Heating - Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual

8-5. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
State (CN51)
A
L
1
~ L
2
E
Auto change over (CN3N)
A
SW1
E
~
SW2
Silent Mode / Demand Control (CN3D)
A
SW1
E
~
SW2
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.
Silent mode
Demand control
OCH573E
B C
X
X
Y
Y
5
4
3
G
F
B C
X
1
X
2
3
Y
Y
G
F
B C
X
1
X
2
3
Y
Y
G
F
Outdoor controller board DIP SW9-2 SW1 SW2
OFF
ON
A Distant control board
B Relay circuit
D
C External output adapter (PAC-SA88HA-E)
CN51
D Outdoor unit control board
5
1
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
D
B Relay circuit
C External input adapter (PAC-SC36NA-E)
CN3N
1 D Outdoor unit control board
ON
3
SW1

Heating

Validity of SW1
SW2
A Remote control panel
D
B Relay circuit
CN3D
C External input adapter (PAC-SC36NA-E)
1
D Outdoor unit control board
3
Function
ON — Silent mode operation
OFF OFF 100% (Normal)
75%
ON OFF
ON ON 50%
OFF ON 0% (Stop)
E Lamp power supply
F Procure locally
G Max. 10 m
E Relay power supply
F Procure locally
G Max. 10 m
OFF
Cooling
Invalidity of SW1
E Relay power supply
F Procure locally
G Max. 10 m