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UNVENTED (VENT FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
WARNING: If the information in this manual is not fol-
lowed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and 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 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.
— 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.
For more information, visit www.desatech.com
VFRMV18NA, VFRMV18PA
VFRMV24NA, VFRMV24PA
Vent-free Models Also Design-Certified
As Vented Decorative Appliances
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Related Manuals for Firewerks VFRMV18NA
Summary of Contents for Firewerks VFRMV18NA
- Page 1 UNVENTED (VENT FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA Vent-free Models Also Design-Certified As Vented Decorative Appliances WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
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Page 2: Table Of Contents
TAbLE OF CONTENTS Safety Information .......... Cleaning and Maintenance ........ 0 Product Identification ........... 5 Wiring Diagram ..........1 Local Codes............5 Troubleshooting .......... Unpacking............5 Specifications ............ 6 Optional Remote Control Accessories ....5 Replacement Parts ..........6 Product Features .......... -
Page 3: Safety Information
SAFETy INFORMATION WARNING: Do not allow fans Continued to blow directly into the fireplace. IMPORTANT: Read this owner’s Avoid any drafts that alter burner manual carefully and completely flame patterns. Ceiling fans can before trying to assemble, op- create drafts that alter burner erate or service this log set. - Page 4 7. To prevent the creation of soot, follow the instruc- SAFETy INFORMATION tions in Cleaning and Maintenance, page 20. Continued 8. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If Keep the appliance area clear heated, the vapors from these products may and free from combustible ma- create a white powder residue within the burner...
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Page 5: Product Identification
PRODUCT UNPACkING IDENTIFICATION CAUTION: Do not remove the data plates from the grate as- sembly. The data plates contain Log Set important warranty and safety information. 1. Remove log set assembly from carton. Note: Do not pick up assembly by logs. This could damage the unit. -
Page 6: Air For Combustion And Ventilation
AIR FOR COMbUSTION Unusually tight construction is defined as construction where: AND VENTILATION a. Walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This heater shall water vapor retarder with a rating of one perm (6 x 10-11 kg per pa-sec-m2) not be installed in confined or less with openings gasketed or space or unusually tight con-... - Page 7 The space in the previous example is a confined AIR FOR COMbUSTION space because the actual Btu/Hr used is more than AND VENTILATION the maximum Btu/Hr the space can support. You Continued must provide additional fresh air. Your options are as follows: 1.
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Page 8: Installation
AIR FOR COMbUSTION INSTALLATION AND VENTILATION NOTICE: This heater is intended Continued for use as supplemental heat. Use this heater along with your primary heating system. Do not 12" install this heater as your primary Ventilation heating source. If you have a Ventilation Grills Grills Into Into Adjoining Room,... - Page 9 INSTALLATION WARNING: This appliance Continued is equipped for (natural or pro- pane/LP) gas. Field conversion WARNING: Seal any fresh is not permitted. air vents or ash clean-out doors located on floor or wall of fire- INSTALLATION AND CLEARANCES place. If not, drafting may cause FOR VENT-FREE OPERATION pilot outage or sooting.
- Page 10 INSTALLATION Noncombustible Requirements for Continued Material Distance (A) Safe Installation 1" or more N o n c o m b u s t i b l e material OK. Between 8" and 1" 4" Models: Example Install fireplace hood accessory (GA6050, GA605, GA605, see Accessories, page 6).
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Page 11: Mantel Clearances
INSTALLATION NOTICE: Surface temperatures Continued of adjacent walls and mantels be- MANTEL CLEARANCES come hot during operation. Walls In addition to meeting noncombustible material and mantels above the firebox clearances, you must also meet required clearances may become hot to the touch. between fireplace opening and mantel shelf. - Page 12 See chart below for minimum permanent flue INSTALLATION opening you must provide. Attach damper clamp Continued so the minimum permanent flue opening will be maintained at all times. INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED AREA OF VARIOUS STANDARD OPERATION ROUND FLUES Note: When used as a vented decorative, appliance must be installed only in a solid-fuel burning Diameter...
- Page 13 INSTALLATION Installation Items Needed Before installing heater, make sure you have the Continued items listed below. Note: Install optional GHRCTB Receiver and • external regulator (supplied by installer) Hand-Held Remote Control Kit (see Accessories, • piping (check local codes) page 26) before installing gas log heater. See in- •...
- Page 14 INSTALLATION CAUTION: Avoid damage to Continued gas control. Hold gas control Installation must include an equipment shutoff with wrench when connecting it valve, union and plugged 1/8" NPT tap. Locate NPT to gas piping and/or fittings. tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 13).
