Troubleshooting
3
Subject to modifications resulting from technical improvements!
Buderus Ltd. • http://www.buderus-domestic.co.uk
58
Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
3.1.23 Changing the domestic hot water / mains water
supply
z
Shut the servicing cock.
z
Drain the 600 Series 11S / 19S / 24S / 24C as per the
"Installation and Servicing Instructions".
z
Disconnection plug-and-socket connection on cable to hot-
water/mains-water sensor.
z
Remove insulation mounting (fig. 71, item 1) and detach
insulation.
z
Pull out the sensor fuses (fig. 72).
z
Unscrew hot-water/mains-water sensor and replace with
new unit.
z
Refit insulation and corresponding mounting elements.
z
Plug cable connection in once more.
z
Open servicing cocks.
z
Fill the 600 Series 11S / 19S / 24S / 24C and purge the
system of air as indicated in the installation and servicing
instructions.
Fig. 71 Changing the domestic hot water / mains water
supply
1
Fig. 72 Changing the domestic hot water / mains water
supply
1
2