WEBASTO DBW SERIES HEATERS DESCRIPTION
General Description
1 Electronic control unit
2 Motor
3 Electronic ignition coil
4 Coupler
5 Combustion air fan
6 Fuel solenoid valve
7 Electrode holder
8 Coolant outlet
9 Coolant inlet
10 Ignition electrodes
11 Fuel nozzle
12 Overheat fuse (white wires)
13 Control thermostat
14 Temperature limiter
15 Heat exchangers
16 Combustion chamber
17 Combustion air swirler
18 Exhaust pipe
19 Flame detector
20 Fuel pump
21 Fuel supply/ return pipes
22 Combustion air adjusting shutter
23 Fuel pump drive gearing
24 Nozzle pre-heater
25 Preheat thermostat (blue & green wires)
26 Air bleed screw
Fig. 1: Major Components of the DBW 2010 Coolant Heater
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Coolant Heater DBW 2010
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