Hitachi RAC-07CHV1, Service Manual

Page: 41 / 68

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There is a difference
between the room
temperature setting and
actual room temperature.
Q15
There may be a difference
between the room
temperature setting and
actual room temperature on
account of the room
structure, air flow, etc.
If there is a difference from
the room temperature, adjust
the set temperature to keep
living space at a comfortable
temperature.
A15
Common, etc.
What will happen if the time
setting is changed while in a
timer operation?
Q16
A timer operation is
performed until the time after
changing the time setting.
A16
1) When the “Automatic”
operation mode is
selected, “Automatic”
does not change by
pressing the fan speed
select button.
2) The room temperature
setting is not displayed.
3) Pressing the room
temperature control button
develops transmit mark
“ ” and sounds a
receive sound but does
not display the room
temperature setting.
Q17
1) When the operation mode
is “Automatic”, the fan
speed is automatically
fixed to “Automatic”.
2) At an “Automatic”
operation, the room
temperature setting is not
displayed.
The room temperature is
automatically set as
follows.
At cooling
Set at 27
°
C.
At dehumidifying
Set to a temperature
slightly lower than the
room temperature.
At heating
Set at 23
°
C.
3) At an “Automatic”
operation, the room
temperature setting is not
displayed.
However, every pressing
“ ” or “ V ” button
changes 1
°
C within the
range of:
27
±
3
°
C when cooling
23
±
3
°
C when heating
A17
Wireless remote controller
The room temperature
sensing thermistor in the
indoor unit detects the room
temperature and, according
to the particular temperature,
automatically performs
“Cooling” or “Dehumidifying”
operation.
The value indicated not at an
“Automatic” but manual
operation is not the actual
room temperature but the
room temperature setting.
V