Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 105

8-4. 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
(Cooling only)
Demand control
OCH668B
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 (1 mA DC)
A Remote control panel
D
B Relay circuit
C External input adapter (PAC-SC36NA-E)
CN3N
D Outdoor unit control board
1
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
OFF OFF Normal
ON OFF Silent mode
OFF ON Super silent mode 1
ON ON Super silent mode 2
OFF OFF 100% (Normal)
ON OFF 75%
ON ON 50%
OFF ON 0% (Stop)
105
E Lamp power supply
F Procure locally
G Max. 10m
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