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Change for Life Service Manual 02'(/6*:+8$.'1$$, *:+8$.'1$$, *:+8%.'1$$, *:+8&.'1$$, *:+8$.'1$$,&ROG3ODVPD *:+8$.'1$$,&ROG3ODVPD *:+8%.'1$$,&ROG3ODVPD *:+8&.'1$$,&ROG3ODVPD GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI 7DEOHRI&RQWHQWV 7DEOHRI&RQWHQWV 6XPPDU\DQG)HDWXUHV 6DIHW\3UHFDXWLRQV 6SHFL¿FDWLRQV 8QLW6SHFL¿FDWLRQV 1RLVH&ULWHULD&XUYH7DEOHVIRUbRWK0RGHOV &RQVWUXFWLRQ9LHZV 5HIULJHUDQW6\VWHP'LDJUDP 6FKHPDWLF'LDJUDP (OHFWULFDO:LULQJ 3ULQWHG&LUFXLW%RDUG )XQFWLRQDQG&RQWURO 5HPRWH&RQWURO2SHUDWLRQV 'HVFULSWLRQRIeDFK&RQWURO2SHUDWLRQ ,QVWDOODWLRQ0DQXDO 1RWLFHVIRU,QVWDOODWLRQ ,QVWDOODWLRQ'UDZLQJ ,QVWDOOIQGRRUUQLW &KHFNDIWHU,QVWDOODWLRQDQG7HVW2SHUDWLRQ ,QVWDOODWLRQDQG0DLQWHQDQFHRI+HDOWK\)LOWHU 7DEOHRI&RQWHQWV ([SORGHG9LHZVDQG3DUWV/LVW 7URXEOHVKRRWLQJ 0DOIXQFWLRQ'LVSOD\RI,QGRRU8QLW +RZWRSimply &KHFN tKH0DLQ3DUW. 5HPRYDO3URFHGXUH 6XPPDU\DQG)HDWXUHV 6XPPDU\DQG)HDWXUHV ,QGRRU8QLW *:+8$.'1$$, *:+8$.'1$$, *:+8%.'1$$, *:+8&.'1$$, 5HPRWH&RQWUROOHU <$$)% 6DIHW\3UHFDXWLRQV 6DIHW\3UHFDXWLRQV Installing, starting up, and servicing air conditioner can be hazardous due to system pressure, electrical components, and equipment location, etc. Only trained, qualified installers and service personnel are allowed to install, start-up, and service this equipment. Untrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel. Make sure the outdoor unit is installed on a stable, level surface with no accumulation of snow, leaves, or trash beside. When handling the equipment, observe precautions in the manual and on tags, stickers, and labels attached to the equipment. Follow all safety codes. Wear safety glasses andwork gloves. Keep quenching cloth and fire extinguisher nearby when brazing. Follow all the installation instructions to minimize the risk of damage from earthquakes, typhoons or strong winds. Read the instructions thoroughly and follow all warnings or cautions in literature and attached to the unit. Consult local building codes and current editions of national as well as local electrical codes. Recognize the following safety information: Warning Incorrect handling could result in personal injury or death. Caution Incorrect handling may result in minor injury,or damage to product or property. Warning All electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual. Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label. Never supply power to the unit unless all wiring and tubing are completed, reconnected and checked. This system adopts highly dangerous electrical voltage. Incorrect connection or inadequate grounding can cause personal injury or death. Stick to the wiring diagram and all the instructions when wiring. Have the unit adequately grounded in accordance with local electrical codes. Have all wiring connected tightly. Loose connection may lead to overheating and a possible fire hazard. All installation or repair work shall be performed by your dealer or a specialized subcontractor as there is the risk of fire, electric shock, explosion or injury. Make sure the ceiling/wall is strong enough to bear the weight of the unit. Make sure the noise of the outdoor unit does not disturb neighbors. Avoid contact between refrigerant and fire as it generates poisonous gas. Apply specified refrigerant only. Never have it mixed with any other refrigerant. Never