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124382-01B

9

AIR FOR COMBUSTION AND VENTILATION

Continued

1.  Determine the volume of the space (length 

x width x height).

 

Length x Width x Height =__________cu. ft. 

(volume of space)

 

Example:

 Space size 22 ft. (length) x 18 ft. 

(width) x 8 ft. (ceiling height) = 3,168 cu. ft. 

(volume of space)

 

If additional ventilation to adjoining room 

is supplied with grills or openings, add the 

volume of these rooms to the total volume 

of the space. 

2.  Multiply the space volume by 20 to determine 

the maximum Btu/Hr the space can support.

 

 ________ (volume of space) x 20 = (Maxi-

mum Btu/Hr the space can support)

 

Example:

 3,168 cu. ft. (volume of space) x 20 = 

63,360 (maximum Btu/Hr space can support)

3.  Add the Btu/Hr of all fuel burning appliances 

in the space.

 

Vent-free fireplace   

 _________ Btu/Hr

 

Gas 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/Hr

 

* Do not include direct-vent gas appliances. 

Direct-vent draws combustion air from the 

outdoors and vents to the outdoors.

 

Example:

 

Gas water heater 

 

 _________ Btu/Hr

 

Vent-free fireplace  + 

 _________ Btu/Hr

 Total 

 _________ Btu/Hr

4.  Compare the maximum Btu/Hr the space 

can support with the actual amount of Btu/Hr 

used.

 

 _______ Btu/Hr (maximum the space can 

support) 

 

 _______ Btu/Hr (actual amount of Btu/Hr 

used)

 

Example:

  63,360 Btu/Hr (maximum the 

space can support)

 

 

79,000 Btu/Hr (actual amount of 

Btu/Hr used)

The space in the example is a confined space 

because the actual Btu/Hr used is more than the 

maximum  Btu/Hr  the  space  can  support. You 

must provide additional fresh air. Your options 

are as follows:

A.  Rework worksheet, adding the space of an 

adjoining room. If the extra space provides an 

unconfined space, remove door to adjoining 

room or add ventilation grills between rooms. 

See 

Ventilation Air From Inside Building

.

B.  Vent room directly to the outdoors. See 

Ventilation Air From Outdoors,

 page 10.

C.  Install a lower Btu/Hr fireplace, if lower Btu/

Hr size makes room unconfined.

Figure 4 - Ventilation Air from Inside 

Building

Or

Remove

Door into
Adjoining

Room,
Option

3

Ventilation Grills 

Into Adjoining Room,

Option 2

Ventilation

Grills Into

Adjoining 

Room,

Option 1

12"

12"

If the actual Btu/Hr used is less than the 

maximum Btu/Hr the space can support, the 

space is an unconfined space. You will need 

no additional fresh air ventilation.

 WARNING: If the area in which 

the heater may be operated does 

not meet the required volume for 

indoor combustion air, combus

-

tion and ventilation air shall be 

provided by one of the methods 

described in the 

National Fuel 

Gas Code, ANSI Z223.1/NFPA 54, 

the

 International Fuel Gas Code,

 

or applicable local codes.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining 

unconfined  space.  When  ventilating  to  an 

adjoining unconfined space, you must provide 

two permanent openings: one within 12" of the 

ceiling and one within 12" of the floor on the 

wall connecting the two spaces (see options 

1 and 2, Figure 4). You can also remove door 

into adjoining room (see option 3, Figure 4  ). 

Follow  the 

National Fuel Gas Code, ANSI 

Z223.1/NFPA 54, Air for Combustion and 

Ventilation

  for  required  size  of  ventilation 

grills or ducts.

40,000

39,000

79,000

Содержание VUM50HIA

Страница 1: ...do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference PFS US U...

Страница 2: ... fireplace size requirement DO NOT INSTALL THE APPLIANCE IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMEN SIONS REQUIRED FOR THE INSTALLATION WARNING FOR USE ONLY WITH A LISTED GAS FIRED UNVENTED DECORATIVE ROOM HEATER NOT TO EXCEED 40 000 BTU H DO NOT BUILD A WOOD FIRE SAFETY This appliance may be installed in an aftermarket permanently located manufactured mobile home where not prohib...

