Technical data

Thermo 90 8 Servicing
803
NOTE
Manufacturer mounts control unit of
heaters Thermo 90 S to combustion
air fan.
With Check Valve and Thermostat
Without Check Valve
1 Heat Exchanger,
Vehicle Heating System
2 Blower Switch
Vehicle Heating System
3 Relay for Vehicle Blower
4Timer
5 Fuse Box in Vehicle
6 Check Valve with Drain Hole
7 T-Junction
8 Vehicle Engine
9 Heater Unit
10 Circulation Pump
11 Water Pump
12 Radiator
13 Regulating Valve
14 Control Unit
15 Exhaust Muffler
16 Dosing Pump
17 Combustion Air Intake Line
18 Thermostat
Cable Loom
Fuel Line
Exhaust Line
Coolant Circuit