Design Technical Manual


EXTERNAL HEATER OUTPUT
(External output4)
Control Primary heater Auxiliary heater
Installation
congration
Function Setting
Indoor unit Wired R. C. Outdoor unit
Control
switching
external
heaters
No.61
IU fan setting for
external heater
DIP-SW2-3
Sensor activation
(UT Y-RNRU, UTY-
RNRUZ*, UTY-
RSRY, UT Y- RH RY,
or UT Y-RNKU)
Presence of heater
selection control
using outdoor unit
sensor No.35
Auxiliary heater
control 1
VRF Heat Pump External device
In-line
61-00
ON (Enable) - -
Individual OFF - -
Auxiliary heater
control 2
VRF Heat Pump External device
In-line
61-01
ON (Enable) - -
Individual OFF - -
Heat pump
prohibition
control
External device None
In-line
61-02
ON (Enable) - -
Individual OFF ON (Enable) *1 -
Auxiliary
heater control
by outdoor
temperature 1
VRF Heat Pump
External device
*2
In-line
61-03
ON (Enable) -
35-01 (Enable)
Individual OFF ON (Enable) *1
Auxiliary heater
selection
control by
outdoor
temperature 2
VRF Heat Pump External device
In-line
61-04
ON (Enable) -
35-01 (Enable)
Individual OFF ON (Enable) *1
Auxiliary heater
selection
control by
outdoor
temperature 3
VRF Heat Pump
External device
*2
In-line
61-05
ON (Enable) -
35-01 (Enable)
Individual OFF ON (Enable) *1
Auxiliary heat
pump control
External device VRF Heat Pump
In-line
61-06
ON (Enable) - -
Individual OFF ON (Enable) *1 -
Auxiliary heat
pump control
by outdoor
temperature 1
External device
VRF Heat Pump
*3
In-line
61-07
ON (Enable) -
35-01 (Enable)
Individual OFF ON (Enable) *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 shaded items in the table, setting change from the factory setting is required.
¾
1: Indoor unit fan setting will be ON for safety reason without sensor activation of Wired R.C.
¾
2: Heating operation is not performed when the outdoor temperature exceeds the boundary specied in
function number 37 setting.
¾
3: Heating operation is not performed when the outdoor temperature is lower than the boundary specied
in function number 36 setting.
- (08 - 33) -
EXTERNAL INPUT & OUTPUT EXTERNAL INPUT & OUTPUT