Desa (V)GM36 Quick start guide

For more information, visit www.desatech.com

SAVE THIS BOOK

This book is valuable. In addition to instructing you

on how to install and maintain your appliance, it also

contains information that will enable you to obtain re-

placement parts or accessory items when needed. Keep

it with your other important papers.





ANS Z21.60, Z21.84 or RGA 2-72 standards or for use

with a vent-free gas log heater approved to ANS Z21.11.2

standard.

      

     







etc.) should be contacted before installation to deter-

mine the need to obtain a permit.





RESIDENTIAL WOOD BURNING FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

(V)GM36, (V)GM42 AND (V)GM50 WOOD BURNING MASONRY

FIREPLACES WITH INSULATION

(V)GM36H, (V)GM42H AND (V)GM50H WOOD BURNING

HERRINGBONE MASONRY FIREPLACES WITH INSULATION

www.desatech.com 112435-01R2

-



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

      

installer or local distributor.

TABLE OF CONTENTS

Safety .................................................................. 2

 ...................................................... 3

............................................ 6

 .............................................. 8

............................ 13

 ................................................ 14

 ...................................... 22

 ............ 23

.................... 25

............................................... 26

SAFETY

   



     

    



 

-











 

      -





     -





 -

-







     

      

     









the manufacturer's instructions





use with this insert.



be used as a substitute for a fur-



for supplemental heat only.



 



or liquids in the vicinity of this

or any other appliance.

 

appliance should be located

     

furniture and draperies.

 



the appliance.

• Never leave children unat-









only. When processed wood

      

poke or stir the logs while they



that have been evaluated for



     

caution markings on packaging

prior to use.

www.desatech.com

112435-01R 3

SPECIFICATIONS



10.5"

15.375"

0.625" 45"

29"

26.625"

22"

36"

21.5"

3.5"

10.75"

49"

58"

30"

36"

45"

12"

9.5"

67"

7.5"

11/2" 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

74" X 20"

1" CHIMNEY AIRSPACE

CLEARANCE TO

COMBUSTIBLE MATERIAL

TERMINATION

SQUARE CHASE-TOP

ROUND TOP TERMINATION

OUTSIDE AIR

20"

GAS LINE

KNOCK OUTS

AIR KIT

KNOCK OUT

LEFT SIDE

SAFETY

Continued





www.desatech.com 112435-01R4

SPECIFICATIONS

Continued



10.5"

17"

0.625" 51"

30.5"

28.5"

21.25"

41.25"

23.5"

24.25"

3.5"

13"

49"

58"

30"

42"

51"

12"

9.5"

8.5"

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

MINIMUM 18" TO

PERPENDICULAR

SIDEWALL

HEARTH EXTENSION

66" X 20"

2" CHIMNEY AIRSPACE

CLEARANCE TO

COMBUSTIBLE MATERIAL

ROUND TOP TERMINATION

TERMINATION

SQUARE CHASE-TOP

www.desatech.com

112435-01R 5

SPECIFICATIONS

Continued



10.5"

17"

50"

23.5"

32.75"

3.5"

13"

9.5"

8.5"

2" CHIMNEY AIRSPACE

CLEARANCE TO

COMBUSTIBLE MATERIAL

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

MINIMUM 18" TO

PERPENDICULAR

SIDEWALL

HEARTH EXTENSION

74" X 20"

0.625" 59"

38.5"

28.5"

21.25"

11"

49"

58"

30"

50"

59"

12"

67"

LEFT SIDE

GAS LINE

KNOCK OUTS

AIR KIT

KNOCK OUT

www.desatech.com 112435-01R6

FIREPLACE INSTALLATION

   





     

      



        





 



 -







      

-



     

-



     

1/2





 





30.125"

(42"/50" Models)

59"

(50" Models)

58.125"

67.125"

51.25"

42" Models)

45.25"

(36" Models)

28.250"

(36" Models)

Figure 1 - Framing Dimensions

71" (50" Models)

100" (50" Models)

65" (42" Models)

92" (42" Models)

86.5" (36" Models)

61" (36" Models)

Maintain 1 1/2"

Clearance

at Sides and

Back of Fireplace

1 1/2" Clearance

Not Required at

Nailing Flanges

Figure 2 - Corner Installation



      





 -



      

-



       





        

Optional Outside Air Kit







 1/2

 

 

 

 

 



Mantels

 

 



Framing

-

quired air spaces with insulation

or other materials.



      -

        





















 



www.desatech.com

112435-01R 

HEARTH ExTENSION







    

       



    -











0.25

0.84





-



      

      



  

-





is to be installed only as shown



FIREPLACE INSTALLATION

Continued

Figure 3 - Hearth Extension

























       

      

     

       



-



1/2



       



     

         







12 1/4" Ref.













11/2



33°





Safe









Fireplace







Fireplace

Figure 4 - Mantel Clearances to

Combustible Material

FIREBOX

SAFE ZONE





4.5"















33°









Ref.

www.desatech.com 112435-01R8

Figure 6 - Lineal Gain



PART NO.  

 Fireplace 66 1/2



  10 5/8



  16 5/8



  23 5/8



  34 5/8



  46 5/8



  3/4



 

 





-







12 3/8"











     



    

     

-



    











collar around the chimney at the

      

obstructed.Neveruseblowninsula-



VENTING INSTALLATION

Figure 5 - Outside Air Kit







































       

      





       



   

inlet ducts shall not terminate

in attic space.







-











  

      

      







www.desatech.com

112435-01R 9

VENTING INSTALLATION

Continued



 







      

     

       



      -

 

 

     



    

      





OFFSET CHART (22-50 FT. SYSTEM HEIGHT)

Figure 8 - Ceiling Support Pipe

12S-12DM



















RISE 

A B 12" 18" 24"  48"

4 3/8" 16 3/8"



9 3/4" 25 1/2"

12 3/4" 30 3/4"

15" 34 3/4"

18" 40"

1 1

21 1/4" 46 1/4"

23 3/4" 49 1/4"

1 1

3/4" 56 3/4"

30" 60 3/4"

1 1

33" 66"

36" 

1 1

38 1/4"

41 1/4" 80 1/4"

1 1 1

45" 86 3/4"

46 3/4" 89 1/2"

1 1 1

51" 

1 1

53 1/4" 101"

56 1/4" 106 1/4"

59 1/4" 111 1/2"

1 1 1

61 3/4" 115 1/2"

1 2

64 3/4" 120 3/4"

1 2

68 1/4"

2 1

 130"

1 1 2

1/4"1/2"

1 2 1

3/4" 141 1/2"

1 2 1

3/4" 146 3/4"

Figure 7 - Elbow Offset





     





-









      



www.desatech.com 112435-01R10

VENTING INSTALLATION

Continued









      



     

  

       

















Figure 10 - Firestop Spacer with Living

Space Above Ceiling

Figure 11 - Firestop Spacer with Attic

Space Above Ceiling





Frame



Spacer









Spacer













 



       



      







       





 







Frame

Figure 9 - Typical Offset Terminations

























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