SiUS091601EA
Functions for FDMQ Series
Part 4 Functions and Control
74
If Float Switch is OFF with Thermostat ON in Cooling Operation
When the float switch stays OFF for 5 sec., the thermostat turns OFF.
After the thermostat turns OFF, the drain pump continues to operate for another 5 minutes.
If Float Switch is OFF with Thermostat OFF in Cooling Operation
When the float switch stays OFF for 5 sec., the drain pump turns ON.
If the float switch remains OFF even after the residual operation of the drain pump has ended,
the error code
A3
is determined.
The drain pump turns OFF once residual operation has ended, then turns ON again after 5
seconds.
1. If the float switch turns ON again during the residual operation of the drain pump, cooling
operation also turns on again (thermostat ON).
2. If the float switch remains OFF even after the residual operation of the drain pump has
ended, the error code
A3
is determined.
3. The drain pump turns OFF once residual operation has ended, then turns ON again after
5 seconds.
4. After
A3
is determined and the unit comes to an abnormal stop, the thermostat will
remain OFF even if the float switch turns ON again.
OFF
OFF
ON
ON
ON
OFF
ON
OFF
5 min.
5 min. 5 sec.
5 sec. 5 min. 5 sec.
(R24610)
Float switch
Error display
Thermostat
(running)
Drain pump
A3
∗
1
∗
2
∗
4
∗
3
5 sec.
5 sec.
OFF
OFF
ON
ON
ON
OFF
ON
OFF
5 min. 5 sec.
5 sec.
5 min.
5 min.
5 sec.
Float switch
Error display
Thermostat
(running)
Drain pump
(R24611)
A3
Summary of Contents for FDMQ12RVJU
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications ...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter ...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U ...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368 ...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A ...