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 qualied 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 Orice LP 1
901065-09 Main Burner Orice 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 orice tting and

save for later reassembly.

5. Thread the propane/LP gas orice 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 Orice

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 orice 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 orice assembly from the burner tube.

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3/8" Flare
Adapter

Burner
Tube

Natural Gas

Orice Fitting

7/8" Back-Up

Wrench

Figure 4 - Removing/Replacing Main

Burner Orice

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 identication 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

Identication
Label

Figure 6 - Installing Pressure Regulator

Assembly

CONVERSION LABELING AND
PLACEMENT

1. Apply the English and French conversion
labels over the top of existing certication
labels (see Figure 7). Existing certication

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

Certication Labels on Lighting

Instruction Plate

2. After lling in the data required on the

CONVERSION INFORMATION LABEL

This appliance was converted on

(name and address of organization making
this conversion), which accepts the
responsibility that this conversion has been
properly made.

Day Month Year

– – to gas

with Kit No.

by

106080-01

VENTED GAS FIREPLACE

Conversion Kit Model
Type of Gas

Previous Model #

conversion information label, afx it to
the oor of the appliance where it is easily

seen when the control cover is removed

(see Figure 9).

Figure 8 - Print Previous Model Number

on Conversion Labels

PILOT ORIFICE CONVERSION

1. Remove pilot hood assembly by pulling up
until it disengages from barrel. DO NOT

remove barrel clip (see Figure 10).

2. Remove pilot orice from inside barrel

using a 5/32" allen wrench to unscrew the

orice.

3. Repl ace pilot orifice wit h LP orif ice

supplied with this kit. The number 30 is

stamped on the sleeve for identication.
Insert small end of new pilot orice into

barrel and thread until tight with allen
wrench.

4. Line up notch on pilot hood assembly

to positioning tab on barrel receiver and
snap back into position.

IMPORTANT: Be careful not to bend or

kink aluminum tubing during conversion.

Make sure pilot hood and orice are prop­erly mated and aligned after nishing this

conversion.

Pilot Hood

5/32" Allen

Wrench

Figure 9 - Conversion Information Label

Pilot Orice

Barrel Clip

Figure 10 - Converting Pilot Orice

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Pilot Bracket

108805-01C4

FINAL PREPARATION

1. Replace any vermiculite and ember mate­rial if displaced. Refer to Ember and Pan
Material Placement in owner’s manual.

2. Reinstall logs starting with the rear log,
front logs, then remaining top logs. Refer
to Log Placement in owner’s manual.

3. Leak check gas control and any con­nections you've made before operating
appliance. Refer to Gas Supply Hook-up
in owner’s manual.

4. Replace refractory access panel and lava
rock.

5. Replace glass doors if previously in­stalled. Refer to Installing Optional Glass
Doors in owner’s manual.

The conversion is now complete.

To operate your replace, refer to Operating
Fireplace in your appliance owner’s manual.

WARNING: Test all gas piping
and connections, internal and
external to unit, for leaks after
installing or servicing. Correct
leaks at once.

WARNING: Never use an

open ame to check for a leak.

Apply commercial leak test so­lution to all gas joints. Bubbles
forming show a leak. Correct all
leaks at once.

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 instruc­tion 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 and complete until the
operation of the converted appli-

ance is checked as specied in

the manufacturer’s instructions
supplied with the kit.

108805-01C 5

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NOTES

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108805-01C6

NOTES

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108805-01C 7

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108805 01

2701 Industrial Drive
Bowling Green, KY 42101

www.desaint.com

NOT A UPC

108805-01
Rev. C
02/07