Daikin VRV S RXQ4/5ARV1 - Part 5 Field Settings and Test Operation

Outline of Control (Indoor Unit) SiAF332111E
84 Part 4 Functions and Control
3.7.2 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.
The drain pump turns OFF once residual operation has ended, then turns ON again after 5
seconds.
3: 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.
3.7.3 If the Float Switch is OFF with the Thermostat OFF in Cooling
Operation
 When the float switch turns OFF, the drain pump turns ON simultaneously.
 If the float switch remains OFF even after residual operation of the drain pump has ended,
the error code A3 is displayed on the remote controller.
 The drain pump turns OFF once residual operation has ended, then turns ON again after 5
seconds.
OFF
OFF
ON
ON
ON
OFF
ON
OFF
5 min.5 min. 5 sec.
Float switch
Error display
Thermostat
(running)
Drain pump
A3
∗1 ∗3∗2
5 sec.
O
N
OFF
ON
ON
OFF
ON
OFF
5 min. 5 sec.
Float switch
Error display
Thermostat
(running)
Drain pump
OFF
A3