Commissioning
3066501_201910
WOLF GmbH | 55
6.8.3
Check that the flue cascade dampers are free of leaks
DANGER
Escape of flue gases!
Risk of asphyxiation or severe to life-threatening poisoning.
► The flue cascade dampers must be checked for leaks once a year in positive pressure systems.
1
2
Fig. 6.7
Flue cascade
q
Check for leaks on adjacent appliances
w
Check first heat generator for leaks
Check for leaks on adjacent appliances (1)
► Switch the second, third and fourth heat generator to standby:
– Select the
heating circuit status page
in the BM-2 programming unit.
– Select the
rotary selector icon
and switch to
Standby
.
✔
The heat generators will switch to standby mode.
► Press the
emissions test
quick start button to turn the first COB-2 on.
✔
COB-2 turns on.
► Wait for at least 5 minutes.
► Measure the CO
2
level for the second, third and fourth heat generator:
– Remove cap from inlet air test port.
– Insert test probe 2 cm.
– Measure CO
2
value.
CO
2
value exceeds 0.2% in the first 15 minutes, there is a leak in the flue system.
► Find and fix the leak.
► Measure the CO
2
level again.
CO
2
level remains below 0.2%, no leak in the flue system:
► End
emissions test mode
✔
The heat generator shuts down.
► Close the test ports. When doing so, ensure the caps are seated firmly!
Check first heat generator for leaks (2)
► Press the
emissions test
quick start button to turn the second COB-2 on.
✔
COB-2 turns on.
► Wait for at least 5 minutes.
► Measure the CO
2
level for the first heat generator:
– Remove cap from inlet air test port.
– Insert test probe 2 cm.
– Measure CO
2
value.
CO
2
value exceeds 0.2% in the first 15 minutes, there is a leak in the flue system.
