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UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE
OWNER’S OPERATION AND INSTALLATION MANUAL
VFP18MV
VFP24MV
VFP30MV
LO
PILOT
OFF
HI
Variable Manually-
Controlled
™
EMBER MASTER
WARNING: Improper installation, adjust-
WARNING: If the information in this manual
ment, alteration, service, or maintenance
is not followed exactly, a fire or explosion
can cause injury or property damage.
may result causing property damage, per-
Refer to this manual fo
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER 5. Before installing in a solid fuel burn- SAFETY Due to high temperatures, the ing fireplace, the chimney flue and fire- appliance should be located out INFORMATION box must be cleaned of soot, creosote, of traffic and away from furniture ashes, and loose paint by a qualified and draperies. chimney cleaner. Creosote will ignite WARNINGS if highly heated. Inspect chimney flue Do not place clothing or other IMPORTANT: Read this own
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OWNER’S MANUAL SAFETY LOCAL CODES UNPACKING Install and use heater with care. Follow all INFORMATION CAUTION: Do not remove the local codes. In the absence of local codes, use Continued metal data plates attached to the the latest edition of The National Fuel Gas heater base assembly. The data Code, ANS Z223.1, also known as NFPA 54*. 14. Do not operate heater if any log is bro- plates contain important warranty ken. Do not operate heater if a log is *Available from: information. chipped (dime-
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code, ANS Z223.1 COMBUSTION AND defines a confined space as a space whose The following are excerpts from National VENTILATION volume is less than 50 cubic feet per 1,000 Fuel Gas Code, NFPA 54/ANS Z223.1, Sec- 3 Btu per hour (4.8 m per kw) of the aggre- tion 5.3, Air for Combustion and Ventilation. gate input rating of all appliances installe
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet 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. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _____________ cu. ft.
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills Into Adjoining Room, Into Adjoining VENTILATION AIR Or Option 2 Room, Remove Option 1 Ventilation Air From Inside Door into Building Adjoining Room, This fresh air would come from an adjoining Option unconfined space. When ventilating to an 3 adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling an
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OWNER’S MANUAL INSTALLATION LOG SIZING REQUIREMENTS WARNING: Never install the heater Minimum Firebox Size NOTICE: This heater is intended • in a bedroom or bathroom un- Log Front Rear* for use as supplemental heat. Use less installed as a vented ap- Size Height Depth Width Width this heater along with your pri- pliance, see page 10 18" 17" 14" 20" 14" mary heating system. Do not in- • in a recreational vehicle stall this heater as your primary 24" 17" 14" 26" 18" • where curtains, furniture, h
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER If Using Mantel IMPORTANT: If you cannot meet these INSTALLATION minimum clearances, you must operate You must have noncombustible material(s) Continued heater with chimney flue damper open. Go above the fireplace opening. Noncombus- to Installing Damper Clamp Accessory for tible materials (such as slate, marble, tile, NOTICE: Manual control heaters Vented Operation, page 10. etc.) must be at least 1/2 inch thick. With may be used a
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OWNER’S MANUAL Mantel Shelf INSTALLATION 10" Underside of Continued 8" Mantel Shelf 6" MANTEL CLEARANCES 1 2 /2" In addition to meeting noncombustible mate- rial clearances, you must also meet required All minimum clearances between fireplace opening and distances are in inches mantel shelf. If you do not meet the clear- Minimum Non- ances listed below, you will need a hood. (A) Combustible Log Set Material 12" 18" 20" 22" 24" 24" Models 24" and 30" Models Determining Minimum Mantel Clearance
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER Damper Damper INSTALLATION Clamp Clamp Continued INSTALLING DAMPER CLAMP ACCESSORY FOR Damper Damper VENTED OPERATION Damper Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. Masonry Fireplace Manufactured Fireplace If your heater is a manually-controlled Figure 10 - Attaching Damper Clamp model, you may use this he
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OWNER’S MANUAL Installation must include an equipment Installation Items Needed INSTALLATION shutoff valve, union, and plugged 1/8" NPT Before installing heater, make sure you have Continued tap. Locate NPT tap within reach for test the items listed below. gauge hook up. NPT tap must be upstream Heater Gas • external regulator (supplied by installer, from heater (see Figure 14). Regulator see below) IMPORTANT: Install an equipment shutoff • piping (check local codes) valve in an accessible locat
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG (3.5 kPa) Connections Continued 1. Close equipment shutoff valve (see Fig- 1. Open equipment shutoff valve (see ure 15). Figure 15). CHECKING GAS 2. Pressurize supply piping system by ei- 2. Open propane/LP supply tank valve. CONNECTIONS ther using compressed air or opening 3. Make sure control knob of heater is in propane/LP supply tank valve. W
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OWNER’S MANUAL Peg Rear Log (#3) INSTALLATION Front Log (#1) Continued Groove Groove in in Back Back of Log INSTALLING LOGS Notch of Log Grate Prong WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in prop- Grate erty damage or personal injury. Prong Grate Each log is marked with a number. These Prongs numbers will help you identify the log when installing. It is very important to install th
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER 4. Wait five (5) minutes to clear out any LIGHTING OPERATING gas. Then smell for gas, including INSTRUCTIONS near the floor. If you smell gas, HEATER STOP! Follow “B” in the safety in- WARNING: formation, column 1. If you don’t FOR YOUR SAFETY • If fireplace has glass doors, smell gas, go to the next step. never operate this heater with READ BEFORE 5. Press in control knob and turn coun- glass doors closed. If you op- LIGHTING terc
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OWNER’S MANUAL FRONT BURNER FLAME OPERATING INSPECTING PATTERN HEATER BURNERS Figure 26 shows correct front burner flame Continued Check pilot flame pattern and burner flame pattern. Figure 27 shows incorrect front patterns often. burner flame pattern. The incorrect burner VARIABLE CONTROL flame pattern shows yellow tipping at top of OPERATION PILOT FLAME PATTERN blue flame. The variable control valve can be set to Figure 24 shows a correct pilot flame pat- any heat setting and flame height desi
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER 1. Shut off the unit, including the pilot. Clean the pilot assembly also. A yellow tip CLEANING AND Allow the unit to cool for at least thirty on the pilot flame indicates dust and dirt in MAINTENANCE minutes. the pilot assembly. There is a small pilot air inlet hole about two inches from where the 2. Inspect burner, pilot, and primary air pilot flame comes out of the pilot assembly inlet holes on injector holder for dust WARNING:
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OWNER’S MANUAL TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off and un- needle, or similar object to clean plug heater and let cool before Note: For additional help, visit DESA ODS/pilot. This can damage ODS/ servicing. Only a qualified ser- International’s technical service web pilot unit. vice person should service and site at www.desatech.com. repair heater. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor butt
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or both burners do not light after ODS/ 1. Inlet gas pressure is too low 1. Contact local propane/LP gas company pilot is lit 2. Burner orifice(s) clogged 2. Clean burner(s) (see Cleaning and Main- tenance, page 16) or replace burner orifice(s) 3. Mislocated crossover tube 3. Contact qualified service person 4. Burner orifice(s) diameter is too small 4. Replace bur
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OWNER’S MANUAL TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette
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FIREPLACE MANUFACTURERS INC. UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED 4 5 PARTS BREAKDOWN VFP18MV VFP24MV VFP30MV 3 2 1L 26 26-1 26-2 20 1R 24 6-2 27 9 6-1 28 6 27 7 8 27 22 21 10 23 12 20 11 24 16 15 25 14 18 13 17 19 105071 20
