MANIFOLD
SUPPLY
15
TC42.NG03C 020511-20
1.
Remove the plug from the
pressure test port. The plug is located
between the right side lintel and
fi rebox side. (Fig. #26)
2.
Thread the extension test fi tting into the
open test port. (Fig. #27)
3.
Attach a pressure gauge onto the
fi tting.
4.
When testing is complete remove the
extension test fi tting and replace the
plug. Thread sealant will be required to
ensure a gas tight connection.
Correct gas pressure requirement:
Supply Pressure
Natural Gas
Propane
(For purpose of input adjustment)
Minimum
5.0" WC
12.5" WC
Maximum
13.9" WC
13.9" WC
Manifold
Pressure
Maximum
3.8" WC
11" WC
Minimum
2.1" WC
5.5" WC
Note: To test the gas pressure, turn off the gas supply before removing the plug from
the supply pressure test port or manifold pressure test port.
Verify gas pressures with the fi replace lit and on the highest setting.
Fig #26
Fig #27
Gas Pressure Check
Summary of Contents for TC42.NG03C
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