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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
VARIAbLE MANUALLy-
CONTROLLED MODELS
HDVF3018P AND HDVF3018N
Also Design-Certified As Vented Decorative Appliances
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.
— 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
HI
PILOT
OFF
LO
Patent Pending
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Summary of Contents for Desa HDVF3018N
- Page 1 Patent Pending PILOT VARIAbLE MANUALLy- CONTROLLED MODELS HDVF3018P AND HDVF3018N Also Design-Certified As Vented Decorative Appliances 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.
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Page 2: Table Of Contents
TAbLE OF CONTENTS Safety ..............2 Cleaning and Maintenance ........ 19 Local Codes............4 Troubleshooting ..........21 Product Identification ........... 5 Specifications ............ 24 Unpacking............5 Replacement Parts ..........25 Product Features ..........5 Technical Service..........25 Air for Combustion and Ventilation ...... 5 Service Hints ............. - Page 3 SAFETy Continued IMPORTANT: Read this owner’s WARNING: Do not use a manual carefully and completely blower insert, heat exchanger before trying to assemble, insert or other accessory not ap- operate or service this heater. proved for use with this heater. Improper use of this heater can cause serious injury or death Due to high temperatures, the...
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Page 4: Local Codes
SAFETy Continued 3. To prevent performance problems, do Note: During initial operation, slight smok- ing could occur due to log curing and not use propane/LP fuel tank of less than heater burning manufacturing residues. 100 lb. capacity (propane/LP units only). 10. -
Page 5: Product Identification
The data plates contain to logs and heater for shipment. important product information. 3. Check heater for any shipping damage. If heater is damaged call DESA Heat- 1. Remove logs and heater base assembly ing, LLC at 1-866-672-6040 for replace- from carton. - Page 6 AIR FOR COMbUSTION AND VENTILATION Continued While it is good to make your home energy effi- 54 defines a confined space as a space whose cient, your home needs to breathe. Fresh air must volume is less than 50 cubic feet per 1,000 Btu/ enter your home.
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Page 7: Ventilation Air
AIR FOR COMbUSTION AND VENTILATION Continued * Do not include direct-vent gas appliances. two permanent openings: one within 12" of the Direct-vent draws combustion air from the ceiling and one within 12" of the floor on the outdoors and vents to the outdoors. wall connecting the two spaces (see options 1 Example: and 2, Figure 2). -
Page 8: Installation
INSTALLATION NOTICE: This heater is intended WARNING: Never install the for use as supplemental heat. heater Use this heater along with your • in a bedroom or bathroom primary heating system. Do not unless installed as a vented install this heater as your pri- appliance (see page 11) mary heat source. - Page 9 INSTALLATION Continued InSTALLATIOn AnD CLEARAnCES (Vent-Free Operation Only) Example WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall. MInIMUM FIREpLACE CLEARAnCE *Minimum 16" from Side Wall TO COMBUSTIBLE MATERIALS Figure 4 - Minimum Clearance for Side Wall 16", Ceiling 42"...
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Page 10: Mantel Clearances
INSTALLATION Continued MAnTEL CLEARAnCES If Using Mantel You must have noncombustible material(s) In addition to meeting noncombustible mate- above the fireplace opening. Noncombustible rial clearances, you must also meet required materials (such as slate, marble, tile, etc.) clearances between fireplace opening and must be at least 1/2"... - Page 11 INSTALLATION Continued NOTICE: If your installation does not meet the minimum clear- ances shown, you must do one of the following: Hearth Combustible • operate logs only with flue Material damper open 5" Min. • raise mantel to an acceptable height Figure 9 - Minimum Fireplace Clearances •...
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Page 12: Safety Information
INSTALLATION Continued If reasons number 1 or 2 apply to you, you WARNING: You must secure must permanently open chimney flue damper. You must install the damper clamp accessory this heater to fireplace floor. If (to order, see Accessories, page 25). This not, heater will move when you will insure vented operation (see Figure 10). - Page 13 INSTALLATION Continued 7. Mark screw locations through holes in Installation Items Needed mounting brackets (see Figure 12). If Before installing heater, make sure you have installing in a brick-bottom fireplace, mark the items listed below. screw locations in mortar joint of bricks. •...
