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"
1"
49"
8"
58"
30"
36"
45"
12"
9.5"
7"
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"
1"
49"
8"
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"
1"
49"
8"
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°




6"
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" 1
12 3/4" 30 3/4" 1
15" 34 3/4" 1
18" 40" 1 1
21 1/4" 46 1/4" 1
23 3/4" 49 1/4" 1 1
3/4" 56 3/4" 1
30" 60 3/4" 1 1
33" 66" 1
36"  1 1
38 1/4" 2
41 1/4" 80 1/4" 1 1 1
45" 86 3/4" 2
46 3/4" 89 1/2" 1 1 1
51"  1 1
53 1/4" 101" 2
56 1/4" 106 1/4" 2
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" 4
Figure 7 - Elbow Offset
B


     


-




      


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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






















A B C






