Operation Manual
SiEN34-705
314
Operation Manual
1-6 Operation Procedure
• Operation procedure varies according to the combination of out-
door unit and remote control. 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 operation, operation
will restart automatically after the power turns back on again.
1-6-1 Cooling, Heating and Fan only Operation
• The operation mode cannot be changed with the remote control
whose display shows “
” (changeover under con-
trol).
Change the operation mode with the remote control whose dis-
play does not show “
”.
• When the display “
” (changeover under control)
flashes, refer to the chapter “Operation procedure - Setting the
master remote control”.
• In case of RXQ series, the displays shows “
”. How-
ever, the operation mode can be changed between cooling oper-
ation and fan only operation.
• 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.
FOR SYSTEMS WITHOUT COOL/HEAT SELECTOR (Refer to
figure 4)
Press the operation mode selector button several times and
select the operation mode of your choice;
“
” Cooling operation
“
” Heating operation (except RXQ series)
“
” Fan only operation
Press the on/off button.
The operation lamp lights up and the system starts operation.
FOR SYSTEMS WITH COOL/HEAT SELECTOR (except RXQ
series) (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 the remote control BRC1A51: FXC,
FXF, FXH, FXK, FXA), follow the procedure shown below.
Press the temperature setting button and set the desired tem-
perature.
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 opera-
tion.
Press the fan speed control button and select the fan speed of
your preference.
figure 4
1
2
figure 7.1
figure 7.2
figure 7.3
1
2
3
4
