Daikin VRV III REYQ8PY1B, Operation Manual

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English 5
23. Fan only/air conditioning selector switch
Set the switch to “ ” for fan only operation or to
“ ” for heating or cooling operation.
24. Cool/heat changeover switch
Set the switch to “ ” for cooling operation or to
“ ” for heating operation.
25. Thermistor
It sense the room temperature around the
remote controller.
26. These button are used when the ventilation unit
are installed (These are optional accessories)
Refer to the operation manual of the ventilation unit.
NOTE
• Do not place the controller exposed to direct sunlight.
The LCD display may get discolored, failing to dis-
play the data.
• Never pull or twist the electric wire of a remote
controller.
It may cause the unit to malfunction.
• Do not allow sharp or hard items to touch the but-
tons of the remote controller.
The remote controller may be damaged or break-
down may occur.
• In contradistinction to actual operating situations,
the display on figure 2 shows all possible indica-
tions.
• Figure 2 shows the remote controller which is
opened the cover.
• For FXS, FXM, FXL and FXN, the air flow direc-
tion ajust button (22) is not available and the dis-
play (4) shows “NOT AVAILABLE” when pressed.
5. OPERATION RANGE
Use the system in the following temperature and
humidity ranges for safe and effective operation.
NOTE
• Cooling operation:
If the air conditioner is operated continuously
while the indoor temperature is 21°C or below and
the humidity is 80% or over, the interiors of the
indoor units may cause icing and water leakage
may result.
• Heating operation:
The air conditioner may stop operating for the pro-
tection of the machine if the outdoor temperature
is 21°C or over.
6. 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.
6-1 COOLING, HEATING, AUTOMATIC AND
FAN ONLY 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 (REYQ only)
In this operation mode, cool/heat
changeover is automatically conducted.
• The operation mode cannot be changed with
the remote controller whose display shows
“
” (changeover under control).
Change the operation mode with the remote
controller whose display does not show
“
”.
• When the display “ ” (changeover
under control) flashes, refer to the chapter
“6-5 SETTING THE MASTER REMOTE
CONTROLLER”.
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.
COOLING HEATING
outdoor temperature –5°~43°CDB –20°~21°CDB
–20°~15.5°CWB
indoor temperature 21°~32°CDB 15°~27°CDB
14°~25°CWB
indoor humidity
≤
80% –
1
2
1
2
01_EN_3P201178-2B.fm Page 5 Wednesday, April 25, 2007 3:51 PM