Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 89

■ SW9: Function switch
Initial setting
ON
OFF
1 2 3 4
The black square (■) indicates a switch position.
Bit Function
1 Auto change over from
remote controller (IC
with the minimum
address)
2 Switching the Silent/
Demand mode
3 -
4 -
*6. When a PWFY series is connected, this function is always disable regardless of the switch.
8-6. Outdoor unit input/output connector
■ State (CN51)
A
L
1
~ L
2
E
■ Auto changeover (CN3N)
A
E SW1
~
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
OCH790 _89
Operation in each switch setting
ON OFF When to set
Activated Deactivated Before
*6
turning the
power ON
Demand Silent mode Any time
control
- -
- -
B C
X
X
Y
Y
5
4
3
F G
B C
X
1
X
2
3
Y
Y
F G
B C
X
1
X
2
3
Y
Y
F G
Outdoor controller board DIP SW9-2
OFF
ON
Purpose
Enables the indoor unit with the minimum
address to select AUTO mode, and
switches the operation mode of the other
indoor units to the same mode.
-
- -
- -
A: Distant control board
D
B: Relay circuit
CN51
C: External output adapter (PAC-SA88HA-E)
5
D: Outdoor unit control board
1
E: Lamp power supply
F: Procure locally
G: Max. 10m [32 ft]
L1: Error display lamp
L2: Compressor operation lamp
X, Y: Relay (coil rating: ≤ 0.9W. DC 12 VDC)
A: Remote control panel
D
B: Relay circuit
CN3N
C: External input adapter (PAC-SC36NA-E)
1
D: Outdoor unit control board
E: Relay power supply
3
F: Procure locally
G: Max. 10 m [32 ft]
SW1: Switch
SW2: Switch
X, Y: Relay (contact rating: ≥ 0.1 A. 15 VDC, min. applicable load: ≤ 1 mA)
SW1-ON: Heating, SW1-OFF: Cooling
SW2-ON: Validity of SW1, SW2-OFF: Invalidity of SW1
A: Remote control panel
D
B: Relay circuit
CN3D
C: External input adapter (PAC-SC36NA-E)
1
D: Outdoor unit control board
3 E: Relay power supply
F: Procure locally
G: Max. 10 m [32 ft]
SW1: Switch
SW2: Switch
X, Y: Relay (contact rating: ≥ 0.1 A. 15 VDC, min. applicable load: ≤ 1 mA)
SW1 SW2 Function
ON — Silent mode operation
OFF OFF 100% (Normal)
ON OFF 75%
ON ON 50%
OFF ON 0% (Stop)
Additional information
Cannot be set when the centralized
control is ON.
About the Silent mode/Demand control
setting, refer to "Outdoor unit input/output
connector".
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