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SiUS071735EB
Main Functions
Functions and Control
28
1.7.4 If the Float Switch Turns OFF and ON Continuously, or the Float Switch
Turns OFF While
AF
Displayed
When the float switch stays OFF for 5 sec., the drain pump turns ON.
1: If the float switch continues to turn OFF and ON 5 times consecutively, it is judged as a drain
system error and the error code
AF
is determined.
2: The drain pump continues to turn ON/OFF in accordance with the float switch OFF/ON even
after
AF
is determined.
3: While the error code
AF
is active, if the float switch remains OFF even after the residual
operation of the drain pump has ended, the error code
A3
will be determined.
1.8 Hot Start Control (In Heating Operation Only)
Outline
At startup with thermostat ON or after the completion of defrosting in heating operation, the indoor
unit fan is controlled to prevent cold air from blasting out and ensure startup capacity.
Details
(R24370)
OFF
Float Switch
ON
ON
Thermostat
(running)
OFF
ON
A3
AF
Error Display
OFF
ON
Drain Pump
OFF
1st
5 sec.
5 sec.
5 sec.
5 sec.
4th
5th
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec.
5 min.
5 min.
5 sec. 5 sec.
5 min.
5 min.
∗
1
∗
2
∗
3
5 sec.
TH
3
: Temperature detected by the indoor heat exchanger thermistor (R3T)
Defrost ending or oil return ending
or Thermostat ON
The fan is not OFF before initiating the hot start: LL
The fan is OFF before initiating the hot start: OFF
Hot start control
Hot start in progress
Normal operation
H/M/L remote
controller setting
LL
OFF
Fa
n
Hot start ending conditions
·
Lapse of 3 minutes
·
TH
3
> 34°C (93.2°F)
OR
(R26251)
Summary of Contents for FDMQ09RVJU
Page 12: ...SiUS071735EB 1 List of Functions Part 1 List of Functions 1 Functions 2 ...
Page 14: ...SiUS071735EB 3 Specifications Part 2 Specifications 1 Specifications 4 ...
Page 125: ...SiUS071735EB Check Service Diagnosis 114 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 127: ...SiUS071735EB Check Service Diagnosis 116 15 18 24 class R20704 W V U DC_P1 DC_N1 ...