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 con-

trol valve is in the OFF position, all electrical

power to the appliance is OFF, and the re-

place is cool to the touch.

CAUTION: The gas supply

shall be shut off prior to dis-

connecting the electrical power

before proceeding with the

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

Conversion Information Label

1

Tools Required:

• 7/8" Open End Wrench or Adjustable

Wrench

• 3/4" Open End Wrench or Adjustable

Wrench

• 3/8" Deep Socket Drive

• Torx T20 or Slotted Screwdriver

• 5/32" Allen Wrench

• #2 Short Phillips Screwdriver

• Thread Sealant (Resistant to Propane/LP )

ACCESSING FIREPLACE

You may access burner system through open-

ing 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 open-

ing (see Figure 2, page 2).

Figure 1 - Removing Glass Doors

Spring

Clip

Depress Spring Clip to

Release Pivot Pin

Remove Bottom Pin From

Pivot Plate While Sliding Door

Out of the Upper Track Pivot

Plate

Fold Bi-Fold

Door After

Releasing

Spring Clip

and Slide

Door Out

of Upper

Track

www.desatech.com

www.desatech.com 108805-01C2

4. Remove logs. Carefully 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

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.

Figure 4 - Removing/Replacing Main

Burner Orice

3/8" Deep Socket

Propane/LP

Gas Orice

Propane/LP

Gas Air-

Mixer Fitting

3/8" Flare Fitting

Natural Gas

Orice Fitting

Burner

Bracket

Flange

Burner

Tube

7/8" Back-Up

Wrench

Pilot Burner

Shield

#10 Phillips

Screw

3/8" Flare

Adapter

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 resis-

tant 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 t-

ting. 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.

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108805-01C 3

GAS CONTROL VALVE

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 three mounting

screws, pressure regulator tower, and

diaphragm/spring components (see Fig-

ure 5).

2. Insure rubber gasket is properly posi-

tioned on new pressure regulator as-

sembly. 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).

Figure 5 - Removing Mounting Screws,

Pressure Regulator Tower, and

Diaphragm/Spring Components

O

F

P

I

L

O

T

O

N

Mounting

Screws

Pressure

Regulator

Tower

Diaphragm/

Spring

Components

Figure 6 - Installing Pressure Regulator

Assembly

O

F

P

I

L

O

T

O

N

Mounting Screws

Rubber Gasket

Identication

Label

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 instruc-

tion 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).

Figure 7 - Applying English and French

Conversion Labels Over Existing

Certication Labels on Lighting

Instruction Plate

English This

Side

French This

Side

Lighting

Instruction

Plate

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2. After lling in the data required on the

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).

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

Figure 9 - Conversion Information Label

VENTED GAS FIREPLACE

Conversion Kit Model

Type of Gas

Previous Model #

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. Replace pilot orifice with LP orifice

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 prop-

erly mated and aligned after nishing this

conversion.

Figure 10 - Converting Pilot Orice

Pilot Hood

Pilot Orice

Barrel Clip

Pilot Bracket

5/32" Allen

Wrench

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108805-01C 5

FINAL PREPARATION

1. Replace any vermiculite and ember mate-

rial 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 con-

nections 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 in-

stalled. 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 allgas 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 so-

lution 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 accor-

dance with the manufacturer’s

instructions and all applicable

codes and requirements of the

authority having jurisdiction. If

the information in these instruc-

tion is not followed exactly, a

re, explosion, or production

of carbon monoxide may result

causing property damage, per-

sonal injury, or loss of life. The

qualied service agency is re-

sponsible for the proper installa-

tion of this kit. The installation is

not proper and completeuntil the

operation of the converted appli-

ance is checked as specied in

the manufacturer’s instructions

supplied with the kit.

www.desatech.com 108805-01C6

NOTES

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108805-01C 7

NOTES

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108805-01

Rev. C

02/07

NOT A UPC

2701 Industrial Drive

Bowling Green, KY 42101

www.desaint.com

108805 01

Desa PCBM-325 User manual

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