HXHD125A7V1B
VRVIII system air conditioner
4PW62583-1 – 11.2010
Operation manual
4
6.
O
PERATION
PROCEDURE
■
Operation procedure varies according to the combination of
outdoor unit and remote controller. Read
"3. What to do before
operation" on page 3
.
■
To protect the unit, turn on the main power switch 6 hours before
operation.
■
If the main power supply is turned off during operation, operation
will restart automatically after the power turns back on again.
6.1.
Cooling, heating, fan only, and automatic
operation
■
Changeover cannot be made with a remote controller whose
display shows
(change-over under centralized control).
■
When the display
(change-over under centralized control)
flashes, refer to
"6.4. Setting the master remote controller" on
page 6
.
■
The fan may keep on running for about 1 minute after the
heating operation stops.
■
The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.
For systems without cool/heat changeover remote control
switch
1
Press the operation mode selector button several times and
select the operation mode of your choice.
Cooling operation
Heating operation
Automatic operation
Fan only operation
2
Press the on/off button.
The operation lamp lights up and the system starts operating.
For systems with cool/heat changeover remote control switch
Overview of the changeover remote control switch
1
FAN ONLY/AIR CONDITIONING
SELECTOR SWITCH
Set the switch to
for fan only
operation or to
for heating or
cooling operation.
2
COOL/HEAT CHANGEOVER SWITCH
Set the switch to
for cooling or to
for heating operation.
Operating the changeover remote control switch
1
Select operation mode with the cool/heat changeover remote
control switch as follows:
2
Press the on/off button.
The operation lamp lights up and the system starts operating.
Adjustment
For programming temperature, fan speed and air flow direction, refer
to the operation manual of the remote controller.
Stopping the system
3
Press the on/off button once again.
The operation lamp goes off and the system stops operating.
INFORMATION
In the automatic operation mode, cool/heat changeover is
automatically conducted.
1
2
Cooling operation
Heating operation
Fan only operation
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
1
2
2+3
1
1
2+3
1
1
2+3
1
