Buderus 500-24C Installation And Maintenance Instructions Manual page 36

2
Commissioning
To drain the boiler take the following steps:
V Close the MCW inlet and the CH return valve.
V Connect drainage hose (
V Close the CH return and CH flow valves.
V Connect draining hose to draining point on the mani-
fold ( fig. 46, item 1).
V Open draining point to drain the boiler (
item 1).
Fill the condensate trap
V Remove the condensate trap and fill with water
( fig. 47 and fig. 48).
36
fig. 46).
fig. 46,
Buderus 500-24C/28C - Subject to modifications resulting from technical improvements
1
2
Draining the boiler
Fig. 46
1 stop valve
2 CH flow
3 MCW inlet
4 CH return
5 drain
6 drainage hose
Disconnect hose from condensate trap
Fig. 47
Fig. 48 Remove the condensate trap and fill with water
6
1
3
5
Drain
4
7215 3100-46.1TD
7215 3100-47.1TD
7215 3100-48.1TD