Actions
7
We reserve the right to make technical modifications
Buderus Ltd. • http://www.buderus-domestic.co.uk
38
Servicing manual Gas condensing boiler Buderus 500-24/S, 500-24/C and 500-28/C • Issued 02/2006
7
Actions
box 43
Shutting down
z
Turn the mains switch on the boiler to position “
0
” (OFF,
item 1).
box 44
z
Turn the mains switch to “OFF”.
box 45
= CH flow
2
= DHW outlet (combination boilers only)
3
= Gas connection
4
= MCW inlet (combination boilers only)
5
= CH return
z
Close the servicing valves (item 6), if fitted.
1
per
manent
live
OFF
6
6
5
4
3
2
1
box 46
z
Close the gas cock (item 1).
box 47
Removal of casing
z
Use a radiator key to turn the casing lock to “open”, then
remove casing.
box 48
Draining the system
z
Take the boiler out of operation, see box 43, 44, 45, 46
2
1
