Special Functions - Mitsubishi Electric PUMY-P36NHMU3 Manuel D'installation

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8. Special Functions

8.1. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
• State (CN51)
A
B
X
L
X
1
Y
L
~
Y
2
E
F
• Auto change over (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.
Outdoor controller board DIP SW9-2
Silent mode
OFF
Demand control
ON
C
D
CN51
5
5
4
3
1
G
C
D
CN3N
1
1
2
3
3
G
C
D
CN3D
1
1
2
3
3
G
SW1
SW2
ON
OFF
OFF
ON
OFF
ON
ON
OFF
ON
A Distant control board
B Relay circuit
C External output adapter (PAC-SA88HA-E)
D Outdoor unit control board
L1: Error display lamp
L2: Compressor operation lamp
X, Y: Relay (Coil standard of 0.9W or less for DC 12V)
X, Y: Relay (DC1mA)
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
ON
SW1
Heating
SW2
Validity of SW1
Invalidity of SW1
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
Function
Silent mode operation
100% (Normal)
75%
50%
0% (Stop)
E Lamp power supply
F Procure locally
G Max. 10 m [33 ft]
E Relay power supply
F Procure locally
G Max. 10 m [33 ft]
OFF
Cooling
E Relay power supply
F Procure locally
G Max. 10 m [33 ft]
en
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