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Daikin SkyAir RZQ-TA Series, Руководство по обслуживанию

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Daikin SkyAir RZQ-TA Series Скачать руководство пользователя страница 239

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Replace the outdoor main PCB 
(A1P).

YES

NO

It is supposed that the error results 
from external causes other than 
failures (e.g. exogenous noises or 
thunder).

Turn off the power. Then, 
turn on the power again.

Be sure to turn off the power switch before connecting or disconnecting 
connectors, or parts may be damaged.

Caution

Does the power 

supply normally come 

back on?

Содержание SkyAir RZQ-TA Series

Страница 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811E...

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Страница 49: ...IULJHUDQW LUFXLW 3LSLQJ LDJUDPV 3DUW 5HIULJHUDQW LUFXLW 2 16 1 15 S1NPH S1NPL S1PH 12 18 17 13 14 5 8 7 9 4 6 10 11 3 C 3D082498F The radiation fin thermistor 18 is located near the electrical compone...

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Страница 51: ...LUFXLW 3LSLQJ LDJUDPV 3DUW 5HIULJHUDQW LUFXLW 2 11 18 17 12 5 14 S1NPH S1NPL S1PH 3 9 10 4 16 15 7 Low pressure sensor 8 6 1 13 C 3D088595A The radiation fin thermistor 18 is located near the electric...

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Страница 53: ...h pressure sensor S1NPH Thermistor Suction pipe 2 R5T R2T Four way valve coil Y1S Y2S R7T Y3S S1PH High pressure switch Y1E E1HC Crankcase heater Electronic expansion valve Main Thermistor Liquid pipe...

Страница 54: ...XQFWLRQDO 3DUWV D RXW 6L86 3DUW 5HIULJHUDQW LUFXLW Side view Thermistor Suction pipe 1 R3T Thermistor Outdoor air R1T Four way valve Y1S Thermistor Heat exchanger deicer R4T C 1P342997M...

Страница 55: ...iew Four way valve coil Low pressure sensor S1NPL High pressure switch S1PH Crankcase heater E1HC Four way valve coil Y1S Thermistor Suction pipe 2 R5T Thermistor Discharge pipe R2T Inverter fan M1F I...

Страница 56: ...tronic expansion valve coil Main Y1E Electronic expansion valve coil Subcooling Y3E Thermistor Heat exchanger deicer R4T Thermistor Liquid pipe R7T Thermistor Outdoor air R1T Thermistor Suction pipe 1...

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Страница 59: ...e buttons on the remote controller damage may result 1 Operation mode selector button Press this button to select the operation mode of your preference Available modes vary with the indoor unit model...

Страница 60: ...t the next items on the right hand side Each screen is scrolled in the right hand direction 7 Left button Used to highlight the next items on the left hand side Each screen is scrolled in the left han...

Страница 61: ...changeover Fan speed control Menu display Confirmation of each setting On Off Cancel Operation lamp Press the Cancel button for 4 seconds or more Press the Cancel button once Press the Cancel button f...

Страница 62: ...he button again and the system will stop The lamp lights up during operation Blinks in case of stop due to malfunction This display shows the set temperature Only given during a cooling or heating ope...

Страница 63: ...QWUROOHU Receiver FAQ FHQ FBQ separate type 19 21 20 22 23 18 20 21 23 18 22 19 8 10 13 11 12 15 14 16 17 9 1 3 4 6 2 5 7 DOWN FAN UP ON OFF M H L hr hr TEST MODE TIMER RESERVE CANCEL DOWN UP TEST SWI...

Страница 64: ...MP Orange Lights up when the defrosting operation has started For cooling only type this lamp does not turn on 1 DISPLAY I SIGNAL TRANSMISSION This lights up when a signal is being transmitted DISPLAY...

