Haier YR-HD Service Manual Download Page 78 | Manualshive

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System configuration

Domestic air conditioner

Outdoor Unit

Loading of the battery

1

2

3

Parts and Functions

Indoor Unit

OUTLET

INLET

CONNECTING PIPING AND ELECTRICAL WIRING

DRAIN HOSE

Remote controller

Remove the battery cover;

Load the batteries as illustrated.

2 R-03 batteries, resetting key

(cylinder);

Be sure that the loading

is in line with th

e" + "/"-";

Load the battery,then put on the cover again.

The distance between the signal transmission head and the rece-
iver hole should be within 7m without any obstacle as well.

When electronic-started type fluorescent lamp or change- over

wireless telephone is installed in the

ver is apt to be disturbed in receiving the signals,

so the distance to the indoor unit should be shorter.

type fluorescent lamp or
room, the recei

Note:

Full display or unclear display during operation indicates the

ries have been used up. Please change batteries.

If the remote controller can't run normally during operation, please

reload several minutes later.

batte

remove the batteries and

Please be subject to the actual produce purchased the

above picture is just from your reference

4

Hint:
Remove the batteries in case won't be in use for a long period. If
there is any display after taking-out, just press reset key.

Actual inlet grille may vary from the one shown in the
manual according to the product purchased

1. Mode display

2. Signal sending display

4. FAN SPEED display

5. LOCK display
6. TIMER OFF display

TIMER ON display

LO

MED

HI

7.TEMP display

16. LOCK button

Used to lock buttons and LCD display.

25. RESET button

When the remote controller
appears abnormal, use a sharp
pointed article to press this button
to reset the remote

22. HOUR button

Operation mode

AUTO

FAN

COOL

DRY

Remote controller

HEAT

1

2

3

4

5

9

10

11

12

13

14

15

16

17

22

23

24

25

19

20

21

8

18

7

6

Control the lightening and extinguishing
of the indoor LED display board.

3. SWING display

8.

9. QUIET button
10. HEAT button
11. COOL button
12. AUTO button
13. FAN button
14. TIMER button
15. HEALTH button

17. LIGHT button

18. POWER ON/OFF button
19. DRY button
20. TEMP button
21. SWING button

23. EXTRA FUNCTION button

24.CANCEL/CONFIRM button

AUTO

Function: Setting and cancel to the
timer and other additional functions.

Display
circulated

Operation mode

Remote controller

QUITE

POWER

SLEEP

Supplemented
electrical
heating

HEALTH

Additional functions display

Healthy function is not available for some units.

Function: Air sending--- Healthy
airflow position1--- Healthy airflow
position 2 --- Restore the original
flap position --- Right & left air airflow
--- A-B yard---10 and heating symbol
displayed simultaneously--- Sleeping
--- Electrical heating--- Refresh air
(reserved function) --- Power ---
Fahrenheit/Celsius mode conversion

Display board

(adjust left and

ow)

Vertical blade

r ight air fl

Air Purifying Filter

Inlet

(inside)

Emergency

Switch

Horizontal flap

(adjust up and down air flow
Don't adjust it manually)

Outlet

Inlet grille

6

5

2

1

4

3

6

4

2

1

5

3

(inside)

7

8

Anion generator

Display board

1

4

2

3

1

5

Operation mode indicator

(lights up when the compressor is on.)

Timer mode indicator

(Lights up whenTimer operation is selected.)

Power indicator

(Lights up when unit starts.)

Ambient temp display

When receiving the remote control signal, display the set temperature.

Remote signal receiver

(A beeping sound is generated when a signal from remote controller isreceived.)

2

3

4

5

302

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Summary of Contents for YR-HD

Page 1: ...Super Match SYJS 11 2015REV D Edition 2015 11 3U19FS2ERA 3U24GS2ERA 4U30HS2ERA 5U34HS2ERA ...

Page 2: ... airflow upwards and downwards sending function sleep function air refresh reserved function Fahrenheit Celsius conversion Power setting function Function Setting and cancel to the timer and other additional functions Display circulated On the remote control do not have the functions of HEALTH Operation mode Remote controller QUITE POWER Supplemented SLEEP electrical heating HEALTH TEMP display Ad...

Page 3: ...r your sleep 1 hours after SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 rises O C by 1 futher The unit will run for further 3 hours then stops Temp is lower than temp setting so that room temperature won t be too high for your sleep The unit operaters in corresponding sleep mode adapted to the automatically selected operation mode O C futher...

Page 4: ...efrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging IMPORTANT INFORMATION REGA RDING THE REFRIGERANT USED In accordance with the directive 2002 96 CE of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products conditioning system treatment of the refrigerant of oil and of other part must be done...

