Ideal Air IAC24MD-D3DNA3D Service Manual Download

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Installation and Maintenance

Service Manual

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Summary of Contents for IAC24MD-D3DNA3D

Page 1: ...ine set If MORE than 25 feet of line set is required refer to your Ideal Air Service Manual for refrigrant charing chart For line sets between 25 10 in length REMOVE 65 oz of R410A refrigerant per line feed According to manufacturer s specifications under no circumstances should the line set be shorter than 10 in length If you need further assistance please contact Ideal Air Tech Support 877 943 3...

Page 2: ...ram 13 5 Electrical Part 14 5 1 Wiring Diagram 14 5 2 PCB Printed Diagram 18 6 Function and Control 20 5HPRWH RQWUROOHU QWURGXFWLRQ 20 ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 28 Part ė Installation and Maintenance 35 7 Notes for Installation and Maintenance 35 8 Installation 37 8 1 Installation Dimension Diagram 37 QVWDOODWLRQ 3DUWV FKHFNLQJ 39 8 3 Selection of Installation Location 39 OHFWULF RQQHF...

Page 3: ...WLRQ 68 10 Exploded View and Parts List 70 10 1 Indoor Unit 70 2XWGRRU 8QLW 73 11 Removal Procedure 78 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 78 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW 83 Appendix 88 SSHQGL 5HIHUHQFH 6KHHW RI HOVLXV DQG DKUHQKHLW 88 SSHQGL RQ JXUDWLRQ RI RQQHFWLRQ 3LSH 88 Appendix 3 Pipe Expanding MHWKRG 89 SSHQGL LVW RI 5HVLVWDQFH IRU PELHQW 7HPSHUDWXUH 6HQVRU 90 Warranty 96 ...

Page 4: ...anual 1 Summary Part Ė Technical Information Indoor Unit IAC24MD D3DNA3D I IAH24MD D3DNA3D I Outdoor Unit IAC24MD D3DNA3D IAH24MD D3DNA3D Remote Controller IARC 24 ON OFF MODE FAN CLOCK TIMER ON X FAN TEMP TIMER OFF TURBO SLEEP LIGHT ...

Page 5: ...2 7HFKQLFDO QIRUPDWLRQ Service Manual Model List ...

Page 6: ...12 COP WX K SEER 63 Application Area m2 Indoor Unit LQFK r min r min 18 27 42 IAC24MD D3DNA3D I URVV ÀRZ ĭ 1500 1200 1050 900 W 60 A 0 24 ȝ W OXPLQXP LQ FRSSHU 7XEH Indoor Unit Model DQ 7 SH DQ LDPHWHU HQJWK Cooling Speed S H M L Heating Speed S H M L DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFLWRU YDSRUDWRU RUP YDSRUDWRU 3LSH LDPHWHU LQFK ĭ YDSRUDWRU 5RZ Q DS LQFK 2 1 17 YDSRUDWRU RLO HQJWK LQ...

Page 7: ... 90 DQ 0RWRU 5 A 1 1 DQ 0RWRU DSDFLWRU ȝ 4 2XWGRRU 8QLW LU ORZ 9ROXPH 0 2354 DQ 7 SH LDO ÀRZ DQ LDPHWHU LQFK ĭ HIURVWLQJ 0HWKRG Climate Type T1 Isolation I 0RLVWXUH 3URWHFWLRQ IP24 3HUPLVVLEOH FHVVLYH 2SHUDWLQJ 3UHVVXUH IRU WKH LVFKDUJH 6LGH PSIG 550 3HUPLVVLEOH FHVVLYH 2SHUDWLQJ 3UHVVXUH IRU WKH 6XFWLRQ 6LGH PSIG 450 6RXQG 3UHVVXUH HYHO 0 dB A 58 6RXQG 3RZHU HYHO 0 dB A 68 LPHQVLRQ LQFK LPHQVLRQ ...

Page 8: ... K 5 28 EER WX K 12 00 COP WX K 10 95 SEER 18 63 Application Area m2 Indoor Unit LQFK r min r min 10 27 42 IAH24MD D3DNA3D I URVV ÀRZ ĭ 1500 1200 1050 900 1450 1150 1020 950 W 60 A 0 24 ȝ W OXPLQXP LQ FRSSHU 7XEH Indoor Unit Model DQ 7 SH DQ LDPHWHU HQJWK Cooling Speed S H M L Heating Speed S H M L DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFLWRU YDSRUDWRU RUP YDSRUDWRU 3LSH LDPHWHU LQFK ĭ YDSRU...

