Outline of Control (Indoor Unit)
SiUS28-902_B
28
Function
6.1.3 When the Float Switch is Tripped during Heating Operation:
Note:
During heating operation, if the float switch is not reset even after the 5 minutes operation, 5
seconds stop, 5 minutes operation cycle ends, operation continues until the switch is reset.
6.1.4 When the Float Switch is Tripped and “
AF
” is Displayed on the
Remote Controller:
Note:
5. (Error residual):
If the float switch is tripped 5 times in succession, a drain error is determined to have
occurred. “AF” is then displayed as operation continues.
6. (Error residual):
The remote controller will display "A3" and the air conditioner will come to an abnormal stop
if the float switch is OFF for more than 5 minutes in the case of
5.
ON
ON
ON
ON
OFF
OFF
OFF
OFF
5 min.
5 min.
5 sec.
Reset
Thermostat
(running)
Humidifier
Float switch
Drain pump
Remote controller "
A3
" flashing error stop
Drain pump
Float switch
ON
ON
ON
OFF
OFF
OFF
∗
4: 5 min.
∗
4
∗
4
∗
4
∗
5
∗
6
5 sec.
∗
4
∗
4
∗
4
∗
4
1st time
2nd time
3rd time
4th time
5th time
"
AF
" display (running)
Enters error treatment if the
float switch is not reset within
5 minutes.
Remote controller "
A3
" flashing
error stop
Remote controller
display