Page 5: ...nd swing display Air change display Centralized display Running display Standby display Demand display Show timing operation content When forced to run DEMAND will be displayed or show HH LL in the temperature zone When controlled by centralized controller and chosen by centralize or lock mode this information is shown When the compressor runs it displays When the unit is on power and in abnormity...

Page 6: ... air change automatic air change RECOVERY air change NORMAL ON OFF switch Do on and off function The unit is on when pressing it and is off when pressing it again Reset key When in abnormal state push the reset key with a spike which may return the unit to normal Clock timing and address setting Health switch Used to control oxygen function and negative ion Timing switch It is used for choosing ti...

Page 7: ...N OFF switch off The light on the line controller is off 4 Press FAN SPEED switch FAN ONLY Operation Press FAN SPEED switch to change to HIGH MED LOW HIGH In AUTO COOL DRY HEAT Operation Press FAN SPEED switch to change to AUTO HIGH MED LOW AUTO Note Several seconds after the operation of the line controller the setting of the unit will change Remarks Avoid pressing ON OFF switch frequently Do not...

Page 8: ...decreases a minute each time you press switch If not in timing the screen displays the real time If in timing the screen displays the timing time If you want to know the real time go to the first step Setting of power failure compensation function When SW1 6 on PCB of wire controller is OFF it will be in power failure compensation If the SW1 6 is ON it has no compensation function When the power i...

Page 9: ...time you press switch The setting time decreases ten minutes each time you press switch When setting timing ON and timing OFF at the same time press timing switch to change the setting item If you want to change the timing mode to normal operation press timing until there is no timing display When the timing is invalid the mode is in normal operation parts of wired controller explanation Cancel ti...

Page 10: ...he function switches ON OFF 1 Switches or jumper wire must be adjusted when the wire controller is powered off If the wire controller is powered on the above operations will be invalid 2 Function difference between master wire controller and slave one Slave wire controller All of functions Function Master wire controller Contrastive items Only with below functions ON OFF MODE FAN SPEED SET TEMP SW...

Page 11: ...troller And be earthed on one side or the unit will not work normally because of interference Note Try a wall as flat as possible for installation Don t use excessive force to tighten screws otherwise the holder will be damaged Note Confirm the terminal connection firmly and do not get in tough with shielded wire Don t touch the PC panel with your hands 4 Place wire controller on the holder and pa...

Page 12: ...r one the other is called slave one Master wire controller and indoor unit master and slave wire controllers are all connected through 3 pieces of polar wire 6 Communication wiring The wire controller is equipped with special communication wiring in the accessories 3 core terminal 1 white 2 yellow 3 red is connected with the terminal A B C of wire controller respectively The communication wiring i...

Page 13: ...Super Match Read this manual before installation and operation Make sure that it is well kept for later reference YR E16 146 ...

Page 14: ...t key In the main menu interface press this key to initiate the intelligent work mode excluding single cold mode and single heat mode and when there is no intelligent mode for indoor DIP switch setting Down direction key It provides temperature drop function in the mode switching interface if this key is pressed in the menu interface the cursor moves downward It reduces the numerical value when ad...

Page 15: ...cters input key refering to the prompting character above the key Main interface display Online units display area It displays the number of the units controlled by one wired controller Special function fault icon display area Such as weekly timer Swing sleep children lock force air exchange and energy conservation each icon corresponds to a function if a fault appears the fault icon is displayed ...

Page 16: ...tion Date and time display area Status indication area Indication of the master slave unit of the wired controller filter screen cleaning prompt defrosting status indication forced defrosting issuance prompt operation standby status indication Swing Dynamic display during setting of swing single swing or both swings or no swing depending on the set air direction Right function key function prompt ...

Page 17: ... air Weak air 2 Press the left right key to set air speed Strong air Moderate air Weak air Automatic i e automatic cyclic display in weak moderate strong weak air 3 In the fan mode automatic air is unavailable The other displays are the same with the above 4 For some models the right function key is the air speed key i e the bottom right corner of the interface displays speed so air speed is adjus...

Page 18: ...ightward to select the circle below use the right function key as an Enter key to confirm or cancel the setting represents setting valid and represents setting invalid E If is present in a timing item containing week this means the corresponding timing information is valid 4 Deletion of timing information If in a Weekly timer interface the cursor is at press the leftward rightward key to select th...

Page 19: ...order Current clock setting 1 Proceed through main interface Menu Time Enter key to enter which is shown in Figure 6 2 Default setting starts with the Year value press the Rightward key to select Year Month Day Hou r Minute Week or press the Leftward key to select Week Minute Hour Day Month Ye ar 3 When the time to be changed has been selected press the Upward key or Downward key to adjust the tim...

