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Outline of Control (Indoor Unit)
SiUS331708EA
73
Functions and Control
6.8
Drain Pump Control
6.8.1 Normal Operation
•
The float switch is ON in normal operation.
•
When cooling operation starts (thermostat ON), the drain pump turns ON simultaneously.
•
After the thermostat turns OFF, the drain pump continues to operate for another 5 minutes.
•
The aim of residual operation after thermostat OFF is to eliminate the dew that condenses on the indoor heat
exchanger during cooling operation.
6.8.2 If the Float Switch is OFF with the Thermostat ON in Cooling Operation
•
When the float switch turns OFF, the thermostat turns OFF simultaneously.
•
After the thermostat turns OFF, the drain pump continues to operate for another 5 minutes.
∗
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 displayed on the remote controller.
∗
3. The drain pump turns OFF once residual operation has ended, then turns ON again after 5 seconds.
∗
4. After
A3
is displayed and the unit comes to an abnormal stop, the thermostat will remain OFF even if the float
switch turns ON again.
Float switch
Error display
Thermostat
(running)
OFF
OFF
ON
ON
ON
OFF
Drain pump
ON
OFF
5 min.
OFF
OFF
ON
ON
ON
OFF
ON
OFF
5 min.
5 min. 5 sec.
5 sec.
Float switch
Error display
Thermostat
(running)
Drain pump
A3
}
∗
1
∗
2
∗
4
∗
3
Содержание RXSQ24TAVJU
Страница 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Страница 289: ...SiUS331708EA Wiring Diagrams Appendix 276 1 Wiring Diagrams 1 1 Outdoor Unit RXSQ24 36TAVJU 3D109545A...
Страница 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
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