DeDietrich C 340 280, Installation And User Manual

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Performing the low load test
1. If the full load test is still running, press the button to change the
load test mode.
2. If the full load test was finished, select the tile [ ] to restart the
chimney sweep menu.
A Change load test mode
B Low power
3. Select the Low power test in the menu Change load test mode.
The low load test starts. The selected load test mode is shown in
the menu and the icon appears in the top right of the screen.
4. Check the load test settings and adjust if necessary.
Only the parameters shown in bold can be changed.
5. End the low load test by pressing the button.
The message Running load test(s) stopped! is displayed.
Checking/setting values for O
2
at low load
1. Set the boiler to low load.
2. Measure the percentage of O
2
in the flue gases.
3. Compare the measured value with the checking values in the table.
Tab.54 Checking/setting values for O
2
at low load for G20 (H gas)
Values at low load for G20 (H gas) O
2
(%)
(1)
C 340 280 4.8
(1)
– 5.4
C 340 350 4.8
(1)
– 5.4
C 340 430 4.8
(1)
– 5.4
C 340 500 4.8
(1)
– 5.4
C 340 570 4.8
(1)
– 5.4
C 340 650 4.8
(1)
– 5.4
C 640 560 4.8
(1)
– 5.4
C 640 700 4.8
(1)
– 5.4
C 640 860 4.8
(1)
– 5.4
C 640 1000 4.8
(1)
– 5.4
C 640 1140 4.8
(1)
– 5.4
C 640 1300 4.8
(1)
– 5.4
(1) Nominal value
Tab.55 Checking/setting values for O
2
at low load for G25 (L gas)
Values at low load for G25 (L gas) O
2
(%)
(1)
C 340 280 4.6
(1)
– 5.2
C 340 350 4.6
(1)
– 5.2
C 340 430 4.6
(1)
– 5.2
C 340 500 4.6
(1)
– 5.2
C 340 570 4.6
(1)
– 5.2
C 340 650 4.6
(1)
– 5.2
C 640 560 4.6
(1)
– 5.2
C 640 700 4.6
(1)
– 5.2
C 640 860 4.6
(1)
– 5.2
C 640 1000 4.6
(1)
– 5.2
C 640 1140 4.6
(1)
– 5.2
C 640 1300 4.6
(1)
– 5.2
(1) Nominal value
Fig.72 Low load test
AD-3000941-03
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A
B
7 Commissioning
7762666 - v.02 - 29092020 C 340 / C 640 63