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25. VARIOUS PROTECTIONS

1. DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL

The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature.

When the discharge temperature becomes higher than Temperature , the compressor frequency

is decreased 20rps, and it continues to decrease the frequency for 20rps every 120 seconds until

the temperature becomes lower than Temperature .

When the discharge temperature becomes lower than Temperature , the protection control of the

compressor frequency will be released.

When the discharge temperature becomes higher than Temperature , the compressor is stopped

and the indoor unit LED starts blinking.

104°C

101°C

110°C

( Table 25 : Discharge temperature over rise prevension control / Release temperature )

Temperature

2. CURRENT RELEASE CONTROL

The compressor frequency is controlled so that the outdoor unit input current does not exceed

the current limit value that was set up with the outdoor temperature.

The compressor frequency returns to the designated frequency of the indoor unit at the time

when the frequency becomes lower than the release value.

( Table 26 : Current release operation value / Release value )

01-20

[ Heating ]

OT : Outdoor Temperature

[ Cooling ]

AO*G07KGCA

AO*G09KGCA

OT (Control / Release)

4.0A / 3.5A
5.0A / 4.5A
6.0A / 5.5A

46°C

40°C

OT : Outdoor Temperature

AO*G07KGCA

AO*G09KGCA

OT (Control / Release)

5.5A / 5.0A
7.0A / 6.5A
7.5A / 7.0A
8.5A / 8.0A

17°C

12°C

5°C

[ Heating ]

OT : Outdoor Temperature

[ Cooling ]

AO*G12KGCA

OT (Control / Release)

4.0A / 3.5A
5.0A / 4.5A
6.0A / 5.5A

46°C

40°C

OT : Outdoor Temperature

AO*G12KGCA

OT (Control / Release)

5.5A / 5.0A
7.0A / 6.5A
7.5A / 7.0A
8.5A / 8.0A

17°C

12°C

5°C

[ Heating ]

OT : Outdoor Temperature

[ Cooling ]

AO*G14KGCA

OT (Control / Release)

4.5A / 4.0A
6.0A / 5.5A
8.5A / 8.0A

46°C

40°C

OT : Outdoor Temperature

AO*G14KGCA

OT (Control / Release)

7.0A / 6.5A
9.0A / 8.5A

10.0A / 9.5A
10.0A / 9.5A

17°C

12°C

5°C

Содержание AO G07KGCA Series

Страница 1: ...TEDtype Models Indoor unit Outdoor unit INVERTER AS G07KGTA AS G09KGTA AS G12KGTA AS G14KGTA AO G07KGCA AO G09KGCA AO G12KGCA AO G14KGCA Models SERVICE INSTRUCTION RSG07KGTA RSG09KGTA RSG12KGTA RSG14KGTA ROG07KGCA ROG09KGCA ROG12KGCA ROG14KGCA ...

Страница 2: ...LING OPERATION 17 COMPRESSOR PREHEATING 19 ECONOMY OPERATION 21 OUTDOOR UNIT LOW NOISE OPERATION 20 HUMAN SENSOR 01 01 01 02 01 03 01 04 01 05 01 07 01 08 01 09 01 10 01 13 01 13 01 13 01 14 01 14 01 14 01 15 01 15 18 10 C HEAT OPERATION 01 15 01 15 01 16 22 POWERFUL OPERATION 01 16 24 OFF DEFROST OPERATION CONTROL 23 DEFROST OPERATION CONTROL 01 17 01 19 25 VARIOUS PROTECTIONS 01 20 01 13 2 TROUB...

Страница 3: ...DATA 3 1 FUNCTION SETTING 3 1 1 INDOOR UNIT 3 1 2 Procedures to change the Function Setting for wireless RC 03 01 03 01 03 05 3 2 Thermistor Resistance Values 3 2 1 INDOOR UNIT 3 2 2 OUTDOOR UNIT 03 07 03 07 03 07 ...

Страница 4: ...1 DESCRIPTION OF EACH CONTROL OPERATION WALL MOUNTED type INVERTER ...

Страница 5: ...tdoor temperature If the room temperature is some degrees lower than a set temperature the compressor will be stopped AO G09KGCA AO G12KGCA AO G14KGCA A zone 67rps 38rps 26rps 18rps B zone 67rps 38rps 26rps 18rps C zone 67rps 38rps 26rps 18rps D zone 47rps 36rps 24rps 16rps E zone 47rps 36rps 24rps 16rps F zone 47rps 36rps 24rps 16rps A zone 83rps 42rps 30rps 18rps B zone 83rps 42rps 30rps 18rps C...

