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TM
(VENT-FREE) NATURAL GAS STOVE HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Model (F)SVYD18N Series Variable Manual Control or Model (F)SVYD18NR Series
Remote-Ready Control Gas Log Heater (Burner System For Cast Iron Stoves)
Patent Pending
Amity™ Townsend™ Sheraton™
WARNING: The SVYD18N(R) series vent-
WARNING: If the information in this
free gas log heater is only approved for use
manual is not followed exactly, a fire or
in the SCIVF(*) series, PSCIVF(*) series, or
explosion may result c
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER VSCIVF(*) series cast iron stove mod- SAFETY WARNING: Do not use a els. Use only FSVYD18N(R) series blower insert, heat exchanger INFORMATION vent-free gas log heater for FC(*) and insert or other accessory not ap- PFC(*) series cast iron stove models. proved for use with this heater. WARNING ICON G 001 WARNINGS 5. Do not add extra logs or ornaments such as pine cones, vermiculite, or rock IMPORTANT: Read this owner’s Due to high temperature
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L I P F F O HI LO OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES OPERATION This heater is clean burning. It requires no outside venting. There is no heat loss out a Stove Body vent or up a chimney. Heat is generated by realistic, dancing yellow flames. This heater is designed for vent-free operation. State and local codes in some areas prohibit the use of vent-free heaters. One Piece SAFETY PILOT Log Set Inside This heater has a pilot with an Oxygen Stove Depletion Sensing (ODS) safety s
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code ANSI Z223.1/ COMBUSTION AND NFPA 54 defines a confined space as a The following are excerpts from Na- VENTILATION space whose volume is less than 50 cubic tional Fuel Gas Code, ANSI Z223.1/ 3 feet per 1,000 Btu per hour (4.8 m per kw) NFPA 54, Section 5.3, Air for Combus- of the aggregate input rating of all appli- tion and Ventilation. WARNING: T
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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 = ____________________
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued Ventilation Ventilation Grills Grills VENTILATION AIR Into Adjoining Room, Into Adjoining Or Ventilation Air From Inside Option 2 Room, Remove Building Option 1 Door into This fresh air would come from an adjoining Adjoining unconfined space. When ventilating to an Room, adjoining unconfined space, you must pro- Option vide two permanent openings: one within 3 12" of the ceiling and one with
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OWNER’S MANUAL IMPORTANT: Vent-free heaters add mois- Carefully follow the instructions below. This INSTALLATION ture to the air. Although this is beneficial, stove is a freestanding unit designed to set installing heater in rooms without enough directly on the floor. IMPORTANT: You NOTICE: This heater is intended ventilation air may cause mildew to form must maintain minimum wall and ceiling for use as supplemental heat. Use from too much moisture. See Air for Com- clearances during installatio
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER INSTALLATION Continued Bolt STOVE CAVITY ASSEMBLY 1. Lift off corrugated box enclosing stove body crating. 2. Remove all screws fastening the wood frame enclosure. Spread wood frame open and lift away from plastic- Product Back Stove Panel bagged stove body. The bottom pieces Identification Label of pallet wood will remain bolted to Figure 5 - Removing Back Panel the stove body. 3. Remove plastic bag from stove body. Top of Stove Unit 4. Remo
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OWNER’S MANUAL Door Hinge Step Door Catch Bolt INSTALLATION Bolt Hole With Adjustable Front Continued Hex Nuts Hole Amity™ and Townsend™ Models Leg Leg Hole 8. Fasten each leg to stove with four (4) Hole M8 x 1.25 - 20mm bolts. Use a flat washer and lock washer with each bolt. Bottom Of Tighten bolts into threaded holes on Stove Stove Unit stove body (see Figures 8 and 9). Use Bottom Hole an adjustable wrench or a 12mm socket. Leg Leg 9. Fasten stove bottom to stove with four Hole Hole (4) M6 x
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER INSTALLATION Continued Stove 10. Attach stove door by inserting step bolt Stove Door Door through door hinge pivot hole and into threaded hole in stove body (see Fig- Bolt Threaded ures 8 and 13). Use an adjustable Shoulder Hole wrench or a 12mm socket to fasten step bolt. Tighten step bolt until snug. Make Door Door sure door moves freely. Hinge Hinge 11. Install door catch bolt (M8 x 1.25- 55mm with two M8 hex nuts) into threaded hole on st
