![Toshiba MMU-AP0074MH-E [20/219] Control p c board for indoor unit](/img/pdf.png)
Toshiba MMU-AP0074MH-E [20/219] Control p c board for indoor unit
![Toshiba MMU-AP0074MH-E [20/219] Control p c board for indoor unit](/views2/1332792/page20/bg14.png)
19
Models: MMD-AP0724H-E(TR), AP0964H-E(TR)
Symbol Parts Name
43F1,F2
Fan motor Control Relay
CN** Connector
F1,2,3 Fuse for Fan Motor
F301 Fuse
FM Fan Motor
PMV Pulse Motor Valve
RC Running Capacitor
RY002 Drain Control Relay
RY005,006,007
Fan Motor Control Relay
TA Indoor temp sensor
TB01,02,03,
04,05,06
Terminal Block
TC1,2,TCJ Temp sensor
TR Transformer
Sold
Separately
DM Drain Pump Motor
FS Float Switch
1.Broken line indicate the wiring at site.
Long dashed short dashed line indicate
the accessories.
2. indicates the terminal block.
indicates the connection terminal.
indicates the connector on the
control P.C. board.
3. indicates the protection ground.
4. indicates the control P.C. board.
5.When installing the drain pump connect
the froat switch connector to CN30
connector.
6. position is connected to terminal
block when change to static pressure.
Exchange the lead wire of arrow ( )
position after check the terminal
number as figure and lead wire's color
of fan motor.
7.Be careful when modify the static
pressure, the static pressure of high tap
is different by 50Hz or 60Hz.
Terminal
No.
Fan motor
wiring
Static pressure
Pa (mmAq)
Note
F1 YEL 69(7)
F2 BLU 137(14) Setting from factory
F3 ORN 196(20)
Power supply
1~50Hz 220-240V
1~60Hz 220V
Line Filter
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
BRW : BROWN
GRN : GREEN
COLOR
IDENTIFICATION
Indoor unit
Earth screw
Flow selector unit
Earth screw
Outdoor
unit
Remote
Controller
Control P.C. Board
for Indoor Unit
Power
supply
circuit
When drain
pump is installed
Sub P.C. Board
Fan motor inside wiring diagram
Motor over heating
protection switch
Содержание
- Air conditioner multi type 1
- File no a10 033 1
- Indoor unit 1
- Service manual 1
- Applied control and functions including circuit configuration 37 2
- Contents 2
- Control outline 30 2
- Parts rating 25 2
- Precautions for safety 6 2
- Refrigerant cycle diagram 29 2
- Specifications 12 2
- Troubleshooting 67 2
- Wiring diagrams 14 2
- Detachments 105 3
- Exploded diagram service parts list 147 3
- P c board exchange procedures 98 3
- Definition of qualified installer or qualified service person the air conditioner must be installed maintained repaired and removed by a qualified installer or qualified service person when any of these jobs is to be done ask a qualified installer or qualified service person to do them for you a qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below 4
- Generic denomination air conditioner 4
- Original instruction 4
- Please read carefully through these instructions that contain important information which complies with the machinery directive directive 2006 42 ec and ensure that you understand them 4
- Caution 5
- Danger 5
- Definition of protective gear when the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing in addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries 5
- Explanation of illustrated marks 5
- Explanation of indications 5
- Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed 5
- Indicates contents assumed that an injury or property damage may be caused on the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed 5
- Indicates possibilities assumed that a danger causing a death or serious injury of the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed 5
- Property damage enlarged damage concerned to property furniture and domestic animal pet 5
- 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 indications illustrated marks and keep them 5
- Warning 5
- Warning indication description 6
- Warning indications on the air conditioner unit confirmation of warning label on the main unit confirm that labels are indicated on the specified positions if removing the label during parts replace stick it as the original 6
- Danger 7
- Precautions for safety 7
- The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual 7
- Warning 8
- Explanations given to user if you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the off position and contact a qualified service person to have the repairs done do not set the circuit breaker to the on position until the repairs are completed 11
- Relocation only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner it is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result when carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 11
- Declaration of conformity 12
- This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent 12
- Specifications 13
- 1 compact 4 way cassette type 15
- Models mmu ap0074mh e tr ap0094mh e tr ap0124mh e tr ap0154mh e tr ap0184mh e tr 15
- Wiring diagrams 15
- 2 1 way cassette type compact type yh 16