Page 9: ...0RWRU 5 A 0 482 DQ 0RWRU DSDFLWRU ȝ 2XWGRRU 8QLW LU ORZ 9ROXPH 0 2354 DQ 7 SH LDO ÀRZ DQ LDPHWHU LQFK ĭ HIURVWLQJ 0HWKRG XWRPDWLF HIURVWLQJ Climate Type T1 Isolation I 0RLVWXUH 3URWHFWLRQ IP24 3HUPLVVLEOH FHVVLYH 2SHUDWLQJ 3UHVVXUH IRU WKH LVFKDUJH 6LGH PSIG 550 3HUPLVVLEOH FHVVLYH 2SHUDWLQJ 3UHVVXUH IRU WKH 6XFWLRQ 6LGH PSIG 240 6RXQG 3UHVVXUH HYHO 0 dB A 58 6RXQG 3RZHU HYHO 0 dB A 68 LPHQVLRQ LQ...

Page 10: ... 80 F WB 67 F Outdoor DB 95 F WB75 F Turbo s Indoor DB 70 F WB 60 F Outdoor DB 47 F WB 43 F Turbo 2 3 Capacity Variation Ratio According to Temperature 100 105 95 90 85 80 75 70 65 60 55 50 Outdoor temp F o i t a r y t i c a p a C Outdoor temp F o i t a r y t i c a p a C Conditions Indoor DB 80 F WB67 F Indoor air flow Turbo Pipe length 24 6ft 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 104 105 8 107 ...

Page 11: ...of indoor XQLW DQ VSHHG RI RXWGRRU XQLW Compressor UHYROXWLRQ USV Indoor 2XWGRRU P MPa 7 7 80 67 95 75 24K 0 9 to 1 1 50 to 53 6 181 4 to 113 7XUER LJK 72 5DWHG KHDWLQJ FRQGLWLRQ DB WB Model 3UHVVXUH RI JDV SLSH connecting indoor DQG RXWGRRU XQLW QOHW DQG RXWOHW SLSH WHPSHUDWXUH RI KHDW H FKDQJHU DQ VSHHG of indoor XQLW DQ VSHHG RI RXWGRRU XQLW Compressor UHYROXWLRQ rps Indoor 2XWGRRU P MPa 7 7 70...

Page 12: ...11 7HFKQLFDO QIRUPDWLRQ Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 39 7 8 6 12 4 Unit inch 3 54 2 56 Ɏ2 76 Ɏ2 76 5 47 26 97 7 26 ...

Page 13: ...12 7HFKQLFDO QIRUPDWLRQ Service Manual 3 2 Outdoor Unit Unit inch 14 6 16 8 38 6 36 24 15 7 31 1 ...

Page 14: ...pressor Strainer Strainer Strainer Capillary Capillary Accumlator Heat exchang condenser Cooling only model Cooling and heating model STOP This product is precharged with refrigrant for a 25 feet of line set If MORE than 25 feet of line set is required refer to your Ideal Air Service Manual for refrigrant charing chart For line sets between 25 10 in length REMOVE 65 oz of R410A refrigerant per lin...

Page 15: ...FDS LV XVHG WR GHWHUPLQH IDQ VSHHG DQG WKH VZLQJ DQJOH RI KRUL RQWDO ORYHU IRU WKLV PRGHO GWC24MD D3DNA3D I GWH24MD D3DNA3D I 63 5 9 5 1 63 2 5 3 63 63 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN 5220 7 03 6 1625 7 03 6 1625 57 57 5220 78 35 17 5 8 7 2 5 211 7 1 6 1 8 2 7 50 1 3 ...

Page 16: ... OUTROOM TEMP SENSOR EXHAUST TEMP SENSOR YEGN G FAN MOTOR C1 AP1 EKV FA Electronic WH RT4 0 OUTTUBE2 TEMP SENSOR MANUAL YEGN expansion OPTIONAL valve PE L2 L2 BU BN BK L1 L1 BLOCK TERMINAL 3 2 N 1 L1 L2 BN BU G G L1 MAGNETIC RING YEGN POWER L1 L2 XT G INDOOR UNIT N 1 2 3 TERMINAL BLOCK L INDC1 WH OG INDC2 REACTOR L3 L3 WARNING the voltage of terminal P DC and Please don t touch any terminal when p...

