Outdoor Unit Input/Output Connector - Mitsubishi PUMY-P60NKMU Technical & Service Manual

8-6. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR

State (CN51)
L
1
~ L
2
Auto change over (CN3N)
SW1
~
X
SW2
Y
Silent Mode / Demand Control (CN3D)
SW1
~
X
SW2
Y
The silent mode and the demand control are selected by switching the Dip switch 2-6 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
OCH502C
X
X
Y
CN51
Y
5
4
3
CN3N
X
1
2
3
Y
CN3D
X
1
2
3
Y
Outdoor controller board DIP SW2-6 SW1 SW2
OFF ON
ON OFF
ON
ON
OFF
Distant control board
Relay circuit
External output adapter (PAC-SA88HA-E)
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 DC 12V)
X, Y: Relay (DC1mA)
Remote control panel
Relay circuit
External input adapter (PAC-SC36NA)
Outdoor unit control board
ON
SW1 Heating
Validity of SW1
SW2
Remote control panel
Relay circuit
External input adapter (PAC-SC36NA)
Outdoor unit control board
Function
— Silent mode operation
OFF 100% (Normal)
OFF 75%
ON 50%
ON 0% (Stop)
85
Lamp power supply
Procure locally
Max. 10m
Relay power supply
Procure locally
Max. 10m
OFF
Cooling
Invalidity of SW1
Relay power supply
Procure locally
Max. 10m