have air remain in the refrigerant line as it may lead to rupture and other hazards. Make sure no refrigerant gas is leaking out when installation is completed. Should there be refrigerant leakage, the density of refrigerant in the air shall in no way exceed its limited value, or it may lead to explosion. Keep your fingers and clothing away from any moving parts. Clear the site after installation. Make sure no foreign objects are left in the unit. Always ensure effective grounding for the unit. Caution Never install the unit in a place where a combustible gas might leak, or it may lead to fire or explosion. Make a proper provision against noise when the unit is installed at a telecommunication center or hospital. Provide an electric leak breaker when it is installed in a watery place. Never wash the unit with water. Handle unit transportation with care. The unit should not be carried by only one person if it is more than 20kg. Never touch the heat exchanger fins with bare hands. Never touch the compressor or refrigerant piping without wearing glove. Do not have the unit operate without air filter. Should any emergency occur, stop the unit and disconnect the power immediately. 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R Q S . 0RGHO .. . . : + ' 4 5 6 8QLWPP 5HIULJHUDQW6\VWHP'LDJUDP 5HIULJHUDQW6\VWHP'LDJUDP outdoor indoor filter A heat exchanger A3 A1 filter B heat exchanger fan A2 outdoor heat exchanger 4-way valve B3 B1 SP filter B2 high pressure switch Note: Not available for 18K model discharge silencer C heat exchanger C3 C1 filter D3 C2 D1 filter D2 gas -liquid separator inverter compressor D heat exchanger discharge temperature sensor Note: Not available for 18K model A1:A-unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve A2:A-unit gas pipe temperature sensor B2:B-unit gas pipe temperature sensor C2:C-unit gas pipe temperature sensor D2:D-unit gas pipe temperature sensor A3:A-unit liquid pipe temperature sensor B3:B-unit liquid pipe temperature sensor C3:C-unit liquid pipe temperature sensor D3:D-unit liquid pipe temperature sensor 6FKHPDWLF'LDJUDP 6FKHPDWLF'LDJUDP (OHFWULFDO:LULQJ *:+8$.'1$$,&%1*:+8$.'1$$,&%1 *:+8%.'1$$,&%1*:+8&.'1$$,&%1 ROOM TEMP. TUBE TEMP. RECEIVER AND SENSOR DISPLAY BOARD SENSOR AP2 0 DISPLAY EVAPORATOR M1 W4YEGN RT1 RT2 PE DISP2 DISP1 TUBE ROOM PG PGF AP1 PRINTED CIRCUIT BOARD N CAP K4 (K-COMP) JUMP SWING-UD1 EARTH-PLATE COM-OUT COMP AC-L YEGN L W1BU W2BK L W3BN M3 STEPPING MOTOR STEPPING MOTOR N(1) BU BK 2 3 BN TERMINAL BLOCK SWING-UD2 M2 XT OUTDOOR UNIT 0 PE FAN MOTOR 6\PERO 2* 97 :+ <( 5' <(*1 6$7 %1 %8 %. 6\PERO &RORUV\PERO 25$1*( 9,2/(7 :+,7( <(//2: 5(' <(//2:*5((1 29(5/2$' %52:1 %/8( %/$&. 3DUWVQDPH 3527(&7,9(($57+ &203 &2035(6625 *:+8$.'1$$,&%1*:+8$.'1$$,&%1 *:+8%.'1$$,&%1*:+8&.'1$$,&%1 ROOM TEMP. TUBE TEMP. RECEIVER AND SENSOR DISPLAY BOARD SENSOR AP2 0 DISPLAY EVAPORATOR M1 W4YEGN RT1 RT2 ROOM PE DISP2 DISP1 TUBE PG PGF AP1 PRINTED CIRCUIT BOARD N CAP K4 (K-COMP) JUMP SWING-UD1 SWING-UD2 M2 M3 STEPPING MOTOR STEPPING MOTOR HEALTH-L COM-OUT COMP AC-L HEALTH-N EARTH-PLATE YEGN L W1BU W2BK L W3BN XT N(1) BU BK 2 3 BN TERMINAL BLOCK OUTDOOR UNIT 0 PE FAN MOTOR RD BU COLD PLASMA GENERATOR 7KHVHFLUFXLWGLDJUDPVDUHVXEMHFWWRFKDQJHZLWKRXWQRWLFH.POHDVHUHIHUWRWKHRQHVXSSOLHGZLWKWKHXQLW 6FKHPDWLF'LDJUDP 3ULQWHG&LUFXLW%RDUG *:+8$.'1$$,*:+8$.'1$$,*:+8%.'1$$, 