of the lower fan motor by hand after turning the power supply on is a pulse 0 and 5 V generated 4 times between pins 4 and 1 of X207A Fan speed pulse input OV and 5V 2 0v 3 15V 4 GND 5 NC 6 NC 7 250 350V during operation 82679 Part 3 Troubleshooting 3 109 Additional Checks for Troubleshooting ESIE04 01 5 11 5 Outdoor unit Check for Power Transistor Judgment according to the continuity check by using an analog tester 1 Do not touch the charged area high voltage for 10 minutes after turning the power supply off 2 If you must touch such an area make sure that the power supply voltage of power transistor is 50 V or less 3 Before measuring the continuity disconnect the connection between compressor and power transistor 4 Measure the continuity in the following procedure Judgment Normal if the continuity check results in the following Power transistor on inverter PC board lt 12 gt cue Qe fo dis P U Continuity Ec P V Continuity px W Continuity gt ip E P U Continuity P V Continuity M P W Conti
152. eration Content Topic See page 3 5 1 Outdoor Unit Fan Speed Control 2 60 Part 2 Functional Description 2 59 Outdoor Unit Functional Concept ESIE04 01 3 5 1 Outdoor Unit Fan Speed Control Fan speed control The outdoor fan speed will be controlled in function of the actual outdoor ambient temperature the condensation pressure pressure difference between low and high pressure and compression ratio For details please refer to Pressure Difference Control Fan step table 82071 Step Cooling Heating 0 0 0 1 200 200 2 250 250 3 300 300 4 360 360 5 430 430 6 515 515 7 620 620 8 790 720 Fan step table RZQ100 Cooling Heating Step M1F M2F M1F M2F 0 0 0 0 0 1 250 0 250 0 2 400 0 285 250 3 285 250 335 300 4 360 325 395 360 5 445 410 470 435 6 545 510 560 525 7 660 625 660 625 8 820 785 825 790 2 60 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept Fan step table RZQ125 Cooling Heating Step M1F M2F M1F M2F 0 0 0 0 0 1 250 0 250 0 2 400 0 285 250 3 285 250 335 300 4 360 325 395 360 5 445 410 470 435 6 545 510 560 525 7 660 625 660 625 8 850 815 835 800 Reference See also m Pressure Difference Control on page 2 52 Defrost Operation on page 2 18 Part 2 Functional Descriptio
153. eshooting ESIE04 01 Error Codes Outdoor Units Outdoor unit PC board A1P 5V i X64A blue a 8 7 GND Black o 2 Microcomputer White 8 A D input a o 2 Measure voltage DC within this space V2792 2 Refer to Low pressure sensor check on page 3 111 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 59 Error Codes Outdoor Units ESIE04 01 3 6 Compressor Motor Lock E5 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes E5 Inverter PC board takes the position signal from UVWN line connected between the inverter and compressor and detects the position signal pattern The position signal with 3 times cycle as imposed frequency is detected when compressor motor operates normally but 2 times cycle when compressor motor locks When the position signal in 2 times cycle is detected Compressor lock High differential pressure 0 5MPa or more starting Incorrect UVWN wiring Faulty inverter PC board Stop valve is left in closed 3 60 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Check the installation conditions Is the stop valve open Is the UVWN wiring normal No Is hihg differential p
154. essor overload except for when startup is detected When position signal is disordered Faulty compressor lock Pressure differential startup Faulty inverter The stop valve is left in closed 3 76 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Caution Check the installation conditions Is the stop valve open the difference between high and low pressure before startup not more than 0 2 of the inverter higher than A see below for each phase NO NO Open the stop valve Insufficient pressure equalization YES Check refrigerant system Compressor overload Turn the main power supply off and then disconnect the connection between the compressor and inverter Check 10 Continuity check in the power transistor IGBT Is the continuity normal Is the inverter output voltage Generated approximatel at the same increasing peed on each phase after turning on again NO Inspection of the compressor and refrigerant is required NO gt Replace the inverter PC board gt Replace the inverter PC board When operating compressor with compressor output line disconnected the compressor stops due to malfunction after elapsed time of 5 seconds Therefore check the voltage increase for 5 second
155. essure abnormally high Yes Correct the high pressure Set the remote control and turn on again Yes Replace the high pressure switch HPS Is the malfunction code of H3 displayed gt Replace the outdoor unit PC board S2582 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 57 Error Codes Outdoor Units ESIE04 01 3 5 Actuation of Low Pressure Sensor E4 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting E4 Error is generated when the low pressure is dropped under specific pressure Defect of low pressure sensor Stop valve is not opened Abnormal drop of low pressure Lower than 0 15 Defect of outdoor unit PC board No Is stop valve opened gt Open stop valve Yes at stop due to malfunction gt Out of gas refrigerant system clogging wiring and piping wrong connection stop valve closed electronic expantion valve fully close malfunction Measure the voltage VL of X64A pin No 2 3 Yes E ds iw 1 gt Replace the low pressure sensor s the relationship between low voltage and VL normal No Replace outdoor unit board 1 Voltage measurement point 2791 3 58 Part 3 Troubl
156. et Factory setting Outdoor L When slightly slow defrost starting E sel aan When slightly quick defrost ri HS starting is set Factory setting 4 When slightly quick defrost Pl starting is set T 771 baan Ag 23 _ La dae _ ud ds sc dc ou Areas Defrost upper limit A When quick defrost F When slow defrost starting is set setting starting is set 16 26 3 01 16 26 3 03 16 26 3 02 rd temperature 40 minutes 3 hours 6 hours m temperature 40 minutes 6 hours 8 hours 2 18 Part 2 Functional Description ESIE04 01 General Functionality Defrost control Defrosting start Defrosting complete Previous control jJ AHz Compressor 4 way valve ON ON OFF I 1 150 pls 480 pls i Motorized valve P T wet protection control i 0 pls 5760 seconds 10 pls 15 seconds I L Outdoor unit fan oN ON OFF i L Indoor fan ON OFF RZQ71 RZQ1008125 A Hz 162 Hz 174 Hz B Hz 122 Hz 164 Hz C Hz 48 Hz 72 Hz Defrost ending The defrost cycle will be ended when one of the following conditions have been reached minimum 1 condition minute after defrost start m Outdoor unit heat exchanger temperature gt 10 m High pressure gt 24 5 bar calculated from LP inv frequency and PI m 10 minutes have elapsed since start of defrost operation
157. etected from pressure detected by low pressure sensor When the suction pipe pressure sensor is short circuit or open circuit m Defect of low pressure sensor system m Connection of high pressure sensor with wrong connection m Defect of outdoor unit PC board The low pressure sensor is connected to X64A blue of outdoor unit PC board A1P No gt Connect low pressure sensor properly and restart system The relationship between the 1 VH and low pressure is normal see 2 when voltage is measure Replace outdoor unit PC board between X64A pins 2 and AIP 3 of outdoor unit PC board A1P see 1 Yes No Replace the low pressure sensor V2808 1 Voltage measurement point Outdoor unit PC board A2P 5V Red o GND r Black x 2 e Microcomputer White 9 input a 2 Measure voltage here V2809 2 Refer to pressure sensor pressure voltage characteristics table on page 3 111 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 70 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 14 Radiation Fin Temperature Increased L4 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution L4 Fin temperature i
158. eyenbs 99 jo dn si uonejeisul eui U NOUL peuinboi si w104 eue Auie AJod Jo joomssejb jo JO wwo ue uonesedo pz senunuoo ey y si 594 eui JO 08 HH PU OE peeoxe y pue eui uSuM E Jeep jo eui 0 euis uonisod siy 1 ejoulaJ jo eseo uonons episui eureJj 1euuI ey uo jeued 10 uonons ey 10 s eumoejnueuu Buryons L SALON OLR BA F Sso 1o EF eee epis uoroeuuoo Part 1 System Outline 1 16 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Remote control code and control wiring connection Air discharge grille Suction grille AJ wy Drain hose Part 1
159. f the error code flashes OON OFF EE MC N TIME 1 RESERVE CANCEL TIMER MODE 3 28 Part 3 Troubleshooting ESIE04 01 Troubleshooting Step Action 6 Press the UP or DOWN button and change the error code lower digit until the receiver of the remote control generates a continuous beep 4 DOWNS E UP DOWN H e EANDOWN 1 RESERVE CANCEL B TIMER 7 MODE 5 Ass 5 3 de A UP L 7 Press the MODE button to return to normal status If you do not press any button for at least 1 min the remote control returns automatically to normal status DONJO EC TIME UP e gt FANDOWN RESERVE CANCEL MODE Part 3 Troubleshooting 3 29 Troubleshooting ESIE04 01 1 7 Overview of Error Codes Malfunction Code Contents Processing Remarks control PCB and inverter PCB Al Failure of PC board ass y for indoor unit Malfunction of drain water level system Indoor unit fan motor overload overcurrent lock Note 1 AF Abnormal drain water level Activation of float switch during compressor off AJ Failure of capacity setting Either capacity data is set incorr
160. g group control pee aan Individual Settings are made using the air flow direc Air flow direction 44 setting tion adjust and fan speed adjust buttons Unit No Confirmation by the confirmation button is required cove 7 Changes unit Set the unit No after changing with the 45 Unit No gramming time buttons change Confirmation by the confirmation button is required 4 22 Part 4 Commissioning and Test Run ESIE04 01 Field settings 2 11 Overview of the Field Settings on the Outdoor Units Remote control The table below contains the remote control settings settings Mode N First Description Second n Details code 01 02 03 04 05 16 or 26 0 Night time low Disabled Automatic Capacity Automatic 4 26 noise operation Factory low noise preceding low noise setting activation setting capacity when preceding using KRP58 option 1 Automatic low 22h00 22h00 20h00 4 26 noise start and 06h00 08h00 08h00 stop time Factory 2 EDP room set Disabled EDP room EDP room 4 30 ting Factory setting setting setting no freeze up 3 Defrost start Standard Defrost Defrost 2 18 ing setting Factory slow start quick start setting ing setting ing setting Jumpers The table below contains the jumper field settings Jumper Label on PCB Function Details JX5 JX5 Set as cooling only
161. g is only carried out during operation because a certain 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 m Cooling OFF m Dry keep m Defrosting Time chart The time chart below illustrates the 4 way valve control ON OEE Cooling Dry Unit mode Heating ON Defrosting OFF 4 way valve ON i i Part 2 Functional Description 2 15 General Functionality ESIE04 01 1 12 Pump Down Residual Operation Outline The unit will conduct a pump down residual operation after each compressor stop command Purpose of this function is to collect the refrigerant in the liquid receiver and outdoor heat exchanger in order to prevent liquid refrigerant from remaining in the indoor heat exchanger Parameters RZQ71B RZQ100 125B Compressor 38 Hz 41 HZ Expansion valve 85 to 0 pulses after 20 seconds Graph Uperatoon Date 100 Gio setting 1 sebpomt it 25 connection System x 2 esl me 90 1 Disch ppe temp 475C 10 O 1 Fin temp ABL
162. gt 5 min Abnormal Error processing Normal Tno EEA 4 Part 2 Functional Description 2 27 Indoor Unit Functional Concept ESIE04 01 Float switch activation during thermostat ON N The thermostat is immediately turned OFF The drain pump continues to operate for minimum 10 minutes even if abnormality is solved within the 10 minutes 3 If the float switch closes again within 80 seconds cooling operation can restart within the 10 minutes recovery period 2 Water level abnormality Float switch Normal ON C ompressor OFF ON Drain pump BEES 5 min 5 5 min Abnormal x Error processing Normal Used inputs Input Connection on indoor PCB Connection on outdoor PCB Float switch 33H X15A 2 28 Part 2 Functional Description ESIE04 01 Indoor Unit Functional Concept 2 4 Condensation Avoidance Control Purpose Applicable units Method Method Avoid condensation on the swing flap when the most downward position of the swing flap position 4 is selected on the remote control This function is applicable for the FHQ units only The condensation avoidance control will function in the following operating modes m Cooling automatic m Dry keep To avoid condensation on the swing flap the condensation avoidance control is activated Stage Description 1 The fan ope
163. he illustration below shows the PCB connectors X20A X27A X11A X10A X33A 19 X60A X61A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A Transformer secondary side X11A T1R Transformer primary side X15A 33H Float switch X17A R3T Coil thermistor X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M2F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A M1A Swing flap motor X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor 1 106 Part 1 System Outline ESIE04 01 PCB Layout 7 5 FCQ71 125B7V3B PCB The illustration below shows the PCB connectors X27A X11A X10A X33A X19A X60A X61A X5A X35A X24A X15A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A Transformer secondary side X11A TIR Transformer primary side X15A S1L Float switch X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M2F Fan motor power suppl
164. he illustration below shows the outlook and the dimensions of the unit mm e gt N LL oj Y gt N m TE o 5 N uonisod 4 9 MIIA UO 15 0 uonejeisul jeued sseooe eorues e 0 SI 1I Are ey JO 104 ey y uidep eu 2 seuossoeooe seuosseooe reuondo 104 Buimesp HOORNO 18434 L SALON Part 1 System Outline 1 20 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote control wiring connection Power supply connection Drain hole Air filter Air suction side BWN Air discharge side E Part 1 System 1 21 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of