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 16
- Control p c board for indoor unit 16
- Models mmu ap0074yh e tr ap0094yh e tr ap0124yh e tr 16
- 3 1 way cassette type sh 17
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 17
- Control p c board for indoor unit 17
- Models mmu ap0154sh e tr ap0184sh e tr ap0244sh e tr 17
- 4 concealed duct standard type 18
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 18
- Control p c board for indoor unit 18
- Models mmd ap0074bh e tr ap0094bh e tr ap0124bh e tr ap0154bh e tr ap0184bh e tr ap0244bh e tr ap0274bh e tr ap0304bh e tr ap0364bh e tr ap0484bh e tr ap0564bh e tr 18
- 5 concealed duct high static pressure type 19
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 5 when installing the drain pump connect the froat switch connector to cn30 connector 6 position is connected to terminal block when change to static pressure exchange the lead wire of arrow position after check the terminal number as figure and lead wire s color of fan motor 7 be careful when modify the static pressure the static pressure of high tap is different by 50hz or 60hz 19
- Control p c board for indoor unit 19
- Models mmd ap0184h e tr ap0244h e tr ap0274h e tr ap0364h e tr ap0484h e tr 19
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 5 when installing the drain pump connect the froat switch connector to cn30 connector 6 position is connected to terminal block when change to static pressure exchange the lead wire of arrow position after check the terminal number as figure and lead wire s color of fan motor 7 be careful when modify the static pressure the static pressure of high tap is different by 50hz or 60hz 20
- Control p c board for indoor unit 20
- Models mmd ap0724h e tr ap0964h e tr 20
- 6 slim duct type 21
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 21
- Control p c board for indoor unit 21
- Models mmd ap0074sph e tr ap0094sph e tr ap0124sph e tr ap0154sph e tr ap0184sph e tr 21
- 7 ceiling type 22
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 5 when installing the drain pump connect the froat switch connector to cn34 connector 22
- Control p c board for indoor unit 22
- Models mmc ap0154h e tr ap0184h e tr ap0244h e tr ap0274h e tr ap0364h e tr ap0484h e tr 22
- 8 floor standing cabinet type 23
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 23
- Control p c board for indoor unit 23
- Models mml ap0074h e tr ap0094h e tr ap0124h e tr ap0154h e tr ap0184h e tr ap0244h e tr 23
- 9 floor standing concealed type 24
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 24
- Control p c board for indoor unit 24
- Models mml ap0074bh e tr ap0094bh e tr ap0124bh e tr ap0154bh e tr ap0184bh e tr ap0244bh e tr 24
- 10 floor standing type 25
- Broken line indicate the wiring at site long dashed short dashed line indicate the accessories 2 indicates the terminal block indicates the connection terminal indicates the connector on the control p c board 3 indicates the protection ground 4 indicates the control p c board 25
- Control p c board for indoor unit 25
- Models mmf ap0154h e tr ap0184h e tr ap0244h e tr ap0274h e tr ap0364h e tr ap0484h e tr ap0564h e tr 25
- 1 indoor unit 26
- Compact 4 way cassette type 26
- Parts rating 26
- Way cassette type 26
- Concealed duct high static pressure type 27
- Concealed duct standard type 27
- Model mmd ap 0074bh 0094bh 0124bh 0154bh 0184bh 27
- Model mmd ap 0184h 0244h 0274h 0364h 0484h 27
- Model mmd ap 0244bh 0274bh 0304bh 0364bh 0484bh 0564bh 27
- Model mmd ap 0724h 0964h 27
- Ceiling type 28
- Floor standing cabinet type 28
- Floor standing concealed type 28
- Model mmc ap 0154h 0184h 0244h 0274h 0364h 0484h 28
- Model mmd ap 0074sph 0094sph 0124sph 0154sph 0184sph 28
- Model mml ap 0074bh 0094bh 0124bh 0154bh 0184bh 0244bh 28
- Model mml ap 0074h 0094h 0124h 0154h 0184h 0244h 28
- Slim duct type 28
- Floor standing type 29
- Model mmf ap 0154h 0184h 0244h 0274h 0364h 0484h 0564h 29
- Caution 30
- Explanation of functional parts in indoor unit 30
- Heat exchanger at indoor side 30
- Indoor unit 30
- Refrigerant cycle diagram 30
- Control outline 31
- Control specifications 31
- Indoor unit 31
- No item specification outline remarks 32
- No item specification outline remarks 33
- No item specification outline remarks 34
- No item specification outline remarks 35
- Check code p12 36
- Dc motor 1 when the fan is turned on the positions of the stator and rotor are determined the motor turns in incremental steps 2 the fan operates in accordance with commands issued by the indoor controller 36
- During group operation position setting can be performed individually or collectively 2 swing setting the swing sign is displayed along with alternating images as shown below 36
- During group operation swing setting can be performed individually or collectively 3 set louver positions 36
