Desa FVFM27NR/PR - Manuals - manualsarea.com

Page 2 - UNVENTED GAS LOG HEATER; DANGER: Carbon monoxide; Carbon Monoxide Poisoning:; WARNINGS; WARNING: Any change to

2 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com SAFETYINFORMATION DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu,with headaches, dizziness, or nausea. If youhave these...

Page 3 - OWNER’S MANUAL; PRODUCT IDENTIFICATION; CAUTION: Do not remove the; OPERATION; Figure 1 - Product Identification; Control Knob

3 108382 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCT IDENTIFICATION LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of The National Fuel GasCode, ANSI Z223.1/NFPA 54*. *Available from: American National...

Page 4 - Unusually Tight Construction; per kw) of the aggregate input

4 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com PROVIDING ADEQUATEVENTILATION The following are excerpts from NationalFuel Gas Code, ANSI Z223.1/NFPA 54, Sec-tion 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the threefollowin...

Page 5 - DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space; Continued

5 108382 OWNER’S MANUAL For more information, visit www.desatech.com 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 h...

Page 6 - Ventilation Air From Outdoors; Do not provide openings for; Figure 3 - Ventilation Air from Outdoors

6 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com AIR FORCOMBUSTION ANDVENTILATION Continued VENTILATION AIR Ventilation Air From InsideBuilding This fresh air would come from an adjoiningunconfined space. When ventilating to anadjoining unconfined space, you ...

Page 7 - INSTALLATION; CHECK GAS TYPE; When installing your gas logs into; *Minimum 16 inches from Side Wall

7 108382 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION ANDCLEARANCES (Vent-Free Operation Only) WARNING: Maintain the mini- mum clearances. If you can, pro-vide greater clearances fromfloor, ceiling, and adjoining wall. WARNING: Never install the heater• in a bedroom or ba...

Page 8 - If Not Using Mantel; If using a mantel, proceed to If Using; Noncombustible; Noncombustible material OK.; Installing Damper; If you cannot meet these; If Using Mantel

8 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com INSTALLATION Continued Minimum NoncombustibleMaterial Clearances If Not Using Mantel Note: If using a mantel, proceed to If Using Mantel. If not using a mantel, follow theinformation below. You must have noncom...

Page 9 - A. If installing appliance on the floor level,; flue damper open; Figure 7 - Minimum Mantel Clearances When Using Hood; Hearth

9 108382 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible ma-terial clearances, you must also meet re-quired clearances between fireplace open-ings and mantel shelf on each side of thefireplace. If you do not m...

Page 10 - Installation Items Needed; Figure 10 - Attaching Damper Clamp; Damper; Masonry Fireplace

10 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com INSTALLATION Continued INSTALLING HEATER BASEASSEMBLY WARNING: If installing in a sunken fireplace, special care isneeded. You must raise the fire-place floor to allow access toheater control panel. This will ...

Page 11 - Attach base assembly to fireplace floor; Fitting; WARNING: A qualified service; • external regulator (for propane/LP units; WARNING: Never connect; Install equipment shutoff; Masonry Screw

11 108382 OWNER’S MANUAL For more information, visit www.desatech.com 7. Mark screw locations through one holeon each side of the mounting bracket(see Figure 12). If installing in a brick-bottom fireplace, mark screw locationsin mortar joint of bricks. 8. Remove heater base from fireplace. Ifinstall...

Page 12 - Figure 14 - Gas Connection; Gas Control; Figure 15 - Equipment Shutoff Valve; Open; Correct all leaks at once.; WARNING: Never use an open

12 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com WARNING: Test all gas pip- ing and connections for leaksafter installing or servicing. Cor-rect all leaks at once. CHECKING GASCONNECTIONS INSTALLATION Continued * Purchase the optional CSA design-certified eq...

Page 13 - WARNING: Failure to position; INSTALLING LOGS; Make sure; CAUTION: After installation

13 108382 OWNER’S MANUAL For more information, visit www.desatech.com Pressure Testing Heater GasConnections 1. Open equipment shutoff valve (see Fig-ure 15, page 12). 2. Open main gas valve located on ornear gas meter for natural gas or openpropane/LP supply tank valve. 3. Make sure control knob of...