Page 17: ...OR EXHAUST TEMP SENSOR YEGN G FAN MOTOR 4 WAY C1 AP1 EKV FA Electronic WH RT4 0 OUTTUBE2 TEMP SENSOR MANUAL YEGN expansion OPTIONAL valve PE L2 L2 VT VT BU BN BK L1 L1 BLOCK TERMINAL 3 2 N 1 L1 L2 BN BU G G L1 MAGNETIC RING YEGN POWER L1 L2 XT G INDOOR UNIT N 1 2 3 TERMINAL BLOCK L INDC1 WH OG INDC2 REACTOR L3 L3 WARNING the voltage of terminal P DC and Please don t touch any terminal when prevent...

Page 18: ...iew Ɣ Bottom view 1 DC fan interface 2 XWR EXWWRQ 3 Up and down swing terminal interface 4 Display terminal interface 5 XPSHU FDS 6 Ambient temp sensor 7 7XEH WHPS VHQVRU 8 8 DQG 2 8 FRPPXQLFDWLRQ interface 9 LYH ZLUH LQWHUIDFH 10 XVH 11 1HXWUDO ZLUH LQWHUIDFH 12 DUWK ZLUH WHUPLQDO LQWHUIDFH 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 19: ...l 2 2 8 KHDW H FKDQJHU middle copper pipe temp sensor terminal 3 RPSUHVVRU RYHUORDG protection terminal 4 ODU temp sensor terminal 5 9 WHUPLQDO 6 2XWGRRU IDQ WHUPLQDO 7 RXU ZD YDOYH terminal 8 KDVVLV HOHFWULF KHDWLQJ wiring terminal 9 RPPXQLFDWLRQ FDEOH ZLWK 8 10 3RZHU VXSSO OLYH ZLUH 11 DUWK ZLUH 12 3RZHU VXSSO QHXWUDO wire 13 3 LQGXFWDQFH ZLUH ...

Page 20: ...Button LIGHT Button SLEEP Button CLOCK Button TURBO Button Button 2 6 8 3 9 10 7 5 12 11 4 1 Operation mode Temp display type 1 ON OFF Button 3UHVV WKLV EXWWRQ FDQ WXUQ RQ RU WXUQ RII WKH DLU FRQGLWLRQHU IWHU WXUQLQJ RQ WKH DLU FRQGLWLRQHU RSHUDWLRQ LQGLFDWRU RQ LQGRRU XQLW V GLVSOD LV 21 JUHHQ LQGLFDWRU 7KH FRORXU LV GLIIHUHQW IRU GLIIHUHQW PRGHOV DQG LQGRRU XQLW ZLOO JLYH RXW D VRXQG 2 MODE Butt...

Page 21: ...PRWH FRQWUROOHU a DQ VSHHG DXWR ORZ VSHHG PHGLXP VSHHG KLJK VSHHG 3 or Button Ɣ 3UHVV RU EXWWRQ RQFH LQFUHDVH RU GHFUHDVH VHW WHPSHUDWXUH ROGLQJ RU EXWWRQ V ODWHU VHW WHPSHUDWXUH RQ UHPRWH FRQWUROOHU ZLOO FKDQJH TXLFNO 2Q UHOHDVLQJ EXWWRQ DIWHU VHWWLQJ LV QLVKHG WHPSHUDWXUH LQGLFDWRU RQ LQGRRU XQLW ZLOO FKDQJH DFFRUGLQJO 7HPSHUDWXUH FDQ W EH DGMXVWHG XQGHU DXWR PRGH Ɣ KHQ VHWWLQJ 7 0 5 21 7 0 5 2 ...

Page 22: ... GXFW Ɣ XULQJ IDQ RSHUDWLRQ SUHVV 1 EXWWRQ WR WXUQ RII IDQ IXQFWLRQ QGRRU IDQ ZLOO VWRS RSHUDWLRQ LPPHGLDWHO 9 TEMP Button SUHVVLQJ WKLV EXWWRQ RX FDQ VHH LQGRRU VHW WHPSHUDWXUH LQGRRU DPELHQW WHPSHUDWXUH RU RXWGRRU DPELHQW WHPSHUDWXUH RQ LQGRRU XQLW V GLVSOD 7KH VHWWLQJ RQ UHPRWH FRQWUROOHULV VHOHFWHG FLUFXODUO DV EHORZ KHQ VHOHFWLQJ RU QR GLVSOD ZLWK UHPRWH FRQWUROOHU WHPSHUDWXUH LQGLFDWRU RQ LQ...

