Buderus 800-24 Installation And Servicing Instructions page 35

Clean the burner with a soft brush and compressed air
(fig. 49).
NOTE!
The perforated plate (fig. 49, item 1) is only
provided on type 800 – 24 and 800 – 24T25
models.
Clean the heat exchanger with a rib comb and compressed
air.
DANGER!
The hot surface ignitor (fig. 50, item 1) is made
of fragile material.
Put all components back in place in reversed order.
Remove and clean the syphon (fig. 51).
Take care that the syphon cap is screwed on correctly.
Fill with water before putting the syphon back in place.
Put all components back in place in reversed order.
When plastic boiler connectors are used:
check the operation of the condensate water bypass
Inject water (e.g. using a spray bottle) into the left-hand flue
gas measuring point (fig. 51) and check that the
condensate water bypass is not obstructed.
Subject to modifications resulting from technical improvements !
Installation and servicing instructions condensing gas boiler 800 - 24/29/43/60 and 800 - 24T25/29T25 H/V • edition 02/2006
Maintenance
fig. 49 Cleaning the burner
1
fig. 50 Cleaning the heat exchanger
1 1
2
3 2
4
3
5
6
7 4
8
24 VAC 5
9
- max 6 VA
0
10
11 24 VAC
6
12
fig. 51 Checking the operation of the condensate water bypass
4
1
Buderus • http://buderus-domestic.co.uk
35