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Страница 70: ...GGUHVV VHWWLQJ IRU FHQWUDOL HG FRQWURO W LV DOVR XVHG WR PDNH JURXS DGGUHVV VHWWLQJ E LQGRRU XQLW Select Group Address and then press the Menu OK button Press the Cancel button once Press the Cancel b...

Страница 71: ...RQ PDQXDO IRU PDLQWHQDQFH URXS GGUHVV URXS Select Group Address and then press the Menu OK button Select Group Address Group and then press the Menu OK button Select the desired Group Address using th...

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Страница 146: ...Since the waveform of inverter is output without wiring to the compressor it is convenient to probe whether the trouble comes from the compressor or PCB 29 Capacity precedence setting If the capacity...

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Страница 150: ...its lower 14 Error description the latest l h h k k k h Refer to the error code table on Part 6 15 Error description 1 cycle before l h h k k k k 16 Error description 2 cycle before l h k h h h h 20 C...

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Страница 153: ...J RI HPDQG OHYHO DQG WKHQ VHW WKH VHWWLQJ FRQGLWLRQ WR WDUJHWHG PRGH The power consumption set with Demand 1 level setting When the Constant demand setting is set to ON OFF has been set at factory the...

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Страница 157: ...ction Low noise H6P Demand H7P IND H3P Master H4P Slave H5P Factory setting 50 Auxiliary heater maximum allowable temperature k k k h h k h 17 7 C 0 F k h h h h h h 15 C 5 F k h h h h h k 12 2 C 10 F...

Страница 158: ...k h h h k h h Mode 5 k h h h k h k Mode 6 k h h h k k h Type Description Actions Field setting Shorted between Heating Thermo on Heating Thermo off Heater Fan Heater Fan I Heat pump heating is always...

Страница 159: ...V No Setting item display Setting condition display Setting item MODE H1P TEST H2P C H selection Low noise H6P Demand H7P IND H3P Master H4P Slave H5P Factory setting 57 Heat pump lockout temperature...

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Страница 176: ...o automatic Is the wire harness broken YES YES NO NO NO NO NO Replace the step motor Motor failure YES Replace the wire harness YES Is the connection of the step motor connector normal Is the automati...

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Страница 179: ...KH QRUPDO PRGH 0 1 2 3 4 5 6 7 8 9 A H C J E F UP button DOWN button If no button is pressed for 1 minute equipment returns to normal mode 3 Press MODE button The upper digit blinks Normal mode 1 Pres...

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Страница 184: ...b A e r u t a r e p m e t e p i p e g r a h c s i d l a m r o n b A Abnormal heat exchanger temperature Refrigerant overcharge F6 Defective thermistor of outdoor air temperature Defective Ta sensor s...

Страница 185: ...h h l h k l h h l l k h h h h h l k k h h 1 J3 l l h h l l h l h k h h l l l k h h h h h l k k h h 1 J5 l h k h l h l l k h h h h h l k k h h l k k h l J6 l h k h l l h l k h h h h h l k k h h J7 l h...

Страница 186: ...r high voltage Imbalance of inverter power supply voltage P1 Defective temperature sensor of inverter radiation fin Defective thermistor of inverter fin P4 Refrigerant shortage Refrigerant shortage al...

Страница 187: ...l h k h h l h l k h h h h h l k k h h h h k k h l h h l k k h h l h l k k h h h l U3 l h k h h l l l k h h h h h l k k h h l l U4 l h k h l h h l k h h h h h l k k h h l l l k k h l l l U9 l h k l h...

Страница 188: ...DO SURWHFWLRQ GHYLFH PSURSHU ILHOG VHWWLQJ HIHFWLYH LQGRRU XQLW 3 7URXEOHVKRRWLQJ Activation of external protection device External protection device is connected to terminals T1 and T2 of the indoor...

Страница 189: ...VH EORZQ 9 SRZHU LV QRW VXSSOLHG WR 7 DQG 75 WHUPLQDOV RQ WKH LQGRRU XQLW 3 7URXEOHVKRRWLQJ Fuse F1U is blown 24 VAC power is supplied to TH2 and TR2 terminals External protection device is connected...