Page 23: ...UROOHU LV IX RU WKHUH V QR GLVSOD SOHDVH UHSODFH batteries Signal sender Battery Cover of battery box Remove Reinstall IWHU SXWWLQJ WKURXJK WKH SRZHU SUHVV 21 2 EXWWRQ RQ UHPRWH FRQWUROOHU WR WXUQ RQ WKH DLU FRQGLWLRQHU 3UHVV 02 EXWWRQ WR VHOHFW RXU UHTXLUHG PRGH 872 22 5 1 7 3UHVV RU EXWWRQ WR VHW RXU UHTXLUHG WHPSHUDWXUH 7HPSHUDWXUH FDQ W EH DGMXVWHG XQGHU DXWR PRGH 3UHVV µ 1 EXWWRQ WR VHW RXU U...

Page 24: ... FDVH WKH IDFWRU GHIDXOW VHW WHPSHUDWXUH LV O ƹ RU FRROLQJ DQG KHDWLQJ PRGHO ZKHQ 7DPE O WKH XQLW UXQV LQ KHDWLQJ PRGH LQ WKLV FDVH WKH IDFWRU GHIDXOW VHW WHPSHUDWXUH LV 68O ƹ RU FRROLQJ RQO PRGHO ZKHQ 7DPE O WKH XQLW UXQV LQ IDQ PRGH LQ WKLV FDVH WKH IDFWRU GHIDXOW VHW WHPSHUDWXUH LV O ƹ KHQ O Tamb 78O WKH XQLW ZLOO UXQ LQ IDQ PRGH ZKHQ LW HQWHUV DXWR PRGH MXVW DIWHU SRZHU RQ WKH XQLW ZLOO NHHS W...

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Page 31: ... cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires can t be pressed by hard objects 9 If power cord or connection wire is broken it must be poisonous gas Prohibit prolong the connection pipe by welding any other refrigerant...

Page 32: ...ing tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 33: ... p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S A t l e a s t 1 1 8 1 2 Unit iQFK STOP This product is precharged with refrigrant for a 25 feet of line set If MORE than 25 feet of line set is required refer to your Ideal Air Service Manual for refrigrant charing chart For line sets between 25 10 in length REMOVE 65 oz of R410A refrigerant per line feed According to manufactu...

Page 34: ...oor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it accor...

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Page 39: ...RSHQ FRPSOHWHO W PD FDXVH LQVXI FLHQW FRROLQJ KHDWLQJ FDSDFLW The water outlet can t be placed in water 1 Use Vacuum Pump 5HPRYH WKH YDOYH FDSV RQ WKH OLTXLG YDOYH DQG JDV YDOYH DQG WKH QXW RI UHIULJHUDQW FKDUJLQJ YHQW RQQHFW WKH FKDUJLQJ KRVH RI SLH RPHWHU WR WKH UHIULJHUDQW FKDUJLQJ YHQW RI JDV YDOYH DQG WKHQ FRQQHFW WKH RWKHU FKDUJLQJ KRVH WR WKH YDFXXP SXPS 2SHQ WKH SLH RPHWHU FRPSOHWHO DQG RS...

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Page 42: ...H 3 Replace RXWGRRU XQLW V main board AP1 4 RPPXQLFDWLRQ PDOIXQFWLRQ E6 ODVK 6 times HYHU V ƶ ƶ ƶ ƿ XULQJ FRROLQJ and drying RSHUDWLRQ compressor and RXWGRRU IDQ VWRS ZKLOH LQGRRU fan operates XULQJ KHDWLQJ RSHUDWLRQ DOO loads stop See 9 3 diagnosis of FRPPXQLFDWLRQ PDOIXQFWLRQ Refer to maintenance ÀRZFKDUW 5 2YHUORDG protection E8 ODVK 8 times HYHU V Ƶ ƶ Ƶ Ƶ XULQJ FRROLQJ and drying RSHUDWLRQ com...

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Page 44: ... times HYHU V Operation of remote controller or control panel LV DYDLODEOH EXW WKH XQLW ZRQ W DFW XPSHU FDS KDVQ W EHHQ inserted on main board Refer to maintenance ÀRZFKDUW XPSHU FDS KDVQ W EHHQ inserted correctly DQG WLJKWO XPSHU FDS LV damaged LUFXLW RI main board is abnormal 10 0DOIXQFWLRQ RI RXWGRRU ambient WHPSHUDWXUH sensor ODVK 3 times HYHU V ƶ ƶ ƿ Ƶ XULQJ cooling and drying RSHUDWLRQ compr...

