REMEHA Gas 120 ACE - 115, User Manual

Page: 36 / 96

7.7.2 Checking/adjusting the combustion
1. Unscrew the cap from the flue gas measuring point.
2. Insert the probe for the flue gas analyser into the measurement
opening.
Important
During measurement, seal the opening around the sensor fully.
The flue gas analyser must have a minimum accuracy of
±0.25% O
2
/CO
2
.
3. Measure the percentage of O
2
/CO
2
in the flue gases. Take
measurements at full load and at part load.
Performing the full load test
1. Select the tile [ ].
The Change load test mode menu appears.
2. Select the test MaximumPowerCH.
A Change load test mode
B MaximumPowerCH
The full load test starts. The selected load test mode is shown in the
menu and the icon appears in the top right of the screen.
3. Check the load test settings and adjust if necessary.
Only the parameters shown in bold can be changed.
Control and setting values for O
2
at full load
1. Set the boiler to full load.
2. Measure the percentage of O
2
in the flue gases.
3. Compare the measured value with the set point values in the tables.
Tab.13
Values at full load for G20 (H gas) O
2
%
(1)
CO
2
%
(1)(2)
Gas 120 ACE - 65 4.3 - 4.8
(1)
9.0
(1)
- 9.3
Gas 120 ACE - 90
4.3 - 4.7
(1)
9.1
(1)
- 9.3
Gas 120 ACE - 115
4.2 - 4.7
(1)
9.1
(1)
- 9.4
(1) nominal value
(2) Values given as a guide
Tab.14
Values at full load for G31 (propane) O
2
%
(1)
CO
2
%
(1)(2)
Gas 120 ACE - 65 4.6 - 4.9
(1)
10.5
(1)
- 10.7
Gas 120 ACE - 90
4.9 - 5.2
(1)
10.3
(1)
- 10.5
Gas 120 ACE - 115 4.9 - 5.4
(1)
10.2
(1)
- 10.5
(1) nominal value
(2) Values given as a guide
Fig.47
MW-2000722-3
Fig.48 Full load test
AD-3000941-03
..... ... ....... .... .. ..... .... .........
..... ... ....... ....
..... ... ....... ....
....... .... .. ..... .... .......
....... ...........
......
.....
...
.....
..... ... ....... .... .. ..... ....... .... ..... .......
i
.....
....... .... ....... .... .......
.... ...... .... ... ...... 11:20
A
B
7 Commissioning
36 MID _HMI T-control - Gas 120 ACE 7717201 - v03 - 25062019