Hitachi RAD-18NH7A Mode D'emploi page 4

MULTI-AIR CONDITIONER
With this multi-air conditioner, several indoor units can be connected to one outdoor unit to be driven. You
can operate the required number of indoor units.
Combination of Operations:
When operation mode is selected:
G You cannot operate the indoor units in
the following combinations.
One unit
Heating Dehumidifying
Circulating (fan)
During automatic operation:
When heating operation is automatically selected for the first indoor unit, the next indoor unit will then
G
start to heat. Also, if cooling or dehumidifying is automatically selected for the first indoor unit, the next
indoor unit will also start to cool or dehumidify.
Adjusting the Number of Indoor
Units:
Decrease the number of
indoor units to be operated
especially when it is very
hot or cold or when you
want to reach the present
temperature quickly.
(EN1) RAD-18/25/35/50NH7A
Black
All manuals and user guides at all-guides.com
G
Other unit
Cooling
G
– 4 –
4
The indoor unit which is switched on first continues
to operate, but other indoor units which is switched
on later does not operate while the lamp lights.
To re-start an indoor unit which was operated later,
stop the indoor unit which was operated first or
later and reset the type of operation, then perform
operation again.
Stopped Indoor Units:
When an indoor unit is operated in the
cooling, heating or dehumidifying mode in
the room, the sound of refrigerant flow may
be heard from a stopped indoor unit or a
stopped indoor unit may become warm.
This is because the indoor unit returns
refrigerant to the outdoor unit to be ready
for operation.
5/7/08, 11:33