Buderus 500 - 28/C Servicing Manual page 72

7 Actions
box 268
Fill the heating system, vent it of air, open the gas tap and
place the boiler into operation, see box 59 or 52 to 58.
box 269 Replace plate heat exchanger
Take the boiler out of operation, see box 43, 44 or 47.
Close the cold water tap.
Drain the heating system, see box 48 to 51.
Open hot water tap.
box 270
Remove condensate trap.
box 271
Remove syphon.
We reserve the right to make technical modifications
72 Servicing manual Gas condensing boiler Buderus 500-24/S, 500-24/C and 500-28/C • Issued 02/2006
box 272
Remove both screws from the plate heat exchanger.
box 273
Remove the plate heat exchanger.
Buderus Ltd. • http://www.buderus-domestic.co.uk