7239,(: 1 2 3 4 5 6 7 1HXWUDOZLUHRISRZHU FRUG -XPSHUFDS ,QWHUIDFHRIYHUWLFDO VZLQJ ,QWHUIDFHRIKRUL]RQWDO VZLQJ ,QWHUIDFHRIGLVSOD\ SDQHO ,QWHUIDFHRISLSHWHPS VHQVRU ,QWHUIDFHRIDPELHQW WHPSVHQVRU %277209,(: 6FKHPDWLF'LDJUDP *:+8&.'1$$, 7239,(: 1 3 4 5 6 7 8 9 10 11 12 2 3 13 14 2 4 15 5 16 1 6 7 8 9 10 11 12 13 14 15 16 %277209,(: Wiring terminal of live wire of power supply, connecting to live wire of power cord Wiring terminal of live wire of power supply, connecting to live wire of outdoor unit Wiring terminal of live wire of power supply Neutral wire terminal of cold plasma Neutral wire terminal for air change Live wire terminal for air change Live wire terminal of cold plasma Wiring terminal of PG motor Feedback terminal of PG motor Terminal 1 for vertical swing Terminal 2 for vertical swing Terminal for horizontal swing 7-pin wiring terminal of display Terminal of jumper cap 6-pin wiring terminal of display Wiring terminal of communication wire )XQFWLRQDQG&RQWURO )XQFWLRQDQG&RQWURO 5HPRWH&RQWURO2SHUDWLRQV 1 2 ON/OFF Press it to start or stop operation. Press it to decrease temperature setting. 3 + Press it to increase temperature setting. 1 4 Press it to select operation mode(AUTO/COOL/DRY/FAN/HEAT). 3 2 5 FAN Press it to set fan speed. 6 SWING Press it set swing angle. I FEEL 4 5 6 7 7 8 9 8 10 11 12 13 14 16 / Press it to set HEALTH or AIR function. 9 SLEEP 10 TEMP 11 QUIET Pressitto set QUIET function. 12 CLOCK Press it set clock. 13 T-ON/T-OFF Press it to set auto-off/auto-on timer. 15 1 MODE 14 TURBO 15 LIGHT Press it to turn on/off the light. 16 X-FAN ON/OFF Press this button to turn on the unit .Press this button again to turn off the unit. 2 Press this button to decrease set temperature. Holding it down above 2 seconds rapidly decreases set temperature. In AUTO mode, set temperature is not adjustable. 3 + Press this button to increase set temperature.Holding it down above 2 seconds rapidly increases set temperature. In AUTO mode, set temperature is not adjustable. )XQFWLRQDQG&RQWURO 4 MODE Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN,and HEAT *, as the following: AUTO COOL DRY FAN HEAT* *Note:Only for models with heating function. After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable. 5 FA N This button is used for setting Fan Speed in the sequence that goes from AUTO, to Auto. , , , , , to then back Auto Low speed Low-Medium speed Medium-High speed 6 Medium speed High speed SWING Press this button to set up &down swing angle, which circularly changes as below: OFF This remote controller is universal . If any command indicates the guide louver swings as: 7 , or is sent out,the unit will carry out the command as I FEEL Press this button to turn on I FEEL function. The unit automatically adjust temperature according to the sensed temperature. Press this button again to cancel I FEEL function. 8 / Press this button to achieve the on and off of healthy and scavenging functions in operation status.Press this button for the first time to start scavenging function; LCD displays“ ”. Press the button for the second time to start healthy and scavenging functions simultaneously; LCD displays“ ” and “ Press this button for the third time to quit healthy and scavenging functions simultaneously. Press the button for the fourth time to start healthy function; LCD display “ ”. Press this button again to repeat the operation above. 