165. hen during compressor operation m Thermistor input 4 96 V or m Thermistor output 0 04 V The possible causes are m Malfunctioning connector connection m Malfunctioning thermistor m Malfunctioning PCB Broken or disconnected wire See page 3 102 3 50 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units Troubleshooting Check the connector connection Is it connected gt Correct the properly connection Yes v Check the thermistor resistance Replace the No thermistor Yes Y Check the contact between thermistor and PCB Is the contact OK No Correct contact Y js Indoor liquid pipe thermistor R2T C5 Gaspipe thermistor R3T Replace outdoor C9 Air suction 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 51 Error Codes Indoor Units ESIE04 01 2 8 Malfunctioning Remote Control Air Thermistor Q Error code LED indications Error generation Causes Troubleshooting Caution 9 The table below shows the LED indications Operation HAP green HBP green Normal C C Malfunctioning C C The error is generated when the remote control ther
166. his Manual Target group Purpose of this manual Five parts Introduction overview This service manual is intended for and should only be used by qualified engineers This service manual contains all the information you need to do the necessary repair and maintenance tasks for the Sky Air RZQ series This service manual consists of an introduction five parts and an index Part See page Part 1 System Outline 1 1 Part 2 Functional Description 2 1 Part 3 Troubleshooting 3 1 Part 4 Commissioning and Test Run 4 1 Part 5 Disassembly and Maintenance 5 1 The introduction contains the following topics Topic See page 1 2 Combination Overview ii 1 3 Precautions on handling new refrigerants iv Introduction ESIE04 01 1 2 Combination Overview Introduction FCQ FFQ FBQ FDQ FHQ FUQ FAQ In the tables in this section 2 stands for twin combination 3 stands for triple combination 4 double twin combination and are allowed and guaranteed combinations but they will not be officially mentioned as such in catalogues or databooks The table below contains the possible combinations between indoor units FCQ FFQ and FBQ and outdoor units of the Sky Air RZQ series FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3B FFQ25BV1B FFQ35BV1B FFQ50BV1B FFQ60BV1B FBQ25B7V1 FBQ35B7V1 FBQ
167. idance Control 1 essere 2 30 2 6 Draft Avoidance Control 2 seen 2 31 2 7 Fan and Operations nennen nennen vennerenevenenennveneenneneneenn 2 32 2 8 Indoor control 2 2 ea rate ae en vee 2 33 3 Outdoor Unit Functional Concept 3 1 What ls in This ect aiid diene ae 2 35 3 2 FUNCTION eesti e eee RERO o enti 2 36 3 3 Frequency Regulating Functions 2 39 3 4 Expansion Valve Regulating Functions 2 55 3 5 Outdoor Unit Fan Speed Control sse 2 59 Table of Contents ESIE04 01 Part 3 Troubleshooting 1 Troubleshooting 1 1 What Is in This Chapter nnn ennen nen eeenenenneeeneneneeeenenenenenveennenn 3 3 1 2 General Troubleshooting Flowchart neen 3 4 1 3 Overview of General Problems nanne eenen venne rennerenenenvenn 3 5 1 4 Procedure of Self Diagnosis by Remote Control ee 3 24 1 5 Fault diagnosis by Wired Remote 3 25 1 6 Fault diagnosis by Infrared remote control 3 26 1 7 Overview of Error Codes nnen enn vennenennerenvenneneneenneeenerenvenn 3 30 1 8 Troubleshooting by LED Indications nnen nennen 3 32 1 9 Troubleshooting by
168. ide of compressor hot after unit stop NO Not so hot gt Check compressor size of power cable through total length Replace power cable Check on the cause why overcurrent relay for DM compressor or compressor Refrigerant circuit rotection thermostat acted After vacuum drying charge correct amount of refrigerant Then start operation again Is there any emperature difference between inlet and outlet of expansion Expansion valve malfunction Is there any emperature difference between suction side and discharge side of Four way valve Malfunction of compressor Check compressor 51993 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 13 Troubleshooting ESIE04 01 1 3 5 Equipment operates but does not provide cooling Applicable Model Error Detection Method Error Generating Condition Possible Cause All models of SkyAir series Overcurrent relay for compressor Compressor protection thermostat Overcurrent relay may act due to the following reasons Lower voltage of power supply Excess level of high pressure Insufficient size of power cable Malfunction of compressor Compressor protection thermostat may act due to the following reasons Internal leakage of four way valve There is no difference between suction
169. il the receiver of the remote control starts to beep OON OFF nm Lu UP DOWN RESERVE CANCEL TIMER MODE A SWING 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 O upper digit indication of the error code flashes OON OFF MC TIME DOWN 52 FAN 1 RESERVE CANCEL TIMER MODE MODE SWING Part 3 Troubleshooting 3 27 Troubleshooting ESIE04 01 Step Action 4 Press the UP or DOWN button to change the error code upper digit until the receiver of the remote control starts to beep DOWN 7 ge 5 TIME UP 6 DOWN 8 RESERVE CANCEL TIMER L MODE sl F SWING H A 0 A UP En 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 O lower digit indication o
170. ile working on the unit ventilate the room thoroughly immediately Use R410A only when adding refrigerant Make sure all installation tools are designed for use on R410A refrigerant to withstand the pressure Vacuum pump Use a 2 stage vacuum pump with a non return valve Make sure the pump oil does not flow oppositely into the new system while the pump is not working Use a vacuum pump which can evacuate to 100 7 kPa 5 Torr 755 mmHg Check welded connections for gas leaks if the local piping has welded connections Main piping L1 can be re used size up amp size down is allowed see further in this section for restrictions Re use of branch piping is not allowed Branch piping L2 L7 can be re used but standard pipe size only Pair Twin Triple Double twin HA fet L1 75 L1 L3 ZN node H2 L2 20 9 B te Hi Construction material phosphoric acid deoxidized seamless copper for refrigerant Temper grade use piping with temper grade in function of the pipe diameter as listed in table below The pipe thickness of the refrigerant piping should comply with relevant local and national regulations The minimal pipe thickness for R410A piping must be in accordance with the table below Pipe Temper grade of piping materi
171. imit Wall mounted indoor 109Hz frequency Other than wall mounted 169Hz Lower limit frequency 38Hz Upper limit frequency Lower limit frequency Upper limit frequency Lower limit frequency Heating High outdoor ambient overload conditions In heating overload conditions the outdoor fan speed will be adapted to secure the differential pressure between high and low pressure Hp Lp gt 0 69MPa Compression ratio 2 4 OR Hp Lp gt 1 08MPa Compression ratio 3 2 Ri amp Hp lt 3 2MPa Hp L 0 39MPa SOR Ies ratio Normal operation OR amp unit fan 8 step OR ers HP lt 2 75MPa gt 3 43MPa Hp Lp gt 0 59MPa lt 2 Compression ratio gt 2 2 LP 0 05MP Hp lt 3 33MPa Outdoor unit fan 1 step 30 sec Outdoor unit fan 1 step 30 sec V Only the fan speed will be adapted in heating overload conditions No adjustments to the compressor frequency will be made Part 2 Functional Description 2 53 Outdoor Unit Functional Concept ESIE04 01 3 311 Oil Recovery Operation Outline When the compressor operates for a certain period of time at low frequency the oil level in the compressor may become low due to incomplete oil recovery To prevent damage to the compressor and in worst case avoid compressor lo
172. ing HPS System Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution H3 The protection device circuit checks continuity in the high pressure switch When there is no continuity in the high pressure switch during compressor stops operating Incomplete high pressure switch Disconnection in high pressure switch harness Faulty connection of high pressure switch connector Faulty outdoor unit PC board Disconnected lead wire Is protection HPS connector 1 No correctly connected to gt Connect correctly outdoor unit PC board Yes Wait for 10 minutes after the unit stops operating then check the following No Is there continuity in each protection HPS gt Replace HPS with no continuity Resistance in normal operaton 10Q or less Is there continuity No in lead wire gt Replace the lead wire Replace the outdoor unit PC board 1 Connector symbol 82587 RZQ71 125 X60A Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 67 Error Codes Outdoor Units ESIE04 01 311 Malfunction of Outdoor Fan Motor Signal 7 Remote Control H Display Method of Detection of signal malfunction from outdoor fan motor Malfunction Detection Malfunction When
173. ing 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 normal short circuit The table below contains the reference resistance values m White Grey Black Yellow Red Orange White oo 450 45 Q oo Grey oo oo 45 Q oo 45 0 Black 45 0 oo oo 90 Q oo Yellow oo 45 Q oo oo 90 Q Red 45 Q oo 90 Q oo oo Orange oo 45 0 oo 900 oo 6 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 A1P Part 3 Troubleshooting 3 101 Additional Checks for Troubleshooting ESIE04 01 5 6 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 m Wiring Diagrams outdoor units m Functions of Thermistors on page 2 4 The table below contains an overview of the thermistors Thermistor Description Indoor Suction air thermistor R2T Heat exchanger thermistor R3T Gas pipe thermistor Outdoor RIT Ambient air thermistor R2T Heat exchanger thermistor R3T Discharge pipe
174. ion below shows the wiring diagram of the unit Wiring diagram YIIMS HEL Lj 5 0018 00 5 5 10 yun 100pn0 710891000 uoljerado ue4 uogesado 40 qun fe dsig 18N828u J00pjno 013u09 aowa Palin pue puwa rrTT3 291yUd9 895 5 5 uorjeurquioo aui 0 M3195 i salen au t Azz pasn sl Syy 10091009 ay UBYM si VpzX jun ay 0 uoroauuoo 10 99S 03002 ay ueuM s1ojonpuoo 1eddoo asp 18930 YOJIMS 10 29 95 195 dEn feje onauben 1109 2015101901 LEU pmbr ioiuueu 12u 1 SUUM LHM EN voer 810109 Part 1 System Outline 1 88 Wiring Diagrams ESIE04 01 FCQ71 125B7V3B 6 5 The illustration below shows the wiring diagram of the unit Wiring diagram 10 Jeydepy JO PoIpul uonejodo 10 101u02 24 aowa Bunoeuuoo
175. itch Box Layout 5 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 5 2 RZQ71B7V3B 1 74 5 3 RZQ100B7V3B 1 75 Indoor units This chapter contains the following switch box layouts PCB layout See page 5 4 FCQ35B7V1 FCQ71B7V3B 1 76 5 5 FCQ100 125B7V3B 1 77 5 6 FFQ35 60BV1B 1 78 5 7 FBQ35B7V1 FBQ125B7V3B 1 79 5 8 FDQ125B7V3B 1 80 5 9 FHQ35BUV1 FHQ125BUV1B 1 81 5 10 FUQ71 125BUV1B 1 82 5 11 FAQ71BUV1B 1 83 5 12 FAQ100BUV1B 1 84 Part 1 System Outline 1 73 Switch Box Layout ESIE04 01 5 2 RZQ71B7V3B 1 The illustration below shows the switch box layout A2P Item Description Printed circuit board control A2P Printed circuit board inverter X1M Terminal strip 1 74 Part 1 System Outline ESIE04 01 Switch Box Layout 5 3 RZQ100B7V3B The illustration below shows the switch box layout A2P X1M Item Description Printed circuit board control A2P Printed circuit board inverter X1M Terminal strip Part 1 System Outline 1 75 Switch Box Layout ESIE04 01 5 4 FCQ35B7V1 FCQ71B7V3B The illustration below shows the switch box layout
176. itions 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 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 3 105 Additional Checks for Troubleshooting ESIE04 01 5 10 In cooling operation In heating operation Evaluation of abnormal low pressure Abnormally low pressure level is mostly caused by the evaporator side The following contents are provided based on field checking of service engineer Further the number is listed in the order of degree of influence Check items Possible causes Does the outdoor unit fan run normally Judgment Visual inspection Is the indoor unit filter clogged Visual inspection Is there clogging before or after the EV capil l
177. its inertia Off NEE SSG TRING H ense r Flap Poo Loo en Kee Coos Flap motor starts Vese stes to drive the flap Defrosti efrosting CORN PEERS Flap moves from setting position to PoO Used inputs The draft avoidance control 1 uses the following inputs Input Connection on Connection on indoor PCB outdoor PCB Limit switch for flap 33S No of fan turns X26A Outdoor heat exchanger thermistor defrost control R2T 2 30 Part 2 Functional Description ESIE04 01 Indoor Unit Functional Concept 2 6 Draft Avoidance Control 2 Purpose The purpose of the draft avoidance control 2 is to avoid draft when the flap is moving Starting conditions The draft avoidance control 2 is activated when m Hot start is finished or m Cold air prevention control is finished Time chart If the fan speed is set to H the fan turns at low speed for a certain amount of time F AN an 4 OFF LL Flap Setting T 24s Poo 4 FCQ T 5s Hot start finished t il 5 Draft avoidance control 2 uses the following inputs Connection on Connection on indoor PCB outdoor PCB Limit switch for flap 335 No of fan turns X26A Part 2 Functional Description 2 31 Indoor Unit Functional Concept ESIE04 01 2 7 Fan and Flap Operations Cooling operation The table below contains the fan and flap operations
178. l Description ESIE04 01 Outdoor Unit Functional Concept 3 2 1 Function Outline in Cooling Mode Flow chart Cooling Dry operation Power supply ON Initialize motorized valve Initialize microcomputer O Stopping Crank case h eater control Preheating operation control operation Remote control judgement Cooling Dry Operation mode judgement Cooling Dry Heating Heating Emergency operation Thermostat judgement 4 way Starting control changeover Normal Compressor Motorized val PMV control control step control ve PI control Low pressure protection control High pressure protection control Discharge pipe temperature protection control Inverter current protection control Inverter fin temperature protection control Overall current protection control Low outdoor temperature cooling control Simulated operation Y Oil recovery Thermostat OFF judgement Remote Standb Malfunction operation starting Thermostat OFF by A Tr control tud de stop judgement operation OFF judg judgement Thermostat OFF by freeze up judgement protection Oil recovery operation Pump down residual operation Restart standby
