Pre-selection timer
Heater operation
The water heater can be switched on using either a switch or digital timer.
Before you switch on the heater set the vehicle's heating system to “Warm”.
Operating and
service instructions
Thermo Plus
230/300/350
General
Operation
The preselection timer enables you to
preset the start of the heater operation up
to 7 days in advance. It is possible to
program 7 different starting times, only
one of which can be activated.
The activation of the preset time is only
possible for the same and the following
day. Activation for Sunday and Monday is
already on Friday, activation for Monday is
possible on Saturday.
With switched on ignition, the display
shows the current time and day of the
week.
To access a menu using the -- button,
the heating function must be disabled.
Any selection and setting of values is
made using the selection buttons - and
-- , and confirmed by the --- button.
1 Menu button
2 Selection button UP
3 Instant heating button
4 Confirmation button
5 Selection button DOWN
6 Preselection time
7 Active preselection time
8 Operation duration
9 Settings
10 Heater is on
11 Error message
12 Time
13 Weekday
If 10 seconds no action, the preselection
timer returns to the standard display.
If the buttons and are pressed
longer than 0.5 seconds, the fast scroll is
activated.
Switch the preselection timer on
- switch on ignition,
- if ignition is off - press button --- (instant
heating), or
- automatically if preselection time is
activated
Switch the preselection timer off
- switch off ignition (the preselection timer
goes into the sleep mode)
- the timer turns off after the expiry of
remaining time or the programmed
operation duration.
Menu selection
Get the menu bar (6 - 9) by pressing the ---
button. Use the buttons and to
select the menu / “Active preselection
time“ (7) / or and confirm by pres-
sing the button .
Note: Using the button --- allows to
return from all menus to the standard
display (unsaved settings will be lost).
Setting the remaining operation time
The remaining operating time refers to the
time the heater is still in operation after the
ignition is turned off. On the display
appears the preselected time, which can
changed using the buttons --- and .
Confirm changes with .
If within 10 seconds no confirmation of the
remaining operation time has been done,
the heater is switched off.
Activate preselection time
Select menu Active preselection time“ (7).
By using the buttons --- and choose
the memory place with the preselected
time - confirm with .
“
Instant heating
Press for continuous operation, with
activated ignition - flashes on the dis-
play and appears permanently after a
positive feedback of the heater.
If button --- is pressed with deactivated
ignition, the display shows the default
value of the programmed operation time.
By pressing the buttons --- and --- the
operation duration can be adjusted and
with confirmed. On the display
appears — and the heater is operated for
the time as programmed.
Remote control
Equivalent of the function instant heat.
6 7
8
9 10
13
12
11
5
4
3
2
1
Mo Tu We Th Fr Sa Su
AM PM
Setting time/day of the week
Select menu . Use the buttons and
-- to select the 12h or 24h mode - con-
firm by pressing -- . Use the buttons -
and to select the day of the week, the
hours and the minutes. Confirm each
respectively using .
Note: In the 12h mode, after setting of the
minutes, further choose AM or PM by the
selection buttons - confirm using .
Programming operation duration
Select menu --- - the operation duration
flashes. Using --- and --- adjust the ope-
ration duration - confirm with .
Programming heater starting time
Select the menu --- - the memory
location is flashing. Use the but-
tons and to select the memory
location - confirm using . By pressing
the buttons --- and --- select the day of
the week, the hours and the minutes.
Confirm each respectively using .
Note: In the 12h mode, after setting of the
minutes, further choose AM or PM by the
selection buttons - confirm using .
Read out heater errors
During heater malfunctions the symbol
--- flashes. Error code display by simul-
taneously pressing the buttons -- and --- .
Deactivate preselection time
Select menu “Active preselection time“ (7).
Press --- or --- repeatedly until symbol ---
appears - confirm using .