- Louver control 1 louver position setting when the louver position is changed the louver turns all the way down before settling in the set position louver position is adjustable in the range shown in the diagrams below 36
- No item specification outline remarks 36
- Note if fan motor lock is detected the indoor unit is turned off with an error display provided 36
- Note if the fan is rotating while the air conditioner is turned off due to an inflow of outside air or some other reason the indoor unit may operate without turning on the fan motor 36
- Selection of central control mode 36
- The range of operations that can be performed via an indoor unit remote controller can be determined through the setting of the central controller 2 setting details 36
- No item specification outline remarks 37
- 1 1 when main sub remote controller connected 38
- 1 indoor controller block diagram 38
- Applied control and functions including circuit configuration 38
- 1 2 when wireless remote controller kit connected 40
- 1 3 when both main sub remote controller and wireless remote controller kit connected 42
- 2 indoor printed circuit board 44
- 3 optional connector specifications of indoor p c board 46
- Function connector no pin no specification remarks 46
- 4 test operation of indoor unit 47
- Check function for operation of indoor unit functions at indoor unit side 47
- How to clear open chk pin while the system is operating it stops once but automatically returns to operation after several minutes 47
- How to operate 1 short circuit chk pin cn71 on the indoor p c board the operation mode differs according to the indoor unit status in that time normal time both float sw and fan motor are normal abnormal time either one of float sw or fan motor is abnormal 2 restricted to the normal time if short circuiting disp pin cn72 on the indoor p c board in addition to short circuit of chk pin cn71 on the indoor p c board the minimum opening degree 30 pls can be set to the indoor pmv only when open disp pin the maximum opening degree 1500 pls can be obtained again 47
- This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit this function can be used regardless of operation or stop of the system however if using this function for a long time a trouble of the equipment may be caused limit using this function within several minutes 47
- To exchange the indoor pmv coil set the indoor pmv to max opening degree for the detailed positions of chk pin cn71 on indoor p c board and disp pin cn72 on indoor p c board refer to the indoor p c board mcc 1570 47
- 5 method to set indoor unit function dn code 48
- Dn item description at shipment 49
- Function code no dn code table includes all functions needed to perform applied control on site 49
- Built in filter 4 way cassette 0000 standard filter factory default ceiling 0000 standard filter factory default concealed duct standard 0000 standard filter factory default 0001 high performance filter 65 90 50
- Ceiling 50
- Compact 4 way cassette 50
- D0 whether the power saving mode can be set by the remote controller 50
- Dn item description at shipment 50
- External interlock release condition 0000 operation stopped 0001 release signal received 0000 operation stopped 50
- High ceiling adjustment air flow selection 1 way cassette sh 50
- Invalid 0001 valid 0001 valid 50
- Slim duct 0000 standard factory default 0001 high static pressure 1 0003 high static pressure 2 0006 high static pressure 3 50
- Standard 50
- Static pressure selection concealed duct standard 0000 standard factory default 0001 high static pressure 1 0003 high static pressure 2 0006 low static pressure 50
- Timer setting wired remote controller 0000 available can be performed 0001 unavailable cannot be performed 0000 available 50
- Indoor unit capacity dn code 11 51
- Type dn code 10 51
- Value capacity 51
- Value type model 51
- 6 applied control of indoor unit 52
- Control items 52
- Control system using remote controller interface tcb ifcb4e2 52
- Wiring diagram of control system using remote controller interface tcb ifcb4e2 52
- Every pushing button the indoor unit numbers in group control are displayed successively 53
- Push button ok if display goes on 53
- Push concurrently buttons for 4 seconds or more 53
- Pushing returns the status to the usual stop status 53
- Using the setup temp or button specify the code no 53
- Using the timer time or button select the set data at shipment 53
- Ventilating fan control from remote controller 53
- Leaving on prevention control 54
- Power peak cut from indoor unit 54
- Push button 54
- Push button the status returns to the usual stop status 54
- Push concurrently buttons for 4 seconds or more 54
- Using the setup temp or button specify the code no 54
- Using the timer time or button set to the set data 54
- In the example above disconnect the remote controller connections between the indoor units and connect a wired remote controller to the target unit directly before address setting 55
