BRSL.BODYB
BDFD.BODYB
5055.633-B
Gas Supply
Gas pressure requirements
Input Pressure
Natural Gas Propane
Minimum
5.0” WC
11.0” WC
Maximum
13.9” WC
13.9” WC
Manifold Pressure
High
3.5” WC
10” WC
Low
1.6” WC
6.4” WC
Gas Pressure Check / Output / Efficiency
Bristol
Gas Orifice Output
AFUE
NG 1.98mm 18,000 btu/hr 76%
LP
1.25mm 17,000 btu/hr 76%
Bedford
Gas Orifice Output
AFUE
NG 2.55mm 30,000 btu/hr 75%
LP
1.50mm 26,000 btu/hr 75%
Servicing of the appliance can be performed from the front of the unit by removing the front trim, or by
removing the gas
tray from the unit.
Caution: The gas line should be installed by a qualified service person in accordance with all building codes.
This section is intended as a guide for qualified technicians installing this appliance. Consult local and/or
national building codes before proceeding.
•
Gas supply line connection is located on the side of the insert. Gas connection accepts a 3/8” N.P.T. fitting.
Correct gas line diameter must be used to assure proper operation and pressure.
•
The fireplace input rating is shown in the chart below.
•
A drip leg must be installed in the gas supply line going to the gas control valve to minimize the possibility of
any loose scale or dirt within the gas supply line from entering the control valve.
•
It is essential that a union or flanged connection be installed just upstream of the valve and inside the
control compartment to allow for repair or replacement of the gas valve.
Check local codes for additional requirements.
Turn on the gas supply and check that all connections are tight and leak free.
Please refer to following page for gas pressure testing procedure.
WARNING: The gas tray including gasket must be reinstalled after conversion/installation
or servicing has been completed.
20
050216-44