Page 20: ... intended for changing only the password of a common user C Press the Leftward key and Rightward key to select in the line of numbers press the Input key to fix the selected numbers in the password box When password entry is completed press the right key to proceed with Next step If the original password is input incorrectly a window prompting Wrong password will pop out as shown in Figure 9 Press...

Page 21: ...estoration of the initial password B This operation here is used for restoring only the password of a common user Fault code query Proceed through main interface Menu Other enter password press Enter key Error code enter 14 The password entry interface is shown in Figure 13 and the entry method is the same as password setting 1 Use the Leftward key and Rightward key to check the fault codes inside...

Page 22: ... is selected when setting the swing function only the left right air deflector will swing if only the up down direction is selected when setting the swing function only the up down air deflector will swing if both the left right direction and up down direction are selected both the left right air deflector and up down air deflector will swing for different models some units have only the left righ...

Page 23: ...n off 3 The selected time 0 5 1 1 5 2 2 5 and 3 mean that the wired controller will shut down in 0 5 1 1 5 2 2 5 3 hours from time setting 4 If the sleep mode has been set the main interface will have the sleep icon 5 Prior to setting of sleep mode please make the time setting so that the time can be consistent with the current actual time 6 The slave unit of the wired controller has no setting of...

Page 24: ...re 19 has popped out the communication unit number of this controller can be set communication addresses between the outdoor unit and indoor unit 1 64 use the leftward and rightward keys to adjust the unit digits and tens digits and use the upward and downward keys to adjust the values on the corresponding digits then press Enter or Cancel to return to the interface as shown in Figure 18 5 The con...

Page 25: ...t will change to which indicates selected 4 When Off is selected temperature setting is not constrained by energy conservation setting The range of temperature adjustment is 16 to 30 if On is selected temperature setting is constrained with energy conservation setting 5 When it has been adjusted to the values corresponding to Upper limit or Lower limit using leftward and rightward keys an underlin...

Page 26: ...en lock is on it automatically returns to the main interface and all the keys are unusable The main interface displays the icon for children lock keep both the leftward and rightward keys pressed down for 5 seconds and the children lock icon will disappear and now the children lock is disengaged and all the keys are usable 7 O D defrost is effective in the heating mode The O D defrost command is s...

Page 27: ...ng Return original value is retained Additional functions 1 Special set is only effective to some types with order ineffective if no such function equipped in the corresponding indoor units 2 When powered on the default static pressure grade is 1 and no rated value displayed when communication stabilized about 3 minutes later static pressure and rated state can be checked 3 Press up down key to sw...

Page 28: ... the high class user password Status set press Enter to initiate 2 Use the upward downward leftward and rightward keys to adjust the cursor the location where the cursor stays has the circle flickering press Enter key to change it to and the setting is completed indicates Selected and indicates Unselected 3 Auto recovery if this function is on the state before power failure will be in the memory a...

Page 29: ...screen saver and recover the pre existing luminance The handling of Centralization Lock mode If central controller is connected in the AC system 1 If there displays the icon of in the main interface the centralization mode is activated in the central controller in which only startup shutdown keys can be operated and other keys are inoperable If there is no operation for one continuous minute the s...

Page 30: ...ers control one indoor unit The wire controller connected with indoor unit is called master one the other is called slave one Master wire controller and indoor unit master and slave wire controllers are all Note For some slim duct type and middle ESP duct type The PCB spare part number of which is 0151800175 or 0151800173 there will be a different wiring method please refer to the service manul to...

Page 31: ...he back cover of the wired controller at the place No 1 3 Mounted the back cover on the concealed box by screws 4 Plug the terminals of the communication cables on the corresponding connectors and slide the front cover of the wirde controller from up to down then fixed 5 White wire connected to indoor A Yellow wire connected to indoor B Red wire connected to indoor C 164 ...

Page 32: ...dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2013 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized copyi...

Page 33: ...Specifications Domestic air conditioner 2 Features Semi adjust the operation automatically according to surrounding temprerature 173 ...

Page 34: ...ce to the indoor unit should be shorter Full display or unclear display during operation indicates the batteries have been used up Please change batteries If the remote controller can t run normally during operation please remove the batteries and reload several minutes later EMERGENCY SWITCH ON OFF button EMERGENCY SWITCH 1 Mode display 2 Signal sending display 4 FAN SPEED display 5 LOCK display ...

Page 35: ... test operation Pi Pi At times other than below Normal time Test operation switch is the same as emergency switch In DRY mode when room temperature becomes lower than temp setting 2 C unit will run intermittently at LOW speed o regardless of FAN setting Under the mode of auto operation air conditioner will automatically select Cool or Heat operation according to room temperature When FAN is set to...

