External heater output
Control
Auxiliary heater
control 1
Auxiliary heater
control 2
Heat pump
(Hot water electrical
prohibition control
Heater selection
control by outdoor
temperature 1
Heater selection
control by outdoor
(Hot water electrical
temperature 2
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.
• *: setting change from the factory setting is required.
• *: Indoor unit fan setting will be on for safety reason without sensor activation of wired remote
controller.
Installation configuration of individual connection
External heating device is installed individually. (No use of indoor unit fan)
Example of heating device:
- Floor heating device
WARNING
!
• When auxiliary heater is installed, always set "indoor unit fan setting for external heater".
• Design and install external heater appropriately with considering its protection.
• Inappropriate designing and installation of external heater may cause a fire by emitted heat from
the external heater.
• Fujitsu General Ltd. is not responsible for inappropriate designing or installation of external
heating device.
Primary heater
Auxiliary heater
External device
RAC heat pump
(Hot water electrical
heater, etc.)
External device
RAC heat pump
(Hot water electrical
heater, etc.)
External device
heater, etc.)
External device
RAC heat pump
(Hot water electrical
heater, etc.)
External device
RAC heat pump
heater, etc.)
External
heater
Supply air
- 41 -
Indoor unit
Control switching
external heaters
No. 61
61-00
61-01
None
61-02
61-03
61-04
ON / OFF
Indoor unit
Indoor unit
Return air
Function setting
Wired R. C.
Sensor activation
(UTY-RNRUZ1)
—
—
On (Enabled)*
On (Enabled)*
On (Enabled)*