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Start

Check communication

circuit of outdoor unit

Problem of

communication

circuit

Check built-

in wiring of
indoor and

outdoor unit

Connection

correct?

Malfunction of

circuit is

detected with
control board

AP1 voltage

Check connection
wire of indoor and

outdoor unit with

circuit diagram

Check connection
wire of indoor and

outdoor unit with

circuit diagram

If the unit is operation

normal before malfunction

If the wiring is

damaged?

If the malfunction

is removed?

If the malfunction

is removed?

Replace indoor

board

Replace outdoor

mainboard AP11

If the

malfunction is

removed?

End

Содержание GWC18TC-S3DNZ1B

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Change for Life 02 7 6 1 7 6 1 7 6 1 7 6 1 7 6 1 7 6 1 7 6 1 7 6 1 5HIULJHUDQW 5...

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Страница 5: ...6XPPDU DQG HDWXUHV 5HPRWH RQWUROOHU FAN MODE ON OFF 7 6 1 2 7 6 1 2...

Страница 6: ...repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lea...

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Страница 13: ...DB35 C WB24 C Indoor air flow High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow High Pipe length 5m 230V 230V RROLQJ HDWLQJ 0 20 40 60 80 100 120 10 5 0 5 10 Cap...

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Страница 18: ...SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron expansion valve Strainer Strainer INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXC...

Страница 19: ...OARD TERMINAL L OUT AC L 0 PE M2 M4 M3 RING MAGNETIC MOTOR U D2 MOTOR U D1 MOTOR L R PRINTED CIRCUIT BOARD SWING SWING LR SWING SWING UD2 AP1 DISP2 DISP1 BN BK YEGN GN BU WH L L ROOM TUBE K7 SWING UD1...

Страница 20: ...OR WARNING Please don t touch any terminal when the AP1 is higher than 30V to prevent the risk of electrical shock voltage of terminal P DC and N DC at DC MOTOR MOTOR FAN DISPLAY BOARD RECEIVERAND 0 R...

Страница 21: ...y terminal when the AP1 is higher than 30V to prevent the risk of electrical shock voltage of terminal P DC and N DC at FAN MOTOR C2 YV C1 7 6 1 2 7 6 1 2 L1 L2 L2 L2 L1 TEM SENSOR DISCHARGE TEM SENSO...

Страница 22: ...prevent the risk of electrical shock WARNING MOTOR HALL FAN YEGN OFAN PE M BK WH INDOOR UNIT 0 0 0 U V T SENSOR YEGN AC L N YEGN BU PE BN BK AP1 XT 3 2 N 1 BU YE RD W PE PE PE COM INNER RT1 RT2 RT3 Y...

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Страница 24: ...rface 2 Compressor overload protector 3 Temperature sensor 4 Electric expansion valve 5 Fan HALL interface 6 Outdoor fan 7 4 way valve 8 Communication interface with indoor unit 9 Live wire 10 Earthin...

Страница 25: ...t setting temperature displaying the room TEMP button TEMP indoor ambient temperature displaying indoor temperature outdoor ambient temperature displaying outdoor tempe rature if there no outdoor ambi...

Страница 26: ...TO FAN or HEAT mode button can turn on or turn off the Turbo TURBO button TURBO function After the Turbo function turned on the signal of Turbo will display The signal will be automatically cancelled...

Страница 27: ...nutes When repress this button this function will be turned off HEALTHY AND SCAVENGING BUTTON and Timer On setting Signal ON will blink and display signal will conceal the numerical section will becom...

Страница 28: ...ecreased 1 after that the unit will keep on running under this temperature 2 When setting the initial temperature 24 2 7 after turned on Sleep function the temperature will be increased 1 in every hou...

Страница 29: ...tting finished sleep curve setting finished at this time the remote control will resume the original timer display temperature 88 will display the corresponding temperature of last setting sleep curve...

Страница 30: ...n to set the desired temperature It is unnecessary to set the temp 2 Press MODE button select desired running mode Note When it is powered on the guide louver of main unit will close automatically 1 A...

Страница 31: ...tared different Quiet status could be optional and turned off Fig 1 Fig 2 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in...

