TCWS.38NG08C 250512-16
1.
Remove the plug from the pressure test
port using a 3/16” hex key. The plug is
located between the right side lintel and
fi rebox side (Fig. #31).
2.
Thread the extension test fi tting into the
open port (Fig. #32).
3.
Attach a pressure gauge onto the
fi tting.
4.
When testing is complete shut off the
gas, remove the fi tting and replace the
plug. Thread sealant will be required to
ensure a gas tight connection.
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.
SUPPLY
PRESSURE
MANIFOLD
PRESSURE
Fig #33
Correct gas pressure requirement:
Supply Pressure
Natural Gas
Propane
Min. Pressure
5.0" WC
12.5" WC
(For purpose of input adjustment)
Max. Pressure
13.9" WC
13.9" WC
Manifold
Pressure
Maximum
3.8" WC
11" WC
Minimum
2.1" WC
5.5" WC
Fig #31
Fig #32
10
Gas Pressure Check
