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GE AIR C18 Service Manual-Installation Download Page 36

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8.3    Disassembly Procedures of Outdoor Unit 

 

 

Operating Procedures / Photos    Applicable Unit models: GE AIR C18, C24 OUT          

 

  Disassemble Front Side Plate 

Screw off the four screws around the front side plate 

to remove the front side plate. 

(refer to Figure 8-25) 

 

 

 

 

 

Disassemble Top Cover 

Screw off the tapping screws around the top cover, 

and then pull the top cover upward to remove it. 

(refer to Figure 8-26) 

 

 

 

 

 

 

 

 

 

 

Disassemble Rear Grill 

Screw off the four screws around the rear grill to 

remove the rear grill. 

(refer to Figure 8-27) 

 

 

 

 

 

 

 

 

 

Figure 8-25

 

Figure 8-26

 

Figure 8-27

 

Summary of Contents for AIR C18

Page 1: ...GE Consumer Industrial Appliances Service Manual Installation Manual Split System Air Conditioner Model numbers GE AIR C18 GE AIR C24 GE AIR C34 GE AIR C41 ...

Page 2: ......

Page 3: ......

Page 4: ... 1 Introduction and Features Model Remarks GE AIR C18 Communication Seat and Ceiling Mounted Unit 1PH 230V 50Hz R407C 1 ...

Page 5: ... 2 Model Remarks GE AIR C24 Communication Ceiling Mounted Unit 1PH 230V 50Hz R407C ...

Page 6: ... 3 Model Remarks GE AIR C34 Communication Ceiling Mounted Unit GE AIR C41 Communication Ceiling Mounted Unit 3PH 380V 50Hz R407C ...

Page 7: ...of package W D H mm 848X678X310 970X970X310 Indoor unit Net weight gross weight kg 20 27 30 38 Model GE AIR C18 OUT GE AIR C24 OUT Compressor Model CHW33TC4 U C RN220H5B Compressor Type Rotary Type Rotary Type LRA A 71 75 78 Compressor Overload Protector Type Internal Inherent Protector Internal Inherent Protector Throttle Method Capillary Capillary Starting Method Capacitor Capacitor Range of wor...

Page 8: ...6 38 46 Model GE AIR C34 OUT GE AIR C41 OUT Compressor Model C SB303H8A C SB263H3A Compressor Type Rotary Type Rotary Type LRA A 45 48 Compressor Overload Protector Type Internal Inherent Protector Internal Inherent Protector Throttle Method Capillary Capillary Starting Method Capacitor Capacitor Range of working temperature 7 T 43 7 T 43 Condenser Aluminum fin copper tube Aluminum fin copper tube...

Page 9: ...inage device built in type will discharge condensing water out of the unit under cooling mode Air filter air cleaner within air inlet grill Air outlet Air inlet grill Drainage pipe Guide louver within air outlet Connecting pipe Remote controller Connecting pipe Air outlet Air inlet ...

Page 10: ...uilt in type will discharge condensing water out of the unit under cooling mode Air filter air cleaner within air inlet grill Air outlet Air inlet grill Drainage pipe Guide louver within air outlet Connecting pipe Remote controller Connecting pipe Air outlet Air inlet Air outlet ...

Page 11: ... 8 Overall and Installing Dimension 4 1 Overall and Installing Dimension of Indoor Unit Applicable to GE AIR C18 IN Overall dimension Installing dimension Over 1500MM Over 1500MM Floor 4 Over 1800MM ...

Page 12: ... 9 Applicable to GE AIR C24 C34 and C41 IN Overall dimension Installing dimension Over 1500MM Over 1500MM Floor Over 1800MM ...

Page 13: ... 10 4 2 Overall and Installing Dimension of Outdoor Unit Applicable to GE AIR C18 OUT Unit mm Over 600 Bolt Nut Wrench ...

Page 14: ... 11 Applicable to GE AIR C24 OUT Unit mm Over 600 Bolt Nut Wrench ...

Page 15: ... 12 Applicable to GE AIR C34 C41 OUT 378 Unit mm Over 600 Bolt Nut Wrench ...

