Sherwood 50-1445,50-1446 Installation Instructions Manual

Sonnet Fuel Conversion

Kit - 50-1445 & 50-1446

Please read and understand these instructions before installing. Failure to follow these

instructions carefully could cause property damage or personal injury.

Warning: This conversion kit shall be installed by a qualied service agency in accordance with
the manufacturer’s instructions and all applicable codes and requirements of the authority
having jurisdiction. If the information in these instructions is not followed exactly, a re,
explosion or production of carbon monoxide may result causing property damage, personal
injury or loss of life. The qualied service agency is responsible for the proper installation of
this kit. The installation is not proper or complete until the operation of the converted appliance
is checked as specied in the manufacturer’s instructions supplied with the kit.

Kit Parts List:

1 - Orice (Natural Gas #42 DMS or Propane #54 DMS)
1 - Conversion label 1 - Installation instruction sheet

Carefully inspect the orice supplied with this conversion kit. If it has been damaged or is missing, contact
your dealer, distributor or courier company to have them replaced before starting this installation. It is highly
recommended that you have your Sonnet Owner’s Manual with you to reference for this installation.

Conversion Kit Installation:

1. Shut the gas supply off at the
shut-off valve upstream of the unit.
CAUTION: The gas supply must
be shut off prior to disconnecting
the electrical power and before
proceeding with the conversion.
Allow the valve and unit to cool down
to room temperature.

2. Remove the glass door by placing the hooked end of the door release
tool in the hole on the door latch mechanism (see Figure 1) and pulling
the latch out then up over the lip on the door. When the two (2) latches
have been released, tilt the door forward and then lift up to unhook the
bottom door tabs. (see Figure 2).

3. Carefully remove the log set and ember
material if they are installed.

Figure 1: Door Release.

Figure 3: Unfastening Burner.

Figure 2: Door Removal.

Figure 4: Burner Removal.

4. Using a T-20 screwdriver, remove the four (4) screws that
hold the burner in place (pointed out in Figure 19). Slide
the burner to the left (see Figure 4), then up and out of the
rebox.

5. Convert the burner orice:

Pilot/

Orifice

Ignitor

Thermocouple

NG

LPG

a) Remove the main burner orice

with a  inch deep socket (see
Figure 5).

b) Put a bead of pipe-thread

sealant or approved Teon tape on
the orice threads before installing
into the brass elbow.

c) Install the new orice from the

kit into the brass elbow (see Figure

6).

Figure 5: Orice Removal. Figure 6: Orice Replacement.

Figure 7. Ignition assembly.

6. Convert the pilot:

Figure 8: Turn Pilot Head.

Figure 9: Set Gas Type to LP for

Regulator.

a) Open the front of the pilot shield.

b) Using a 7/16” wrench, turn the pilot head a  turn counter-clockwise (shown in Figure 8).

c) Push the slider, with your nger or at head screwdriver, to the left if it is to be set for natural gas

or to the right for propane, red on the slider will be visible (see Figure 9).

d) Turn the pilot head a  turn

clockwise; back to its original position.

e) Close the front of the pilot shield.

7. Convert the gas regulator:

a) If unit is installed, pull the Sonnet

out from the replace. Ensure you do
not damage any of the venting or the
unit itself.

b) Using a 7/8” wrench, remove the

brass nut at the back left of the unit
(shown in Figure 10). A small black

Figure 10: Remove Brass Cap.

Figure 11: Set Gas Type for

Valve.

spring depressor is clipped into the back of the brass nut.

c) Set the black spring depressor according to the gas used. The black spring depressor has two (2)

teeth at each end that t in to the brass nut but only one end has a larger disc. If the disc sits inside
the cap then the valve is set for natural gas and if the disc is pointing out then the valve is set for
propane (see Figure 11).

d) Reinstall the spring depressor and brass nut onto the unit.

e) Install the unit back into the replace. Check the venting and the unit itself are correctly

installed.

2