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Страница 192: ...hanism connected YES YES YES Error is displayed again YES YES YES NO Set to emergency and check the voltage of the connector 2 to which the drain pump is connected Short circuit connector connection R...

Страница 193: ...WKH IDQ UHYROXWLRQV GR QRW LQFUHDVH 6XSSRVHG DXVHV URNHQ ZLUHV LQ VKRUW FLUFXLW RI RU GLVFRQQHFWLRQ RI FRQQHFWRUV IURP WKH IDQ PRWRU KDUQHVV HIHFWLYH IDQ PRWRU URNHQ ZLUHV RU GHIHFWLYH LQVXODWLRQ EQRU...

Страница 194: ...tter YES YES NO Are there any foreign matter around the fan YES NO Is the resistance between the pins less than the judgment criteria Replace the indoor unit main PCB A1P CHECK 16 Disconnect the conne...

Страница 195: ...DXVHV HIHFWLYH LQGRRU IDQ PRWRU URNHQ ZLUHV HIHFWLYH FRQWDFW 7URXEOHVKRRWLQJ 5HIHU WR SDJH YES NO NO YES Check the indoor fan motor and the wiring circuits of the fan motor Replace the indoor unit mai...

Страница 196: ...VLJQDO RI WKH IDQ PRWRU UURU IURP WKH FXUUHQW IORZ RQ WKH IDQ 3 ZKHQ WKH IDQ PRWRU VWDUWLQJ RSHUDWLRQ UURU HFLVLRQ RQGLWLRQV Q RYHUFXUUHQW IORZV 7KH URWDWLRQ VSHHG LV OHVV WKDQ D FHUWDLQ OHYHO IRU VHF...

Страница 197: ...n matter around the fan Connect the connector properly Replace the indoor fan motor Replace the indoor fan motor Connect the connector properly Caution Be sure to turn off the power switch before conn...

Страница 198: ...tance The resistance among U V and W are unbalanced or short circuited YES NO YES NO Replace the fan PCB A2P The HAP lamp of the indoor unit PCB A1P blinks and the HAP lamp of the fan PCB A2P is off B...

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Страница 203: ...n the power supply OFF once and back ON and check whether the swing flap motor swings when the power supply is turned back ON Turn the power supply OFF once and restart and measure the output voltage...

Страница 204: ...HU IDLOXUH RWKHUV 7URXEOHVKRRWLQJ YES There are problems on the condition of power supply described above Caution Be sure to turn off the power switch before connecting or disconnecting connectors or...

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Страница 207: ...eration after shutting the power supply OFF does not work replace the indoor unit main PCB A1P NO Replace the electronic expansion valve main body Power is supplied YES YES Electronic expansion valve...

Страница 208: ...U XQLW 3 HIHFWLYH FRQQHFWRU FRQQHFWLRQ HIHFWLYH GUDLQ SXPS 7URXEOHVKRRWLQJ NO YES NO NO YES Check the drain pump piping Check the drain water discharge system Check if drain up height and horizontal p...

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Страница 210: ...WHUQDO IDFWRU VXFK DV LQVWDQWDQHRXV SRZHU IDLOXUH 7URXEOHVKRRWLQJ NO Is the connector between indoor unit PCB A1P and fan PCB A2P accurately connected 1 Caution Be sure to turn off the power switch be...

Страница 211: ...SRZHU DQG UHPRYH WKH FRQQHFWRU RI LQGRRU XQLW PDLQ 3 3 6KRUW FLUFXLW IWHU WXUQLQJ 21 WKH SRZHU FKHFN EHORZ QXPEHUV XQGHU ILHOG VHWWLQJ IURP UHPRWH FRQWUROOHU RQILUPDWLRQ 6HFRQG FRGH 1R DW WKH FRQGLWL...

