Equipment Operation; Command Description - Normal Operation; Display; Set-Point - Spheros CC 145 Betriebsanleitung

3

Equipment Operation

3.1 Command Description - Normal Operation

3.1.1 Display

The two digit numeric display is used for informing the operator about the
selected set temperature.

3.1.2 Set-point

The set-point is the desired temperature inside the vehicle. To change the
set-point temperature one of the keys
The actual selected set point temperature blinks and may be adjusted by
pressing the or

3.1.3 Ventilation mode

The ventilation function is activated by the
There are two operation speeds. Press the key
ventilation speed, press the
speed.
A third time pressing switches off the ventilation mode.
The selected ventilation speed is indicated by LED (5) for LO ventilation
speed and LED (6) for HI ventilation speed.

3.1.4 Cooling mode

The set temperature is the desired room temperature within the vehicle.
With the vehicle ignition ON, the display will show
A/C operation, which can then be activated by pressing the
selecting the desired set temperature. When AUTO mode is off, it is possible
to have just ventilation by pressing the
The cooling mode can be selected by pressing the
system in AUTO mode. The system selects the required evaporator blower
speed automatically.
By pressing the key
Downloaded from www.Manualslib.com
or have to be pressed.
keys.
key.
once to select the LO
key a second time to select the HI ventilation
to indicate standby for
key.
key and starts the
the evaporator blower speed can be manually set to
manuals search engine
LO (1 time), HI (2 times) and back to AUTO mode (3 times).
The LED (3) illuminates, if the compressor clutch is closed.
If the compressor clutch is open, the LED (3) blinks.
To prevent short operation cycles of the compressor clutch, an interval of 30
seconds between ON and OFF is programmed.

3.2 Command Description - Failure Operation

3.2.1 Failure Operation - Control Panel Functions available

The system indicates failure codes on the display.
The following figure lists all possible failure codes and their meaning.
Failure Description
Pressure switch fail-
ure/
anti-icing thermostat
failure
Temperature sensor
connection
interrupted
Temperature sensor
short circiut
Electrical power
failure
key and
Operational bahavior in fail condition
Check pressure switch,
check anti-icing thermostat,
check evaporator,
check refrigerant pressure,
check evaporator blower
Check temperature sensor / wiring
Check temperature sensor / wiring
Check battery voltage,
check wiring,
check alternator
Fig. 4 Failure Code Indications
CC 145
16