Mitsubishi Electric MXZ-4C36NAHZ Service Manual page 101

8-6. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
State (CN51)
A B
X
L
1
Y
~ L
2
E
F
Auto change over (CN3N)
A B
SW1
E ~ X
X
SW2
Y
Y
F
Silent Mode / Demand Control (CN3D)
A B
SW1
~ X
E
X
SW2
Y
Y
F
The silent mode and the demand control are selected by switching the DIP switch 9-2 on outdoor controller board.
It is possible to set it to the following power consumption (compared with ratings) by setting SW1, 2.
Outdoor controller board DIP SW9-2 SW1 SW2
Silent mode OFF
Demand control ON
OCH573
C
D
X
CN51
Y
5
5
4
3
1
G
C
D
CN3N
1
1
2
3
3
G
C
D
CN3D
1
1
2
3
3
G
ON —
OFF OFF
ON OFF
ON ON
OFF ON
A Distant control board
B Relay circuit
C External output adapter (PAC-SA88HA-E)
D Outdoor unit control board
L : Error display lamp
1
L : Compressor operation lamp
2
X, Y: Relay (Coil standard of 0.9W or less for 12 V DC)
X, Y: Relay (1mA DC)
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
ON
SW1 Heating
Validity of SW1 Invalidity of SW1
SW2
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
Function
Silent mode operation
100% (Normal)
75%
50%
0% (Stop)
101
E Lamp power supply
F Procure locally
G Max. 10 m
E Relay power supply
F Procure locally
G Max. 10 m
OFF
Cooling
E Relay power supply
F Procure locally
G Max. 10 m