Special Functions - Mitsubishi Electric MXZ-8C48NA Para El Instalador

9. Special Functions

9.1. 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
E Relay power supply
F Procure locally
G Max. 10 m
OFF
Cooling
E Relay power supply
F Procure locally
G Max. 10 m
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