9 ”. SLEEP ●Press this button, can select Sleep 1 ( ), Sleep 2 ( ),Sleep 3 ( ) and cancel the Sleep,circulate between these, after electrified, Sleep Cancel is defaulted. ●Sleep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status after run for one hour, the main unit setting temperature will increase 1 ℃,setting temperature increased 2℃, the unit will run at this setting temperature; In Heat mode: sleep status after run for one hour, the setting temperature will decrease 1 ℃, 2 hours, setting temperature will decrease 2 ℃, then the unit will run at this setting temperature. ●Sleep 2 is sleep mode 2, that is air conditioner will run according to the presetting a group of sleep temperature curve. ●Sleep 3- the sleep curve setting under Sleep mode by DIY: (1) Under Sleep 3 mode, press "Turbo" button for a long time, remote control enters into user individuation sleep setting status, at this time, the time of remote control will display "1hour ", the setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink (The first entering will display according to the initial curve setting value of original factory); (2) Adjust "+" and "-" button, could change the corresponding setting temperature, after adjusted, press "Trubo "button for confirmation; (3) At this time, 1hour will be automatically increased at the timer postion on the remote control, (that are "2hours " or "3hours " or "8hours "), the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink; (4) Repeat the above step (2) ~ (3) operation, until 8hours temperature setting finished, sleep,curve setting finished, at this time, the remote control will resume the original timer display;temperature display will resume to original setting temperature. ●Sleep3- the sleep curve setting under Sleep mode by DIY could be inquired: The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, but do not change the temperature, press "Turbo" button directly for confirmation.Note: In the above presetting or enquiry procedure, if continuously within10s, there is no button pressed, the sleep curve setting within 10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying. In the presetting or enquiry procedure, press "ON/OFF" button, "Mode" button, "Timer"button or "Sleep" button, the sleep curve setting or enquiry status will quit similarly. )XQFWLRQDQG&RQWURO 10 TEMP Press this button, could select displaying the indoor setting temperature or indoor ambient temperature.When the indoor unit firstly power on it will display the setting temperature, if the temperature's displaying status is changed from other status to" ",displays the ambient temperature, 5s later or within 5s, it receives other remote control signal that will return to display the setting temperature. if the users haven't set up the temperature displaying status,that will display the setting temperature. 11 QUIET AUTO Press this button, the Quiet status is under the Auto Quiet mode (display " "signal )and Quiet mode (display " " singal) and Quiet OFF (there is no signal of " " displayed),after powered on, the Quiet OFF is defaulted. Note: the Quiet function cannot be set up in Fan and Dry mode;Under the Quiet mode (Display " " Under the Quiet mode (Display " " signal), the fan speed is not available. 