- Lcd starts flashing 55
- Manual address setting using the remote controller 55
- Pair the indoor unit to set and the remote controller one to one 55
- Procedure when setting indoor units addresses first under the condition that indoor wiring has been completed and outdoor wiring has not been started manual setting using the remote controller 55
- Push and hold the and buttons at the same time for more than 4 seconds 55
- Turn on the power 55
- Wiring example of 2 refrigerant lines 55
- Confirming the indoor unit addresses and the position of an indoor unit using the remote controller 57
- Confirming the numbers and positions of indoor units 57
- To see the indoor unit address of an indoor unit which you know the position of 57
- Push and hold the and buttons at the same time for more than 4 seconds 58
- Push the button left side of the button each time you push the button the indoor unit numbers are indicated one after another 58
- Push the button to finish the procedure 58
- To find an indoor unit s position from its address 58
- When checking unit numbers controlled as a group 58
- To select another system address 59
- Changing the indoor unit address using a remote controller 60
- To change an indoor unit address using a wired remote controller 60
- Error clearing function 63
- How to clear the error using the wired remote controller 63
- Monitoring function of wired remote controller 64
- The following monitoring function is available if the remote controller of rbc atm32e is used 64
- Target outdoor unit smms shrm mini smms series 1 2 65
- Target outdoor unit smms i series 4 66
- D501 red lights up when the power is turned on microcomputer works blinks at 1 second intervals 0 second no eeprom or writing error blinks at 10 second intervals 5 second no disp mode blinks at 2 second intervals 1 second function change being set eeprom 2 d403 red lights up on hardware when the power is supplied to the remote controller 3 d503 yellow indoor outdoor central control lights up for the first half 5 seconds while communicating with a central control device blinks for the second half 5 seconds at 0 second intervals 0 second while communicating with the outdoor unit 4 d504 green remote controller communication the group header unit lights up for the first half 5 seconds while communicating with the remote controller blinks for the second half 5 seconds at 0 second intervals 0 second during communication between group indoor header and follower 67
- Led display of circuit board 67
- 1 overview 68
- Troubleshooting 68
- 2 troubleshooting method 69
- Error detected by indoor unit 69
- List of check codes indoor unit 69
- The list below summarizes check codes detected by various devices analyze the check code according to where it is displayed and work out the nature of the fault in consultation with the list when investigating a fault on the basis of a display provided on the indoor remote controller or tcc link central control remote controller see the tcc link remote controller or main remote controller display section of the list when investigating a fault on the basis of a display provided on an outdoor unit see the outdoor 7 segment display section of the list when investigating a fault on the basis of a display provided on the ai net central control remote controller see the ai net central control display section of the list when investigating a fault on the basis of a wireless remote controller controlled indoor unit see the light sensor indicator light block section of the list 69
- The remote controllers main remote controller and central control remote controller and the interface p c board of an outdoor unit are provided with an lcd display remote controller or a 7 segment display outdoor interface p c board to display operational status using this self diagnosis feature the fault site faulty part may be identified in the event of a fault by following the method described below 69
- Error detected by central control device 70
- Error detected by main remote controller 70
- Note the same error e g a communication error may result in the display of different check codes depending on the device that detects it moreover check codes detected by the main remote controller central control device do not necessarily have a direct impact on air conditioner operation 70
- Errors detected by smms outdoor interface typical examples 71
- List of check codes outdoor unit 71
- Mg ctt magnet contactor 73
- Errors detected by ipdu featuring in smms standard outdoor unit typical examples 74
- Note the above check codes are examples only and different check codes may be displayed depending on the outdoor unit configuration e g a super heat recovery multi system for details see the service manual for the outdoor unit 74
- 3 troubleshooting based on information displayed on remote controller 75
