Removing the burner and checking the burner gasket
(replace gasket every two years)
1.
Switch OFF the control unit ON/
OFF switch and the mains electrical
supply.
2.
Close the gas shut-off valve and
safeguard against reopening.
3.
Pull electrical cables from fan
motor
A
, differential pressure sen-
sor
B
, gas valve
C
, ionisation
electrode
D
, ignition electrodes
E
and earth
F
.
4.
Release gas connection pipe
G
fixing screws and fittings.
5.
Release six nuts
H
and remove
the burner.
!
Important information
Prevent damage to the wire
mesh.
Never rest the burner on the
gauze assembly.
6.
Check the burner gasket (see parts
list) for damage.
Generally, replace the burner gas-
ket
every two years
.
Further details regarding the individual steps
(cont.)
18
Initial start-up, inspection, maintenance
56
92
550
GB
Содержание VITODENS 300 WB3A
Страница 10: ...Opening the control unit housing 10 5862 570 GB...
Страница 14: ...Closing control unit housing and inserting user interface 14 5862 570 GB...
Страница 122: ...Temperature profile Factory set code F1 6 to F1 15 Control functions cont 106 Function description 5692 550 GB...
Страница 125: ...A1 Main PCB A2 Mains supply unit Connection and wiring diagrams external connections 109 Designs 5692 550 GB...
Страница 129: ...Parts lists cont 113 Parts lists 5692 550 GB...
Страница 130: ...Parts lists cont 114 Parts lists 5692 550 GB...
Страница 131: ...Parts lists cont 115 Parts lists 5692 550 GB...
Страница 132: ...Parts lists cont 116 Parts lists 5692 550 GB...
Страница 133: ...Parts lists cont 117 Parts lists 5692 550 GB...
Страница 145: ...129 5692 550 GB...
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