Circuit Diagrams - Webasto Thermo 90 S Installation Instructions Manual

Thermo 90 S / Thermo 90 ST
10

Circuit diagrams

10.1. Circuit diagram legend for the Thermo 90 S and Thermo 90 ST
1
Temperature coding (temperature at water outlet):
See table on page 50
2
Digital timer P2:
with positive at connection 10 = Continuous operation
Connection 10 open
3
Vehicle fuse
4
Vehicle blower switch
Cable cross-sections
< 7.5 m
2
0.75 mm
2
0.75 mm
2
1.0 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
with immediate heating
= Variable heating duration
can be programmed
(10 min to 120 min);
default setting 120 min
7.5 - 15 m
2
1.0 mm
2
1.0 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
6.0 mm
Cable colours
bl blue
br brown
ge yellow
gn green
gr grey
or orange
rt red
sw black
vi violet
ws white
Circuit diagrams
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