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■MCC-1777
Connector
Function
PMV 1
PMV 2
TC1
TCJ
TC2
TA
TF
*1
TX
Defrost mode
Digital output
Thermostat on
Digital output
Fan motor active
Digital output
Output 1 (0-10V)
Output 2 (0-10V)
(No function)
Input 1 (0-10V)
Input 2 (0-10V)
(No function)
Input 1 (4-20mA)
Input1(4-20mA)
(No function)
External ON/OFF
input
Operating output
Alarm active
Digital output
FAN speed HH
FAN speed H
FAN speed L
Cooling oil recovery /
Heating refrigerant recovery
control
Pre defrost signal output
Cool (open) / Heat (close)
output
Notice output
Safety (Normal close)
External trouble input
Forced thermostat OFF Input
Notice Input
Operation Mode Input (Cool /
Heat)
Modbus A
Modbus B
Digital output 1 (user defined)
Digital output 2 (user defined)
*1 : The TX sensor can be used by connecting an Optional sensor (for Ta or TF) (sold separately).
*2 : For safety, the output will change depending on the combination with SW701. Refer to the Terminal DI1 / ＊ DI1 page for details.
LED position and details
P.C. board LED
D501 (Red)
MCU power supply
Communication line (Uv(U1), Uv(U2))
D503 (Yellow)
(Main bus communication)
Remote controller wiring (A, B)
D504 (Green)
(Sup bus communication)
D505 (Orange)
Mod bus communication
Sub bus power supply
D403 (Red)
(Remote controller wiring (A, B))
Connector
Pin No.
No. CN
color
82
(BLU)
84
(BLK)
100
(BRN)
102
(RED)
101
(BLK)
104
(YEL)
103
(GRN)
105
(WHI)
60
(WHI)
60
(WHI)
62
(BLU)
60
(WHI)
602
(BLU)
602
(BLU)
601
(WHI)
601
(WHI)
600
(WHI)
600
(WHI)
61
(YEL)
61
(YEL)
61
(YEL)
63
(RED)
63
(RED)
63
(RED)
62
(BLU)
62
(BLU)
62
(BLU)
62
(BLU)
90
(GRN)
90
(GRN)
90
(GRN)
90
(GRN)
90
(GRN)
45
(WHI)
45
(WHI)
64
(RED)
64
(RED)
Meaning of lighting
Lights when the power is turned on
Flashes every 5 seconds.
With central control: lighting and flashing every 5 seconds.
Flashes every 5 seconds.
Group: lighting and flashing every 5 seconds.
When connected to Modbus, it lights up every 5 seconds.
Sub bus Lights while power is being supplied.
Wire color
1
(WHI)
2
(YEL)
3
(ORN)
4
(BLU)
5
-
6
(RED)
1
(WHI)
2
(YEL)
3
(ORN)
4
(BLU)
5
-
6
(RED)
1
(BLU)
3
1
(RED)
2
1
(BLK)
2
1
(BLK)
2
1
(RED)
2
1
-
2
2
(BLU)
3
(ORN)
1
(RED)
6
(BLK)
1
(BLU)
2
(BLK)
3
(BLU)
4
(BLK)
1
(WHI)
2
(BLK)
3
(WHI)
4
(BLK)
3
(BLU)
4
(BLK)
5
(YEL)
6
(BLK)
1
(BLU)
2
(BLK)
4
(WHI)
5
(RED)
6
(BRN)
2
(YEL)
3
(GRN)
4
(BLU)
3
(WHI)
4
(BRN)
5
(BLU)
6
(GRN)
1
(RED)
2
(WHI)
3
(BLU)
4
(ORN)
5
(GRN)
6
(YEL)
5
(YEL)
4
(ORN)
2
(RED)
3
(WHI)
- 34 -
Specification
-
-
-
-
-
DC12V
-
-
-
-
-
DC12V
-
-
-
-
-
-
Output
Output
12V
Output
Output
GND
Output
GND
Input
GND
Input
GND
Input
GND
Input
GND
5V
GND
Output
12V
Output
Output
Output
Output
Output
Output
Output
Output
*2
GND
Input
Input
Input
Input
Input
-
-
Output
Output
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Troubleshooting
