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VENT-FREE NATURAL GAS
®
RADIANT FLAME HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
RFN30T
15,000 to 30,000 Btu/
Shown with
Hr with Thermostat
Optional Mantel
featuring Built-in
Base
WARNING: Improper installa-
WARNING: If the information in this manual
tion, adjustment, alteration, ser-
is not followed exactly, a fire or explosion
vice, or maintenance can cause
may result causing property damage, per-
injury or property damage. Re-
sonal injury, or loss of life.
fer to this manual for correc
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER 4. This heater needs fresh, outside air ven- SAFETY WARNING: Do not use a tilation to run properly. This heater has blower insert, heat exchanger INFORMATION an Oxygen Depletion Sensing (ODS) insert, or other accessory not safety shutoff system. The ODS shuts approved for use with this heater. down the heater if not enough fresh air WARNINGS is available. See Air for Combustion and Ventilation, pages 5 through 7. IMPORTANT: Read this owner’
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER Piezo Ignitor ASSEMBLY ASSEMBLING HEATER Ignitor Cable Tools Required: • Phillips screwdriver • 5/16" hex wrench • slotted screwdriver Removing Front Panel Of Heater 1. Remove two screws near bottom cor- ners of front panel with Phillips screw- Figure 3 - Attaching Ignitor Cable to Piezo Figure 2 - Removing Front Panel of Heater driver. Ignitor 2. Pull bottom of front panel forward, then Heater Cabinet Log down (see Figure 2). Deflector Insta
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OWNER’S MANUAL Unusually tight construction is de- ASSEMBLY AIR FOR fined as construction where: Continued COMBUSTION AND a. walls and ceilings exposed to the outside atmosphere have a con- Assembling and Attaching VENTILATION tinuous water vapor retarder with Brass Trim -11 a rating of one perm (6 x 10 kg 1. Remove packaging from remaining 2 WARNING: This heater shall per pa-sec-m ) or less with open- three pieces of brass trim. not be installed in a confined space ings gasketed or sealed and
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet 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
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OWNER’S MANUAL AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Grills Into Adjoining Room, Ventilation Option 2 Ventilation Air From Inside Grills Or Building into Adjoining Remove Room, Door into This fresh air would come from an adjoining Option 1 Adjoining Room, unconfined space. When ventilating to an Option 3 adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall con
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER IMPORTANT: Vent-free heaters add mois- LOCATING HEATER INSTALLATION ture to the air. Although this is beneficial, installing heater in rooms without enough WARNING: Maintain the mini- NOTICE: This heater is intended ventilation air may cause mildew to form mum clearances shown in Figure for use as supplemental heat. Use from too much moisture. See Air for Com- 10. If you can, provide greater this heater along with your pri- bustion and Venti
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OWNER’S MANUAL Marking Screw Locations INSTALLATION OPTIONS INSTALLATION 1. Tape mounting bracket to wall where Continued There are three options for mounting this heater will be located. Make sure heater. THERMOSTAT SENSING mounting bracket is level. A. Mounting heater to wall BULB B. Mounting heater to optional hearth base WARNING: Maintain minimum The thermostat sensing bulb has been placed C. Mounting heater with optional hearth clearances shown in Figure 13. If inside the heater for protec
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER 8. Tighten both screws until heater is INSTALLATION firmly secured to wall. Do not over Continued tighten. Note: Do not replace front panel at this Attaching Mounting Bracket To time. Replace front panel after making Wall gas connections and checking for leaks Figure 15 - Popping Open Anchor Wings Note: Wall anchors, mounting screws, and (see pages 12 and 13). For Thin Walls spacers are in hardware package. The hard- ware package is provided
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OWNER’S MANUAL Bottom of Heater C. MOUNTING HEATER WITH Shipping INSTALLATION Screw OPTIONAL HEARTH BASE (IF Base Continued APPLICABLE) TO OPTIONAL Securing Hearth Base to Floor MANTEL 1. Position hearth base in desired location. See Instructions Included With Mark holes for drilling (see Figure 18). Mantel Kit. Remove hearth base. Assembling Mantel 2. For carpeted floor, make a small cut with a sharp knife at marked locations before IMPORTANT: Only use the optional man- Mounting Holes drilling.
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER Installation must include a equipment shutoff We recommend that you install sediment INSTALLATION valve, union, and plugged 1/8" NPT tap. trap in supply line as shown in Figure 20, Continued Locate NPT tap within reach for test gauge below. Locate sediment trap where it is hook up. NPT tap must be upstream from within reach for cleaning. Install in piping CONNECTING TO GAS heater (see Figure 20). system between fuel supply and heater. SUPPLY
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OWNER’S MANUAL 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 Fig- CHECKING GAS ure 21). ure 21). CONNECTIONS 2. Pressurize supply piping system by either 2. Open main gas valve located on or near using compressed air or opening main gas gas meter. WARNING: Test all gas pip- valve located on or near gas meter. 3. Make sure control knob of heater
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PILOT OFF HI 15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER 7. Keep control knob pressed in for 30 LIGHTING OPERATING seconds after lighting pilot. After 30 INSTRUCTIONS HEATER seconds, release control knob. • If control knob does not pop up 1. STOP! Read the safety information, FOR YOUR SAFETY when released, contact a qualified column 1. READ BEFORE service person or gas supplier for 2. Make sure equipment shutoff valve repairs. LIGHTING is fully open. Note: If pilot goes out, repeat ste
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OWNER’S MANUAL BURNER FLAME PATTERN OPERATING INSPECTING Figure 27 shows a correct burner flame HEATER BURNER pattern. Figure 28 shows an incorrect burner Continued flame pattern. The incorrect burner flame Check pilot flame pattern and burner flame pattern often. pattern shows yellow tipping of the flame. It THERMOSTAT also shows the flame higher than one inch CONTROL PILOT FLAME PATTERN above the log. OPERATION Figure 25 shows a correct pilot flame pat- Note: When using the heater the first ti
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER 4. Check the injector holder located at the CLEANING AND REPLACEMENT end of the burner tube again. Remove MAINTENANCE any large particles of dust, dirt, lint, or PARTS pet hair with a soft cloth or vacuum Note: Use only original replacement parts. cleaner nozzle. WARNING: Turn off heater This will protect your warranty coverage 5. Blow air into the primary air holes on and let cool before cleaning. for parts replaced under warranty. the inje
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and un- CAUTION : Never use a wire, plug heater and let cool before needle, or similar object to clean Note: For additional help, visit DESA servicing. Only a qualified ser- ODS/pilot. This can damage ODS/ International’s technical service web site vice person should service and pilot unit. at www.desatech.com. repair heater. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor but
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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner (see Cleaning and Mainte- nance, page 16) or replace burner orifice 2. Burner orifice diameter is too small 2. Replace burner orifice 3. Inlet gas pressure is too low 3. Contact local natural gas company Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local natural gas
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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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15,000 TO 30,000 BTU/HR VENT-FREE NATURAL GAS HEATER These Parts Centrals are privately-owned businesses. They have agreed to support our PARTS CENTRALS customer’s needs by providing original replacement parts and accessories. Baltimore Electric Washer Equipment Co. Dayton Hardware 1348 Dixwell Avenue 1715 Main Street P.O. Box 275 Hamden, CT 06514-0322 Kansas City, MO 64108-2195 North Dayton Station 1-800-397-7553 KS, MO, AR Dayton, OH 45404-0275 203-248-7553 816-842-3911 All States Parts Depar
