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www.desatech.com

117541-01B

WARNING:  Improper  installation,  adjustment,  altera

-

tion, service or maintenance can cause injury, property 

damage or loss of life. Refer to this manual for assis-

tance  or  additional  information.  Consult  a  qualified 

installer or local distributor.

table OF cOntentS

Safety Information ............................................... 

Specifications

 ...................................................... 3

Fireplace Installation

............................................ 6

Venting Installation

 .............................................. 8

Optional Gas Line Installation

............................ 1

Brick Installation

 ................................................ 13

Glass Door Installation

 ...................................... 0

Operation and Maintenance Guidelines

 ............ 1

Technical Service............................................... 3

Replacement and Accessory Parts

.................... 3

SaFety inFORMatiOn

IMPORTANT:  Check  local  codes 

before installing this fireplace.

Before beginning the installation of the fireplace, 

read these instructions through completely.

•  This DESA fireplace and its components are 

safe when installed according to this installation 

manual. Unless you use DESA components, 

which have been designed and tested for the 

fireplace system, you may cause a fire hazard.

•  The DESA warranty will be voided by and 

DESA disclaims any responsibility for the 

following actions.

a.  Modification of the fireplace, components, 

doors, air inlet system and damper control.

b.  Use of any component part not manufac

-

tured or approved by DESA in combination 

with a DESA fireplace system.

Proper installation is the most important step in 

ensuring safe and continuous operation of the 

fireplace. Consult the local building codes as to 

the particular requirements concerned with the 

installation of all factory built fireplaces.

 WARNING: Do not install a 

fireplace insert in this box unless 

the manufacturer's instructions 

with the insert specifically state 

this fireplace has been tested for 

use with this insert.

FOR YOUR SAFETY

•  Do not store or use gasoline 

or any other flammable vapors 

or liquids in the vicinity of this 

or any other appliance.

•  Due to high temperatures, the 

appliance  should  be  located 

out  of  traffic  and  away  from 

furniture and draperies.

•  Do not place clothing or other 

flammable materials on or near 

the appliance.

•  Never  leave  children  unat-

tended when a fire is burning 

in the fireplace.

 WARNING: Use  solid  wood 

or processed solid fuel firelogs 

only. When processed wood fuel 

fire logs are used, do not poke or 

stir the logs while they are burn-

ing. Use only fire logs that have 

been evaluated for the application 

in fireplace and refer to fire log 

warnings and caution markings 

on packaging prior to use.

This fireplace is not intended to be 

used as a substitute for a furnace 

to heat an entire home. Use for 

supplemental heat only.

Summary of Contents for JM36 Series

Page 1: ...for use with a vented gas log approved to ANS Z21 60 Z21 84 or RGA 2 72 standards or for use with a vent free gas log heater approved toANS Z21 11 2 standard This wood burning fireplace complies with...

Page 2: ...e of any component part not manufac tured or approved by DESAin combination with a DESA fireplace system Proper installation is the most important step in ensuring safe and continuous operation of the...

Page 3: ...2 AIR SPACE BACK AND SIDES 0 TO BOTTOM GAS LINE KNOCKOUTS 12 EACH SIDE COMBUSTIBLE WALL BOARD NO COMBUSTIBLE MATERIAL ON FACE MINIMUM 12 TO PERPENDICULAR SIDEWALL HEARTH EXTENSION 60 X 20 1 CHIMNEY AI...

Page 4: ...67 11 GAS LINE KNOCK OUTS AIR KIT KNOCK OUT LEFT SIDE OUTSIDE AIR 11 2 AIR SPACE BACK AND SIDES 0 TO BOTTOM GAS LINE KNOCKOUTS 12 EACH SIDE COMBUSTIBLE WALL BOARD NO COMBUSTIBLE MATERIAL ON FACE MINI...

Page 5: ...RIAL TERMINATION SQUARE CHASE TOP ROUND TOP TERMINATION COMBUSTIBLE WALL BOARD NO COMBUSTIBLE MATERIAL ON FACE 0 TO BOTTOM OUTSIDE AIR 11 2 AIR SPACE BACK AND SIDES GAS LINE KNOCKOUTS 12 EACH SIDE MIN...

Page 6: ...allation The minimum height of the chimney measured from the base of the fireplace to the flue gas outlet of the termination is 9 5 feet minimum of 4 feet of chimney pipe sections required for outdoor...

Page 7: ...hearth extension with a non combustible material see Figure 3 WARNING Hearthextension is to be installed only as shown in Figure 3 Fireplace Installation Continued Figure 3 Hearth Extension Seal Gap...