Page 16: ... to condenser where it is liquidized after heat exchange with outdoor air After that the liquidized refrigerant flows through capillary for decrease of temperature and pressure and then enters into evaporator where it becomes low temp and low pressure refrigerant vapor after heat exchange with indoor air to be regulated This process is repeated in cycle to achieve the purpose of cooling Under heat...

Page 17: ... 14 Electrical Diagram GE AIR C18 GE AIR C24 6 ...

Page 18: ... 15 GE AIR C34 GE AIR C41 In case of any change in the Electrical Diagram shown above please follow the drawing on cabinet ...

Page 19: ...d the indoor fan will run at preset speed When Tpreset 1 T amb Tpreset 1 the unit will maintain its original operating status Under this mode the switchover valve will be de energized and the temperature can be set within a range from 16 to 30 7 1 2 2 Dehumidifying Mode 7 1 2 2 1 Working Conditions and Process of Dehumidifying When T amb Tpreset 2 the unit will run under cooling mode in which case...

Page 20: ...ode for the first time or it is switched to heating mode from another mode the 4 way valve will be energized and the indoor fan will run under cold air prevention mode 20 seconds after the compressor and outdoor fan are started If the unit is switched off under heating mode or switched from heating mode to another mode the 4 way valve will be de energized 2 minutes after the compressor is stopped ...

Page 21: ...n two hours After that the unit will run at this temperature No sleep function under fan mode or auto mode 7 1 4 Other control 7 1 4 1 Indicator Control 7 1 4 1 1 Indoor Unit Indicator 1 The Run Indicator red will be bright when the unit is started and be black when the unit is stopped The Run Indicator will blink under one of following conditions upon start of the unit Definition of Faults and Pr...

Page 22: ...When compressor is detected free of high pressure protection shield function will be cancelled and the Run Indicator will blink To restore the operation it is required to press ON OFF key to switch off the unit and indicator before pressing ON OFF key again 7 1 5 3 Compressor Low pressure Protection 1 After the compressor is started if it is detected for several minutes successively that the low p...

Page 23: ...rking for less than 10 minutes it will continue until up to 10 minutes before it is de energized 6 After Overfull Signal Disappears and press ON OFF key to switch off the unit you can press this key again to start the unit and exit the protection If the overfull signal does not disappear within 2 hours the water pump will be stopped 7 1 5 7 Communication Fault If no data are received within 3 minu...

Page 24: ...fic angle Another press will stop the guide louver TEMP key Each press of key will increase the preset temperature by 1 Each press of key will decrease the preset temperature by 1 Under mode the indoor temperature can be adjusted to any value between 16 30 MODE key The run mode will change sequentially as below with each press of MODE key Auto FAN key Each press of this key will change the fan spe...

Page 25: ... the information selected by each key SLEEP key Press this key to enter into sleep mode and press it again to exit sleep mode Note There is no sleep function under Auto or Fan mode AUTO OFF key Pressing this key when the unit is running you can set the AUTO OFF time from 0 to 24 hours Cancel the AUTO ON OFF AUTO ON key Pressing this key when the unit is stopped you can set the AUTO ON time from 0 ...

Page 26: ...ording to the indoor temperature making the environment comfortable z Replacement of Remote Controller Battery Two pieces of 7 alkali dry batteries are used in the remote controller 1 Slide the battery cover of remote controller downward Remove the old batteries and replace with two pieces of new batteries Take care that the polarity shall be correct 2 Close the battery cover of remote controller ...

Page 27: ... and the limit switch cable Use screwdriver to twist off four screws and Disassemble the front panel refer t o Figure 8 2 Disassemble Water Tray Manually unplug the socket connector of motor cable Use screwdriver to screw off the screw fixing the temp sensor and the motor cable Push the water level switch cable water pump cable and temp sensor cable aside Use screwdriver to screw off the four scre...

Page 28: ...orator Use screwdriver to screw off the two screws beside the isolation plate and then screw off the eight screws to remove the motor Use screwdriver to screw off the two screws of the connection board of evaporator Screw off the two screws at the tube exit plate Use screwdriver to screw off the screw at the support of evaporator disassemble the support of evaporator and then manually pull the eva...

