Sure Heat VFMP User Manual
SURE HEAT
Installation and Operating Instructions for
NATURAL & L.P. GAS
VENT FREE REMOTE CONTROLLED SYSTEM
Model: SCVFR18L, SCVFR18N, SCVFR24L, SCVFR24N, VFMR24NG
DANGER:
FAILURE TO FOLLOW THESE INSTRUCTIONS CAREFULLY AND WITHOUT ERROR, OR FAILURE TO HEED ANY
AND ALL WARNINGS IN THESE INSTRUCTIONS CAN RESULT IN AN EXPLOSION, FIRE OR THE PRODUCTION
OF CARBON MONOXIDE GAS WHICH CAN CAUSE PROPERTY DAMAGE, BODILY INJURY OR DEATH.
Sure Heat
Manufacturing
1861 West Oak Parkway
Marietta, GA 30062
Tel: (770) 422-8008
Fax: (770) 424-3842
NOTE: THIS UNIT CANNOT BE CONVERTED TO DIFFERENT GAS TYPES.
- Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any
other appliance.
- WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance
• Do not touch any electrical switch.
• Do not touch any telephone in your building.
• Immediately call your gas supplier from a neighbor's telephone.
• Follow the gas suppliers instructions.
• If you cannot reach your gas supplier, call the fire department.
- Installation and service must be performed by a qualified installer, service agency or the
gas supplier.
THIS APPLIANCE IS ONLY FOR USE WITH THE TYPE OF GAS INDICATED ON THE RATING LABEL ATTACHED TO THE
APPLIANCE. THIS APPLIANCE IS NOT CONVERTIBLE FOR USE WITH OTHER GASES. THIS UNIT IS CONSTRUCTED IN
ACCORDANCE WITH ANSI Z21.11.2B-2004.
WARNING: If the information in this manual is not followed exactly, a fire or explosion may
result causing property damage, personal injury or loss of life.
This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is
installed. Provisions for adequate combustion and ventilation air must be provided.
THIS APPLIANCE MAY BE INSTALLED IN AN AFTERMARKET MANUFACTURED (MOBILE) HOME, WHERE NOT PROHIBITED
BY STATE OR LOCAL CODES. INSTALL ONLY IN A SOLID-FUEL BURNING FIREPLACE OR APPROVED VENTLESS FIREBOX
ENCLOSURE (MANUFACTURED UNVENTED FIREPLACE) AS SPECIFIED BY THESE INSTRUCTIONS.
* AFTERMARKET: COMPLETION OF SALE, NOT FOR PURPOSE OF RESALE, FROM THE MANUFACTURER.
This appliance is designed as an unvented room heater when installed in a non-combustible fireplace with the flue
damper closed.
This appliance may be used as a heating appliance only if unvented heating appliances are permitted by local state and
city codes. If unvented heaters are not permitted, then the fireplace vent damper must be locked at the minimum vent
area required by local codes, or in the absence of local codes, by the latest edition of the National Fuel Gas Code (ANSI
Z223.1 or latest edition).
This installation manual contains valuable safety instructions and installation procedures that should be understood
before installation of the unit. The owner of this appliance should keep this instruction manual to refer to in the future. It
is the installer's responsibility to instruct the owner of this unit in the proper use and maintenance of this appliance.
DANGER: THIS APPLIANCE, AS ANY GAS-FIRED APPLIANCE, CAN PRODUCE POISONOUS CARBON
MONOXIDE ALONG WITH OTHER COMBUSTION PRODUCTS. CARBON MONOXIDE, IN STRONG
CONCENTRATIONS, CAN CAUSE SICKNESS, SERIOUS PERSONAL INJURY AND DEATH.
GASEOUS FUELS ARE HIGHLY EXPLOSIVE IN CERTAIN CONCENTRATIONS AND ARE VERY FLAMMABLE. ANY
GAS LEAKS IN THE PLUMBING SUPPLYING GAS TO THIS APPLIANCE CAN LEAD TO FIRE OR EXPLOSION.