Page 45: ... WHPSHUDWXUH sensor ODVK 5 times HYHU V ƶ ƶ ƿ ƿ XULQJ FRROLQJ and drying RSHUDWLRQ compressor and RXWGRRU IDQ VWRS ZKLOH LQGRRU fan operates XULQJ KHDWLQJ RSHUDWLRQ DOO loads stop 13 Limit decrease IUHTXHQF GXH WR RYHUORDG ODVK 6 times HYHU V Ƶ ƶ ƿ ƿ All loads operates QRUPDOO ZKLOH operation IUHTXHQF RI compressor decreases See 9 3 diagnosis RI RYHUKHDWLQJ SUHYHQWLRQ DQG RYHUORDG protection Refer...

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Page 47: ...drying RSHUDWLRQ compressor and RXWGRRU IDQ VWRS ZKLOH LQGRRU fan operates XULQJ KHDWLQJ RSHUDWLRQ DOO loads stop 1 Wiring terminal OVC COMP is loose Under normal FLUFXPVWDQFHV WKH UHVLVWDQFH EHWZHHQ ERWK HQGV RI WKLV WHUPLQDO VKRXOG EH OHVV WKDQ ȍ 1 After de HQHUJL DWLRQ insert OVC COMP terminal WLJKWO 2 See 9 3 diagnosis of RYHUORDG DQG GLVFKDUJH protection 2 Refer to maintenance ÀRZFKDUW 21 IPM...

Page 48: ... of 30 SURWHFWLRQ GHV QFKURQL LQJ PDOIXQFWLRQ RYHUFXUUHQW protection of SKDVH FXUUHQW RI compressor Refer to maintenance ÀRZFKDUW 24 DLOXUH VWDUWXS Lc ODVK 11 times HYHU V ƶ ƿ ƶ ƿ XULQJ FRROLQJ and drying RSHUDWLRQ compressor and RXWGRRU IDQ VWRS ZKLOH LQGRRU fan operates XULQJ KHDWLQJ RSHUDWLRQ DOO loads stop See 9 3 diagnosis of IDLOXUH VWDUWXS Refer to maintenance ÀRZFKDUW 25 LUFXLW PDOIXQFWLRQ...

Page 49: ...ee 9 3 diagnosis RI FKDUJLQJ PDOIXQFWLRQ IRU capacitor Refer to maintenance ÀRZFKDUW 28 LUFXLW PDOIXQFWLRQ RI PRGXOH WHPSHUDWXUH sensor P7 ODVK 18 times HYHU V ƶ ƶ Ƶ ƿ XULQJ FRROLQJ and drying RSHUDWLRQ compressor and RXWGRRU IDQ VWRS ZKLOH LQGRRU fan operates XULQJ KHDWLQJ RSHUDWLRQ DOO loads stop Hardware PDOIXQFWLRQ RI RXWGRRU XQLW V PDLQ ERDUG 1 Replace RXWGRRU XQLW V PDLQ ERDUG 3 29 0RGXOH WH...

Page 50: ...V PDLQ ERDUG 2 Replace RXWGRRU XQLW V PDLQ ERDUG 3 32 Limit decrease IUHTXHQF GXH WR PRGXOH WHPSHUDWXUH protection EU Ƶ Ƶ Ƶ ƿ All loads operates QRUPDOO ZKLOH operation IUHTXHQF RI compressor decreases Radiating grease RQ 30 PRGXOH RI RXWGRRU XQLW V main board is not HQRXJK VFUHZV KDYHQ W EHHQ HG WLJKWO IWHU WKH system is de energized for 20min and GLVFKDUJH FKHFN ZKHWKHU radiating grease RQ 30 0R...

Page 51: ...LW V main board 3 35 Limit decrease IUHTXHQF GXH WR IUHH H protection Ƶ Ƶ Ƶ ƶ All loads operates QRUPDOO ZKLOH operation IUHTXHQF RI compressor decreases 3RRU DLU UHWXUQ RI LQGRRU XQLW RU speed of fan is too low KHFN ZKHWKHU LQGRRU XQLW V KRUL RQWDO ORXYHU FDQ close normally ĺ UHSODFH LQGRRU XQLW V PDLQ ERDUG ĺ replace indoor XQLW V PRWRU 36 2XWGRRU fan motor PDOIXQFWLRQ L3 2XWGRRU fan motor PDOIX...

