Checking Static And Supply Pressure - Viessmann VITODENs 200 Installation Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Yes
Operational bur-
ner

Checking static and supply pressure

Danger
Higher CO emissions can lead to poisoning.
Measure the CO value before and after any work on gas equipment to
prevent any health hazards and to ensure the perfect operational condi-
tion of the system.
Operation with LPG
Flush the LPG tank twice during commissioning/replacement. Thoroughly vent
the tank and gas lines after flushing.
14
Stops below set
boiler tempera-
ture and immedi-
ately restarts
again
1. Close the gas shut-off valve.
2. Release the screw inside test nip-
ple IN A on the gas combination
valve, but do not remove, and con-
nect the pressure gauge.
3. Open the gas shut-off valve.
4. Check the static pressure; it should
be a max. of 57.5 mbar. Record the
actual value in the service report.
(cont.)
Check flue gas
system for sound-
ness (flue gas
recirculation),
check gas flow
pressure