Mitsubishi Electric PUMY-P112VKM4 Technical & Service Manual page 113

8-6. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
State (CN51)
A B
X
L
1
Y
~ L
2
E
F
Auto changeover (CN3N)
A B
SW1
~ X
E
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.
Silent mode
Demand control
OCH673D
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
Outdoor controller board DIP SW9-2
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 rating: ≤ 0.9W. DC 12 VDC)
A Remote control panel
B Relay circuit
C External input adapter
(PAC-SC36NA-E)
D Outdoor unit control board
SW1
SW2
SW1: Switch
SW2: Switch
X, Y: Relay
( contact rating: ≥ 0.1 A. 15 VDC
min. applicable load: ≤ 1 mA
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
SW1: Switch
SW2: Switch
X, Y: Relay
contact rating: ≥ 0.1 A. 15 VDC
(
min. applicable load: ≤ 1 mA
SW1 SW2
ON
OFF OFF
ON OFF
ON ON
OFF ON
113
E Lamp power supply
F Procure locally
G Max. 10m
E Relay power supply
F Procure locally
G Max. 10 m
ON
Heating
Validity of SW1 Invalidity of SW1
)
E Relay power supply
F Procure locally
G Max. 10 m
)
Function
─ Silent mode operation
100% (Normal)
75%
50%
0% (Stop)
OFF
Cooling