Control
Primary
heater
Auxiliary
heater
Installation
configuration
Function setting
Wired remote
controller
Outdoor unit
Sensor activation
Presence of heater
selection control
using outdoor unit
sensor
UTY-RNRUZ
UTY-RSRY
UTY-RHRY
UTY-RNKU
Function no: 35
Auxiliary heater
control 1
VRF heat
pump
External
device
In-line — —
Individual — —
Auxiliary heater
control 2
VRF heat
pump
External
device
In-line — —
Individual — —
Heat pump
prohibition control
External
device
None
In-line — —
Individual
On (Enabled)*
1
—
Auxiliary heater
control by outdoor
temperature 1
VRF heat
pump
External
device*
2
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
Auxiliary heater
control by outdoor
temperature 2
VRF heat
pump
External
device
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
Auxiliary heater
control by outdoor
temperature 3
VRF heat
pump
External
device*
2
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
Auxiliary heat
pump control
External
device
VRF heat
pump
In-line — —
Individual
On (Enabled)*
1
—
Auxiliary heat
pump control by
outdoor
temperature 1
External
device
VRF heat
pump*
3
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
Auxiliary heat
pump control by
outdoor
temperature 2
External
device
VRF heat
pump*
2
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
Auxiliary heat
pump control by
outdoor
temperature 3
External
device
VRF heat
pump*
2
*
3
In-line —
35-01
(Enabled)
Individual
On (Enabled)*
1
NOTES:
•
Corresponding indoor units: Except wall mounted type
• 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.
• For items marked in orange in the table, setting change from the factory setting is required.
• *1: Indoor unit fan setting will be on for safety reason without sensor activation of wired remote
controller.
• *2: Heating operation is not performed when the outdoor temperature exceeds the boundary
specified in function setting number 37.
• *3: Heating operation is not performed when the outdoor temperature is lower than the bound-
ary specified in function setting number 36.
3-3. External output - (08-37) - 3. Indoor unit
EXTERNAL INPUT
AND OUTPUT
EXTERNAL INPUT
AND OUTPUT