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