Buderus 800-24 Installation And Servicing Instructions page 48

5 Servicing
5.3.6 Replacing the fan unit
NOTE
Please refer to fitting instructions for 230 V fan
unit.
Loosen the screw couplings of the gas injector (fig. 58,
item 1) and safety valve (fig. 58, item 2).
Pull off the hoses leading to the fan (fig. 58, item 3).
Pull off the hoses at the differential pressure measuring
point (fig. 58, item 4).
Pull out the plug of the burner thermostat (fig. 58, item 5).
Pull out the plug of the fan (fig. 59, item 1).
Turn and pull out the safety retainer of the fan
(fig. 59, item 2).
Push up the fan (fig. 60, item 1).
Pivot the lower end of the fan forward (fig. 60, item 2) and
take it out downwards and forwards (fig. 60, item 3).
Replace the fan
Reassemble in reverse order.
Subject to modifications resulting from technical improvements !
48 Installation and servicing instructions condensing gas boiler 800 - 24/29/43/60 and 800 - 24T25/29T25 H/V • edition 02/2006
4
fig. 58 Disconnecting
fig. 59 Removing safety retainers
fig. 60 Removing the fan
3
1
2
2
11
KW
0 1
1 2
10 10
1
1
10
1
1
1
3
2
Buderus • http://buderus-domestic.co.uk