Webasto Thermo 90 ST Workshop Manual

2 General description Thermo 90 S / Thermo 90 ST
202
Thermo 90 ST heater
2.1 Combustion air fan
The combustion air fan supplies the air required for the
combustion process from the combustion air inlet to the
burner insert.
Combustion air fan
2.2 Heat exchanger
In the heat exchanger, the heat generated by combustion
is transferred to the coolant circuit.
Heat exchanger
1
2
3
4
5
6
7
8
9
10
11
1 Combustion air fan
2 Fuel connection
3 Temperature sensor
4 Temperature limiter
5 Heat exchanger
6 Inlet, coolant
7 Circulating pump
8 Outlet, coolant
9 Outlet, exhaust gas
10 Inlet, combustion air
11 Control unit
Temperature limiter
Temperature sensor

Webasto Thermo 90 ST Specifications

General

Heating Capacity	9 kW
Weight	4.8 kg
Dimensions	254 x 100 x 177 mm
Fuel	Diesel
Nominal Voltage	12V or 24V
Heating Power	9 kW
Voltage	12V or 24V