Service Manual 115V
Contents
1. p M o gt L overload tempe outdoor ambient neutral wire terminal high frequency regulator 7805 modular compressor rature sensor temperature sensor transformer 3 phase terminals outdoor tube U phase is blue wire compressor discharge temperature sensor communication wire V phase is yellow wire temperature sensor terminal connected W phase is red wire to indoor black communication wire e BOTTOM VIEW 10 Function and Control 6 Function and Control 6 1 Remote Control Operations ON OFF Button Setpoint Temperature DOWN Button Setpoint Temperature UP Button FAN Speed Button MODE Button G FEEL Button HEALTH function Button AIR function Button Clock Button Timer ON Button X FAN Button NL a Temperature Displaye Button TIMER OFF Button TURB2. The above data are subject to be changed without notice Du Part Code Description NO GWHO9AB A3DNA1B O Qty 29 Exploded Views and Parts list Model GWH12AB A3DNA1B O OC Mm s aia A 7 _ AL ITALI ME eS 5 e KS dm v T3 DN LG LUN WO IMM SSSSSLPILIT PDI LIDIDITIEELELEELEES 30 Exploded Views and Parts list Part Code Description NO GWH12AB A3DNA1B O Qty Product Code CB115W0570 6 1 s jDseemesemo 39x16 31 The above data are subject to be changed without notice 31 9 Troubleshooting 9 1 Malfunction Analysis Troubleshooting Note When replacing the controller make sure insert the wire jumper into the new controller otherwise the unit will display C5 32 Air conditioner can not start up Trip of breaker or blow of fuse no response The remote con troller does not receive signals after it is owered the uzzer will sound unless it has malfunction Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to ON leakage The circuit or the part of the air conditioner has The breaker trips in few malfunc
3. 5 GREE Service Manual MODEL GWHO9AB A3DNA1B GWH12AB A3DNA1B Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Table of Contents Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 Summary and 1 Safety Precautions 1 7 eere 2 3 Construction 5 II 5 Aa AA aaa 5 Refrigerant System 6 Schematic 7 mi eige pB 7 9 2 VINN IAA 7 9 9 Printed Circuit BA 9 Function and Control 1 mmm 11 6 1 Remote 11 6 2 Changing Batteries and 13 6 3 Description of Each Control 14 Installation Manual tmm 19 Fat INGHESS Tor Install EAEE 19 secede ste __ ___ 21
4. y Check wiring inside of the indoor outdoor normally before the failure occurs Check the wiring of the indoor and outdoor units with reference to the wiring diagram units voltage detection circuit Y Are wires broken is at fault N Check the communication the fault is eliminated circuit of the outdoor unit gt The communicatio Replace the main board Y circuit iu v N Replace the main board of the indoor unit of the outdoor unit f the fault is eliminated Y lt s the connection right Y Correctly connect the corresponding wires for the indoor and outdoor units with reference to the wiring diagram If the fault is eliminated End 46 Troubleshooting 9 Flow chart for outdoor communitcation circuit detecting gt Measure voltage at the Test 10 position as shown in the diagram with a voltmeter Value jumping dr voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping v Fault with outdoor unit End Z Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping N gt Measure voltage at the Test 12
5. MR ERE 22 8 RR 24 7 5 Check After Installation and Operation 25 Table of Contents Part 8 Exploded Views and Parts 26 ro 40 2 1 NRI 26 RIGO OD I 28 Part 9 32 9 1 Malfunction 32 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement 36 9 3 How to Check Simply the Main Fe AN 39 Part10 Removal 48 10 1 Removal Procedure of Indoor seeundum 48 10 2 Removal Procedure of Outdoor 51 Summary and Features Summary and Features Indoor Unit 12 Outdoor Unit E _ _ GWHO9AB A3DNA1B O n GWH12AB A3DNA1B O gt 2 yA Remote control window 1 D ale gt 3 E 5 1 Safety Precautions Important Please Read Before Srarting This air conditioning system meets strict safety and operating standards As the installer or service person it is an imp
6. 8 Exploded Views and Parts List 8 1 Indoor Unit M 2 B Not Eg ANSA WA LI 2H c dif H3 A 46 26 Exploded Views and Parts list dm Part Code Description NO 12 Qty Assy 1 2 esu 2 Cover 3 CaseAssy 3 7 6 __ o 1 29 ___ 1 10 Rear Gase assy 2220204 2220040 1 7711 Roover Pug Water ta 722 enon 1 7712 O Gasket sub assy of Bearing 7611 1 e __ 1 aa 0102089 000540 1 15 1 7716 muesemo E 59 1 jVeorPressPae 3 1 19 Pine clamp ___ 3 20 WalrMounting Frame 05208 12 298 1 1 1 1 lower Gimp eaa meam wao 1 Wa aa 2 28 Shield cover
7. if the voltage input of the machine is within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT if the compressor coil resistance is normal If the insulation of compressor coil against the copper tube is in good condition if the working load of the machine are too high If the radiation is good if the charge volume of refrigerant is correct 40 Fault diagnosis process Energize and switch on Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the voltage between terminal L and N on wirin board XT is within 210VAC 250VAC Check the supply voltage and restore it to 210VAC 250VAC IPM protection occurs after the machine has run for a period of time Restart theunit Before protection occurs use DC to measure the voltage between the two 9 N ends of electrolytic capacitor on control Rael APT test3 Voltage between the two ends of celectrolytic capacitor test3 is igher than 290 If the unit can work normally2 Reconnect the 2 according to Electrical Wiring Diagram Then Restart the unit Stop the unit and disconnect the power supply Then check the connection of capacitor C2 according to Electrical Wiring Diagram The connection of cap
8. E lt l O O O set of temperature Adjust set temperature If cooling heating load is Check the forecasted load of cooling heating The refrigerant has leakage Check and fill the leakage then s vacuumize it and supplement the refrigerant as required Leakage between the high pres proper Replace the compressor sure and the low pressure in Malfunction of P side the compressor refrigerant flow Malfunction of four way valve Replace the four way valve Local block of capillary Replace the capillary Judge whether the system is blocked by observing the condensation of Blockage of cooling system evaporator and the pressure value of the high pressure manometer and take measuresto deal with the system Heat insulation for the connection pipes of the indoor unit and the out door unit is bad Make sure that heat insulation 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 Clean the dust accumulated on the changer surface of the heat exchanger Clean the filter To set the fan speed to high or Fan speed was set too slow Air circulation is insufficient __ Capacitor Replace the capaci Fan rotation speed becomes damage tor du Motor damage Replace the motor The installation position of the outdoor
9. Note Only for models with heating function FEEL Press this button FEEL On and FEEL Off can be selected When turn on FEEL function The unit will adjust temperature automatically according to the sensed temperature The function is not for the models mentioned the manual Pressthisbutton to setHEAL THfunction ON or OFF After the unit is turned on it defaults to HEALTH function ON e The function is not for the models mentioned in the manual Press thisbutton to select AIR function ON or OFF clock Press this button the clock can be set up signal blink and display Within 5 seconds the value can be adjusted by pressing or button if continuously press this button for 2 seconds above in every 0 5 seconds the value on ten place of Minute will be increased 1 During blinking repress the Clock button signal C will be constantly displayed and it denotes the setting succ eeded After powered 12 00 is defaulted to display and signal will be displayed If there is signal 2 be displayed that denotes the current time value is Clock value otherwise is Timer value TIMER ON Timer On setting Signal ON will blink and display signal will conceal the numerical section will become the timer on setting status During 5 seconds blink by pressing or button to adjust the time value of numerical section every press of that butt on the value will be increased or decreased 1 minute Hold press
