Operating instructions

Fig. 405: Permissible Heater Installation (Compact and Basic Kits)
4.4 Muffler and Exhaust Pipe Connection
A. Enclosure and Compact Heater Kits.
1. Insert 2" (51mm) long coupler to heater exhaust port (no clamps required).
2. Insert end of muffler into coupler and fasten to bottom of enclosure box with supplied bracket
and bolts.
3. The discharge opening of the exhaust system must not point in the direction of travel, and so
located that any possible clogging caused by snow, mud or foreign materials are avoided.
404
4 Installation Thermo 90 S
WARNING
Exhaust pipes must be so routed that the possibility of exhaust fumes entering the vehicle is
unlikely.
CAUTION
Route the exhaust pipe in such a way as to prevent touching or being directed toward any part of
the vehicle that may be damaged by heat (i.e., brake lines, electrical wiring, hoses).