Astria Fireplaces BRT40 Instruction Sheet

1

PCBM-36 GAS CONVERSION KIT, MILLIVOLT, NATURAL GAS TO PROPANE/LP GAS

[FOR USE WITH APPLIANCE MODELS MISSION36, BRT4036, BRT4336 AND BRT4536]

PCBM-36 GAS CONVERSION KIT

NATURAL GAS TO PROPANE/LP GAS

P/N 127193-01

Rev. D, 03/2021

HEARTH PRODUCTS

KITS AND ACCESSORIES

Cat. No. Model Description

F1122 PCBM-36 Gas Conversion NG to LP

WARNING

This conversion kit shall be installed by a qualiﬁed

service agency in accordance with the manufac-

turer's instructions and all applicable codes and

requirements of the authority having jurisdiction. If

the information in these instructions is not followed

exactly, a ﬁre, explosion or production of carbon

monoxide may result causing property damage,

personal injury or loss of life. The qualiﬁed service

agency performing this installation is responsible

for the proper installation of this kit and assumes

responsibility for this conversion. The installation

is not proper and complete until the operation of the

converted appliance is checked as speciﬁed in the

manufacturers instructions supplied with the kit.

IMPORTANT LE CANADA SEULEMENT

La conversion devra être effectuée conformément aux

recommandations des autorités provinciales ayant

juridiction et conformément aux exigences du code

d'installation CAN/CSA B149.1.

IMPORTANT CANADA

The conversion shall be carried out in accordance with

the requirements of the provincial authorities having

jurisdiction and in accordance with the requirements

of the CAN/CSA B149.1 Installation code.

AVERTISSEMENT

Cet équipement de conversion sera installé par

une agence qualiﬁée de service conformément aux

instructions du fabricant et toutes exigences et codes

applicables de l'autorisés avoir la juridiction. Si

l'information dans cette instruction n'est pas suivie

exactement, un feu, explosion ou production de

protoxyde de carbone peut résulter le dommages

causer de propriété, perte ou blessure personnelle de

vie. L'agence qualiﬁée de service est esponsable de

l'installation propre de cet équipment. L'installation

n'est pas propre et compléte jusqu'à l'opération de

l'appareil converti est chéque suivant les critères

établis dans les instructions de propriétaire provi-

sionnées avec l'équipement.

KIT CONTENTS

1 ea. Pilot Oriﬁce LP (#30)

1 ea. Main Burner Oriﬁce (#52)

1 ea. Air-Mixer Brass LP

1 ea. Gas Valve Regulator LP

1 ea. Conversion Label, English

1 ea. Conversion Label, French

1 ea. Conversion Information Label

1 ea. Instruction Sheet

REQUIRED TOOLS AND SUPPLIES

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)

TURN OFF THE GAS SUPPLY TO THE APPLIANCE. DISCONNECT

ELECTRICAL POWER SUPPLY.

READ ALL THE STEPS BEFORE STARTING THE CONVERSION. IN-

STALLER NOTICE: THESE INSTRUCTIONS MUST BE LEFT WITH THE

APPLIANCE.

When installing gas components use pipe joint compound or

Teﬂon tape on all pipe ﬁttings before installing (Do not use pipe

joint compounds on ﬂare ﬁttings).

THE APPLIANCE MUST BE OFF AND COLD BEFORE PERFORMING

THE GAS CONVERSION.

ALL WARNINGS, PRECAUTIONS AND INSTRUCTIONS IN THE INSTAL-

LATION AND OPERATION MANUAL PROVIDED WITH THE APPLIANCE

APPLY TO THESE INSTRUCTIONS.

GENERAL INFORMATION

Gas conversion kits are available to adapt the appliance from the

use of one type of gas to the use of another. These kits contain all

the necessary components needed to complete the task including

labeling that must be afﬁxed to ensure safe operation.

127193-01_D2IHP.us.com

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 ﬁrebox.

IMPORTANT

The burner oriﬁce provided in this kit are only for use at

elevations of 0 to 2,000 feet (610 M) in the USA and 0 to

4,500 feet (0-1372 M) in Canada. At higher elevations

the BTU input must be de-rated by 4% for every 1,000

feet (305 M) to maintain the proper ratio of gas to air. If

the installer must convert the unit to adjust for varying

altitudes, a deration information sticker must be ﬁlled

out by the installer and adhered to the appliance at the

time of the conversion. Contact your local gas supplier

for deration requirements for your area.

