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■Digital input / output function (MCC-1570)
Connector
Pin
1
CN32
(WHI)
2
1
CN34
2
(RED)
3
1
2
3
CN60
(WHI)
4
5
6
1
2
3
CN61
(YEL)
4
5
6
1
CN70
(WHI)
2
1
CN73
(RED)
2
1
CN80
2
(GRN)
3
1
2
3
CN82
(BLU)
4
5
6
1
2
3
4
5
6
CN510
7
(WHI)
8
9
10
11
12
13-20
Function
DC12V (COM)
Output
COM (DC12V)
External safety contact
DC12V (COM)
Defrosting output
(No function)
(No function)
Operation mode output
Fan output
ON/OFF input
0V (COM) for pin 1, 3
Remote control disabling input
In operation output
DC12V (COM) for pin 4, 6
Alarm output
Option
0V (COM)
Demand input
0V (COM)
COM(DC12V)
COM (DC12V)
External error input
Heating output
Fan active output
Thermo-ON output
Cooling/Secondary heating output
DC12V (COM)
DC12V (COM)
PMV1 12V DC
PMV1 12V DC
PMV1 output A
PMV2 output A
PMV1 output B
PMV2 output B
PMV1 output /A
PMV2 output /A
PMV1 output /B
PMV2 output /B
PMV2 12VDC
PMV2 12VDC
Remarks
Ventilation control
Error code P10, Normal close
ON while outdoor unit defrosted
Cooling : Open, Heating : Close
ON while fan ON
Start/Stop input
Enables/Disables start/stop control
via remote controller
ON during operation
ON while alarm ON
Option error input
Forced thermos-off input
Error input from outside (Interlock,
error code L30)
Signal output during thermos-ON
Select function by DN [DC]
No function
20
Standard /
Relay
Option
-
Option
-
Standard
-
Option
Option
Standard
KP2
Standard
-
Option
Option
-
Standard
KP3
Option
-
Option
-
-
-
Standard
Option
Option
Standard
KP8
Standard
KP9
-
-
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
-
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