Webasto Heater
Webasto heaters have a heat mode and a vent
mode. The fan speed is adjustable in the vent mode.
The control also has a timer function, allowing a start
time and/or duration to be set.
To turn the heater on, push the ON/OFF button. See
Fig. 8.9. The LCD screen displays the mode, ambi-
ent temperature, set temperature, timer, and fan
speed. See Fig. 8.10.
Refer to the Webasto website,
techwebasto.com,
for additional information.
Setting the Temperature and Heater
Runtime
1.
Press the selection button.
2.
Using the rotary knob, select Options > Duration
> Timed > Adjust Runtime to xx Hours. Confirm
the adjustment by pressing the selection button.
3.
Using the rotary knob, adjust the control to the
desired temperature. Confirm the adjustment by
pressing the selection button.
NOTE: The temperature can be adjusted while
the heater is running.
Setting the Timer
1.
Press the selection button.
2.
Using the rotary knob, select Timer.
3.
Press the selection button. Select Edit from the
sub-menu.
4.
Using the rotary knob, select the day. To confirm,
press the selection button.
5.
Using the rotary knob, select the start time. To
confirm, press the selection button.
6.
Using the rotary knob, select the run time. To
confirm, press the selection button.
Dual HVAC System
The Dual HVAC system replaces the standard
sleeper HVAC when optioned. Vehicles with a Dual
HVAC system have a larger alternator, additional bat-
teries, and premium insulation. The Dual HVAC sys-
tem operates both when the engine is running and
when the engine is off.
The Dual HVAC system controls temperature differ-
ently than the standard sleeper HVAC system. The
standard sleeper HVAC (without Optimized Idle) at-
tempts to maintain vent discharge temperature at the
sleeper vents, much like the main HVAC in the dash.
The Dual HVAC system is a zone control system
which attempts to hold the bunk at a constant tem-
perature.
The Dual HVAC system has two evaporators for
cooling, one supported by the engine-driven A/C sys-
tem, and the other on a separate battery-powered
A/C loop with a back wall-mounted condenser. When
the engine is running, the Dual HVAC system uses
the traditional engine-supported systems for heating
f61146510/21/2016
1
2
3
3
4
1. Rotary Knob
2. ON/OFF Button
3. Indicator Light
4. Selection Button
Fig. 8.9, Webasto Temperature Control
f61146610/21/2016
ABC
1122 2443356 7
A. Standby Mode
B. Heat Mode
C. Vent Mode
1. Set Temperature
2. Ambient Temperature
3. Mode
4. Timed Duration
5. Heat ON Indicator
6. Fan Speed Indicator
7. Vent ON Indicator
Fig. 8.10, Webasto Temperature Control Display
Screens
Climate Controls
8.5
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