Page 29: ... 8 11 Disassemble Pump Assy Pump and Water Level Switch Use socket wrench to twist off the nut beside the pump assy and then manually pull the pump assy upward to remove it Use screwdriver to screw off the four screws beside the pump Use screwdriver to screw off the two screws beside the water level switch refer to Figure 8 12 8 13 and 8 14 Liquid Level Switch Pump Pump Drainage Pipe Figure 8 10 S...

Page 30: ... beside the stepping motor turn the stepping motor to a certain angle and then remove the stepping motor refer to Figure 8 15 8 16 and 8 17 Disassemble Guide Louver Lift the connecting rod and manually separate it from the universal joint Use screwdriver to unscrew the connecting screws refer to Figure 8 18 Filter Screw Figure 8 15 Screw Figure 8 16 Stepping Motor Screw Figure 8 17 Universal Joint...

Page 31: ...le plug At the left clasp manually pull the four corner outer covers outward to remove them Use screwdriver to screw off the four screws turn the front panel anticlockwise and then pull it upward to remove it refer to Figure 8 2 8 3 and 8 4 Disassemble Water Tray Manually unplug the socket connector of motor cable Use screwdriver to screw off the screw fixing the temp sensor and the motor cable Pu...

Page 32: ...nd pull the control panel upward to remove it Use spanner to turn and loose the nut with washer Manually pull the fan upward to remove it refer to Figure 8 8 8 9 and 8 10 Grounding Wire Temp Sensor Cable Water Level Switch Cable Water pump cable Socket Connector of Stepping Motor Cable Water Tray Screw Figure 8 6 Figure 8 7 Figure 8 8 Clasp Screw Nut with Washer Figure 8 9 Figure 8 10 ...

Page 33: ...screw off the screw at the support of evaporator disassemble the support of evaporator and then manually pull the evaporator assy to remove it refer to Figure 8 11 Disassemble Air Outlet Rear Side Plate Sub assy First remove the velvet sheet and the left and right side plate cushions at the air outlet then use screwdriver to screw off the screw shown in the figure refer to Figure 8 14 and 8 15 Scr...

Page 34: ...vel switch refer to Figure 8 16 8 17 and 8 18 Disassemble Filter Angle Inner Cover and Stepping Motor Push the two clasps inward pull the filter backward Use screwdriver to screw off the eight screws at the corner inner cover and remove the corner inner cover Use screwdriver to screw off the two screws beside the stepping motor to remove the stepping motor Remove the filter refer to Figure 8 19 8 ...

Page 35: ...onnecting screws Use screwdriver to unscrew the screw beside the receiving window Pull forward and then lift the receiving window cover to remove it Push the two clasps to remove the panel controller refer to Figure 8 22 8 23 and 8 24 Stepping Motor Screw Figure 8 21 Universal Joint Connecting Rod Figure 8 22 Receiving Window Cover Screw Figure 8 23 Clasp Panel Controller Figure 8 24 ...

Page 36: ...around the front side plate to remove the front side plate refer to Figure 8 25 Disassemble Top Cover Screw off the tapping screws around the top cover and then pull the top cover upward to remove it refer to Figure 8 26 Disassemble Rear Grill Screw off the four screws around the rear grill to remove the rear grill refer to Figure 8 27 Figure 8 25 Figure 8 26 Figure 8 27 ...

Page 37: ...g the electric box and pull the electric box to remove it refer to Figure 8 29 Disassemble Right Side Plate Use screwdriver to screw off the screws at the right side plat condenser side plate gas valve and liquid valve and then pull the right side plate sub assy upward to remove it Screw Cabinet Figure 8 28 Screw Electric Box Communication Ceiling Type Unit Electric Box Screw Figure 8 29 Screw Rig...

Page 38: ...ve it refer to Figure 8 32 Disassemble 4 Way Valve Screw off the holding nut of the 4 way valve coil and remove the coil Use wet cotton cloth to wrap the 4 way valve unsolder the four soldering points connecting the 4 way valve and remove the 4 way valve Be quick during the unsoldering process pay attention to keep the wrapping cloth wet and do not allow the soldering flame to burn the compressor ...

