AirStage AO54FJ Service Manual Download Page 11

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01-06

CHECK LIST

Check item

Checking Method

Standard

High pressure and low pressure

are normal?

Confirm with a pressure gauge

Cooling : Low pressure 0.7 to 0.9MPa (approx.)

Heating : High pressure 2.2 to 2.7 MPa (approx.)

Intake and outlet air Temperature

of indoor unit are normal?

Check that there is a difference

between the intake and outlet air

temperatures.

Check operation sound of the

drain pump.

Water is drained from drain hose

or by the drain pump smoothly?

(Only for cooling mode)

Confirm water is draining.

Cooling : Below -10 C (approx.)

Heating : Above 15 C (approx.)

Expansion valve of the stopped

indoor unit are normal?

Check the refrigerant flows to the

heat exchanger.(Wait at least 5

minutes after the indoor unit has

stopped before checking the

refrigerant.)

Cooling : No refrigerant flow

Heating : A little refrigerant flow

After operating the indoor unit,

the compressor operates?

Check operation sound and

the LED of outdoor unit PCB.

Outdoor unit LED 3 :flushing

Summary of Contents for AO54FJ

Page 1: ...R410A Variable Refrigerant Flow System Multi Air Conditioning System for Buildings HEAT PUMP COOLING ONLY TYPE Model AO54U AO54J SERVICE MANUAL SERIES ...

Page 2: ...ER 2 2 1 INDOOR UNIT 2 2 2 OUTDOOR UNIT 2 3 FUNCTION AND SETTING OF EACH SWITCH 2 3 1 INDOOR UNIT EXCEPT COMPACT WALL MOUNTED 2 3 2 OUTDOOR UNIT 2 3 3 WIRED SIMPLE REMOTE CONTROLLER 2 4 EXTERNAL INPUT OUTPUT 2 4 1 INDOOR UNIT 2 4 2 OUTDOOR UNIT 3 INVERTER CONTROL 3 1 4 PWM CONTROL 3 2 CIRCUIT DISCRIPTION 01 01 01 01 01 02 01 04 01 04 01 05 1 3 TEST RUN METHOD 01 07 01 07 01 07 01 08 02 01 02 01 02...

Page 3: ... 04 06 04 06 04 06 05 01 05 01 05 02 05 02 05 02 5 3 1 ADJUSTING THE DIRECTION OF AIR CIRCULATION 05 04 5 3 2 SWING OPERATION 05 05 05 04 05 08 05 07 05 01 5 4 ELECTRONIC EXPANSION VALVE CONTROL 05 07 04 07 04 07 04 08 04 08 4 6 1 PRESSURE BALANCE CONTROL 4 6 2 OIL RECOVERY OPERATION 4 6 3 DEFROSTING OPERATION 4 6 4 PRE HEAT OPERATION 4 6 5 BASE HEATER OUTPUT 4 7 PROTECTIVE FUNCTION 4 7 1 PROTECTI...

Page 4: ...ON 8 3 PRECAUTIONS FOR SERVICING 08 01 08 02 08 04 8 4 NEW REFRIGERANT R410A 8 4 1 WHAT IS HFC 8 4 2 DESIGHED PRESSURE OF R410A REFRIGERANT 08 05 8 5 DIFFERENCE FROM CONVENTIONAL MODEL R22 AND PRECAUTIONS 08 08 08 05 08 07 9 APPENDING DATA1 UNIT 9 1 REFRIGERANT PIPE SYSTEM DIAGRAM 9 2 CHARACTERISTICS OF SENSORS 09 01 09 03 09 03 9 2 1 THERMISTOR 9 2 2 PRESSURE SENSOR 9 3 WIRING DIAGRAM 9 4 OUTDOOR...

Page 5: ...1 TEST RUN TM SERIES R410A ...

Page 6: ...CUSTOM CODE SETTING FOR WIRELESS REMOTE CONTROLLER 1 2 3 4 START STOP MASTER CONTROL MASTER CONTROL Press until only the clock is displayed Press for more than 5 seconds to display the current custom code Initially set to Change the custom code be tween to match the code on the display to the air conditioner custom code Press again to return to the clock display The custom code will be changed NOT...

Page 7: ...TOM CODE The initial setting is 1 Press the MASTER CONTROL to change in to address setting mode 2 Make sure bottom number is 01 If other than 01 press the SET TEMP or to select 01 3 Press the FAN CONTROL button Address data display flashing 4 Press the SET TEMP or button to select the address 1 Address should be within 00 to 07 2 Each unit should have different address SET 01 Address data Range 00...

Page 8: ...f address numbers Operation lamp turns off Timer lamp keep blinks the number of times of address No 2 is needed when custom code is different Address can be checked by the number of blinking of Timer Lamp After pressing the ACL button please set the custom code again if b c d setting 7 Reset the power after setting up address of all Indoor units If the reset is not performed address can not be rea...

Page 9: ...tion cable connected to all the units Is the remote controller cable connected correct Are the addresses set 5 7 8 9 10 11 12 Is the voltage of power suppy within proper range 13 Is the diameter and thickness of the selected pipe correct 6 Is the EV kit connected to all the unit 14 16 18 Is the EV kit connection cable connected correct 17 19 20 21 22 Have the all settings done on the PCB 23 Is the...

Page 10: ...t the same time slowly Louver operates to open Fan rotates Air flow comes Drain pump opration RC signal receive Outdoor unit Coresponds from indoor unit signal Compressor start to operates Fan rotates Measure the following item Indoor unit Air intake temp Air flow temp Outdoor unit Outdoor temp Discharge pipe temp Suction pipe temp High pressure Low pressure Frequency of compressor Continue the op...

Page 11: ... of the drain pump 4 5 Water is drained from drain hose or by the drain pump smoothly Only for cooling mode Confirm water is draining Cooling Below 10 C approx Heating Above 15 C approx Expansion valve of the stopped indoor unit are normal Check the refrigerant flows to the heat exchanger Wait at least 5 minutes after the indoor unit has stopped before checking the refrigerant Cooling No refrigera...

Page 12: ...ill start to conduct a test run and will display on the remote controller display However the SET TEMP DAY setting button does not have function but all other buttons displays and protection functions will operate 1 3 2 TEST RUN FROM REMOTE CONTROLLER To stop test run push the START STOP button of the standard wired remote controller For the operation method refer to the operating manual and perfo...

Page 13: ...d central remote controller 1 The test runn operation starts and the electric expansion valve is controlled to a maximum flow regardless of the temperature condition 2 De frosting and frost prevention operation has priority over item 1 3 After 60 minutes passes the test run stops 2 When the test run signal is transmitted from the outdoor unit 1 Whether state of the indoor unit operates or stops Al...

Page 14: ...2 FUNCTION OF PRINTED CIRCUIT BOARD TM SERIES R410A ...

Page 15: ...elect edge pulse Forbidden Indoor unit model code 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Forbidden Forbidden Indoor unit model code Forbidden Indoor unit model code Forbidden Indoor unit model code Forbidden Forbidden Forbidden Auto restart validity invalidity Indoor unit control circuit board SWITCH POSITION Wireless remote controller custom code switch 1 1 2 3 4 Wireless remote controller custom code s...

Page 16: ...unit SW 1 SW 2 DIP SW Forbidden Indoor unit fan speed switch 1 Forbidden Indoor unit fan speed switch 2 Forbidden Indoor unit model code 1 2 3 4 1 2 3 4 Forbidden Indoor unit model code Wireless remote controller custom code Forbidden Auto restart validity invalidity JM 1 JM 2 Jumper wire Wireless remote controller custom code Forbidden Forbidden ...

Page 17: ... Forbidden 3 Forbidden 4 Forbidden 1 Cooling capacity shift switch 1 2 Cooling capacity shift switch 2 4 Heating capacity shift switch 2 1 Pipe length switch 1 2 Pipe length switch 2 3 Defrost temp setting switch 1 4 Defrost temp setting switch 2 DIP SW 2 Test run Heating 1 Test run Cooling 3 Pump down operation 4 Forced oil recovery operation 3 Forbidden Model code switch 2 Forbidden 1 Forbidden ...

Page 18: ... SW2 SW4 SW6 SW8 EX OUT 1 BLACK EX OUT 2 BLUE CN48 CN52 EX IN 1 YELLOW EX IN 2 GREEN CN49 CN50 Main PCB FRONT SIDE P Filter PWB 1 2 3 4 O F F SW201 02 04 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F 4 3 2 1 O F F FRONT SIDE Switching Transformer ...

Page 19: ...Forbidden 1 2 3 4 5 6 Wired remote controller Simple remote controller SWITCH POSITION Model setting DIP Switch Front case back side ON OFF 1 2 3 4 5 6 ON OFF 1 2 3 4 5 6 DIP switches Forbidden Forbidden Auto changeover setting Memory backup setting 1 1 Wired remote controller only ...

Page 20: ...P M U D CN11 SP M R L CN12 HEATER CN13 DISPLAY CN14 E E VALVE CN15 FLOAT SW CN16 MOTOR F BACK CN17 REMOCON CN18 TEST CN19 R TH CN20 P TH CN22 EX OUT1 CN23 EX OUT2 CN24 EX OUT3 CN25 FLASH CN26 COMMUNICATION PWB CN27 EX IN CN101 NETWORK CN201 COMMUNICATION SW1 FUNCTION 1 SW2 FUNCTION 2 SW3 FUNCTION 3 SW4 FUNCTION 4 SW5 FUNCTION 5 SW8 FORBIDDEN SW9 F101 F402 FORBIDDEN FUSE 250V 3 15A FUSE 250V 0 315A...

Page 21: ... E E VALVE CN13 REMOCON CN14 FLOAT CN15 NETWORK CN16 R TH CN17 P TH CN19 FLASH CN20 HEATER CN21 EX IN CN22 EX OUT1 CN23 EX OUT2 CN24 EX OUT3 CN25 COMMUNICATION PWB CN26 COMMUNICATION SW1 FUNCTION 1 SW2 FUNCTION 2 SW3 FUNCTION 3 SW4 FUNCTION 4 SW5 FUNCTION 5 SW8 FORBIDDEN SW9 F402 F101 FORBIDDEN FUSE 250V 3 15A FUSE 250V 0 315A COMMUNICATION INDOOR UNIT TYPE MODEL CODE ...

Page 22: ...MMUNICATION PWB CN101 MAIN PWB CN102 FAN MOTOR CN103 TRANS P CN104 TRANS S CN105 TH FUSE CN107 NETWORK CN108 COMMUNICATION W101 102 POWER SUPPLY W103 104 FAN CAPACITOR SW1 FUNCTION SW2 FUNCTION UNIT ADDRESS SW3 FORBIDDEN SW5 FORBIDDEN FUSE 250V 3 15A FUSE 250V 0 315A COMMUNICATION JM1 WIRELESS REMOTE CONTROLLER CUSTOM CODE JM2 F101 F402 WIRELESS REMOTE CONTROLLER CUSTOM CODE INDOOR UNIT TYPE ...

Page 23: ...N19 PRESSURE SWITCH Hi CN20 PRESSURE SWITCH Lo CN21 DISCHARGE TH CN22 H E OUTLET TH CN24 H E MIDDLE TH CN25 SUCTION TH CN26 OUTDOOR TH CN27 HEAT SINK CN28 EXT INPUT 1 CN29 EXT INPUT 2 CN30 EXT OUTPUT 1 CN31 EXT OUTPUT 1 CN33 FLUSH MAIN CN34 FLASH INV CN35 COMMUNICATION SW1 FUNCTION 1 SW2 FUNCTION 2 SW3 FUNCTION 3 SW4 FUNCTION 4 SW5 FUNCTION 5 SW6 FUNCTION 6 SW7 FUNCTION 7 SW8 F201 F202 F203 FUNCTI...

Page 24: ...temperature decreases when a larger coefficient value is used HEATING TEMPERATURE CORRECTION Coefficient value OFF ON SW1 3 SW1 4 2 deg 4 deg OFF ON 0 deg OFF 2 deg ON ON COOLING TEMPERATURE CORRECTION Coefficient value 0 deg SW2 1 ON 2 deg OFF 2 2 DIP SW 2 2 and SW 2 3 setting forbidden OFF SW2 2 DIP SWITCH SETTING 1 SW1 setting 2 SW2 setting 1 1 DIP SW 1 1 and SW 1 2 setting forbidden Factory se...

Page 25: ...3 1 SW3 2 SW3 3 AU20 AU25 AU30 AU36 AU45 AU54 SW3 setting Never change at the site Factory setting Wall mounted type OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF SW3 1 SW3 2 ON OFF ON SW3 3 AS18 AS24 AS30 ON ON ON ON ON ON ON ON ON ON ON ON SW3 1 SW3 2 SW3 3 OFF OFF OFF Other model Default 3 2 DIP SW 3 4 setting SW3 4 External input select OFF ON Edge Pulse Factory setting This switch is used t...

Page 26: ... prevention setting switch only for cassette type Set the flap angle of cassette type unit Draft prevention switch Normal position OFF SW5 4 Draft prevention position ON Flap angle Factory setting OFF Normal position Draft prevention position 35 65 25 65 Flap angle Flap angle If air conditioning cooling operation is performed in long time and a humid place there is a possibility that waterdrop may...

Page 27: ...r CN21 CN27 Input Output OPERATION DISPLAY DC12V Remarks Indoor unit type Wall mounted CN22 CN23 CN24 Other types All types CONTROL INPUT OPERATION STOP ERROR DISPLAY DC12V INDOOR UNIT FAN STATUS DISPLY DC12V See 2 4 1 for details 02 13 ...

Page 28: ... 2 SW2 setting 1 1 Fan speed setting switch Factory setting Factory setting The fan speed corresponding to each model is set with the switch OFF SW1 1 SW1 2 OFF ON ON OFF ON OFF ON AS7 AS9 AS12 AS14 OFF SW1 3 SW1 4 OFF ON ON OFF ON OFF ON AS7 AS9 AS12 AS14 OFF SW2 2 2 2 Auto restart validity invalidity The auto restart function becomes validity by changing the switch position from OFF to ON AUTO R...

Page 29: ...sconnect Type A Custom code Disconnect Disconnect Disconnect JM 2 Type B Type C Type D Factory setting Connect Remote controller A B C D Handy Type 1 Press the MASTER CONTROL button for more than five seconds to start the code change 2 Press the or button to select the desired code 3 Press the MASTER CONTROL button again to end the code change EXTERNAL INPUT AND OUTPUT Connector CN10 Input Output ...

Page 30: ...on mode Release SW 2 1 ON Operate OFF 2 2 SW 2 2 DIP SW 2 2 setting Forbidden SW2 2 OFF SW1 2 SW1 1 Test Run Remarks OFF OFF Normal operation OFF ON Cooling test run SW1 1 SW1 2 OFF OFF or ON ON ON OFF ON OFF Heating test run SW1 1 SW1 2 OFF OFF or ON ON ON OFF ON ON Normal operation SW1 3 Pump down operation Remarks OFF Release ON Operate OFF ON and be kept at ON position for more than 40 sec SW1...

Page 31: ...OFF Dip SW4 1 4 2 4 3 4 4 setting forbidden 4 SW4 setting SW4 1 OFF SW4 2 SW4 3 SW4 4 OFF OFF OFF 5 1 Cooling capacity shift switch CAPACITY SHIFT Normal mode SW5 1 SW5 2 ON Save energy mode OFF OFF OFF ON ON ON OFF High power mode 1 High power mode 2 CAPACITY SHIFT Normal mode SW5 3 SW5 4 ON Save energy mode OFF OFF OFF ON ON ON OFF High power mode 1 High power mode 2 Factory setting Factory sett...

Page 32: ...pipe length Depending on the frost condition of outdoor unit s heat exchanger under different surrounding environment the defrost start and finish temperature can be changed OFF ON SW 6 2 OFF ON Pipe length L 6 2 Dip SW 6 3 6 4 Defrost temperature shift switch Factory setting Heat pump type Cooling only type REFRIGERANT TYPE SWITCH ON Forbidden 7 3 Model code switch 7 2 DIP SW7 2 setting forbidden...

Page 33: ... EXTERNAL INPUT AND OUTPUT Refrigerant system type can be set by DIP switches 8 1 and 8 2 8 2 SW 8 3 and 8 4 SW8 3 OFF DIP SW 8 3 and 8 4 setting Forbidden ON ON OFF OFF SW8 1 System type SW8 2 ON OFF OFF ON Forbidden Forbidden VRF type Refrigerant system type Factory setting Forbidden SW8 4 OFF 9 SW201 setting 9 1 DIP SW 201 setting SW201 1 OFF DIP SW 201 setting Forbidden SW201 2 OFF SW201 3 OFF...

Page 34: ... batteries are not used all of the settings stored in memory will be deleted if there is a power failure 5 Auto change over validity invalidity Selecting auto change over validity invalidity Never turn it ON in case of heat pump AUTO CHANGE OVER Auto change over Invalidity SW5 ON Validity OFF Invalidity Validity 6 Memory backup switch BATTERY BACKUP SWITCH Battery backup DIP SW6 ON OFF 3 DIP SW3 s...

Page 35: ...or CN 27 RED 2 3 Ch 2 Ch 1 1 For Wall mounted type 2 For other types Ch1 of CN21 or CN27 1 2 3 In the case of pulse input CONNECTOR INPUT SIGNAL COMMAND OFF ON Operation Stop CN21 RED or CN27 RED 1 2 Ch1 Ch2 OFF ON On On Off Remote Controller Indoor Unit NOTE 1 The last command has priority 2 The wire connection shall be separate from the power cable line Operation Stop CN21 or CN27 1 2 On Off Ind...

Page 36: ... unit 1 2 CN 22 WHITE Operation Indicator 12V 0V Error Normal 12V 0V Fan run Fan stop 12V 0V 3 Parts Following cord service parts is required Please use the parts number shown below to order the cord from your sales representative Name and shapes Q ty Parts No 1 1 EXTERNAL INPUT WIRE EXTERNAL INPUT WIRE 9368778002 9368779009 2 Error display 3 Inter locking output with indoor unit fan EX Used for i...

Page 37: ...ration Stop 2 Output 1 Operation display CONNECTOR OUT VOLTAGE STATUS Operation 12V 0V Stop CN11 WHITE Operation Stop CN 11 Indoor unit 1 2 CN 11 WHITE Operation Indicator 12V 0V 3 Parts Following cord service parts is required Please use the parts number shown below to order the cord from your sales representative Name and shapes Q ty Parts No 1 1 EXTERNAL INPUT WIRE EXTERNAL INPUT WIRE 936877800...

Page 38: ... priority External input priority Cooling priority Heating priority CONNECTOR OUTPUT VOLTAGE STATUS CN48 BLUE Stop Operation 0V 1 Operation display This output indicates the outdoor unit s Operation status CN49 BLACK Normal Error 0V Normal 12V 0V CN49 Operation Error 1 2 CN 48 BLUE Operation Indicator P C B 12V 100mA 12V 100mA 2 4 2 OUTDOOR UNIT 02 24 3 Base heater output Turn ON when the ambient ...

Page 39: ...3 INVERTER CONTROL TM SERIES R410A ...

Page 40: ...Compressor 3 1 1 What is Inverter Inverter is the word used against Converter and it is the equipment to change DC to AC Converter Transformer To transform AC to DC Rectifier Inverter Reverse Transformer To transform DC to AC As a generic term the equipment that varies the output Frequency or Voltage is normally called as Inverter VOLTAGE CONVERSION 3 1 2 Inverter Block of Outdoor unit ...

Page 41: ... 1 4 PWM Control AC Inverter PWM Control System The motor needs a sign wave input The pulse width of the DC voltage from the converter is varied and cut out by the switching at the inverter as shown in the figure and the motor rotation is controlled by the quasi sign wave that is created by varying it to the desired average voltage DC Inverter PWM Control System By using a brush less motor the DC ...

Page 42: ...out of inverter by absorbing the noise with the coil and bypassing the high harmonic frequency with capacitor Coil It improves the primary side commercial power supply wave form power factor by removing the power supply harmonic frequency current and performs the insulation protection It is the circuit which always detects the input current The compared value to 5 V standard voltage is input to th...

Page 43: ...plied target current and the input current are compared The compared value is compacted at with the waveform the oscillator at PWM comparator The compared signal controls the switching component ON and OFF When compressor is stopped Input Voltage x Root 2 Effective Value When compressor is operated 380V This is used to remove the ripple of DC voltage that is output from the active filter It is com...

Page 44: ...ving magnetic field to the polarity In order to control the positioning detection there are several types One is the sensor type that built in the rectifier or Hall Effect Device and the other type is the one that the positioning detection is done by the reverse power force which is excited at the stator winding by the rotation Fleming s Right Hand Rule The speed of the compressor can be changed b...

Page 45: ...4 OUTDOOR UNIT OPERATION CONTROL TM SERIES R410A ...

Page 46: ...tor Thermistor Thermistor Thermistor Current trans IPM with built in sensor Transmission signal from indoor unit Dip switch Function Pressure switch Pressure switch External input RC priority Setting of priority Cooling Heating Scroll compressor Fan motor EEV coil Coil of 4 way valve Hot gas bypass Liquid injection bypass Base heater Field supply ON OFF ON OFF Transmission signal from Outdoor unit...

Page 47: ...rdance with operation of each mode During 3 minute restart prevention operation During deicing operation Failure except for a part Defrosting Oil recovery Under expansion valve initialization At protective operation Compressor stop condition When all the indoor units in no cooling requirement capacity or heating requirement capacity the compressor is stopped But in the following case the compresso...

Page 48: ...ion speed However the rotation speed of the compressor at start up is decided basing on the sum of the required refrigerant amount 4 2 2 Frequency control On stop mode 0Hz On operating mode 20Hz 101Hz Minimum running frequency 20Hz Correction The correction of control frequency of the compressor is done by the following conditions Outdoor Temperature Pipe Length Setting Capacity Shift Setting Prot...

Page 49: ... FAN TABLE Step 3 Intermittent 1 6 0 sec 8 7 sec ON OFF Step 4 Intermittent 2 ON OFF Step 5 Intermittent 3 ON OFF STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 THHM 33 THHM 44 THHM 18 THHM 42 THHM 16 THHM 16 THHM 38 THHM 36 Step change The fan speed selection during the cooling operation is performed by the condensing temperature Heat exchanger mid temperature value THHM When starting operation it starts wit...

Page 50: ...ion valve detects the discharge gas temperature value and is automatically controlled by the feed back control so that it is kept at the target value Control pulse range 100 to 500 pulses The targeted discharge temperature differs depending on the indoor operation capacity compressor rotation speed and outdoor temperature 4 5 4 WAY VALVE CONTROL It selects either cooling or heating Cooling mode OF...

Page 51: ... Others During the oil recovery operation appears on the display of wired and central remote controller and appears on the simple remote controller The operation indicators LED of the indoor units flash slowly 4 way valve OFF EEV Control Pulse FAN Fan speed is decided by the outdoor temperature and the heat exchanger mid temperature 1 Purpose of operation By removing the frost that was formed on t...

Page 52: ...ressor under the constant temperature The function for output of the base heater is valid only for heat pump type outdoor unit 1 Output of the base heater The base heater output turns ON when the outdoor unit is operated in heating mode under the outdoor temperature lower than 3 C When the outdoor temperature becomes higher than 5 C the crank case heater turns OFF The base heater shall be locally ...

Page 53: ... Compressor stopes Abnormal discharge temperature by 2times with in 20min Compressor speed is decreased by 3Hz 15min until it becomes ON Compressor stops Compressor stops Abnormal low pressure by 2times with in 40min Compressor stops Compressor stops Compressor speed is decreased by 1Hz 2sec until it becomes to the release current value Compressor stops Abnormal stop by detecting 5times within 40 ...

Page 54: ...5 INDOOR UNIT OPERATION TM SERIES R410A ...

Page 55: ...stopped the fan will rotate immediately without a delay time of 5 seconds 2 The indoor fan will stop in 30 seconds when the refrigerant circulation stops 3 The indoor fan will stop immediately when the indoor unit is stopped by pushing the stop button or by a setting of ON timer 4 When the refrigerant circulation is stopped due to a lower room temperature for more then 3 minutes the fan will rotat...

Page 56: ...nction Yes Yes Yes NO Operation flow chart START Room temp Ts 2 Room temp Ts 1 COOLING OPERATION DRY OPERATION Yes NO NO NO Cool Dry Room temp Ts 2 Refrigerant circulation stopped AUTO CHANGEOVER operation COOLING ONLY TYPE TS Setting temperature 1 When the indoor unit starts the operation at AUTO or it is switched to AUTO from other modes if the room temperature is higher than the set temperature...

Page 57: ... HEATING TEMPERATURE CONTROL time chart Manual setting During defrosting the OPERATION indicator lamp flashes 3 sec ON and 1 sec OFF and repeat The heating operation will be temporarily interrupted Indoor fan Ts Opening of EEV 100 0 Refrigerant flow ON OFF ON OFF Temperature Ts 0 5 C TR 3Min Ts Corrected setting temperature TR Corrected room temperature Indoor fan Ts Opening of EEV 100 0 Refrigera...

Page 58: ... air direction flaps or RIGHT LEFT air direction louvers At tempting to move them manually could result in improper operation in this case stop operation and restart The louvers should begin to operate properly again During use of the Cooling and Dry modes do not set the UP DOWN air direction flaps in the position of for long periods of time since water vapor may condense near the outlet port and ...

Page 59: ...or lamp are applicable to CASSETTE TYPE WALL MOUNTED TYPE and COMPACT WALL MOUNTED TYPE Begin air conditioner operation before performing this procedure To select Vertical airflow SWING Operation This instructions are applicable to CASSETTE TYPE WALL MOUNTED TYPE and COMPACT WALL MOUNTED TYPE 1 4 1 1 2 3 4 5 05 05 1 2 3 4 5 Press the VERTICAL SWING button for more than two seconds The remote contr...

Page 60: ... lamp orange and indoor unit s SWING indicator lamp HORIZONTAL SWING orange will light up In this mode the RIGHT LEFT air direction louvers will swing automatically to direct the airflow both right and left To stop Horizontal airflow SWING Operation Press the HORIZONTAL SWING button for more than two seconds once and again The remote controller s HORIZONTAL SWING lamp and indoor unit s SWING indic...

Page 61: ...ERATION 1 When cooling and refrigerant circulation starts the drain pump starts simultaneously 2 The drain pump operates continuously for 3 minutes after the refrigerant circulation stopped 3 When the refrigent circulation is stopped by a start of indoor heat exchanger frost provention operation the drain pump will turn off in 1 hour after the end of indoor heat exchanger frost provention operatio...

Page 62: ...you press the ENERGY SAVE button while the unit is in the timer mode ON timer or WEEKLY timer the unit will go into the conservation mode when the unit starts with the timer If you turn off the air conditioner while in the conservation mode the mode will be shut off When Heating After the ENERGY SAVE button is pressed the set tempera ture will be lowered about 1 C every 30 minutes When it has lowe...

Page 63: ...peration TA and TB are selected by DIP SW DIP SW 5 3 TA TB OFF ON 1 4 7 8 5 6 4 Cold Air blowing protection control During the heating operation the cold air blowing is protected The indoor fan operation is limited at the starting the heating mode when the heat exchanger middle temperature is higher than 27 C 5 6 5 Defrosting Operation Oil Recovery Operation Defrosting Operation It prevents the he...

Page 64: ... heater of the indoor unit Heating operation Room temperature Setting temperature 3 C During fan is in operation Heater output is ON Heater output ON OFF Cold air blowing protection is activated Room Temperature TS TS 1 TS 3 Room temperature Setting temperature 1 C Heater output is OFF ...

Page 65: ...s Instructions relating to heating are applicable only to HEAT COOL MODEL Reverse Cycle The timer functions cannot be used when this controller is used together with the Remote Controller Wired type A beeping sound is made when a signal is received To set the ON OFF timer 1 2 Adjust the OFF or ON time About 5 seconds later the entire display will reappear Select OFF TIMER or ON TIMER RESET OFF TIM...

Page 66: ... TIMER or OFF TIMER 2 Press the DELETE button to cancel the timer mode The timer mode can also be canceled by changing the timer mode using the TIMER MODE button 1 CLOCK ADJUST NON STOP OFF TIMER ON TIMER WEEKLY TIMER No display SU MO TU WE TH FR SA Press the SET TIME buttons to set the time After the time is set the timer will start automatically The amount of time until the OFF timer operates th...

Page 67: ...ds or more to com plete the weekly timer set tings SET To delete the operating time DELETE If the DELETE button is pressed during steps 3 or 4 the operating time for the selected day will be deleted If all the days are selected the operating times for all of the days will be deleted SET ON 1 OFF 1 ON 2 OFF 2 ex The timer is set for 7 00 18 00 Instructions related to heating are applicable to HEAT ...

Page 68: ...Setting day Preceding day Next day Setting day Preceding day Next day 3 The DAY OFF setting can only be set one time The DAY OFF setting is cancelled automatically after the set day has passed mark Indicates the DAY OFF ON OFF ON OFF DAY OFF WEEKLY WEEKLY WEEKLY WEEKLY ON OFF ON OFF DAY OFF NOTES 1 PRECAUTIONS DURING WEEKLY TIMER SET UP Setup is not possible in the following cases so amend the tim...

Page 69: ...as 10 12 and 14 C cannot be set depending on the model SU MO TU WE TH FR SA 3 6 9 12 15 18 21 DAY OFF DAY 1 3 SET 2 SET 4 SU MO TU WE TH FR SA 3 6 9 12 15 18 21 ex When setting all days together Temperature setting Press the SET TEMPERATURE button to set the temperature from 10 C to 30 C ex Operating time 15 00 22 00 5 Repeat steps 3 and 4 Press the SET button for 2 seconds or more to com plete th...

Page 70: ...6 TROUBLE SHOOTING TM SERIES R410A ...

Page 71: ...eration lamp red Timer lamp green Operation lamp red Timer lamp green Operation lamp red Test run 1 Stop Defrosting operation Heating operation or Oil recovery operation 2 Note Indicator lamps are on the front panel of the indoor unit 1 If a power failure occurred the lamps of operation and timer flash on and off alternately when the power returns 2 While the indoor fan motor stops the operation l...

Page 72: ...NGER IN THERMISTOR ABNORMAL ROOM TEMPERATURE THERMISTOR ABNORMAL POWER SUPPLY FREQUENCY ABNORMAL MODEL INFORMATION ABNORMAL SERIAL Signal ABNORMAL INDOOR UNIT EEPROM ACCESS ABNORMAL CONTENTS E 00 E 0A E 18 E 18 E 11 E 0A E 06 E 09 E 04 E 02 E 1F E 06 ERROR CODE 8 OFF 4TIMES Flashing 2 1TIME Flashing 0 1SEC ON OFF 1 1TIME Flashing 0 1SEC ON OFF 11 OFF 6TIMES Flashing 10 4TIMES Flashing 5TIMES Flash...

Page 73: ...tion Oil recovery operation Defrosting operation Test run Pump down completed Display Method Lighted continuously 0 5sec ON 0 5sec OFF flashing Flashing times 1 2 1 2 3 4 5 6 7 8 2 2 2 1 2 3 2 1 2 4 Outdoor printed circuit board layouts 0 5sec 0 5sec 5sec ON OFF ON OFF LED 1 LED 2 6 Operation display SV1 open SV2 open Compressor rotation speed protection 6 2 1 NORMAL OPERATION DISPLAY 6 2 OUT DOOR...

Page 74: ...error Pump down error Discharge temperature error Pump down error Other Discharge temperature thermistor error Heat exchanger Outlet temperature thermistor error Heat exchanger Center temperature thermistor error Suction temperature thermistor error Outdoor temperature thermistor error Pressure switch 1 error Pressure switch 2 error Compressor rotor location detection error Electric current trip e...

Page 75: ...d EE EE will be displayed 1 If the operation lamp is on then press button to turn it off 2 Press the and the buttons at the same time for more than three seconds to start the self diagnosis check An error code will be displayed display area 3 Press the and the buttons again for more than three seconds to end the self diagnosis check Error code history can be displayed Please refer to Installation ...

Page 76: ...trical component of indoor unit Check Point 2 Check Electrical Component of Indoor Unit Check Point 2 Check Electrical Component of Indoor Unit Check connection removal incorrect wiring of all the connectors Check if short mark or corrosion is on PCB Replace Control PCB and set up the original address then check the normal operation Check Point 1 Check Power supply Check Point 1 Check Power supply...

Page 77: ...ncorrect wiring of connection cable and replace the FUSE If only certain indoor unit shows abnormal indication Check Point 1 Check Connection cable Check Point 1 Check Connection cable Check if the restarts by turning ON the power again Check connection cable 1 Check Loose screw Removed Cable on Terminal 2 Check the connection of terminal connection of L N 3 to Control PCB If all system shows abno...

Page 78: ...t of Cause Forecast of Cause 1 Power supply circuit Voltage drop Noise 2 Indoor unit electrical parts defective Check Point 1 Check Power supply Check Point 1 Check Power supply Check external cause Power supply Instant Drop Check if there is an electric equipment with a large load in the same circuit Instant Power Outage Check if there is a defective contact or leakage in the power supply Noise C...

Page 79: ...iring loose wiring of connection cable If there was an incorrect wiring or loose wiring turn off the breaker and then repair Check Point 2 Check Point 2 1 Check connection of POWER CORD 1 Check connection of POWER CORD Check Cable Breaker Check if any loose connection or removal of cable Check Point 2 Check Point 2 2 Check Electrical Component of Indoor Unit 2 Check Electrical Component of Indoor ...

Page 80: ...lace the thermistor is it was open or short then turn on the main power 6 5 35 8 0 30 10 0 12 5 15 8 20 1 25 2 33 6 Resistance Value k k 25 20 15 10 5 0 Temperature 3 5 4 3 5 3 Resistance Value 50 45 40 Temperature Check Point 3 Check DC5 0V of Control PCB voltage Check Point 3 Check DC5 0V of Control PCB voltage Check each indoor unit circuit diagram and check the voltage at both terminal of ther...

Page 81: ...sh Flash Swing LED 1 time Blink 1 time Blink Outdoor Unit LED1 Flash LED6 1 8TIMES Blink Indoor Unit address ERROR CODE E 06 E 06 Forecast of Cause Forecast of Cause 1 Connector connection failure 2 Thermistor failure 3 Control PCB defective Check Point 1 Check the installation work Check Point 1 Check the installation work Removed connector Incorrect wiring Thermistor cable is cut off When rework...

Page 82: ...mer LED Flash Flash Swing LED 2 time Blink 2 time Blink Outdoor Unit LED1 Flash LED6 1 8TIMES Blink Indoor Unit address ERROR CODE E 0A E 0A Forecast of Cause Forecast of Cause 1 Connector connection failure 2 Thermistor failure 3 Control PCB defective Check Point 1 Check the installation work Check Point 1 Check the installation work Removed connector Incorrect wiring Thermistor cable is cut off ...

Page 83: ...r shorted wiring If wire is abnormal replace the float switch Check Point 3 Check Control PCB Check Point 3 Check Control PCB Check Point 1 Check Float SW Check Point 1 Check Float SW Check the float switch operation if it is caught by drip or a stop Remove the float switch and check ON OFF switching function by detective with a mater If the float switch is defective replace it If above Check 1 2 ...

Page 84: ...ck also When reworking on loose connector incorrect wiring keep the power shut down Indicate or Display Indicate or Display Indoor Unit Operation LED 5 Times Blink 5 Times Blink Timer LED Flash Flash Swing LED 1Time Blink 1Time Blink Outdoor Unit LED1 Flash LED6 1 8TIMES Blink Indoor Unit address ERROR CODE E 18 E 18 Trouble shooting 10 INDOOR UNIT INDOOR UNIT Error Method Error Method COMMUNICATI...

Page 85: ...oil Check Point 2 Check Motor Coil Check Indoor Fan Motor PARTS INFORMATION 13 PARTS INFORMATION 13 15 15 If Fan motor is abnormal replace it Check Point 3 Check Point 3 Motor protection is activated by excessive increase of surrounding temperature Motor protection is activated by excessive increase of surrounding temperature increase of surrounding temperature Rework if the temperature is abnorma...

Page 86: ...fter 24 hours check that pressure has not fallen Note When the ambient temperature changes by 5 deg the test pressure changes about 0 07Mpa When the refrigerant is recharged make sure to perform the vacuuming and charge the originally specified amount Check Point 4 Check Point 4 Check for Outdoor Unit fan control PCB Check for Outdoor Unit fan control PCB Check the fan hand and check if it turns n...

Page 87: ...igerant Check Point 3 Check Out of Refrigerant Check if the refrigerant amount is proper by measuring Gas pressure Condensation temp Refrigerant Pressure Chart Refer Service manual 8 4 2 When the refrigerant is recharged make sure to perform the vacuuming and charge the originally specified amount Indicate or Display Indicate or Display Indoor Unit Operation LED Flash Flash Timer LED 3 Times Blink...

Page 88: ...1 Flash Flash LED2 8 8 Time Times s Blink Blink ERROR CODE E 32 Check Point 1 Check valve opening Check Point 1 Check valve opening If the valve was closed open it and check the condition Check Point 3 Check Point 3 Check around Pressure SW 2 Check around Pressure SW 2 Check removed connection or cable cut off Check around Pressure SW 2 PARTS INFORMATION 8 PARTS INFORMATION 8 Replace Pressure SW2 ...

Page 89: ...Check around Outdoor unit EEV1 PARTS INFORMATION 10 PARTS INFORMATION 10 If Outdoor unit EEV1 is defective replace it Check Point 3 Check Out of Refrigerant Check Point 3 Check Out of Refrigerant Check if the refrigerant amount is proper by measuring Gas pressure Condensation temp Refrigerant Pressure Chart Refer Service manual 8 4 2 When the refrigerant is recharged make sure to perform the vacuu...

Page 90: ...2 Error detection by defective mounting thermistor or cut off Error detection by defective mounting thermistor or cut off Thermistor came off the holder Check if the cable is caught in etc Check the thermistor characteristics Trouble shooting 17 Trouble shooting 17 If the thermistor is abnormal replace the thermistor Check Point 6 Check EV KIT Check Point 6 Check EV KIT Check around EV KIT PARTS I...

Page 91: ...nish the pump down and check the error contents by normal operation Release the pump down Dip SW 1 3 ON and start normal operation If error occurs during the normal operation check each error condition Trouble shooting 17 OUTDOOR UNIT OUTDOOR UNIT Error Method Error Method PUMP DOWN ABNORMAL Others error Indicate or Display Indicate or Display Indoor Unit Operation LED Flash Flash Timer LED 3 Time...

Page 92: ...21 measure the thermistor resistance Thermistor characteristics Approx If its open or short replace the thermistor and turn on the main power Check Point 3 Check control PCB CN21 Voltage DC 5 0V Check Point 3 Check control PCB CN21 Voltage DC 5 0V If CN21 voltage can not be measured replace Control PCB 12 5 60 18 1 50 26 9 40 8 8 70 41 1 64 5 81 8 105 135 176 Resistance Value k 30 20 15 10 5 0 Tem...

Page 93: ...n LED Flash Flash Timer LED 3 Times Blink 3 Times Blink Swing LED 3 Times Blink 3 Times Blink Outdoor Unit LED1 Flash Flash LED3 4 4Times Blink Times Blink ERROR CODE E 32 Forecast of Cause Forecast of Cause 1 Connector wiring defective 2 Thermistor defective 3 Control PCB defective Check Point 1 Check Point 1 Checking wiring of Connector CN22 Checking wiring of Connector CN22 Loose connector Inco...

Page 94: ...on keep the power shut off Check Point 2 Remove CN24 measure the thermistor resistance Check Point 2 Remove CN24 measure the thermistor resistance Thermistor characteristics Approx If its open or short replace the thermistor and turn on the main power Check Point 3 Check control PCB CN24 Voltage DC 5 0V Check Point 3 Check control PCB CN24 Voltage DC 5 0V If CN24 voltage can not be measured replac...

Page 95: ...heck Point 1 Check Point 1 Checking wiring of Connector CN25 Checking wiring of Connector CN25 Loose connector Incorrect wiring Thermistor cable is cut off When reworking on the loose connector erroneous connection keep the power shut off Check Point 2 Remove CN25 measure the thermistor resistance Check Point 2 Remove CN25 measure the thermistor resistance Thermistor characteristics Approx If its ...

Page 96: ...ncorrect wiring Thermistor cable is cut off When reworking on the loose connector erroneous connection keep the power shut off Indicate or Display Indicate or Display Indoor Unit Operation LED Flash Flash Timer LED 3 Times Blink 3 Times Blink Swing LED 3 Times Blink 3 Times Blink Outdoor Unit LED1 Flash Flash LED3 11 11Times Blink Times Blink ERROR CODE E 32 Detective Actuators Detective Actuators...

Page 97: ...s Blink 3 Times Blink Outdoor Unit LED1 Flash Flash LED4 1 1Time Blink Time Blink ERROR CODE E 32 Trouble shooting 24 OUTDOOR UNIT OUTDOOR UNIT Error Method Error Method PRESSURE SW1 ABNORMAL Detective Actuators Detective Actuators Pressure SW 2 OPEN Detective details Detective details When Pressure SW2 became OFF OPEN at the power ON Estimated details Estimated details 1 Pressure SW 1 Defective 2...

Page 98: ...int 1 Check the electrical parts connection Check the electrical parts connection Check the connection of CN15 16 between TR PWB ASSY and Control PCB Check if incorrect wiring is done at the U V W terminal between TR PWB ASSY and Compressor If abnormal connection is found correct the connection P U V W N TR PWB ASSY shows the terminal of the meter Outdoor unit grille side Check Point 2 Check Point...

Page 99: ...W terminal and the main unit If it is shorted the compressor is defective Check the cut off between each U V W terminal If it is open the compressor is defective Caution When the Compressor is defective If the defect was due to oil leakage check if there is any leak at the piping Indicate or Display Indicate or Display Indoor Unit Operation LED Flash Flash Timer LED 3 Times Blink 3 Times Blink Swi...

Page 100: ...ode bridge Check Point 3 Check Diode bridge Remove the connector and measure the resistance value at each terminal by following procedure Check Diode bridge PARTS INFORMATION 3 PARTS INFORMATION 3 Check Point 4 Check Reactor Coil Check Point 4 Check Reactor Coil Remove the connector and check if each terminal is open or if there is a short circuit in the electrical box Indicate or Display Indicate...

Page 101: ... replace TR PWB ASSY Check Point 1 Connection of electrical parts Check Point 1 Connection of electrical parts Check if each electrical parts are connected correctly Check if Connector CN14 between TR PWB ASSY and control PCB Check if TR PWB ASSY has a corrosion or shorted mark Rework if connector is incorrectly wired or loose Replace TR PWB ASSY if any abnormal condition is found on PCB P U V W N...

Page 102: ...ic equipment with a large load in the same circuit Instant Power Outage Check if there is a defective contact or leakage in the power supply Noise Check if there is any equipment that cause the harmonic wave near the power line Neon tube or Electric equipment that harmonic wave Check that the grounding is completely insulated Indicate or Display Indicate or Display Indoor Unit Operation LED Flash ...

Page 103: ...nnection removal and incorrect wiring of all the connectors Check if any shorted mark or corrosion on PCB When Control PCB is defective replace it If Dip SW was changedconduct resetting DIP SW Check Point 1 Check Point 1 2 Check Power supply 2 Check Power supply Check external cause Power supply Instant Drop Check if there is an electric equipment with a large load in the same circuit Instant Powe...

Page 104: ...le incorrect wiring loose connection etc If there is incorrect or loose wiring turn off the breaker and conduct rework Check Point 2 Check Point 2 1 Check Power cord Connection 1 Check Power cord Connection Check Point 2 Check Point 2 2 2 Check Outdoor Unit electrical components Check Outdoor Unit electrical components Check connection removal and incorrect wiring of all the connectors Check if an...

Page 105: ...ndoor unit by branch from Outdoor unit Indoor unit is connected between the commercial power source and Outdoor unit Indoor unit is connected by branching out the terminal board Check Point Check Point Check incorrect wiring or connection of the connection cable bet Check incorrect wiring or connection of the connection cable between Outdoor unit ween Outdoor unit Indoor unit Indoor unit 1 2 3 1 2...

Page 106: ...heck the wiring of Out door Unit Power PCB CN201 Communication connector 2 Check the wiring of Outdoor Unit Power PCB TM 203 RED and check FUSE F202 3 Check the wiring of Indoor Unit terminal 4 Check the wiring of Indoor Unit Signal PCB and FUSE F201 N 3 1 L 2 3 1 3 1 3 2 2 1 2 3 4 Check Point Check Address Setting operation Check Point Check Address Setting operation 1 Power supply ON 2 Each Indo...

Page 107: ...Terminal FUSE Only for Wall mounted and Cassette Type If it is NG check the the material and dielectric voltage and replace Thermal FUSE 1 Check above items 1 through 7 2 Check the insulation between terminal 1 2 of Outdoor unit If it is NG remove the connection cable from the terminal Indoor unit and trace the abnormal condition Check Point 1 Check Point 1 2 Check Power supply 2 Check Power suppl...

Page 108: ...f another abnormal is found replace Control PCB Check Point 4 Check Point 4 Check Check Outdoor unit Controller PCB Outdoor unit Controller PCB VA202 VA203 P No 0000361224 F201 P No 0600222512 F203 P No 0600385163 VA201 P No 0000361101 Forecast of Cause Forecast of Cause 1 Relation of installation construction 3 Check the partsaround Filter PCB 1 Use of specified material 1 Check Power Relay 2 Che...

Page 109: ...ireless Remote Controller 1 Incase of Wireless Remote Controller Check the Indoor unit operation by the remote control operation Remote control receiving Check NG Check the wiring of the cable between Remote control Main unit Control PCB Check address setting Address Duplication check press START STOP at the some time Current Address indicate NG If the address is duplicated conduct the address set...

Page 110: ... 4 Check DIP SW setting Check DIP SW setting Dip SW6 1 2 PIPE LENGTH Dip SW7 1 to 4 Model Information Refer 2 3 2 Function of Each Setting Check Point 5 Check Out of Gas or Gas Leak of Refrigerant Check Point 5 Check Out of Gas or Gas Leak of Refrigerant Conduct Leak Check at Piping connection Check if the refrigerant amount is proper by measuring Gas pressure Condensation temp Refrigerant Pressur...

Page 111: ...ing of Insulation material Does the thickness of insulation material proper against humidity Humidity Over 80 Recommended insulation material 20mm Humidity 70 to 80 Recommended insulation material 15mm Check Point 1 Check Point 1 3 Check Piping 3 Check Piping Check EV KIT Check if there is a gap on insulation material at EV KIT installation position Check if the wire of SOLENOID COIL is trapped Ch...

Page 112: ...stalled piping Installed piping When the liquid Pipe diameter is large a refrigerant rushing sound will be generated and when the diameter is small capacity will be insufficient Check the design of piping installation Check Point 3 Check Point 3 1 1 Installation Installation Check if sound will stop when touch the unit by the hand Check installation of indoor unit Check the grill contact with the ...

Page 113: ... the operation another indoor unit is already performing at cooling heating selection type or HEAT operation at a cooling only unit is commanded operation cannot be performed at that setting Buzzer buzzes 5 times and setting is not received Operation before setting continues After cooling operation stops the drain pump is operated Remains for 3 minutes Flowing liquid sound during operation A sound...

Page 114: ...inal resistance of CT CN11 to controller PWB Resistance value 110 about If the resistance value value is abnormal replace Filter PCB P No 9705256019 Filter PCB 6 6 SERVICE PARTS INFORMATION 06 44 Check Point 3 Check voltage of CT detection current Reference CN202 Filter PCB Controller PCB CN11 Voltage value mV Detection Current A 400 561 737 948 1187 5 6 6 9 8 4 10 0 12 0 Voltage value mV Detectio...

Page 115: ...ORMATION 2 Main Relay Check Point 1 Check the circuit connection and Coil in relay Check Point 1 Check the circuit connection and Coil in relay Check the connection of each terminal COM ON PWB ASSY Resistance Value 120 About If it is 0 OPEN replace Diode block CN12 Check Point 2 Check relay operation during normal operation Check Point 2 Check relay operation during normal operation 1 If Relay doe...

Page 116: ...f compressor operating is less than the output voltage of compressor stopping Active Filter Module is detective Replace Active Filter Module Terminal Resistance value L2 L1 L1 L2 P P Control Box N1 N1 Tester Tester Check the open or short circuit L2 P P N2 L2 L2 Check the diode 0 360k 720k 1 65M 20 360k 20 20 Ref value 1 1 14M Ref value 2 1 01M Ref value 1 761k Ref value 2 Terminal Resistance valu...

Page 117: ...main PWB CN16 IPM Power supply If the voltage does not appear replace Control PCB 2 Check the voltage at Trip Terminal To Check TR PWB Remove the connector CN14 between TR PWB ASSY Control PCB Check DC 5V between terminal 1 2 2 3 of CN14 Connector side P U V W N TR PWB ASSY 1 9 1 BROWN DC 5 0V 2 RED GND 3 ORANGE Lo DC5V Outdoor unit grille side 06 47 shows the terminal of the meter 14 15 N N W V 1...

Page 118: ...mpressor ASSY Check Point 4 Check condition of cooling Test Operation Check Point 4 Check condition of cooling Test Operation 30rps 50rps 30sec 180sec Check Compressor speed at Test Operation P U V W N TR PWB ASSY Permanent Magnet is 6 polar Permanent Magnet is 6 polar 1cycle is 3 Hz 1cycle is 3 Hz Check Point 2 Check Operation Check Point 2 Check Operation Check Pressure when compressor operate 1...

Page 119: ...al replace Fan motor Check open short of the coil in Fan Motor P No 9601705017 Motor induct Control signal Check Point 3 Check Fan motor Power supply Check Output voltage of CN2 As stand by check AC220V 20V between CN2 2 CN1 2 If it is 0 V check the connection of AC IN CN1 or Power supply Check Point 4 Check around Fan motor Check if there is an obstruction of air flow route to Fan Motor Too close...

Page 120: ...d check continuity between terminals Normal When pipe is connected SHORT Check Point 2 Check the power supply voltage to Pressure SW Check Point 2 Check the power supply voltage to Pressure SW If DC 5 0V does not appear replace Control PCB Check the voltage DC 5 0V between 1 2 of CN19 or CN20 Hi pressure Hi pressure Lo pressure Lo pressure ON 0 35 0 05Mpa OFF 0 2 0 05Mpa OFF 4 2 0 1Mpa ON 3 2 0 15...

Page 121: ...e In TEMP Hi Pipe Out TEMP Normal Pipe In TEMP Pipe Out TEMP AC AC SOLENOID COIL SOLENOID COIL Normal Operation Protection Function Pressure Balance condition 3ST If the location of valve is not proper replace the valve Check the temperature difference between inlet and Out of the piping if it is function normal depending on the normal operation control condition Check Point 4 Check when Bypass ca...

Page 122: ...ge If there is 0V replace main PWB If the resistance value is abnormal replace Control PCB P No 9900170028 VALVE P No 9900190019 Electric COIL Pipe In Pipe Out Hi TEMP Normal TEMP CLOSE Example Hot GUS Pipe In Pipe Out Hi TEMP Hi TEMP OPEN Example Hot GUS Check Point 6 Check Point 6 Check Operation of solenoid valve check Open Close operation Check Operation of solenoid valve check Open Close oper...

Page 123: ...al TEMP CLOSE Example Hot GUS Pipe In Pipe Out Hi TEMP Hi TEMP OPEN Example Hot GUS Check Point 6 Check Point 6 Check Operation of solenoid valve check Open Close operation Check Operation of solenoid valve check Open Close operation by temperature difference by temperature difference Pipe In Pipe Out Check Point 7 Check Point 7 Check clogging of strainer Check clogging of strainer Pipe In Pipe Ou...

Page 124: ...ue 1 6K If it is Open or abnormal resistance value replace Solenoid Coil Heating Operation Heating Operation Cooling Operation Cooling Operation AC AC SOLENOID COIL 4WAY VALVE SOLENOID COIL 4WAY VALVE Check each piping temperature and confirm the location of the valve by the temperature difference If the valve location is not proper replace 4 way valve HOT GAS HOT GAS HOT GAS HOT GAS Check Point 4...

Page 125: ...eck Point Check Point AR 12 14 P No 9601723011 AR 12 14 P No 9601723011 Check each winding resistance of Motor Low Blue Med Violet Hi Red Black White AC Thermal protector 140 90 7 8 Violet Blue 90 7 8 Red Violet 192 7 8 Red Black White Red Read wire 597 2 8 Resistance value 20 Check Point Check Point AR 18 22 P No 9601723028 AR 18 22 P No 9601723028 Check each winding resistance of Motor Low Blue ...

Page 126: ...eck Point Check Point AU 12 14 P No 9601040019 AU 12 14 P No 9601040019 Check each winding resistance of Motor Low Blue Med Violet Hi Red Black White AC Thermal protector 140 103 8 Violet Blue 103 8 Red Violet 541 8 Red Black White Red Read wire 455 8 Resistance value 20 Check Point Check Point AU 18 P No 9601040026 AU 18 P No 9601040026 Check each winding resistance of Motor Low Blue Med Violet H...

Page 127: ...g resistance of Motor Yellow Black White AC Thermal protector 136 136 8 White Yellow Black Yellow Read wire 138 8 Resistance value 20 Check Point Check Point AS18 24 24 9601388012 9601388012 Check each winding resistance of Motor Lo Blue Yellow Hi Red Black White AC Thermal protector 140 277 8 Blue Red 21 8 Black Blue Red White Read wire 129 8 Resistance value 20 06 57 ...

Page 128: ...7 INSTALLATION TM SERIES R410A ...

Page 129: ... 35mm liquid pipe x 0 02 kg m m kg The amount of additional charge C kg C 1 1 8 kg Example When the liquid pipe length 9 52mm 35m 6 35mm 20m Additional charge of pipe length is 35 m x 0 06 kg m 20 m x 0 02 kg m 1 8 kg 0 7 kg 1 When adding refrigerant follow the formula below If the result of 1 is more than 0 add the refrigerant according to the result If less or equal there is no need to add the r...

Page 130: ... 9 52 9 52 9 52 6 35 6 35 6 35 6 35 Example 1 1 AR7 2 15 2 15 2 15 2 15 2 15 2 15 2 15 2 15 AR7 AR7 AR7 2 3 4 AR7 5 AR7 6 AR7 7 AR7 8 Total capacity 1 Refrigerant system Outdoor unit Indoor unit Indoor unit Indoor unit Indoor unit 1 2 3 4 Indoor unit Indoor unit Indoor unit Indoor unit 5 6 7 8 A B 6 35 9 52 9 52 22 8 Capacity kW Example 2 Capacity kW AR9 AR9 AR9 AR9 AR9 AR12 AR12 AR12 2 80 2 80 2 ...

Page 131: ... separation tube a 10m 60m actual pipe length From the first separation tube to the farthest indoor unit b c k 35m 40m actual pipe length Liquid pipe mm Additional refrigerant 0 06 0 02 kg m 9 52 6 35 Liquid pipe length m 35 55 Additional refrigerant 0 06 x 35 0 02 x 55 1 8 1 4 kg Pipe length B Pipe length Selection of separation tube and header Additional charge Difference in height between outdo...

Page 132: ...nit A 1 2 3 4 Outdoor unit a e 35m Pipe length 100m actual pipe length a b c d e 70 Difference in height between outdoor unit and indoor unit maximum 30m Difference in height between the highest and the lowest indoor unit maximum 5m From outdoor unit to the first header tube a 20m 60m actual pipe length From the first header tube to the farthest indoor unit e 15m 40m actual pipe length 115m total ...

Page 133: ...f header Additional refrigerant Model name UTR HD546U A 0 06 x 20 0 02 x 50 1 8 0 4 kg Pipe length Liquid pipe mm Additional refrigerant 0 06 0 02 kg m 9 52 6 35 Liquid pipe length m 20 50 Additional charge 07 05 ...

Page 134: ... Difference in height between outdoor unit and indoor units maximum 30m Difference in height between the highest and the lowest indoor unit maximum 5m From outdoor unit to the first separation tube a 10m 60m actual pipe length From the first separation tube to the farthest indoor unit b i 30m 40m actual pipe length Example 1 Example 2 1 AS12 AS18 AS18 AS18 AR9 AR9 2 3 4 AR9 5 AR9 AR14 AR14 AR14 AR...

Page 135: ... UTR BP54U UTR BP54U UTR HD546U C 0 06 x 35 0 02 x 49 1 8 1 28 kg Pipe length Selection of separation tube and header B A Liquid pipe mm Additional refrigerant 0 06 0 02 kg m 9 52 6 35 Liquid pipe length m 35 49 Additional charge 07 07 ...

Page 136: ...h unit either cut it out or use the reducer 7 Keep the permissible length of every piping limitation to prevent a defect or cooling heating failure 8 When replacing the unit never use piping which has been used for previous installations Only use the new piping 1 Confirm that there are not scratches or waster etc on the flare and union surface 2 When using lubrication oil on the inside and outside...

Page 137: ...e ADDITIONAL CHARGE 6 Additional charge 1 Be careful don t charge with wrong refrigerant 2 When moving and installing the air conditioner do not mix gas other than the specified refrigerant inside the refrigerant circuit 3 When charging the refrigerant always use an electronic balance for refrigerant charging to measure the refrigerant by weight 4 Always charge from the liquid phase side whose com...

Page 138: ... pipe Viewed from A Viewed from A 10 to 10o 10 to 10o Viewed from B 3 Take a level After the pipe welding and insulation use a level again to make sure that the header is positioned as shown in the figure above and then secure it in place Gas pipe 7 Precautions on Header installation Since necessary performance may not be obtained due to the mounting angle header installation is specified as follo...

Page 139: ... immediately operation mode Stop SW1 3 ON OFF Close the liquid pipe valve 3 way valve and then set SW1 3 OFF ON Stand by 40s after the setting of the SW1 3 OFF ON Compressors Operation Fan Hi All compressors stop Pump down error indicate Compressors operation Fan Hi Flashing Close the gas pipe valve ball valve and then set SW1 3 ON OFF 7 4 1 Procedure of the pump down 7 4 2 A Flow chart of pump do...

Page 140: ...8 REFRIGERANT CAUTION R410A TM SERIES R410A ...

Page 141: ...e port side are possible to open and close at the same time Thermistor vacuum gauge Fig 4 15 To remove moisture from the refrigerating cycle complete ly it is necessary to perform appropriate vacuum drying For that reason vacuum conditions can be confirmed cer tainly Vacuum valve Fig 4 16 This valve builts in a check valve and it is easily possible to vacuum a refrigerating cycle or check for degr...

Page 142: ...e existing for R22 pipes Be sure to use new pipes when replacing conventional R22 model with HFC R407C R410A model If you use existing pipes it may cause resolution of compressor oil by remaining mineral oil 3 8 15 88mm R410A 22 29 19 7 25 R22 R407C R22 R407C R22 R407C 19 4 23 20 27 3 4 19 05mm R410A 24 36 24 29 R22 R407C 23 7 29 24 Material Nominal diameter in 1 4 3 8 1 2 5 8 3 4 6 35 9 52 12 70 ...

Page 143: ...Do it always from the liquid phase side Don t charge from the gas phase side Compressor oil is changed Enclosed amount 1700cc Be careful to handle synthetic oil since it resolves easily by moisture and contamination Don t mix new synthetic oil and mineral oil It may cause trouble Using specified synthetic oil POE oil MEL56 for J series since HFC refrigerant doesn t dissolve in mineral oil for R22 ...

Page 144: ...e frow It is necessary to use the vacuum pump which can obtain the high vacuum condition Precaution on Tools Feature 2 New Refrigerant has Approx 1 6 times higher pressure than previous refrigerant R410A High Pressure Different point from previous one Diameter of Service port has been changed from 1 4 Flare to 5 16 Flare It requires the gauge manifold and charge hose exclusively for R410A It requi...