Page 52: ...ce the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction removed no yes yes no 9 3 Troubleshooting for Main Malfunction 1 Malfunction of Temperature Sensor F1 F2 Main detection points ƽ V WKH ZLULQJ WHUPLQDO EHWZHHQ WKH WHPSHUDWXUH VHQVRU DQG WKH FRQWUROOHU...

Page 53: ... 6PRRWKO V WKH FRQWURO WHUPLQDO RI 3 PRWRU FRQQHFWHG WLJKWO ƽ 6PRRWKO V WKH IHHGEDFN LQWHUIDFH RI 3 PRWRU FRQQHFWHG WLJKWO ƽ 7KH IDQ PRWRU FDQ W RSHUDWH ƽ 7KH PRWRU LV EURNHQ ƽ HWHFWLRQFLUFXLW RI WKH PDLQERDUG LV GH QHG DEQRUPDO 0DOIXQFWLRQ GLDJQRVLV SURFHVV interface terminal 2 and 3 is 15VDC interface terminal 1 and 2 within ...

Page 54: ... cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model 3 Malfunction of Protection of Jumper Cap C5 Main detection points ƽ 0DOIXQFWLRQ V WKHUH MXPSHU FDS RQ WKH PDLQERDUG ƽ V WKH MXPSHU FDS LQVHUWHG FRUUHFWO DQG WLJKWO ƽ 7KH MXPSHU LV EURNHQ ƽ HWHFWLRQ...

Page 55: ... and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Troubleshooting for E5 malfunction Adjust the supply vol...

Page 56: ... higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire If the wiring of r...

Page 57: ...ƽ I WKH ZRUN ORDG RI XQLW LV KHDY I UDGLDWLQJ RI XQLW LV JRRG 0DOIXQFWLRQ GLDJQRVLV SURFHVV N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 The compressor is well connected with mainboard AP1 Heat exchanger is blocked with dirt Clean the heat exchanger to improve its performance Restar...

Page 58: ...N E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the radiating of indoor and outdoor unit is good Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the indoor and outdoor fan are running normally ...

Page 59: ...fficient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of outdoor mainboard AP1 and compressor COMP and the connect it according to wiring diagram If the refrigerant charging amount is too much Does the unit start up normally Charge the refr...

Page 60: ...OYH GDPDJHG ƽ I WKH UHIULJHUDQW LV OHDNHG ƽ 7KH FRPSUHVVRU RYHUORDG SURWHFWLRQ WHUPLQDO LV QRW FRQQHFWHG ZHOO ZLWK WKH PDLQERDUG ƽ I WKH RYHUORDG SURWHFWRU LV GDPDJHG ƽ HDW H FKDQJH RI XQLW LV QRW JRRG KHDW H FKDQJHU LV GLUW DQG XQLW UDGLDWLQJ HQYLURQPHQW LV EDG ƽ 7RR PXFK ORDG RI WKH V VWHP FDXVHV KLJK WHPSHUDWXUH RI FRPSUHVVRU DIWHU ZRUNLQJ IRU D ORQJ WLPH ƽ 0DOIXQFWLRQ RI GLVFKDUJH WHPSHUDWXUH ...

Page 61: ...frigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long ti...

Page 62: ...ed well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the wire or replace the connection wire according to the wiring diagram Check the surface of reactor coil If it is damaged Replace the reactor Power on and restart the unit Power on and restart the uni...

Page 63: ...he unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor communication circuit Replace outdoor mainboard AP1 Replace indoor mainboard AP2 Is the malfunction eliminated Is the malfunction eliminated End Check the connection wire acc...

Page 64: ...RU details 0DOIXQFWLRQ RI FRPSUHVVRU Compressor can t operate 5HIHU WR SRLQW RI PDLQWHQDQFH PHWKRG IRU details 9 4 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Can t Swing 3RVVLEOH DXVHV LVFULPLQDWLQJ 0HWKRG LU FRQGLWLRQHU 6WDWXV 7URXEOHVKRRWLQJ 1R SRZHU VXSSO RU SRRU FRQQHFWLRQ IRU SRZHU SOXJ IWHU HQHUJ...