179. l low 3 106 5 11 Checks itor ee meque edet eet tesi it 3 107 vi Table of Contents ESIE04 01 Part 4 Commissioning and Test Run 1 Pre Test Run Checks 1 1 What Is in This Chapter ASPA 4 3 1 2 Test eec eR ai eens 4 4 1 3 Setting the Infrared remote control sssseeee 4 5 2 Field settings 2 1 What Is in This Chapter NEN 4 9 2 2 How to Change the Field Settings with the Wired Remote Control 4 10 2 3 How to Change the Field Settings with the Infrared Remote Control 4 12 2 4 Overview of the Field Settings on the Indoor Units 4 13 2 5 Overview of the Factory Settings on the Indoor 4 14 2 6 Setting the Ceiling Height nnen venneeene ren vennenenvenn 4 15 2 7 Setting the Filter Counter 4 16 2 8 MAIN SUB Setting when Using Two Remote Controls 4 17 2 9 Setting the Centralized Group No esee 4 18 2 10 The Field Setting Levels 4 20 2 11 Overview of the Field Settings on the Outdoor Units 4 23 2 12 Overview of the Factory Settings on the Outdoor Units 4 25 2 13 Silent Operation an 12 nre ener reete et Het E AREA 4 26 2 14 Demand FUNCION
180. le timer icon 33 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 ESIE04 01 Field settings Setting To set the field settings you have to change m Mode No m First code No m Second code No To change the field settings proceed as follows Step Action 1 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mode 2 Press the TEMPERATURE CONTROL button until the desired Mode No appears 3 m Ifthe indoor unit is under group control all settings for all the indoor units are set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step m f you want to set the indoor units of one group individually or if you want to read out the last settings use the codes 20 to 25 which are displayed in brackets Press the TIMER SELECTION button to select the 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 5 Press the lower part of the PROGRAMMING TIME button to select the Second code No 6 Press the CONFIRMATION button to confirm the
181. line Details Graph Expansion valve opening during pressure equalization Ending condition Before going to the general expansion valve control the expansion valve opening will be limited in order to avoid the risk of liquid back and allow quick build up of pressure difference During startup the opening degree is determined by both the compressor frequency amp the suction superheat During startup it is not possible to use only the value of the suction superheat because the operation is not stable yet As a consequence also the SH value will not be stable Pressure Pressure Starting equalizing equalizing control start complete complete Pressure equalizing control before i i Starting control compressor start 82071 78 Hz RZQ100 amp 125 107 Hz 1 i Compressor L H5 62071 480 pls 1 mal 1 1 1 1 1 1 1 1 Motorized f RZQ100 125 1 65 pls On RZQ71 units using double swing compressor the expansion valve will be fully opened to 480 pulses for pressure equalisation before compressor start up Just before compressor start up the expansion valve opening will be set to 65 pulses same as for the 100 amp 125 class The starting control will be terminated when the low pressure value 6 bar or when the maximum starting time of 10 minutes has been reached in case the low pressure value stays 6 bar 2 56 Part 2 Functional Description
182. llation and service space mm The values in brackets are for the 100 and 125 class m Do not stack more than one unit m 100 is required as the dimension for laying the upper outdoor unit s drain pipe Get the portion A sealed so that air from the outlet does not bypass Obstacles exist in front of the outlet side Obstacles exist in front of the air inlet The illustration below shows the required installation and service space mm The values in brackets are for the 100 and 125 class Installation of one unit per row Installing multiple units 2 units or more in lateral connection per row Relation of dimensions of H A and L are shown in the table below L A O L lt 1 2H 150 250 L lt H 1 2H lt L 200 300 H lt L installation impossible Part 1 System Outline General Outline Outdoor Units ESIE04 01 1 10 Part 1 System Outline ESIE04 01 General Outline Indoor Units 2 General Outline Indoor Units 2 1 What Is in This Chapter Introduction This chapter contains the following information on the indoor units m Outlook and dimensions m Components General outline This chapter contains the following general outlines General outline See page 2 2 FCQ35B7V1 FCQ71B7V3B 1 12 2 3 FCQ100 125B7V3B 1 14 2 4 FFQ35 60BV1B 1 16 2 5 FBQ35B7V1 amp FBQ50B7V1 1 18 2 6 FBQ60B7V1 FBQ71B7V3B 1 20 2 7 FBQ
183. malfunction signal is detected at the start of fan motor operation Decision Conditions Supposed Causes m Malfunction of fan motor signal circuit failure m Disconnection short of fan motor lead wire and coming off the connector m Faulty PC board Troubleshooting Disconnect the power supply Is the connector No of fan motor gt Connect correctly connected correctly Yes Check No 9 Check the fan motor connector Yes Is the resistance value normal in above connector check No gt Replace the fan motor gt Replace the PC board Connector symbol of fan motor Model name Connector symbol RZQ71 206 RZQ100 to 125 206 207 Caution for service If the outdoor fan rotates due to strong wind voltage generates in main circuit capacitor To prevent electric shock make sure the low voltage of main circuit 50 VDC or lower before carrying out troubleshooting To prevent PC board from being damaged touch the earth connector in an electric parts box immediately before the inserting and extracting the connector which discharges the static from human body 82588 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 68 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 12 Malfunction of Thermistor System 3 J 5 6 Remo
184. minal strip for P1 P2 X35A X1A on KRP4 Connector to group control adaptor power supply 16 VDC for optional PCB KRP4 X36A M1S Swing flap motor Part 1 System 1 115 ESIE04 01 7 14 FAQ100BUV1B PCB The illustration below shows the PCB connectors X61A X60A X27A X11A x m X98A X20A X25A X29A X24A X35A X15A X5A X10A X26A X18A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A X2A on A2P Transformer PCB secondary side X11A X1A on A2P Transformer PCB primary side X14A 510 Limit switch swing flap X15A Connector float switch X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A M1P Drain pump motor X26A M1F Fan motor feedback signal X27A X2M Power supply amp communication X29A M1S Swing flap motor X35A X1A on KRP4 Connector to group control adaptor power supply 16 for optional PCB KRP4 X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor X98A C1 for fan motor 1 116 Part 1 System Outline ESIE04 01 Part 2 Functional Description What is in this part This part contains information on the functio
185. mistor becomes disconnected or shorted while the unit is running Even if the remote control thermistor is malfunctioning the system can operate with the system thermistor The possible causes are m Malfunctioning thermistor m Broken wire Turn the power supply off once and then back on Is CJ displayed on the YES remote control Replace remote control Could be outside cause noise other than malfunction Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 52 Part 3 Troubleshooting 251204 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 control display The error code helps you to find the cause of the problem 3 Overview This chapter contains the following topics Topic See page 3 2 Actuation of Protection Device EO 3 54 3 3 Failure of Outdoor Unit PC Board E1 3 55 3 4 Abnormal High Pressure Detected by the HPS E3 3 56 3 5 Actuation of Low Pressure Sensor E4 3 58 3 6 Compressor Motor Lock E5 3 60 3 7 Malfunction of Outdoor Unit Fan Motor E7 3 62 3 8 Malfunction of Electronic Expansion Valve 9 3 63 3 9 Malfunctioning in Discharge
186. mption from the system e g budget control limit power consumption during peak moments Setting 3 different demand setting can be selected by using terminal X801M m Demand 1 Close contact between COM and contact 1 m Demand 2 Close contact between COM and contact 2 m Demand 3 Close contact between COM and contact 3 Transmission connector A on outdoor X64 Power supply connector _ a on outdoor PCB 77 214 VLA CLA Output 801 12VDC 12mA Maximum wire length x 77 100 meter 7h BUM EEE is LE PTS Li mr 4 28 Part 4 Commissioning and Test Run ESIE04 01 Field settings Demand 1 Power consumption limitation in function of setting on DS1 DS1 SETTING 1 2 Consumption OFF OFF 60 Ip 1234 N OFF 70 pl 1234 OFF ON 80 1234 ON 100 alal 1234 Demand 2 Power consumption limitation set to 40 Demand 3 Forced thermostat OFF Part 4 Commissioning and Test Run 4 29 Field settings ESIE04 01 2 15 Setting for Low Humidity Application Purpose Definition of Low Humidity Area Caution Can be set when using the RZQ units for year round cooling in low humidity applications such as computerrooms EDP rooms technical rooms etc to increase
187. n disharge temperature Temperature differential suction temperature discharge temperature Measure the suction m 15 Over charged with refrigerant 16 Air is mixed inside the refrigerant circuit 17 The pressure switch is broken 18 The outdoor unit fan motor s magnetic Switch is broken 19 The outdoor unit fan motor s auxiliary relay is broken minutes to elapse after turning ON NO Runs 20 The outdoor unit s heat exchanger is dirty 21 There is something blocking the outdoor unit s air flow 22 Malfunction of the outdoor unit s fan 23 The indoor unit s air filter is dirty 24 The indoor unit s heat exhanger is dirty 25 There is something blocking the indoor unit s air flow 26 Malfunction of the indoor unit s fan Operation is normal Is there something causing the indoor load to be far such as an open window or door YES gt Temperature NO differential is 8 18 C Temperature NO discharge temperature differential is 14 30 C Operation is normal 5 there something causing the indoor heat load to be large such as an open window or door YES p 27 Overcurrent relay for compressor 28 Compressor s protective themostat 29 The causes for the overcurrent relay for compressor being actuated are 29 1 Power supply v
188. n 2 61 Outdoor Unit Functional Concept ESIE04 01 2 62 Part 2 Functional Description ESIE04 01 Part 3 Troubleshooting What is in this part This part contains the following chapters Chapter See page 1 Troubleshooting 3 3 2 Error Codes Indoor Units 3 39 3 Error Codes Outdoor Units 3 53 4 Error Codes System Malfunctions 3 89 5 Additional Checks for Troubleshooting 3 97 Part 3 Troubleshooting 3 1 ESIE04 01 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 Troubleshooting 1 1 What Is in This Chapter Introduction When aproblem occurs you have to check all possible malfunctions This chapter gives a general idea of where to look for malfunctions 3 Not all repair procedures are described Some procedures are considered common practice Overview This chapter contains the following topics Topic See page 1 2 General Troubleshooting Flowchart 3 4 1 3 Overview of General Problems 3 5 1 4 Procedure of Self Diagnosis by Remote Control 3 24 1 5 Fault diagnosis by Wired Remote Control 3 25 1 6 Fault diagnosis by Infrared remote control 3 26 1 7 Overview of Error Codes 3 30 1 8 Troubleshooting by LED Indications 3 32 1 9 Troubleshooting by Remote Control Display LED Display 3 34 1 10 Overview of the Outdoor Safety Devices 3 37 1 11 Overview of the Indoor Safety Devices 3 38 Part 3 Tro
189. n pump continues to not operating operate for several minutes after equip ment is turned off 21 Horizontal swing sends air to different It is normal The airflow direction in cool directions in cooling and heating even if it ing dry operation is different from that in is set to the same position heating fan operation 22 Flap remains horizontal even if itis setto Itis normal The flap does not swing in the Swing thermostat OFF mode Part 3 Troubleshooting Troubleshooting ESIE04 01 1 3 1 Equipment does not operate Applicable Model Error Detection Method Error Generating Condition Possible Causes All models of SkyAir series Fuse blown or disorder of contact in operation circuit Faulty operation switch or contact point Faulty high pressure switch Faulty magnetic switch for fan motor Activation or fault of overcurrent relay for fan motor Faulty overcurrent relay for compressor Faulty compressor protection thermostat Insufficient insulation in electric system Faulty contact point of magnetic switch for compressor Malfunction of compressor Fefective remote control or low batteries infrared Check if address is set correctly on infrared R C Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Caution 15 power switch OFF or fuse for Turn on power switch or replace power switch fuse If high harmonics
190. n the back of the receiver If you use a wired and a infrared remote control for one indoor unit proceed as follows 1 Set the wired remote control to MAIN On the remote control 2 Setthe infrared remote control to SUB On the receiver with the MAIN SUB switch SS1 MANNSUE MAIN Ue Seal off the opening of the address switch and the MAIN SUB switch with the attached sealing pad Sealing pad Hg 4 Small opening Receiver 7 Make sure to also change the address on the remote control Part 4 Commissioning and Test Run 4 5 Pre Test Run Checks ESIE04 01 Setting the address for the infrared remote control The address for the infrared remote control 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 mode The display indicates the field set mode OON OFF vow itd TIME SETTING uE DOWN FAN RESERVE CANCEL FILTER RESET TEST 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 0 ON OFF e TIME SETTING UP DOWN e FAN FAN RESER
191. nit models Indoor unit microcomputer detects and judges the centralized address signal according to the transmission between indoor units When the microcomputer judges that the centralized address signal is duplicated m Faulty centralized address setting Faulty indoor unit PC board Are devices Yes es to centraiizad gt Change the setting so that the centralized to the indoor address is not duplicated unit No gt Replace the indoor unit PC board 52607 Be sure to turn off power switch before connect disconnect connector parts damage be occurred 3 96 Part 3 Troubleshooting ESIE04 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 Indoor Unit Checking the Fan Motor Hall IC 3 98 5 3 Indoor Unit Checking the Power Supply Wave Form 3 99 5 4 Outdoor unit Checking the Installation Condition 3 100 5 5 Outdoor Unit Checking the Expansion Valve 3 101 5 6 Checking the Thermistors 3 102 5 7 Resistance Conversion Table Ambient Coil Fin 3 103 5 8 R3T Resistance Conversion Table Discharge Pipe Sensor 3 104 5 9 Evaluation of abnormal high pressure 3 105 5 10 Evaluation of abnormal lo
