Check And Adjust Co2 Content - Potterton EC three 125 Installation, Operation And Maintenance Manual

Installation
5.11 Check and adjust CO2
content
Fig. 9: Gas valve
1 Compensation line
2 Adjustment screw for full load (Allen key 3 mm)
3 Measuring nozzle for inlet pressure
38
1
2
Set CO -content at max. output
2
1. EuroCondense three in the controller stop mode (refer to previous section) op-
erated at full load
2. Remove safety cap from the adjustment screw for full load (2)
3. Set CO content on the adjustment screw for full load (2) according to Technical
2
Data section with a 3 mm Allen key
- Clockwise: CO content is decreased
2
- Counter-clockwise: CO
4. Replace safety cap on the adjusting screw for full load (2)
Set CO -content at min. output
2
1. EuroCondense threein the controller stop mode (refer to previous section) op-
erated at low load
2. Remove safety cap from the adjustment screw for small load (5)
3. Set CO content on the adjustment screw for small load (5) according to Techni-
2
cal Data section with a Torx key TX 40
- Clockwise: CO -content is increased
2
- Counter-clockwise: CO
4. Replace safety cap on the adjusting screw for low load (5)
Note: After successful adjustment of the gas valve, the CO
controlled at maximum and minimum output and corrected if necessary
Condensing gas boiler Eurocondense three125-300 kW
5
4
3
4 Gas pressure monitor
5 Adjustment screw for low load (Torx TX 40)
content is increased
2
is reduced
2
content must again be
2
7308536-02 06.13