Page 65: ...GUDLQ SLSH Replace drain pipe UDSSLQJ LV QRW WLJKW DWHU OHDNLQJ IURP WKH SLSH FRQQHFWLRQ SODFH RI LQGRRU XQLW ZUDS LW DJDLQ DQG EXQGOH LW WLJKWO 5 Compressor Can t Operate 3RVVLEOH FDXVHV LVFULPLQDWLQJ PHWKRG DLU FRQGLWLRQHU VWDWXV 7URXEOHVKRRWLQJ URQJ ZLUH FRQQHFWLRQ RU SRRU connection KHFN WKH ZLULQJ VWDWXV DFFRUGLQJ WR FLUFXLW diagram Connect wires according to wiring diagram to PDNH VXUH DOO Z...

Page 66: ...13 12 14 9 8 4 2 28 30 31 25 24 23 17 26 7 29 27 3 1 10 16 18 19 20 22 21 33 34 32 11 35 6 5 FA N MODE I F EEL C LOC K TIMER ON X FA N T EMP TIMER OFF T URBO SLEEP LIGH T IAC24MD D3DNA3D I IAH24MD D3DNA3D I 10 Exploded View and Parts List 10 1 Indoor Unit ...

Page 67: ...RUDWRU 6XSSRUW 24212103 1 14 YDSRUDWRU VV 0100257204 1 15 DOO 0RXQWLQJ UDPH 01252032 1 16 Motor Press Plate 26112316 1 17 DQ 0RWRU 15012136 1 18 Connecting pipe clamp 26112188 1 19 UDLQDJH KRVH 0523001401 1 20 Stepping Motor 1521300101 1 21 UDQN 10582070 1 22 Display Board 30565038 1 23 0HVK QFORVXUH LU 2XWOHW 01472016 1 24 XLGH RXYHU 10512118 1 25 LOH XVK 10542036 2 26 Electric Box 2011210802 1 2...

Page 68: ...RUDWRU 6XSSRUW 24212103 1 14 YDSRUDWRU VV 0100257204 1 15 DOO 0RXQWLQJ UDPH 01252032 1 16 Motor Press Plate 26112316 1 17 DQ 0RWRU 15012136 1 18 Connecting pipe clamp 26112188 1 19 UDLQDJH KRVH 0523001401 1 20 Stepping Motor 1521300101 1 21 UDQN 10582070 1 22 Display Board 30565038 1 23 0HVK QFORVXUH LU 2XWOHW 01472016 1 24 XLGH RXYHU 10512118 1 25 LOH XVK 10542036 2 26 Electric Box 2011210802 1 2...

Page 69: ...73 Installation and Maintenance Service Manual IAC24MD D3DNA3D O 2 15 17 16 14 13 1 21 18 19 8 9 10 11 7 6 4 5 24 25 23 29 28 30 31 12 32 27 20 26 22 3 10 2 Outdoor Unit ...

Page 70: ...lapboard Assy 01233154 1 14 Condenser Assy 01103000203 1 15 Rear Grill 01475013 1 16 Wiring Clamp 26115004 1 17 7HPSHUDWXUH 6HQVRU 39000072 1 18 5LJKW 6LGH 3ODWH 0130504402P 1 19 Handle assy 02113109 1 20 Retaining Plate 02115006P 1 21 XW RII 9DOYH 07133157 1 22 9DOYH RYHU 22245003 1 23 9DOYH 6XSSRUW 6XE VV 0171501201P 1 24 DIÀH 9DOYH 6XSSRUW 01365435P 1 25 XW RII 9DOYH 07133157 1 26 OHFWULF SDQG ...

Page 71: ...75 Installation and Maintenance Service Manual IAH24MD D3DNA3D 2 15 17 16 14 13 1 21 18 19 8 9 10 11 7 6 3 4 5 24 25 27 28 23 31 30 29 32 33 34 12 35 22 26 20 ...

Page 72: ...Assy 01163427 1 15 Rear Grill 01475013 1 16 Wiring Clamp 26115004 1 17 7HPSHUDWXUH 6HQVRU 39000072 1 18 5LJKW 6LGH 3ODWH 0130504402P 1 19 Handle assy 02113109 1 20 Retaining Plate 02115006P 1 21 XW RII 9DOYH 07133157 1 22 9DOYH RYHU 22245003 1 23 9DOYH 6XSSRUW 6XE VV 01715020P 1 24 DIÀH 9DOYH 6XSSRUW 01365435P 1 25 XW RII 9DOYH 6XE VV 07135072 1 26 OHFWULF SDQG 9DOYH LWWLQJ 4300876705 1 27 D 9DOYH...