Page 8: ...imney together it is important to assure the joint between the chimney sections is locked Check by pulling chimney upward after locking The chimney will not come apart if properly locked It is not nec...

Page 9: ...3 4 4 OFFSET CHART 22 50 FT SYSTEM HEIGHT Figure 7 Typical Offset Terminations Return Elbow Offset Elbow Return Elbow Offset Elbow 6 Max 6 Max 6 Max 6 Max 6 Max 6 Max Return Elbow Offset Elbow Offset...

Page 10: ...ling Frame Firestop Spacer Screws or Staples Min of 8 Firestop Spacer Screws or Staples Min of 8 Penetrating the roof To maintain a 1 JM36 or 2 JM42 JM50 clear ance to the pipe on a roof with a pitch...

Page 11: ...f using 8 x 3 4 screws and then sealed with roof coating to prevent leakage through the screw holes A roof coating must also be applied around the perimeter of the flashing to provide a proper seal Na...

Page 12: ...her opening When overlapping with a noncombustible facing material use only noncombustible mortar or adhesive Optional Gas Line Installation Gas line hook up should be done by your supplier or a quali...

Page 13: ...s log the damper must be removed or permanently locked in the fully open position and the glass doors must be in the fully open position Figure 18 Gas Line Knockout Side Firebrick Finished Side Refrac...

Page 14: ...RIGHT PANEL HEARTH PANEL AH Q P AG AC AE AF FULL AF AF AP AC AG AT AG Q AI Q AI C C D D FULL C D C G FULL FULL G FULL FULL FULL FULL FULL H H I I M M AB L FULL D C AS C FULL FULL FULL FULL FULL FULL...

Page 15: ...Installation for Model V JM42 Brick Installation Continued See instruction on page 14 before installing brick AO REAR PANEL RIGHT PANEL HEARTH PANEL R FULL FULL FULL FULL FULL FULL FULL B D C A B C A...

Page 16: ...A AB AC AD Box 1 Hearth 36 2 Box 2 Rear 36 2 Box 3 Left or Right 36 1 2 Box 4 Left or Right 36 1 2 TOTAL 4 0 0 0 0 0 0 0 0 0 0 2 4 0 brick matrix for model V JM36 Continued Brick Matrix AE AF AG AH AI...

Page 17: ...W X Y Z AA AB AC AD Box 1 Hearth 42 2 2 2 2 2 2 Box 2 Rear 42 1 Box 3 Left or Right 42 1 1 Box 4 Left or Right 42 1 1 TOTAL 3 2 0 0 2 2 2 2 2 0 2 0 0 0 Brick Matrix V JM42 brick matrix for model V JM4...

Page 18: ...ix Q R S T U V W X Y Z AA AB AC AD Box 1 Hearth 50 Box 2 Rear 50 3 Box 3 Left or Right 50 1 1 Box 4 Left or Right 50 1 1 TOTAL 5 2 0 0 0 0 0 0 0 0 0 0 0 0 Brick Matrix V JM50 brick matrix for model V...

Page 19: ...of grout mixture This will keep the mixture moist and it will not dry out before use 5 Begin grouting by first doing a Filler Pass This is done by filling the joint about 3 4 full with grout mixture...

Page 20: ...door frame into face opening and tighten screws see Figure 25 door frame MODELS BDMO36E G C BDMO42E G C AND BDMO50E G C Installation 1 Remove screws from smoke shelf see Figure 26 2 Mount top door fra...

Page 21: ...he glass must be allowed to warm slowly and evenly The tempered glass will withstand a gradual temperature rise to 550 F which is more than a normal fire will generate Such materials as pitch wax lade...

Page 22: ...tallation in Vented Fireplaces ANSI Z21 60 or American Gas Association draft requirements for Gas Fired Log Lighters for Wood Burning Fireplaces Draft NO 4 dated August 1993 If you wish to install an...

Page 23: ...BDM42E 42 Ebony BDM42G 42 Pewter BDM42C 42 Oiled Bronze BDM50E 50 Ebony BDM50G 50 Pewter BDM50C 50 Oiled Bronze BDMO36E 36 Ebony BDMO36G 36 Pewter BDMO36C 36 Oiled Bronze BDMO42E 42 Ebony BDMO42G 42...

Page 24: ...OT A UPC 117541 01 Rev B 11 05 117541 01 Firestop Spacer FS 10 1100EFS 10DM for model GM36 Roof Flashing V6F 10DM 0 to 6 12 Pitch V12F 10DM 6 12 to 12 12 Pitch Replacement and Accessory Parts Continue...

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