WHEN PROPERLY INSTALLED, USED AND MAINTAINED, THIS APPLIANCE SHOULD NOT PRODUCE
CARBON MONOXIDE IN DANGEROUS QUANTITIES. HOWEVER, SINCE CARBON MONOXIDE CAN BE DEADLY
POISONOUS, THE INSTALLER AND ALL USERS OF THIS APPLIANCE SHOULD READ AND FOLLOW THESE
INSTRUCTIONS CAREFULLY.
BTU Information
Opening Front Rear Fireplace Natural Gas L.P. Gas
Set Size Height Width Width Depth Max. Min. Max. Min.
18" 18" 22" 18" 12" 34,000 22,000 34,000 22,000
24" 18" 28" 20" 15" 40,000 22,000 40,000 22,000
Sufficient space must be provided around this appliance to provide air for combustion and ventilation. Any alterations to
this unit or its controls may be hazardous.
Do not install this heater in bedrooms or bathrooms, or campers.
These instructions should be studied carefully before the installation and operation of this unit.
The installation must conform with local codes or, in the absence of local codes, with the National Fuel gas Code ANSI
Z223.1, latest edition.
The installation and repair of this unit should be conducted by a licensed or qualified service person.
WARNING: This appliance is only for installation in a solid fuel burning fireplace made of non-combustible materials or
approved ventless firebox enclosure.
This appliance must be kept clear from combustible materials, gasoline or other flammable vapors and liquids.
Solid fuels should not be burned in a fireplace where an unvented room heater is installed.
Keep burner and control compartment clean. See Installation and Operating Instructions accompanying heater.
Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.
Children should be supervised when they are in the same room with the appliance.
All people should be notified of the high surface temperatures of the system to avoid burns or clothing ignition.
This system should be inspected upon installation and annually by a professional service person. It is necessary to keep
controls, burner and air passageways clear of any debris.
Do not place any combustible material on or around the appliance.
FIREPLACE SIZING GUIDE AND BTU INFORMATION
IMPORTANT INFORMATION
Page 2
Do not use this appliance if any part has been submerged under water. Immediately call a qualified service technician to
inspect the appliance and to replace any part of the control system and any gas control which has been under water.
This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and
ventilation air. The National Fuel Gas Code defines a confined space as a space whose volume is less than 50 cubic
feet per 1,000 BTU per hour (4.8m3per kw) of the aggregate input rating of all appliances installed in that space and an
unconfined space as a space whose volume is not less that 50 cubic feet per 1,000 BTU per hour (4.8m3per kw) of the
aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which
the appliances are installed, through openings not furnished with doors, are considered a part of the unconfined space.
WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space
provide adequate combustion and ventilation air by one of the methods described in the National Fuel
Gas Code, ANSI Z223.1, 1992, Section 5.3
This appliance is equipped with an ODS (oxygen depletion sensor) pilot light safety system that turns off the appliance
if enough fresh air is not available. Additional ventilation is obtained by opening a door to another room or opening
a window.
Always ensure that there is proper ventilation from the area the system is operating in.
Any outside air ducts and/or ash dumps in the fireplace shall be permanently closed at time of appliance installation.
This appliance must be used with glass doors in the OPEN position.
A fireplace screen with an opening for combustion air must be in place when the appliance is operating, unless other
provisions for combustion air are provided.
IMPORTANT: During the manufacturing process this appliance is treated with certain coloring agents. These
agents are not harmful, but may produce annoying smoke and smell as they are burned off.
This is a temporary occurrence that ceases after 4 to 6 hours of use. During the "burning off"
period, provide ventilation by opening windows, doors and the chimney flue to allow odors to
dissipate. Any remaining odors will burn off with continued use.
WARNING: This appliance cannot be converted to a gas other than the type for which it was made at the factory.
Operation of this appliance on gases for which it is not equipped may be hazardous. See identification
plate for gas type designation.