Page 39: ... gas valve Note when unsoldering the soldering point use wet cloth to completely wrap the gas valve to prevent valve body from being harmed by high temperature Unscrew the two screws fixing the liquid valve unsolder the soldering point connecting the liquid valve and the fork type pipe and remove the liquid valve refer to Figure 8 35 Disassemble Compressor Firstly unsolder the pipes connecting the...

Page 40: ... support chassis and condenser side plate to remove the rear grill refer to Figure 8 62 Disassemble Top Cover Plate Screw off the tapping screws around the top cover and then pull the top cover upward to remove it refer to Figure 8 37 Disassemble Front Side Plate Screw off the three tapping screws at the front side plate and then pull the front side plate upward to remove it refer to Figure 8 38 ...

Page 41: ... Unscrew the screws around the electric box sub assy to remove the electric box sub assy refer to Figure 8 40 Disassemble Right Side Plate Unscrew the screws around the right side plate to remove it refer to Figure 8 41 Screw Cabinet Figure 8 39 Screw Screw Communication Cassette Type Unit Electric Box Figure 8 40 Screw Right Side Plate Figure 8 41 ...

Page 42: ...port upward to remove it refer to Figure 8 43 Disassemble 4 Way Valve Screw off the holding nut of the 4 way valve coil and remove the coil Use wet cotton cloth to wrap the 4 way valve unsold the four soldering points connecting the 4 way valve and remove the 4 way valve Be quick during the unsoldering process pay attention to keep the wrapping cloth wet and do not allow the soldering flame to bur...

Page 43: ... Disassemble Capillary Unsolder the soldering points between the capillary and other pipes to remove the capillary refer to Figure 8 46 Disassemble Compressor Unscrew the foot screw of the compressor and unsolder the connecting pipe to remover the compressor refer to Figure 8 47 Screw Liquid Valve Gas Valve Screw Figure 8 45 Capillary Figure 8 46 Foot Nut Figure 8 47 ...

Page 44: ...then gently wipe it with dry cloth Install the front grill Use your hand to put the front grill into front case at an angle of 45 making the front hook jointed to the groove of front case Then use your hand to push the left and right clamp on front grill to the middle Close the front grill 10 2 Clean the air filter Remove the air filter From the grooves on two ends of the front panel pull the fron...

Page 45: ... above 500 above 300 above 2000 Unit mm Floor Figure 2 above 2000 above 1000 above 1000 Obstacles Installation Instructions 11 1 Installation Dimension Drawing Indoor Unit Model H GE AIR C18 230 GE AIR C24 240 GE AIR C34 320 GE AIR C41 320 Outdoor Unit 10 Obstacles above ...

Page 46: ...In case it is not the case reinforce the installation position before installing the unit refer to the installation paper mould to find out the points to be reinforced Caution 1 Ensure the cooking smoke extractor above the gas stove has enough capacity of extracting smoke so that the smoke is not suctioned by the air conditioning unit 2 Ensure the air conditioning unit is far away from the kitchen...

Page 47: ...stallation position refer to Figure 3 3 Check if the unit is horizontal The indoor unit is equipped with built in draining pump and level tube In case the unit inclines toward the direction opposite the flow direction of condensate water the float switch may suffer from failure so that dripping is caused 4 Remove the washer locating plate for preventing the washer from falling off Tighten the nut ...

Page 48: ...Only use middle sponge 11 to wrap the joint part between the gas pipe and the insulating sleeve of the collect gas pipe Table 1 Pipe Dia Wall Thickness mm Tightening Torque Explanation φ9 52 0 71 30 40N m φ16 1 40 50N m φ12 1 60 65N m φ19 1 70 75N m The allowed maximum design length of connecting pipe of air conditioning unit is 25m 15m for 50 Series0 In case the pipe is longer than 10m add the fo...

