Toshiba MMU-AP0072H2UL Service Manual page 57
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Also See for MMU-AP0072H2UL:
- Engineering data book (213 pages) ,
- Service manual (176 pages) ,
- Manual (28 pages)
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High wall type P.C. Board Optional Switch/Connector Specifications
Connector
Function
No.
Terminator resistor
provided/Not provided
SW01
Remote controller A/B
Fan output
CN32
Optional output
CN60
External error input
CN80
CHK
CN71
Operation check
DISP
CN72
Display mode
EXCT
CN73
Demand
Pin
Specifications
No.
OFF: No terminator resistor,
Bit 1
ON: Terminator resistor provided
OFF: Remote controller A
Bit 2
ON: Remote controller B
1
DC12V
2
Output
1
DC12V (COM)
2
Defrost output
3
Thermo-ON output
4
Cooling output
5
Heating output
6
Fan output
1
DC12V (COM)
2
DC12V (COM)
3
External error input
1
Check mode input
2
0V
1
Display mode input
2
0V
1
Demand input
2
0V
Setup at shipment OFF: No terminator resistor.
Only 1 unit is ON during central control by custom only.
Setup at shipment OFF: Remote controller A
Setup at shipment: Linked operation of ON with operation of
indoor unit and OFF with stop
* The setup of single operation by FAN button on remote
controller is executed from remote controller. (DN = 31)
ON during defrosting of outdoor unit
ON when Real thermo. ON (Comp. ON)
ON when operation mode is cooling line
(Cool, Dry, Cooing/Heating AUTO cooling)
ON when operation mode is heating line
(Heat, Cooling/Heating AUTO heating)
ON when indoor fan is ON
Generates test code "L30" and automatically shuts down air
Generates test code "L30" and automatically shuts down
conditioner ( only if condition presists for 1 minute) (DN:2A = 2, at
air conditioner ( only if condition presists for 1 minute)
shipment from factory)
(DN:2A = 2, at shipment from factory)
A
This check is used for operation check of indoor unit.
(The specified operation such as indoor fan "H", drain pump
ON, etc. is executed without communication with outdoor unit
or remote controller.)
Display mode , commu nication is enabled by indoor unit and
remote controller only.
(When power supply is turned on.)
Timer short (Usual)
Indoor unit forced thermo-OFF operation
57
Remarks
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Troubleshooting
