Operating instructions

1. Introduction
1.1 General Description
Fig. 101: Webasto Thermo Top C Coolant Heater
1. Control Unit. 6. Coolant Outlet Connection Pipe
2. Combustion Air Fan Assembly 7. Fuel Inlet Connection Pipe
3. Combustion Air Inlet Connection Pipe 8. Exhaust Outlet Pipe
4. Coolant Circulating Pump 9. Combustion Chamber
5. Coolant Inlet Connection Pipe 10. Heat Exchanger
The Webasto TTC is designed for Class 3-7 vehicles. This dynamic system allows you to
preheat engines on or offsite. The TTC offers high performance with low power and fuel
consumption. Approximately 2-hours of operation eliminates overnight idling for heating and the
need for expensive electrical plug-ins. The compact design allows the heater to be frame rail or
engine compartment mounted. The TTC is easy to install, maintain and operate. The universal
package fits most of today vehicles.
101
Thermo Top C (TTC) 1 Introduction