Страница 212: ...DQG GHWHUPLQHG DV VXFK E WKH LQGRRU XQLW WKH LQGRRU XQLW ZLOO H HFXWH D UHWU I HYHU WKLQJ IDLOV IRU VHFRQGV LW LV GHHPHG WR EH D WUDQVPLVVLRQ DEQRUPDOLW UURU 5HVHW RQGLWLRQV I WKH LQGRRU XQLW UHFHLYH...

Страница 213: ...R SDJH IRU IRU 74 7 PRGHOV 5HIHU WR SDJH Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Remove the thermistor from the indoor unit P...

Страница 214: ...J HUURU 7URXEOHVKRRWLQJ Replace it with correct fan PCB A2P Install the correct capacity setting adaptor Was the correct capacity setting adaptor installed when replacing it with a spare PCB After est...

Страница 215: ...KH PDQXIDFWXUHU DQG RXWSXW RI WKH IDQ PRWRU ZKHQ LQLWLDOL LQJ WKH IDQ PRWRU I WKRVH ILJXUHV DUH QRW WKH YDOXHV UHFRJQL HG E WKH LQGRRU XQLW LW ZLOO EH GHHPHG DEQRUPDO RSHUDWLRQ I GHHPHG DEQRUPDO RSHUD...

Страница 216: ...DPRQJ WKH SHULRGLF FRQWURO VWDWXV LQIRUPDWLRQ UURU LV LVVXHG ZKHQ WKH LQIRUPDWLRQ VKRZV DEQRUPDOLW UURU HFLVLRQ RQGLWLRQV I WKH SDUDPHWHU LQIRUPDWLRQ VKRZV DEQRUPDOLW LW ZLOO EH GHHPHG DEQRUPDO RSHUDW...

Страница 217: ...3 7URXEOHVKRRWLQJ RQQHFWRU DQG LQGRRU XQLW 3 5HIHU WR SDJH Is the optional remote sensor is installed Field setting 10 20 2 is set to 03 Connector is connected to the indoor unit PCB 1 Resistance is...

Страница 218: ...HFWRU HIHFWLYH LQIUDUHG IORRU VHQVRU 7HPSHUDWXUH FRPSHQVDWLRQ FLUFXLW GLVFRQQHFWLRQ HIHFWLYH LQIUDUHG IORRU VHQVRU 7HPSHUDWXUH FRPSHQVDWLRQ VKRUW FLUFXLW HIHFWLYH LQIUDUHG IORRU VHQVRU HOHPHQW 7URXEOH...

Страница 219: ...er to sensor and address data No 22 25 Connect the connector correctly Connect the connector correctly NO YES YES Is the connection of the connector on infrared presence sensor PCB A4P and the connect...

Страница 220: ...refer to sensor and address data No 26 Connect the connector correctly Connect the connector correctly NO YES YES Is the connection of the connector on infrared floor sensor PCB A3P and the connector...

Страница 221: ...nfrared floor sensor output refer to sensor and address data No 26 Is the connection of the connector on infrared floor sensor PCB A3P and the connector X2A on A2P normal Is the connection of the sens...

Страница 222: ...nfrared floor sensor output refer to sensor and address data No 26 Is the connection of the connector on infrared floor sensor PCB A3P and the connector X2A on A2P normal Is the connection of the sens...

Страница 223: ...U FRGH LV GLVSOD HG EXW WKH V VWHP RSHUDWHV FRQWLQXRXVO 6XSSRVHG DXVHV HIHFWLYH UHPRWH FRQWUROOHU WKHUPLVWRU HIHFWLYH UHPRWH FRQWUROOHU 3 WHUQDO IDFWRU 1RLVH HWF 7URXEOHVKRRWLQJ Clear the error code h...

