SiBE18-821_C Indoor Unit Control (SA Models)
Function 119
8. Indoor Unit Control (SA Models)
8.1 Drain Pump Control
8.1.1 When the Float Switch is Tripped While the Cooling Thermostat is
ON:
∗
1. (Normal operation):
The purpose of residual operation is to completely drain any moisture adhering to the fin of the
indoor heat exchanger when the thermostat goes off during cooling operation.
∗
2. (Malfunction residual):
The remote controller displays "A3
" and the air conditioner comes to an abnormal stop in 5
minutes if the float switch is turned OFF while the cooling thermostat is ON.
8.1.2 When the Float Switch is Tripped While the Cooling Thermostat is
OFF:
*3. (Malfunction residual):
The remote controller displays "
A3
" and the air conditioner comes to an abnormal stop if the float
switch is turned OFF and not turned ON again within 5 minutes while the cooling thermostat is
OFF.
The remote controller displays "A3"
and the indoor unit stops.
Thermostat
(running)
Float switch
Drain pump
*1) Normal operation *2) Malfunction residual
5 min. 5 sec.
(R12933)
5 min.
OFF
OFF
OFF
ON
ON
ON
The remote controller displays "
A3" and the indoor unit stops.
The indoor unit enters malfunction treatment if the float switch is not
reset within 5 minutes.
Thermostat
(running)
Float switch
Drain pump
5 min.
(R12934)
5 min.
OFF
OFF
OFF
ON
ON
ON
5 sec. 5 sec.
*3