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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
Patent Pending
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.
— 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.
VARIAbLE MANUALLy-
CONTROLLED MODELS
HDVF3018P AND HDVF3018N
For more information, visit www.desatech.com
HI
PILOT
OFF
LO
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Related Manuals for Desa HDVF3018N
Summary of Contents for Desa HDVF3018N
- Page 1 — 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 PILOT VARIAbLE MANUALLy- CONTROLLED MODELS HDVF3018P AND HDVF3018N...
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Page 2: Table Of Contents
Safety Information ... 2 Local Codes... 4 Product Identification ... 5 Unpacking... 5 Product Features ... 5 Air for Combustion and Ventilation ... 5 Installation ... 8 Operating Heater ... 17 Inspecting Burners ... 19 WARNING: Improper in- stallation, adjustment, al- teration, service or main- tenance can cause in- jury or property damage. - Page 3 SAFETy INFORMATION Continued WARNING: This product con- tains and/or generates chemicals known to the state of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion,...
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Page 4: Local Codes
SAFETy INFORMATION Continued 4. 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. -
Page 5: Product Identification
PRODUCT IDENTIFICATION Log Set Piezo Ignitor Control Knob Base Grate Figure 1 - Vent-Free Gas Log Heater UNPACkING CAUTION: Do not remove the data plates from the grate as- sembly. The data plates contain important product information. 1. Remove logs and heater base assembly from carton. - Page 6 AIR FOR COMbUSTION AND VENTILATION Continued Exhaust fans, fireplaces, clothes dryers and fuel burning appliances draw air from the house to operate. You must provide adequate fresh air for these appliances. This will insure proper venting of vented fuel-burning appliances. pROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel...
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Page 7: Air For Combustion
AIR FOR COMbUSTION AND VENTILATION Continued Example: Gas water heater ____________ Btu/Hr Vent-free fireplace + ___________ Btu/Hr Total = ___________ Btu/Hr 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: 51,200 Btu/Hr (maximum the space can support) -
Page 8: Installation
INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heating system, you may run system’s circulating blower while using log heater. - Page 9 INSTALLATION Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall. MINIMUM FIREpLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall 18" 16" LOG SIzING REQUIREMENTS Minimum Firebox Size Height...
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Page 10: Mantel Clearances
INSTALLATION Continued If Using Mantel You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2" thick. With sheet metal, you must have non- combustible material behind it. Noncombustible material must extend at least 8"... - Page 11 INSTALLATION Continued NOTICE: If your installation does not meet the minimum clear- ances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an accept- able height •...
- Page 12 INSTALLATION Continued See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times. Chimney Minimum permanent Height Flue Opening 6' to 15' 9 sq. inches 15' to 0' 29 sq.
- Page 13 INSTALLATION Continued Figure 12 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model CONNECTING TO GAS SUppLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualified ser- vice person must connect heater to gas supply.
- Page 14 INSTALLATION Continued Installation must include an equipment shutoff valve, union and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 14). IMPORTANT: Install equipment valve in an acces- sible location.
- Page 15 INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 15). 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air.
- Page 16 INSTALLATION Continued 3. Locate pins on bottom of back log (#3). Slide these pins into holes in grate base behind burner (see Figure 20). 4. Locate holes on bottom of right crossover log (#4). Slide holes onto right pin on middle log (#2) and right pin on back log (#3).
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Page 17: Operating Heater
OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 18 OPERATING HEATER Continued 5. Slightly press and turn control knob coun- terclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 22). Note: You may be running this heater for the first time after hooking up to gas sup- ply.
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Page 19: Inspecting Burners
INSPECTING bURNERS Check pilot flame pattern and burner flame pat- terns often. pILOT FLAME pATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pattern. The incor- rect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. - Page 20 CLEANING AND MAINTENANCE Continued 1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. 2. Inspect burner, pilot and primary air inlet holes on injector holder for dust and dirt (see Figure 26). 3.
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Page 21: Troubleshooting
WARNING: Turn off 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 When ignitor button is pressed, there is no spark at ODS/pilot... - Page 22 OBSERVED pROBLEM Burner does light after ODS/ pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Heater produces a clicking/tick-...
- Page 23 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 24: Specifications
Heating Products’ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. You can also visit DESA Heating Products’ techni- cal service web site at www.desatech.com. SERVICE HINTS When Gas pressure Is Too Low •... -
Page 25: Accessories
ACCESSORIES Purchase these fireplace accessories from your lo- cal dealer. If they can not supply these accessories, call DESA Heating Products’ Sales Department at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. -
Page 26: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS bREAkDOWN VARIABLE MANUALLY-CONTROLLED MODELS HDVF3018P AND HDVF3018N www.desatech.com 119421-01A... -
Page 27: Parts List
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. PART NO. DESCRIpTION 119420-01 Front Log (#1) 119420-02 Middle Log (#2) 119420-0 Back Log (#) 119420-06 Right Crossover Log (#4) 119420-05 Middle Crossover Log (#5) 119420-04 Left Back Crossover Log (#6) -
Page 28: Warranty Information
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.