Outline Of Control (Indoor Unit); Drain Pump Control - Daikin VRV-WIII RWEYQ72PTJU Service Manual

Outline of Control (Indoor Unit)

9. Outline of Control (Indoor Unit)

9.1

Drain Pump Control

The drain pump is controlled by the ON/OFF buttons.
9.1.1 When the Float Switch is Tripped while the Cooling Thermostat is ON:
Thermostat
(running)
Float switch
Drain pump
1. (Normal operation):
Note:
2. (Error residual):
9.1.2 When the Float Switch is Tripped while the Cooling Thermostat is
OFF:
Thermostat
(running)
Float switch
Drain pump
1. (Error residual):
Note:
66
ON
OFF
OFF
ON
ON
OFF
5 min.
∗ 1) Normal operation
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.
The remote controller will display "
minutes if the float switch is turned OFF while the cooling thermo. is ON.
Enters error treatment if the float switch is not reset within
5 minutes.
ON
OFF
OFF
ON
ON
OFF
5 min. 5 sec.
The remote controller will display "
the float switch is turned OFF and not turned ON again within 5 minutes while the cooling
thermo. is OFF.
Remote controller "
abnormal stop
5 min. 5 sec.
∗ 2) Error residual
A3
" and the air conditioner will come to an abnormal stop in 5
Remote controller " " blinking abnormal stop
5 min. 5 sec.
∗ 1
A3
" and the air conditioner will come to an abnormal stop if
SiUS30-1301
" blinking
Function and Control