12 CLOCK Press CLOCK button, blinking . Within 5 seconds,pressing +or - button adjusts the present time.Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During blinking after setting, press CLOCK button again to confirm the setting,and then will be constantly displayed. 13 T-ON/T-OFF Press T-ON button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again. After press of this button, disappears and "ON "blink s .00:00 is displayed for ON time setting. Within 5 seconds, press + or button to adjust the time value. Every press of either button changes the time setting by 1 minute. Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes. Within 5 Seconds after setting, press TIMER ON button to confirm. Press T-OFF button to initiate the auto-off timer. To cancel the auto-timer program, simply press the button again.TIMER OFF setting is the same as TIMER ON. 14 TURBO Press this button to activate / deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time. 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. 15 LIGHT Press LIGHT button to turn on the display's light and press this button again to turn off the display 's light. If the light is turned on , is displayed. If the light is turned off, disappears. 16 X-FAN Pressing X-FAN button in COOL or DRY mode,the icon is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO,FAN or HEAT mode. 17 Combination of "+" and "-" buttons: About lock Press "+ " and "-" buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, case, pressing any button, blinks three times. is displayed. In this 18 Combination of "MODE " and "-" buttons : About switch between Fahrenheit and centigrade At unit OFF, press "MODE" and " - " buttons simultaneously to switch between ℃ and ℉ . 19 Combination of " TEMP " and "CLOCK" buttons : About Energy-saving Function Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function. Nixie tube on the remote controller displays “SE”. Repeat the operation to quit the function. 20 Combination of " TEMP " and "CLOCK" buttons : About 8℃ Heating Function Press “TEMP” and “CLOCK” simultaneously in HEAT mode to start 8℃ Heating Function Nixie tube on the remote controller displays “ ” and a selected temperature of “ 8℃”. (46 ℉if Fahrenheit is adopted). Repeat the operation to quit the function. 21 About Back-lighting Function The unit lights for 4s when energizing for the first time, and 3s for later press. )XQFWLRQDQG&RQWURO Replacement of Batteries 1.Remove the battery cover plate from the rear of the remote controller. (As shown in the figure) 2.Take out the old batteries. 3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity. 4. Reinstall the battery cover plate. ★Notes: ●When replacing the batteries, do not use old or different types of batteries, ●If the remote controller will not be used for a long time, please otherwise, it may cause malfunction. remove batteries to prevent batteries from leaking. ●The operation should be performed in its receiving range. ●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 reinsert them after 30 seconds.If it still can't operate properly, replace the batteries. Sketch map for replacing batteries )XQFWLRQDQG&RQWURO 'HVFULSWLRQRIeDFK&RQWURO2SHUDWLRQ ,%DVLF2SHUDWLRQ0RGH &RRO'U\+HDW$XWR)DQ ,,%DVLF)XQFWLRQV &RROLQJ2QO\ 8QGHUWKLVPRGHIDQDQGVZLQJUXQDWSUHVHWVWDWXVWKHWHPSHUDWXUHVHWWLQJUDQJHLVć C B A indoor temperature---target temperature 