Technical data

DBW 2010 / 2012 / 2020 / 2022 / 300 / 350 9.The Repair
905
Application, DBW 2020 / 300 / 350
WARNING
There is no need for catch in the equipment set of DBW
2020 / 300 heating devices.
1. Open the burner head as indicated in 8.5.1.
2. Remove the ignition electrodes as indicated in
9.2.14.1.
3. Dismount the flame regulator from the discs as
indicated in 9.2.13.1.
4. Remove the segment and put the existing disc at a
separate place after taking it from the nozzle block.
5. Install the heating cartridge (3) in the nozzle block (8)
and fixate it with attachment wire (2).
6. Install the disc (4) on the nozzle block and secure it
with the segment.
7. Fixate the thermostat (7) with the knurled washer (5)
and nut (6) on the disc (4).
8. Install the flame regulator as indicated in 9.2.13.2.
9. Fixate the relay (11) with the steel screw (9) and
knurled washer (10) on the protection cover (12) of
the burner head.
WARNING
The polarity is not important in the work step mentioned
below.
10. Place the flat socket bushings in the proper fashion in
the socket bushing with 2 pins for the connection of
the heating cartridge.
WARNING
Pass the cable bunch (1) behind the magnetic valve and
pull it outside together with the socket bushing with 2 pins
using a rubber jacket
11. Establish the electrical connection between the cable
bunch (1), heating cartridge (3), thermostat (7) and
relay (11).
12. Install the ignition electrodes as indicated in 9.2.14.2.
13. Close the burner head as indicated in 8.5.1.
14. Establish the electrical connections as exhibited in
the figure (page 905).
Additional equipment for DBW 2020 / 300 / 350
01 Cable bunch
02 Attachment wire
03 Heating cartridge
04 Disc
05 Knurled washer
06 Nut
07 Thermostat
08 Nozzle block*
09 Steel screw*
10 Knurled washer*
11 Relay
12 Protection cover of the burner
head*
*It is not included in the spare part set
Socket
X1