Страница 224: ...Q WKH LQGRRU XQLW DQG WKH RXWGRRU XQLW DUH QRW QRUPDO 6XSSRVHG DXVHV HIHFWLYH RXWGRRU PDLQ 3 3 LVFRQQHFWLRQ RI WKH LQVLGH RXWVLGH UHOD ZLUHV 7URXEOHVKRRWLQJ Caution Be sure to turn off the power switc...

Страница 225: ...WR WHVW KLJK SUHVVXUH VZLWFK FRQGXFWLRQ UURU HFLVLRQ RQGLWLRQV 3DUW RI WKH SURWHFWLRQ GHYLFH KDV DQ RSHQ FLUFXLW UURU LV JHQHUDWHG ZKHQ WKH KLJK SUHVVXUH VZLWFK DFWLYDWLRQ FRXQW UHDFKHV WKH QXPEHU VS...

Страница 226: ...ch Replace the high pressure sensor The high pressure sensor is normal and the pressure detected with the PCB is also normal The high pressure has really become high CHECK 1 Remove the causes by which...

Страница 227: ...WKH ORZ SUHVVXUH VHQVRU 8VH WKH RXWGRRU PDLQ 3 WR GHWHUPLQH WKH ORZ SUHVVXUH VHQVRU SUHVVXUH WHVW YDOXH UURU HFLVLRQ RQGLWLRQV UURU LV JHQHUDWHG ZKHQ WKH ORZ SUHVVXUH GURSV EHORZ D VSHFLILF SUHVVXUH...

Страница 228: ...hich the low pressure has become low Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Replace the outdoor main PCB A1P NO Compare the...

Страница 229: ...RYH QFRUUHFW 89 ZLULQJ HIHFWLYH 3 6WRS YDOYH LV QRW RSHQHG 7URXEOHVKRRWLQJ Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Is the sto...

Страница 230: ...sure equalization Check the refrigerant system YES Power ON Power OFF Power OFF Power ON Power OFF Power ON NO NO Replace the outdoor main PCB A1P NO Continue the operation Instantaneous power failure...

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Страница 232: ...OWDJH RHV WKH IDQ PRWRU FRQQHFWRU GLVFRQQHFW UH WKHUH DQ REVWDFOHV DURXQG WKH IDQ V SLQ WR SLQ UHVLVWDQFH JUHDWHU WKDQ WKH WKUHVKROG YDOXH V IXVH 8 EORZQ V IXVH 8 EORZQ R WKH IDQ EODGHV VSLQ VPRRWKO E...

Страница 233: ...WLRQ RI FRQQHFWRUV IRU HOHFWURQLF H SDQVLRQ YDOYH 7URXEOHVKRRWLQJ 5HIHU WR SDJH YES Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R...

Страница 234: ...HFWLRQ RI GLVFKDUJH SLSH WKHUPLVWRU 5 7 HIHFWLYH RXWGRRU XQLW 3 7URXEOHVKRRWLQJ 5HIHU WR SDJH Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged...

Страница 235: ...DXVHV 5HIULJHUDQW RYHUFKDUJH LVFRQQHFWLRQ RI RXWGRRU DLU WKHUPLVWRU KHDW H FKDQJHU GHLFHU WKHUPLVWRU OLTXLG SLSH WKHUPLVWRU HIHFWLYH RXWGRRU DLU WKHUPLVWRU KHDW H FKDQJHU GHLFHU WKHUPLVWRU OLTXLG SLSH...

Страница 236: ...before connecting or disconnecting connectors or parts may be damaged Connector is connected to outdoor unit PCB Replace the outdoor main PCB A1P Connect the connector and turn on again NO NO Replace...

Страница 237: ...ecting or disconnecting connectors or parts may be damaged Replace the outdoor main PCB A1P Replace the high pressure sensor S1NPH YES NO Replace the outdoor main PCB A1P NO Replace the high pressure...

