Outline of Control (Indoor Unit)
SiUS342303E
145
Part 4 Functions and Control
Note(s)
9.14 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)
Detail
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 164.
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 occ
u
rred.
•
Remote controller ON
• Thermostat step 1: OFF
• Thermostat step 2: OFF
• Thermostat step 3: OFF
Other conditions
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 temperat
u
re
(Tcon)(°C)
Set temperat
u
re (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 temperat
u
re (Ts’)
Controlled
temperat
u
re
(Tcon)(°C)
Содержание VRV EMERION RXYQ-AATJA
Страница 1: ...Service Manual Heat Pump 60 Hz RXYQ AATJA 208 230 V RXYQ AAYDA 460 V SiUS342303E...
Страница 380: ...Check SiUS342303E 373 Part 6 Service Diagnosis Reference Reference CHECK 7 Refer to page 379 CHECK 8 Refer to page 380...
Страница 405: ...SiUS342303E Wiring Diagrams Part 7 Appendix 398 RXYQ72 96 120 144 168 192 216 240AAYDA C 2D140769B...
Страница 406: ...Wiring Diagrams SiUS342303E 399 Part 7 Appendix 1 2 Indoor Unit FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
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Страница 411: ...SiUS342303E Wiring Diagrams Part 7 Appendix 404 FXDQ07 09 12 18 24MVJU C 3D050501C...
Страница 413: ...SiUS342303E Wiring Diagrams Part 7 Appendix 406 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Страница 416: ...Wiring Diagrams SiUS342303E 409 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C...
Страница 417: ...SiUS342303E Wiring Diagrams Part 7 Appendix 410 FXAQ07 09 12 18 24PVJU 3D075354F...
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