Daikin VRV-WIII RWEYQ8PY1, Operation Manual

Page: 10 / 20

6 English
6. OPERATION PROCEDURE
• Operation procedure varies according to the com-
bination of BS 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.
6-1 COOLING, HEATING, AUTOMATIC
AND FAN ONLY OPERATION
• Automatic operation can be selected only on the
heat recovery system.
• 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 “ ” (changeover under
control) flashes, refer to the chapter “Operation
procedure - Setting the master remote controller”.
• 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 ajusted 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.
FOR SYSTEMS WITHOUT COOL/HEAT SELEC-
TOR (Refer to figure 4)
Press the operation mode selector button sev-
eral times and select the operation mode of
your choice;
“ ” Cooling operation
“ ” Heating operation
“ ” Automatic operation
“ ” Fan only operation
NOTE
• Automatic operation (Heat recovery system only)
In this operation mode, cool/heat changeover is
automatically performed.
Press the on/off button.
The operation lamp lights up and the system
starts operation.
FOR SYSTEMS WITH COOL/HEAT SELECTOR
(Refer to figure 4 and 7)
Select operation mode with the Cool/Heat
selector as follows:
“ ” “ ” Cooling operation (Refer to figure 7.1)
“ ” “ ” Heating operation (Refer to figure 7.2)
“ ” “ ” Fan only operation (Refer to figure 7.3)
Press the on/off button. (Refer to figure 4)
The operation lamp lights up and the system
starts operation.
ADJUSTMENT (Refer to figure 4)
For adjustment the desired temperature, fan
speed and air flow direction (only for FXC, FXF,
FXH, FXK, FXA), follow the procedure shown
below.
Press the temperature setting button and set
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
the fan speed of your preference.
Press air flow direction adjust button.
Refer to the chapter “Adjusting the air flow
direction” for details.
STOPPING THE SYSTEM (Refer to figure 4)
Press the on/off button once again.
The operation lamp goes off and the system
stops operation.
NOTE
• Do not turn off the power immediately after
the unit stops.
• The system needs 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
• In heating operation, it may generally take longer
to reach the set temperature than in cooling oper-
ation.
We recommend starting the operation with timer.
• Hot start operation
In order to prevent cold air from blowing out of an
indoor unit at the start of heating operation, the
indoor fan is automatically stopped. The display of
the remote controller shows “
”.
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01_EN_3P153897-7L.fm Page 6 Friday, July 11, 2008 1:58 PM