26.These button are used when the ventilation
unit are installed (These are optional acces-
sories)
Refer to the operation manual of the ventilation
unit.
NOTE
• In contradistinction to actual operating situations,
the display on figure 2 shows all possible indica-
tions.
• Figure 1 shows the remote controller which is
opened the cover.
5. OPERATION PROCEDURE
• Operation procedure varies according to the com-
bination of outdoor unit and remote controller.
Read the chapter "What to do before operation".
• To protect the unit, turn on the main power switch
6 hours before operation.
• And do not turn off the power supply during the air
conditioning season because of smoothly start
up.
• If the main power supply is turned off during oper-
ation, operation will restart automatically after the
power turns back on again.
5-1 COOLING, HEATING , AUTOMATIC AND
FAN ONLY OPERATION
Press the operation mode selector button sev-
1
eral times and select the operation mode of
your choice;
• "
" Cooling operation
• "
" Heating operation
• "
" Fan only operation
Press the on/off button.
2
The operation lamp lights up and the system
starts operation.
• The operation mode cannot be changed with the
remote controller whose display shows
"
" (changeover under control).
Change the operation mode with the remote con-
troller whose display does not show "
• When the display "
control) flashes, refer to the chapter "Operation
procedure - Setting the master remote controller".
6
Fig.2
" (changeover under
• The fan may keep on running for about 1 minute
after the heating operation stops for removing the
heat in the indoor unit.
• The air flow rate may be adjusted automatically
depending on the room temperature or the fan
may stop immediately. This is not a malfunction.
• For machine protection the system may control
the air flow rate automatically.
• It may take sometime for finishing to change the
air flow rate.
This is normal operation.
ADJUSTMENT (Refer to Fig.2)
For adjustment the desired temperature, fan
speed and air flow direction (only for the
remote controller: FXC, FXF, FXH), follow the
procedure shown below.
Press the temperature setting button and set
3
the desired temperature.
Each time this button is pressed, the
temperature setting rises or lowers 1°C.
NOTE
• Set the temperature within the operation
range.
• The temperature setting is impossible for fan
only operation.
Press the fan speed control button and select
4
the fan speed of your preference.
Press air flow direction adjust button.
5
Refer to the chapter "Adjusting the air flow
direction" for details.
STOPPING THE SYSTEM (Refer to Fig.2)
Press the on/off button once again.
6
The operation lamp goes off and the system
stops operation.
NOTE
• Do not turn off the power immediately after
the unit stops.
• The system need at least 5 minutes for
residual operation of drain pump device.
Turning off the power immediately will cause
water leak or trouble.
EXPLANATION OF HEATING OPERATION
• For general heating operation, it may take longer
to reach the set temperature than in cooling oper-
ation.
We recommend starting the operation which was
used before using timer operation.
• The following operation is performed in order to
prevent the heating capacity from dropping or
cold air from blowing.
".
English