10. above Left I 5 5mm 5 5mm Rear piping hole 12K Unit Rear piping hole Fig 5 7 3 2 Drill Piping Hole 1 Slant the piping hole P 55 on the wall slightly downward to the outdoor side 2 Insert the piping hole sleeve into the hole to prevent the connection piping and wiring from being damaged when passing through the hole 7 3 3 Installation of Drain Hose 1 Connect the drain hose to the outlet pipe of the indoor unit Bind the joint with rubber belt 2 Put the drain hose into insulating tube 3 Wrap the insulating tube with wide rubber belt to prevent the shift of insulating tube Slant the drain hose downward slightly for smooth drainage of condensing water Note The insulating tube should be connected reliably with the sleeve out side the outlet pipe The drain hose should be slanted downward slightly without distortion bulge or fluctuation Do not put the outlet in the water Indoor Outdoor Wall pipe Z 7 Seal pad Joss indoor unit rubber belt outlet pipe of drain hose indoor unit CNN vv vy rubber belt insulating tube rubber belt outlet pipe of indoor unit a 22 Installation Manual 7 3 4 Connecting Indoor and Outdoor Electric Wires Wiring Cover 1 Open the front panel 2 Remove the wiring cover 3 Make the power connection cord and signal control wire only for heat pump unit pass through 4 Reinstall the cord anchorage a
11. and then make hem pass through the piping hole As shown in Fig 8 3 Hang the mounting slots of the indoor unit on the upper hooks Right ren rear of the mounting plate and check if it is firm enough As shown Right rear x Fig 8 in Fig 9 Fixing hook Mounting _ 19 9 1 4 installation site should be 250cm more above IL Mounting the floor plate 7 3 6 Install the Conduit assy 1 Pass the connection wires of indoor and outdoor units throught the wire passing pipe 2 Fix the wire passing pipe at the chassis with 2 screws e Conduit assy consists of conduit conduit holder and conduit connector The length of the wire passing pipe can be calculated accord ing tothe length of connection wire Conduit holder duit 23 Installation Manual 7 3 7 Installation of Connection Pipe 1 Align the center of the piping flare with the related valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque wrench by referring to the following Indoor unit piping Tube diameter Tightening torque approximate N m 35 1 4 14 18N m 140 180kgf cm nut piping E 9 52 3 8 34 42N m 340 A420kgf cm I 12 7 1 2 49 61N m 490 610kgf cm wrench 15 88 5 8 68 82N m 680 820kgf cm NOTE Connect the connection pipe to indoor unit at first and then to outdoor unit Handle piping bendin
12. discharge valve malfunc tion of protector Processi ng method adjust refrigerant amount replace the capillary replace the compressor use univers al meter to check if the contactor of compressor is fine when it is not overh eated if not replace the prote ctor 6 System malfun ction i e overloadprotection Whentubetemperature Check thetemperatureof outdoor heat exchanger when cooling and check the temperature of indoor heat exchanger when heating is too high protectionwill beactivated Possi ble reasons Outdoor temperature is too high when cooling insufficient outdoor air circulation refrigerant flow malfunction please refer to the malfunction analysis in the previous section for handling method 7 IPM module protection Processing method Once the module malfunction happens if it persists for a long time and can not be self canceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the module 38 Troubleshooting 9 3 How to Check Simply the Main Part 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Points Use voltmeter to check if the voltage between terminal L and on the wiring board is within 210VAC 240VAC if the reactor L is correctly connected If the connection is loose or fallen If the reactor L
13. of Electric Boxsub asey 01923 ossos 1 7729 Swing biade Roura roy 1051099 __ mexene 1 77 7733 Box Cove 1 Display Cover 1 35 9 1 3 777 2028 2 1 38 Etectic Box Assy 201059 201059 1 39 Remote Conroe 305105 1 7 40 Ambient Temperature Sensor 1 The above data are subject to be changed without notice gt gt gt gt gt 27 22 77 UMM Exploded Views and Parts list 23 24 AA 25 26 27 28 29 30 4 Se 2 E AN y A A x 4 az M JL o Jf r J Y oar eT TI WA HELL EL LITEIT 8 2 Outdoor Unit Model GWH09AB A3DNA1B O 28 Exploded Views and Parts list Product Code CB115W0550 e compressor ana tinas 1 jpsewmesemo
14. position as shown in the diagram with a voltmeter i Value jumping Y v The communication circuit of the outdoor unit is normal Bis aN Note the information above is for reference only 47 Removal Procedure 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit N Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly Step Procedure 1 Remove front panel front Push the convex parts in the left and right sides panel of the front panel and then lift the front panel Unscrew the screws fixing the display cover and pull out the plug Forcibly lift the front panel up wards from the clasps to take it out 2 Remove filter and press plate Top the middle section of air filter from the clasps filter at both sides Pull the air filter forward to remove it Unscrew the 1 screw on press plate to open the press plate 3 Remove guide louver Push out the axile bush in the middle of guide louver Then slightly bend the guide louver to clasps press plate remove it guide louver 4 Remove front case Unscrew the 7 tapping screws fixing the front case and turn the front case backwards to re move it 48 Removal Procedure stee 5 Remove water tray Unscrew the ground screw on the electric box cover and loose the clasps to remove electric box cover Pulll out the wiring terminal
15. prevention If T amb Tpreset 5 the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will stop after 60 second blow at low speed If Tpreset 2 C T lt Tpreset 5 the unit will maintain its original operating status gt Under this mode the four way valve is energized and temperature can be set within a range of 16 30 C The operating symbol the heating symbol and preset temperature are revealed on the display Condition and process of defrost When duration of successive heating operation is more than 45 minutes or accumulated heating time more than 90 minutes and one of the following conditions is reached the unit will enter the defrost mode after 3 minutes a Toutdooramb Toutdoor tube SWC b SToutdoor amb lt B C Toutdoor tube SK SToutdoor amb lt C C Toutdoor tube YC d Toutdoor amb C Toutdoor tube CZ At that time the indoor fan stops and the compressor stops and after 30 seconds the outer fan will stop and then after 30 seconds the four way valve will stop After 30 seconds the compressor is initiated for raising the frequency to defrost frequency When the compressor has operated under defrost mode for 7 5 minutes or Touter tube E the compressor will be converted to 53Hz operation After 30 seconds the compressor will stop And after another 30 seconds the four way valve will be opened and after 60 seconds the compres
16. resistance Ifthe resistance is normal between the three terminals on compressor OMP and compare the measurements with the compressor resistance on ervice Manual Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500MO Y Troubleshooting 3 High temperature and overload protection diagnosis AP1 hereinafter refers to the control board of the outdoor unit Mainly detect 15 outdoor ambient temperature in normal range Are the outdoor and indoor fans operating normally the heat dissipation environment inside and outside the unit is good Fault diagnosis process Overheat and high temperature protection Normal protection please operate Y it after the outdoor ambient temp erature is normalized Is outdoor ambient temperature higher than 53 N 20 minutes after the complete unit is powered off Improve the heat Is heat dissipation of the indoor unit dissipation o and outdoor unit abnormal x ment of the unit 1 Check if the fan terminal OFAN is connected correctly N 2 Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Does the outdoor fan work normally Ohm Replace the fan capacitor C1 Replace the control panel 1 Replace th
17. temperature orzm outdoor am bient temperature The unit defaults not to display the icon During operation of TEMP button the set tem perature is always displayed TIMER OFF Once press this key to enter into TIMER OFF setup in which case the TIMER OFF icon will blink The method of setting is the same as TIMER ON TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in shortest time Such as in COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed This function is not applicable for some models SLEEP Press this button Sleep On and Sleep Off can be selected After Sleep function set up the unit will automatically select the suitable operation mode to maintain the most comfortable temperature for you This function is available in COOL HEAT or DRY mode LIGHT Press this button to select LIGHT on or off the displayer When the LIGHT on is set the icon 0 will be displayed the indicator light in the displayer will be on When the LIGHT off is set the icon will be displayed and the indicator light in thedisplayer will be off and button about lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked gg is displayed In this case pressing any butto
