Commissioning / Checking The Gas Supply Pressure - Wolf CGG-1K-24 Installation And Operating Instructions Manual

Only qualified personnel must carry out the
commissioning and boiler operation as well as
the user instruction to prevent dangers and
injuries as well as material losses.
Prior to installation, ensure that the boiler corresponds to the
gas type available.
Gas type
kWh/m³
Natural gas H 12.7 - 15.2
LPG 20.3 - 24.3
- Open the gas connections.
- The boiler and system must be fully vented and must be
absolutely tight.
- Check that all flue gas accessories have been correctly
installed.
- Remove the casing cover.
- Release the plug at test nipple
pipe.
- Retighten the plug.
- Start the boiler.
- Check the ignition and the regular flame structure of the burner.
Check test nipple
gas may escape, resulting in a risk of explosion,
asphyxiation or poisoning.
- If the system water pressure falls below 1.5 bar, top up with
water up to 1.5 to max. 2.5 bar.
1 6
Commissioning /
Checking the gas supply pressure
Wobbe index Ws
MJ/m³
45.7 - 54.7
72.9 - 87.3
À
and vent the gas supply
for soundness, otherwise
Connect the test equipment
- The gas fired boiler must be switched OFF. Open the gas
shut-off valve.
- Remove the casing lid.
- Release the plug at test nipple
- Connect the hose to the pressure test device at test nipple
and check against atmosphere.
- Start the boiler and read off the indicated value.
- Enter the value in the commissioning report.
Gas type Nom. supply pressure Permissible range
Natural gas H 20 mbar
LPG B/P 50 mbar
LPG B/P 29 mbar
* 13 mbar in Russia; this may result in a reduction in boiler output by
up to 2 kW.
Never take the boiler into use if the actual value falls outside
the specified limits.
→ Notify your gas supply company.
Remove the test equipment:
- Shut down the boiler. Close the gas shut-off valve.
- Pull the hose off and tighten the test nipple again. Open the gas
shut-off valve.
Check the test nipple for soundness, otherwise
gas may escape, resulting in a risk of explosion,
asphyxiation or poisoning.
.
18*-25 mbar
43-57 mbar
25-35 mbar
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