CAUTION

The gas supply shall be shut OFF prior to discon-

necting the electrical power, before proceeding with

the conversion.

ATTENTION

Avant d’effecteur la conversion, coupez d’abord

l’alimentation en gaz, ensuite, coupez l’alimentation

electrique.

Figure 1 - Removing Glass Doors

Figure 2 - Removing Front Refractory Access Panel

Figure 3 - Removing Log Set

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.

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

3. Remove front refractory access panel by lifting up and angling out

of ﬁrebox opening (see Figure 2).

IHP.us.com

127193-01_D 3

Figure 4 - Removing/Replacing Main Burner Oriﬁce

CONVERSION INSTRUCTIONS

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 oriﬁce mount exposed, use a 7/8” open-end back-up wrench

on 3/8” ﬂare adaptor and remove 3/8” ﬂare ﬁtting at the end of 3/8”

ﬂare adaptor. This will prevent spinning and damage to the ﬂexible

tube (see Figure 4).

3. Using the 7/8” wrench, remove the remaining oriﬁce assembly from

the burner tube.

4. Separate the 3/8” male ﬂare adaptor from the existing natural gas

oriﬁce ﬁtting and save for later reassembly.

5. Thread the propane/LP gas oriﬁce into the propane/LP gas air-mixer

ﬁtting using a 3/8” deep socket driver. NOTE: LP gas airmixer ﬁtting

has six (6) holes. The natural gas ﬁtting has no holes.

6. Apply a light amount of propane/LP resistant sealant to both threaded

ends of LP air-mixer ﬁtting.

7. Thread large threaded end of propane/LP air-mixer ﬁtting into burner

tube and tighten with 7/8” wrench until ﬂange is fully-seated into

bracket.

8. Replace 3/8” ﬂare adaptor onto exposed thread on propane/LP

gas air-mixer ﬁtting. Use 7/8” back-up wrench on ﬁtting to prevent

turning burner tube.

9. Retighten ﬂare ﬁtting on ﬂexible 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.

Gas Control Valve Conversion

Convert the gas control by swapping out the valve regulator portion of

the gas valve.

1. Using a Torx T20 or slotted screwdriver, remove and discard the

three mounting screws, pressure regulator tower, and diaphragm/

spring components (see Figure 5).

2. Ensure that the rubber gasket is properly positioned on the new pres-

sure regulator assembly. Install LP pressure regulator assembly to

valve using the new mounting screws supplied with the kit. Tighten

screws securely (@ approximately 25 in-lbs.) (see Figure 6).

3. Install the identiﬁcation label enclosed with the gas valve regulator

to the valve body, where it can easily be seen (see Figure 6).

Figure 5 - Removing Mounting Screws, Pressure Regulator

Tower, and Diaphragm/Spring Components

Figure 6 - Installing Pressure Regulator Assembly

T

N

O

L

I

P

O

F

O

F

Mounting

Screws

Pressure

Regulator

Tower

Diaphragm

/ Spring

Components

O

F

P

I

L

O

T

O

N

Mounting Screws

Rubber Gasket

Identiﬁcation

Label

3/8" Deep Socket

Propane/LP

Gas Orifice

Propane/LP

Gas Air-

Mixer Fitting

3/8" Flare Fitting

Natural Gas

Orifice Fitting

Burner

Bracket

Flange

Burner

Tube 7/8" Back-Up

Wrench

Pilot Burner

Shield

#10 Phillips

Screw

3/8" Flare

Adaptor

LP Orifice must be installed

inside the end of the Mixer

that screws to the burner.

127193-01_D4IHP.us.com

Figure 7 - Applying English and French Conversion Labels

Over Existing Certiﬁcation Labels on Lighting Instruction Plate

French This Side

English This Side

VEN T E D GAS FIRE P L AC E HEATE R

Conv ersion Kit Model PCD M-36R T

Type of G as Propane /LP

Minimum Inlet S upply P re ssur e11.0" w.c.

For P urpose of Input Adjustm en t

Manifo ld Pressur "0.

0

1e w.c.

Output R atin g Max. 13,000 Btu /h

Input Ratin g Max. 20,000 Btu/h

(0-4500 Ft) Min. 13,000 Btu/h

This A ppliance is Eq uipped

with an S .I. T. Nova M odel

0.820.651 Valve

Com plies with

ANS Z21.88 -2000

CSA 2.33-200 0

Vented Gas Fire place

Heater

116635 -01

Previous M ode l #___ _________ _

CUS

Conversion Labeling and Placement

1. Apply the English and French conversion labels over existing certiﬁ-

cation labels (see Figure 7). Existing certiﬁcation labels are located

on the lighting instruction plate inside the gas valve compartment

area. With permanent ink, print the previous model number on the

label in the space provided (see Figure 8).