Страница 32: ...r fan operate the indoor fan operates at low speed When Tpreset 3 Tamb Tpreset the unit will start drying operation In this case the indoor fan operates at low speed the compressor and the outdoor fan...

Страница 33: ...26 the unit will operate at cooling mode the default set temperature is 25 2 5 2 When Tamb 21 the unit will operate at heating mode the default set temperature is 20 if the cooling only unit operates...

Страница 34: ...1 indoor fan will operate at low speed Note The switchover among superhigh speed high speed medium speed and low speed requires minimum 210seconds of operation 2 7 4 In this mode set temperature will...

Страница 35: ...tus while cold plasma and static dedusting will be forced to be turned on and other loads will be turned off Then the complete unit will be turned off When X FAN function is set to be off once pressin...

Страница 36: ...for heating 64 of corresponding angle this louver will be activated For 24K mode only when big horizontal louver rotates to the first position for heating 40 of corresponding angle this louver will be...

Страница 37: ...ed from remote control the controller will operate according to the ambient temperature sent by the remote controller For cold blow prevention the unit operates according to the ambient temperature se...

Страница 38: ...ature point in heating 6 2 Under this mode the temperature setting range is 16 30 7 Defrosting control heating mode 7 1 If it turns to defrosting time and it detected that the defrosting temperature i...

Страница 39: ...operation frequency of compressor may decrease or increase 14 2 If 17A IAC current the system will stop operation because of overcurrent the complete unit can resume operation only after the compresso...

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Страница 42: ...250 cm 15cm Above 15cm Above 15cm Above The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts Space to the wall 200cm Ab...

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Страница 71: ...n is eliminated Replace the controller with one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loose...

Страница 72: ...gized the unit check if the voltage between red and black terminal of motor is 310VDC within 1 minute during the louver is under operation Mainboard malfunction replace the mainboard with same model M...

Страница 73: ...Install a matching jumper cap No Is the jumper cap inserted incorrectly or improperly Re insert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated...

Страница 74: ...FDWLRQ PDOIXQFWLRQ Poor contact of any line may lead to communication malfuntion Is there incorrect match between the main board and the display panel or between the indoor and outdoor boards Is there...

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Страница 77: ...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 power and repair the...

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Страница 79: ...ween the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Techn...

Страница 80: ...minal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 20min Replace cont...

Страница 81: ...connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop time is not enoug...

Страница 82: ...f the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the radiating of u...

Страница 83: ...EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth lead foot is simila...

Страница 84: ...rt circuit and replace it Y Re energize the unit and start it Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Replace the reactor Re energize the unit...

Страница 85: ...ation circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control board AP1 voltage Che...

Страница 86: ...Outdoor unit malfunction Test voltage value with Test 13 position in diagram with voltage meter Number jumping Test voltage value with Test 11 position in diagram with voltage meter Number jumping Te...

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Страница 90: ...VXSSOLHV EHIRUH GLVDVVHPEO 1 Before disassembling the unit Before disassembling the unit 2 Remove filter Open the panel Loosen the clasps on filter push the filter inward and then pull it upward then...

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Страница 93: ...J FRQQHFWLQJ URG 5HPRYH WKH FODPSV IL LQJ VZLQJ IDQ EODGH WR UHPRYH WKH VZLQJ IDQ EODGH 5HPRYH WKH LQGRRU WXEH WHPS VHQVRU 5HPRYH WKH VFUHZV IL LQJ HDUWK ZLUH WR UHPRYH WKH HDUWK ZLUH VZLQJ IDQ EODGH...

Страница 94: ...G UHPRYH WKH VFUHZV IL LQJ HOHFWULF ER FRYHU WR UHPRYH WKH HOHFWULF ER FRYHU VXE DVV 5HPRYH WKH VFUHZV IL LQJ FRQQHFWLRQ SLSH FODPS WR UHPRYH WKH FRQQHFWLRQ SLSH FODPS 5HPRYH HYDSRUDWRU VXE DVV HOHFWU...

Страница 95: ...WXEH WR UHPRYH WKH HYDSRUDWRU VXE DVV 5HPRYH WKH VFUHZV IL LQJ XS GRZQ VZLQJ PRWRU WR UHPRYH WKH PRWRU 5HPRYH WKH VFUHZV LQJ OHIW ULJKW VZLQJ PRWRU WR UHPRYH WKH PRWRU 5HPRYH FURVV IDQ EODGH DQG PRWRU...

