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18
9. Special Functions
A Distant control board
B Relay circuit
C External output adapter (PAC-SA88HA-E)
D Outdoor unit control board
E Lamp power supply
F Procure locally
G Max. 10 m
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)
The wiring between B and C is completed before shipping from the factory.
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 SW1 SW2 Function
Silent mode OFF ON – Silent mode operation
Demand control ON OFF OFF 100 % (Normal)
ON OFF 75 %
ON ON 50 %
OFF ON 0 % (Stop)
This product is capable of all three Demand Response Mode (DRM1, 2, 3). (DRED compliant to AS/NZS 4755.3.1:2012)
Demand Response Mode Description
DRM1 Compressor Off.
DRM2 Total electrical energy consumption of the system is not more than 50%.
DRM3 Total electrical energy consumption of the system is not more than 75%.
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
E Relay power supply
F Procure locally
G Max. 10 m
CN51
X
5
4
3
A C
D
5
E
1
B
G
Y
F
~
Y
X
L1
L2
1
3
A C
D
E
B
G
F
CN3D
X
Y
SW1
SW2
1
2
3
~
Y
X
9.1. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
• State (CN51)
• Silent Mode / Demand Control (CN3D)
• Demand Response Mode (CN3S, CN3D)
CN3D
CN3S
1
3
1
3
RED
BRN
YLW
WHT
1
2
3
C
Common
DRM3
DRM2
DRM1
A
C
B
A DRED (Demand controller)
B Terminal bed
C Outdoor unit control board
To use this function, DIP switch SW5-1 must be set to OFF and the existing CN3S and CN3D lead wires must be removed. In addition, this function cannot be used at the
same time as the Demand Response Modes above.
Input:12 V DC, 1mA
A Remote control panel
B Relay circuit
C External input adapter (PAC-SC36NA-E)
D Outdoor unit control board
E Relay power supply
F Procure locally
G Max. 10 m
ON OFF
SW1 Heating Cooling
SW2 Validity of SW1 Invalidity of SW1
1
3
A C
D
E
B
G
F
CN3N
X
Y
SW1
SW2
1
2
3
~
Y
X
• Auto change over (CN3N)
BH79D391L03_EN.indd 18 7/17/2015 1:08:21 PM
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