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L I P F F O L O OWNER’S MANUAL 7. Fasten heater base to stove bottom with Heater INSTALLATION #10-24 x .50 bolts and hex nuts pro- Base Bolt Continued vided with gas log heater (see Figure 16). Attachment hardware is factory CAUTION: Do not remove the packed inside plastic bag with installa- data plates attached to the heater tion manual and owner’s registration base assembly. The data plates card. Push bolt through heater base Stove contain important warranty and mounting hole and through stov
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER The gas inlet connection for the stove heater Installation must include a equipment shutoff INSTALLATION is located on the lower right-hand side of the valve, union, and plugged 1/8" NPT tap. Continued stove when viewed from the front of the Locate NPT tap within reach for test gauge unit. The gas connection can be made either hook up. NPT tap must be upstream from CONNECTING TO GAS through the bottom right side or through the heater (see Fig
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OWNER’S MANUAL 4. Check all joints of gas supply piping Pressure Testing Heater Gas INSTALLATION system. Apply a noncorrosive leak de- Connections Continued tection fluid to gas joints. Bubbles 1. Open equipment shutoff valve (see Fig- We recommend that you install a sediment forming show a leak. ure 22). trap in supply line as shown in Figures 20 5. Correct all leaks at once. 2. Open main gas valve located on or near and 21 on page 12. Locate sediment trap 6. Reconnect heater and equipment gas
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O L I P F F O H I L DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER 7. With control knob pressed in, press LIGHTING OPERATING and release ignitor button. This will INSTRUCTIONS HEATER light pilot. The pilot is attached to the front burner. If needed, keep press- SVYD18NR and FSVYD18NR FOR YOUR SAFETY ing ignitor button until pilot lights. Remote-Ready Models READ BEFORE Note: If pilot does not stay lit, con- LIGHTING NOTICE: During initial operation tact a qualified service person or gas o
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N O T O H L I I L OWNER’S MANUAL For wall thermostat operation, follow in- IMPORTANT: Do not leave the re- OPERATING struction supplied with thermostat acces- mote selector switch in the REMOTE HEATER sory GWMT1. For wall switch operation position when the pilot is not lit. This follow instructions supplied with GWMS2. will drain the battery. Continued IMPORTANT: Be sure to press the NOTICE: You must light the pilot ON/OFF buttons on the hand held TO TURN OFF GAS before using the hand-held re- r
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER 4. Wait five (5) minutes to clear out any 7. Keep control knob pressed in for 30 OPERATING gas. Then smell for gas, including near seconds after lighting pilot. After 30 HEATER the floor. If you smell gas, STOP! Fol- seconds, release control knob. low “B” in the safety information on Continued Note: If pilot goes out, repeat steps page 14, column 1 . If you don’t smell 3 through 7. gas, go to the next step. • If control knob does not pop out
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OWNER’S MANUAL PILOT FLAME PATTERN OPERATING INSPECTING (Variable-Manual Control Models) HEATER BURNERS Figure 32 shows a correct pilot flame pattern. Continued Check pilot flame pattern and burner flame Figure 33 shows an incorrect pilot flame patterns often. pattern. The incorrect pilot flame is not heat- MANUAL LIGHTING ing the thermocouple. This will cause the PROCEDURE PILOT FLAME PATTERN thermocouple to cool. When the thermo- (Remote-Ready Models) 1. Follow steps 1 through 5 under Light- c
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER 4. Check the injector holder located at the LOGS CLEANING AND end of the burner tube again. Remove • If you remove logs for cleaning, refer to MAINTENANCE any large particles of dust, dirt, lint, or Installing Gas Log Heater into Stove, pet hair with a soft cloth or vacuum page 11, to properly replace logs. cleaner nozzle. WARNING: Turn off heater • Replace log(s) if broken or chipped 5. Blow air into the primary air holes on and let cool be
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, Note: For additional help, visit DESA and let cool before servicing. Only needle, or similar object to clean International’s technical service web site a qualified service person should ODS/pilot. This can damage ODS/ at www.desatech.com. service and repair heater. pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed,
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DESA INTERNATIONAL VENT-FREE NATURAL GAS STOVE HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Delayed ignition burner 1. Manifold pressure is too low 1. Contact local natural gas company 2. Burner orifice clogged 2. Clean burner (see Cleaning and Mainte- nance, page 18) or replace burner orifice Burner backfiring during combustion 1. Burner orifice is clogged or damaged 1. Clean burner (see Cleaning and Mainte- nance, page 18) or replace burner orifice 2. Damaged burner
