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10 If the CO
percentage at maximum and minimum power is within the reach stated in the above tables,
2
the CO
setting of the boiler is correct. If NOT, adjust the CO
2
instruction in the following chapter.
11 Switch off the unit by pressing the
Make sure it is gas tight.
12 Return the front panel to its place.
CAUTION
Work on gas carrying parts may ONLY
be carried out by qualified, competent
individuals.
Adjusting the carbon dioxide setting
IMPORTANT
Only adjust the CO
setting when you have first checked it and you have made
2
sure the adjustment is necessary. No adjustments may be made to the gas
valve without prior permission from your
local Rotex distributor. In Belgium, the gas valve may NOT be adjusted and/or
the seal may NOT be removed or broken. Contact your distributor.
1 Remove the cap (A) which covers the adjuster screw.
2 Turn the screw (B) to the right to increase the CO
to decrease it. See the following table for the desired value.
Measured value at
Set values CO
maximum power
Natural gas 2H
(G20, 20 mbar)
10.8
10.6
10.4
10.2
10
9.8
9.6
9.4
9.2
9.0
8.8
8.6
3 After measuring the CO
percentage and adjusting the setting, replace the
2
cover cap and the cap of the sample point. Make sure they are gas tight.
4 Select the High setting by twice pressing the
simultaneously. A capital letter will appear on the service display.
5 Measure the CO
percentage. If the CO
2
in the table which indicates the CO
your local distributor.
6 Press + and - simultaneously to leave the test program.
7 Return the front panel to its place.
ROTEX Heating Systems GmbH
setting in accordance with the
2
button and return the sample point to its position.
percentage, and to the left
2
(%) at minimum power (front lid open)
2
Propane 3P
(G31,30/50/37 mbar)
-
10.5±0.1
10.3±0.1
10.1±0.1
9.9±0.1
9.8±0.1
9.6±0.1
9.0±0.1
-
8.9±0.1
8.8±0.1
8.7±0.1
8.6±0.1
8.5±0.1
and
buttons
percentage still deviates from the values
2
percentage at maximum power, contact
2
B
A
03010102
44
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