Electrical system
31
11 Electrical Connections
Electrical components, such as relays, fuses, switches, etc., must be in-
stalled so that they are protected from the penetration of water (splash wa-
ter, high-pressure cleaners, etc.).
11.1. Connection of control unit / heater
The electrical connection of the heater is designed as shown in fig. 18.
11.2. Installation and connection of the timer
A clearly visible tell-tale in the operator’s field of view shall inform when the
combustion heater is switched on or off. (Requirement from ECE R122, Ap-
pendix 7, Point 7.1.).
The timer is connected as shown in the circuit diagram in fig.18.
11.3. Installation of other heater controls
The installation of other heater controls must be carried out in accordance
with the specific installation instructions.
The Telestart is installed in accordance with its installation instructions.
The Telestart transmitter is coded to the receiver as described in the Tele-
start operating instructions.
11.4. Vehicle fan (not with Thermo Top Z)
The vehicle fan is controlled by the fan relay, see the wiring diagram
in fig. 18.
The connection in the control unit (heater) is designed for a cur-
rent consumption of I
max
= 0.5 A.
11.5. Connection of summer/winter switch (option only with
Thermo Top E or C)
The summer/winter switch is connected as shown in fig. 17 and
the wiring diagram fig. 18.
The brown (br) and violet (vi) wires are fastened to the wiring
harness with the ends insulated.
Legend for fig. 17:
30) Summer/winter switch
br) Brown wire
vi) Violet wire
Do not press the display of the digital timer during installation.
This can result in damage to the LCD display.
1317098B_EA_TT_ZEC_DE_EN_ZH.book Page 31 Tuesday, July 3, 2012 1:08 PM
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