8.6.8 Electrical Connections
8.6.8.1 Connection Air Heater, Control Dial
Electrical connection is according to Circuit Diagram
Automatic Control (see Section 7).
For connection of the cable loom the cover (see 9.2.1.1)
of the air heater has to be removed for connecting the
cable loom plug(s) to the control unit. Avoid touching the
control unit strip conductors.
Prior to first operation of the air heater the cover must be
fitted to avoid the loss of heated air (air heater overheat-
ing).
The cable feedthrough may be from left or right.
8.6.8.2 Connection of Power Supply
Fig. 810 Weather Resistant Fuse Holder
8.6.8.3 Connection Control Dial
The cable loom is prefabricated to connect to the control
dial (rated value transmitter).
For plug disconnection pull on terminal plug only
(Fig. 812).
By pulling on the cable loom the terminal plug is
secured (self-locking).
Fig. 811 Control Dial
NOTE
The fiber optic lens must be in contact with the
rotary knob.
Fig. 812 Pulling the Plug
806
8 Servicing
Air Top 2000 S
Ideally from the vehicle’s central electrical system.
An additional blade terminal fuse holder is to be
fitted to protect the heater and harness (supplied
with the heater). The fuse holder should be
installed as close as is practical to the power
source e.g. in the vehicle battery enclosure.
The fuse holder is constructed of weather resistant
components.
AT 2000 S
F = 15A (12V)
F = 10A (24V)
Fiber optic lens
(operation indicator)
