Propane Conversion - Pacific energy BRISTOL Installation And Operating Instructions Manual

Before starting the conversion make sure to shut off
the gas supply to the unit and allow fireplace to cool
to room temperature.
T
o convert the gas replace insert from natural gas to propane the
(GASC.LPKIT) kit is required. This kit comes with new pilot and
burner ori ces as well as a new pressure modulator for the valve.
To switch the pressure modulator follow the instructions that are
provided with the conversion kit.
To change the ori ces, remove the door, media set, and burner.
Please refer to the appropriate sections of this manual and follow
instructions on how to correctly remove these components.
After removing the burner access, the burner ori ce which is located
on the bottom of the burner tray, as seen in Figure 30. The ori ce
can be removed using a ½" socket. Before installing the new ori ce
Loctite 567 Thread Sealant needs to be applied to the threads of the
new ori ce to ensure a proper seal when installed.
To replace the pilot ori ce, remove the pilot hood which is held in
place by a spring. First remove the spring, and then remove the
hood by pulling it up from the pilot bracket, seen in Figure 28. To
remove the existing ori ce insert a 5/32" or 4mm Allen wrench into
the hexagonal key-way of the ori ce and rotate until free. Insert the
new ori ce using the same Allen wrench and tighten it until a torque
of 9 lbf in (1 Nm) is achieved. Replace the pilot hood by aligning
the tab on the base of the hood with the slot in the side of the pilot
journal, and push the hood down, onto the pilot bracket. Replace the
spring by pushing it into its seat.
Before returning the burner into position, the venturi shutter will
have to be adjusted to the correct opening. The correct venturi
settings are shown in Figure 33. Loosen the screw with a Phillips
screwdriver and rotate the shutter until the open slots on both sides
are completely open. Tighten the screw, and return the burner into
position.
Pilot
assembly
Figure 30: Burner Ori ce and Pilot.
5055.633-B

Propane Conversion

Ori ce
Pilot
shield
Figure 31: Bristol Bedford pilot shield.
Figure 32: Pilot.
Figure 33: Venturi opening.
22
PILOT ORIFICE SIZES
NG - #62
LP - #35
BRSL.BODYB
050216-44
BDFD.BODYB