- How to read displayed information 75
- Invoke the service check mode by pressing the buttons simultaneously and holding for at least 4 seconds 75
- To check other error history items press the button to select another check code 75
- Using main remote controller rbc amt32e 75
- When the button is pushed normal display is restored 75
- Push the buttons simultaneously and hold for at least 4 seconds 76
- The letters service check light up and the check code 01 is displayed 76
- To check check code relating to another group push zone and group buttons to select a group no do not push the button as it would erase the whole error history of the selected group 76
- To check other error history items push the button to select another check code 01 04 76
- To finish off the service check push the button 76
- Using tcc link central control remote controller tcb sc642tle2 76
- When a group no is selected blinking if there is an error history the unit no and the latest error history information are displayed alternately 76
- Light block check code cause of fault 77
- To identify the check code check the 7 segment display on the header unit to check for check codes not displayed on the 7 segment display consult the list of check codes indoor unit in 6 2 troubleshooting method goes off lighting blinking 0 seconds 77
- Using indoor unit indicators receiving unit light block wireless type 77
- Light block check code cause of fault 78
- F31 outdoor eeprom error 79
- Light block check code cause of fault 79
- Other indications not involving check code 79
- Setting incompatibility automatic cooling heating setting for model incapable of it and heating setting for cooling only model 79
- Test run in progress 79
- 4 check codes displayed on remote controller and smms outdoor unit 7 segment display on i f board and locations to be checked 80
- For other types of outdoor units refer to their own service manuals 80
- Mg ctt magnet contactor 1 total shutdown in case of header unit continued operation in case of follower unit 85
- Mg ctt magnet contactor 92
- Errors detected by tcc link central control device 97
- 5 sensor characteristics 98
- Indoor ta sensor 98
- Indoor tc1 sensor 98
- Indoor tc2 and tcj sensors 98
- Indoor unit 98
- Resistance k ω 98
- Temperature c 98
- Temperature sensor characteristics 98
- 1 replacement of indoor p c boards 99
- Indoor unit 99
- P c board exchange procedures 99
- Method 2 100
- Method 3 100
- Procedure 1 reading setting data from eeprom 101
- Remote controller operation diagram 101
- It is necessary to establish a one to one correspondence between the indoor unit being serviced and the remote controller 102
- Procedure 2 replacing p c board 102
- Replace the faulty p c board with a service p c board 102
- Check the value displayed with the value jotted down in procedure 1 and information proved by the customer 103
- First set the type and capacity codes of the indoor unit 103
- Next write any setting changes made on site after installation such as address settings in the eeprom perform the tasks specified in step 1 again 103
- Procedure 3 writing setting data in eeprom 103
- Push the buttons simultaneously and hold for at least 4 seconds this number corresponds to the same number shown on the remote controller operation diagram 103
- Push the left part of the button to display the indoor unit no one by one in the group control specify the indoor unit no whose service pc board was replaced this operation is not available if the unit no shows 103
- Repeat steps 6 and 7 until all the settings are checked 103
- The button allows you to moved the code no dn code up down by one place 103
- Use the button to change the code no dn code 103
- Use the button to set the code no dn code to 01 to set filter sign lighting time 103
- When finished push the button to bring the system back to normal off state 103
- Eeprom location diagram the eeprom ic10 is mounted on an ic socket use a pair of tweezers etc to remove it when installing it adjust its orientation as shown in the diagram below during eeprom removal installation take care not to bend ic leads 104
- Code no list example 105
- Indoor unit capacity code no 11 105
- Setup data model setup data model 105
- Type code no 10 105
- 1 1 way cassette sh 106
- Ceiling panel rbc us21pge 106
- Detachments 106
- Mmu ap0154sh ap0184sh ap0244sh 106
- Adjust cap 107
- Attachment 107
- Detachment 107
- Electric parts cover 107
- No part name procedure remarks 107
- Attachment 108
- Detachment 108
- No part name procedure remarks 108
- Attachment 109
- Detachment 109
- Electrical control box 109
- No part name procedure remarks 109
- Attachment 110
- Detachment 110
- No part name procedure remarks 110
- Attachment 111
- Detachment 111
- No part name procedure remarks 111
- Attachment 112
- Detachment 112
- No part name procedure remarks 112
- Attachment 113
- Detachment 113
