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Inspection and maintenance
35
Condens 7000 WP – 6721841195 (2022/01)
10.7 Cleaning the condensation catch pan
If the siphon is soiled, check and clean the condensation catch pan as
necessary.
Open the 2 quick-release fasteners.
Fig. 43 Open the snap fasteners of the condensation catch pan
Remove the condensation catch pan.
Fig. 44 Remove the condensation catch pan.
Clean the condensation catch pan.
Insert new gasket in the condensation catch pan.
Place the condensation catch pan under the heat exchanger.
Push the condensation catch pan so it rests seamlessly against
the exchanger.
Close the snap fasteners.
Reassemble all parts in reverse order.
Start up the boiler.
10.8 Resetting the Maintenance type
Resetting the set Maintenance type starts the new maintenance interval.
Open the menu Reset ( table 15, p. 31).
Reset the parameter Service display.
10.9 Measuring the gas pressure
Measure the gas working pressure ( § 8.5, p. 23).
Make a note of the value in the maintenance protocol ( § 10.17, p.
38).
10.10 Measuring of CO and CO2
Measure the CO content and the CO2 percentage ( § 8.6, p. 24).
Make a note of the values in the maintenance protocol ( § 10.17,
p. 38).
10.11 Measuring the gas/air ratio
Measure the gas/air ratio ( § 8.7, p. 24).
Make a note of the value in the maintenance protocol ( § 10.17, p.
38).
10.12 Measuring the ionisation current
Read off the ionisation current on the display ( § 8.8, p. 24).
Make a note of the value in the maintenance protocol ( § 10.17, p.
38).
-or-
If the value is less than 2 A: replace the ignition and flame sense
electrode ( § 10.16.2, p. 36).
10.13 Check the flue gas backflow preventer
If a positive pressure cascade system has been mounted on the
boiler, the backflow preventer must be checked.
Open the inspection aperture via the backflow preventer.
Check the backflow preventer for wear, damage or pollution and
replace if necessary.
Fill the backflow preventer with water if necessary.
Close the inspection aperture of the backflow preventer.
10.14 Check the (flue) gas tightness
Check the tightness of all gas-carrying components ( § 8.9, p.
25).
Visually inspect the supply air and flue gas routing and check for
tightness and correct installation/brackets.
Check whether the siphon is filled with water and fill if required ( §
10.6, p. 34).
10.15 Check for correct operation
Check the tightness of all couplings.
Check the operating pressure and top up if required.
In doing so, take the water quality into consideration (§ 5.3, p.
12).
Check the settings of the boiler (§ 9.4.2, p. 26).
Complete the inspection and maintenance protocol (§ 10.17, p.
38).
Close the front panel.
0010035238-001
2.2.2.
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0010035239-001
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