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D
U
C
T T
YP
E
AR
G
12
-1
8L
LT
B
D
U
C
T T
YP
E
AR
G
12
-1
8L
LT
B
FRESH AIR CONTROL OUTPUT
A signal linked to air conditioner indoor fan ON can be output.
* However, signal becomes OFF during cold air prevention control operation.
Circuit diagram example
z
Field supply
Indoor unit
control PC board
Connector
1
12 V
on/off 2
Signal
Relay
power
supply
* Make the distance from the PC board to the connected unit within 10m.
Relay spec. : Rated 12VDC, 50mA or less.
Ex.) Fan
Connected unit
Ex.) Relay unit
*10 m
Indoor fan
Output signal
ON
OFF
Operation
Stop
Parts (Optional)
z
Model name
UTD-ECS5A
Wire (Fresh air output)