Eberspächer HYDRONIC B 4 W SC Instruction Manual - page 28
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Electrical system
5
Parts list
1.1
Burner motor
1.2
Glow plug
1.5
Overheating sensor
1.12
Flame sensor
1.13
Temperature sensor
2.1
Control unit
2.2
Dosing pump
2.7
Main fuse 25 A
5.1
Battery
a)
Diagnosis
b)
+15
Option: a temperature switch and / or an
ON / OFF switch can be fitted in this line.
c)
Alternator (AC)
Connectors and bush housings are shown
from the cable inlet side.
Cable colours
rt
= red
bl = blue
ws = white
sw = black
gn = green
gr = grey
ge = yellow
vi = violet
br = brown
li
= purple
Circuit diagram
25 1988 00 96 01 C