GB - 11
42 HWS
E N G L I S H
System configuration and operating test
System configuration
Once the electrical connections have been completed, enter
the system configuration.
Check the correct switch position (see "Electrical connection")
(models without electric heater). Incorrect positioning of the
switch causes major system operation problems.
For information on the remote controller refer to the operation
and maintenance manual.
To configure the system proceed as follows:
• Place batteries in the controller, observing the polarity direction
indicated.
• Energize the system by switching main switch in the ON position.
• Press the button for the selection of the operating mode
together with the button for the clock time adjustment for at least
two seconds (the latter is recessed and located next to the battery
compartment, use a pointed tool to activate).
• The controller readout will display the letters “ld:un”.
• If the controller readout will display the letters “CA:P” or “Ad:dr”,
press button
until the letters “ld:un” will be displayed.
• Now, by pressing buttons for the temperature adjustment
display one of the figures shown in the following table according
to the model size in use.
Model size
Figure to select
07 - 09 - 12
1
18 - 24
2
• To send the transmission of the message to the unit, press the
starting button
, and then the button for the selection of the
fan speed
for at least two seconds.
• The controller will automatically turn off and configuration is
completed.
Operating test
• Energize the system by putting the mains supply switch to the ON
position.
• Position the operating switch located in the electrical board inside
the unit on “Test”.
1) The air conditioner will operate in the cooling mode for a
maximum period of 30 minutes without thermostatic control of
the room temperature and without the time delay protection
against frequent compressor cycling.
2) The air distribution louver will operate in the “SWING” mode.
3) Red indicator on the unit will light up.
• During test operation, the installer must check that the 3
conditions above are fulfilled.
• Slide the switch under the unit panel from the “Test” to the
“Normal” position to exit test program.
• During the test program, any signal sent to the unit by the remote
controller will stop the test and put the air conditioner in the mode
shown on display.