8QGHUPDOIXQFWLRQIRURXWGRRUXQLWDQGSURWHFWLRQVWRSWKHLQGRRUXQLWUXQVZLWKWKHRULJLQDOVWDWXVDQGGLVSOD\PDOIXQFWLRQ 7KHLQGRRUIDQVWRSVZKHQWKHPRGHVFRQÀLFWZLWKHDFKRWKHU 'U\0RGH 8QGHUWKLVPRGHWKHLQGRRUIDQUXQVZLWKORZVSHHGDQGVZLQJUXQVDWSUHVHWVWDWXVWKHWHPSHUDWXUHVHWWLQJUDQJHLVć 8QGHUPDOIXQFWLRQIRURXWGRRUXQLWDQGSURWHFWLRQVWRSWKHLQGRRUXQLWUXQVZLWKWKHRULJLQDOVWDWXVDQGGLVSOD\PDOIXQFWLRQ +HDWLQJ0RGH 8QGHUWKLVPRGHWKHWHPSHUDWXUHVHWWLQJUDQJHLVć A target temperature---indoor temperature B C :RUNLQJFRQGLWLRQDQG3URFHVVRI+HDWLQJ :KHQWKHXQLWLV21DQGLQKHDWLQJPRGHLQGRRUIDQVWDUWVFROGDLUSUHYHQWLRQRSHUDWLRQZKHQWKHXQLWLVRIIDQGWKHLQGRRUIDQUXQQHG EHIRUHLWEORZVUHVLGXDOKHDW 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EOLQNWLPHV ) EOLQNWLPHV (Q ) EOLQNWLPHV /LPLWGHFUHDVHIUHTXHQF\GXHWRIUHH]HSURWHFWLRQ )+ EOLQNWZLFH /LPLWGHFUHDVHIUHTXHQF\GXHWRRYHUORDG /LPLWGHFUHDVHIUHTXHQF\GXHWRPRGXOHWHPSHUDWXUH ) EOLQNWLPHV (8 EOLQNWLPHV SURWHFWLRQ 2LOUHWXUQXQGHUFRROLQJ ) EOLQNWZLFH EOLQNWLPHV EOLQNWLPHV &ROGDLUSUHYHQWLRQSURWHFWLRQ ( EOLQNWLPHV )UHH]HSURWHFWLRQ ( EOLQNWZLFH 'LVSOD\XQGHUWHVWVWDWH 'XDOQL[LHWXEHGLVSOD\PLQLPXPFRROLQJKHDWLQJ3PLGGOHFRROLQJKHDWLQJ3 1RPLQDOFRROLQJKHDWLQJ±3PD[LPXPFRROLQJKHDWLQJ±3 &RUUHVSRQGLQJLQGLFDWRUODPSZLOOEHRQIRUVDQGRIIIRUV 7URXEOHVKRRWLQJ +RZWR&KHFN6LPSO\7KH0DLQ3DUW ))0DOIXQFWLRQ Start Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? yes Insert the temperature sensor tightly no no Is there short circuit due to tri-pover of the pa rts? Malfunction is eliminated. yes Make the parts upright no no Is the tem perature sensor normal according to the Resistance Table? Malfunction is eliminated. yes no Replace it with a temperature sensor of the same model yes no Malfunction is removed. Replace the controller with one of the same model yes End yes 7URXEOHVKRRWLQJ &0DOIXQFWLRQ 3RVVLEOHFDXVHV 7KHUHLVQRMXPSHUFDSRQWKHFRQWUROOHU -XPSHUFDSLVQRWLQVHUWHGSURSHUO\DQGWLJKWO\ -XPSHUFDSLVGDPDJHG &RQWUROOHULVGDPDJHG 6HHWKHÀRZFKDUWEHORZ C5 is displayed on the unit. Is there jumper cap on the controller? Yes No Install a matching jumper cap. Is the malfunction eliminated? No Is the jumper cap inserted incorrectly or improperly? No No Yes Re-insert the jumper cap Is the malfunction eliminated? Yes Replace the jumper cap Is the malfunction eliminated? Yes Yes No The mainboard is defined abnormal; replace it End 7URXEOHVKRRWLQJ +0DOIXQFWLRQ 3RVVLEOHFDXVHV )DQPRWRULVORFNHG 7KHIHHGEDFNWHUPLQDORI3*PRWRULVQRWFRQQHFWHGWLJKWO\ 7KHFRQWUROWHUPLQDORI3*PRWRULVQRWFRQQHFWHGWLJKWO\ 0RWRULVGDPDJHG 0DOIXQFWLRQRIWKHURWDWLRQVSHHGGHWHFWLRQFLUFXLWRIWKHPDLQERDUG 6HHWKHÀRZFKDUWEHORZ “H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE ENERGIZED. Does the blade rotate unsmoothly? Yes Reinstall the motor and the blade to make it rotate smoothly. Is the malfunction eliminated? No No Is the feedback terminal of PG motor loose? Yes Insert the feedback terminal tightly . Is the malfunction eliminated? No No Is the control terminal of PG motor loose? Yes Yes Insert the control terminal tightly. Yes Is the malfunction eliminated? No No Re-energize to turn on the unit; measure within 1 min after the louvers are opened whether the output voltage on the control terminal of the PG motor is over 50V? No No Mainboard malfunction; Replace it. Yes Yes Replace the fan motor. Is the malfunction eliminated? Yes End 7URXEOHVKRRWLQJ 80DOIXQFWLRQ 3RVVLEOHFDXVHV 7KH FRQWUROOHU