Desa PCBM-325 User Manual
INSTALLATION INSTRUCTIONS FOR
PCBM-325 CONVERSION KIT
CONVERTING FROM NATURAL GAS TO PROPANE/LP GAS
For Use When Converting Model (V)P325(B)
Vented Decorative Fireplace
This conversion kit must be
installed by a qualied service
person.
Read these instructions completely before
installing this conversion kit.
Before proceeding, make sure the gas control valve is in the OFF position, all electrical
power to the appliance is OFF, and the replace is cool to the touch.
CAUTION: The gas supply
shall be shut off prior to disconnecting the electrical power
before proceeding with the
ACCESSING FIREPLACE
You may access burner system through opening in front of unit.
1. Remove front glass panels (if installed).
This will keep them from being damaged.
To remove, partially open doors. Press
up on upper spring clip of one door panel
with a screwdriver until outer top pivot pin
is free of clip (see Figure 1). Repeat with
second door panel. Place glass panels
safely out of your work area.
2. Slide open screens and tuck inside outer
pockets on rebox.
3. Remove front refractory access panel by
lifting up and angling out of rebox opening (see Figure 2, page 2).
conversion.
Parts included with this kit:
Part No. Description Qty.
108805-01 Instruction Sheet 1
108085-02 Pilot Orice LP 1
901065-09 Main Burner Orice LP 1
901066-02 Air-Mixer Brass LP 1
106380-01 Gas Valve Regulator 1
108808-02 Conversion Label, English 1
108809-02 Conversion Label, French 1
106080-01
Tools Required:
• 7/8" Open End Wrench or Adjustable
• 3/4" Open End Wrench or Adjustable
• 3/8" Deep Socket Drive
• Torx T20 or Slotted Screwdriver
• 5/32" Allen Wrench
• #2 Short Phillips Screwdriver
• Thread Sealant (Resistant to Propane/LP )
Conversion Information Label
Wrench
Wrench
1
Depress Spring Clip to
Release Pivot Pin
Fold Bi-Fold
Door After
Releasing
Spring Clip
and Slide
Door Out
of Upper
Track
Remove Bottom Pin From
Pivot Plate While Sliding Door
Out of the Upper Track
Figure 1 - Removing Glass Doors
Spring
Clip
Pivot
Plate
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4. Remove logs. Care fully lift top logs
straight up until pins are clear of lower logs
(see Figure 3). Continue removing logs
one at a time. The rear log is very heavy
and should be lifted with both hands.
Place logs away from your work area. Be
careful not to damage logs.
Figure 2 - Removing Front Refractory
Access Panel
4. Separate the 3/8" male are adapter from
the existing natural gas orice tting and
save for later reassembly.
5. Thread the propane/LP gas orice into the
propane/LP gas air-mixer tting using a
3/8" deep socket driver. Note: LP gas air-
mixer tting has six (6) holes. The natural
gas tting has no holes.
6. Apply a light amount of propane/LP resistant sealant to both threaded ends of LP
air-mixer tting.
7. Thread large threaded end of propane/
LP air-mixer tting into burner tube and
tighten with 7/8" wrench until ange is
fully-seated into bracket.
8. Replace 3/8" are adapter onto exposed
thread on propane/LP gas air-mixer tting. Use 7/8" back-up wrench on tting
to prevent turning burner tube.
9. Retighten are tting on exible manifold
tube with the 3/4" open-end wrench and
7/8" back-up wrench.
10. Reattach pilot shield onto burner bracket
with screw removed in step 1.
3/8" Deep Socket
Propane/LP
Gas Orice
Propane/LP
Gas Air-
Flange
Burner
Bracket
Mixer Fitting
Pilot Burner
Shield
#10 Phillips
Screw
Figure 3 - Removing Logs Set
MAIN BURNER ORIFICE
CONVERSION
1. Using a #10 short Phillips screwdriver,
remove top mounting screw holding pilot
burner shield in place (see Figure 4).
2. With orice mount exposed, use a 7/8"
open-end back-up wrench on 3/8" are
adapter and remove 3/8" are tting at the
end of 3/8" are adapter. This will prevent
spinning and damage to the exible tube
(see Figure 4).
3. Using the 7/8" wrench, remove the remain-
ing orice assembly from the burner tube.
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3/8" Flare
Adapter
Burner
Tube
Natural Gas
Orice Fitting
7/8" Back-Up
Wrench
Figure 4 - Removing/Replacing Main
Burner Orice
3/8" Flare Fitting
108805-01C2
GAS CONTROL VALVE
O
F
F
P
I
L
O
T
O
N
O
F
F
P
I
L
O
T
O
N
CONVERSION
Convert gas control valve by changing out the
valve regulator portion of gas valve.
1. Using a TORX T20 or slotted screwdriver,
remove and discard thr ee mounting
screws, pressure regulator tower, and
diaphragm/spring components (see Fig-
ure 5).
2. Insure rubber gasket is properly positioned on new pressure regulator assembly. Install new pressure regulator
assembly to valve using new mounting
screws supplied with kit. Tighten screws
securely (approximately 25 in-lbs.) See
Figure 6.
3. Install the identication label enclosed with
gas valve regulator to valve body where it
can easily be seen (see Figure 6).
Mounting
Screws
Pressure
Regulator
Tower
Diaphragm/
Spring
Components
Mounting Screws
Rubber Gasket
Identication
Label
Figure 6 - Installing Pressure Regulator
Assembly
CONVERSION LABELING AND
PLACEMENT
1. Apply the English and French conversion
labels over the top of existing certication
labels (see Figure 7). Existing certication
labels are located on the lighting instruction plate inside the gas valve compart-
ment area. With permanent ink, print the
previous model number on the label in the
space provided (see Figure 8, page 4).
French This
Side
English This
Side
Lighting
Instruction
Plate
Figure 5 - Removing Mounting Screws,
Pressure Regulator Tower, and
Diaphragm/Spring Components
108805-01C 3
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Figure 7 - Applying English and French
Conversion Labels Over Existing
Certication Labels on Lighting
Instruction Plate
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