5 | Operating Instructions
Fig. 33 FAN mode
HEAT mode
l In HEAT mode the air distributor shows the
vehicle will be heated.
l You can manually set the temperature and fan speed.
l The compressor switches off when the set temperature is
reached, it automatically switches on again when the room
temperature drops below the set point.
Fig. 34 HEAT mode
NOTE
When operating in heating mode in low ambient tem-
peratures the unit periodically defrosts the outside heat
exchanger. The air distributor displays "dF" during de-
frosting and returns to heating when the defrost is
completed.
AUTO mode
l In AUTO mode the unit automatically selects heating or
cooling mode depending on the difference between cur-
rent room temperature and set point temperature.
l You can manually select the set temperature and fan
speed.
l The air distributor shows the
the
icon in cooling mode as well as the set temperature.
Fig. 35 AUTO mode
ECONOMY mode
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icon and the
icon in heating mode and
l Press the "ECO" button 1 time to select the "ECO1" mode:
The Cool Top Trail 36V is now operating at 70% of its ca-
pacity.
l Press the "ECO" button 2 times to select the "ECO2" mode
The Cool Top Trail 36V is now operating at 40% of its ca-
pacity.
l Press the "ECO" button 3 times to exit the economy mode.
The ECONOMY mode is only available in operation mode COOL
or HEAT.
Fig. 36 Economy mode
5.11
Setting the system clock
1.
Press the SET TIME button. The hour digits are flashing
now.
2.
Press the
/
button to set the hour.
3.
Press the HOUR/MIN button. The minute digits are flashing
now.
4.
Press the
/
button to set the minutes.
5.
Press the SET TIME button 3 times to end the setting mode.
Alternatively, wait 10 seconds until the digits stop flashing.
Fig. 37 Setting the system clock
5.12
Setting the timer
The timer can be set to start and stop the unit at a pre-pro-
grammed time. In a first step these start and stop times must be
set.
1.
Press the SET TIME button twice until the upper right side
of the clock displays ON and the hour digits are flashing.
2.
Press the
/
button to set the hour when you
want the unit to switch on.
3.
Press the HOUR/MIN button, and then press the
button to set the minutes.
4.
Press the SET TIME button again until the lower right side
of the clock displays OFF and the hour digits are flashing.
9044618A_OI-II_Cool Top Trail 36V
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