Checking The Ionisation Current; Checking The Flue Gas Outlet/Air Supply Connections; Checking The Combustion - DeDietrich EVODENS PRO Amc 45 Service Manual

Fig.128 Checking flue gas outlet/air supply
connections
Fig.129 Flue gas measuring point
Fig.130 Step 1
Fig.131 Step 2
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8.3.2

Checking the ionisation current

1. Check the ionisation current at full load and at low load.
The value is stable after 1 minute.
2. Clean or replace the ionisation/ignition electrode if the value is lower
than 4 µA.
8.3.3

Checking the flue gas outlet/air supply connections

1. Check the flue gas outlet and air supply connections for condition and
tightness.
AD-0000084-01
8.3.4

Checking the combustion

Combustion is checked by measuring the O
outlet duct.
1. Unscrew the cap from the flue gas measuring point.
2. Insert the probe for the flue gas analyser into the measurement
opening.
Warning
During measurement, seal the opening around the sensor fully.
Caution
The flue gas analyser must have a minimum accuracy of ±0.25%
O .
2
3. Measure the percentage of O
at full load and at part load.
AD-0000069-01
Important
Measurements must be taken with the front casing off.
Enable full load
1. Press the two keys on the left simultaneously to select chimney sweep
mode.
The device is now running at part load. Wait until L:XX° appears on
the display.
MW-3000325-01
2. Press the
The device is now running at full load. Wait until H:XX° appears on
the display.
MW-3000326-01
in the flue gases. Take measurements
2
key twice.
8 Maintenance
percentage in the flue gas
2
AMC Pro 35