GLDJQRVHV LQFRUUHFWO\ GXH WR LQVWDQW HQHUJL]DWLRQ DIWHU GHHQHUJL]HG ZKLOH WKH FDSDFLWRU GLVFKDUJHV VORZO\ 0DOIXQFWLRQRIWKH]HURFURVVGHWHFWLRQFLUFXLWRIWKHPDLQERDUG 6HHWKHÀRZFKDUWEHORZ “U8” is displayed on the unit. Re-energize 1 minute after de-erergization Is“U8” still displayed? No The unit returns to normal. Conclusion: U8 is displayed due to instant energization after deenergization while the capacitor discharges slowly. Yes The zero-cross detection circuit of the mainboard is defined abnormal. Replace the mainboard. M alfunction is eliminated. 7URXEOHVKRRWLQJ (0DOIXQFWLRQ ,QVSHFWLRQ &KHFNLIFRQQHFWLRQZLUHEHWZHHQLQGRRUDQGRXWGRRUXQLWVDQGZLUHLQVLGHWKHXQLWDUHFRQQHFWHGZHOO &KHFNLIPDLQERDUGRILQGRRURURXWGRRUXQLWLVGDPDJHG )ORZFKDUW Communication malfunction of some indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. Is wire connected No Connect wires according to the correctly˛ removed˛ wiring diagram No Yes De-energize the unit. Change the communication cable of indoor units. Energize the unit and wait for 3 min Does the broken-down indoor unit resume normal? No Replace the broken-down mainboard of the indoor unit End Is malfunction Yes Replace mainboard of outdoor unit Yes 7URXEOHVKRRWLQJ Communication malfunction of all indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. No Is wire connected Connect wires according to the correctly˛ wiring diagram Yes Is malfunction removed˛ No Yes De-energize the unit. Check if the connecting wire between outdoor mainbaord and filter plate is correct. Is wire connected Connect wires No according to the correctly˛ wiring diagram Yes Is malfunction removed˛ No Yes Is connecting wire Yes damaged˛ Replace the Is malfunction connecting wire removed˛ Yes No No Check if there is power input between neutral wire and live wire of outdoor unit. Is there power No input? Replace filter plate of Is malfunction outdoor unit removed˛ Yes Yes No Replace mainboard of outdoor unit Does communication resume normal˛ No Replace mainboard of indoor unit Yes End 7URXEOHVKRRWLQJ Appendix 1: Resistance Table for Indoor and Outdoor Ambient Temperature Sensors (15K) Temp. ˄ć˅ ˄kΩ˅ Resistance Temp. ˄ć˅ Resistance˄kΩ˅ ˄ć˅ Temp. ˄kΩ˅ Resistance Temp. ˄ć˅ Resistance ˄kΩ˅ -19 138.1 20 18.75 59 3.848 98 1.071 -18 128.6 21 17.93 60 3.711 99 1.039 -17 121.6 22 17.14 61 3.579 100 1.009 -16 115 23 16.39 62 3.454 101 0.98 -15 108.7 24 15.68 63 3.333 102 0.952 -14 102.9 25 15 64 3.217 103 0.925 -13 97.4 26 14.36 65 3.105 104 0.898 -12 92.22 27 13.74 66 2.998 105 0.873 -11 87.35 28 13.16 67 2.896 106 0.848 -10 82.75 29 12.6 68 2.797 107 0.825 -9 78.43 30 12.07 69 2.702 108 0.802 -8 74.35 31 11.57 70 2.611 109 0.779 -7 70.5 32 11.09 71 2.523 110 0.758 -6 66.88 33 10.63 72 2.439 111 0.737 -5 63.46 34 10.2 73 2.358 112 0.717 -4 60.23 35 9.779 74 2.28 113 0.697 -3 57.18 36 9.382 75 2.206 114 0.678 -2 54.31 37 9.003 76 2.133 115 0.66 -1 51.59 38 8.642 77 2.064 116 0.642 0 49.02 39 8.297 78 1.997 117 0.625 1 46.6 40 7.967 79 1.933 118 0.608 2 44.31 41 7.653 80 1.871 119 0.592 3 42.14 42 7.352 81 1.811 120 0.577 4 40.09 43 7.065 82 1.754 121 0.561 5 38.15 44 6.791 83 1.699 122 0.547 6 36.32 45 6.529 84 1.645 123 0.532 7 34.58 46 6.278 85 1.594 124 0.519 8 32.94 47 6.038 86 1.544 125 0.505 9 31.38 48 5.809 87 1.497 126 0.492 10 29.9 49 5.589 88 1.451 127 0.48 11 28.51 50 5.379 89 1.408 128 0.467 12 27.18 51 5.197 90 1.363 129 0.456 13 25.92 52 4.986 91 1.322 130 0.444 14 24.73 53 4.802 92 1.282 131 0.433 15 23.6 54 4.625 93 1.244 132 0.422 16 22.53 55 4.456 94 1.207 133 0.412 17 21.51 56 4.294 95 1.171 134 0.401 18 20.54 57 4.139 96 1.136 135 0.391 19 19.63 58 3.99 97 1.103 136 0.382 7URXEOHVKRRWLQJ Temp.