Page 36: ...the flap by hand Confirming your setting After setting correct time press button to confirm or on the remote controller stops flashing Time displayed Unit starts or stops at x hour Hints After replacing batteries or a power failure happens time setting should be reset Remote controller possesses memory function when use TIMER mode next time just press button after mode selecting if time setting is...

Page 37: ...ous temperature distribution Long period QUIET operation will cause effect of not too cool or not too warm Press QUIET button the remote controller will show and then achieve to the quiet function Press again this QUIET button the quiet function will be cancelled Press button to enter additional options when cycle display to will flash and then press enter to power function When cancel the functio...

Page 38: ...isturbed ƽ Place possible to drain easily where piping can be connected with the outdoor unit ƽ Place where cold air can be spread in a room entirely ƽ Place nearby a power receptacle with enough space around ƽ Place where the distance of more than lm from televisions radios wireless apparatuses and Àuorescent lamps can be left ƽ In the case of xing the remote controller on a wall place where the ...

Page 39: ...ction of wall hole Piping hole pipe G Fixing the indoor unit body Connecting the indoor outdoor Electric Cable Removing the wiring cover 2 Installation of the Indoor Unit Removal of Front Grille Hold the front panel by the tabs on the both sides and lift it until it stops with a click ƽ ƽ Loosen the marked five screws and open the grille Fix with adhesive tape Lid for left piping Heat insulation m...

Page 40: ...A Conventional Àare tool Clutch type clutch type Rigid type Wing nut type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage breaker Lean Damage of Àare Partial Too outside Correct Incorrect 6 On Drainage It becomes high midway The gap with the ground is too small There is the bad smell from a ditch It waves The end is imm ersed in water Please install the drain hose so as to be downward slop...

Page 41: ...se a vacuum cleaner to remove dust or wash the filter with water After washing dry the filter completely in the shade Attach the filter correctly so that the FRONT indication is facing to the front Make sure that the filter is completely fixed behind the stopper If the right and left filters are not attached correctly that may cause defects Do not use the following for cleaning Once every two week...

Page 42: ...N PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas appliance is running at the same time PR...

Page 43: ...uct or cover the ventilation conditoner Do not put fingers inlet outlet and swing louver The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation 11 The power plug and connecting cable acquired the local 2 If the power supply cord is damaged it must be replaced manufacturer qualified person 4 The wiring method shou...

Page 44: ...Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 253 720 640 Indoor 720 305 640 315 253 120 202 ...

Page 45: ...A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to check the opening and closing operation of the electroni...

Page 46: ...ommunication fault between the IPM and outdoor PCB Page46 F19 6 Power voltage is too high or low Page47 F27 7 Compressor is lock rotor or stopped momentary Page51 F4 8 Overheat protection for Discharge temperature Page48 2 4 e g a P t l u a f r o t o m n a f C D r o o d t u O 9 8 F F21 10 Defrost temperature sensor failure Page39 F7 11 Suction temperature sensor failure Page39 F6 12 Ambient temper...

Page 47: ...dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2013 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized copyi...

Page 48: ...et speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 Automatic When Tr Ts 3 high speed When Ts 1 Tr Ts 3 medium speed When Tr Ts 1 low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at...

Page 49: ...de obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or dehumidifying When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 seconds the compresso...

Page 50: ...pressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan will stop and the indoor temperature display won t change At the time any indoor coil malfunctions will be neglected When the outdoor defrosting finishes the coil malfun...

Page 51: ...ting the timing indicator will be lightened Also the light will be turning off after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoor system is under the waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts sinc...

Page 52: ...operation the press on the urgency key will stop it Under the system off mode the display screen will show automatic running sign Under the system off mode the system will not receive the remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you pre...

Page 53: ...The remote control only receives the signals for stop According to the signals the malfunction resume presentation finishes The resume restores after the power supply restores 7 1 15 abnormality confirmation approaches 1 indoor temperature sensor abnormali t y under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality ...

Page 54: ...he indoor system Quitting conditions Press dormant button 10 times within 7 seconds and the buzzer will ring twice 7 1 18 Fixed frequency operation 1 Fixed cooling a under G code condition high speed cooling set 16 press temperature key and the set key at the same time The system will enter the fixed frequency operation after the buzzer rings twice b The proceeding programs are as the follows Ente...

