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Outline of Control (Indoor Unit)
SiUS331708EA
79
Functions and Control
6.12 Heater Control (FXTQ-TA Models)
Note:
Optional heater kit HKS... is required.
For FXTQ-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) (FXTQ-TA Models
) on
6.12.1 Auxiliary Electric Heater Control
If heating is insufficient in heat pump system alone, an electric heater is to be used as the auxiliary
heater. The following shows the ON/OFF conditions for the electric heater.
&
&
&
• Heating/Automatic heating
• Auxiliary heater enabled: 1
• Not in heating/Automatic heating
• Auxiliary heater enabled: 0 (
∗
3)
Heater not allowed
Heater allowed
Heater 1: OFF
Heater 2: OFF
OR
OR
OR
Thermostat OFF/Operation OFF
Heater 1: OFF
Heater 2: OFF
Thermostat OFF
Thermostat ON
Thermostat ON
Condition C
Condition B
Condition B
Thermostat OFF
H/P Heating: In operation
Heater 1: OFF
Heater 2: OFF
Fan: ON
H/P Heating: In operation
Heater 1: ON
Heater 2: OFF
Fan: ON
H/P Heating: In operation
Heater 1: ON
Heater 2: ON
(OFF for single heater)
Fan: ON
H/P In defrost/oil return
Heater 1: ON
Heater 2: OFF
Fan: ON
ENTRY/
5 minutes timer starts.
ENTRY/
5 minutes timer starts.
• Not Condition A
• Thermostat step 2: OFF
• Condition A
• Time up
• Thermostat step 2: ON
Not
Condition A
Not
Condition B
• Thermostat step 3: OFF
• Electric heater capacity setting:
Setting not available
• Thermostat step 3: ON
• Time up
• Electric heater capacity
setting (
∗
5): Setting available
Содержание RXSQ24TAVJU
Страница 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Страница 289: ...SiUS331708EA Wiring Diagrams Appendix 276 1 Wiring Diagrams 1 1 Outdoor Unit RXSQ24 36TAVJU 3D109545A...
Страница 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Страница 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
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