MXZ-SM48NAMHZ Installation Manual

21
8. 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 [33 ft]
L1: Error display lamp
L2: Compressor operation lamp
X, Y: Relay (coil rating: [ 0.9 W, 12 V DC)
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 [33 ft]
ON OFF
SW1 Heating Cooling
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
E Relay power supply
F Procure locally
G Max. 10 m [33 ft]
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
CN3N
X
Y
SW1
SW2
1
2
3
~
Y
X
1
3
A C
D
E
B
G
F
CN3D
X
Y
SW1
SW2
1
2
3
~
Y
X
8.1. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR
• State (CN51)
• Auto change over (CN3N)
• Silent Mode / Demand Control (CN3D)
SW1: Switch
SW2: Switch
X, Y: Relay
contact rating : ] 0.1 A, 15 V DC
min. applicable load: [ 1 mA
(
SW1: Switch
SW2: Switch
X, Y: Relay
contact rating : ] 0.1 A, 15 V DC
min. applicable load: [ 1 mA
(
)
)
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)
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