Page 55: ...ration frequency scope of compressor Mode Minimun operation frequency Maximun operation frequency z H 6 9 z H 4 3 g n i t a e H z H 2 7 z H 4 3 n o i t a r e g i r f e R 7 2 1 2 The starting of compressor When the compressor is started for the first time it must be kept under the conditions of 58Hz 88Hz for one minute the overheating protection of the outdoor unit air blowing temperature immediate...

Page 56: ...ce to the indoor unit should be shorter Full display or unclear display during operation indicates the batteries have been used up Please change batteries If the remote controller can t run normally during operation please remove the batteries and reload several minutes later EMERGENCY SWITCH ON OFF button EMERGENCY SWITCH 1 Mode display 2 Signal sending display 4 FAN SPEED display 5 LOCK display ...

Page 57: ... test operation Pi Pi At times other than below Normal time Test operation switch is the same as emergency switch In DRY mode when room temperature becomes lower than temp setting 2 C unit will run intermittently at LOW speed o regardless of FAN setting Under the mode of auto operation air conditioner will automatically select Cool or Heat operation according to room temperature When FAN is set to...

Page 58: ...the flap by hand Confirming your setting After setting correct time press button to confirm or on the remote controller stops flashing Time displayed Unit starts or stops at x hour Hints After replacing batteries or a power failure happens time setting should be reset Remote controller possesses memory function when use TIMER mode next time just press button after mode selecting if time setting is...

Page 59: ...ous temperature distribution Long period QUIET operation will cause effect of not too cool or not too warm Press QUIET button the remote controller will show and then achieve to the quiet function Press again this QUIET button the quiet function will be cancelled Press button to enter additional options when cycle display to will flash and then press enter to power function When cancel the functio...

Page 60: ...isturbed ƽ Place possible to drain easily where piping can be connected with the outdoor unit ƽ Place where cold air can be spread in a room entirely ƽ Place nearby a power receptacle with enough space around ƽ Place where the distance of more than lm from televisions radios wireless apparatuses and Àuorescent lamps can be left ƽ In the case of xing the remote controller on a wall place where the ...

Page 61: ...ction of wall hole Piping hole pipe G Fixing the indoor unit body Connecting the indoor outdoor Electric Cable Removing the wiring cover 2 Installation of the Indoor Unit Removal of Front Grille Hold the front panel by the tabs on the both sides and lift it until it stops with a click ƽ ƽ Loosen the marked five screws and open the grille Fix with adhesive tape Lid for left piping Heat insulation m...

Page 62: ...A Conventional Àare tool Clutch type clutch type Rigid type Wing nut type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage breaker Lean Damage of Àare Partial Too outside Correct Incorrect 6 On Drainage It becomes high midway The gap with the ground is too small There is the bad smell from a ditch It waves The end is imm ersed in water Please install the drain hose so as to be downward slop...

Page 63: ...se a vacuum cleaner to remove dust or wash the filter with water After washing dry the filter completely in the shade Attach the filter correctly so that the FRONT indication is facing to the front Make sure that the filter is completely fixed behind the stopper If the right and left filters are not attached correctly that may cause defects Do not use the following for cleaning Once every two week...

Page 64: ...N PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas appliance is running at the same time PR...

Page 65: ...uct or cover the ventilation conditoner Do not put fingers inlet outlet and swing louver The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation 11 The power plug and connecting cable acquired the local 2 If the power supply cord is damaged it must be replaced manufacturer qualified person 4 The wiring method shou...

Page 66: ...Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 253 720 640 Indoor 720 305 640 315 253 120 257 ...

Page 67: ...A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to check the opening and closing operation of the electroni...

Page 68: ...ommunication fault between the IPM and outdoor PCB Page46 F19 6 Power voltage is too high or low Page47 F27 7 Compressor is lock rotor or stopped momentary Page51 F4 8 Overheat protection for Discharge temperature Page48 2 4 e g a P t l u a f r o t o m n a f C D r o o d t u O 9 8 F F21 10 Defrost temperature sensor failure Page39 F7 11 Suction temperature sensor failure Page39 F6 12 Ambient temper...

Page 69: ...dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2013 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized copyi...

Page 70: ... more comfortable level when you set the sleep mode during night sleep Super match One outdoor unit can match two or more indoor unit DIY auto mode Adjust the last fixed operation mode automatically Turbo mode Quick cooling or heating Auto restart Automatic return to previous operation conditions after sudden power blackout 24 hours timer Use the timer function to set on or off or from on to off o...

Page 71: ...pened the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1ć Automatic When Tr Ts 3ć high speed When Ts 1ć Tr Ts 3ć medium speed When Tr Ts 1ć low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the ...

Page 72: ...r is off or Tr Ts 3ć the manual operation can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or dehumidifying When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has ...