18. timed function the time is out and the system is start or stop according to the set time when the power supply is interrupted the system will remember the operation status before the power supply was interrupted and do not carry out timed action The timed clock will not remembered Installation Manual 7 Installation Manual 7 1 Notices for Installation 7 1 1 Caution 1 The unit must only be installed by authorized service center according to local or government regulations and in compliance with this manual 2 Before installating please contact with local authorized maintenance center If the unit is not installed by the authorized service center the malfunction may not be solved due to discommodious contacts 3 When removing the unit to the other place please firstly contact with the local authorized service center 4 Warning Before obtaining access to terminals all supply circuits must be disconnected 5 For appliances with type Y attachment the instructions shall contain the substance of the following If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 6 The appliance must be positioned so that the plug is accessible 7 The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 8 The instructions shall state the substance of the following This appliance is not intended for u
19. unit and the PFC capacitor are broken Fault diagnosis process Check wiring of the reactor L of the outdoor unit and th PFC capacitor Replace it as per ng Y wiring diagram and reconnect the wires Whether there is an damage or short circuit If the fault is eliminated N Y Remove the PFC capacitor and measure resistance N between the two terminals The capacitor is Y gt short circuited and Restart the unit the capacitor Should be repla ced Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistanc If the fault is eliminated between the two terminals of the reactor by an ohm gauge Whether there is any damage Y 9 Replace the reactor Restart the unit or short circuit v Replace the control If the fault is eliminated panel AP1 D 45 Troubleshooting 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect 15 there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not if is there any damage Fault diagnosis process Did the eguipment operate
20. unit is not appropriate Air filter were blocked Good ventilation must be provided for the installation position of the outdoor unit Properly install the rainproof plate or the sunproof The outdoor temperature is too high plate If the makimum cool air still can not meet the requirement it is suggested to replace the air conditioner The air tightness is not enough People Keep certain air tightness indoors try not to use electricalappliance with large quantity of heat come in and out too frequently There are heating devices indoors 33 34 Troubleshooting The indoor fan motor is burned or breaks or has the heat protector malfunction Replace the fan motor or the defective part The built in heat protector of the motor breaks freguently because the motor is The fan does not abnormal run when it is set to supply air Wrong connection Make the correction connection based on the circuit drawing The fan capacitor has open circuit or is Replace the fan capacitor of the same type and damaged same specification The outdoor fan motor is damaged Replace the fan motor Replace the fan motor In the cooling and Make the correct connection based on the circuit drawing heating mode the compressor runs rong connection but the outdoor fan does not run Replace the fan capacitor The outdoor fan capacitor is damaged Malfunction of compre
21. will stop and under cooling mode the indoor fan and the swing motor will remain at the original state If T evap 6 the compressor has remained at OFF for at least 3 minutes the compressor will resume its original operation state Total current up and frequency down protection If Itotal frequency rise will be allowed if Itotal gt B frequency rise will not be allowed ifltotal gt C the compressor will run at reduced frequency and if Itotal D the compressor will stop and the outdoor fan will stop with a time lag of 30s 2 Dehumidifying Mode Working conditions and process of dehumidifying If gt the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Tpreset 2 C lt Tamb X Tpreset the compressor remains at its original operation state If lt Tpreset 2 the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed 14 Function and Control 2 Protection Protection is the same as that under the cooling mode 3 Heating Mode Working conditions and process of heating If lt Tpreset 2 C the unit enters heating mode in which case the four way valve the compressor and the outdoor fan will operate simultaneously and the indoor fan will run at preset speed in the condition of preset cold air
22. 01200 11404001280 Cooling Power Current Heating Power Current 3 e o st o Www 38 2 carro Osho _ EvaporatorForm Aumimumin copperTube AuminumFin copperTube _ SwngMerMde _______ MB _ gt gt gt Specifications Model of Outdoor Unit 9 1 GWH12AB A3DNA1B O CHINA CHINA RESOURCES SHENYANG RESOURCES SHENYANG SANYO COMPRESSOR CO SANYO COMPRESSOR CO LTD SANYO LTD SANYO ama ii G9RZHOHIA Comes MS Compessope J rom TwotingMehoi expansion valve Electron expansion vane Condenser Form AumiumFicopperTube AuminumFincopperfube Oudoor OwputoffanMgg _ W 0 o S Ar Fiow Volume 299 Defosting Method ________ AWomaicDefosin o Pressure for the Side Permissible Excessive Operating Pressure for the Suction Side Compressor Manufacturer Trademark DimensionofPacage LWM mm 8808655 5816965 NetWeht __ 4 4 GessWeg eo 4
23. O Button Sleep Mode Button Light Mode Button is the alternative expression of BLOW for the purpose of understanding Press this button the unit will be turned on press it once more the unit will be turned off For presetting temperature decreased Press this button can set up the temperature when unit is on Continuously press and hold this button for more than 2 seconds the corresponding contents will be changed rapidly but in AUTO mode set temperature is not adjustable T For presetting temperature increasing Press this button the temperature can be set up continuously press this button and hold for two seconds the relative contents can quickly change but in AUTO mode set temperature is not adjustable VU FAN Press this button Auto Low Middle High speed can be circularly selected After powered on Auto fan speed is default Under Dehumidify mode Low fan speed only can be set up 11 Function and Control a 48 wal A444 Medium speed 4 High speed MODE Press this button Auto Cool Dry Fan Heat mode can be selected circularly Auto mode is default while power on Under Auto mode the temperature will not be displayed In this mode the unit will automatically select the suitable operation mode in acc ordance with the room temperature to make the room more comfortable for you 7 3 4 M AUTO cooL DRY XX HEAT
24. Unscrew the 2 screws fixing the water tray to remove the water tray ground screw electric box cover water tray 6 Remove electric Unscrew the 2 screws fixing the electric box Unplug the motor terminal Unscrew the three ground screws Lift the electric box upwards to remove it ground screw gt Screw 7 Remove evaporator Unscrew the screws fixing the clamp plate of rear of rear pipe pipe at the back of evaporator to remove the plate clamp plate Screw Unscrew the 2 screws in the right of evaporator 49 Removal Procedure Step Procedure Unscrew the 2 screws in the left of evaporator Turn the evaporator at certain angle to remove it PEE rd i 8 motor and cross flow Unscrew the screws fixing the press plate of motor and connecting motor and cross flow fan to remove the motor and cross flow fan 50 Removal Procedure 10 2 Removal Procedure of Outdoor Unit N Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly ma Procedure 1 Remove top cover and handle Remove the screw fixing the handle and then remove the handle Remove the screws around the top cover and then lift top cover handle the top cover upwards to remove it Screw 2 Remove front panel Remove the screws fixing the front panel and th
25. acitor C2 is loose the heat of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system ressure 15 too igh 5 Other conditions resulting in that the system pressure becomes too high Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet If the unit can work normallv capacitor C2 until the voltage is lower than 20V If the unit can YY work normally Refer to the Electrical Wiring Diagram and check if th connection between 1 and COMP is loose and if the connection order is correct Take corrective actions according to Technical Service Manual and then energize and start the unit If there is any abnormality described above If the unit can work normally onnect the control pane AP1 and compressor COMP correctly according to the Electrical Wiring Diagram Then energize and start the unit If the connection between AP1 and COMP is unsecure or the connection order is wrong Use ohmmeter to measure the