192. nit used for Twin System No Check setting No of Connected Twin System Indoor Units of indoor unit Is the setting of Pair Twin Triple set correctly No gt Set correctly Is the indoor indoor and _indoor outdoor jumper correctly connected normal monitors HAP of all indoor unit PCB flashing Connect correctly Is the power supply PCB correctly connected Are the transmission normal monitors HBP of all indoor unit PCB flashing Connect correctly 220 240 VAC between No 1 and No 3 of X2M indoor Unit Replace the transformer Turn the power off once then back on and restart operation Wiring could be incorrect recheck indoor indoor and indoor outdoor jumper correctly connected Operating normally Connect correctly Indoor unit PCB replacement gt Operates normally Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 95 Error Codes System Malfunctions ESIE04 01 4 6 Centralized Address Setting Error UC Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution UC All indoor u
193. ns of the unit mm dimensions Installation See 1 8 service space 1 6 Part 1 System Outline ESIE04 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 Electronic connection and grounding terminal M5 inside the switch box Refrigerant piping intake Power supply wiring intake Control wiring intake AJ wy Drain outlet Part 1 System General Outline Outdoor Units ESIE04 01 1 4 RZQ71 RZQ100 and RZQ125 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 Suction side obstacle Discharge side obstacle Right side obstacle Top side obstacle 4 y Left side obstacle d Obstacle is present 1 In these cases close the bottom of the installation frame to prevent discharged air from being bypassed 2 Inthese cases only 2 units can be installed ra This situation is not allowed Part 1 System Outline ESIE04 01 General Outline Outdoor Units Stacked Multiple rows The illustration below shows the required insta
194. ns used to control the system Understanding these functions is vital when diagnosing a malfunction that is related to the functional control Overview This part contains the following chapters Chapter See page 1 General Functionality 2 3 2 Indoor Unit Functional Concept 2 25 3 Outdoor Unit Functional Concept 2 35 Part 2 Functional Description 2 1 ESIE04 01 Part 2 Functional Description ESIE04 01 General Functionality 1 General Functionality 1 1 What Is in This Chapter Introduction This chapter will explain all functions not related to the compressor frequency control outdoor unit fan control and expansion valve control These functions have been programmed to ensure the unit s reliability and lifetime enable the operation in case of malfunction or increase the customer s comfort Overview This chapter contains the following topics Topic See page 1 2 Functions of Thermistors 2 4 1 3 Forced Operating Mode Emergency Operation 2 6 1 4 Outdoor Unit Identification Function 2 8 1 5 Simulated Operation Function 2 9 1 6 Restart Standby 2 10 1 7 Automatic Restart 2 11 1 8 Using Conditions for Remote Control Thermostat 2 12 1 9 Forced Thermostat OFF 2 13 1 10 Test run control 2 14 1 11 4 way Valve Control 2 15 1 12 Pump Down Residual Operation 2 16 1 13 Down Operation 2 17 1 14 Defrost
195. nuity S2678 If there is continuity the resistance should be the same as each phase If a digital tester is used for the measurement of continuity e and continuity may be reversed 3 110 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5111 Outdoor unit Check LPS Measure the voltage DC between pins 2 and 3 of the connector W For RZQ71 125 models Outdoor voltage DC here 5V Blue Red Black Low pressure Microcompute r A D input o White _ sensor voltage DC here S2680 Detected Pressure Pa A ipu MPs High Pressure PH T 118 37 Low Pressure PL ais j ye 1 1 3 J T Output voltage VH VL 3 es DEI PH 1 38V 0 69 PH Detected Presuure High side MPa PL 0 57V 0 28 PL Detected Presuure Low side MPa PH High pressure MPa VH Output voltage High side Vdc PL Low pressure MPa VL Output voltage Low side Vdc V Voltage V Part 3 Troubleshooting 3 411 Additional Checks for Troubleshooting ESIE04 01 3 112 Part 3 Troubleshooting ESIE04 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
196. ol Preheating operation control RZQ71 Heating Defrost control PMV control Forced thermostat OFF Overall current protection control Preheating operation control RZQ71 5 Discharge pipe 6 Suction pipe 7 Inverter power module R3T RST Cooling Discharge superheat control Expansion valve control Crankcase heater preheating control Heating Cooling Expansion valve control Crankcase heater preheating control Expansion valve control SH control Heating Cooling Expansion valve control SH control Suction pipe superheat protection control Outdoor fan speed control Inverter fin temperature control Pressure difference control Heating Inverter fin temperature control Part 2 Functional Description General Functionality ESIE04 01 1 3 Forced Operating Mode Emergency Operation Purpose Siarting conditions Ending conditions The table below describes the purpose of the forced operating mode If Then R C is defective Indoor PCB is defective Outdoor PCB is defective Forced operating mode can be used to go to cooling or heat ing In forced operating mode the compressor is forced to operate until the defective indoor or outdoor PCB is back online You can operate the system manually by changing the emergency switch on the indoor and outdoor PCB from normal to emergency
197. ol can be used for HFCs Vacuum pump m To use existing pump for HFCs pump with reverse flow O ee adaptor must he preventive function Sets Weighting instrument Charge mouthpiece m Seal material is different between T R22 and HFCs m Thread specification is different between R410A and others Flaring tool Clutch m For R410A flare gauge is type necessary Torque wrench O m Torque up for 1 2 and 5 8 Pipe cutter Pipe expander Pipe bender Pipe assembling oil m Due to refrigerating machine oil X change No Suniso oil used Refrigerant recovery Check your recovery device device Refrigerant piping See the chart below m Only 619 1 is changed to 1 2H material while the previous material is As for the charge mouthpiece and packing 1 2UNF20 is necessary for mouthpiece size of charge hose vii Introduction ESIE04 01 Copper tube material and thickness R407C R410A Pipe size Material Material Thickness tmmj tmmj 6 4 0 8 0 8 9 5 0 8 0 8 12 7 0 8 0 8 15 9 1 0 1 0 19 1 1 0 1 2 1 0 Soft Annealed Hard Drawn Flaring tool Flare gauge L FA JAPAN a ef m Specifications Dimension A Nominal size Tube O D A0 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 1
198. oltage is lower than prescribed 2 High pressure is too high 3 The power supply cord is too small 4 The compressor is broken The causes for the compressor s protective thermostat 30 1 Internal leak of the 4way valve No substantial difference between suction and discharge temperature 30 2 Unsatisfactory compression from the compressor 30 3 Different kind of refrigerant is charged 30 4 Malfunction of the expansion valve 30 5 Unsatisfactory refrigerant circulation 29 29 29 30 OK We ll be right over room Temperature differential discharge temperature suction temperature Service work required 81989 3 4 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 3 Overview of General Problems Overview Equipment Condition Remedy 1 Equipment does not operate See page 3 6 2 Fan operates but compressor does not See page 3 6 3 Cooling heating operation starts but stops See page 3 10 immediately 4 After unit shuts down it cannot be See page 3 12 restarted for a while 5 Equipment operates but does not provide See page 3 14 cooling 6 Equipment operates but does not provide See page 3 16 heating 7 Equipment discharges white mist See page 3 18 8 Equipment produces loud noise or shakes See page 3 19 9 Equipment discharges dust See page 3 20 10 Remote control LCD displays 88 See page
199. olts used in logic circuits It functions like non volatile RAM but writing to EEPROM is slower than writing to RAM The possible cause is a malfunctioning indoor PCB Switch the power off and on again to restart 2 Replace indoor Normal reset No gt PCB Yes Y 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 connect or disconnect connector or parts damage may be occurred 3 40 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units 2 3 Malfunction of Drain Water Level System A3 Error code A3 LED indications The table below shows the LED indications Operation HAP green HBP green Normal Malfunctioning Error generation The error is generated when the water level reaches its upper limit and when the float switch turns OFF Causes The possible causes are Malfunctioning drain pump Improper drain piping work Drain piping clogging Malfunctioning float switch Malfunctioning indoor unit PCB Malfunctioning short circuit connector X15 on PCB Part 3 Troubleshooting 3 41 Error Codes Indoor Units E
200. onds or more disconnect the connection wire 2 Then turn on the power switch If the HAP on the outdoor unit PCB flashes after about 10 seconds the indoor unit PCB is faulty 3 Also check for open phase The error detection monitor continues to indication the previously generated error until the power switch is turned off Be sure to turn off the power switch after inspection Part 3 Troubleshooting 3 33 Troubleshooting ESIE04 01 1 9 Troubleshooting by Remote Control Display LED Display Explanation for C LED blinks W LED on X LED off No connection with troubleshooting Symbols High probability of malfunction O Possibility of malfunction O Low probability of malfunction No possibility of malfunction do not replace 1 9 1 Indoor malfunctions Indoor Indoor Unit Remote Location of Malfunction Contents of Malfunction Details of Unit Mal LED Display Control Malfunction functions Note 2 Display Reference Page H1P H2P Other PC Board tado Out Indoor Remote door Unit Control Unit C C Note 1 Normal to outdoor unit C w Al Malfunction indoor unit PC 3 40 C board For troubleshooting Ww by LED refer to p 32 C C A3 Malfunction of drain water 3 41 level system C C AF Malfunction of drain sys
201. ooting 3 17 Troubleshooting ESIE04 01 1 3 7 Equipment discharges white mist Applicable Model Error Detection Method Error Generating Condition 3 Possible Cause Troubleshooting Caution All models of SkyAir series Humid installation site Installation site is dirty and with dense oil mists Soiled heat exchanger Clogged air filter Malfunction of fan motor Is the room temperature higher than YES set value in cooling Continue unit operation operation NO Is white fog coming out from the unit Normal It may be necessary to remove the source of humid condition r Remove the source of humid condition Is the heat YES exchanger of indoor unit soiled p NO Cleaning of heat exchanger is necessary Is the site dusty or with dense oil mist YES Dust or oil mists should be removed gt Remove the source of oil mist or dust Is the airflow rate too small Clogged air filter Malfunction of fan motor YES Possible causes as follows m gt Cleaning of air filter Check fan motor Did the trouble generate on switching to heating mode Refer error code A6 Normal after complete of defrosting during heating Fog is generated due to defrosting operation 51996 Be sure to turn off power switch before connect
202. or and remote control U8 Transmission error between 3 93 main remote control and sub remote control UA Excessive indoor units connected 3 94 to this system UC O Centralized address setting error 3 96 3 36 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 10 Overview of the Outdoor Safety Devices High pressure switch Fuse Open Close 82071 4 0 0 0 15 3 0 0 15 6 3A 250V RZQ100 RZQ125 Part 3 Troubleshooting 3 37 Troubleshooting ESIE04 01 111 Overview of the Indoor Safety Devices Thermal protector Thermal fuse fan motor Abnormal Reset automatic FFQ35 60 gt 130 C 5 C lt 83 C 20 C N A FCQ35 71 gt 130 C 5 C lt 83 C 20 C 100 125 gt 140 5 lt 45 15 FBQ35 125 N A N A gt 152 C FDQ125 N A gt 160 5 125 gt 130 5 lt 83 20 FUQ71 125 gt 130 C 5 C lt 83 C 20 C FAQ71 100 gt 130 C 5 lt 83 C 20 C 3 38 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units 2 Error Codes Indoor Units 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 control di
203. or more after operation starts When Cooling Air Conditioner Status Low Pressure High Pressure Running Current Air Filter Fouling Lower Lower Lower Short Circuit of Indoor Unit Lower Lower Lower Inlet Outlet Air Outdoor Unit Fin Fouling Higher Higher Higher Short Circuit of Outdoor Unit Higher Higher Higher Inlet Outlet Air Air Mixed in Refrigerant Higher Higher Higher Water Mixed in Refrigerant 1 Lower Lower Lower Dirt Mixed in Refrigerant 2 Lower Lower Lower Lack of Refrigerant Gas Lower 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 Higher Higher Higher Inlet Outlet Air Outdoor Unit Fin Fouling Lower Lower Lower Short Circuit of Outdoor Unit Lower Lower Lower Inlet Outlet Air Air Mixed in Refrigerant Higher Higher Higher Water Mixed in Refrigerant 1 Lower Lower Lower Dirt Mixed in Refrigerant 2 Lower Lower Lower Lack of Refrigerant Gas Lower Lower Lower Unsatisfactory Compression 3 Higher Lower Lower m 1 Water in the refrigerant freezes inside the capillary tube or expansion valve and is basically the same phenomenon as pump down m 2 Dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon as pump down 3 Pressure differen
204. ors x output 1x62W 1x 130 W Part 1 System 1 51 Specifications ESIE04 01 3 8 FUQ Technical The table below contains the technical specifications specifications Specification FUQ71BUV1B FUQ100BUV1B FUQ125BUV1B Heat exchanger Rows x stages x fin pitch 3x6x1 5 3x8x1 5 Face area 0 265 m 0 353 m Tube type N Hix Fin type Multi louver Fan Air flow rate cooling high 19 0 m3 min 29 0 m min 32 0 m min Air flow rate cooling low 14 0 m3 min 21 0 m3 min 23 0 m min Air flow rate heating high 19 0 m min 29 0 m min 32 0 m min Air flow rate heating low 14 0 m3 min 21 0 m3 min 23 0 m min Qty x model 1x QTS48A10M 1x QTS50B15M Fan speed 2 steps Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Air filter Resin net with mold resistant Temperature control Insulation Heat Heat resistant foamed polyethylene regular foamed polyethylene Sound absorbing Weight Unit 25 kg 31 kg Gross 31 kg 38 kg Electrical The table below contains the electrical specifications specifications Specification FUQ71BUV1B FUQ100BUV1B FUQ125BUV1B Phase 15 Voltage 50 Hz Frequency 220 240 V Fan motor FLA Full load amps Power consumption Cooling 289 W Power consumption Heating No of motors x output 1 52 Part 1 System Outline