Page 73: ...or stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan will stop and the indoor temperature display won t change At the time any indoor coil malfunctions will be neglected When the outdoor defrosting finishes the coil malfunction...

Page 74: ...ill be lightened and the indoor system is under the waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing signal 2 system off timing When the system is turned on the timing indicator is lightened the rest of the system will operated under a normal condition When...

Page 75: ...s than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn t work the indoor fan and the indoor air direction board motor works synchronically High speed airflow cooling outdoor system on etc will send the ambient temperatu...

Page 76: ...e the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 2 indoor heat interaction sensor abnormality Under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 3 ...

Page 77: ...door system at high speed mode the location of the airflow direction board can be switched to the maximal position c Quitting condition The fixed frequency cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a under G code condition high speed heating set 30ć press temperature key and the set key at the same time The system w...

Page 78: ...ler appears abnormal use a sharp pointed article to press this button to reset the remote 22 HOUR button Operation mode AUTO FAN COOL DRY Remote controller HEAT 1 2 3 4 5 9 10 11 12 13 14 15 16 17 22 23 24 25 19 20 21 8 18 7 6 Control the lightening and extinguishing of the indoor LED display board 3 SWING display 8 9 QUIET button 10 HEAT button 11 COOL button 12 AUTO button 13 FAN button 14 TIMER...

Page 79: ...idity is high condensate water might occur adjusted to left or right It is advisable not to keep horizontal flap at downward position for a long time in COOLor DRY mode other wise condensate water might occur at air outlet if all vertical louvers are will automatically memorize the previous set swing position Note When restart after remote turning off the remote controller 1 Status display of air ...

Page 80: ...3 hrs Rises 1O C Rises 1O C Rises 1O C Temp setting Temp setting Unit stop Unit stop In COOL DRY mode In HEAT mode Decreases 2O C Decreases 2O C 1 hr 2 3 In HEAT mode In AUTO mode 4 In FAN mode It has no SLEEP function Note When TIMER function is set the sleeping function can t be set up After the sleeping function is set up TIMER function the sleeping function will be cancelled the machine will b...

Page 81: ...2 19 EU of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legislation Air conditioners must be treated at a specialized treatment facility for reuse recyclin...

Page 82: ...ous stains use a neutral detergent diluted with water Wring the water out of the cloth before wiping then wipe off the detergent completely Indoor Body Once every two weeks 1 Open the lnlet Grille 2 Detach the standard air filter 3 Attach Air Purifying Filter 4 Attach the standard air filter Necessary installation 5 Close the Inlet Grille Close the Grille surely Slide the knob slightly upward to r...

Page 83: ...ry to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas appliance is running at the same time PROHIBITION STRICT ENFORCEMENT Do not operate the switch with wet hand PROHIBITION PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not install the unit near a firepla...

Page 84: ... indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation The power plug and connecting cable acquired the local 2 If the power supply cord is damaged it must be replaced manufacturer qualified person 4 ...

Page 85: ... Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 309 ...

Page 86: ... Check the power supply Check to make sure that the rated voltage is supplied Check the indoor PCB Check to make sure that the indoor PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve ...

Page 87: ...mmunication fault between the IPM and outdoor PCB Page43 F19 6 Power voltage is too high or low Page48 F27 7 Compressor is lock rotor or stopped momentary Page49 F4 8 Overheat protection for Discharge temperature Page44 0 4 e g a P t l u a f r o t o m n a f C D r o o d t u O 9 8 F F21 10 Defrost temperature sensor failure Page36 F7 11 Suction temperature sensor failure Page36 F6 12 Ambient tempera...

Page 88: ...potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2014 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthor...

Page 89: ...re comfortable level when you set the sleep mode during night sleep Super match One outdoor unit can match two or more indoor unit DIY auto mode Adjust the last fixed operation mode automatically Turbo mode Quick cooling or heating Auto restart Automatic return to previous operation conditions after sudden power blackout 24 hours timer Use the timer function to set on or off or from on to off or f...

Page 90: ...ed the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 Automatic When Tr Ts 3 high speed When Ts 1 Tr Ts 3 medium speed When Tr Ts 1 low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the speed sh...

Page 91: ...peration can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 se...

Page 92: ...ignals to the outdoor system Residue heat sending The indoor fan will send the residue heat at a low speed for 12 seconds If other conditions are satisfied when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan w...

Page 93: ...ff after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoor system is under the waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing signal 2 system off timing When the syste...

Page 94: ...he remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn...

Page 95: ...ty confirmation approaches 1 indoor temperature sensor abnormality Under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 2 indoor heat interaction sensor abnormality Under the operation the normal temperature ranges f...