- Page 15 INSTALLATION Equipment Propane/LP Shutoff Valve Supply Tank Continued PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment Control Valve shutoff valve from gas supply piping system. Location Pressures in excess of 1/2 psig will damage heater regulator.
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Page 16: Operating Heater
OPERATING HEATER LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING • If fireplace has glass doors, WARNING: If you do not fol- never operate this heater with low these instructions exactly, glass doors closed. If you op- a fire or explosion may result erate heater with doors closed, causing property damage, per- heat buildup inside fireplace... - Page 17 9. Slightly push in and turn control knob coun- OPERATING HEATER terclockwise to the ON position. Continued 10. Wait one minute and switch selector switch to the ON position to light burners. Note: WARNING: Burners will AUTO is only functional when using come on automatically within GWMT1 or GWMS2 optional accessories.
- Page 18 OPERATING HEATER ON/OFF SERIES (MODEL HRC100) Hold the control button on the hand-held Continued remote until burner turns on. Hold the con- MANUAL LIGHTING trol button again until burner turns off (see Figure 20). PROCEDURE 1. Follow steps 1 through 6 under Lighting To Lock press both buttons on hand-held Instructions, page 16.
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Page 19: Inspecting Burners
OPERATING HEATER Key Pad Lock Feature This feature allows the user to lock/unlock Continued the keypad on the hand-held remote in the Note: Do not leave the hand-held remote in MANU or AUTO mode to prevent inadvertent the AUTO mode close to the fireplace. The operation (i.e. -
Page 20: Cleaning And Maintenance
INSPECTING bURNERS CLEANING AND Continued MAINTENANCE BURNER FLAME PATTERN WARNING: Turn off heater Figure 24 shows correct burner flame pattern. and let cool before cleaning. NOTICE: Do not mistake orange flames with yellow tipping. Dirt CAUTION: You must keep or other fine particles are burned control areas, burners and by heater, causing brief patches circulating air passageways... -
Page 21: Wiring Diagram
CLEANING AND Pilot Air Inlet Hole MAINTENANCE Continued 1. Shut off the unit, including the pilot. Allow Pilot Assembly the unit to cool for at least thirty minutes. Propane/LP 2. Inspect burner, pilot and primary air inlet opening on injector holder for dust and dirt Pilot Air (see Figure 26). -
Page 22: Troubleshooting
TROUbLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY... - Page 23 TROUbLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame goes 1. Control knob not fully pressed in 1. Press in control knob fully out when control knob is re- 2. Control knob not pressed in 2. After ODS/pilot lights, keep con- leased long enough trol knob pressed in 30 seconds...
- Page 24 TROUbLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Orange flame in burner during 1. Not enough air 1. Check burner(s) for dirt burner combustion and debris. If found, clean burner(s) (see Cleaning and Maintenance, page 20) 2. Gas regulator defective 2. Replace gas regulator Slight smoke or odor during initial 1.
- Page 25 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. Fol- low the gas supplier’s instructions.
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Page 26: Replacement Parts
SPECIFICATIONS VFRMV18NA VFRMV24NA VFRMV18PA VFRMV24PA Btu (Variable) 24,000/36,000 28,000/39,000 26,000/34,000 31,000/39,000 Type Gas Natural Gas Only Natural Gas Only Propane/LP Only Propane/LP Only Ignition Piezo Piezo Piezo Piezo Manifold Pressure 3.5" - 1.6"W.C. 3.5" - 1.6"W.C. 10" - 6.3"W.C. 10" - 6.3"W.C. - Page 27 ACCESSORIES FB36CA, FB42C SERIES Continued (CIRCULATING), FB36NCA, FB42NC SERIES (NON-CIRCULATING) (Not Shown) For all models. DAMPER CLAMP - GA6080 (Not Shown) RECEIVER AND HAND-HELD For all models. Permanently opens chimney flue THERMOSTAT REMOTE CONTROL damper for vented operation. KIT - HRC200 For all models.
- Page 28 ILLUSTRATED PARTS bREAkDOWN VFRMV18NA, VFRMV18PA VFRMV24NA (Shown), VFRMV24PA www.desatech.com 114745-01D...
- Page 29 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. PART NUMBER VFRMV18NA VFRMV24NA VFRMV18PA VFRMV24PA DESCRIPTION QTY. 114854-01 114790-01 114854-01 114790-01 Grate Assembly...
- Page 30 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 114745-01D...
- Page 31 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 114745-01D www.desatech.com...
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Page 32: Warranty Information
WARRANTy INFORMATION kEEP THIS WARRANTy Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty.
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