Service Manual

Outline of Control (Indoor Unit) SiUS281811E
106 Part 4 Functions and Control
Note(s)
6.10 Heater Control (FTQ-TA Models)
Optional heater kit HKS... is required.
For FTQ-TA models, heater ON/OFF output from wiring adaptor interlocks with the operation of
heater kit HKS….(When the heater 1 turns ON/OFF, heater output of wiring adaptor turns ON/
OFF.)
Fan residual operation also interlocks with the fan residual operation of heater kit HKS…. The
residual time will be 90 seconds. (Refer to Fan Control (Heater Residual) (FTQ-TA Models) on
page 111.)