- No part name procedure remarks 113
- Attachment 114
- Detachment 114
- No part name procedure remarks 114
- 2 compact 4 way cassette 115
- Attachment 115
- Before work be sure to stop the power supply of the air conditioner and turn off switch of the power supply breaker otherwise an electric shock may be caused 2 be sure to put on the gloves when working otherwise an injury may be caused with parts sharp edges etc 115
- Ceiling panel rbc um11pg w e 115
- Detachment 115
- Mmu ap0074mh ap0094mh ap0124mh ap0154mh ap0184mh 115
- No part name procedure remarks 1 115
- Preparing work 115
- Attachment 116
- Detachment 116
- No part name procedure remarks 116
- Attachment 117
- Detachment 117
- No part name procedure remarks 117
- Attachment 118
- Detachment 118
- No part name procedure remarks 118
- Attachment 119
- Detachment 119
- No part name procedure remarks 119
- Attachment 120
- Detachment 120
- No part name procedure remarks 120
- Attachment 121
- Detachment 121
- No part name procedure remarks 121
- Attachment 122
- Detachment 122
- No part name procedure remarks 122
- Attachment 123
- Detachment 123
- No part name procedure remarks 123
- Attachment 124
- Detachment 124
- No part name procedure remarks 124
- 3 slim duct 125
- Attachment 125
- Detachment 125
- Mmd ap0074sph ap0094sph ap0124sph ap0154sph ap0184sph 125
- Requirement 125
- Attachment 126
- Detachment 126
- No part name procedure remarks 126
- Attachment 127
- Detachment 127
- In case of drain pump incorporated model 127
- No part name procedure remarks 127
- Attachment 128
- Detachment 128
- No part name procedure remarks 128
- Attachment 129
- Detachment 129
- No part name procedure remarks 129
- 4 concealed duct standard 130
- Mmd ap0074bh ap0094bh ap0124bh ap0154bh ap0184bh ap0244bh ap0274bh ap0304bh ap0364bh ap0484bh ap0564bh 130
- 5 concealed duct high static pressure 133
- Loosen the screws fixing the fan m8 133
- Mmd ap0724h ap0964h 133
- Remove the electrical control box from the side board 2 screws 133
- Remove the electrical control cover 2 screws 133
- Remove the fan motor lead 1 remove the fan motor lead connector 3 positions 2 remove the fan motor lead from the terminal board terminal no f1 f3 3 positions 133
- Remove the side board from the main unit m5 screws 8 pcs 133
- Remove the tc1 tc2 ta tcj sensor leads and pmv coil lead from the control circuit board connector 133
- Remove the three screws fixing the fan assembly and slide the assembly along the guide rail to pull it out 3 m5 tap tight screws 133
- Remove the two screws fixing the motor band 133
- Replace the motor 133
- Replacing the fan motor 133
- 6 ceiling 134
- Attaching 134
- Mmc ap0154h ap0184h ap0244h ap0274h ap0364h ap0484h 134
- Removing 134
- Requirement 134
- Attaching 135
- No component procedure remarks 135
- Removing 135
- No component procedure remarks 136
- Number of fans and attachment structure 136
- Removing 136
- Attaching 137
- No component procedure remarks 137
- Attaching 138
- No component procedure remarks 138
- Removing 138
- Side cover 138
- Attaching 139
- No component procedure remarks 139
- Removing 139
- Attaching 140
- No component procedure remarks 140
- Removing 140
- Attaching 141
- Heat exchanger pmv motor 141
- No component procedure remarks 141
- Removing 141
- 7 floor standing 142
- Electrical component assembly 142
- Mmf ap0154h ap0184h ap0244h ap0274h ap0364h ap0484h ap0564h 142
- Stop the air conditioner and turn off the main power 2 pull the upper part of the intake grille toward you remove the two strings connecting the intake grille and main unit and then pull up the intake grille to remove it 3 follow the procedure below to remove the electrical control box put on the bottom board 142
- Heat exchanger 143
- Perform step 1 and 2 of electrical component assembly 2 remove the two screws fixing the upper cabinet slide the cabinet upward by approximately 30 mm and pull it out toward you 3 follow the procedure below to remove the heat exchanger assembly 143
- Fan assembly 144
- Perform step 1 and 2 of electrical component assembly 2 perform step 2 of heat exchanger 3 follow the procedure below to remove the fan 144
- 8 floor standing cabinet 145
- Removing the heat exchanger 146
- Removing the fan assembly 147
- 1 1 way cassette type yh 148
- Exploded diagram service parts list 148
- E parts 152
- 2 1 way cassette type sh 153
- E parts 156
- 3 compact 4 way cassette type 157
- E parts 160
- 4 slim duct type 161
- E parts 164
- 5 concealed duct standard type 165
- 6 concealed duct high static pressure type 179
- E parts 182
- E parts 186
- 7 ceiling type 187
- E parts 193
- 8 floor standing type 194
- E parts 202
- 9 floor standing concealed type 203
- E parts 208
- 10 floor standing cabinet type 209
- E parts 217
- Check of concentration limit 218
- Important 218
- Warnings on refrigerant leakage 218
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