REMEHA Gas 120 ACE - 115, User Manual

Page: 37 / 96

Tab.15
Values at full load for G30/G31 (butane/propane) O
2
%
(1)
CO
2
%
(1)(2)
Gas 120 ACE - 65 4.9 - 5.4
(1)
10.2
(1)
- 10.5
Gas 120 ACE - 90 4.9 - 5.4
(1)
10.2
(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
4. If the measured value differs from that given in the table, correct the
gas/air ratio.
5. Using the setting screw A, set the percentage of O
2
for the gas type
being used to the nominal value. This should always be within the
highest and lowest setting limits.
Allow the pressure to stabilise for approximately 60 seconds between
each setting modification.
Important
The boilers are supplied with a variety of gas valve units.
Compare the gas valve unit in the boiler with those in the drawings
and see the drawing for the position of adjusting screw A for full
load.
Performing the part 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 MinimumPower
3. Select the MinimumPower test in the menu Change load test mode.
The part 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 part load test by pressing the button.
The message Running load test(s) stopped! is displayed.
Control and setting values for O
2
at part load
1. Set the boiler to part 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.16
Values at part load for G20 (H gas) O
2
%
(1)
CO
2
%
(1)(2)
Gas 120 ACE - 65 4.8
(1)
- 5.3 8.7 - 9.0
(1)
Gas 120 ACE - 90 4.8
(1)
- 5.2 8.8 - 9.0
(1)
Gas 120 ACE - 115
5.6
(1)
- 6.1 8.3 - 8.6
(1)
(1) nominal value
(2) Values given as a guide
Fig.49
MW-2000724-1
A A
Fig.50 Part load test
AD-3000941-03
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....... ...........
......
.....
...
.....
..... ... ....... .... .. ..... ....... .... ..... .......
i
.....
....... .... ....... .... .......
.... ...... .... ... ...... 11:20
A
B
7 Commissioning
7717201 - v03 - 25062019 MID _HMI T-control - Gas 120 ACE 37