˄ć˅ -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Resistance˄kΩ˅ 181.4 171.4 162.1 153.3 145 137.2 129.9 123 116.5 110.3 104.6 99.13 94 89.17 84.61 80.31 76.24 72.41 68.79 65.37 62.13 59.08 56.19 53.46 50.87 48.42 46.11 43.92 41.84 39.87 38.01 36.24 34.57 32.98 31.47 30.04 28.68 27.39 26.17 Appendix 2: Resistance Table for Indoor and Outdoor Tube Temperature Sensor (20K) Temp.˄ć˅ Resistance˄kΩ˅ Temp. ˄ć˅ Resistance˄kΩ˅ Temp.˄ć˅ 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 25.01 23.9 22.85 21.85 20.9 20 19.14 18.13 17.55 16.8 16.1 15.43 14.79 14.18 13.59 13.04 12.51 12 11.52 11.06 10.62 10.2 9.803 9.42 9.054 8.705 8.37 8.051 7.745 7.453 7.173 6.905 6.648 6.403 6.167 5.942 5.726 5.519 5.32 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 5.13 4.948 4.773 4.605 4.443 4.289 4.14 3.998 3.861 3.729 3.603 3.481 3.364 3.252 3.144 3.04 2.94 2.844 2.752 2.663 2.577 2.495 2.415 2.339 2.265 2.194 2.125 2.059 1.996 1.934 1.875 1.818 1.736 1.71 1.658 1.609 1.561 1.515 1.47 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 Resistance ˄kΩ˅ 1.427 1.386 1.346 1.307 1.269 1.233 1.198 1.164 1.131 1.099 1.069 1.039 1.01 0.983 0.956 0.93 0.904 0.88 0.856 0.833 0.811 0.77 0.769 0.746 0.729 0.71 0.692 0.674 0.658 0.64 0.623 0.607 0.592 0.577 0.563 0.549 0.535 0.521 0.509 7URXEOHVKRRWLQJ Temp.˄ć˅ -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 Appendix 3: Resistance Table for Outdoor Discharge Temperature Sensor (50K) Resistance Resistance˄kΩ˅ Temp.˄ć˅ ˄kΩ˅ Temp. ˄ć˅ Resistance˄kΩ˅ Temp.˄ć˅ 853.5 799.8 750 703.8 660.8 620.8 580.6 548.9 516.6 486.5 458.3 432 407.4 384.5 362.9 342.8 323.9 306.2 289.6 274 259.3 245.6 232.6 220.5 209 198.3 199.1 178.5 169.5 161 153 145.4 138.3 131.5 125.1 119.1 113.4 108 102.8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1RWH7KHLQIRUPDWLRQDERYHLVIRUUHIHUHQFHRQO\ 98 93.42 89.07 84.95 81.05 77.35 73.83 70.5 67.34 64.33 61.48 58.77 56.19 53.74 51.41 49.19 47.08 45.07 43.16 41.34 39.61 37.96 36.38 34.88 33.45 32.09 30.79 29.54 28.36 27.23 26.15 25.11 24.13 23.19 22.29 21.43 20.6 19.81 19.06 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 18.34 17.65 16.99 16.36 15.75 15.17 14.62 14.09 13.58 13.09 12.62 12.17 11.74 11.32 10.93 10.54 10.18 9.827 9.489 9.165 8.854 8.555 8.268 7.991 7.726 7.47 7.224 6.998 6.761 6.542 6.331 6.129 5.933 5.746 5.565 5.39 5.222 5.06 4.904 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 Resistance˄kΩ˅ 4.754 4.609 4.469 4.334 4.204 4.079 3.958 3.841 3.728 3.619 3.514 3.413 3.315 3.22 3.129 3.04 2.955 2.872 2.792 2.715 2.64 2.568 2.498 2.431 2.365 2.302 2.241 2.182 2.124 2.069 2.015 1.963 1.912 1.863 1.816 1.77 1.725 1.682 1.64 5HPRYDO3URFHGXUH 5HPRYDO3URFHGXUH Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 7DNH*:+8&''1$$,IRUH[DPSOH 3URFHGXUH 6WHSV %HIRUHGLVDVVHPEO\ 5HPRYH¿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OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: [email protected] www.gree.com For continuous improvement in the products, Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations.