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Toshiba MMK-AP0243H [40/152] Refrigerating cycle diagram
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4. REFRIGERATING CYCLE DIAGRAM
Functional part name
Pulse Motor Valve PMV
Temp. sensor 1. TA
2. TC1
3. TC2
4. TCJ
Functional outline
(Connector CN082 (6P): Blue)
1) Controls super heat in cooling operation
2) Controls under cool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
(Connector CN104 (2P): White)
1) Detects indoor suction temperature
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
(Connector CN101 (2P): Blue)
1) Controls PMV under cool in heating operation
(Connector CN102 (2P): Yellow)
1) Controls PMV super heat in cooling operation
Air heat exchanger
at indoor side
Fan
M
Fan motor
Sensor
(TA)
Sensor
(TC1)
Gas sideLiquid side
Strainer
Capillary tube
Pulse Motor Valve
(PMV)
Strainer
Sensor
(TCJ)
Sensor
(TC2)
Содержание
- Contents p.2
- Warning p.3
- The important contents concerned to the safety are described on the product itself and on this service manual please read this service manual after understanding the described items thoroughly in the following contents and keep them p.3
- Safety caution p.3
- Warning p.4
- Caution p.4
- New refrigerant r410a p.5
- Safety caution concerned to new refrigerant p.5
- Pipe materials p.5
- Cautions on installation service p.5
- General tools conventional tools can be used p.6
- Vacuum pump use vacuum pump by attaching vacuum pump adapter 2 torque wrench 3 pipe cutter 4 reamer 5 pipe bender 6 level vial 7 screwdriver p.6
- Tools whose specifications are changed for r410a and their interchangeability p.6
- Tools exclusive for r410a the following tools for r410a are required p.6
- Spanner or monkey wrench 9 hole core drill 10 hexagon wrench opposite side 4mm 11 tape measure 12 metal saw p.6
- Note 1 when flaring is carried out for r410a using the conventional flare tools adjustment of projection margin is necessary for this adjustment a copper pipe gauge etc are necessary note 2 charging cylinder for r410a is being currently developed p.6
- In addition to the above exclusive tools the following equipments which serve also for r22 are necessary as the general tools p.6
- Also prepare the following equipments for other installation method and run check 1 clamp meter 2 thermometer 3 insulation resistance tester 4 electroscope p.6
- 1 required tools for r410a mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc accordingly the tools to be used are classified into the following three types 1 tools exclusive for r410a those which cannot be used for conventional refrigerant r22 2 tools exclusive for r410a but can be also used for conventional refrigerant r22 3 tools commonly used for r410a and for conventional refrigerant r22 the table below shows the tools exclusive for r410a and their interchangeability p.6
- Mm hexagonal wrench is required p.7
- Environment p.7
- Do not discharge flon gas into the air to protect the earth environment p.7
- When recharge of the refrigerant is required charge the new refrigerant with the specified amount in the procedure as described below p.7
- Use vacuum pump method for an air purge discharge of air in the connecting pipe in installation time p.7
- Recharge of refrigerant p.7
- 1 indoor unit p.8
- Construction views external views p.8
- Louver motor p.9
- Wiring diagram p.9
- Pulse motor valve p.9
- Model mmk ap0073h in mmk ap0093h in mmk ap0123h in mmk ap0153h in mmk ap0183h in mmk ap0243h in p.9
- Parts rating p.10
- Earth screw p.10
- Air outlet louver p.10
- Air inlet grille p.10
- Air filter p.10
- 2 name of each part p.10
- 1 parts rating p.10
- Display section p.11
- 9 20 19 p.11
- 3 parts name of remote controller p.11
- Air volume select display p.12
- Unit number display p.12
- Operation ready display p.12
- Mode select control display p.12
- Louver number display exapmle 01 02 03 04 p.12
- Louver lock display 4 way air discharge cassette type 2h series only p.12
- Central control display p.12
- 9 20 19 p.12
- Option p.13
- Remote controller sensor p.13
- Operation section p.13
- Preparation p.14
- 4 correct usage p.14
- Requirement p.14
- In heating operation for heat pump model only p.15
- In cooling operation p.15
- For all models p.15
- When restarting the operation after stop p.15
- Right left air direction adjustment p.15
- In case of heating for heat pump model only p.15
- In case of cooling p.15
- For under ceiling 1 way air discharge cassette high wall type p.15
- Caution p.15
- Automatic operation super heat recovery type only p.15
- 5 adjustment of wind direction p.15
- For heating heat p.16
- For cooling cool p.16
- 4 way air discharge cassette type 2h series p.16
- 4 way air discharge cassette type 1h series compact 4 way type p.16
- In heating operation for heat pump model only p.16
- In cooling operation p.16
- Unit select button p.17
- In heat operation p.17
- In fan operation p.17
- In cool dry operation p.17
- How to stop swinging p.17
- How to start swinging p.17
- How to set up the wind direction p.17
- Timer operation p.18
- 6 timer operation p.18
- Electrical wiring p.19
- Do not install the air conditioner in the following places p.19
- Caution p.19
- Be careful with noise or vibrations p.19
- 7 installation p.19
- Warning p.19
- Use a leakage breaker with an appropriate capacity p.19
- Make sure that a leakage breaker is connected p.19
- Installation place p.19
- Warning p.20
- If you do not plan to use the unit for more than 1 month p.20
- Cleaning of air filters p.20
- Checks before operation p.20
- Caution p.20
- 8 maintenance p.20
- Re installation p.21
- Maintenance list p.21
- For environmental conservation it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner when the air conditioner is operated for a long time periodic maintenance once a year is recommended furthermore regularly check the outdoor unit for rust and scratches and remove them or apply rustproof treatment if necessary as a general rule when an indoor unit is operated for 8 hours or more daily clean the indoor unit and outdoor unit at least once every 3 months ask a professional for this cleaning maintenance work such maintenance can extend the life of the product though it involves the owner s expense failure to clean the indoor and outdoor units regularly will result in poor performance freezing water leak age and even compressor failure p.21
- Caution p.21
- Be sure to clean the heat exchanger with pressurized water if an commercially detergent strong alkaline or acid cleaning agent is used the surface treatment of the heat exchanger will be marred which may degrade the self cleaning performance for details contact the dealer p.21
- Ask the dealer or an installation professional to re install the air conditioner to a new place or move it to another place and to observe the following items if the air conditioner is inappropriately installed by yourself it may cause electric shock or fire p.21
- Warning p.21
- Return the air filter p.22
- High wall type p.22
- Cleaning the air inlet grille p.22
- Cleaning of air filter p.22
- Air conditioner operating conditions p.23
- Protective device high pressure switch p.23
- Minutes protection p.23
- Main power failure p.23
- Heating capacity for heat pump model only p.23
- Fan rotation of stopped unit p.23
- Defrost operation during heating operation for heat pump model only p.23
- Cooling heating operation of modular multi system air conditioner p.23
- Check before operation p.23
- Characteristics of heating operation for heat pump model only p.23
- 9 air conditioner operations and performance p.23
- Warning p.23
- If any of the following conditions occur turn off the main power supply switch and immediately contact the dealer switch operation does not work properly the main power fuse often blows out or the circuit breaker is often activated a foreign matter or water fall inside the air conditioner when the air conditioner does not operate even after the cause of the protective device activation has been removed the operation lamp and on the remote controller are flashing p.24
- Check the points described below before asking repair servicing p.24
- Caution p.24
- Any other unusual conditions are observed p.24
- 10 when the following symptoms are found p.24
- Confirmation of error history p.25
- Confirmation and check p.25
- Precautions for safety p.26
- Accessory parts p.26
- 11 installation manual p.26
- Selection of installation place p.27
- Installation of indoor unit p.28
- Piping and drain hose installation p.29
- How to remove the drain hose p.29
- Cutting a hole and mounting installation plate p.29
- Piping and drain hose installation p.30
- Left hand connection with piping p.30
- In case of right or left piping p.30
- In case of bottom right or bottom left piping p.30
- How to remove the drains cap p.30
- How to remove the drain hose p.30
- How to fix the drains cap p.30
- How to fix the drain hose p.30
- Caution p.30
- Bend the connection pipe within a radius of 30 mm p.30
- Refrigerant piping p.31
- Pipe size p.31
- Permissible piping length and height difference p.31
- Indoor unit fixing p.31
- Drainage p.31
- Caution p.31
- Electric work p.32
- Wired remote controller wiring p.33
- Power supply wire and communication wires specifications p.33
- Indoor unit power supply p.33
- Electric work p.33
- Control wiring central controller wiring p.33
- Control wiring between indoor and outdoor units p.33
- Caution p.33
- Address setup p.33
- Wiring connection p.34
- Wiring and control wiring p.34
- Wired remote controller wiring p.34
- Requirement p.34
- How to connect the power supply p.34
- Electric work p.34
- Caution p.34
- Wiring connection for flow selector unit p.35
- Requirement p.35
- Procedure p.35
- How to connect the wiring of flow selector unit p.35
- Electric work p.35
- Changing of settings of for ap plicable controls p.35
- Caution p.35
- Basic procedure for changing settings p.35
- Applicable controls p.35
- To secure better effect of heating p.36
- Group control p.36
- Change of lighting time of filter sign p.36
- Applicable controls p.36
- Adjustment of air direction p.36
- Test run p.37
- A wired remote controller is necessary for this function this function cannot be operate with a wireless remote controller p.38
- When a trouble occurred on the air conditioner the trouble history can be confirmed with the following procedure the trouble history is stored in memory up to 4 troubles the history can be confirmed from both operat ing status and stop status p.38
- When a trouble occurred in the air conditioner the check code and the indoor unit no appear on the display part of the remote controller the check code is only displayed during the operation if the display disappears operate the air conditioner according to the following confirmation of error history for confirmation p.38
- Troubleshooting p.38
- The following list shows each check code find the check contents from the list according to part to be checked in case of check from indoor remote controller see wired remote controller display in the list in case of check from outdoor unit see outdoor 7 segment display in the list in case of check from indoor unit with wireless remote controller see sensor block display of receiving unit in the list ai net artificial intelligence ipdu intelligent power drive unit p.38
- On the remote controller wired remote controller central control remote controller and the interface p c board of the outdoor unit i f a check display lcd remote controller or 7 segment display on the outdoor interface p c board to display the operation is provided therefore the operation status can be known using this selfdiagnosis function a trouble or position with error of the air conditioner can be found as shown in the table below p.38
- Lighting p.38
- History of the indoor unit will be deleted p.38
- Goes off alt flashing is alternately when there are two flashing led sim simultaneous flashing when there are two flashing led p.38
- Flashing p.38
- Every pushing of temp button used to set temperature the trouble history stored in memory is displayed in order the numbers in code no indicate code no 01 latest 04 oldest p.38
- Do not push p.38
- Check code indoor unit no in which an error occurred p.38
- Buttons at the same time for 4 seconds or more the following display ap pears if service check is displayed the mode enters in the trouble history mode 01 order of trouble history is displayed in code no window check code is displayed in check window indoor unit address in which an error occurred is displayed in unit no p.38
- Button to return to theusual display p.38
- Button because all the trouble p.38
- When pushing p.38
- After confirmation push p.38
- Tcc link toshiba carriea cominication link p.39
- Error detected by tcc link central control device p.39
- Refrigerating cycle diagram p.40
- Room temp control p.41
- Remarks p.41
- Outline of specifications p.41
- Operation mode selection p.41
- Except while sensor of the remote controller is controlled code no 32 0001 p.41
- Distinction of outdoor unit when the power supply is reset the outdoors are distinguished and the control is selected according to the distinguished result 2 if resetting the power supply during occurrence of a trouble the check code is once cleared after on off button of the remote controller was pushed and the operation was resumed if the abnormal status continues the check code is again displayed on the remote controller p.41
- Control outline p.41
- Based on the operation mode selecting command from the remote controller the operation mode is selected p.41
- Based on the difference between ta and ts the operation capacity is determined by the outdoor unit p.41
- Automatic capacity control p.41
- Adjustment range remote controller setup temperature c p.41
- When power supply is reset p.41
- 1 control specifications p.41
- Using the item code 06 the setup temperature in heating operation can be corrected p.41
- Ts setup temp ta room temp p.41
- Shift of suction tem perature in heating operation p.41
- Setting at shipment p.41
- Applied control p.48
- 1 indoor unit p.48
- Table function selecting item numbers dn items necessary to perform the applied control at the local site are described p.49
- Wiring and setup p.50
- Remote location on off control box tcb ifcb 4e2 p.50
- Item code 11 p.50
- Item code 10 p.50
- Indoor unit capacity p.50
- 2 wiring diagram using remote control interface tcb ifcb 4e2 p.50
- 1 control items p.50
- 1 2 applied control in indoor unit p.50
- Operation p.51
- Wiring p.51
- Ventilating fan control from remote controller p.51
- Function p.51
- Wiring p.52
- Power peak cut from indoor unit p.52
- Operation p.52
- Leaving on prevention control p.52
- Function p.52
- Control items p.52
- Mcc 1510 p.53
- Indoor p c board p.53
- Wall type p c board optional switch connector specifications p.54
- Troubleshooting p.55
- Before troubleshooting p.55
- 1 troubleshooting summary p.55
- Troubleshooting procedure p.55
- The following list shows each check code find the check contents from the list according to part to be checked p.56
- On the remote controller main remote controller central control remote controller and the interface p c board of the outdoor unit a check display lcd remote controller or 7 segment display on the outdoor interface p c board to display the operation is provided therefore the operation status can be known using this self diagnosis function a trouble or position with trouble of the air conditioner can be found as shown in the table below p.56
- Lighting p.56
- Ipdu intelligent power drive unit p.56
- Flashing goes off alt flashing is alternately when there are two flashing led sim simultaneous flashing when there are two flashing led p.56
- 2 check method p.56
- 2 1 check code list p.56
- Error detected by tcc link central control device p.58
- 3 troubleshooting by check display on remote controller p.59
- Unit no display alarm display p.60
- Confirmation of error history p.60
- Confirmation and check p.60
- 3 2 in case of tcc link central control remote controller tcb sc642tle2 p.60
- 4 check code and check position displayed on the remote controller and outdoor unit 7 segment display of interface p.61
- 1 all stop only in case of the header unit the follower unit continues operation p.64
- Mg sw magnet switch ocr over current relay p.65
- Mg sw magnet switch ocr over current relay p.66
- These errors are concerned to communication of remote controllers a b and central system ai net x y and the main remote controller displays e01 e02 e03 e09 or e18 in some cases and displays none in other cases according to the contents p.72
- Error detected by tcc link central control device p.72
- Error detected by ai net central control device p.72
- 4 4 how to check the external fan motor p.73
- 4 3 how to check resistance of compressor winding p.73
- 4 2 how to check inverter output p.73
- 4 1 cautions when servicing for compressor p.73
- Check code p.74
- Remote controller inter unit cable error 2 indoor power error 3 indoor p c board error 4 remote controller address setup error 5 remote controller p c board error p.74
- Current code ai net p.74
- Communication error between indoor and remote controller detected at remote controller side p.74
- Check code name p.74
- Cause of operation p.74
- 5 diagnosis procedure for each check code p.74
- This error is detected when the indoor unit cannot receive a signal from the remote controller check communication cables of the remote controllers a and b as communication is impossible this check code e03 is not displayed on the main remote controller it is displayed on tcc link central controller p.75
- Remote controller sending error p.75
- It is not displayed on 7 segment display of the central control controller p.75
- E03 97 p.75
- Communication error between indoor and remote controller detected at indoor side p.75
- Power of outdoor unit was firstly turned on 2 connection error of communication line between indoor and outdoor 3 end terminal resistance setup error on communication between indoor and outdoor 4 address setup error 5 switch setup error of wall type p c board p.76
- Indoor outdoor communication circuit error detected at indoor side p.76
- For details refer to troubleshooting in test operation p.76
- E04 04 p.76
- Current code ai net p.76
- Check code name p.76
- Check code p.76
- Cause of operation p.76
- Check code name p.77
- Check code p.77
- Cause of operation p.77
- Sub code no of indoor units which received signals normally p.77
- Note 1 when signal is not sent for a certain period from the indoor unit which has used to send signals normally e06 is displayed p.77
- E06 04 p.77
- Decreased number of indoor units p.77
- Current code7 ai net p.77
- Communication lines u1 u2 connection error between indoor and outdoor 2 connector connection error of communication for indoor p c board 3 connector connection error of communication for outdoor i f board 4 power supply of indoor unit is power turned on p.77
- Indoor outdoor communication circuit error detected at outdoor side p.78
- Check code p.79
- Indoor addresses are duplicated 2 switch setup error of wall type p c board p.79
- E09 99 p.79
- E08 96 p.79
- Duplicated master remote controller p.79
- Duplicated indoor addresses p.79
- Current code ai net p.79
- Check code name p.79
- Cause of operation p.79
- Using a main remote controller rbc amt32e check the setup item codes dn code 12 13 and 14 when there is no address duplication check to the following flowchart p.79
- Sub code duplicated indoor address p.79
- Setup of master remote controller is duplicated p.79
- Sub code 01 communication between indoor and outdoor 02 communication between outdoor units p.80
- Set up address again refer to address setup procedure turn on power of outdoor unit again p.80
- No corresponding indoor unit during automatic address p.80
- No are u1 u2 u3 and u4 connectors connected p.80
- E15 42 p.80
- E12 42 p.80
- Disconnect connector connection of u1 u2 u3 and u4 p.80
- Current code ai net p.80
- Communication line connection error between indoor and outdoor 2 indoor power system error 3 noise from surrounding devices 4 power failure 5 indoor p c board error p.80
- Check code name p.80
- Check code p.80
- Cause of operation p.80
- Automatic address start error p.80
- When indoor automatic address started other refrigerant circuit system was setting automatic address 2 when outdoor automatic address started the indoor automatic address was being set sub code 02 p.80
- Turn sw09 bit 2 on i f p c board of header outdoor unit to on usually off p.81
- There are 48 or more connected indoor units 2 capacity over of total connected indoor units 3 incorrect setup of indoor outdoor capacity p.81
- Sub code 00 capacity over 49 to 64 of connected units p.81
- E16 89 p.81
- Current code ai net p.81
- Connected indoor units capacity over p.81
- Check code name p.81
- Check code p.81
- Cause of operation p.81
- 1 setup of no detection of capacity over p.81
- Current code ai net p.82
- Communication error between indoor header and follower p.82
- Check code name p.82
- Check code p.82
- Cause of operation p.82
- Regular communication between indoor header and follower is unavailable 2 switch setup error of wall type p c board p.82
- E18 97 99 p.82
- When starting automatic indoor address a device in other line is connected p.83
- Unit connected to other line during automatic address p.83
- Sub code 01 connection of outdoor in other line 02 connection of indoor unit in other line p.83
- Sub code 00 no header unit 02 two or more header units p.83
- Separate the wire between lines according to address setup method p.83
- Reference an outdoor unit connected with communication wires u1 u2 between indoor and outdoor is the header unit p.83
- Misconnection of inter unit cable between indoor and outdoor 2 outdoor i f p c board error p.83
- Header outdoor units quantity error p.83
- E20 42 p.83
- E19 96 p.83
- Current code ai net p.83
- Check code name p.83
- Check code p.83
- Cause of operation p.83
- Inter unit cable connection error between outdoor units 2 communication connector connection error between outdoor units i f p c board error 3 end terminal resistance setup error between outdoor units p.84
- E23 15 p.84
- Current code ai net p.84
- Communication sending error between outdoor units p.84
- Check code name p.84
- Check code p.84
- Cause of operation p.84
- Duplicated follower outdoor address setup p.85
- Do not set up outdoor address manually p.85
- Decrease of connected outdoor units p.85
- Current code ai net p.85
- Check code name p.85
- Check code p.85
- Cause of operation p.85
- Addresses are duplicated by manual setup of outdoor address p.85
- 1 how to clear the error p.85
- Sub code no of outdoor units which received signals normally p.85
- Set sw01 sw02 sw03 on i f p c board of header unit to 2 16 1 and push sw04 for 5 seconds or more 7 segment display er cl p.85
- Outdoor unit backup setup 2 outdoor power error 3 communication line connection error between outdoor units 4 connector connection error for communication 5 outdoor i f p c board error p.85
- E26 15 p.85
- E25 15 p.85
- Sub code detected outdoor unit no p.86
- Sub code p.86
- Ipdu1 error 02 ipdu2 error 03 ipdu1 2 error 04 fan ipdu error 05 ipdu1 fan ipdu error 06 ipdu2 fan ipdu error 07 all ipdu error or communication line error between ipdu i f p c boards or outdoor i f p c board error p.86
- Ipdu communication error p.86
- If the fan ipdu is abnormal be sure to check the voltage output on the fan power supply p c board p.86
- Follower outdoor unit error p.86
- E31 cf p.86
- E28 d2 p.86
- An error occurred on the follower unit check the check code of follower unit on 7 segment display on i f p c board of follower unit and then check according to diagnose procedure for each check code how to specify the follower outdoor unit in which error occurred if pushing sw04 for 1 second or more under condition that e28 is displayed on 7 segment display of the header unit the fan of the outdoor which stopped due to occurrence of error starts rotating when pushing sw05 singly the fan operation is cleared p.86
- Check code p.87
- Cause of operation p.87
- Tcj sensor open short p.87
- Tc2 sensor open short p.87
- Indoor tcj sensor error p.87
- Indoor tc2 sensor error p.87
- F02 0d p.87
- F01 0f p.87
- Current code ai net p.87
- Check code name p.87
- Indoor tc1 sensor error p.88
- F06 18 p.88
- F05 a1 p.88
- F04 19 p.88
- F03 93 p.88
- Correct connection of connector p.88
- Check indoor main p c board defect replace p.88
- This error code means detection of open short of te1 sensor check disconnection of circuit for connection of connector te1 sensor cn505 green and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.88
- Are characteristics of tc1 sensor resistance value normal p.88
- This error code means detection of open short of td2 sensor check disconnection of circuit for connection of connector td2 sensor cn503 pink and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.88
- This error code means detection of open short of td1 sensor check disconnection of circuit for connection of connector td1 sensor cn502 white and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.88
- Te1 sensor error p.88
- Td2 sensor error p.88
- Td1 sensor error p.88
- Replace tc1 sensor p.88
- Is tc1 sensor connector cn100 brown on indoor p c board normally connected p.88
- Indoor unit temperature sensor characteristics see characteristics 2 p.88
- This error code means detection of open short of tl sensor check disconnection of circuit for connection of connector tl sensor cn521 white and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.89
- This error code means detection of open short of ta sensor check disconnection of circuit for connection of connector ta sensor cn104 white and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace indoor p c board p.89
- Indoor ta sensor error p.89
- F12 a2 p.89
- F10 0c p.89
- F08 1b p.89
- F07 18 p.89
- Ts1 sensor error p.89
- To sensor error p.89
- Tl sensor error p.89
- This error code means detection of open short of ts1 sensor check disconnection of circuit for connection of connector ts1 sensor cn504 white and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.89
- This error code means detection of open short of to sensor check disconnection of circuit for connection of connector to sensor cn507 yellow and characteristics of sensor resistance value refer to outdoor unit temperature sensor characteristics if sensor is normal replace outdoor i f p c board p.89
- Th sensor error p.90
- Sub code 01 compressor 1 side 02 compressor 2 side p.90
- Outdoor temp sensor miscabling te1 tl p.90
- Misinstallation and misconnection of te1 sensor and tl sensor 2 resistance characteristics error of te1 sensor and tl sensor 3 outdoor p c board i f error p.90
- Igbt built in sensor error in a3 ipdu p.90
- F15 18 p.90
- F13 43 p.90
- Current code ai net p.90
- Check code name p.90
- Check code p.90
- Cause of operation p.90
- This error code means igbt built in temperature sensor error check connection of connectors cn06 on ipdu p c board and cn600 on i f p c board if sensor is normal replace ipdu p c board p.90
- Outdoor pressure sensor miscabling pd ps p.91
- F16 43 p.91
- Ps sensor error p.92
- Pd sensor error p.92
- It is output voltage error of pd sensor check disconnection of connection of connector pd sensor cn501 circuit and output voltage of sensor if the sensor is normal replace outdoor i f p c board p.92
- F24 43 p.92
- F23 43 p.92
- Indoor other error p.93
- If eeprom was not inserted when power was turned on or it is absolutely impossible to read write eeprom data the automatic address mode is repeated in this case 97 error is displayed on ai net central controller p.93
- F31 1c p.93
- F29 12 p.93
- Current code ai net p.93
- Check code name p.93
- Check code p.93
- Cause of operation p.93
- This error is detected during operation of air conditioner of ic10 non volatile memory eeprom on indoor unit p c board replace service p c board p.93
- Outdoor unit power error voltage noise etc 2 outdoor i f p c board error p.93
- Outdoor eeprom error p.93
- Indoor p c board error eerom error p.93
- H01 1f p.94
- Details of compressor power connecting section p.94
- Compressor breakdown p.94
- Sub code 01 compressor 1 side 02 compressor 2 side p.95
- Outdoor unit power line error 2 compressor circuit system error 3 compressor error 4 refrigerant stagnation in compressor shell 5 ipdu p c board error p.95
- H02 1d p.95
- Current code ai net p.95
- Compressor error lock p.95
- Check code name p.95
- Check code p.95
- Cause of operation p.95
- Current detective circuit system error p.96
- Sub code 01 compressor 1 side 02 compressor 2 side p.96
- H03 17 p.96
- H14 44 p.97
- H04 44 p.97
- Current code ai net p.97
- Compressor 2 case thermo operation p.97
- Compressor 1 case thermo operation p.97
- Check code name p.97
- Check code p.97
- Cause of operation p.97
- Case thermo circuit error 2 i f p c board error 3 service valve closed 4 outdoor pmv clogging 5 sv4 valve leak coil misinstallation 6 4 way valve error 7 compressor error 8 refrigerant shortage p.97
- H06 20 p.98
- Current code ai net p.98
- Check code name p.98
- Check code p.98
- Cause of operation p.98
- Service valve close 2 ps sensor error 3 sv2 sv4 circuit error 4 miscabling of communication between indoor and outdoor 5 indoor outdoor fan and condenser error 6 indoor outdoor pmv clogging 7 indoor outdoor heat exchanger clogging 8 refrigerant shortage p.98
- Low pressure protective operation p.98
- Reference when refrigerant stagnates in compressor shell the oil level shortage may be judged p.99
- Oil level down detection protection p.99
- H07 d7 p.99
- Reference p.100
- D clogging for sv3e valve p.100
- C clogging check for sv3b valve for multiple outdoor unit system p.100
- B leakage check for sv3c valve p.100
- B clogging check for sv3d valve p.100
- A oil return circuit p.100
- A leakage check for sv3a valve for multiple outdoor unit system p.100
- 2 clogging check for sv3d valve of oil return circuit from oil separator p.100
- A clogging check for sv3a valve p.101
- A clogging check for oil equalization circuit p.101
- 3 check for solenoid valve of outdoor unit for multiple outdoor unit system p.101
- While outdoor unit is operating set up sw01 02 03 2 1 3 to 7 segment display hr 2 and push sw04 for 2 seconds or more set up sw02 6 and turn on sv3c valve 7 segment display hr 3c if temperature does not change up clogging of valve or strainer is considered p.101
- While outdoor unit is operating set up sw01 02 03 2 1 3 to 7 segment display hr 2 and push sw04 for 2 seconds or more set up sw02 4 and turn on sv3a valve 7 segment display hr 3a if temperature is low at secondary side of the valve or it does not change clogging of valve or check valve is considered p.101
- Tk1 tk2 td1 td2 temperature approx 10 to 30 c oil equalization capillary tubes should be higher sufficiently than outside air temperature and suction temperature if temperature is low a malfunction of capillary strainer or check valve is considered repair the defective parts p.101
- In the figure were raised p.101
- In the figure p.101
- Drive the outdoor unit drive both compressors in the unit after driving for 10 minutes check temperature of tk1 and tk2 sensors and temperature of oil equalization circuit capillary p.101
- Criterion p.101
- B leakage check for sv3c valve p.101
- H16 d7 p.102
- H08 d4 p.102
- Connector p.102
- Cn523 yellow p.102
- Cn516 red p.102
- Cn515 green p.102
- Cn514 black p.102
- Circuit p.102
- Tk1 temperature detective circuit error sub code 01 p.102
- The detected error is an oil level detective temperature sensor error check disconnection of the wiring and resistance value of the sensor if the sensors are normal replace the outdoor i f p c board p.102
- Sub code 01 tk1 sensor error 02 tk2 sensor error 03 tk3 sensor error 04 tk4 sensor error p.102
- Oil level detective temperature sensor error p.102
- Oil level detective circuit system error sub code 02 p.103
- H16 d7 p.103
- Detachment of tk2 sensor miscabling characteristics error of resistance value 2 oil equalization circuit error check valve capillary clogging strainer clogging 3 refrigerant stagnation in compressor shell p.103
- Current code ai net p.103
- Check code name p.103
- Check code p.103
- Cause of operation p.103
- Detachment of tk3 sensor miscabling characteristics error of resistance value 2 error of sv3c valve circuit periphery check capillary clogging strainer clogging 3 refrigerant stagnation in compressor shell p.104
- Current code ai net p.104
- Check code name p.104
- Check code p.104
- Cause of operation p.104
- Tk3 temperature detective circuit error sub code 03 p.104
- H16 d7 p.104
- Tk4 temperature detective circuit error sub code 04 p.105
- H16 d7 p.105
- Detachment of tk4 sensor miscabling characteristics error of resistance value 2 check clogging and malfunction of sv3e valve circuit 3 oil equalization circuit error check capillary clogging strainer clogging 4 refrigerant stagnation in compressor shell p.105
- Current code ai net p.105
- Check code name p.105
- Check code p.105
- Cause of operation p.105
- L05 96 p.106
- L04 96 p.106
- L03 96 p.106
- Duplicated setup of outdoor line address p.106
- Duplicated indoor units with priority displayed on indoor unit with priority p.106
- Duplicated indoor header units p.106
- Check the connection changing of the remote controller after the connection has been changed 2 if the group configuration and address are normal when power has been turned on the mode automatically shifts to address setup mode re setup of address refer to address setup p.106
- This check code is displayed on the set indoor unit when setup of indoor unit with priority is duplicated priority setup with two or more units is not available choose one prior unit in one refrigerant circuit system p.106
- When indoor unit with priority is duplicated this check code is displayed on the unit other than the setup indoor unit and outdoor unit as only one indoor unit with priority is valid change the setup p.107
- Two or more indoor units with priority are duplicated p.107
- The group line is connected in the individual indoor unit p.107
- Sub code no of indoor units with priority p.107
- L07 99 p.107
- L06 96 p.107
- Group line in individual indoor unit p.107
- Duplicated indoor units with priority displayed on the indoor unit other than one with priority and on the outdoor unit p.107
- Current code ai net p.107
- Check code name p.107
- Check code p.107
- Cause of operation p.107
- L08 99 p.108
- Indoor group address unset p.108
- Indoor capacity unset p.108
- Note this code is displayed when the power is turned on at the first time after installation because the address is not yet set up p.108
- L09 46 p.108
- Quantity over of connected outdoor units p.109
- Outdoor capacity unset p.109
- L28 46 p.109
- L20 98 p.109
- L10 88 p.109
- I f p c board a ssy service for the outdoor unit is common to this series a setup for model selection different from that for p c board with trouble is necessary set up a model based upon the p c board a ssy exchange procedure p.109
- Duplicated central control addresses p.109
- Sub code 01 ipdu1 error 02 ipdu2 error 03 ipdu1 2 error 04 fan ipdu error 05 ipdu1 fan ipdu error 06 ipdu2 fan ipdu error 07 all ipdu error or disconnection of communication line between ipdu i f p c board or outdoor i f p c board error p.110
- L29 cf p.110
- Ipdu quantity error p.110
- Is there any trouble of outdoor unit power supply check power voltage and line check auxiliaty noise etc p.111
- Interlock in indoor unit from outside p.111
- Extended ic error p.111
- Check outdoor i f p c board p.111
- L30 b6 p.111
- Service valve of outdoor unit closed 2 outdoor pmv error 3 td sensor error 4 refrigerant shortage clogging of refrigerant circuit system 5 4 way valve error 6 sv4 circuit leakage misinstallation p.112
- P03 1e p.112
- Discharge temp td1 error p.112
- Current code ai net p.112
- Check code name p.112
- Check code p.112
- Cause of operation p.112
- P04 21 p.113
- Actuation of high pressure sw p.113
- Sub code 01 compressor 1 side 02 compressor 2 side p.115
- P07 1c p.115
- P05 af p.115
- Open phase negative phase p.115
- Heat sink overheat error p.115
- Check the phase power line of outdoor unit check error of outdoor i f p c board check there is no looseness etc of terminal p.115
- P12 11 p.116
- Indoor fan motor error p.116
- Fan motor connector error 2 fan motor error 3 indoor p c board error 4 cross flow fan bearing error p.116
- Current code ai net p.116
- Check code name p.116
- Check code p.116
- Cause of operation p.116
- Pmv1 pmv2 error 2 pd sensor ps sensor error 3 clogging of sv2 circuit 4 clogging of sv3b circuit balance pipe 5 leakage of main discharge pipe 6 outdoor i f p c board error p.117
- P13 47 p.117
- Outdoor liquid back detection error p.117
- Current code ai net p.117
- Check code name p.117
- Check code p.117
- Cause of operation p.117
- P15 ae p.118
- Gas leak detection ts condition sub code 01 p.118
- P15 ae p.119
- Outdoor unit service valve closed 2 outdoor pmv error 3 td sensor error 4 sv4 circuit error 5 refrigerant shortage clogging refrigerant circuit p.119
- Gas leak detection td condition sub code 02 p.119
- Current code ai net p.119
- Check code name p.119
- Check code p.119
- Cause of operation p.119
- P17 bb p.120
- Outdoor unit service valve closed 2 outdoor pmv error 3 td sensor error 4 refrigerant shortage clogging of refrigerant circuit 5 4 way valve error 6 sv4 circuit leakage misinstallation p.120
- Discharge temp td2 error p.120
- Current code ai net p.120
- Check code name p.120
- Check code p.120
- Cause of operation p.120
- Check code p.121
- Cause of operation p.121
- Way valve operation error p.121
- Way valve error 2 ts1 sensor te1 sensor error 3 pd sensor ps sensor error 4 te sensor tl sensor misconnection p.121
- Sub code detected outdoor unit no p.121
- P19 08 p.121
- Current code ai net p.121
- Check code name p.121
- Pd sensor error 2 service valve closed 3 indoor outdoor fan error 4 indoor outdoor pmv clogging 5 indoor outdoor heat exchanger clogging 6 sv2 circuit error 7 sv4 circuit error 8 sv5 circuit error 9 outdoor i f p c board error 10 operation error of check valve of main discharge pipe 11 refrigerant overcharge p.122
- P20 22 p.122
- High pressure protective operation p.122
- Current code ai net p.122
- Check code name p.122
- Check code p.122
- Cause of operation p.122
- Check code name p.124
- Check code p.124
- Cause of operation p.124
- Sub code 0 igbt short circuit 1 position detect circuit error 3 motor lock error 4 motor current error detected c th sensor error heat sink overheat d th sensor error e vdc error p.124
- P22 1a p.124
- Outdoor fan ipdu error p.124
- Fan lock 2 fan ipdu p c board error 3 overload cause 4 external cause such as blast 5 fan ipdu power p c board error p.124
- Current code ai net p.124
- Sub code 01 compressor 1 side 02 compressor 2 side p.125
- P26 14 p.125
- G tr short circuit protection error p.125
- Other indoor unit in the group is abnormal p.126
- Other indoor error group follower unit error p.126
- Current code ai net p.126
- Compressor position detective circuit error p.126
- Check code name p.126
- Check code p.126
- Cause of operation p.126
- Cable connector connection error 2 compressor error 3 ipdu p c board error p.126
- When the header unit of the group detected e03 l03 l07 l08 error the follower unit of the group displays p31 error and stops there are no check code display and alarm record of the main remote controller p.126
- Sub code 01 compressor 1 side 02 compressor 2 side p.126
- P31 47 p.126
- P29 16 p.126
- Current code ai net p.127
- Check code name p.127
- Check code p.127
- Cause of operation p.127
- Ai net communication line error p.127
- Temperature sensor characteristics p.128
- Characteristic 2 p.128
- Characteristic 1 p.128
- 5 1 indoor unit p.128
- Configuration of control circuit p.129
- 1 indoor controller block diagram p.129
- 1 1 case of main sub remote controller connected p.129
- Max 8 units are connectable 1 in group connection mount the central control remote controller to group header unit p.130
- Indoor unit p.130
- 1 2 case of wireless remote controller kit connected p.130
- Warning p.131
- If keeping the power on is absolutely unavoidable while doing a job such as inspecting the circuitry wear rubber gloves to avoid contact with the live parts p.131
- How to replace main parts p.131
- 1 indoor unit p.132
- Cautions in reassemblin p.133
- Requirement when replacing the service indoor p c board assembly p.139
- Replacement of service indoor p c board p.139
- Case 2 p.139
- Case 1 p.139
- 1 readout of the setup data from eeprom p.139
- Minimum requirements for code no p.140
- 2 replacement of service p c board p.140
- Method of dip switch setting p.141
- Case 1 p.141
- P c board parts layout drawing p.141
- Case 2 p.141
- 3 3 writing of the setup contents to eeprom p.142
- Initial value of eeprom installed on the supplied service p c board p.143
- Indoor unit capacity code no 11 p.143
- Code no table please record the objective unit data at field p.143
- Exploded views and parts list p.144
- Detail drawi ng a p.144
- 225 201 208 220 238 p.144
- 214 213 p.144
- 205 233 210 p.144
- 1 indoor unit p.144
- Indoor unit part e p.145
- 206 207 p.146
- 2 indoor unit p.146
- Detail drawing a p.146
- 239 223 p.146
- 212 213 p.146
- Indoor unit part e p.147
- Detail drawi ng a p.148
- 3 indoor unit p.148
- 225 201 208 220 238 p.148
- 214 213 p.148
- 205 233 210 p.148
- Indoor unit part e p.149
- Detail drawing a p.150
- 4 indoor unit p.150
- 212 213 p.150
- 206 207 p.150
- Indoor unit part e p.151
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