26. an 3 minutes In the situation that memory function is available for the first energization if the compressor is at stop before de energization the compressor will be started without a 3 minute lag if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be stopped within 6 minutes regardless of changes in room temperature 1 Cooling Mode Working conditions and process of cooling When Tamb Tpreset the unit will enter cooling operation in which case the indoor fan the outdoor fan and the compressor will work and the indoor fan will run at preset speed When Tamb Tpreset 2 the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will run at preset speed When Topreset 2 C Tamb lt Tpreset 1 C the unit will remain at its previous state gt Under this mode the four way valve will be de energized and temperature can be set within a range from 16 to 30 C If the compressor is shut down for some reason the indoor fan and the swing device will operate at original state Is Sto p cooling Protection Freeze protection Under cooling and dehumidifying mode 6 minutes after the compressor is started If T evap lt 2 the compressor will operate at reduced frequency If T evap lt 1 Cis detected for durative 3 minutes the compressor will stop and after 30 seconds the outdoor fan
27. defrost begins After the compressor has operated for 3 minutes the sensor is detected Exhaust m to be open circuited or short circuited for successive 30 seconds After the compressor has operated for 3 minutes the sensor is detected Overload en to be open circuited or short circuited for successive 30 seconds Function and Control 4 Other Controls 1 ON OFF Press the remote button ON OFF the on off state will be changed once each time you press the button 2 Mode Selection Press the remote button then select and show in the following ways AUTO COOL DRY FAN AUTO 3 Temperature Setting Option Button Each time you press the remote button TEMP or the setting temperature will be up or down by 1 C Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote control b SLEEP State Control a When the air conditioner is under the mode of COOL DRY and the SLEEP mode has been set well after the SLEEP state keeps about 1 hour the pre setting T will raise 1 C and it will raise 1 C again after 2 hours so it raise 2 in 2 hours then it will run on at the setting temperature and wind speed b When the air conditioner is under the mode of HEAT and the Timer has been set well after the SLEEP state keeps about 1 hour the pre setting T will reduce 1 C and it will
28. e outdoor fan End 41 Troubleshooting 4 Start up failure following AP1 for outdoor unit control board Mainly detect Whether the compressor wiring is connected correct 5 compressor broken 5 time for compressor stopping enough Fault diagnosis process 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 compressor connected correctly Is connection sequence right Y Y Replace the control panel AP1 If the fault is eliminated Replace the compressor Y i Connect the wires as per the connection diagram 42 Troubleshooting 5 Out of step diagnosis for the compressor AP1 hereinafter refers to the control board of the outdoor unit Mainly detect Whether the system pressure is too high Whether the input voltage is too low Fault diagnosis process Out of step occurs once the Out of step occurs in unit is powered on operation Is stop time of the compressor longer than 3 minutes Is the outdoor fan working normally Check if the fan terminal Repl the f N OFAN is connected E x the outdoor fan Y Remove foreign objects Is the outdoor unit blocked by foreign objects Are the wires for the compress
29. e by the professionals 4 The air switch must have the functions of magnetic tripping and heat tripping to prevent short circuit and overload 5 The minimum distance between the unit and combustive surface is 1 5m 6 The appliance shall be installed in accordance with national wiring regulations 7 An all pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring Note Make sure the live wire neutral wire and earth wire in the family power socket are properlly connected There should be reliable circuit in the diagram 9 Inadequate or incorrect electrical connections may cause electric shock or fire 7 1 6 Earthing Requirements 1 Air conditioner is type electric appliance Please ensure the the unit is reliably earthed 2 The yellow green wire in air conditioner is the earthing wire which can not be used for other purposes Improper earthing may cause electric shock 3 The earth resistance should accord to the national criterion 4 The user s power must have reliable earthing terminal Please don t connect the earthing wire with the following D Water pipe Gas pipe 8 Contamination pipe 4 Other place that professional personnel consider is unreliable 5 The model and rating values for fuses accord with the silk print on fuse cover or related PCB 20 Installation Manual 7 2 Installation Drawing E opace to the ceiling opac
30. e pipe blocked or broken Water leakage gt Wrap of refrigerant pipe joint is not close enough Change controller Correctly wire according to the drawing Adjust setting temp Change drainage pipe Re wrap and make it tight Fan of indoor unit contacts other parts e Adjust fan location Foreign object in indoor unit Compressor shakes too much Touch of pipeline of outdoor unit Abnormal sound and shake Touch of inner plates Louver of outdoor unit touched outer case Abnormal sound inside compressor Take out the foreign object Adjust support washer of compressor and tighten loosen screws Separate the touching pipeline 1 Tighten connect screw 2 Stick absorbing clay between plates Adjust location of louver Change compressor 35 Troubleshooting 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement Nane of malfunction MECOK UN Reasons CODE LED2 LED4 Stop for anti freezing refrigerant leakage indoor unit air flow protection of indoor unit times blocked up filter duty less refrigerant capillary blocked up Stop for exhaust protection E4 blink 7 times 9 p ambient temperature is abominable low voltage ambient temperature is Stop for low voltage protection E5 blink 5 times 9 abominable e communication line failure main PCB Stop for commu
31. e test viri 9t 9 Is heat insulation sufficient It may cause condensation and dripping Is water drainage satisfactory It may cause condensation and dripping Is the voltage in accordance with the rated It may cause electric malfunction voltage marked on the nameplate or damage the product Is the electric wiring and piping It may cause electric malfunction connection installed correctly and securely or damage the part Has the unit been connected to a secure It may cause electrical leakage earth connection Is the power cord specified It may cause electric malfunction or damage the part Are the inlet and outlet openings blocked It may cause insufficient cooling heating capacity Is the length of connection pipes The refrigerant capacity is not accurate and refrigerant capacity been recorded 7 5 2 Operation Test 1 Before Operation Test 1 Do not switch on power before installation is finished completely 2 Electric wiring must be connected correctly and securely 3 Cut off valves of the connection pipes should be opened the impurities such as scraps thrums must be cleared from the unit 2 Operation Test Method 1 Switch on power and press ON OFF button on the wireless remote controllerto start the operation 2 Press MODE button to select the COOL HEAT Cooling only unit is not available FAN to check whether the operation is normal or not 25 Exploded Views and Parts list
32. e to the wall Air outlet side he dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures opace to the obstruction opace to the wall 50cm Above Space to the Note this drawing is only for reference please refer to the real unit 21 Installation Manual 7 3 Install Indoor Unit 7 3 1 Installation of Mounting Plate 1 Make the mounting plate completely level As the water tray s oulet of the indoor unit is two way type the indoor unit during installation should slightly slant to watert tray s outlet for smooth drainage of condensing water 2 Fix the mounting plate on the wall with screws Where is pre covered with plastic granula 3 Be sure that the mounting plate has been fixed firmly enough to withstand the weight of an adult of 60kg further more the weight should be evenly shared by each screw Mark th iddle of it Gradi WA ark on the OT N space SN tothe to the wall 9 9 wall 150m 150m above above N 35 Tent 5 5mm 5 5mm Rear piping hole 09K Unit Rear piping hole NC MancontheaniddiecFit Em a on the middle of it to the wall 150mm wali 150m to