205. otor X207A R5T Power module thermistor Part 1 System Outline 1 103 ESIE04 01 7 3 RZQ100B7V3B Control PCB The illustration below shows the PCB connectors X64A X26A X18A X17A X19A X20A X6A X12A X77A i X28A X25A X22A Connectors The table below describes the PCB connectors Connector Connected to Description X1A X1M Terminal strip connector X3A X205A on inverter PCB X6A For optional PCB KRP58M51 X12A Expansion X17A R3T Discharge thermistor X18A Suction thermistor X19A R2T Coil thermistor X20A Air thermistor X22A Y1S 4 way valve X25A J1HC Crankcase heater X26A Connector for spare part adaptor X28A Y2S Solenoid valve X64A S1NPL Low pressure sensor X77A For optional PCB KRP58M51 1 104 Part 1 System Outline ESIE04 01 PCB Layout Inverter PCB A2P The illustration below shows the PCB connectors X60A X205A X206A X207A Connectors The table below describes the PCB connectors Connector Connected to Description X60A S1PH High pressure switch U V W N M1C Compressor motor X205A X3A on control PCB X206A M1F Fan motor X207A M2F Fan motor Part 1 System Outline 1 105 ESIE04 01 1 7 4 FCQ35 60B7V1 PCB T
206. ous overcurrent detection value Correct the power supply Compressor inspection Inspect according to the diagnosis procedure for abnormal noise vibration operating status etc RZQ71 20A of the compressor 65A RZQ100 125 S2592 Caution occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting 3 73 Error Codes Outdoor Units ESIE04 01 3 16 Electronic Thermal Time Lag 18 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes L8 Malfunction is detected by converting the current flowing to power transistor into voltage with CT1 DC current sensor Inverter PC board detects the disorder of position signal When compressor overload except for when startup is detected Compressor overload during operation Disconnected compressor coil Faulty inverter Faulty compressor if bearing is scratched 3 74 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting secondary current of the inverter higher than see below for connection between the compressor and inverter Compressor overload YES Inspection of the compressor and Turn the main power supply off and then disconnect the Check No 10 Continuity check in the p
207. out Cleaning for inside of indoor unit is necessary Install air filter 51998 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 20 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 3 10 Remote control LCD displays 88 Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause Troubleshooting Trouble generates just after power supply ON Is the position of SS 1 on indoor unit PCB at Emergency NO YES YES The unit is checking to confirm that remote control is normal Indication appears for short time Check the unit based on indoor unit LED and outdoor unit LED Trouble Shooting gt Turn the switch to Normal and reset power supply 81999 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 21 Troubleshooting ESIE04 01 1 311 Swing flap does not operate Applicable Models FUQ FHQ FAQ100 Method of Utilizes ON OFF of the limit switch when the motor turns Malfunction Detection Malfunction When ON OFF of the micro switch for positioning cannot be reversed even through the swing flap Decision motor for a specified amount of time about 30 seconds Conditions Rem
208. ower inverter output voltage generated approximately at the same increasing speed on each phase after turning on again U V V W W U refrigerant system is required Replace the inverter PC board NO gt Replace the inverter PC board When operating compressor with compressor output line disconnected the compressor stops due to malfunction after elapsed time of 5 seconds Therefore check the voltage increase for 5 seconds Compressor inspection Inspect according to the diagnosis bd Electronic thermal detection value gt procedure for abnormal noises vibration operating status etc of the compressor Detection value Cooling 22A x 5 seconds 82071 ee 1364 cooling 15 1A Heating heating 260 seconds RZQ100 125 Cooling 33A 5 seconds or Heating 26A x 260 seconds S2593 Caution occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting 3 75 Error Codes Outdoor Units ESIE04 01 3 17 Stall Prevention Time Lag L9 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes L9 Malfunction is detected by converting the current flowing to power transistor into voltage with CT1 DC current sensor Inverter PC board detects the disorder of position signal When compr
209. perature of suction air and supply air Temperature difference Suction air temp Supply air temp Temperature difference for heating should be between 14 and 30 C Does the heat load increase after installation of the unit NO No abnormality YES No abnormality Incorrect selection of model Affection of sunlight Affection of excessive fresh air into room m Additional unit installation should be considered Is the operation YES current less than specified level Gas shortage possibly generates trouble After vacuum drying charge correct amount of refrigerant Does indoor unit air flow rate down Clogged air filter Soiled heat exchanger Malfunction of indoor fan Bef A I Check each item Is the level of high pressure lower han normal level YES Refrigerant overcharge Soiled heat exchanger Short circuit of discharge air Disturbing item in air flow Malfunction of fan motor of outdoor unit Refer error code E7 H7 Check each item Insufficient compression of compressor Check each item Insufficient circulation of refrigerant Faulty expansion valv Caution occurred 51995 Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troublesh
210. place the indoor unit 220 240 VAC PC board Replace the swing motor assembly S2577 Caution occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting 3 23 Troubleshooting ESIE04 01 1 4 Procedure of Self Diagnosis by Remote Control The inspection test button The following modes can be selected by using the Inspection Test Operation button on the remote control Depress Inspection Test Operation button for more than 4 seconds Indoor unit settings can be made Service data can be obtained Filter sign time ae Malfunciton code history Airflow direction Local Service M Temperature data of various sections Others Setting 9 mode can mode Service settings can be made Wi Forced fan ON B Airflow direction volume setting Depress Inspection Test Operation Press Inspection Test Operation button once button for more than 4 seconds z Mes Normal mode Press Inspection Test Operation button once Or after 30 minutes Press Inspection Test Operation button once After 10 seconds Test Following codes can be checked B Malfunction codes Inspection el operation Thermostat is forcibly turned on Indoor model code o es Outdoor model code __ ae Press Inspection Test Operation button once 3 24 Part 3 Troubleshooting ESIE04
211. ptimized indoor temperature will be calculated using the following inputs Outdoor air temperature m Indoor air temperature m Remote control set temperature In practice the set point will be moved with 1 or 2 degrees whenever the conditions change This will result in a combination of power saving and increased comfort level PMV control can be disabled by changing the field settings From 11 21 4 01 to 11 21 4 02 Part 2 Functional Description 2 21 General Functionality ESIE04 01 1 17 Preheating Operation Control Applicable units 82071 Outline After the compressor has been turned off the preheating operation will be activated in order to avoid refrigerant from dissolving in the compressor oil Trigger conditions x m Power supply ON to First operation m 60 minutes or more elapsed after compressor stop Starting conditions amp T2 Discharge pipe temperature lt 40 m Ta Outside temperature 40 C m T2 Discharge pipe temperature gt 43 Outside temperature gt 43 Ending conditions or m Thermostat ON confirmation 2 22 Part 2 Functional Description ESIE04 01 General Functionality 1 18 Crankcase Heater Control Applicable units RZQ100 amp 125 Outline After the compressor has been turned off the crankcase heater control will be activated in order to avoid refrigerant from dissolving in the compressor oil Trigger conditions
212. r model KFD 325 70 8A Fan speed nominal at 230 V No of steps 8 Fan speed nominal at 230 V cooling 813 rpm 802 rpm 772 rpm Fan speed nominal at 230 V heating 721 rpm 787 rpm 779 rpm Drive direct drive Type R410A Charge 3 20 kg 4 30 kg Refrigerant circuit Control Expansion valve electronic type No of circuits 1 Safety and functional devices High pressure switch Fan motor thermal protector Fuse Heat insulation Both liquid and gas pipe Weight Machine weight 61 kg 106 kg Gross weight 65 kg 111 kg 1 44 Part 1 System Outline ESIE04 01 Specifications Electrical The table below contains the electrical specifications specifications Specification RZQ71B7V3B RZQ100B7V3B RZQ125B7V3B Unit Name V3 Phase 1 Voltage 230V Frequency 50 Hz Wire connections for power supply See installation manual 4PW16864 1 Wire connections for connection with indoor See installation manual 4PW16864 1 Power supply intake Outdoor unit only Compressor Starting method Inverter driven Fan motor No of motors x output 1x70W 2x70 W Electrical data Unit combination Power supply Compressor OFM Indoor unit Outdoor unit Hz Volts Voltage range MCA TOCA MFA MSC RLA kW FLA kW F
213. rant System charge correct amount of Faulty pressure switch refrigerant Check the pressure switch 51992 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 11 Troubleshooting ESIE04 01 1 3 4 After unit shuts down it cannot be restarted for a while Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause m Overcurrent relay for compressor m Compressor protection thermostat m Overcurrent relay may act due to the following reasons Lower voltage of power supply Excess level of high pressure Insufficient size of power cable Malfunction of compressor m Compressor protection thermostat may act due to the following reasons Internal leakage of four way valve There is no difference between suction and discharge temperature Insufficient compression of compressor Incorrect refrigerant Faulty expansion valve Insufficient circulation of refrigerant 3 12 Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Turn the operation switch ON and OFF then wait at ON side Does the unit start YES operation after 3 inutes Normal Unit is in 3 min standby mode Electric system upply voltage is within 10 96 of specified Contact power company Is the discharge s
214. rap in water drainage during non operation YES system gt Replace indoor unit PCB 3 44 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 45 Error Codes Indoor Units ESIE04 01 2 5 Indoor Unit Fan Motor Lock A6 Error code LED indications Error generation A6 The table below shows the LED indications Operation HAP green HBP green Normal C C Malfunctioning C C 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 m Malfunctioning indoor unit fan motor m Broken or disconnected wire m Malfunctioning contact m Malfunctioning indoor unit PCB 3 46 Part 3 Troubleshooting ESIE04 01 Error Codes Indoor Units Troubleshooting Caution Check the connections of X20A and X26A Are X20A and X26A properly connected Yes t Unplug X26A and switch the power supply on Check the voltage between pins 1 and 3 of X26A Is there about 12 VDC Yes Check indoor unit fan motor and motor wiring Connect 20 No and X26A correctly Repla
215. rates in cooling mode with the blade in downward position set on the remote control 2 3 After 1 h operation in horizontal position the blade moves back to its downward position for 30 min 4 The unit operation is reset by m Changing the operating mode into heating or fan m Changing the air flow direction m Turning the unit operation OFF and ON Part 2 Functional Description 2 29 Indoor Unit Functional Concept ESIE04 01 2 5 Draft Avoidance Control 1 Purpose Avoid draft for the customer by delaying transfer of the flap to the PoO horizontal position for a certain amount of time when defrosting and in heating thermostat OFF Heating thermostat The time chart below illustrates the draft avoidance control 1 in heating thermostat OFF OFF When the flap starts to move there can be a draft The fan speed decreases to LL Settin speed but it takes some time because of Fan Ei gt its inertia EL eeen Setting AEN Poo NEN 5052 ONS to drive the flap Thermostat OFF 1 Flap moves from setting position to Pod Defrosting The time chart below illustrates the draft avoidance control 1 in defrosting When the flap starts to move there can be a draft The fan speed decreases to LL speed but it takes some time because of Fan Setting gt
216. rcuit interruptor earth leakage circuit breaker 1 46 Part 1 System Outline ESIE04 01 Specifications 3 3 FCQ Technical The table below contains the technical specifications specifications Specification FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3B Heat exchanger Rows x stages x fin pitch 2x8x1 5 2x12x1 5 Face area 0 331 m 0 497 m Tube type HIXA diam 7 HiXSS diam 7 Fin type Rhombus Fan Air flow rate cooling high 18 m9 min 18 m8 min 28 31 m min Air flow rate cooling low 14 m3 min 14 m3 min 21 m min 24 m min Air flow rate heating high 18 m3 min 18 m3 min 28 m min 31 m min Air flow rate heating low 10 m3 min 11 m3 min 14 m3 min 14 m3 min 21 m min 24 m min Qty x model 1 x QTS46B14M 1 x QTS46A17M Fan speed 2 steps direct drive Fan type Turbo fan Refrigerant Type R410A Safety and functional devices Fan motor thermal protector Fan motor thermal fuse Drain pump fuse Air filter Resin net with mold resistant Optional Temperature control Computerized control Microprocessor thermostat for cooling and heating Insulation Heat Foamed polystyrene Both liquid and gas pipes Sound absorbing Foamed polystyrene Weight Unit 23 kg 27 0 kg Gross 29 kg 33 0 kg Electrical The table below contains the electrical specifications specifications Specification FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FCQ71B7V3B FCQ100B7V3B FCQ125B7V3