Страница 6: ...an a set temperature the compressor operation frequency will attain to maximum performance If the room temperature is some degrees higher than a set temperature the compressor will be stopped When the room temperature is between 1 C to 6 C of the setting temperature the compressor frequency is controlled within the range shown in Table 3 Table 3 Compressor frequency range 01 02 Minimum frequency M...

Страница 7: ... which the room temperature sensor of the indoor unit body has detected as shown in the Table 4 Ts 0 5 C Ts 1 5 C Ts 0 5 C Ts 1 5 C Table 4 Compressor frequency in Dry mode Fig 2 Compressor control based on room temperature Operating frequency 22rps 16rps 0rps X zone J zone Y zone X zone J zone Y zone Room temperature Room temperature ...

Страница 8: ... other than auto changeover operation NO NO Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation YES YES When the air conditioner is set to the AUTO mode by remote control operation starts in the optimum mode from among the Heating Cooling and Monitoring modes During operation the optimum mode is automatically switched in ac...

Страница 9: ...om temperature Ts Setting temperature TR Ts 2 C 1 C TR Ts 2 C TR Ts 1 C TR Ts 2 5 C 1 5 C TR Ts 2 5 C TR Ts 1 5 C Hi mode Me mode Lo mode 1 Fan speed Table 5 Indoor fan speed Operation mode Air flow mode Speed rpm Cooling Fan Heating Dry X zone 550 J zone 550 X zone 550 J zone 550 X zone 550 J zone 550 AS G07KGTA AS G09KGTA AS G12KGTA 4 DRY OPERATION Refer to the Table 5 During the dry mode operat...

Страница 10: ...42 C 30 C 34 C Indoor heat exchanger temperature Indoor heat exchanger temperature Hi Me Lo Cool air prevention 39 C 37 C 37 C 32 C 28 C S Lo Switch the airflow Auto at cooling mode and the indoor fan motor will run as shown in Fig 7 Switch the airflow at cooling mode and the indoor fan motor will run as shown in Fig 7 It depends on the Function setting Indoor unit fan control for energy saving 7 ...

Страница 11: ...r Table 7 Type of Motor 1070rpm 1120rpm Cooling Heating 09KGCA 07KGCA AO G07 09KGCA 14KGCA 12KGCA Y Z Zone Refer to Fig 8 rpm F G Y Z F G Y Z F G Dry 990 300 270 240 220 200 990 800 680 550 480 1070 780 600 450 1070 800 640 600 450 1120 870 710 660 500 990 630 550 390 250 200 990 280 250 220 200 990 280 250 220 200 990 300 270 240 220 200 990 300 270 240 220 200 990 800 680 550 480 990 920 810 670...

Страница 12: ...isplay does not change Use the air direction adjustments within the ranges shown above During AUTO mode operation for the first a few minutes after beginning operation air flow will be horizontal the air direction cannot be adjusted during this period The air flow direction setting will temporarily become when the temperature of the air flow is low at the start of the Heating mode Range Heating mo...

Страница 13: ... Frequency Frequency Frequency Frequency Frequency Time Time Time Time Time 60sec 140sec 170sec 220sec 280sec 360sec 430sec Time 77rps 84rps Frequency Frequency Time 6 Time 7 Time 7 Frequency Frequency Time 6 93rps 103rps 3 LIMITATION OF COMPRESSOR FREQUENCY BY OUTDOOR TEMPERATURE The minimum compressor frequency is limited by outdoor temperature as shown in the Table12 Over Under Over Under Over ...

Страница 14: ...e Stop mode Set time of timer The program timer allows the OFF timer and ON timer to be used in combination one time Operation mode Operation will start from the timer setting either OFF timer or ON timer whichever is closest to the clock s current timer setting The order of operations is indicated by the arrow in the remote control unit s display SLEEP timer operation cannot be combined with ON t...

Страница 15: ...ature another 1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 1 C 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not changed and the operation ...

Страница 16: ...ay Setting day Setting day ON OFF ON OFF ON OFF Set time Set time The DAY OFF setting is only available for days for which weekly settings already exist The DAY OFF setting can only be set one time The DAY OFF setting is cancelled automatically after the set day has passed Normal Next day setting If the operating time carries over to the next day during a next day setting the effective DAY OFF ran...

