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Safety Information

3

IMPORTANT

Read these instructions carefully before 

installing or trying to operate a vent-free gas heater in
this firebox.

1. Due to high temperatures, the appliance should be

located out of traffic and away from furniture and
draperies.

2. Children and adults should be alerted to the hazard

of high surface temperature and should stay away
to avoid burns or clothing ignition.

3. Young children should be carefully supervised when

they are in the same room with the appliance.

4. Do not place clothing or other flammable material on

or near the appliance.

5. Any safety screen or guard removed for servicing 

an appliance must be replaced prior to operating
the heater.

6. Installation and repair should be done by a qualified

service person.

7. To prevent malfunction and/or sooting, an unvented

gas heater should be cleaned before use at least
annually by a professional service person. 
More frequent cleaning may be required due to
excessive lint from carpeting, bedding material,
etc. It is imperative that control compartments,
burners and circulating air passages be kept clean.

8. CARBON MONOXIDE POISONING: Early signs of

carbon monoxide poisoning are similar to the flu
with headaches, dizziness and/or nausea. If you
have these signs, obtain fresh air immediately.
Have the heater serviced as it may not be 
operating properly.

9. The installation must conform with local codes or, in

the absence of local codes, with the National Fuel
Gas Code, ANSI Z223.1/NFPA54.

10. This unit complies with ANSI Z21.91.2001 ventless

firebox enclosures for gas-fired unvented 
decorative room heaters.

11. Do not install heater in a bathroom or bedroom.

12. Correct installation of the logs, proper location of

the heater, and annual cleaning are necessary to
avoid potential problems with sooting. Sooting,
resulting from improper installation or operation,
can settle on surfaces outside the fireplace. See
log placement instructions for proper installation.

13. Avoid any drafts that alter burner flame patterns.

Do not allow fans to blow directly into fireplace. 
Do not place a blower inside burn area of firebox.
Ceiling fans may create drafts that alter burner
flame patterns. Sooting and improper burning 
will occur.

14. 

Candles, incense oil lamps, etc. 

produce combustion byproducts including soot. 
Vent-free appliances will not filter or clean soot
produced these types of products. In addition, the
smoke and/or aromatics (scents) may be reburnt 
in the vent-free appliance which can produce
odors. It is recommended to minimize the use of
candles, incense, etc. while the vent-free appliance
is in operation.

15. An unvented gas-fired heater uses air (oxygen)

from the room in which it is installed. Provisions for
adequate combustion and ventilation air must be
provided. See installation guidelines.

16. Keep room area clear and free from combustible

materials, gasoline and other flammable vapors
and liquids.

17. Unvented gas heaters are a supplemental zone

heater. They are not intended to be a primary 
heating appliance. 

18. Unvented gas heaters emit moisture into the living

area. In most homes of average construction, this
does not pose a problem. In houses of extremely
tight construction, additional mechanical ventilation
is recommended.

• Any change to this heater or its 

controls can be dangerous.

• Improper installation or use of the

heater can cause serious injury or
death from fire, burns, explosion or
carbon monoxide poisoning.

• Do NOT allow fans to blow directly

into the fireplace. Avoid any drafts
that alter burner flame patterns.

Summary of Contents for VFLB32

Page 1: ...IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS REQUIRED FOR THE INSTALLATION Homeowner s Installation and Operating Manual Vent Free Universal Firebox model numbers VFLB32 VFLB36 VFL...

Page 2: ...ed dimensional clearances for firebox size must be followed Refer to the manual that is packed with the log set for operating instructions Table of Contents Safety Information 2 Before You Start 5 Hea...

Page 3: ...installation of the logs proper location of the heater and annual cleaning are necessary to avoid potential problems with sooting Sooting resulting from improper installation or operation can settle o...

Page 4: ...he appliance and its appliance main gas valve must be disconnected from the gas supply piping systems during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5kPa 22 The a...

Page 5: ...he appliance Do not attempt to install any art of the appliance unless you have all the parts in good condition Make Sure That You Have Received All Parts Check your packing list to verify that all li...

Page 6: ...orative Type Unvented Room Heaters For use with Any ANSI Z21 11 2 Unvented Room Heaters MODEL Front Width Brick to Brick A Back Width Back to Brick B Hearth Depth C VFLB32 29 5 749 mm 16 406 mm 17 432...

Page 7: ...36 VFLB 42 A 32 36 42 B 30 30 30 C 37 41 47 D 3 3 3 E 38 38 38 F 40 15 40 15 40 15 G 11 35 11 35 11 35 H 20 20 20 J 5 5 5 K 22 26 32 L 21 5 21 5 21 5 M 62 5 66 5 72 5 N 31 25 33 25 36 25 P 44 47 51 2...

Page 8: ...d licensed plumber Main gas supply must be off when plumbing gas line to fireplace or performing service Consult all local codes All gas piping must be installed to comply with local codes or in the a...

Page 9: ...ure natural gas pressure is regulated 10 5 w c maximum before operating unit Drafts Do not locate the fireplace in high traffic areas or areas exposed to high drafts and winds Locate the fireplace awa...

Page 10: ...Use of this mantel guard is required in order to reduce mantel heights as shown in figure 6 When the mantel guard is installed a combustible mantel piece may project 2 from the wall at 6 above the fi...

Page 11: ...Shim if necessary Step 4 Secure the Firebox Four 4 nailing flanges are supplied with the fireplace to level the box and secure firmly in place Bend the nailing flanges from the sides of the fireplace...

Page 12: ...mantles to rustic wood paneling stone or brick IT IS IMPORTANT THAT THE BLACK FACE OF THE FIREPLACE NOT BE COVERED WITH ANY TYPE OF COMBUSTIBLE MATERIAL Noncombustible facing materials such as marble...

Page 13: ...e sure the termination area has 100 square inches of ventilation opening to outside air The duct termination must be located so it does not compete for air flow with exhaust fans gas vent hoods or oth...

Page 14: ...ot provided 3 Slide the duct over the collar and attach the duct to the collar using the plastic tie straps or three 3 screws screws not provided Continue attaching the ducting together using three 3...

Page 15: ...or questions concerning prices and policies covering replacement parts Parts may be ordered through your Sure Heat distributor or dealer You will need the correct name part number and model number of...

Page 16: ...ability of fitness for the purpose and of all other obligations or liabilities Sure Heat Mfg Co does not assume for it any other obli gations or liabilities in connection with the sale or use of the a...

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