217. res then measure insulation resistance between compressor terminals and Insulation YES Turn the power supply off once and then back on terminals and turn on again resistance lt 5 NO With the compressor lead wires disconnected turn on again Is L9 displayed YES gt Replace the compressor gt Replace the compressor gt Replace the outdoor unit PC board S2580 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 54 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 3 Failure of Outdoor Unit PC Board E Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution El Microcomputer checks whether is normal E PROM When 2 malfunctions when turning the power supply on m Faulty outdoor unit PC board Turn the power supply off once and then back on Is normal reset possible Problem could be caused by external factor noise etc other than malfunction Replace the control PC board 52581 Be sure to turn off power switch before connect disconnect connector or parts damage be occurred Part 3 Troubleshooting 3 55 Error Codes Outdoor Units ESIE04 01 3 4 A
218. resistance between each phase is balanced and not short circuited Red U White V Measure the resistance between each phase Black 52675 5 11 3 Outdoor Unit Fan Motor Signal Line For RZQ71 125 models 1 Turn the power supply off 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table 1 White 2 Orange Measurement point Judgment 1 4 1 or more 3 Brown SND 2 4 100 4 Blue 3 4 1000 5 4 7 100 6 7 Red 68678 3 108 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 11 4 Outdoor unit Fan Speed Pulse For RZQ71 125 models 1 Disconnect the connector X206A with the power supply OFF and Operation OFF 2 Is the voltage between pins 4 and 3 of X206A about 15 VDC after turning the power supply on 3 15 the voltage between pins 4 and 1 of X206A about 5 VDC 4 Connect the connector X206A with the power supply OFF and Operation OFF 5 When making one turn of the upper fan motor by hand after turning the power supply on is a pulse 0 and 5 V generated 4 times between pins 4 and 1 of X206A Measure at the contact terminal on the harness side with the connector connected For RZQ100 125 models 6 Disconnect the connector X207A with the pow
219. ressure starting 0 5MPa or more Yes Y Check and see whether compressor is short circuited or ground Yes Y Are inverter output voltages the same for 3 phases No Y Does low or high pressure vary even instantaneously when restarting compressor Open the stop valve Connect correctly Remedy the cause Replace the compressor Replace the inverter PC board Replace the compressor 52583 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 61 Error Codes Outdoor Units ESIE04 01 3 7 Malfunction of Outdoor Unit Fan Motor 7 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution E7 Abnormality of fan motor system is detected according to the fan speed detected by hall IC when the fan motor runs m When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met m When connector detecting fan speed is disconnected When malfunction is generated 4 times the system shuts down Malfunction of fan motor The harness connector between fan motor and PC board is left in disconnected or faulty connector Fan does not run due to foreign matters tangled Clearing condition Opera
220. rflow direction setting Set position vention Stop error Swing operation OFF Fully closed hori zontal Airflow direction setting Fully closed Overload ther Swing operation LL Horizontal Swing mostat OFF ERN i Airflow direction setting Set position 2 32 Part 2 Functional Description ESIE04 01 Indoor Unit Functional Concept 2 8 Indoor unit fan control Outline During compressor start and stop control the indoor fan will receive instruction from the outdoor unit in order to protect the compressor from receiving liquid and to assure a smooth compressor start up m Indoor fan control before compressor stop Indoor fan control during compressor stop m Indoor fan control before compressor startup Indoor fan control at compressor startup Before compressor After thermostat off or remote control signal off has been sent from the outdoor unit to the indoor unit stop the compressor will keep on running for a period of time in order to execute the residual pump down operation During this pump down operation the indoor fan will keep on operating Purpose Cooling Minimize the remaining refrigerant amount in indoor unit heat exchanger m Heating Lower the high pressure by avoiding high temperature build up around the indoor unit heat exchanger Indoor fan tap Indoor cooling Automatic Thermostat OFF L cooling Remote control OFF LL Indoor
221. ring connection opening lid 11 Right side pipe connection 12 Left back drain pipe connection 13 Left side drain pipe connection 14 Right side drain pipe connection 15 Hole of wall for taking out in piping back 16 Upward drain pipe connection 17 Upward gas pipe connection 18 Upward liquid pipe connection Part 1 System 1 29 ESIE04 01 General Outline Indoor Units The illustration below shows the outlook and the dimensions of the unit mm Y gt 5 a e v E o 9 T N dimensions JO JO 5 D o o D 2 yoeg ur No Burner 0 ejou 15 uomisog CAYA 01 jou 8111 9 Q O X SYOIMZ x zuuig o peuoege lt y episino WE 1noqe pyepuels ey s 991 2 poJeJjur jo BuiweJp ey 0 jeu s JIM uonisod SIU Jo eseo UI 2 16 uonons episui ue eiejd ewen 5 Jo uoneoo SALON 104 PZA uonoeuuoo edid ureiq e1oN Apis 10014 eureu purig e oelsqo eoeds
222. rol panel and separate remote control set one to MAIN and the other to SUB You can do this by setting the switch on the remote control s PCB Setting The remote controls are factory set to MAIN so you only have to change one remote control from MAIN to SUB To change a remote control 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 control as shown in the illustration below Gently pry off the upper part of the con trol working from the two possible positions Upper part of the remote control Lower part of the remote control 2 Turn the MAIN SUB changeover switch on the PCB to S z The switch is set to MAIN factory setting 2 5 Set the switch to SUB gx Part 4 Commissioning and Test Run 4 17 Field settings ESIE04 01 2 9 Setting the Centralized Group No When If you want to carry out centralized control with a central remote control and a unified ON OFF control you have to set the group No for each group with the remote control Wired remote The illustration below shows the wired remote control control First Code N Second Code N Mode N UNIT No Unit N croup cu SETTING Field set mode nin je amp om om LN C jennen
223. ror Detection Method Error Generating Condition Possible Cause All models of SkyAir series Excess charge of refrigerant Air intrudes into refrigerant system Faulty pressure switch Faulty magnetic switch for outdoor unit fan motor Faulty aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interfering item in air flow of outdoor unit Malfunction of outdoor unit fan Soiled air filter of indoor unit Soiled heat exchanger of indoor unit There is some interfering item in airflow of indoor unit Malfunction of indoor unit fan 3 10 Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Heating Indoor unit Cooling Outdoor unit Wireless operation lamp YES lamp of remote control of indoor unit photo sensing section flashing NO NO Diagnose based on the error code on infrared control gt Malfunction of fan motor Does the fan rotate YES YES Check the magnetic switch and aux switch for fan motor Is the filter soiled YES Is there any item gt Cleaning gt Remove the disturbing airflow Is the heat YES disturbing item gt Cleaning of the exchanger soiled Y NO Possible causes as follows Refrigerant overcharge heat exchanger gt After vacuum drying Mixing of air in refrige
224. s Compressor inspection Approximate value Detection value RZQ71 22 0A RZQ100 125 33 0A gt Inspect according to the diagnosis procedure for abnormal noises vibration operating status etc of the compressor S2594 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 77 Error Codes Outdoor Units ESIE04 01 3 18 Malfunction of Transmission system Between Control PCB and Inverter PCB LO Remote Control LC Display Method of Checks and sees whether transmission between control and inverter PC board is carried out normally Malfunction Detection Malfunction When the transmission is not carried out in a specified period of time or longer Decision Conditions Supposed Causes m Incorrect transmission wiring between control and inverter PC board insufficient contact in wiring m Faulty control and inverter PC board m External factors noise etc 3 78 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Is the fan motor NO connector connected YES Are connectors connecting the control NO gt Connect the connector and turn on again and inverter PC board connected securely Is the transmission wiring YES Connect the transmission wiring and turn on again
225. s detected by the thermistor of the radiation fin Thermistor for RZQ100 amp 125 is on power transistor IGBT When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation Activation of fin thermal switch Faulty fin thermistor High outside air temperature Insufficient cooling of inverter radiation fin Blocked suction opening Dirty radiation fin Faulty outdoor unit PCB Could problem be caused by high fin Yes temperature See detection value able below Do LEDs on outdoor unit PCB indicate No Correct the problem fin temperature abnormality Yes No gt Inspect outdoor unit PCB and remote control Is reset possible Yes Reset Fin temperature detection values gt Check remote control indication See the section on error 52031 Detection Reset RZQ71 90 80 RZQ100 125 98 C 88 C Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 71 Error Codes Outdoor Units ESIE04 01 315 DC Output Overcurrent Instantaneous L5 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes L5 Malfunction is detected by converting the current flowing to power transistor into voltage with CT1 DC
226. s the electrical specifications specifications Specification FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B Unit Phase 1 230 V Frequency 50Hz Fan motor Nominal running current 0 5 A 0 7 A 0 9 A Power consumption 65 W 85 W 125 W No of motors x output 1x65 W 1x85W 1x125W 1x125W 1x135W 1x225W Part 1 System Outline 1 49 Specifications ESIE04 01 3 6 FDQ Technical The table below contains the technical specifications specifications Specification FDQ125B7V3B Heat exchanger Rows x stages x fin pitch 14x 1 75 0 338 m Tube type Hi XSS diam 7 Fin type Rhombus Fan Air flow rate cooling high 43 0 m min Air flow rate cooling low 43 0 m min Air flow rate heating high 43 0 m min Air flow rate heating low 43 0 m min Qty x model 1 x DPA216 178NB Fan speed Phase cut control direct drive Fan type Sirocco Refrigerant Type R410A Safety and functional devices Fan motor thermal use Air filter Optional Temperature control Microprocessor thermostat for cooling and heating Insulation Heat Both liquid and gas pipes Sound absorbing Weight Unit 59 0 kg Gross 80 0 kg Electrical The table below contains the electrical specifications specifications Specification FDQ125B7V3B Unit Phase de Voltage 230V Frequency 50Hz Fan motor Nominal running current Power consumption No of motors x output 1x5
227. 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 05 5s 10s 15s 1b 0 Permission level setting Level 2 Level 3 Only in 1 Leave home function Not Permitted case of permitted BRC1D52 2 Thermostat sensor in remote Use Not use control for limit operation and leave home function only Part 4 Commissioning and Test Run 4 13 Field settings ESIE04 01 2 5 Overview of the Factory Settings on the Indoor Units Factory settings The table below contains the factory settings of all indoor units Mode No First code Second code No m FCQ FFQ FBQ FAQ FDQ FUQ FHQ 10 or 20 0 01 01 01 01 01 01 01 1 01 01 01 mE 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 22 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 4 02 02 mE 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 ESIE04 01 Field settings 2 6 Setting the Ceiling Height Incorrectly setting Mode No
228. splay 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 control Overview This chapter contains the following topics Topic See page 2 2 Malfunctioning Indoor PCB A1 3 40 2 3 Malfunction of Drain Water Level System A3 3 41 2 4 Malfunctioning Drain System AF 3 44 2 5 Indoor Unit Fan Motor Lock A6 3 46 2 6 Malfunctioning Capacity Setting AJ 3 48 2 7 Thermistor Abnormality C4 C5 C9 3 50 2 8 Malfunctioning Remote Control Air Thermistor CJ 3 52 Part 3 Troubleshooting 3 39 Error Codes Indoor Units ESIE04 01 2 2 Malfunctioning Indoor PCB Error code LED indications Error generation Causes Troubleshooting Caution Al The table below shows the LED indications Operation HAP green HBP green Normal C C C x Malfunctioning W X The error is generated when the data from the EEPROM is not received correctly EEPROM Electrically Erasable Programmable Read Only Memory A memory chip that holds its content without power It can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 v
229. start up with a limited fixed frequency value for a specified period of time in order to prevent liquid back to the compressor and to limit the starting current General The normal starting control time is 2 3 minutes The maximum starting frequency control time is 2 limited to 10 minutes During compressor start up a pressure difference will be build up in order to have sufficient pressure difference for the 4 way valve to change over Graph Hz 71 class 73 Hz gt Normal control 100 125 class 107 Hz Step 1 ON 2 3 min time Ending condition The starting control will be terminated when the low pressure value lt 6 bar or when the maximum starting time of 10 minutes has been reached in case the low pressure value stays gt 6 bar 2 40 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept Cooling Pressure equalizing start Pressure equalizing control before compressor start Compressor Motorized valve 4 way valve Previously OFF Previously ON Pressure equalizing complete Starting control Starting control complete i 82071 13 Hz RZQ100 125 107 Hz Outdoor unit fan oer rowo gt 40 L Mi M Part 2 Functional Description 2 41 Outdoor Unit Functional Concept ESIE04 01 Heating Pressure Pressure Starting equalizing equalizing control start complete complete