Страница 17: ...r connecting the power supply By the wireless remote controller To start the run press the START STOP button the TEST RUN button on the remote controller with a by using the tip of a ballpoint pen or other small object Release Perform the test operation for 60 minutes Pressing the MANUAL AUTO button of the indoor unit for more than 3 seconds Using the Wired remote control Option If the Operation l...

Страница 18: ...e operation is controlled as shown in Table17 When the power was interrupted by a power failure etc during operation the operation contents at that time are memorized and when power is recovered operation is automatically started with the memorized operation contents When the power is interrupted and recovered during timer operation since the timer operation time is shifted by the time the power w...

Страница 19: ...UMAN SENSOR functions by pressing SENSOR button on the remote controller When the sensor detects that there is no one in the room for 20 minutes or more it automatically changes the operation as below settings When someone comes back into the room the human sensor will detect this and automatically revert to the original settings 90 6 m 6 m 50 50 Vertical angle 90 Side view Horizontal angle 100 To...

Страница 20: ...ol Release Current release operation release value 3 5A 3 0A Table 21 22 POWERFUL OPERATION The POWERFUL OPERATION functions by pressing POWERFUL button on the remote controller The indoor unit outdoor unit will operate at maximum power as shown in Table22 Release Condition is as follows Cooling Dry Room tenperature Setting temperature 0 5 C or Operation time has passed 20 minutes COMPRESSOR FREQU...

Страница 21: ...n time Compressor integrating operation time Compressor integrating operation time Less than 22 min 22 to 62 min More than 62 min Does not operate 9 C 5 C Less than 40 min More than 40min Integrating defrost Constant monitoring More than 240 min For long continuous operation Less than 10min 1 For intermittent operation 3 C More than 215 min For long continuous operation 5 C OFF count of the compre...

Страница 22: ...w 9 C Outdoor heat exchanger temperature Below 5 C Compressor integrating operation Over 40 min 2nd and later defrost Integrating defrost Constant monitoring Defrost Indicator Operation lamp 7 sec ON 2 sec OFF Defrost start Compressor OFF count 40 times Less than 10min 1st defrost Compressor integrating operation Over 62 min Compressor integrating operation Over 240 min Outdoor heat exchanger temp...

Страница 23: ...ndicater Operation lamp 7 sec ON 2 sec OFF Outdoor heat exchanger temperature Over 16 C or Compressor ON time Over 15 minutes Defrost end 2 OFF DEFROST END CONDITION Release Condition Outdoor heat exchanger temperature sensor value is higher than 16 C or Compressor operation time has passed 15 minutes In heating operation the outdoor heat exchanger temperature is less than 4 C compressor continuou...

Страница 24: ...ompressor frequency is controlled so that the outdoor unit input current does not exceed the current limit value that was set up with the outdoor temperature The compressor frequency returns to the designated frequency of the indoor unit at the time when the frequency becomes lower than the release value Table 26 Current release operation value Release value 01 20 Heating OT Outdoor Temperature Co...

Страница 25: ... outdoor fan motor are stopped and trouble display is performed 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE 01 21 Outdoor temperature Over than 10 C 1 or 12 C 2 Less than 10 C 1 or 12 C 2 1 When the temperature rises 2 When the temperature drops 4 C 7 C 13 C Temperature Temperature On heating mode the compressor frequency is controlled as following based on the detection value of the indoor he...

Страница 26: ...2 TROUBLE SHOOTING WALL MOUNTED type INVERTER ...

Страница 27: ...imes 8 32 Continuous 3 times 3 times 9 33 OPERATION TIMER ECONOMY Indoor unit main PCB error Indoor Unit Motor Electricity Consumption Detection Error Continuous 3 times 5 times 10 35 Manual auto switch error Continuous 4 times 1 times 13 41 Indoor Room Thermistor Error Continuous 4 times 2 times 14 42 Indoor Heat Ex Thermistor Error Continuous 5 times 1 times 15 51 Indoor Unit Fan Motor Error Con...