Страница 238: ...g or disconnecting connectors or parts may be damaged Are the characteristics of the low pressure sensor normal Make a comparison between the voltage characteristics and the gauge pressure Is the PCB...

Страница 239: ...VLRQ RQGLWLRQV 2YHUFXUUHQW 2 3 IORZV GXULQJ ZDYHIRUP RXWSXW UURU RI FXUUHQW VHQVRU GXULQJ V QFKURQRXV RSHUDWLRQ 30 IDLOXUH 6XSSRVHG DXVHV 30 IDLOXUH XUUHQW VHQVRU IDLOXUH ULYH FLUFXLW IDLOXUH 7URXEOHV...

Страница 240: ...Defective radiation from the power unit Blocked air suction port Stained radiation fin High outdoor air temperature Connect correctly Go to P4 troubleshooting Keep operating Replace the outdoor main...

Страница 241: ...XEOHVKRRWLQJ 5HIHU WR SDJH Replace the outdoor main PCB A1P YES YES NO NO YES NO NO Check if the power transistor is normal Failure occurs again after restarting the unit YES Caution Be sure to turn o...

Страница 242: ...NO YES YES NO Check if the compressor lead wires are normal Insulation resistance of the compressor is 100 k or below YES NO NO Caution Be sure to turn off the power switch before connecting or disco...

Страница 243: ...nectors or parts may be damaged NO NO NO YES YES YES Does L9 blink after reconnecting to the power When operation starts is the high and low pressure difference greater than 0 2 MPa 29 0 psi Unbalance...

Страница 244: ...QDO IDFWRUV 1RLVH HWF HIHFWLYH LQYHUWHU FRPSUHVVRU HIHFWLYH IDQ PRWRU 7URXEOHVKRRWLQJ Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged...

Страница 245: ...ZLWK D PLVVLQJ SKDVH 6XSSRVHG DXVHV HIHFWLYH PDLQ FLUFXLW FDSDFLWRU QFRUUHFW PDLQ FLUFXLW ZLULQJ HIHFWLYH RXWGRRU XQLW 3 8QEDODQFHG YROWDJH EHWZHHQ SKDVHV 0LVVLQJ SKDVH 7URXEOHVKRRWLQJ Caution Be sur...

Страница 246: ...GLDWLRQ ILQ WHPSHUDWXUH WKHUPLVWRU HIHFWLYH 3 HIHFWLYH LQYHUWHU FRPSUHVVRU HIHFWLYH IDQ PRWRU 7URXEOHVKRRWLQJ 5HIHU WR SDJH Caution Be sure to turn off the power switch before connecting or disconnect...

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Страница 248: ...xchanger greater than 20 C 68 F Is the resistance measured from suction pipe thermistor disconnected from the outdoor unit PCB normal Is the voltage between X18A pins 2 and 3 of outdoor main PCB A1P l...

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Страница 250: ...transistor failing Is the resistance greater than the standard Measure voltage between and of the electrolytic capacitor C C when the compressor is operating Calibrate the power voltage If L2 and Phas...

Страница 251: ...V UURU LV GHFLGHG ZKHQ WKH XQLW VWDUWV RSHUDWLRQ ZLWKRXW FKHFN RSHUDWLRQ 6XSSRVHG DXVHV KHFN RSHUDWLRQ QRW H HFXWHG 7URXEOHVKRRWLQJ Replace the outdoor main PCB A1P Press TEST BS4 button on master out...

Страница 252: ...IHFWLYH LQGRRU XQLW 3 HIHFWLYH RXWGRRU PDLQ 3 7URXEOHVKRRWLQJ Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Caution YES NO All indoor unit...

Страница 253: ...outdoor unit transmission wiring Press and hold the RESET BS5 button on the outdoor unit PCB for 5 seconds Replace the outdoor main PCB A1P YES NO NO Replace the outdoor main PCB A1P YES Operation rea...