230. sturbing item in air flow Malfunction of fan motor of outdoor unit Refer error code E7 H7 Is the level of high pressure higher than normal evel NO YES m gt Check each item Possible causes as follows Insufficient compression of compressor Check each item Insufficient circulation of refrigerant Faulty expansion valve 51994 occurred Be sure to turn off power switch before connect or disconnect connector or parts damage may be Part 3 Troubleshooting 3 15 Troubleshooting ESIE04 01 1 3 6 Equipment operates but does not provide heating Applicable Model Error Detection Method Error Generating Condition Possible Cause All models of SkyAir series Excess charge of refrigerant Air intrudes into refrigerant system Faulty pressure switch Faulty magnetic switch for outdoor unit fan motor Faulty aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interfering item in air flow of outdoor unit Malfunction of outdoor unit fan Soiled air filter of indoor unit Soiled heat exchanger of indoor unit There is some interfering item in airflow of indoor unit Malfunction of indoor unit fan 3 16 Part 3 Troubleshooting ESIE04 01 Troubleshooting Troubleshooting Is the unit in YES Wait for a while defrost mode Y NO Measure the tem
231. tandby e c judgement 4 way valve operation judgement wehangeover Thermostat OFF by outdoor judgement mperatur i Defrost temperature Malfunction Oil recovery operation operation indication 4 Pump down residual operation Defrost Oil recovery _ ending Restart standby 4 operation ending judgement judgement 4 way valve changeover Hot start B control B 2 38 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 Frequency Regulating Functions Introduction One of the main functions of the u control will be the control of the compressor frequency The next chapter will explain how the compressor frequency is determined Content Topic See page 3 3 1 Starting Frequency Control 2 40 3 3 2 General Frequency Control 2 43 3 3 3 Low Pressure Protection Control 2 45 3 3 4 High Pressure Protection Control 2 46 3 3 5 Discharge Pipe Temperature Control 2 47 3 3 6 Suction Pipe Superheat Protection Control Heating Mode 2 48 3 3 7 Inverter Current Protection Control 2 49 3 3 8 Input Current Control 2 50 3 3 9 Inverter Cooling Fin Temperature Control 2 51 3 3 10 Pressure Difference Control 2 52 3 3 11 01 Recovery Operation 2 54 Part 2 Functional Description 2 39 Outdoor Unit Functional Concept ESIE04 01 3 3 1 Starting Frequency Control Outline The inverter compressor will
232. te Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution H9 J 3 5 J 6 Abnormality is detected according to the temperature detected by each individual thermistor When thermistor is disconnected or short circuited during operation m Faulty thermistor m Faulty connection of connector m Faulty outdoor unit PC board control PC board Check connectors for connection No Connect correctly Yes Remove thermistor from outdoor unit PC board then measure the resistance using a tester Yes gt Replace the thermistor gt Replace the outdoor unit PC board control PC board H9 Malfunction of outdoor temperature thermistor system J3 Malfunction of discharge pipe thermistor system J5 Malfunction of suction pipe thermistor system J6 Malfunction of heat exchange thermistor ellie emptor Thermistor temperature Resistance characteristics 52589 sure to turn off power switch before connect disconnect connector or parts damage be occurred Part 3 Troubleshooting 3 69 Error Codes Outdoor Units ESIE04 01 3 13 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Caution Malfunction of Suction Pipe Pressure Sensor J JC Malfunction is d
233. te for 5 minutes normal Are fan Yes motor connectors Connect the connector disconnected Is there any foreign matter around the fan Yes Remove the foreign matter Can the fan be easily No rotated by hand Replace the outdoor unit fan motor Check for pulse input for number of rotations on the outdoor unit PC board No Is the pulse input Replace the outdoor unit fan motor gt Replace the outdoor unit PC board 52584 sure to turn off power switch before connect disconnect connector or parts damage may be occurred 3 62 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units 3 8 Malfunction of Electronic Expansion Valve E9 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes E9 Method is determined according to the suction pipe superheat degree and electronic expansion valve opening degree calculated by values of low pressure sensor and suction pipe temperature thermistor When the following conditions are met for 10 minutes m Suction pipe superheat degree lt 2 C m Minimum electronic expansion valve opening degree m Faulty electronic expansion valve m Faulty solenoid valve m Faulty check valve Part 3 Troubleshooting 3 63 Error Codes Outdoor Units ESIE04 01 Troubleshooting Turn the power supply off once
234. tem J3 Malfunction of discharge pipe 3 69 temperature sensor system J5 Suction pipe thermistor 3 69 malfunction J6 TES Malfunction of heat exchanger 3 69 temperature sensor system Suction pipe pressure sensor 3 70 malfunction L4 High temperature of radiation fin 3 71 L5 o Overcurrent of DC output 3 72 instantaneous L8 Electronic thermal switch 3 74 Note 2 time lag L9 m HE Stall prevention time lag 3 76 LC Malfunction of transmission sys 3 78 tem between control PCB and inverter PCB 1 L1 Open phase or voltage unbal 3 80 P4 Malfunction of radiator fin tem 3 82 perature thermistor Error in capacity setting 3 84 UO Gas shortage 3 85 U2 Abnormal power supply voltage 3 86 Notes 1 Possibility of open phase in power supply 2 In RZQ model L8 is not displayed on remote control Please see 3 74 for more detail Part 3 Troubleshooting 3 35 Troubleshooting ESIE04 01 1 9 3 System Outdoor Unit Remote Location of Malfunction Contents of Malfunction Details of Malfunction Control Malfunction Display ta ate PG Reference Board Outdoor Indoor Remote Page Unit Unit Control O Transmission error between 3 90 or UF indoor and outdoor unit U5 Transmission error between 3 92 indo
235. the Field Settings with the Wired Remote Control Installation The field settings have to be changed with the remote control according to the installation conditions conditions Wired remote The illustration below shows the wired remote control control 3 6 237 8 9 2 1 3 a EET Ik CAE ARE 12 2 TIT max 5 c En 63 MS equa 22 14 45 80 EET E93 25 SE xis AVAILABLE 16 13 15 18 19 20 21 5 24 29 33 Components The table below contains the components of the wired remote control No Component No Component 1 ON OFF button 20 Air flow direction icon 2 Operation lamp 21 Not available 3 Operation mode icon 22 speed icon 4 Ventilation mode icon 23 Defrost hotstart mode icon 5 Ventilation icon Air filter cleaning time icon 6 Air cleaning icon 25 Element cleaning time icon 7 Leave home icon 26 Ventilation mode button 8 External control icon 27 Ventilation amount button 9 Change over under centralised control 28 _ Inspection test operation button 10 Day of the week indicator 29 Programming button 11 Clock display 30 Schedule timer button 12 set temperature 31 Time adjust button 13 Minimum set temperature 32 Temperature adjust buttons 14 Schedu
236. the adaptor because the capacity setting adaptor has priority 3 48 Part Troubleshooting ESIE04 01 Error Codes Indoor Units Troubleshooting Check if the capacity setting adapter is plugged into X23A a of the indoor PCB Is the capacity setting adapter plugged into X23A of the indoor unit PCB Plug a capacitor setting No adapter that matches the capacity of the unit into X23A Yes v Switch the power supply off and back on again Is RJ displayed on the remote control No The malfunction was caused by a missing capacity resistor Yes Replace indoor 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 49 Error Codes Indoor Units ESIE04 01 2 7 Thermistor Abnormality C5 C9 Error code LED indications Error generation Causes Checking thermistors The table below describes the two thermistor abnormalities Error Description Malfunctioning heat exchanger thermistor system C5 Malfuncioning gaspipe thermistor system C9 Malfunctioning suction air thermistor system The table below shows the LED indications Operation HAP green HBP green Normal C C Malfunctioning C C The error is generated w
237. the unit mm FBQ100B7V3B amp FBQ125B7V3B Outlook and dimensions 2 7 3 2 z Ei WI 9 D 4 01 Buipjoooe jaued sseooe 1 0 5 SI 4 ay JO 104 2 uiejs s ouioeds ey jo y 0 salen 2 uonisod exeiut seuosseooe euordo seuosseooe jeuondo 10 Buimeip xoo no 18494 L SALON V MIIA uonisod uoisuedsns uonisod uoisuedsns Shi Part 1 System Outline 1 22 ESIE04 01 General Outline Indoor Units Components The table below contains the different components of the unit No Component Liquid pipe connection Gas pipe connection Drain pipe connection Remote control wiring connection Power supply connection Drain hole Air filter Air suction side BWN Air discharge side E Part 1 System 1 23 General Outline Indoor Units ESIE04 01 2 8 FDQ125B7V3B Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit mm
238. ther there is wave form disturbance near the zero cross CN 4 Adjust the supply voltage Part 3 Troubleshooting 3 99 Additional Checks for Troubleshooting ESIE04 01 5 4 Outdoor unit 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 P Is the minimum space respected Change the installation location Does the discharged air from other outdoor units cause an increase of the suction temperature Is the heat No exchanger clean Is there enough air flow Change the installation location Yes Y Check the outdoor ambient temperature R1T This temperature must be lower than 43 C 3 100 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 5 Outdoor Unit 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 inserted in the X12A of A1P 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 click
239. tial between high and low pressure becomes low 4 40 Part 4 Commissioning and Test Run ESIE04 01 Test Run and Operation Data 3 2 Operation Range Conditions The illustrations in this section are based on the following conditions m Equivalent piping length 7 5 m m Level difference 0 m m Airflow rate High Operation range The illustration below shows the operation range Cooling Outdoor temp DB ju Operation range 15 20 25 30 Indoor temp WB Operation range The illustration below shows the operation range Heating Outdoor temp C WB 20 45 LE 10 5b 8 5 6 p o jen 10 22 20 lt 10 15 20 25 30 Indoor temp DB Part 4 Commissioning and Test Run 4 41 Test Run and Operation Data ESIE04 01 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 Notes 4 42 Part 4 Commissioning and Test Run
240. tion t Does the gt Disassemble and remove parts contact Normal Operation sound of draining device pipe contact with casing NO YES gt Creak during eatingand after operatio stop Is the noise flushing sound from YES gt Correct piping manually attach a dead weight to pipe Normal Creak generates by shrinkage of resin parts due to temperature change gt Normal pressure reducing valve or capillary tube Excess charge of refrigerant Air intrudes into refrigerant system Flushing noise due to refrigerant shortage Sound of shoo YES I After vacuum drying charge 51997 Be sure to turn off power switch before connect disconnect connector or parts damage be occurred Part 3 Troubleshooting 3 19 Troubleshooting ESIE04 01 1 3 9 Equipment discharges dust Applicable Model All models of SkyAir series Error Detection Method Error Generating Condition Possible Cause m Carpet m Animal s hair m Application cloth shop Troubleshooting Does the trouble generate at the time of operation start again after extended period of operation YE B Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit is necessary YES ls air filter equipped Dust collected inside the indoor unit are blown
241. tioned malfunctioning history display is off In this case after the malfunction code blinks 2 times the code display turns to 00 Normal and the unit No turns to 0 The INSPECTION mode automatically switches to the normal mode set temperature display Notes 1 Operation halts due to malfunction depending on the model or condition If LED B is off the transmission wiring between indoor and outdoor unit may be incorrect or disconnected Before performing the previously described troubleshooting check the transmission wiring 5 Troubleshoot by turning off the power supply for a minimum of 5 seconds turning it back on and then rechecking the LED display 3 32 Part 3 Troubleshooting ESIE04 01 Troubleshooting 1 8 2 Troubleshooting by LED on outdoor unit PCB Notes Remark The following diagnosis can be conducted by turning on the power switch and checking the LED indication on the printed circuit board of the outdoor unit W LED on X LEDoff C LED blinks Not used for diagnosis LED detection HAP H1P Description Green Red C X Normal w Faulty outdoor unit PCB Note 1 X Power supply abnormality or faulty outdoor unit PCB Note 2 Activation of protection device Note 3 1 off the power switch and turn it on again after 5 seconds or more Check the error condition and diagnose the problem 2 Turn off the power switch After 5 sec
242. tor C C gt Correct the wiring YES Monitor the voltage Is the measured voltage gt Instantaneous voltage drop 220 VDC or more Replace the inverter PC board S2605 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 87 Error Codes Outdoor Units ESIE04 01 3 88 Part 3 Troubleshooting ESIE04 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 control display The error code helps you to find the cause of the problem Overview This chapter contains the following topics Topic See page 4 2 Malfunction of Transmission between Indoor and Outdoor Unit U4 or UF 3 90 4 3 Malfunction of Transmission between Indoor Unit and Remote Control U5 3 92 4 4 Malfunction of Transmission between MAIN Remote Control and SUB 3 93 Remote Control U8 4 5 Malfunctioning Field Setting Switch UA 3 94 4 6 Centralized Address Setting Error UC 3 96 Part 3 Troubleshooting 3 89 Error Codes System Malfunctions ESIE04 01 4 2 Malfunction of Transmission between Indoor and Outdoor Unit U4 or UF Error code U4 or UF Error generation The error is generated