33. en remove the front panel front panel 3 Remove front grille and right side plate Remove the screws around the front grille and then screw remove the front grille front grille Remove the screws of right side plate with rear plate of condenser and valve support and then lift the right side plate upwards to remove it 5 right side plate 51 Removal Procedure Step Procedure 4 Remove electric sub assy screw electric box cover Remove the screws fixing the electric box cover and then lift the electric box cover upwards to remove it Remove the screws fixing the electric box disconnect the connection wire of compressor with fan motor and electric box and then lift the electric box upwards to screw remove it electric box 5 Remove axial flow blade Loosen the nut to remove the nut spring washer and cushion remove the axial flow blade axial flow blade 6 Remove motor and motor support motor support Remove the screws fixing the motor and then remove the motor remove the screws fixing the motor support and then lift the motor support upwards to remove it motor 52 Removal Procedure Step Procedure 7 Remove 4 way valve assy 4 way valve Unsolder the 4 welding joints of the 4 way valve assy with the condenser the air inlet and air outlet port welding joint compressor the gas valve remove the 4 way valve assy Unsolde
34. f marks Indoor Unit Symbol Color symbol Symbol Color symbol ware BN BROWN RED BLACK YEGN YELLOW GREEN PROTECTIVE EARTH Outdoor Unit HU Q NUTALWRELNEWRE _ aw _ Ew EETNCEXPANSONVAE _ actor BN SNOVERLORDBNEROWN o EK SUCK REN 5 2 Electrical wiring Indoor Unit ROOM TUBE TEM SENSOR TEM SENSOR d DISP3 DISP4 COM INNER 2 W2 YEGN OUTDOOR UNIT SWING UD CN1 W1YEGN STEP MOTOR Schematic Diagram Outdoor Unit 0112 TUBE OUTROOM EXHUAST TEM SENSOR TEM SENSOR TEM SENSOR RT3 RT nia L2 L2 L2 W3 YEGN W10 RD of o 4 ws BU wave wi BK E 20 A A A U V W E OVERHEAT OUTTUBE OUTROOM EXHAUST lt lt COMU AP 1 ze MT RD As WIG WE W13 YEGN AC N3 AC N4 AC L3 ACL2 42 AC L4 4V AC M POWER W18 YEGN W20 06 oq C3 L Wi9BU W24RD_ 1 2 7 W22 WH FAN MOTOR These circuit diagrams are subject to change without notice please refer to the one supplied with the unit Schematic Diagram 5 3 Printed Circuit Board Indoor Unit TOP VIEW high freguency interface of health function live wire indoor fan i
35. g and heating P3 Medium cooling and heating Minimum cooling and heating 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 10 minutes under low air damper The swing will operate as the former status within 10 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start the drying function operating the drying button will stop the inner fans and close the guide louver 13 Memory function when interrupting the power supply Memory content mode swing function light set temperature and wind speed After interrupted the power supply the machine will start when recovering the power according to the memory content automatically If the last remote control command has not set the timed function the system will remember the last remote control command and operate according it If the last remote control command has set timed function and the power supply is interrupted before the timed time the system will remember the timed function of the last remote control command the timed time will recounted form power on If the last remote control command has set
36. g with care Do not damage the connection pipe Ensure that the joint nut is tightened firmly otherwise it may cause leakage 7 4 Install Outdoor Unit e 7 4 1 Electric Wiring 1 Remove the handle from the outdoor unit 2 Fasten the power supply cord and the connection cord to the retaining plate using the lock nut open the knock out holes if necessary 3 Connect the power supply cord and the connection cord to terminal 4 Fasten the power supply cord and connection cord with cord clamp 5 Install the handle cord clamp conneation cord power supply cord The screws packed with the terminal board 4 M Y M Finish NOTE Incorrect wiring may cause malfunction of spare part After the wire has been fixed ensure there is free space between the connection and fixing places on the lead wire Schematic diagram being reference only please refer to real product for authentic information 7 4 2 Air Purging and Leakage Test 1 Connect charging hose of manifold valve to charge end of low pressure valve both high low pressure valves must be tightly shut 2 Connect joint of charging hose to vacuum pump 3 Fully open the handle of Lo manifold valve 4 Open the vacuum pump for vacuumization At the beginning slightly loosen joint nut ved gauge of low press
37. he ceiling wall is strong enough to hold the unit s weight The outdoor unit should be installed in a location where air and noise emitted by the unit will not disturb the neighbors Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors The outdoor unit must be installed on stable level surface in a place where there is no accumulation of snow leaves Safety Precautions or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes typhoons or strong winds When the refrigerant touches the fire etc it was decomposed and a poisonous gas is generated Use only the specified refrigerant to charge the refrigerant circuit Do not mix it with any other refrigerant and do not allow air to remain in the circuit Air enclosed in the circuit can cause high pressure resulting in a rupture and other hazards After completing installation work make sure that refriger ant gas has not leaked The limit density is made not to be exceeded even if the refrig erant leaks by any chance Turn the power off at the main power box mains before open ing the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit bei
38. ing or button 2 seconds later it quickly change the way of change is During the initial 2 5 seconds ten numbers change in the one place of minute thenthe one place is constant ten numbers change in the tens place of minute at 2 5 seconds speed and carry During 5s blink press the Timer button the timer setting succeeds The Timer On has been set up repress the timer On button the Timer On will be canceled Before setting the Timer please adjust the Clock to the current actual time Press this button to set up swing angle which circularly changes as below 3b eed p MZ OFF lt lt gt gt This is an universal use remote controller If remote controller sends the following three kinds of status 20 the swing status of mainunit will be gt which indicates the guide louver swings upand down between that all five positions N 4 22 When the guide louver start to swing up and down if turn the Swing the air guide louver will stop at current position Pressing X FAN button in COOL DRY mode the icon is displayed and the indoor fan will continue operation for 10 minutes order to dry the indoor unit even you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode 12 Function and Control TEMP Press this button could select displaying 21 the indoor setting temperature 2 indoor ambient
39. is damaged Fault diagnosis process Turn on the unit and wait 1 minute Use voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage oltage higher than 200 Y testing circuit on Replace the control control panel 1 panel 1 N Y Measure the AC voltage between terminalL andN on wiring board XT power supply Shut down the power Voltage within and repair the power power on and If the fault is 210VAC 250VAC N supply to restore the restart the unit aliminsted Y range 210VAC 250VAC Y Shut down power and wait 20 minutes use DC voltmeter to measure the voltage on the two ends of capacitor test3 until the voltage is lower than 20V Check the connection of reactor Lin the Electrical Wiring Diagram Connect the reactor x trical Wiring Diagr tur onthe uriit am correctly If the wiring of reactor Lis normal If the fault is eliminated Y Replace the control panel AP1 N End 39 Troubleshooting 2 IPM Protection Out of step Fault Compressor Phase Overcurrent below refers to the outdoor control panel Main check points f the connection between control panel and compressor COMP is secure If loose If the connection is in correct order