Page 49: ...drainage clamp for thermal insulation Take thermal insulation measures for the indoor flexible drainage pipe 2 Precautions for Installing Drainage Lift Pipe The installation height of drainage lift pipe shall be less than 280mm The drainage lift pipe shall be perpendicular to the unit and no more than 300mm from the unit Note The gradient of accessory flexible drainage pipe shall be within 75mm so...

Page 50: ...trical line for air conditioning For electrical operation refer to the Electrical Diagram attached on the unit All installation of electric lines must be carried out by professional electricians A circuit breaker must be installed for the purpose of cutting off the power supply of the whole system when needed Grounding measures must be taken Carry out installation in accordance with the state line...

Page 51: ...the cable it is necessary to prevent condensation After the connection is completed use wire pressed clamp to press it and then install back the covers 1 2 of the electric box Heating and Cooling Type Unit Connect the 6 core rubber covered cable to the corresponding terminals of the 6 bit terminal board Caution When connecting the connection cables of the outdoor unit the corresponding poles shall...

Page 52: ...ning two clasps on the main hook pay attention not to entangle the cable of the guide louver motor in the sealing materials Drive the four hexagon screws below the clasp in about 15 mm The front panel shall ascend As shown in the figure adjust the front panel to the direction of the arrow so that the adjusting plate engages with the ceiling well Tighten the screws until the thickness of the sealin...

Page 53: ...led adjust the height of the unit again refer to Figure 6 3 Lines of Decorative Front Panel refer to Figure 7 z Carry out connections for the two terminals of the guide louver motor cable located at the front panel If the ascending and descending range of the indoor unit and the drainage pipe allow adjust the height of the indoor unit via the hole in the corner of the front panel Split is not allo...

Page 54: ...ion between the outdoor unit and the installation base z When the unit is under heating or defrosting operation the outdoor shall carry out draining operation z If drainage pipe is to be installed insert the drainage joint 13 accessory 1 into the drainage hole in the chassis of the outdoor unit and then connect a drainage pipe to the drainage joint if a drainage joint is to be used the installatio...

Page 55: ...t must be grounded to avoid harm as a result of insulation failure 4 All lines must be correctly connected according to the electrical diagrams attached to the unit Wrong connections may cause abnormal operation or damage of the air conditioning unit Caution All electrical line layouts must be carried out by professional technicians Wrong line layout may cause electric shock or fire accident Conne...

Page 56: ... room temperature to reach a comfortable effect When the unit is in operation press the Auto switch on the corner outer coverⅡ then the unit stops operation the outdoor unit shall stop operation at the same time Caution The test switch on the corner outer coverⅡis specially for test run When pressing this key the air conditioning unit carries out compulsory running without subjecting to the limit ...

Page 57: ...is in the air supply mode but the fan motor does not run Remote controller failure Remove failure or replace damaged parts Coil line break Both outdoor fan and compressor do not run Relay failure Poor contact Replace relay Failure of outdoor fan motor Replace relay Failure of outdoor relay Replace relay The operation is under Cooling or Heating mode the compressor runs but the outdoor fan does not...

Page 58: ...erant Poor cooling effect in cooling operation Poor thermal insulation of refrigerant connecting pipe between outdoor unit and indoor unit Big pipe and small pipe shall have separate thermal insulation Heating load is too heavy Check the forecasted heating load Set temperature is too low Increase set temperature Mounting position of outdoor unit is inappropriate Outdoor side shall have good ventil...

Page 59: ...ng to resonance Take proper vibration damping measures Pipes of outdoor unit bump together Adjust fan motor position Foreign articles inside the indoor unit Remove foreign articles Vibration of compressor is violent Adjust support foot mat of compressor tighten oose bolts Pipes of outdoor unit bump together Separate bumping pipes Tighten connection screws Metal plates bump together inside the unit...

Page 60: ...4 way value failure Replace 4 way valve failure in flow of refrigerant Insufficient refrigerant Charge refrigerant Compressor failure Replace Compressor Insufficient flow through pipeline valve Fully open the valve Block in air filter Clean the filter grill Insufficient air circulation volume Check if the fan speed is set too low Set fan speed as high or medium Poor thermal insulation of refrigera...

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