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Страница 258: ...outdoor unit PCB replaced by the backup PCB Is the refrigerant type of the indoor unit and outdoor unit matched Is the total number of indoor units displaying UA and indoor units connectable to the sa...

Страница 259: ...YDOXH 2SHUDWLRQ IWHU UURU RGHV HFLGHG 7KH HUURU FRGH 8 LV GLVSOD HG RQ WKH UHPRWH FRQWUROOHU QGRRU XQLWV FDQ RSHUDWH FRQWLQXRXVO QFRUUHFW VHWWLQJ LV NHSW YHQ LI WKH 21 FRQGLWLRQ IRU HOHFWULF KHDWHU LV...

Страница 260: ...VRRQ DV WKH DEQRUPDOLW DIRUHPHQWLRQHG LV GHWHFWHG 6XSSRVHG DXVHV GGUHVV GXSOLFDWLRQ RI FHQWUDOL HG FRQWUROOHU HIHFWLYH LQGRRU XQLW 3 7URXEOHVKRRWLQJ Caution Be sure to turn off the power switch befor...

Страница 261: ...HIHFWLYH LQGRRU XQLW 3 7URXEOHVKRRWLQJ 5HIHU WR SDJH Has an indoor unit once connected been removed or its address changed Is transmission wiring disconnected or wired incorrectly Is transmission wit...

Страница 262: ...R H HFXWH FKHFN RSHUDWLRQ HIHFWLYH LQGRRU XQLW 3 6WRS YDOYH LV QRW RSHQHG 7URXEOHVKRRWLQJ Caution Is indoor outdoor unit transmission wiring normal Is indoor outdoor unit transmission wiring normal Be...

Страница 263: ...WKH SRZHU DIWHU LQVWDOODWLRQ RU ZLULQJ UHSODFHPHQW ZLWK 5 7851 6 EXWWRQ SUHVVHG IRU PRUH WKDQ VHFRQGV Caution Be sure to turn off the power switch before connecting or disconnecting connectors or par...

Страница 264: ...blegas Decreased airflow rate Decreased fan output Defective fan motor Defective main PCB Including capacity setting High airflow passage resistance Dirty filter Obstacle Excessiverefrigerantcharging...

Страница 265: ...y made Is the air filter clogged Is there any obstacle in the airflow passage Defective main PCB Including capacity setting High airflow passage resistance Dirty filter Obstacle Defective electronic e...

Страница 266: ...ation normal Is the connector properly connected Are the thermistor resistance characteristics normal Are the voltage characteristics normal Is the pressure value checked with the Service Checker corr...

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Страница 268: ...essure gradually rises with increase in frequency Subcooling degree becomes higher Liquid connection pipe temperature lowers Low pressure rises due to decreased compressor output High pressure Low pre...

Страница 269: ...ctivated for high pressure protection under cooling control at low outdoor air temperature i e the fan is hunting at high pressure High pressure drops with decrease in compressor capacity If frequency...

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Страница 272: ...ve startup of inverter compressor Compressor stops running immediately after it starts up Defective radiation inverter When transmissions between the microcomputers on the main PCB are not normal Low...

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Страница 283: ...6L86 3DUW SSHQGL LULQJ LDJUDPV 2XWGRRU 8QLW QGRRU 8QLW Part 7 Appendix...

Страница 284: ...LULQJ LDJUDPV 6L86 3DUW SSHQGL LULQJ LDJUDPV 2XWGRRU 8QLW 5 5 7 9 8 5 4 7 9 8 3D115455...

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Страница 290: ...NCTION TERMINAL PLUG CONNECTION EQUIPMENT GND FIELD GROUND X1A X3A X38A BS1 X12A X13A HAP X8A INDOOR UNIT PCB THERMISTOR HEAT EXCHANGER 1 2 MPU MULTI TENANT OPTION EEV COIL M K1R K3R TB6 TB8 K2R HEATE...

Страница 291: ...local legislation z Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electric...

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