243. tual heat exchanger outlet superheat the expansion valve will open The superheat amount is checked every 10 seconds 2 Frequency change At the time of compressor frequency change the expansion valve opening will be changed with a fixed value This value will be in function of the amount of compressor frequency change The heat exchanger outlet superheat value is calculated from the saturated suction temperature Te using LP sensor and the suction pipe temperature R4T SH R4T Te The discharge superheat value is calculated from the saturated discharge temperature Td HP value calculated out of PI frequency and LP and the discharge pipe temperature R3T SH R3T Td Part 2 Functional Description 2 57 Outdoor Unit Functional Concept ESIE04 01 3 4 3 Discharge Pipe Temperature Control Outline The expansion valve opening will be controlled in order to avoid abnormal high compressor discharge temperatures see also compressor operating frequency control Details Normal operation Td gt M C Td lt Expansion valve opening 5 pls 2 min when cooling 1 min when heating RZQ71B RZQ100 125B MC 95 C 95 N C 80 C 2 58 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 5 Outdoor Unit Fan Speed Control Introduction This chapter will explain how the outdoor fan speed is determined in cooling and heating op
244. ubleshooting 3 3 Troubleshooting ESIE04 01 1 2 Doesn t run at all The fan comes on but the compressor doesn t run Cooling starts but stops right away The unit won t run again for a while after stopping The unit runs but doesn t cool the room General Troubleshooting Flowchart Find out the situation according to the following procedure when there is a request for service from the customer Wait until power failure is over Turn the power supply switch ON or replace the fuse YES YES Is there a power poy The power supply switch is NO Blinkina OFF or the switch s fuse is pe gt aimee LS Troubleshooting by remote control malfunction code Refer to Remote control display malfunction code and contents YES Units equipped with liquid crystal remote controls only 15 the remote controls operation lamp NO failure burnt remote controls only Try turning the Operation switch OFF The units runs but doesn t heat the Nomal Runs Set the remote controls temperature setting to 1 When cooling Minimum 2 When heating Maximum Doesn t run Is the operation lamp of the indoor unit s signal receiving section blinking Troubleshooting by remote control malfunction code YES Units equipped with liquid
245. ulty outdoor unit PC board Faulty Magnetic Relay K11R K12R Improper main circuit wiring 3 80 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting Check LED on the outdoor unit PC board Open phase Open phase of power supply voltage s the voltage imbalance between phases large Note Target 10V between phases R S S T Inspect the main circuit wiring Note Check for faulty contact disconnection K11R K12R deposited or fused between power supply and inverter Service life of capacitor Has the capacitor been used for a long time Faulty diode module open disconnected Other factors than open phase Field factors Field factors Replace the MS Correct the wiring Replace the electrolytic capacitor Replace the power unit Faulty outdoor unit PC board S2596 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting 3 81 Error Codes Outdoor Units ESIE04 01 3 20 Malfunction of Radiator Fin Temperature Thermistor P4 Remote Control Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 82071 P4 Detection by open or short circuit of the radiator fin temperature thermistor d
246. unctional Description ESIE04 01 General Functionality 1 7 Automatic Restart Purpose The purpose of the auto restart function is to automatically resume the same operating mode as when the unit was operating when the power supply is restored after a power failure Do not use the Automatic Restart function to daily start stop the unit Precautions when m When you have to turn OFF the power supply in order to carry out maintenance make sure to turn turning OFF power the remote control s ON OFF switch OFF firstly m f you turn OFF the power supply while the remote control s ON OFF switch is still ON the automatic restart function automatically starts the indoor fan immediately and the outdoor unit fan starts automatically 3 minutes after the power supply is turned back ON m Do not start stop the unit by disconnecting the power supply Stop the unit by stop commando from the remote control or optional control before disconnecting the power supply Be sure that the compressor and the outdoor fans are stopped before disconnecting the power supply so the Refrigerant Recovery function has been finished correctly m When restarting the unit after the power was disconnected for a longer period leave the unit OFF with the power supply connected for about half an hour See Crankcase Heater Control amp Preheating Operation Control Part 2 Functional Description 2 11 General Functionality ESIE04 01 1 8
247. unit fan runs at set airflow rate hen air thermistor ambient temperature is higher than set temperature hen air thermistor ambient temperature is lower than set temperature Is the power Switch OFF or the fuse for YES power switch blown Is the heating Switch turned on at outdoo YES temperature gt 30 C Is rated voltage YES applied at the compressor terminals 15 rated voltage output from the magnetic YES switch or power transistor Is rated voltage output YES from the PC board NO SER Indoor unit Outdoor unit PC Magnetic PC board board Remy J switch Turn on the power switch or replace fuse Normal Thermostat OFF by outdoor temperature Replace the compressor Replace the magnetic switch or power transistor Replace the PC board Check the thermistor COMP Output from relay or microcomputer Output from Output from magnetic magnetic switch or SW switch or circuit of U V W of power power transistor transistor S2576 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Part 3 Troubleshooting Troubleshooting ESIE04 01 1 3 3 Cooling heating operation starts but stops immediately Applicable Model Er
248. uring the compressor stops operating When open or short circuit of the radiator fin temperature thermistor is detected during the compressor stops operating m Faulty radiator fin temperature thermistor RZQ71 m Faulty outdoor unit PC board Faulty radiator fin temperature thermistor RZQ100 125 Needs inverter PCB replacement Check LED on the outdoor unit PC board Does the radiator fin temperature thermisto malfunction NO Probe other factors than the malfunction Disconnect the connector from X207 on inverter PC board then check the thermistor resistance at the ordinary temperature RZQ71 only Replace the thermistor 15 reset possible Replace the inverter PC board Continuous operation can be continued 8 Thermistor temperature Resistance characteristics 52597 3 82 Part 3 Troubleshooting ESIE04 01 Error Codes Outdoor Units Troubleshooting RZQ100 125 Caution Check LED on the outdoor unit PC board Does the radiator fin temperature NO thermistor malfunction NO gt Probe other factors than malfunction Is reset possible Reset 1 This error code is displayed only when gt Replace the inverter PC board button is pushed While the normal operation still continues inverter protection cannot be actuated 2 On
249. w pressure 3 106 5 11 Checks 3 107 Part 3 Troubleshooting 3 97 Additional Checks for Troubleshooting ESIE04 01 5 2 Indoor Unit Checking the Fan Motor Hall IC Applicable units Units using phase cut controlled fan motor with feedback signal Checking To check the indoor unit fan motor hall IC proceed as follows Step Action 1 Make sure connector S7 on PCB 1 is properly connected 2 Make sure the power is ON and that there is no operation 3 Measure the voltage between pin 1 and 3 of S7 4 Turn the fan one rotation with your hand and measure the generated pulses 5 Proceed as follows If Then The measured voltage between 1 and 3 does Replace the PCB 1 not equal 5 V The generated pulses do not equal 3 pulses Replace the fan motor between pin 2 and 3 The measured voltage does not equal 5 V and Replace the PCB 1 the generated pulses do not equal 3 pulses between pin 2 and 3 3 98 Part 3 Troubleshooting ESIE04 01 Additional Checks for Troubleshooting 5 3 Indoor Unit Checking the Power Supply Wave Form Checking To check the power supply wave form proceed as follows Step Action 1 Measure the power supply wave form between pin 1 and 2 of X1M for the outdoor units or between pin 1 and 2 of X2M for the indoor units 2 Check whether the power supply wave form is a sine wave 3 Check whe
250. 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 m Wiring indoor outdoor transmission wire is incorrect m Malfunctioning indoor unit PCB m Malfunctioning outdoor unit PCB Outside cause noise Troubleshooting 1 Diagnosis of incorrect or broken disconnected wiring If the LEDs on the indoor unit PC board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected No On or Off Is HAP flashing Check of Yes Turn the power supply off indoor unit once and then back on microcom puter normal HAP Failure of indoor unit PCB or malfunction of power supply system Is H1P flashing gt Resets normally Could be outside cause noise Failure if indoor unit PCB Is HAP flashing Check of indoor unit transmission Does malfunction outdoor unit HBP microcomputer normal H1P transmission wire connected correctly Wire correctly To outdoor unit next page Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 3 90 Part 3 Troubleshooting ESIE04 01 Error Codes System Malfunctions Troubleshooting 2 Continued from previous page
251. wired remote control screen may be blank or show U4 error indication It will not be able to start the unit from the remote control without switching OFF the power supply first Make sure the stop valves are opened before restarting the unit Pressing the pump down switch BS1 on the outdoor PCB may cause the outdoor and indoor fan to start operating automatically Be sure to open the stop valves after the pipe work has been finished Be sure not to operate the unit with closed stop valves or the compressor may brake down Part 2 Functional Description General Functionality ESIE04 01 1 14 Defrost Operation Outline When the unit is operating in heating mode a defrost operation will be conducted in order to avoid ice formation on the outdoor unit heat exchanger Defrost starting Defrost will start when the following conditions have been realized conditions m Integrated compressor running time is 25 minutes or more since the completion of the previous defrost operation m Defrost upper limit time A is met amp Low pressure saturated temperature Te is within the OR defrost requesting area Outdoor unit heat exchanger area temperature Tb is within the defrost requesting area Evaporating temperature Te C or Defrost prohibiting area Outdoor unit heat exchanger temperature Tb C id 15 10 5 15 110 115 4 When slightly quick defrost starting is s
252. y z WLLX v9x 01 10 penuew uondo au 0 13434 L S910N 10024 ASSV OdIW02 13 100 10 99UU09 i jeune Tj aM Yea 3 101990002 SUM LHM 038 0 980 u8819 NH9 EZ a iMod uorssi sue 20016 10510795 91155974 BIH UAMS 91 Pub SI ipour amod 1015107901 adid 00015 10151090 901809510 7019101901 1105 JO SILLLJOU ary 2018102901 10151599 10 0 N 10 8591 02 1010 N ANT 1 92Z 91Z_ HEN HEA 40 989H fe a1 aaue SLA Aejal EN 21094009 IOU DLN pas 3313S 1467 991488 1467 AOGe VE 91 9574 youms dig 2019009 umop duind jso yap 04 YMS LONG pueoq 91 deva LW dVH 150 22201 158 dev diV Part 1 System Outline 1 86 Wiring Diagrams ESIE04 01 RZQ100 125B7V3B 6 3 The illustration below shows the wiring diagram of the unit Wiring diagram 1 9 09 M16 101202 5581 661 001 YO aq 01195 eje Sayoyms
253. y X24A X2A on X24A is connected when the wireless remote control is used X25A Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A M1A Swing flap motor X40A Connector for remote ON OFF Forced OFF X60A X1A on DTA112 Connector for interface adaptor X61A X2A on DTA112 Connector for interface adaptor Part 1 System Outline 1 107 ESIE04 01 7 6 FFQ35 60BV1B 1 PCB The illustration below shows the PCB connectors X27A X11A X10A X33A X19A X60A X61A X20A X5A 2 Te X35A X24A X15A Connectors The table below describes the PCB connectors Connector Connected to Description X5A X1M Terminal strip for P1 P2 X10A T1R Transformer secondary side X11A TIR Transformer primary side X15A S1L Float switch X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A RIT Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is used X25A Drain pump motor X27A X2M Power supply amp communication X33A X1A on KRP1B Connector for wiring adaptor KRP1B X35A X1A on KRP4 Connector to group control adaptor power supply 16VDC for optional PCB KRP4 X36A
254. y euulau j d HOTU l 10000 90091 palm Part 1 System Outline 1 94 Wiring Diagrams ESIE04 01 FHQ35 60BUV1 6 11 The illustration below shows the wiring diagram of the unit Wiring diagram ELAN 09 0S SEOHd 01 U07 onja 19 dud MONA MTA SHUM LHM 11d PAY 0AY 5 00 se MOUS sioqui S 9 pue uojs 10 jeuoneippe aui pue YG Lx JO Jadwn y LIN aui aseo ul G mr aix BI Bunoeuuoo aya pue urejs s uoneurquioo a4 0 Duipo99e SILA aJOWA au p 7 pasn Bulag S 1 1017009 parejjur By UBYM pajoeuuoo si VpeX ejdsip 18A18291 1 910UJ8J Pall qns urew YAMS 10799198S 155 amose 10 2 93021 Pall 1 jeu IST AT 1112119 198981 eUDIS JE 390 q dey bums omis qur 21109 ouwe NIO dund 100W SIN ue 200 3I RejoroneuDeN SEN Aer ouse 90199 vod asna mid E s
255. z 2 44 Part 2 Functional Description ESIE04 01 Outdoor Unit Functional Concept 3 3 3 Low Pressure Protection Control Outline In order to prevent abnormal low pressures in the system the below control function will be activated Low pressure is measured by the low pressure sensor Flow chart When cooling operation When heating operation gl Within 5 minutes after defrosting Lp lt 0 1 MPa coninuously Normal operation Lp gt 0 59 Mpa minutes after gt 0 25 30 sec elapsed OR Within 10 minutes after Upper limit A Hz amp defrosting Compressor upper limit Lp lt 0 15 Mpa Ne gt 0 2 MPa frequency C Hz Copmressor upper Condition D limit frequency B Hz Lp 0 1 wa LP gt 0 15 MPa Compressor upper Condition D limit frequency C Hz E LP 0 1 MPa continues E 10 times or less for 5 minutes Y y 10times orless stopping bii in2 stopping in 200 minutes Compressor stop O Hz in 200 minutes Stopped 11 times in 200 minutes Malfunction stop E4 indication Within 5 minutes after starting OR After 10 minutes after defrosting Condition D amp Lp 0 15 Mpa Parameters RZQ71B RZQ100 125B AHz 109 Hz 123Hz BHz 62 Hz 62 Hz C HZ 48 Hz 62 Hz Part 2 Functional Description 2 45

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