Page 14 - FOR YOUR SAFETY; • If fireplace has glass doors,

14 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com OPERATINGHEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, afire or explosion may result caus-ing property damage, personalinjury or loss of life. A. This ...

Page 15 - CAUTION: Do not try to adjust; Shutting Off Heater; Lighting; GHRC Series Operation:; Figure 23 - Natural Gas Pilot; Pilot Burner

15 108382 OWNER’S MANUAL For more information, visit www.desatech.com 8. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob.• If control knob does not pop out when released, contact a qualified serviceperson or gas supplier for repairs. Note: If pi...

Page 16 - PILOT FLAME PATTERN; • turn heater off (see To Turn Off Gas to; This remote control

16 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com OPERATINGHEATER Continued Figure 26 - Thermostat Hand-Held Remote Control Unit Selections (GHRCTA only) Figure 25 - Setting the Selector Switch, Control Knob, and Flame Adjustment Knob forRemote Operation Sele...

Page 17 - WARNING: Turn off heater; • If you remove logs for cleaning, refer to; Figure 32 - Pilot Inlet Air Hole; Figure 29 - Correct Flame Pattern

17 108382 OWNER’S MANUAL For more information, visit www.desatech.com BURNER PRIMARY AIR HOLES Air is drawn into the burner through theholes in the fitting at the burner entrance.These holes may become blocked with dustor lint. Periodically inspect these holes forany blockage and clean if needed. Bl...

Page 18 - TROUBLESHOOTING; POSSIBLE CAUSE; All troubleshooting items are listed in

18 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing.Only a qualified service personshould service and repair heater. CAUTION: Never use a wire, needle, or similar object to cleanODS/pilot. T...

Page 19 - OBSERVED PROBLEM; nance, page 17) or replace burner orifice

19 108382 OWNER’S MANUAL For more information, visit www.desatech.com OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whi...

Page 20 - IMPORTANT

20 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com 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 you...

Page 21 - SPECIFICATIONS; Natural Gas; SERVICE HINTS; When Gas Pressure Is Too Low; WIRING DIAGRAM; PARTS UNDER WARRANTY

21 108382 OWNER’S MANUAL For more information, visit www.desatech.com SPECIFICATIONS Natural Gas Propane/LP Btu (Variable) 20,000/39,000 20,000/39,000 Type Gas Natural Gas Only Propane/LP Only Ignition Piezo Piezo Pressure Manifold 3.5" W.C. 8.0" W.C. Inlet Gas Pressure (in. of water) Maximu...

Page 23 - PARTS LIST; PART NUMBER

23 108382 OWNER’S MANUAL For more information, visit www.desatech.com PARTS LIST VYM27NRFVFM27NRVYM27PRFVFM27PR This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 21 of this manual. PART NUMBER KEY VYM27NR VYM2...

Page 24 - ACCESSORIES; FIREPLACE HOOD

24 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com ACCESSORIES Purchase these heater accessories fromyour local dealer. If they can not supplythese accessories, call DESA Internationalat 1-800-458-6860 for referral informa-tion. You can also write to the addre...

Page 25 - OWNER'S REGISTRATION FORM

25 108382 OWNER’S MANUAL For more information, visit www.desatech.com 1. Where will the product be used? ❍ Living/Family Room ❍ Office/Warehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product yourself, did you plan to purchase this type of product befo...

Page 26 - Postage

26 108382 UNVENTED GAS LOG HEATER FLAME-MAX ® For more information, visit www.desatech.com 2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004 Postage Required TM

Page 27 - NOTES

27 108382 OWNER’S MANUAL For more information, visit www.desatech.com NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ ________________________________...

Page 28 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; LIMITED WARRANTY; For information about this warranty write:; NOT A UPC

KEEP THIS WARRANTY WARRANTY INFORMATION 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.We make no other warranty, expressed or im...