Outline of Control (Indoor Unit)
SiUS342303E
123
Part 4 Functions and Control
Note(s)
1. If any error occurs, the relevant error code will be displayed according to the error code display
of the remote controller.
2. When the auxiliary electric heater turns ON, the fan will stop after it conducts residual operation.
3. When the drain pump kit turns ON, the drain pump kit will stop after it conducts residual
operation for a period of 5 min.
4. The control of auxiliary electric heater connected to FXTQ-TA models differ from this flowchart.
For details, refer to
Heater Control (FXTQ-TA Models)
on page 141.
5. If the evaporator inlet temperature is kept at not more than –5°C (23°F) for a period of
cumulative 10 min. or not more than –1°C (30.2°F) for a cumulative period of 40 min., freeze-up
Is
outlet air
temperature drop protection
in progress?
Restart
prevention operating
in progress?
(4 min.)
Is hot starting in
progress?
Is
defrost operation in
progress?
Heating Operation
A
B
Thermostat
status
No
No
15
16
(Option)
(Option)
(Option)
(Option)
: OFF
Humidifier : ON
: OFF
Humidifier : OFF
: ON
Humidifier : ON
: OFF
Humidifier : OFF
: OFF
MP
Yes
Yes
No
No
No
No
13
14
13
18
Yes
Yes
Yes
Yes
Swing flap?
Is
defrost
operation in
progress?
Yes
No
Yes
Swing flap
Set wind direction
Fan :
Operating with set airflow rate
Fan :
LL operation
Fan :
Operating in L mode
Fan :
Stop
(3)
(2)
(1)
Remote controller does
not display
STANDBY
Closed
Remote controller
displays
STANDBY
Drain
pump kit
MF
Fan
Depends on the intensity
of gas combustion.
Electronic expansion valve
Capacity control
Electronic
expansion valve
Open
Electronic
expansion valve
Aux.
electric heater
Aux.
electric heater
Aux.
electric heater
Aux.
electric heater
: OFF
EH
Humidifier : OFF
Opened
Hu
Aux.
electric heater
Electronic
expansion valve
Closed
Electronic
expansion valve
4
4
4
4
Is test run in
progress?
No
Are
conditions for gas
furnace operation
established?
B
:
:
YE
YE
EH
Hu
EH
Hu
EH
Hu
EH
Hu
MF
MF
MF
MF
YE :
YE :
YE :
(Option)
4
Summary of Contents for VRV EMERION RXYQ-AATJA
Page 1: ...Service Manual Heat Pump 60 Hz RXYQ AATJA 208 230 V RXYQ AAYDA 460 V SiUS342303E...
Page 410: ...Wiring Diagrams SiUS342303E 403 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 411: ...SiUS342303E Wiring Diagrams Part 7 Appendix 404 FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 416: ...Wiring Diagrams SiUS342303E 409 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 417: ...SiUS342303E Wiring Diagrams Part 7 Appendix 410 FXAQ07 09 12 18 24PVJU 3D075354F...
Page 424: ...Wiring Diagrams SiUS342303E 417 Part 7 Appendix VAM1200GVJU 3D073270D...
