Outline Of Control (Indoor Unit); Drain Pump Control - Daikin VRV II RXYQ5MY1B Service Manual

SiE39-404

6. Outline of Control (Indoor Unit)

6.1

Drain Pump Control

1. The drain pump is controlled by the ON/OFF buttons (4 button (1) - (4) given in the figure
6.1.1 When the Float Switch is Tripped While the Cooling Thermostat is
ON:
Thermostat
Float switch
Drain pump
∗ 1. The objective of residual operation is to completely drain any moisture adhering to the fin of
the indoor unit heat exchanger when the thermostat goes off during cooling operation.
6.1.2 When the Float Switch is Tripped During Cooling OFF by
Thermostat:
Thermostat
Float switch
Drain pump
Function
below).
ON
(running)
OFF
ON
OFF
ON
OFF
* 1) Residual operation
ON
(running)
OFF
ON
OFF
ON
OFF
Remote control "A3" flashing malfunction stop
5 min.
Malfunction residual
Enters malfunction treatment if the float switch is not reset within 5 minutes.
Remote control "A3" flashing malfunction stop
5 min.
5 min. 5 sec.

Outline of Control (Indoor Unit)

5 min. 5 sec.
103