SiUS092230EA
Functions for FDMQ/FFQ Series
Part 4 Functions and Control
71
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.
If Float Switch Turns ON and OFF Continuously, or Float Switch Turns OFF While AF Displayed
When the float switch stays OFF for 5 sec., the drain pump turns ON.
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
(R24370)
OFF
Float Switch
ON
ON
Thermostat
(running)
OFF
ON
A3
AF
Error Display
OFF
ON
Drain Pump
OFF
1st
5 sec.
5 sec.
5 sec.
5 sec.
4th
5th
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec. 5 sec.
5 min.
5 min.
∗
1
∗
2
∗
3
5 sec.
1. If the float switch continues to turn OFF and ON 5 times consecutively, it is judged as a
drain system error and the error code
AF
is determined.
2. The drain pump continues to turn ON/OFF in accordance with the float switch ON/OFF
even after
AF
is determined.
3. While the error code
AF
is displayed, if the float switch remains OFF even after the
residual operation of the drain pump has ended, the error code
A3
will be determined.
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...