Buderus 500 - 24/S Installation And Maintenance Instructions Manual page 32

2 Commissioning
To drain the boiler take the following steps:
Close the CH return valve.
Connect drainage hose (fig. 42).
Close the CH return and CH flow valves.
Connect draining hose to draining point on the manifold
(fig. 42, item 1).
Open draining point to drain the boiler (fig. 42, item 1).
Fill the condensate trap
Remove the condensate trap and fill with water (see fig. 43
and fig. 44).
Buderus • http://www.buderus-domestic.co.uk
32
Stop
valve
CH Flow
fig. 42 Draining the boiler
fig. 43 Disconnect hose from condensate trap
fig. 44 Remove the condensate trap and fill with water
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
1
Drainage hose
Stop valve
Gas CH return
Drain
Drain