Operating instructions

4.3 Mounting the Heater
Fig. 402: Permissible Heater Installation Positions
The heater should be mounted as low as possible in the vehicle to assure automatic purging of air
from circulating pump and coolant lines. The coolant pump is not self-priming.
Preferably, the heater should be mounted in the engine compartment.
1. Ensure adequate clearance for heater and components in existing enclosure or mounting area.
2. Carefully layout proposed heater mounting position and mark all holes for drilling keeping in
mind location for exhaust, coolant lines and wiring access. Once all requirements are met,
drill holes.
3. Mount heater and components according to your plan, fasteners for mounting heater are
provided.
402
4 Installation Thermo Top C (TTC)
WARNING!
Asphyxiation risk! DO NOT mount heater inside passenger, sleeper or storage areas.
CAUTION!
The openings of the water connecting pipes must never point in a downward direction in any
installation position. Damage to heater will result due to trapped air in heat exchanger.
CAUTION!
The heater must not be installed in the immediate vicinity of or above hot vehicle parts.
The heater must not be installed in the direct splash water area of the wheels.
NOTE:
Heavy Duty frame rail bracket is available. Order under part number 901088.