Страница 28: ...imes Current Sensor Error 24 84 Continuous 9 times 4 times Over Current Error 25 94 Continuous 9 times 5 times Compressor Control Error 26 95 Continuous 9 times 7 times Outdoor Unit Fan Motor Error 27 97 Continuous 9 times 9 times 4 way Valve Error 28 99 Continuous 10 times 1 times Discharge Temp Error 29 A1 OPERATION TIMER ECONOMY ...

Страница 29: ... Information on the Status screen The Error Information screen is displayed If there are no errors the Error Information will not be displayed 3 2 digit numbers correspond to the error code in the table below Touch the Next page or Previous page to switch to other connected indoor units 1 Check the error Mode Set Temp Fri 10 00AM Menu Monitor Back Page 1 4 Page 1 5 Air Flow Direction Economy VT In...

Страница 30: ...it If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Serial Signal Reverse Transfer Signal Check if Indicated value swin...

Страница 31: ...oor unit If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Serial Signal Forward Transfer Signal Check if Indicated valu...

Страница 32: ... loose connector open cable or miss wiring the same a signal has not been received for 15sec After receiving a signal from the external I O PCB 1 Connection failure 2 External I O PCB Wi fi adapter failure 3 Controller PCB failure Check Point 1 Check the connection Check Point 2 Replace external I O PCB Wi fi adapter If Check Point 1 do not improve the symptom change External I O PCB or Wi fi adap...

Страница 33: ...s is incorrect 2 Main PCB failure Check Point 1 Check the total capacity of indoor unit Check the total capacity of the connected indoor units If abnormal condition is found correct it by referring to Installation Manual or Data Technical Manual Check Point 2 Replace Main PCB If Check Point 1 do not improve the symptom replace Main PCB Indicate or Display Outdoor Unit No indication Indoor Unit Ope...

Страница 34: ...ncorrect Check Point 1 Check the type of indoor unit Check the type of the connected indoor unit If abnormal condition is found correct it Check Point 2 Replace Main PCB If Check Point 1 do not improve the symptom replace Main PCB of Outdoor unit 02 08 Indicate or Display Outdoor Unit No indication Indoor Unit Operation lamp 2 time Flash Timer lamp 3 time Flash Economy lamp Continuous flash ERROR ...

Страница 35: ...ion in RCgroup Please refer to the installation manual Change controller PCB and check the Error after setting remote controller address Check if controller PCB damage Check Point 2 Wrong RCgroup setting The given address number by auto setting 00 and the manual set number Except 00 were not existing in one RCG The remote controller address setting by U I were not existing same address The duplica...

Страница 36: ...le Forecast of Cause 1 Wrong wiring Number of I U RC in RCgroup 2 Indoor unit controller PCB defective Check Point 1 Wire installation Wrong number of connecting indoor unit Check Point 2 Check Indoor unit controller PCB Check if controller PCB damage Check if controller PCB and check the Error after setting remote controller address Indicate or Display Outdoor Unit No indication Indoor Unit Opera...

Страница 37: ... which causes harmonic wave Note EEPROM EEPROM Electronically Erasable and Programmable Read Only Memory is a non volatile memory which keeps memorized information even if power is turned off It can change the contents electronically To change the contents it uses higher voltage than normal and it can not change a partial contents Rewriting shall be done upon erasing the all contents There is a li...

Страница 38: ...s off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace It Check excessively high temperature around the motor if there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check Point 4 Replace Power Supply PCB If Check Point 1 3 do not improve the symptom replace Main PCB Check Point 3 Check Indoor unit fan motor ...

Страница 39: ...nd Indicator PCB failure Check Point 1 Check the Manual auto switch Check if Manual auto switch is kept pressed Check ON OFF switching operation by using a meter If Manual auto switch is disabled on off switching replace it Check Point 2 Replace Controller PCB and Indicator PCB If Check Point 1 do not improve the symptom replace Controller PCB and Indicator PCB Indicate or Display Outdoor Unit No ...

Страница 40: ...nnection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 1 Check external cause at lndoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equi...

Страница 41: ... defective 1 Communication PCB defective Check Point 1 Check the connection of terminal Indoor unit Check the connection the communication PCB and the controller PCB After turning off the power supply check correct the followings If the Check point 1 is ok replace the communication PCB 02 15 Check Point 3 Replace the controller PCB If condition is doesn t change replace the controller PCB Indicate...

Страница 42: ...onnector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Make sure circuit diagram of indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller P...

Страница 43: ...wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB 0...

