Fujitsu ACUH09LUAS1 Design & Technical Manual page 41

¢ External heater output
Control
Auxiliary heater control 1
Auxiliary heater control 2
Heat pump prohibition
control
Auxiliary heater control by
outdoor temperature 1
Auxiliary heater control by
outdoor temperature 2
Auxiliary heater control by
outdoor temperature 3
Auxiliary heat pump
control
Auxiliary heat pump
control by outdoor
temperature 1
Auxiliary heat pump
control by outdoor
temperature 2
Auxiliary heat pump
control by outdoor
temperature 3
NOTES:
• After turning off the heater, 3 minutes of standby time is required by next power-on of the
heater.
• For items marked "—" in the table, any of validate or invalidate of the setting are acceptable.
• *1: External device means Hot water, Electrical heater, etc.
8-4. Details of function
Primary heater
Heat pump
Heat pump
External device
Heat pump
Heat Pump
Heat Pump
External device
External device
External device
External device
- 37 -
Auxiliary heater
external heaters No. 61
1
External device*
External device
None
External device
External device
External device
Heat pump
Heat pump
Heat pump
Heat pump
Function setting
Indoor unit
Control switching
61-00
61-01
61-02
61-03
61-04
61-05
61-06
61-07
61-08
61-09
8. External input and output