– 43 –
Auto fresh defrosting
A11
“Auto fresh defrosting” operates. When
stopping the operation, whether the outdoor
unit is frosted or not is checked and, if in
the affirmative, deforsting is performed
before stopping the operation.
Heating has been turned off by the main
operation but the “Hot keep lamp” lights
and the outdoor unit operations.
Q11
When starting the operation,
the heat exchanger is cold
and, therefore, the fan is
stopped.
Wait 2–3 minutes.
A7
Defrosting is on. Wait for 5–
10 minutes unit the outdoor
unit is defrosted.
Air does not come out
sometimes while in a
heating operation.
Q7
A8
The heating operation starts
with a “LO” fan speed for 30
seconds. If the fan speed is
set to “HI”, the operation
starts with “LO” fan speed,
followed by “MED” fan
speed for 30 seconds and
then by “HI” fan speed.
The fan speed is set to “HI”
or “MED” but the heating
operation starts with a
“LO” fan speed.
Q8
A9
If a heating operation is per-
formed when the exterior
temperature is high, the op-
eration may stop to protect
the equipment.
The operation stops during
a heat operation while the
room temperature is set at
“30”.
Q9
A10
It is not a trouble.
When heating, the heating
fan is stopped to avoid
excessive pressure rise.
The outdoor fan does not
move at a heating opera-
tion by the service switch.
Q10
Heating operation
A6
It is not a trouble. The fan is
stopped to avoid cold wind.
Air does not come out
when starting a heating
operation.
Q6
To Next Page
Loading...