2. After ﬁlling in the data required on the conversion information label,

afﬁx it to the ﬂoor of the appliance where it is easily seen when the

control cover is removed (see Figure 9).

Figure 9 - Conversion Information Label

CONVERSION INFORMATION LABEL

This appliance was converted on

___ - ___ - ___ to ______________ gas

with Kit No. _______________________

by _____________________________

_____________________________

(name and address of organization making

this conversion), which accepts the

responsibility that this conversion has been

properly made.

106080-01

56060

Day Month Year

Lighting

Instruction

Plate

Figure 8 - Print Previous Model Number on

Conversion Labels

Figure 10 - Converting Pilot Oriﬁce

www.desatech.com 109103-01B4

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 the pilot hood assembly from

barrel using a 7/16" open end wrench (see

Figure 10).

2. Remove the pilot orice from inside the

barrel with tweezers or a pair of needle

nose pliers.

3. Replace pilot orice with propane/LP ori-

ce supplied with this kit. The number 14

is stamped on the sleeve for identication.

Insert the open end of the new pilot orice

into the barrel and thread the pilot hood

back onto the barrel.

4. Tighten the hood using the 7/16" open end

wrench until the hood is fully seated and

in-line with the bracket.

IMPORTANT: Be careful not to bend or kink

the aluminum tubing during conversion.

Make sure the pilot hood and orice are

properly mated and aligned after nishing

this conversion.

Figure 10 - Converting Pilot Orice

Pilot Hood

Pilot Orice

Barrel Clip

Pilot Bracket

7/16" Hex

Wrench

CU

S

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 oriﬁce from inside barrel using a 5/32” allen wrench

to unscrew the oriﬁce.

3. Replace pilot oriﬁce with LP oriﬁce supplied with this kit. The number

30 is stamped on the sleeve for identiﬁcation. Insert small end of

new pilot oriﬁce 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 oriﬁce are properly mated and

aligned after ﬁnishing this conversion.

Pilot Hood

Pilot Oriﬁce

Barrel Clip

Pilot Bracket

5/32" Allen

Wrench

IHP.us.com

127193-01_D 5

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 volcanic stone.

5. Replace glass doors if previously installed. Refer to Installing Optional

Glass Doors in owner’s manual.

6. Using a manometer, test the inlet and manifold gas pressures.

Inspect for proper burner ﬂame appearance (see Figure 11).

The conversion is now complete. To operate your ﬁreplace, refer to

Operating Fireplace in your appliance owner’s manual.

WARNING

Test all gas piping and connections for leaks after

installation or servicing. Correct leaks at once.

WARNING

Never use an open ﬂame to check for a leak. Apply

noncorrosive leak detection ﬂuid to all joints. Bubbles

forming show a leak. Correct all leaks at once.

Figure 11 - Inspect for Proper Burner Flame Appearance

No Blue Flame

Center

Soot at

Flame Tip

Dark Orange

Flame

IMPROPERLY

BURNING FLAME

Soot above

Flame Tip No Soot at

Flame Tip

PROPERLY

BURNING FLAME

Semi-Transparent

Yellow Flame

Blue Flame

Center

REFERENCE INFORMATION

Inlet Gas Supply Pressure

Fuel # Minimum Maximum

Propane 11.0” WC (2.74 kPa) 13.0” WC (3.23 kPa)

Table 1

Manifold Gas Supply Pressure

Fuel # Pressure

Propane Gas 10.0” WC / (2.49 kPa)

Table 2

Main Burner Oriﬁce Sizes

Fireplace Model Drill Size

Propane

Mission36, BRT4036, BRT4336 BRT4536 #52

Table 3

BTU Input

Models Propane Gas / LP

High Rate Low-rate

Mission36, BRT4036, BRT4336 BRT4536 40,000 n/a

Table 4

127193-01_D6IHP.us.com

______________________________________________________

NOTES

IHP.us.com

127193-01_D 7

______________________________________________________

NOTES

8

P/N 127193-01 Rev. D 03/2021

IHP reserves the right to make changes at any time, without notice, in design, materials, speciﬁca-

tions, prices and also to discontinue colors, styles and products. Consult your local distributor

for ﬁreplace code information.

1769 East Lawrence Street • Russellville, AL 35654

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