Outline of Control (Indoor Unit)
SiUS372201EB
201
Part 4 Functions and Control
Note(s)
9.14 3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB
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, FXTQ-TB Models)
on page
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 220.
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
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 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)
Summary of Contents for VRV EMERION REYQ-AATJA
Page 1: ...Service Manual Heat Recovery 60 Hz REYQ AATJA B 208 230 V REYQ AAYDA B 460 V SiUS372201EB...
Page 492: ...Wiring Diagrams SiUS372201EB 485 Part 7 Appendix BS6 8Q54TVJ 2D089122B...
Page 493: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 486 BS10 12Q54TVJ 2D089121B...
Page 499: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 492 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Page 501: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 494 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 505: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 498 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 506: ...Wiring Diagrams SiUS372201EB 499 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 513: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 506 FXHQ12 24 36MVJU 3D048116C...
Page 514: ...Wiring Diagrams SiUS372201EB 507 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 521: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 514 VAM1200GVJU 3D073270D...