7.4.5
Adjusting CO
2
content
1
Compensation line
2
Adjustment screw for small load (Torx TX 40)
3
Adjustment screw for full load (Allen key 3 mm)
4
Gas pressure monitor
5
Measuring nozzle for inlet pressure
Setting CO
2
content at max. output
The CO
2
content at max. output is set at the gas valve as follows:
1. EC five In the control stop function (refer to the section
Control stop
function
) operated at maximum value
2. Remove safety cap from the adjustment screw for full load
3. Use a 3 mm Allen key to set CO2 content at the adjustment screw for
full load according to the
Technical data
Clockwise: CO
2
content is decreased
Counter-clockwise: CO
2
content is increased
4. Replace safety cap on the adjusting screw for full load
Setting CO
2
content at min. output
The CO
2
content at min. output is set at the gas valve as follows:
1. EC five In the control stop function (refer to the section
Control stop
function
) operated at minimum value
2. Remove safety cap from the adjustment screw for small load
3. Use a TX 40 Torx key to set CO
2
content at the adjustment screw for
full load according to the
Technical data
Clockwise: CO
2
content is increased
Counter-clockwise: CO
2
content is decreased
4. Replace safety cap on the adjusting screw for small load
Important
After successful adjustment of the gas valve, the CO
2
content
must be controlled again at maximum and minimum output and
corrected if necessary
For more information, see
7.5
Final instructions
7.5.1
Instruction of the customer
The customer must be given full explanation of the heating system and
how the protective installations work. He must be especially instructed
about the following:
Fig.22
Overview of gas valve
1
2
3
4
5
RA-0000225
7 Commissioning
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