40. llowed if Itota X frequency rise will not be allowed if gt Y the compressor will run at reduced frequency and if Itota Z the compressor will stop and the outdoor fan will stop with a time lag of 30s 4 Fan Mode Under the mode the indoor fan will run at preset speed and the compressor the outdoor fan the four way valve and the electric heater will stop gt Under the mode temperature can be set within a range of 16 30 5 AUTO Mode Working conditions and process of AUTO mode a When Tamb 226 the unit will run at cooling mode and the implied set temperature at this moment is 25 b When Tamb x22 C the cooling and heating unit will run at heating mode and the implied set temperature at this moment is 20 C cooling only unit will run at fan mode and the set temperature displayed is 25 c When 23 lt x25 the unit will keep the previous running mode if it is first energized it will run at fan mode d After running at auto mode the frequency of compressor in cooling operation is the same as that in cooling mode the frequency of compressor in heating operation is the same as that in heating mode 15 Function and Control 2 Protection a In cooling operation protection is the same as that under the cooling mode b heating operation protection is the same as that under the heating mode c When ambient temperature changes operation mode will be converted preferentially O
41. n gg blinks three times MODE and buttons About switch between fahrenheit and cenrigrade At unit OFF press and buttons simultaneously to switch between F and 6 2 Changing batteries and notices 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in figure 2 Take out the used batteries As show in figure Insert two new 1 5 dry batteries and pay attention to the polarity As show in figure 4 Reinstall the battery cover plate As show in figure Notes e When replacing the batteries do not use used or different types of batteries otheerwise If the remote controller will not be used for a long time please remove batteries it may cause malfunction to prevent batteries from leaking The operation should be performed in its receiving range Sketch map for replacing batteries It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the batteries out and replace them after 30 seconds If it still can t operate properly replace the batteries 13 Function and Control 6 3 Description of Each Control Operation 1 Temperature Parameters Indoor preset temperature T preset Indoor ambient temperature 2 Basic Functions Once energized in no case should the compressor be restarted within less th
42. n fault can be justified and the whole system will stop Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again Overload protection If temperature sensed by the overload sensor is over 115 the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 the overload protection will be relieved If voltage on the DC bus is below 150V or over 420V the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds When voltage on the DC bus returns to its normal value and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Faults of temperature sensors Designation of sensors Fouts The sensor is detected to be open circuited or short circuited for Indoor ambient temperature successive 20 seconds The sensor is detected to be open circuited or short circuited for Indoor tube temperature successive 20 seconds The sensor is detected to be open circuited or short circuited for Outdoor ambient temperature successive 30 seconds The sensor is detected to be open circuited or short circuited for Outdoor tube temperature successive 30 seconds and no detection is performed within 10 minutes after
43. nce started the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes D Overload protection T tube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat ex changer under heating mode 1 Cooling overload a If T tube lt 52 C the unit will return to its original operation state b If T tube 55 frequency rise is not allowed C If T tube 58 C the compressor will run at reduced frequency d If T tube 62 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube lt 52 C the unit will return to its original operation state b If T tube 55 frequency rise is not allowed C If T tube 58 C the compressor will run at reduced frequency d If T tube 62 C the compressor will stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature 98 frequency is not allowed to rise If exhaust temperature 103 C the compressor will run at reduced frequency If exhaust temperature 110 the compressor will stop If exhaust temperature lt 90 Cand the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Communication fault If the unit fails to receive correct signals for durative 3 minutes communicatio
44. nd wiring cover 5 Reinstall the front panel the hole at the back of indoor unit outdoor unit connection NOTE All wires between indoor and outdoor units must be connected by the qualified electric contractor Electric wires must be connected correctly Improper connection may cause malfunction Tighten the terminal screws tightly After tightening the screws pull the wire sligltly to confirm whether it s firm or not Make sure that the electric connections are earthed properly to prevent electric shock Make sure that the electric connections are earthed properly to prevent electric shock properly Poor installation may cause fire or electric shock connection Gas side pipe electric wire Liquid side piping 7 3 5 Installation of Indoor Unit The piping can be output from right right rear left or left rear NA ns Gas side piping N insulation 6 2 Liquid side lt Piping insulation 1 When routing the piping and wiring from the left or right side of indoor unit cut off the tailings from the chassis when necessary As shown in Fig 7 Finally wrap it 7 1 Cut off the tailings 1 when routing the wiring only Fig with tape Water drainage pipe 2 Cut off the tailings 1 and tailings 2 when routing both the wiring and piping Tailing 2 l Tailing 1 2 Take out the piping from body case wrap the piping power cords drain hose with the tape
45. ng serviced The unit must be properly earth connected N Caution Never install on the place where a combustible gas might leak The gas may ignite or explode when the gas leaks and collects in surround of the unit When the unit is installed at telecommunication centers or hospitals take a proper provision against noise When installing at a watery place provide an electric leak breaker Do not wash the unit with water Be very careful about unit transportation The unit should not be carried by only one person if it is more than 20kg It occasion ally causes the damage of the unit and health to be impaired Do not touch the heat exchanger fins with your hands Doing so may cut your hands Do not touch the compressor or refrigerant piping without wearing glove on your hands Touching directly such part can cause a burn or frostbite as it becomes high or low temperature according to the refrigerant state Do not operate the air conditioner without the air filter set place Dust may accumulate and cause a failure At emergency if you smell something burning stop opera tion and turn the power source switch off Specifications 2 Specifications GWHIZABHGDNAIB PoduiCode O O 6915050 68115000 _ Supply Cooling Capacity Win Healing Capacity Max Cooling Power Input Min Mex W S20166 1180 1000060 1180 Healing Power Input Min Mex W 88090
46. nication do not blink failure interfere connect line malfunction wrong Stop for compressor overload compressor shell over heat dob H3 blink 8 times lt gt m Pre protection lessrefrigerant capillary blocked up ambient temperature is abominable Overload protection E8 blink 6 times P heat exchanger blocked up IPM moudel over heat low voltage Stop for IPMmodule protetion H5 blink 4 times 9 silica gel The control terminal of direct current motor is not Direct current motor indoor connected tightly Fan blade rotates unsmoothly due to improper installation Motor is not installed properly fan motor does not operate and tightly Motor is damaged Controller is damaged Indoor ambient temperature terminal connect not reliable sensor malfunction temperature sensor maifunction Indoor tube temperature F2 terminal connect not reliable sensor malfunction temperature sensor maifunction Outdoor ambient temperature F3 blink 6 terminal connect not reliable sensor malfunction times temperature sensor maifunction Outdoor tube temperature FA blink 5 terminal connect not reliable sensor malfunction times temperature sensor maifunction Outdoor exhaust temperature F5 blink 7 terminal connect not reliable sensor malfunction times temperature sensor maifunction H1is not error code it is noemal Automatic defrosting blink 2 times operation Just heat pump has this fuction 1 Error codes only can be seen in the t