Page 73: ...remove them panel rotation groove panel 2 Remove panel Open the front panel separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel Note The display of some models is fixed on the panel unscrew the screws fixing the display on the panel before removing the panel 11 Removal Procedure 11 1 Removal Procedure of Indoor Unit Caution discharge the refrig...

Page 74: ...antity of screws fixing the front case sub assy is different for different models Loosen the clasps at left middle and right sides of front case Life the front case sub assy upwards to remove it screw screw caps left clasp middle clasp right clasp screws front case sub assy front case sub assy 3 Remove horizontal louver Push out the axile bush on horizontal louver Bend the horizontal louver with h...

Page 75: ...ection place between grounding wire and evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Note 1 Location of tube temperature sensor and tieline on the evaporator is different for different models 2 When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard Loosen the connection clasps between vertical louver ...

Page 76: ... assy evaporator c Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it connection pipe Remove two screws fixing display Note The display of some models is fixed on the panel unscrew the screws fixing the display on the panel before removing the panel display Remove the screw fixing electric box assy and then remove the electric box assy e...

Page 77: ...motor clamp and then remove the motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them c Remove the bearing holder sub assy Remove the screw fixing step motor and then remove the step motor holder sub assy bottom case cross flow motor clamp motor screws screw screws ...

Page 78: ... grill Twist off the screws used for fixing the handle pull the handle upward to remove it Loosen the screws fixing the valve cover and then remove it Procedure Steps 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover Remove the screws connecting the front grill and the front panel Remove the front ...

Page 79: ...rocedure Steps Remove screws connecting front side plate outer case and chassis and then remove the front side plate Remove screws fixing front panel chassis and motor support and then remove the front panel Remove screws connecting right side plate and chassis valve support and condenser and then remove the right side plate 1 2 right side plate ...

Page 80: ... Remove nut on blade with wrench and then remove the axial flow blade Remove screws fixing electric box cut off the tielien with scissors pull out the wiring terminal and then lift up the electric box to remove it Twist off the screws on fireproof electric box and then remove the fireproof electric box 1 Twist off the tapping screws fixingthe motor pull out the pin of leading wire for motor and th...

Page 81: ...ws fixing the motor support pull it upwards and then remove the motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet Unsolder the pipe line between compressor condenser gas and liquid valve and then remove the 4 way valve note release all refrigerant before unsoldering 4 way valve 2 ...

Page 82: ...remove the gas valve note when unsoldering the soldering joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe of liquid valve and then remove the liquid valve Twist off the 3 foot nuts on compressor and then remove the compressor Twist off the screws conn...

Page 83: ...0 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 8 36 52 53 51 8 11 75 76 75 2 24 99 98 6 37 54 53 6 12 77 78 77 25 DKUHQKHLW display WHPSHUDWXUH DKUHQKHLW HOVLXV ć DKUHQKHLW display WHPSHUDWXUH DKUHQKHLW HOVLXV ć DKUHQKHLW display WHPSHUDWXUH DKUHQKHLW HOVLXV ć 61 60 8 16 69 70 69 8 21 78 79 78 8 26 62 63 62 6 17 71 72...

Page 84: ...LQWR WKH SLSH 3XW RQ VXLWDEOH LQVXODWLQJ SLSH 3XW RQ WKH XQLRQ QXW Ɣ 5HPRYH WKH XQLRQ QXW RQ WKH LQGRRU FRQQHFWLRQ SLSH DQG RXWGRRU YDOYH LQVWDOO WKH XQLRQ QXW RQ WKH SLSH SDQG WKH SRUW Ɣ SDQG WKH SRUW ZLWK H SDQGHU Ɣ LV GLIIHUHQW DFFRUGLQJ WR WKH GLDPHWHU SOHDVH UHIHU WR WKH VKHHW EHORZ 2XWHU GLDPHWHU LQFK LQFK Max Min Ɏ 0 05 0 03 Ɏ 0 06 0 04 Ɏ 0 07 0 04 Ɏ 0 09 0 09 Appendix 3 Pipe Expanding Meth...

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Page 87: ...9 6 8 342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6 89 6 36 38 159 8 8 268 230 2 498 21 2 220 5 91 4 34 88 161 6 7 991 231 8 2 431 23 2...

Page 88: ......

Page 89: ...Call our Toll Free number for top rate technical support 877 9 IDEAL 1 877 943 3251 Outside the USA Call 1 360 546 6161 Exclusively distributed by www sunlightsupply com ...

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