Hitachi RAC-08LH1, Service Manual, Page: 57 / 76

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H o w i s t h e a u t o m a t i c
operation mode determined?
Q12
According to the room
temperature, cooling or
dehumidifying operation is
automatically selected.
Cooling:
When room temperature
is approx. 27°C or higher
Dehumidifying:
When room temperature
is between approx. 23°C
and 27°C
Heating:
When room temperature
is approx. 23°C or lower
A12
Automatic operation
At an automatic operation,
changing the fan speed
change switch does not vary
the fan speed.
Q13
The fan speed is automati-
cally determined.
A13
The room temperature cannot
be controlled at an automatic
operation.
Q14
It is automatically set as
follows.
At cooling: Set at 27°C
At dehumidifying:
S e t
s l i g h t l y
lower than room
temperature
The room temperature setting
can be raised 3°C by “ ” or
lowered 3°C by “ V ”.
A14
When changing the room
temperature setting in an
automatic operation, the next
automatic operation mode
is determined by new room
temperature setting.
If, for example, the room
temperature setting is 2°C
lowered for example, the
operation mode is as follows.
Cooling : W h e n r o o m
temperature is
approx. 25°C or
higher
Dehumidifying :
W h e n
r o o m
temperature is
between approx.
21°C and 25°C
Heating :
W h e n
r o o m
temperature is
approx. 21°C or
lower
V