Filling The Siphon During Installation; Draining The Installation; Flushing The Installation - DeDietrich 24 Installation And Service Manual

6.8

Filling the siphon during installation

Fig.123 Siphon filling method before fitting the tower
B
The flue gas exhaust fitting hole at the top of the boiler has a plastic disc that keeps the heat exchanger locked during transport.
Before removing this disc, fill the trap by pouring water into the hole (A) until it exits through the trap outlet (B) as shown in the
figure. When filling is complete, remove the plastic disc (D) using the four clips (C) and install the flue gas tower.
Fig.124 Siphon filling method with the tower
fitted
A
B
6.9

Draining the installation

Fig.125 Draining the installation
E
6.10

Flushing the installation

Installing the boiler in new installations:
7804841 - 02 - 20012022
C
Fill the siphon by pouring water into the hole (A) until water starts flowing
out of the siphon drain (B) as shown in the figure.
BO-0000115
The drain cock is inside the boiler (in the lower left-hand section). To
access the cock and drain it, proceed as follows:
1. Remove the front panel from the boiler and turn the control panel
downwards, as shown in the adjacent figure.
2. Slowly open the cock (E) anti-clockwise to drain the boiler and the
system. Do not use tools.
3. Close the cock by turning it clockwise, without using excessive force.
BO-7798902-4
D
BO-0000001
Caution
We recommend that you pay particular attention when filling the
trap as illustrated in figure (A). Any water in the air intake fitting
could damage the appliance.
Caution
This method for filling the siphon is to be used only when installing
the appliance. To fill the siphon during maintenance operations
see "Cleaning the siphon" in the "Maintenance" paragraph.
See also
Connecting the discharge pipe to the condensate collector box
siphon, page 169
en
6 Installation
INIDENS 181