Page 96: ...ion 1 and send the cooling signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow direction board can be switched to the maximal position c Quitting condition The fixed frequency cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a under G code condition high speed...

Page 97: ... OFF button 21 TEMP button 22 TIMER OFF ON 23 1 Mode display Operation mode AUTO FAN COOL DRY Remote controller 2 Signal sending display 4 FAN SPEED display 5 LOCK display 6 TIMER OFF display TIMER ON display 7 TEMP display 3 SWING display LO MED HI AUTO Display circulated 8 Additional functions display Operation mode Remote controller QUIET TURBO SLEEP Supplemented electrical heating HEALTH 9 TUR...

Page 98: ...e controller displays as follows remote controller For each press of button remote controller displays as follows remote controller Cautions Initial state Pos 2 No initial state disaplayed on remote controller the vertical flap will be fixed on the current position Remote controller Press button Every time the button is pressed temp setting increase 1o C if kept depressed it will increase rapidly ...

Page 99: ...ours temp risesby 1 futher The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your sleep O C 1O C Press button the remote controller will show and then achieve to the sleep function Press again this button the sleep function will be cancelled O Note When TIMER function is set the sleeping function can t be set up After th...

Page 100: ...can be achieved TIME OFF TIME ON TIME OFF TIME ON Loading of the battery 1 2 3 4 Remove the battery cover Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Be sure that the loading is in line with the Load the battery then put on the cover again The distance between the signal transmission head and the rece iver hole should be within 7m without any obstacle as well When ele...

Page 101: ...ft and dry cloth For serious stains use a neutral detergent diluted with water Wring the water out of the cloth before wiping then wipe off the detergent completely Indoor Body Once every two weeks 1 Open the lnlet Grille 2 Detach the standard air filter 3 Attach Air Purifying Filter 4 Attach the standard air filter Necessary installation 5 Close the Inlet Grille Close the Grille surely Slide the ...

Page 102: ...ICT ENFORCEMENT PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas ap...

Page 103: ...mmediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation 2 If the power supply cord is damaged it must be replaced manufacturer qualified person ...

Page 104: ...Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 900 900 210 310 307 5 310 130 210 102 unit mm unit mm 120 120 240 361 ...

Page 105: ...PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among ro...

Page 106: ...3 Overcurrent protection of AC electricity for the outdoor model Page F3 4 Communication fault between the IPM and outdoor PCB Page F19 6 Power voltage is too high or low Page F4 8 Overheat protection for Discharge temperature Page F8 9 Outdoor DC fan motor fault F21 10 Defrost temperature sensor failure Page F7 11 Suction temperature sensor failure Page F6 12 Ambient temperature sensor failure Pa...

Page 107: ...potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2014 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthor...

Page 108: ...ed the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 Automatic When Tr Ts 3 high speed When Ts 1 Tr Ts 3 medium speed When Tr Ts 1 low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the speed sh...

Page 109: ...peration can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 se...

Page 110: ...ignals to the outdoor system Residue heat sending The indoor fan will send the residue heat at a low speed for 12 seconds If other conditions are satisfied when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan w...

Page 111: ...ff after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoor system is under the waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing signal 2 system off timing When the syste...

Page 112: ...he remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn...

Page 113: ...ty confirmation approaches 1 indoor temperature sensor abnormality Under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 2 indoor heat interaction sensor abnormality Under the operation the normal temperature ranges f...

Page 114: ...ion 1 and send the cooling signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow direction board can be switched to the maximal position c Quitting condition The fixed frequency cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a under G code condition high speed...

Page 115: ... OFF button 21 TEMP button 22 TIMER OFF ON 23 1 Mode display Operation mode AUTO FAN COOL DRY Remote controller 2 Signal sending display 4 FAN SPEED display 5 LOCK display 6 TIMER OFF display TIMER ON display 7 TEMP display 3 SWING display LO MED HI AUTO Display circulated 8 Additional functions display Operation mode Remote controller QUIET TURBO SLEEP Supplemented electrical heating HEALTH 9 TUR...

Page 116: ...e controller displays as follows remote controller For each press of button remote controller displays as follows remote controller Cautions Initial state Pos 2 No initial state disaplayed on remote controller the vertical flap will be fixed on the current position Remote controller Press button Every time the button is pressed temp setting increase 1o C if kept depressed it will increase rapidly ...

Page 117: ...ours temp risesby 1 futher The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your sleep O C 1O C Press button the remote controller will show and then achieve to the sleep function Press again this button the sleep function will be cancelled O Note When TIMER function is set the sleeping function can t be set up After th...

