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DIAGRAM OF THE D3WZ HEATER
1
Air blower turbine
2
Electric motor
3
Heat exchanger
4
Combustion chamber
5
Spark plug
6
Flame detector
7
Temperature sensor
8
Overheating switch
9
Control unit
10 Combustion air intake tube
11 Burnt gas exhaust pipe
12 Dosing pump
HEATING
Additional heating
13 Fuel filter
14 Main fuse
15 Interface
A
B
C
D
E
61-2
Combustion air inlet
Exhaust gas outlet
Vehicle fuel circuit
Coolant inlet (thermoplunger outlet)
Coolant outlet (towards the heater matrix)
61
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