Страница 44: ... motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation When the condition that actual frequency of Indoor Fan is below 1 3 of target frequency is continued more than 56 seconds 02 18 Check Point 4 Replace Controller PCB If Check Point 1 3 do not improve the symptom replace Controller PCB Check Point 3 Check Indoor unit fan motor Check Indoo...

Страница 45: ...erate Does Error indication show again Check Point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no related cables near the power line Change Main PCB Access to EEPROM failed due to some cause after outdoor unit started 02 19 Indicate or Display Outdoor Unit No indication Ind...

Страница 46: ...ause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete ins...

Страница 47: ... obstructing the air distribution circuit Is there any clogging of Outdoor Heat Exchanger Is the Fan rotating by hand when operation is off If the Fan Motor is locked replace it Check Outdoor Fan Motor Refer to Trouble shooting 28 If the Fan Motor is failure replace it Check Point 4 Check Compressor PARTS INFORMATION 2 Check Compressor If Check Point 1 4 do not improve the symptom change Main PCB ...

Страница 48: ...is wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Main PCB 02 22 90 ...

Страница 49: ...t the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power 02 23 5 C 10 C 95 6 30 C 50 3 20 C 80 C 70 C 60 C 30 C 20 C 10 C 5 C 0 C 50 C 40 C Check Point 3 Check Point 3 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check terminal vol...

Страница 50: ...k Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power 02 24 15 C 20 C 224 3 30 C 159 7 25 C 35 C 5 2 40 C 4 2 45 C 3 5 50 C 2 8 55 C 30 C 25 C 10 C 5 C 0 C 5 C 10 C 20 C 15 C Check Point 3 Check Point 3 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit ...

Страница 51: ...ry power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check Point 1 1 Reset Power Supply and operate Does Error indication show again When Input Current Sensor has detected...

Страница 52: ... stop by overcurrent generation after inverter compressor start processing completed generated consecutively 10 times The number of generations is reset if the start up of the compressor succeeds No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources Discharged air not sucked in Check Point 1 Check ...

Страница 53: ...minal Main PCB If the detected rotor location is out of phase with actual rotor location more than 90 the compressor stops After the compressor restarts if the same operation is repeated within 40sec the compressor stops again If and repeats 5 times the compressor stops permanently 02 27 Check Point 1 Check Noise from Compressor Turn on Power and check operation noise If an abnormal noise show rep...

Страница 54: ...ltage is not correct replace Main PCB When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts fan motor stops After fan motor restarts if the same operation within 60sec is repeated 3 times in a row compressor and fan motor stops If and repeats 5 times in a row compressor and fan motor stops permanently Read wire DC voltage Red Black 306 374V White Black 15 1 5V 02...

Страница 55: ... 2 29k at 20 C If it is Open or abnormal resistance value replace Solenoid Coil 02 29 Cooling or Dry operation Indoor heat exchanger temp Room temp 10degC Heating operation Indoor heat exchanger temp room temp 10degC If the same operation is repeated 5 times the compressor stops permanently Solenoid coil Check each piping temperature and the location of the valve by the temperature difference If t...

Страница 56: ...heck Point 5 Check the refrigerant amount Leak check EEV EEV1 EEV2 open Strainer clogging check before and after EEV ACM oil return Check Point 2 Check the EEV strainer If the 3 way valve gas side was closed open the 3 way valve gas side and check operation Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 way valve liquid side and check op...

Страница 57: ...ective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 31 2 3 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components YES YES NO Check the voltage of power supply Check if AC207 253V appea...

Страница 58: ...Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check the voltage of power supply Check if AC207 253V appears at Outdoor Unit Terminal L N Check Fuse in Main P...

Страница 59: ...al Manual Turn off Power and check correct followings Is there loose or removed communication line of Indoor Unit and Outdoor Unit Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line N...

Страница 60: ...ts that obstruct the air flow route Check clogged Heat Exchanger Is the Valve open Is capacity of Indoor unit fitted to room size Any windows open or direct sunlight Check connection pipe specified pipe length Pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check if Strainer is clo...

Страница 61: ...on grille and front panel normal Is Fan broken or deformed Is the screw of Fan loose Is there any object which obstruct the Fan rotation Is Main unit installed in stable condition Is Fan guard installed normally Check if vibration noise by loose bolt or contact noise of piping is happening Is Compressor locked Check Compressor PARTS INFORMATION 1 2 Water Leaking 1 Erroneous installation 2 Drain ho...

