Technibel GRFX183R5I Service Manual Download Page 11

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Indoor unit

Outdoor unit

COOLING

HEATING

4-Way valve

Discharge

Suction

Heat
exchanger
(evaporator)

Heat
exchanger
(condenser)

Valve

Liquid pipe
side

Gas pipe
side

Strainer

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Summary of Contents for GRFX183R5I

Page 1: ...SERVICE MANUAL Condizionatore d aria split Split air conditioner Climatiseur split Split klimager t Acondicionador de aire split DC INVERTER MAFX GRFX 2 3...

Page 2: ...2800 Rated Current A 11 8 12 4 EER W W 2 96 EER Btu h W 10 09 COP W W 3 15 COP Btu h W 10 81 SEER 5 6 5 10 HSPF SCOP 3 8 3 80 AEER ACOP APF W W Air Flow Volume SS m3 h 850 1000 Air Flow Volume SS CFM...

Page 3: ...Dimension of Carton Box W mm 380 395 Indoor Unit Dimension of Carton Box W inch 15 15 5 9 Indoor Unit Dimension of Carton Box H mm 285 313 Indoor Unit Dimension of Carton Box H inch 11 2 9 12 1 3 Indo...

Page 4: ...n H inch 15 3 5 16 4 5 Outdoor Unit Dimension D mm 700 790 Outdoor Unit Dimension D inch 27 5 9 31 1 9 Outdoor Unit Dimension of Carton Box L mm 1026 1080 Outdoor Unit Dimension of Carton Box L inch 4...

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Page 6: ...gth 5m Conditions Indoor DB21 1 C WB15 6 C Outdoor DB8 33 C WB6 11 C Indoor air flow Turbo Pipe length 5m 220V 230V 240V 220V 230V 240V 0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120 1...

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Page 8: ...UYH 7DEOHV IRU RWK 0RGHOV 20 30 40 50 60 20 0 40 60 80 100 Indoor side noise when blowing Outdoor side noise Compressor frequency Hz A B d e s i o N 18K 24K 18K 24K 60 50 40 30 20 10 0 Indoor Fan Moto...

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Page 10: ...0 7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWGRRU 8QLW 8QLW PP 965 892 700 396 341 368 560 427 1000 920 610 370 790 395...

Page 11: ...Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer 5HIULJHUDQW 6 VWHP LDJUDP RQ...

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Page 13: ...3 7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO INDC2 INDC1 FA AP1 COMP OVC COMP OFAN M1 0 0 0 COM INNER N AC L T SENSOR 3 2 INDOOR UNIT WARNING PE 4V Outdoor unit 18 K Outdoor unit 24 K...

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Page 26: ...15cm Above 15cm Above 50cm Above 50cm Above 30cm Above 200cm Above 30cm Above 15cm Above 300 cm 250 cm Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the...

Page 27: ...or 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 installat...

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Page 34: ...upply circuit Power plug is not well plugged in and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi tioner does not...

Page 35: ...ion for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the s...

Page 36: ...stat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan motor Adjust th...

Page 37: ...ipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In cool heat mode...

Page 38: ...arge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates Dur...

Page 39: ...nt temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operati...

Page 40: ...T if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control...

Page 41: ...s of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate During heating op...

Page 42: ...Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operation compressor...

Page 43: ...46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the...

Page 44: ...of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 54 Defrosting O...

Page 45: ...e voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the po...

Page 46: ...conditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop t...

Page 47: ...ction Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate...

Page 48: ...RSSLQJ HQRXJK DXOW GLDJQRVLV SURFHVV Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compre...

Page 49: ...ressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the c...

Page 50: ...er the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal...

Page 51: ...rcuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero Th...

Page 52: ...ly before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If t...

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Page 54: ...at the Test 15 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Te...

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Page 57: ...DQG WKHQ UHPRYH WKH PRWRU 5HPRYH WKH VFUHZ RI WKH PRWRU SUHVV SODWH DQG WKHQ UHPRYH WKH SUHVV SODWH 5HPRYH WKH VFUHZV DW WKH MRLQW RI WKH FURVV IORZ EODGH DQG WKH PRWRU 7DNH GRZQ WKH PRWRU 5HPRYH WKH...

Page 58: ...Remove the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel top panel 2 Remove grille front side plate and panel Remove Remove the 1 screw...

Page 59: ...the panel 3 Remove right side plate and left side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate a...

Page 60: ...the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove...

Page 61: ...the soundproof sponge carefully 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet Discharge the refrigerant completely unsolde...

Page 62: ...the 2 bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas valve and the return air pipe Remove the gas valve Note When unsoldering the soldering joint wrap the gas valv...

Page 63: ...63 QVWDOODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy condenser sub assy...

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Page 69: ...tential GWP 1975 FR Ne d chargez pas R410A dans l atmosph re R410A est un gaz fluor effet serre couvert par le protocole de Kyoto avec un potentiel de chauffage global GWP 1975 DE Zerstreuen Sie R410A...

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