Fujitsu AUYG18LVLB Design & Technical Manual page 237

 Fresh air control output
Signal linked to air conditioner indoor fan on can be output.
* However, signal becomes off during cold air prevention control operation.
• Circuit diagram example
Indoor unit
control PCB
12 V
On/Off
– *: Make the distance from the PCB to the connected unit within 10 m.
– Relay spec.: Rated DC 12 V, 50 mA to less.
Indoor fan
Output signal
• Optional part
Indoor unit type
Compact cassette
Cassette
Slim duct
Duct
Floor/Ceiling
Ceiling
*: This wire is included in fresh air intake kit (UTZ-VXAA).
6-1. Indoor unit
Indoor unit type
Compact cassette
Cassette
Slim duct
Duct
Floor/Ceiling
Ceiling
Example:
Connector
Relay unit
1
2
10 m*
Signal
Operation
Stop
On
Off
Fresh air intake kit
Fresh air intake kit
External control set
External control set
Connected unit
Example: Fan
Locally purchased
Part name
—
—
- 229 -
Connector
CN6
CN6
CN6
CN6
—
—
Relay
power
supply
Model name
*
UTZ-VXAA
*
UTZ-VXAA
UTD-ECS5A
UTD-ECS5A
—
—
6. External input and output