SiUS341615E
Outline of Control (Indoor Unit)
Functions and Control
92
8.13 3 Step Thermostat Processing (FXTQ-TA Models)
Outline
The thermostat ON/OFF for the indoor unit is controlled in accordance with [Thermostat Step 1].
The heater ON/OFF operation during heating is controlled as follows.
Thermostat step 2, 3: Auxiliary electric heater control
Thermostat step 1, 2: Heat pump lockout control
For more details of the heater, refer to Heater Control (FXTQ-TA Models) on page 89.
Detail
Note:
∗
1.
S
value varies automatically based on the room temperature trend.
∗
2. Ton +
S
> –
B
(°C), Toff +
S
<
A
(°C)
∗
3. For parameters, refer to page 106.
∗
4.
A
and
B
values vary automatically based on the field setting 12(22)-2.
∗
5. If, directly after a change in conditions, it is such that the thermostat could be either ON or OFF
(controlled temperature is within ranges
A
and
B
), the thermostat will be switched to ON.
&
•
No errors (except errors in which the system keeps operating)
has occurred.
•
Remote controller ON
• Thermostat step 1: OFF
• Thermostat step 2: OFF
• Thermostat step 3: OFF
Elimination conditions of the above
Perform the processing in
the following chart. (
∗
5)
(1) Cooling
(2) Heating
Thermostat step 2
Thermostat step 1
ON
OFF
ON
OFF
2+
S
(
∗
1)
4+
S
(
∗
1)
A
(
∗
4)
B
(
∗
4)
Controlled temperature
(Tcon)(˚C)
Set temperature (Ts’)
Thermostat step 3
Thermostat step 2
Thermostat step 1
ON
OFF
ON
OFF
ON
OFF
1.5
1.5
Toff+
S
(
∗
1,2,3)
Ton+
S
(
∗
1,2,3)
A
(
∗
4)
B
(
∗
4)
Set temperature (Ts’)
Controlled
temperature
(Tcon)(˚C)
Содержание RXYQ-TA Series
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Страница 320: ...Wiring Diagrams SiUS341615E 307 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXYQ72TAYDU 3D106438A...
Страница 321: ...SiUS341615E Wiring Diagrams Appendix 308 RXYQ96 120TAYDU 2D106439A...
Страница 322: ...Wiring Diagrams SiUS341615E 309 Appendix RXYQ144 168TAYDU 2D106440A...
Страница 323: ...SiUS341615E Wiring Diagrams Appendix 310 RXYQ72TATJU 3D106435A...
Страница 324: ...Wiring Diagrams SiUS341615E 311 Appendix RXYQ96 120TATJU 2D106436A...
Страница 325: ...SiUS341615E Wiring Diagrams Appendix 312 RXYQ144 168TATJU 2D106437A...
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Страница 336: ...Revision History Month Year Version Revised contents 02 2017 SiUS341615E First edition...