Wolf COB Installation Instructions And Technical Manual page 43

value in the
Adjust the CO
2
lower load (stage 1)
Pump Danfoss
Pump Suntec
Checking the CO adjustment
2
Completing the adjustments
3062547_201507
28. CO
pressure
- Check whether the pump pressure is still within the tolerance range.
If not, then check the nozzle and mixer head.
- Terminate the emissions test mode by turning the DHW temperature selector back
to its original position.
- Press the reset button.
- Set the heating water temperature selector to 8.
- Approx. 60 seconds after the burner start, check the CO
measuring instrument.
- If required, alter the CO
4 mm Allen key.
Testing must be carried out within 240 seconds of the burner start. If necessary, repeat
the start phase for setting procedures by turning back the heating water temperature
Pressure
selector and pressing the reset button.
regulating
screw, stage 1
Turn clockwise - higher CO
Turn anti-clockwise - lower CO
Appliance open
Stage 2 CO
Pressure
Stage 1 CO
regulating
screw, stage 1
Appliance open
Stage 2 Pump pressure 12.0 ± 2.5 bar 16.8 ± 2.5 bar 16.8 ± 2.5 bar 23.5 ± 2.5 bar
Stage 1 Pump pressure 5.0 ± 1.0 bar 8.5 ± 1.0 bar 8.5 ± 1.0 bar 11.0 ± 1.0 bar
The pump pressure in stage 2 must always be greater than that in stage 1
- Check whether the pump pressure is still within the tolerance range. If not, then check
the nozzle and mixer head.
- Terminate boiler operation by turning the heating water temperature selector back
to its original position.
- Remove the oil pressure gauge and close the aperture again.
- After completing the work, refit the casing lid and check the CO
boiler closed.
Observe the CO emissions whilst making CO
value should be < 50 ppm if the CO
- The condensing boiler is correctly adjusted when the CO
those in the adjacent table.
- If the CO
2
- Enter the flue gas values of CO
commissioning report in chapter 29.
Appliance closed
Stage 2 CO
Stage 1 CO
- Shut down the boiler and close the test ports again.
- Check the control parameters and match them to the system if necessary.
- Check the condensate drain.
- Instruct the customer in the operation of the boiler, with the aid of the operating
instructions.
- Complete the commissioning report (chapter 29) and hand over the instructions to
the customer.
- Instruct the customer about the need for annual servicing.
- Instruct the customer about energy saving options.
- Refer your customer to section "Information regarding energy efficient operation" in
the operating instructions.
check/adjustment via pump
2
content with the stage 1 pressure regulating screw using a
2
value
2
value
2
COB-15
set value 13.2 ± 0.3%
2
set value 13.2 ± 0.3%
2
COB-15
value increases too greatly, the balanced flue must be checked.
, flue gas temperature and soot value in the
2
COB-15
set value
2
set value
2
content with the CO
2
COB-20 COB-29
13.2 ± 0.3% 12.7 ± 0.3%
13.2 ± 0.3% 12.7 ± 0.3%
COB-20 COB-29
value with the
2
adjustments. The CO
2
value is correct.
2
values correspond to
2
COB-20 COB-29
13.5 ± 0.3%
13.5 ± 0.3%
2
COB-40
12.7 ± 0.3%
12.7 ± 0.3%
COB-40
COB-40
43