Page 118: ...can be achieved TIME OFF TIME ON TIME OFF TIME ON Loading of the battery 1 2 3 4 Remove the battery cover Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Be sure that the loading is in line with the Load the battery then put on the cover again The distance between the signal transmission head and the rece iver hole should be within 7m without any obstacle as well When ele...

Page 119: ...he right side of the indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air purifying filter face out...

Page 120: ...ICT ENFORCEMENT PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas ap...

Page 121: ...mmediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation 2 If the power supply cord is damaged it must be replaced manufacturer qualified person ...

Page 122: ...Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 997 997 235 322 340 6 322 140 2 235 114 2 513 644 81 1 285 413 ...

Page 123: ...roken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to c...

Page 124: ...3 Overcurrent protection of AC electricity for the outdoor model Page F3 4 Communication fault between the IPM and outdoor PCB Page F19 6 Power voltage is too high or low Page F4 8 Overheat protection for Discharge temperature Page F8 9 Outdoor DC fan motor fault F21 10 Defrost temperature sensor failure Page F7 11 Suction temperature sensor failure Page F6 12 Ambient temperature sensor failure Pa...

Page 125: ...potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2014 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthor...

Page 126: ...re comfortable level when you set the sleep mode during night sleep Super match One outdoor unit can match two or more indoor unit DIY auto mode Adjust the last fixed operation mode automatically Turbo mode Quick cooling or heating Auto restart Automatic return to previous operation conditions after sudden power blackout 24 hours timer Use the timer function to set on or off or from on to off or f...

Page 127: ...ed the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 Automatic When Tr Ts 3 high speed When Ts 1 Tr Ts 3 medium speed When Tr Ts 1 low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the speed sh...

Page 128: ...peration can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 se...

Page 129: ...ignals to the outdoor system Residue heat sending The indoor fan will send the residue heat at a low speed for 12 seconds If other conditions are satisfied when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan w...

Page 130: ...ff after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoor system is under the waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing signal 2 system off timing When the syste...

Page 131: ...he remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn...

Page 132: ...ty confirmation approaches 1 indoor temperature sensor abnormality Under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 2 indoor heat interaction sensor abnormality Under the operation the normal temperature ranges f...

Page 133: ...ion 1 and send the cooling signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow direction board can be switched to the maximal position c Quitting condition The fixed frequency cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a under G code condition high speed...

Page 134: ... OFF button 21 TEMP button 22 TIMER OFF ON 23 1 Mode display Operation mode AUTO FAN COOL DRY Remote controller 2 Signal sending display 4 FAN SPEED display 5 LOCK display 6 TIMER OFF display TIMER ON display 7 TEMP display 3 SWING display LO MED HI AUTO Display circulated 8 Additional functions display Operation mode Remote controller QUIET TURBO SLEEP Supplemented electrical heating HEALTH 9 TUR...

Page 135: ...e controller displays as follows remote controller For each press of button remote controller displays as follows remote controller Cautions Initial state Pos 2 No initial state disaplayed on remote controller the vertical flap will be fixed on the current position Remote controller Press button Every time the button is pressed temp setting increase 1o C if kept depressed it will increase rapidly ...

Page 136: ...ours temp risesby 1 futher The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your sleep O C 1O C Press button the remote controller will show and then achieve to the sleep function Press again this button the sleep function will be cancelled O Note When TIMER function is set the sleeping function can t be set up After th...

Page 137: ...can be achieved TIME OFF TIME ON TIME OFF TIME ON Loading of the battery 1 2 3 4 Remove the battery cover Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Be sure that the loading is in line with the Load the battery then put on the cover again The distance between the signal transmission head and the rece iver hole should be within 7m without any obstacle as well When ele...

Page 138: ...he right side of the indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air purifying filter face out...

Page 139: ...ICT ENFORCEMENT PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas ap...

Page 140: ...mmediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V The refrigerating circuit is leak proof 1 Applicable ambient temperature range Specifications The machine is adaptive in following situation 2 If the power supply cord is damaged it must be replaced manufacturer qualified person ...

Page 141: ...Seivice diagnosis Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 1115 248 336 1115 477 30 155 7 248 106 50 711 834 8 0 8 1 3 5 0 3 465 ...

Page 142: ...roken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to c...

Page 143: ...3 Overcurrent protection of AC electricity for the outdoor model Page F3 4 Communication fault between the IPM and outdoor PCB Page F19 6 Power voltage is too high or low Page F4 8 Overheat protection for Discharge temperature Page F8 9 Outdoor DC fan motor fault F21 10 Defrost temperature sensor failure Page F7 11 Suction temperature sensor failure Page F6 12 Ambient temperature sensor failure Pa...

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