Special Functions - Mitsubishi Electric CITY MULTI PUMY-SP112VKM Installation Manual

8. Special functions

8.1. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
• State (CN51)
A B
X
L X
1
Y
L
~ Y
2
E
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
(Cooling only)
Demand control ON
• External static pressure mode (30 Pa)
The external static pressure mode (30 Pa) is enabled by switching the DIP switch SW6-5 on the outdoor controller board to ON.
However, the silent mode cannot be used when this mode is enabled.
Outdoor controller board DIP
SW6-5
External static pressure mode
(30 Pa)
C
D
CN51
5
5
4
3
1
G
C
D
CN3D
1
1
2
3
3
G
SW1
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON OFF
Enabled Disabled
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
SW2 Function
OFF Normal
OFF Silent mode
ON Super silent mode 1
ON Super silent mode 2
OFF 100% (Normal)
OFF 75%
ON 50%
ON 0% (Stop)
E Lamp power supply
F Procure locally
G Max. 10 m
E Relay power supply
F Procure locally
G Max. 10 m
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