47. nksfor 3 times Tubetemp dropped frequency temp T tube in lt dropped frequency temp Outdoor condenser temp sensor mal Outdoor ambient temp sensor mal Outdoor exhaust temp sensor mal Starting at temp does not reach Communication is abnormal 37 Troubleshooting Analysis or processing of some of the malfunction display 1 Compressor discharge protection Possible reasons shortage of refrigerant blockage of air filter poor ventilation or air flow short pass for condenser the system has noncondensing gas such as air water etc blockage of capillary assy including filter leakage inside four way valve causes incorrect operation malfunction of compressor malfunction of protection relay malfunction of discharge sensor outdoor temperature too high Processing method refer to the malfunction analysis in the above section 2 Low voltage overcurrent protection Possi ble reason Sudden drop of supply voltage 3 Communication malfun ction Processin g method Check if communication signal cable is connected reliably 4 Sensor open or short circuit Processin g method Check whether s ensor is normal connected with the corre sponding position on the controller and if damage of lead wire is found 5 Compressor overload protection Possi ble rea sons insufficient or too much refrigrant blockage of capillary an d increas e of suction temp improper running of compressor burning in or stuck of bearing damage of
48. nterface transformer auto button Qo 5 2 5 ie JC E Vaeo JE R79 o eR 984 D Rer WAA 5 D cis a D15 jus 8 R47 3 8 C206 eg ji 5 LILI 8 02 916 R17 z 015 o 5 HEaT L T S z E Jeon Nwem 5 Nb d RE E zi at Be z COMP 27 S O C8 csl JF R131 Ee iL 019 T LE 2135913106132 22203 6208 L cio _ 218 2 2 25 99 Ru 7 M zi a 12 d F ge iE n G131 A rcm FIL T R134 n gt FLILILIL 27 NELLE R34 R132 011213145 6 7 8 8 0139 CNOTUBE GRJ820 A U2 0 010 1721 indoor ambient temperature sensor main chip indoor tube temperature sensor e BOTTOM VIEW Schematic Diagram Outdoor Unit Models GWHO9AB A3DNA1B 0 GWH12AB A3DNA1B O TOP VIEW Jumper neutral wire live wire terminal big capacitor big capacitor electric 4 way valve jumper positive pole negative pole fan terminal 4 wayvalveterminal expansion valve neutral wire terminal neutral wire brown wire blue wire earthing wire terminal jumper live wire connection terminal of big capacitor positive 5 pole and negative pole orange wire A power switch
49. or connected correctly 15 connection sequence right N Is the connection made in clockwise v direction Replace the N v control panel AP 1 Connect the Y wires correctly Replace the control panel AP1 If the fault is eliminated Y v If the fault is eliminated Replace the compressor Replace the compressor Troubleshooting 6 Overload and air exhaust malfunction diagnosis following for outdoor unit control board Mainly detect Wether the PMV is connected well or not Is PMV damaged 15 refrigerant leaked Fault diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Y v wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electroni expansion valve If the fault is eliminated N Y Replace the control panel AP1 If the fault is eliminated N Y Coolant leakage refilling the coolant 5 44 Troubleshooting 7 Power factor correct or PFC fault a fault of outdoor unit AP1 hereinafter refers to the control board of the outdoor unit Mainly detect Check if the reactor L of outdoor
50. ortant part of your job to install or service the system so it operates safely and efficiently To prevent injury to the user or other people and property damage the following instructions must be followed Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual About the pictures N Warning Erroneous handing gives a high possi bility to induce serious results such as death or heavy injury Erroneous handing may induce serious N Caution E MED injury depending on the situation N Warning All electric work must be performed by licensed technician ac cording to local regulations and the instructions given in this manual Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard There is risk of fire electric shock explosion or injury Ask your dealer or specialized subcontractor for installation or repair work e Make sure t
51. r 6 Select a place about 1m or more away from TV set or any other electric appliance 7 Select a place where the filter can be easily taken out 8 sure that the indoor unit is installed in accordance with installation dimension instructions 9 Do not use the unit in the laundry or by swimming pool etc 7 1 4 Installation Site of Outdoor Unit 1 Select a site where noise and outflow air emitted by unit will not annoy neighbors 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand the full weight and vibration 5 Select a dry place but do not expose the unit to direct sunlight or strong wind 6 Make sure that the outdoor unit is installed in accordance with the installation instructions and is convenient for maintenance and repair 7 The height difference between indoor and outdoor units is within 5 m and the length of the connecting tubing does not exceed 10 m 8 Select a place where it is out of reach of children 9 Select a place which will not block pedestrian passage and influence the city appearance 19 Installation Manual 7 1 5 Safety Precautions for Electric Appliances 1 A dedicated power supply circuit should be used in accordance with local electrical safety regulations 2 Don t drag the power cord emphatically 3 The unit should be reliably earthed and connected to the special earth devic
52. r them quickly in order to avoid burning down the leading wire of compressor Note Discharge the refrigerant completely before unsoldering the 4 way valve assy valve 8 Remove gas valve and liquid valve Remove the 2 bolts fixing the gas valve unsolder the liquid valve welding joint connecting the gas valve and the air return pipe to remove the gas valve NOTE when unsoldering wrap the gas valve with a wet cloth bolt completely to avoid damage to the valve caused by high temperature Remove the 2 bolts fixing the liquid valve unsolder the gas valve welding joint connecting the liquid valve and the Y type pipe to remove the liquid valve 9 Remove compressor Loosen the foot nuts of the compressor Note Discharge the refrigerant completely unsolder the welding joint of the compressor remove the pipelines carefully and then remove the compressor 53 5 GREE b GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add Jinji west Rd Qianshan Zhuhai Guangdong China Tel 86 756 8522219 After sale Service Dept Post code 519070
53. reduce 1 Cagain after 2 hours so it reduce 2 in 2 hours then it will run on at the setting temperature and wind speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control The Indoor Fan can be set as HIGH MED LOW by remote control and the Indoor Fan will be respectively run at high medium low speed It will also be set as AUTO and the Indoor Fan is as the followings at the automatic wind speed Cooling mode T ring T setting 2 high speed T setting 2 lt T ring lt T setting 2 medium speed T ring setting 2 low speed Sending wind mode T ring T setting 4 high speed T setting 2 lt T ring T setting 4 medium speed T ring lt T setting 2 low speed Moisture removal mode force to be set as the low speed Heating mode T ring T setting 1 high speed T setting 1 lt T ring lt T setting 5 medium speed T ring T setting 2 low speed 7 Buzzer Control The buzzer will senda Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesn t receive the remote control ON signal under the mode of heating mode 8 Auto button If the controller is on it will stop by pressing the button and if the controller is off it will be automatic running state by pressing the button swing on and light on and the main unit will run based on the remote control if there is
54. remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise close the air outlet After starting the machine if you don t set the swinging function heating mode and auto heating mode the up and down air deflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location and the swinging is effectual only on condition that setting the swinging order and the inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location Heating angle Cooling angle O 0 0 L1 W A1 L B1 A C1 B D1 C D 17 18 Function and Control 10 Display Operation pattern and mode pattern display All the display patterns will display for a time when the power on the operation indication pattern will display in red under standby status When the machine is start by remote control the indication pattern will light and display the current operation mode the mode light includes Cooling heating and dehumidify If yo
55. s Refigerant O ConectiOwerDiameerlimddPips mm 1 99 on Pipe The above data is subject to change without notice Please refer to the nameplate of the unit Constrction Views 3 Construction Views 3 1 Indoor Unit 283 12K Unit 2 0 o 0 5 2 5 J L 3 8 d 0 gt c lt gt 0 Of gt gt 0 gt gt 410 AUS yt kaaa Lama 101 605 166 JA HH HH HHHH ILI HH HH HH HH Unit mm w 590 320 4 Refrigerant System Diagram Heat Refrigerant System Diagram mm INDOOR pus cmn QS a gt Muffler 1 dum 5 a L L 2 O one 4 Way valve Strainer i Expansion valve O O T 2 Heat exchanger Strainer OUTDOOR Cooling Heating Refrigerant pipe diameter 09K Unit Liquid 1 4 6 mm Gas 3 8 9 52 mm 12K Unit Liquid 1 4 6 mm Gas 1 2 12 mm Schematic Diagram 5 Schematic Diagram 5 1 Electrical Data Meaning o