Страница 62: ...mpressor due to clogged dirt or less oil Replace Compressor Replace Compressor Replace Compressor Stops soon after starting up Is there open or loose connection cable Is Gas pipe valve open Low pressure is too low Check if Refrigerant is leaking Recharge Refrigerant Check if strainer is clogged PARTS INFORMATION 3 If there is no failure the defect of Compressor can be considered Compression part b...

Страница 63: ...Inverter Compressor Check terminal connection of Compressor loose or incorrect wiring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If the symptom does not change with above Check 1 2 replace Main PCB 02 37 U R RED V S WHITE C W BLACK Terminal cover opened Resistance Value 1 975 at 25 C ...

Страница 64: ... 4 5 at 20 C Outdoor unit Electronic Expansion Valve EEV Check connection of connector P30 Loose connector or open cable Remove connector check each winding resistance of Coil If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V If it does not appear replace Main PCB Turn on Power and check operation noise If an abnormal noise does not show replace Main PCB When Val...

Страница 65: ...Vm No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back FG Pin number wire color Terminal function symbol 1 Red 2 3 4 Black 5 White 6 Yellow 7 Blue DC voltage Vm No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back PG SERVICE PARTS INFORMATION 4 Check Point 1 Check rotation of Fan Indoor unit fan motor Rotate the fan by ha...

Страница 66: ...3 APPENDING DATA WALL MOUNTED type INVERTER ...

Страница 67: ... amount of dust in the air of the room If the indication is not required select No indication 03 When cdifferent type of indoor units such as wall mounted type and cassette type cassette type and duct type or other combinations are connected using group control system some functions may no longer be available Setting Description Function Number Setting Value Standard 400 hours Long interval 1 000 ...

Страница 68: ... Less cooling More heating 11 1 0 C 12 1 5 C 13 2 0 C 14 2 5 C 15 3 0 C 16 3 5 C 17 4 0 C Room temperature control for wired remote controller sensor Depending on the installed environment correction of the wire remote temperature sensor may be required Select the appropriate control setting according to the installed environment To change this setting set Function 42 to Both 01 Ensure that the Th...

Страница 69: ...Function number Setting value Setting description Factory setting 42 t i n u r o o d n I 0 0 h t o B 1 0 Remote controller custom code Only for wireless remote controller The indoor unit custom code can be changed Select the appropriate custom code External input control Operation Stop mode or Forced stop mode can be selected Room temperature sensor switching Aux To use the temperature sensor on t...

Страница 70: ...e or disable this function by remote controller setting W As the factory setting this setting is initially invalidated hen connecting VRF system using network converter this setting must be set to 00 or 01 Function number Setting value Setting description Factory setting 49 e l b a s i D 0 0 e l b a n E 1 0 r e l l o r t n o c e t o m e R 2 0 Function number Setting value Setting description Facto...

Страница 71: ...utton again to return to the function number selection Selecting the Function Number and Setting Value 5 Next please press the START STOP button Please confirm that the beep sounds 6 Press the RESET button to cancel the function setting mode 7 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again CAUTION After turning off the power wait 10 seconds or more before ...

Страница 72: ...the SET TEMP buttons to change the signal code between Match the code on the display to the air conditioner signal code If no buttons are pressed within 30 seconds after the signal code is displayed the system returns to the original clock display In this case start again from step 1 The air conditioner signal code is set to A prior to shipment CAUTION 1 Press the START STOP button until only the ...

Страница 73: ... 0 28 0 0 168 6 0 36 5 0 129 8 0 46 10 0 100 9 0 57 15 0 79 1 0 71 20 0 62 5 0 86 25 0 49 8 1 03 30 0 40 0 1 23 35 0 32 4 1 43 40 0 26 3 1 65 45 0 21 6 1 88 50 0 17 8 2 11 55 0 14 8 2 34 60 0 12 3 2 57 65 0 10 3 2 79 70 0 8 7 3 00 75 0 7 4 3 19 80 0 6 3 3 37 85 0 5 4 3 54 90 0 4 6 3 69 95 0 4 0 3 83 100 0 3 4 3 96 105 0 3 0 4 07 110 0 2 6 4 17 115 0 2 3 4 26 120 0 2 0 4 33 Temp C Resistance k Volt...

Страница 74: ...Sep 2017 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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