Operating instructions

Table of Contents
Page
Installation Instructions 1
Legal Provisions for Installation 1
Installation 2
Installation Example 3
Connection to the Vehicle’s Cool-
ing System 4
Fuel Supply 4
Fuel Lines 6
Metering Pump 6
Combustion Air Supply 7
Exhaust Pipe 7
Electrical Connections 8
Circuit Diagrams 10
Initial Operation 17
Malfunctions 18
Technical Data 20
Variants 21
Template for heater mounting
bracket 23
Webasto Service Phone Line 25
Thermo 90 / Thermo 90 S
I