56. se by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance 7 1 2 Installation Site Instructions Proper installation site is vital for correct and efficient operation of the unit Avoid the following sites where Q strong heat sources vapours flammable gas or volatile liquids are emitted high frequency electro magnetic waves are generated by radio equipment welders and medical equipment salt laden air prevails such as close to coastal areas the air is contaminated with industrial vapours and oils the air contains sulphures gas such as in hot spring zones corrosion or poor air quality exists 7 1 3 Installation Site of Indoor Unit 1 The air inlet and outlet should be away from the obstructions Ensure the air can be blown through the whole room 2 Select a site where the condensing water can be easily drained out and where it is easily connected for outdoor unit 3 Select a place where it is out of reach of children 4 Select the place where the wall is strong enough to withstand the full weight and vibration of the unit 5 Be sure to leave enough space to allow access for routine maintenance The installation site should be 250cm or more above the floo
57. sor and the outer fan will be started the indoor fan will run under preset cold air prevention conditions and H1 will be displayed at temperature display area on the display panel Defrost frequency is 70Hz 3 Protection Cold air prevention The unit is started under heating mode the compressor is ON Din the case of T indoor amb lt 24 C if T tuse 40 C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if T tube gt 40 C the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non operation if T tube gt 42 C the fan will run at present speed 2 In the case of T indoor amb 2 24 C if T tube lt 42 C the indoor fan will run at low speed and after one minute the indoor fan will be converted to preset speed Within one minute low speed operation if T tube gt 42 C the indoor fan will be converted to preset speed Note T indoor amb indicated CDand refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared Total current up and frequency down protection If the total current lt W frequency rise will be a
58. ssor Replace the compressor When cooling or Breakage of running capacitor of heating outdoor compressor fanruns compre ssor doesn t run Replace the capacitor The voltage is too low or too high Manostat is recommended Th itself h If Use the multimeter to check whether the contact of e protector itself has malfunction the compressor is on when it is not overheated If it Connect the circuit diagram correctly is not on then replace the protector The refrigerant is not enough or is too Adjust the volume of the refrigerant much Replace the capillary The capillary is blocked and the temp erature rises The compressor is too hot and leads to the action of The compressor does not run smoothly or the protector is stuck The air discharge valve is damaged Replace the compressor The protector itself has malfunction Replace the protector The torque of the swing motor is not enough wrong connection The controller is damaged IC2003 is damaged the swing relay can not close First check whether the connection is wrong If no replace the parts etc Troubleshooting Controller malfunction 2003 broken of parallel capacitor of relay loop relay is broken etc Wire loose or wrong connection Improper setting of temperature In 2 outdo4 or unit and co will not run Drainag
59. tion They heat and break the insulation Minutes wani and lead to short circuit Or creepage Measure to ON the insulation resistance or eliminate the mal function one by one If the breaker itself has malfunction then replace the breaker Power plug is not well plugged in and poor con nection Fuse of controller burnt out The transformer connection is loose or has bad contact or the transformer has malfunction Controller is broken Remote controller is short of powe Remote controller malfunction Receiver loose or poor connection Receiver is broken Check power supply circuit Check if the plug is properly plugged in and make the loose contact firm Change controller fuse Fasten the wiring measure the output voltage of the transformer if it is incorrect change the transformer Check remote controller Change batteries First press the manual switch button AUTO if there is no response check based on the above methods If it runs normally after pressing the button check again whether the installation position and the connection wire of the reception head is correct If it is correct then replace the receiver or the remote controller Power voltage is too low Check the voltage If it is lower than 10 of the rated voltage check the cause improve the power supply condition and add the stabilized voltage power supply Troubleshooting
60. u close the light key all the display patterns will close 2 Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 30 C and indoor ambient temperature The heating and air supply temperature will display 25 under auto mode the temperature will display 18 under the heating mode and the temperature will display H1 under the defrosting mode If you set the fahrenheit temperature display the nixie light will display according to fahrenheit temperature 11 Protection function and failure display E2 Freeze proofing protection E4 Exhausting protection E5 Overcurrent protection E6 Communication failure E8 Overload protection F1 Indoor ambient sensor start and short circuit continuously measured failure in 20S F2 Indoor evaporator sensor start and short circuit continuously measured failure in 20S F3 Outdoor ambient sensor start and short circuit continuously measured failure in 30S F4 Outdoor condenser sensor start and short circuit continuously measured failure in 30S and don t measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30S after the compressor operated 3 minutes H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum coolin
61. ure valve to check if there is air coming inside noise of vacuum pump has been changed the reading of multimeter is O Then tighten the nut 5 Keep vacuuming for more than 15mins and make sure the reading of multi meter is 1 0X10 pa 76cmHg 6 Fully open high low pressure valves 7 Remove charging hose from charging end of low pressure valve 8 Tighten lid of low pressure valve As shown in Fig 10 Vacuum pump Fig 10 24 Installation Manual 7 4 3 Outdoor Condensation Drainage only for Heat pump unit During heating operation the condensing water defrostin UNA LA Cae water should be drained out reliably through the drain hose PA ERN ThE Install the outdoor drain connector in a 25 hole on the the plate attach the hose to the so that the waste water formed in the outdoor unit can be drained out The hole diameter 25 must be plugged Whether to plug other holes will be determined by the dealers Chasis according to actual conditions Outdoor drain connector 7 5 Check after Installation and Operation Test 7 5 1 Check after Installation Items to be checked Possible malfunction Has it been fixed firmly The unit may drop shake or emit noise It may cause insufficient cooling heatin Have you done the refrigerant leakag
62. ype which has the temperature display pcb maybe some type has not this function the lamps on the outdoor pcb are avaiable 2 Normally the communication between indoor unit and outdoor unit is successful the gree lamp REMARK led2 of outdoor pcb blink 1s on 1s off 3 The red and yellow lamp blink 0 5s 0 55 off between two error display cycle it will be 2s off 4 Led1 red is power lamp Led3 red blinks 8 times which means temperature be up to machine run When compressor starte Led4 yellow blinks 1 times 36 Troubleshooting If malfunction occurs corresponding code wili display and the unit will resume normal until protection malfunction disappears Yellow indicator blinks for once Compressor stars normal Yellow indicator blinks for twice Defrosting normal display of indoor unit Anti freezing protection normal Yellow indicator blinks for 3 times display of indoor unit Yellow indicator blinks for 4 times IPM protection Yellow indicator blinks for 5 times Overcurrent protection Yellow indicator blinks for 6 times Overload protection Yellow indicator blinks for 7 times Yellow indicator blinks for 8 times Overlod protection of compresoor Exhaust protection Indicator display Cooling dehumidify or heating current gt Red indicator blinks for once dropped frequency current of outdoor unit Red indicator blinks for twice Exhaust temp dropped frequency temp Red indicator bli
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