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Installation and maintenance instructions ecoCRAFT 0020055744_08
3
Fig. 8.3 Pulling off the clip
• Pull off the clip (
3
, Fig. 8.3).
• Remove the siphon and clean it.
• Fit the siphon in reverse sequence.
• Unscrew the plug from the flue gas measurement
opening and fill the siphon with water through this
opening.
• Close the opening on the exhaust gas connection with
the plug.
8.8
Checking the flue gas pressure monitor
1
2
Fig. 8.4 Checking the flue gas pressure monitor
• Check the hose to the flue gas pressure monitor
(
2
, Fig. 8.4) for contamination and correct fit.
a
Caution!
The hose must be connected to the connection
marked "P1" on the exhaust gas pressure moni-
tor.
8.9
Checking the combustion air pressure
monitor
• Check the hoses to the combustion air pressure moni-
tor (
1
, Fig. 8.4) for contamination and correct fit.
a
Caution!
The connection marked "P1" on the combustion
air pressure monitor must be connected to the
Venturi.
The connection marked "P2" on the combus-
tion air pressure monitor must be connected
between the gas fitting and the Venturi.
P3
P1
P3
P2
P2
1
2
3
4
P1
Fig. 8.5 Connecting the combustion air pressure monitor
Key
1 Combustion air pressure monitor
2 Venturi
3 Gas
valve
4 Supply air box
Inspection and maintenance 8