Fujitsu AUU7RLF Design & Technical Manual page 132

 Circuit diagram example
Indoor unit
control PCB
12 V
Connector
1
On/Off
2
• Relay spec.: Rated DC 12 V, 50 mA to less.
• *: Make the distance from the PCB to the connected unit within 33 ft (10 m).
Operation
Heating
operation
Indoor unit fan
Output signal
CAUTION
!
• Locate an external heater between the indoor unit and the outlet.
• Be sure to use delay control of a fan.
 Optional part
Indoor unit type
Compact cassette
Slim duct
Wall mounted
Floor
Example:
Relay unit
33 ft
(10 m)*
Signal
Locally purchased
Stop
On
Off
On
Off
External
Heater
Supply air
Parts name
External control set
- 126 -
Connected unit
Example: Heater
1min
Indoor unit
Return air
—
—
—
Relay
power
supply
Model name
—
UTD-ECS5A
—
—