- Page 14 INSTALLATION controls. If sediment trap is not installed or is installed wrong, heater may not run properly. Continued Installation must include an equipment shutoff CAUTION: Avoid damage to valve, union and plugged 1/8" NPT tap. Locate regulator. Hold gas regulator NPT tap within reach for test gauge hook up.
- Page 15 INSTALLATION pRESSURE TESTInG HEATER GAS COnnECTIOnS Continued 1. Open equipment shutoff valve (see Fig- Test Pressures Equal To or Less Than ure 15). 1/2 PSIG (3.5 kPa) 2. Open main gas valve located on or near 1. Close equipment shutoff valve (see Fig- gas meter for natural gas or open pro- ure 15).
- Page 16 INSTALLATION Continued 3. Locate pins on bottom of back log (#3). 6. Locate holes on bottom of left crossover Slide these pins into holes in grate base log (#6). Slide these holes onto left pins behind burner (see Figure 20). located on middle log (#2) and front log (#1).
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Page 17: Operation
OPERATION FOR YOUR SAFETY LIGHTInG READ BEFORE LIGHTING InSTRUCTIOnS WARNING: If you do not fol- WARnInG low these instructions exactly, • If fireplace has glass doors, a fire or explosion may result never operate this heater with causing property damage, per- glass doors closed. - Page 18 OPERATION Continued Ignitor 5. Slightly press and turn control knob coun- Pilot Burner Electrode 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 supply.
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Page 19: Inspecting Burners
INSPECTING bURNERS Pilot Burner Check pilot flame pattern and burner flame patterns often. pILOT FLAME pATTERn Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pat- tern. The incorrect pilot flame is not touching the thermocouple. - Page 20 CLEANING AND MAINTENANCE Continued Ports/ 1. Shut off unit, including pilot. Allow unit to Slots cool for at least thirty minutes. 2. Inspect burner, pilot and primary air inlet Burner holes on injector holder for dust and dirt Tube (see Figure 26). Pilot Assembly 3.
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Page 21: Troubleshooting
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 POSSIBLE CAUSE REMEDY... - Page 22 TROUbLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob pressed in is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep long enough control knob pressed in 30 seconds...
- Page 23 TROUbLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces a whistling 1. Turning control knob to HI 1. Turn control knob to LO or noise when burner is lit or position 5 when burner is position 1 and let warm up cold for a minute 2.
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Page 24: Specifications
2. Locate and correct all leaks statement above (see Checking Gas Con- nections, page 14) SPECIFICATIONS MODEL HDVF3018P MODEL HDVF3018N • Rating: 16,000/30,000 Btu/Hr • Rating: 16,000/30,000 Btu/Hr • Gas Type: Propane/LP • Gas Type: Natural • Ignition: Piezo • Ignition: Piezo •... -
Page 25: Replacement Parts
• heater will not produce specified heat serial numbers of your heater ready. • for propane/LP units, propane/LP gas sup- You can also visit DESA Heating, LLC’s web ply may be low site at www.desatech.com. You may feel your gas pressure is too low. If so, contact your local propane/LP or natural gas supplier. -
Page 26: Parts
PARTS VARIABLE MANUALLY-CONTROLLED MODELS HDVF3018P AND HDVF3018N www.desatech.com 119421-01E... - Page 27 PARTS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. PART NO. DESCRIpTIOn QTY. 119420-01 Front Log (#1) • • 119420-02 Middle Log (#2) •...
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Page 28: Warranty
This is DESA Heating, LLC’s exclusive warranty, and to the full extent allowed by law; this express warranty excludes any and all other warranties, express or implied, written or verbal and limits the duration of any and all implied warranties, including warranties of merchantability and fitness for a particular purpose to one (1) year on new products and 30 days on factory reconditioned products from the date of first purchase.