Страница 96: ...WR UHPRYH WKH PRWRU FODPS 5HPRYH WKH FURVV IDQ EODGH DQG PRWRU 5HPRYH WKH VKDIWLQJ EHDULQJ FXVKLRQ UXEEHU EDVH 5HPRYH WKH VFUHZV LQJ FURVV IDQ EODGH DQG PRWRU DQG WKHQ UHPRYH WKH PRWRU VFUHZ PRWRU FO...

Страница 97: ...er Open the panel Loosen the clasps on filter push the filter inward and then pull it upward then the filter can be removed 1 2 Steps Procedure air filter hooks DUQLQJ H VXUH WR ZDLW IRU D PLQLPXP RI...

Страница 98: ...the panel 2 4 Remove electric box cover Along the groove fixing front panel slide the rotor shaft outward to remove the front panel screw Unscrew a screw of electric box cover with screwdriver Then ta...

Страница 99: ...remove the axial bush 1 Remove Axial bush 2 1 Take out the front case to separate the front case with bottom assembly 2 6 Remove front case Remove the screw cover of front case unscrew the 8 screws of...

Страница 100: ...separate the electric box cover 2 2 3 screw earth wire Remove every wiring terminals and remove the screws fixing electric box to remove the electric box sub assy electric box Remove Temperature Sens...

Страница 101: ...nection pipe clamp to remove the connection pipe clamp pipe clamp Loosen the clasps connecting the water tray and chassis and then remove the water tray Remove the screws fixing evaporator sub assy sl...

Страница 102: ...to the position as shown by the broken line 4 5 Remove the 2 screws of step motor with screwdriver and remove the step motor 1 9 Remove the cross flow louver and motor srews srews Lift up the evapora...

Страница 103: ...5HPRYDO 3URFHGXUH Remove screws fixing cross flow blade and motor 2 3 Pull out the plug of ring of bearing Remove the motor sub assy 4 Cross blow blade Fan motor Ring of Bearing Steps Procedure...

Страница 104: ...nel with the front panel and the right side plate and then remove the top panel 2 Remove grille and panel Remove the 2 screws connecting the grille and the panel and then remove the grille top cover g...

Страница 105: ...eft side plate and right 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 assy Remove the screw...

Страница 106: ...en 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 the 2 tapping screws fixing...

Страница 107: ...d then remove the fireproof electric box Fireproof electric box Since the piping ports on the soundproof sponge are torn easily remove the soundproof sponge carefully soundproof sponge 7 Remove Isolat...

Страница 108: ...and then remove the 4 way valve assy Remove the 3 foot nuts fixing the compressor and then remove the compressor Remove the screws connecting the support condenser and condenser assy and then remove...

Страница 109: ...5HPRYDO 3URFHGXUH 2 Dissemble the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy Steps Procedure...

Страница 110: ...el Loosen the screws connecting the front side panel and mask and chassis Remove the front side panel front side plate 2 Remove grille Twist off the screws connecting the grille and panel and then rem...

Страница 111: ...panel chassis and motor support with screwd river and then remove the panel 4 Remove guard grille Twist off the screws fixing the guard grille and then remove the guard grille 5 Remove handle Twist o...

Страница 112: ...nd then remove the right side plate Twist off the screws on electric box cover with screwdriver and then remove the electric box cover Twist off the screws on electric box cut off the tieline with sci...

Страница 113: ...blade Twist off the screws between electric box 1 and left side plate with screw driver pull it upwards to remove the electric box 1 Twist off the screws connecting the left side plate and chassis wi...

Страница 114: ...screws fixing the motor pull out the pin of leading wire for motor and then remove the motor Twist off the tapping screws fixing the motor support pull it upwards and then remove the motor support Uns...

Страница 115: ...dering 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...

Страница 116: ...chassis 15 Remove support plate of condenser Twist off the screws connecting the support plate of condenser and condenser with screwdriver and then remove the support plate of condenser 16 Remove chas...

Страница 117: ...he product specification and appearance in this manual without notice and without incurring any obligations Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 86694...

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