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113900-01D

4

22 

1

/

2

"

16 

11

/

16

"

13 

1

/

4

"*

14 

1

/

4

"

31 

5

/

8

"  

34 

3

/

8

"

35 

5

/

8

"

19 

1

/

4

"

Figure 3 - Firebox Top View 

*

Note:

 14

1

/

4

" is total firebox cavity depth including 

brick  liner.  13

1

/

4

"  is  depth  of  flat  floor  including 

brick liner.

LOCATINg FIREBOX 

Plan where you will install the firebox. This will 
save time and money later when you install 
the firebox. Before installation, consider the 
following:
1.  Where the firebox will be located. Allow for 

wall and ceiling clearances (see 

Installa-

tion Clearances, 

page 8). 

.  Everything needed to complete installa-

tion.

3.  These models CANNOT be installed in a 

bedroom or bathroom.

4.  Proper air for combustion and ventilation 

(see 

Air  For  Combustion  and  Ventila-

tion

).

AIR FOR COMBUSTION 

AND VENTILATION

 

WARNING: This firebox shall 

not  be  installed  in  a  confined 

space or unusually tight construc

-

tion unless provisions are provid

-

ed for adequate combustion and 

ventilation air. Read the following 

instructions to insure proper fresh 

air for this and other fuel-burning 

appliances in your home.

Today’s homes are built more energy efficient 
than ever. New materials, increased insulation 
and new construction methods help reduce 
heat  loss  in  homes.  Home  owners  weather 
strip  and  caulk  around  windows  and  doors 
to keep the cold air out and the warm air in. 
During  heating  months,  home  owners  want 
their homes as airtight as possible.

 

12 

1

/

2

"

3

/

4

"

5

/

8

"

1

/

2

"

6"

 

32 

3

/

16

"

1

/

4

"

Electrical Access Hole  Gas Line Access 

Figure 2 - Firebox Side View 

35 

1

/

16

"

31 

3

/

4

"

1

/

4

"

16 

1

/

4

"

3

/

4

"

7

/

8

"

3

/

4

"

3

/

4

"

3

/

8

"

19 

3

/

8

"

1

/

4

"

Built-in Nailing Flanges 

Figure 1 - Firebox Front View 

pRODUCT FEATURES

OPERATION

This firebox is designed to accept unvented 
decorative gas logs. It requires no outside vent-
ing or chimney making installation easy and 
inexpensive. When used without the blower 
the  firebox  requires  no  electricity  making  it 
ideal for emergency backup heat. 

BLOWER ACCESSORY 

This firebox has an electric blower. The vari-
able blower allows you to select the fan speed 
you desire. The blower circulates heated air 
from the firebox into the room. Use of blower 
is optional.

Summary of Contents for HDFB32C

Page 1: ...y ANSI Z21 11 2 ap proved gas logs This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use wi...

Page 2: ...ith this heater WARNING Donotallowfans to blow directly into the firebox Avoidanydraftsthatalterburner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner pat...

Page 3: ...o not use the firebox if it has been un der water due to the shock hazard that could result with the blower accessary if installed in place 11 Provide adequate clearances around air openings SAFETY IN...

Page 4: ...nsureproperfresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods hel...

Page 5: ...ome meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Determini...

Page 6: ...s water heater ___________ Btu Hr Gas furnace ___________ Btu Hr Vented gas heater ___________ Btu Hr Gas fireplace logs ___________ Btu Hr Other gas appliances _________ Btu Hr Total _ ________ Btu H...

Page 7: ...ge 12 Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two perma nent openings one within 12 of the ceiling and one within 12 of the floor Co...

Page 8: ...uchorextendbeyond the fireplace screen If your installation does not meet the mini mum clearances in Figure 7 you must raise the mantel to an acceptable height OR remove the mantel Example Figure 6 Mi...

Page 9: ...front panel pushing the plastic control shaft forward through the opening see Figure 10 INSTALLation Continued 3 While supporting speed control secure control shaft with lock nut by pushing and turnin...

Page 10: ...pickuplog base assembly by burners This could damage burners Only handle base by grates CAUTION Donotremovethe dataplatesattachedtotheheater base assembly The data plates contain important warranty an...

Page 11: ...d with mantel As sembly instructions are included with each accessory 2 If using a blower install a properly grounded 120 volt three prong electrical outlet at firebox location if an outlet is not the...

Page 12: ...ll 39 3 8 27 7 8 55 5 8 34 3 4 Figure 19 Rough Opening for Installing in Corner 34 3 4 17 3 4 33 1 Frame in rough opening Use dimensions shown in Figure 18 for the rough opening If installing in a cor...

Page 13: ...lappingthefront facing with noncombustible facing material Technical Service You may have further questions about instal lation operation or troubleshooting If so contact DESA Heating Products Technic...

Page 14: ...ings fluted sides and medallion Accessories Purchase these fireplace accessories from your local dealer If they can not supply these accessories call DESAHeating Products Sales Department at 1 866 672...

Page 15: ...and Rapids MI 49504 2672 616 791 0505 1 800 446 1446 www nbmc com Parts Centrals These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing origi...

Page 16: ...www desatech com 113900 01D 16 5 14 14 21 13 14 6 1 14 7 14 18 12 12 20 8 16 11 15 17 9 4 2 3 2 14 10 15 19 Illustrated Parts Breakdown HDFB32C...

Page 17: ...rick Retainer 3 3 114042 01 Rear Firebrick 1 4 114042 02 Side Firebrick 2 5 103207 01 Outer Casing 1 6 Outer Shell Base 1 7 Firebox Wrapper 1 8 103297 01 Assembly Screen 2 9 103773 05 Front Assembly 1...

Page 18: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 19: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 20: ...inal condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnos...

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