Страница 3: ...creens are closed before running installed gas log heater Replace hood with FMI PRODUCTS LLC model 109511 01 50 109511 02 42 or109511 0336 only Thishood has been designed to keep the operation of your fireplace safe and efficient 1 Do not use this firebox as a wood burning fireplace Use only decorative unvented room heaters log sets 2 Do not add extra logs or ornaments such as pine cones vermiculi...

Страница 4: ...CATING FIREBOX PLANNING 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 firebox will be located Allow for wall and ceiling clearances see Installa tion Clearances page 11 2 Everything needed to complete installation 3 These models CANNOT be installed in a bedroom unless maximum Btu rating of...

Страница 5: ...5 PRODUCT SPECIFICATIONS 36 MODELS Figure 1 36 Models V UM36 H S I R A and V QM36 H S I R A Series 30 1 2 29 30 11 1 8 54 1 2 7 7 8 7 36 45 1 8 35 16 97 16 50 365 16 7 3 8 111 8 3 3 4 4 7 8 36 HEARTH 1 1 4 20 1 4 Ref 35 1 4 19 22 1 2 ...

Страница 6: ...T SPECIFICATIONS Continued 42 MODELS Figure 2 42 Models V UM42 H S I R A and V QM42 H S I R A Series 4 7 8 54 1 2 7 7 8 7 36 5 16 50 42 51 1 8 32 3 8 3 3 4 30 5 16 8 3 4 13 3 5 16 9 7 16 30 11 1 8 42 HEARTH 1 1 4 23 Ref 41 3 8 26 3 8 21 3 4 ...

Страница 7: ...UCT SPECIFICATIONS Continued 50 MODELS Figure 3 50 Models V UM50 H S I R A AND V QM50 H S I R A Series 365 16 50 8 3 4 13 35 16 97 16 59 1 8 50 7 7 8 7 30 54 1 2 11 1 8 32 3 8 3 3 4 38 5 16 4 7 8 50 HEARTH 1 1 4 23 Ref 49 3 8 34 3 8 21 3 4 ...

Страница 8: ...et to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms WARNING This heater shall notbeinstalledinaroomorspace unlesstherequiredvolumeofin door combustion air is provided by the method described in the National Fuel Gas Code ANSI Z223 1 NFPA54 theIn...

Страница 9: ...ecause the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building B Vent room directly to the outdoo...

Страница 10: ...TION Log heaters installed in this firebox create warmaircurrents Thesecurrents move heat to wall surfaces next to firebox Installing firebox next tovinylorclothwallcoveringsor operating firebox where impuri ties suchas butnotlimitedto to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors INSTALLATION NOTICE The firebox identif...

Страница 11: ...ntel above built in fire box you must meet the minimum allowable clearance between mantel shelf and top of firebox opening shown in Figure 7 These are the minimum allowable mantel clearances for a safe installation Use larger clearances wherever possible to minimize the heating of objects and materials placed on the mantel CAUTION Do not allow the vent freegaslogheatertotouch or extend beyond the ...

Страница 12: ...ly insert firebox into rough opening 5 Attach firebox to wall studs using nails or wood screws through holes in nailing flange see Figure 10 6 Install and properly test gas log heater Follow installation instructions included with the vent free gas log heater that is being installed IMPORTANT When finishing your firebox combustible materials such as wall board gypsum board sheet rock drywall plywo...

Страница 13: ... firebox and cabinet mantel can be installed directly on the floor Mantels may be avail able from your retailer or custom built for your home 1 Assemble cabinet mantel as instructed 2 Install gas piping to firebox location See Installing Gas Line page 14 You may have to cut an access hole in the floor or wall to run gas line to firebox Make sure to locate access hole so cabinet mantel will cover i...