Unpack the appliance carefully and inspect for missing parts or damages that may have occurred during shipping. If any
part of the appliance is missing or damaged, please notify Sure Heat Manufacturing at (800) 229-8647. An incomplete or
damaged appliance may be hazardous. DO NOT INSTALL A DAMAGED OR INCOMPLETE APPLIANCE.
The fireplace needs to be properly prepared before installing this fireplace unit.
1. Turn off gas supply to the fireplace.
2. Clean chimney and fireplace floor of any combustible material to limit the smell from the system.
WARNING: Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned
of soot, creosote, ashes and loose paint by a qualified chimney cleaner.
UNPACKING
FIREPLACE PREPARATION
IMPORTANT INFORMATION
Page 3
Check the type of gas that is supplied to your fireplace. Use only the gas type indicated on the heater's rating plate. If
the gas listed on the plate is not your type of gas supply, DO NOT INSTALL THE SYSTEM. Contact your dealer for the
proper model.
All gas piping must be installed to comply with local and national fuel gas codes. Do not use flexible hose unless it is
allowed by local codes. Compounds used on threaded joints of gas piping musts be resistant to the action of LP gas.
The gas supply line to the fireplace should not be less than 1/2" inside dimension.
The gas supply must be of sufficient size to provide a minimum natural gas pressure of 7 inches water column for natural
gas or 11 inches for L.P. gas. The maximum inlet gas pressure to the appliance must not exceed 10 inches for natural
gas and 13 inches for L.P. gas. If this appliance is to be supplied with L.P. gas the tank or bottle supplying the gas must
have a regulator that reduces gas pressure between 11 and 13 inches water column.
Include a manual shutoff valve and union in the line so the appliance may be disconnected for servicing. Provide a 1/8"
NPT plugged tapping for pressure gauge connection between shutoff valve and the appliance. Test for leaks using soap
and water solution after completing the connection. DO NOT USE OPEN FLAME!
WARNING: The appliance and its individual shutoff valve must be disconnected from the gas supply piping
system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5
kPa). The appliance must be isolated from the gas supply piping system by closing its individual
manual shutoff valve during any pressure testing of the gas supply piping system at test
test pressures equal to or less than 1/2 psig. Pressures in excess of 1/2 psig will cause damage
to the unit.
To guarantee safe installation into a noncombustible fireplace, certain space requirements must be fulfilled.
1. The clearance from the side of the unit to any combustible wall should not be less than 15 1/2 inches.
2. The clearance from the ceiling to the top of the fireplace opening should not be less than 42 inches.
3. The minimum clearance to combustible items in front of the heat is 36 inches.
4. For any fireplace in which this unit is installed, there are certain mantel clearance requirements that
must be met.
You must have non-combustible material(s) above the fireplace opening. Non-combustible materials (such
as slate, marble, tile, etc.) must be at least 1/2 inch thick. Some decorative fireplace surrounds (cultured
marble) may get discolored from the heat produced by the system. With sheet metal, you must have
non-combustible material behind it. If non-combustible material is less than 8" you must install fireplace canopy (Model AMG-100).
Minimum Mantel Clearance
MINIMUM
NON-COMBUSTIBLE
MATERIAL HEIGHT
DISTANCES TO
UNDERSIDE
OF MANTEL
TOP OF
FIREPLACE
OPENING
MINIMUM
NON-COMBUSTIBLE
MATERIAL
MANTEL
10”
8”
6”
2 1/2”
UNDERSIDE
OF MANTEL
12”8”20”
24”
27”
30”
14”
17”
18”
20”
24” / 21” MODEL
18” MODEL
DISTANCES TO
UNDERSIDE
OF MANTEL
TOP OF
FIREPLACE
OPENING
MINIMUM
NON-COMBUSTIBLE
MATERIAL
MANTEL
8”
6”
2 1/2”
UNDERSIDE
OF MANTEL
8”
MIN
12”
15”
20”
12”
18”
(CLEARANCES
FOR ALL
LOG SETS)
CANOPY
Minimum Mantel Clearance with Canopy
FIREPLACE CLEARANCES
GAS PIPING AND GAS PRESSURE REQUIREMENTS
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