Hitachi RAC-8CH9 Service Manual page 54

Common, etc.
There is a difference
Q15
between the
temperature setting and
actual room temperature.
What will happen if the time
Q16
setting is changed while in a
timer operation?
In the "Automatic fan speed"
Q17
mode, the indoor
changes to MED and LO fan
speed.
Nice temperature reservation
In case of "ON" timer, the operation does not
Q18
start at a preprogrammed time but a little
earlier.
The time to start an operation is irregular
Q19
while preprogramming at the same time.
A15
room
A16
A17
fan
– 57 –
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.
A timer operation
performed until the time after
changing the time setting.
It is not a trouble. The cold
wind preventive function
operates.
The "Nice temperature reservation" functions.
A18
The operation starts earlier so the room
temperature will be as set at a programmed
time.
The operation starts at most 60 minutes before
a preprogrammed time.
The "Nice temperature reservation" operates.
A19
The starting time depends on the room load.
is
Set the temporary switch
normal.