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20039847GB
Drawings Nos. A-382 A and A-422 K
Oil pump BFP 21 L3
Oil pump AS 47 C
1
Oil filter
2
Oil, return
3
Oil, suction
4
Oil pump
5
Pressure pipe
6
Burner fan
7
Burner motor
8
Ignition transformer
9
Ignition electrodes
10
Solenoid valve
- normally closed, NC
(oil pump BFP 21)
- normally open, NO
(oil pump AS)
11
Nozzle
12
Control unit
13
Control device
(thermostat/pressurestat)
14
Preheater, ”LH” burners
only