Page 145: ... is HFC Phase out schedule of HCFC according to Montreal protocol 1996 2010 2000 2004 2015 2020 2030 60 40 20 100 Year 80 65 35 10 0 5 started control only service use total abolition 100 HCFC consumption of 1989 CFC consumption of 1989 x 2 8 0 ...

Page 146: ...ODP chemical compound including chlorine and hydrogen ODP 0 02 01 HCFC Hydro Chloro Fluoro Carbon For example R22 for air conditioner R134a for Car air conditioner HFC3 Hydro Fluoro Carbon R407C for air conditioner Refrigerant characteristics R22 Composition wt R22 100 Boiling Point 40 8 Behavior Pressure at 54 5 C kPa 2 151 Temperature Glide deg 0 ODP 0 055 R407C 23 25 52 43 6 zeotrope 2 262 5 4 ...

Page 147: ...3 2 45 42 1 2 55 43 8 2 60 44 6 2 65 45 3 2 70 46 1 2 75 46 8 2 80 47 6 2 85 48 3 2 90 49 0 2 95 49 8 3 00 50 5 3 05 51 2 3 10 51 9 3 15 52 6 3 20 53 2 3 25 53 9 3 30 54 6 3 35 55 3 3 40 55 9 3 45 56 5 3 50 57 1 2 55 57 8 3 60 58 4 3 65 59 0 3 70 59 6 3 75 60 2 3 80 60 8 3 85 61 4 3 90 52 0 3 95 62 5 4 00 63 1 4 05 63 6 4 10 64 2 4 15 64 8 Temp C Pressure Mpa 39 2 27 40 2 32 41 2 38 42 2 44 44 2 5...

Page 148: ...cing COMPRESSOR Use better grade of material for sliding parts for securing good lubrication of sliding part as HFC refrigerant does not contain chloride Review insulating materials Increase pressure resistance strength CAUTION During storage due care must be taken so that foreign matters such as dust and water do not enter HEAT EXCHANGER Review the water contaminants controlling level Use thinner...

Page 149: ...9 APPENDING DATA1 UNIT TM SERIES R410A ...

Page 150: ...valve Strainer Solenoid valve Heat exchanger 3 way valve Thermistor TH D TH HO TH O TH IA TH S TH HI TH HMI TH HMO Discharge thermistor H E outlet thermistor Outdoor temp thermistor Indoor Room temp thermistor Suction thermistor H E inlet thermistor H E indoor middle thermistor H E outdoor middle thermistor LPS HPS Low pressure switch High pressure switch OUTDOOR UNIT TH HMI TH HMI SV2 9 APPENDING...

Page 151: ...Indoor Room temp thermistor Suction thermistor H E inlet thermistor H E indoor middle thermistor H E outdoor middle thermistor LPS HPS Low pressure switch High pressure switch SV1 3W V 3W V HPS LPS Strainer INDOOR UNIT A TH OI TH HMI TH HI TH IA TH IA TH IA EV kit TH S TH D TH HMO TH O TH OI EV kit EV kit INDOOR UNIT B INDOOR UNIT C TH HMI TH HMI OUTDOOR UNIT COMPRES SOR ACCUMU LATOR SV2 09 02 ...

Page 152: ...THHI Room tempera ture C Resistance value k 32 5 7 2 35 6 5 37 5 5 9 40 5 3 42 5 4 8 45 4 3 47 5 3 9 50 3 6 Heat exchanger ture C Resistance value k 0 176 0 2 5 153 5 5 134 2 7 5 117 6 10 103 3 12 5 91 0 15 80 3 17 5 71 0 20 62 9 22 5 55 9 25 49 7 27 5 44 3 30 39 6 Resistance value k 32 5 35 4 35 31 7 37 5 28 5 40 25 6 42 5 23 1 45 20 8 47 5 18 8 50 17 1 52 5 55 57 5 60 15 5 14 1 12 8 11 6 9 2 1 T...

Page 153: ...or THD Pipe tempera ture C Resistance value k 40 2183 30 1076 20 561 10 307 0 176 5 0 135 10 105 12 5 92 4 15 81 8 17 5 72 6 20 64 5 22 5 57 5 25 51 3 Pipe tempera ture C Resistance value k 27 5 45 8 30 41 1 32 5 36 9 35 33 1 37 5 29 8 40 26 9 50 18 1 60 12 5 70 8 8 80 6 3 90 4 6 100 3 4 120 2 0 Pipe tempera ture C Resistance value k 140 1 2 160 0 8 180 0 5 3 Outdoor temperature thermistor THo Pip...

Page 154: ...ises excessively the circuit is cut off and the abnormal protection functions Normally the circuit is shorted 2 Pressure Switch 2 Low Pressure Side C H C L Pressure C L Circuit OFF Open 0 2 0 05 Mpa Circuit ON Short 0 35 0 05 Mpa When the low pressure inside the system decreases excessively the circuit is cut off and the abnormal protection functions Normally the circuit is shorted ...

Page 155: ...COMPACT DUCT TYPE MODELS AR7 AR9 AR12 AR14 AR18 AR22 9 3 WIRING DIAGRAM 9 3 1 INDOOR UNIT 09 06 ...

Page 156: ...LOW STATIC PRESSURE DUCT TYPE MODELS AR25 AR30 ARXB25 ARXB30 09 07 ...

Page 157: ...MODELS AR36 AR45 09 08 ...

Page 158: ...COMPACT CASSETTE TYPE MODELS AU7 AU9 AU12 AU14 AU18 09 09 ...

Page 159: ...CASSETTE TYPE MODELS AU20 AU25 AU30 09 10 ...

Page 160: ...MODELS AU36 AU45 AU54 09 11 ...

Page 161: ...COMPACT WALL MOUNTED TYPE MODELS AS7 AS9 AS12 AS14 09 12 ...

Page 162: ...WALL MOUNTED TYPE MODELS AS18 AS24 AS30 09 13 ...

Page 163: ...HEAT PUMP TYPE MODEL AO54UJ 9 3 2 OUTDOOR UNIT 09 14 ...

Page 164: ...COOLING ONLY TYPE MODEL AO54FJ 09 15 ...

Page 165: ...OUTDOOR INTERNAL LAYOUT 09 16 FAN FAN MOTOR ACCUMULATOR CHECK VALVE 3 WAY VALVE LIQUID COMPRESSOR HEAT EXCHANGER 3WAY VALVE GAS 4 WAY VALVE SOLENOID VALVE 1 SOLENOID VALVE 2 PRESSURE SW LOW PRESSURE SW HIGH EXPANSION VALVE ACCUMULATOR ...

Page 166: ...POWER PCB MAIN RELAY THERMISTOR ELECTROLYTIC CAPACITOR MAIN PCB CHOKE COIL FAN CAPACITOR TRANSISTOR PCB DIODE BRIDGE POWER ACTPM ACTIVE FILTER MODULE DIP SW 1 8 1 2 3 4 8 7 6 5 LED 1 3 2 4 6 5 FUSE 3 15A OUTDOOR UNIT PCB LAYOUT ...

Page 167: ...Cooling only type 15 2 kW 15 2 kW MODEL NAME AO 54FJAMR Maximum Connectable Indoor unit 8 TM TM 8 A O 5 4 U J A M R TYPE MARKET REGION MODEL CODE FUNCTION TYPE COMPRESSOR MODEL CHANGE CODE AO OUTDOOR UNIT J SCROLL SPECIAL METHOD FUNCTION 1 2 3 4 5 6 7 8 9 10 MR MULTI R TYPE F COOLING ONLY R410A U REVERSE CYCLE HEAT PUMP R410A BLANK 220 240V 50Hz G 220 240V 50Hz Y 220 240V 50Hz 9 5 MODEL DESIGNATIO...

Page 168: ... mounted 54 14 1 45 12 7 36 10 5 30 8 80 6 90 7 05 20 18 5 30 5 70 14 4 00 12 3 60 9 2 80 7 2 15 Wall mounted compact A R 1 8 U F A TYPE MARKET REGION MODEL CODE FUNCTION TYPE CONTROL METHOD REMOTE CONTROL MODEL CHANGE CODE AR DUCT AU CASSETTE AS WALL MOUNTED kW 7 2 15 9 2 80 12 3 60 14 4 00 18 5 30 20 5 70 22 6 00 24 6 90 25 7 05 30 8 80 36 10 5 45 12 7 54 14 1 F FREE CHASSIS SPECIAL CODE 1 2 3 4...

Page 169: ...l Limited All rights reserved TM is a worldwide trademark of FUJITSU GENERAL LIMITED Product specifications are subject to change without notice TM 1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan Printed in Japan 2004 03 18 SERIES ...

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