Fig. 901 Thermo Pro 90 Hdd Heater Components; Coolant Temperature Sensor; Overheating Protection; Heat Exchanger - Webasto Thermo Pro 90 Series Service Installations

Thermo Pro 90
9 Thermo Pro 90 HDD
9.1

General information

This section describes the differences between the Thermo Pro 90 HDD and the Thermo Pro 90. Refer to the Thermo Pro 90
specifications in this document for specifications that are not referred to in this section.
2
1
13
12
3 4
10
11

Fig. 901 Thermo Pro 90 HDD heater components

5
1

combustion air fan

7
2 fuel connection
3 coolant outlet
4

coolant temperature sensor

8
5 EMC interference suppression
module
6

exhaust gas temperature sensor

7

overheating protection

8

heat exchanger

9
9 coolant inlet

10 U4840 coolant pump

11 outlet, exhaust gas
12 combustion air inlet

13 control unit

9 Thermo Pro 90 HDD
6
901