Страница 14: ...ward the firebox surround Hearth Right Face Slot Figure 14 Slots for Firebrick Walls 3 Secure the firebrick wall using 2 of the retainers provided The bracket will slip underneath the metal lip on the top of the wall and screw into the inner dome of the fireplace Figure 15 4 Install the rear firebrick wall last Place the wall face side down on the hearth with the bottom of the wall toward the rear...

Страница 15: ...void spilling Place a wet towel over the bucket making sure it is directly on the surface of grout mixture This will keep the mixture moist and it will not dry out before use 5 Grout all joints where two firebrick walls come together 6 Using a trowel remove excess grout mix ture by moving trowel in the direction of the joint Grout mixture in the joint should now be flush with brick surface If not ...

Страница 16: ...or cap off gas line if desired A gas line or gas log lighter may be installed for the purpose of installing a vent free decora tive gas appliance incorporating an automatic shutoff device and complying with the Standard for Decorative GasAppliances for Installation in Vented Fireplaces ANSI Z21 60 or American Gas Association draft requirements for Gas Fired Log Lighters for Wood Burning Fireplaces...

Страница 17: ...t or has a broken component please do not return it to the store Call FMI PRODUCTS LLC at 1 866 328 4537 to answer questions and replace parts under warranty Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty When calling or writing please have your model and serial numbers of your fireplace ready Model and serial number information ...

Страница 18: ...www fmiproducts com 124382 01B 18 PARTS MODELS V UM 36 42 50 H S I R A SERIES AND V QM 36 42 50 H S I R A SERIES 11 10 11 13 14 15 16 14 3 22 20 21 20 1 19 5 14 15 16 13 12 11 9 7 6 8 17 2 12 18 4 ...

Страница 19: ... 36 2 109457 02 Screen 42 2 109457 01 Screen 50 2 117556 03 Screen 36 Stainless 2 117556 02 Screen 42 Stainless 2 117556 01 Screen 50 Stainless 2 21 20806 Screen Rod 36 2 110146 03 Screen Rod 42 2 110146 02 Screen Rod 50 2 117568 03 Screen Rod 36 Stainless 2 117568 02 Screen Rod 42 Stainless 2 117568 01 Screen Rod 50 Stainless 2 22 109511 01 Hood 50 1 109511 02 Hood 42 1 109511 03 Hood 36 1 109511...

Страница 20: ...www fmiproducts com 124382 01B 20 PARTS MODELS MODELS V UM 36 42 50 H S I R A SERIES AND V QM 36 42 50 H S I R A SERIES Picture may vary from actual 1 6 4 3 2 5 7 7 7 8 ...

Страница 21: ... Red 1 125413 01 Rear Stacked 42 Red 1 125425 01 Rear Herringbone 42 Red 1 125437 01 Rear Stacked 50 Red 1 125449 01 Rear Herringbone 50 Red 1 5 124212 01 Right Stacked 36 Red 1 124224 01 Right Herringbone 36 Red 1 125415 01 Right Stacked 42 Red 1 125427 01 Right Herringbone 42 Red 1 125439 01 Right Stacked 50 Red 1 125451 01 Right Herringbone 50 Red 1 6 124214 01 Left Stacked 36 Red 1 124226 01 L...

Страница 22: ...25413 02 Rear Stacked 42 Ivory 1 125425 02 Rear Herringbone 42 Ivory 1 125437 02 Rear Stacked 50 Ivory 1 125449 02 Rear Herringbone 50 Ivory 1 5 124212 02 Right Stacked 36 Ivory 1 124224 02 Right Herringbone 36 Ivory 1 125415 02 Right Stacked 42 Ivory 1 125427 02 Right Herringbone 42 Ivory 1 125439 02 Right Stacked 50 Ivory 1 125451 02 Right Herringbone 50 Ivory 1 6 124214 02 Left Stacked 36 Ivory...

Страница 23: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Страница 24: ...is product and or FMI PRODUCTS LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded ...

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