Desa VYM27NR - Manuals - manualsarea.com

Page 2 - Carbon Monoxide Poisoning:; WARNINGS; DANGER: Carbon monoxide

2 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® 1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases. 2. If you smell gas• shut off gas supply• do not try to light any appliance• do not touch any e...

Page 3 - OWNER’S MANUAL; Figure 1 - Product Identification; OPERATION; UNPACKING; CAUTION: Do not remove the; LOCAL CODES

3 104674 OWNER’S MANUAL PRODUCTIDENTIFICATION Figure 1 - Product Identification Flame-Max ® VYM27NR PRODUCTFEATURES OPERATION This heater is clean burning. It requires nooutside venting. There is no heat loss out avent or up a chimney. Heat is generated byrealistic, dancing yellow flames. This heate...

Page 4 - Unusually Tight Construction; per

4 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® PROVIDING ADEQUATEVENTILATION The following are excerpts from NationalFuel Gas Code. NFPA 54/ANS Z223.1, Sec-tion 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the threefollowing ventilation classifications...

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

5 104674 OWNER’S MANUAL 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 ...

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

6 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® AIR FORCOMBUSTION ANDVENTILATION Continued Figure 3 - Ventilation Air from Outdoors Figure 2 - Ventilation Air from Inside Building OutletAir VentilatedAttic OutletAir InletAir Inlet Air Ventilated Crawl Space To Crawl Space To Attic Or R...

Page 7 - INSTALLATION; CHECK GAS TYPE; B. Clearances from the top of the fireplace

7 104674 OWNER’S MANUAL WARNING: Never install the heater• in a bedroom or bathroom un- less installed as a vented ap-pliance, see page 10 • in a recreational vehicle• w h e r e c u r t a i n s , f u r n i t u r e , clothing, or other flammableobjects are less than 42 inchesfrom the front, top, or s...

Page 8 - If Not Using Mantel; If using a mantel, proceed to If Using; If Using Mantel; Noncombustible; Noncombustible material OK.

8 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® 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 noncombustible material(s)above both fireplace openings. ...

Page 9 - Figure 6 - Minimum Mantel Clearances Without Using Hood; MANTEL CLEARANCES; FLOOR CLEARANCES; A. If installing appliance on the floor level,; flue damper open

9 104674 OWNER’S MANUAL INSTALLATION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood Figure 7 - Minimum Mantel Clearances When Using Hood Continued MANTEL CLEARANCES In addition to meeting noncombustible ma-terial clearances, you must also meetrequired clearances between fireplace ...

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

10 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® INSTALLING HEATER BASEASSEMBLY WARNING: You must secure this heater to fireplace floor. Ifnot, heater will move when youadjust controls. Moving heatermay cause a gas leak. WARNING: If installing in a sunken fireplace, special care isneed...

Page 11 - WARNING: Never connect; CAUTION: Avoid damage to; Figure 13 - Gas Connection; Remove heater base from fireplace.

11 104674 OWNER’S MANUAL INSTALLATION Continued CONNECTING TO GASSUPPLY NOTICE: A qualified service per-son must connect heater to gassupply. Follow all local codes. Installation Items Needed Before installing heater, make sure you havethe items listed below. • piping (check local codes)• sealant (r...

Page 12 - Figure 14 - Manual Shutoff Valve; Figure 15 - Checking Gas Joints; WARNING: Never use an; Correct all leaks at once.

12 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® Test Pressures Equal To or Less Than1/2 PSIG 1. Close manual shutoff valve (see Fig-ure 14). 2. Pressurize supply piping system by ei-ther using compressed air or openingmain gas valve located on or near gasmeter. 3. Check all joints fro...

Page 13 - INSTALLING LOGS; CAUTION: After installation; Make sure log

13 104674 OWNER’S MANUAL WARNING: Failure to posi- tion the parts in accordance withthese diagrams or failure to useonly parts specifically approvedwith this heater may result in prop-erty damage or personal injury. INSTALLING LOGS INSTALLATION Continued CAUTION: After installation and periodically ...

Page 14 - LIGHTING; • If fireplace has glass doors,

14 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® LIGHTING INSTRUCTIONS 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 applia...

Page 15 - CAUTION: Do not try to adjust; Shutting Off Heater; IMPORTANT; GHRCT Operation; Lighting; Thermostat Control Operation

15 104674 OWNER’S MANUAL Ignitor Electrode Pilot Burner Figure 21 - Pilot CAUTION: Do not try to adjust h e a t i n g l e v e l s b y u s i n g t h emanual shutoff valve. WARNING: Make sure the selector switch is in the OFF po-sition when you are away fromhome for long periods of time.Heater will co...

Page 16 - Figure 24 - Correct Pilot Flame Pattern; PILOT FLAME PATTERN; • turn heater off (see To Turn Off Gas to; This remote control; To turn the pilot off,

16 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® ONOFFREMOTE O FF PILO T O N L O I H TEMP STATUS HI LO MAN ON AUTO OFF Increases RoomTemperature Decreases RoomTemperature Turns BurnersOn and Off Shows CurrentOperation Mode Shows Temperature Setting Allows Burners to be TurnedOn and Off...

Page 17 - TROUBLESHOOTING; WARNING: Turn off heater; POSSIBLE CAUSE; All troubleshooting items are listed in

17 104674 OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Onlya qualified service person shouldservice and repair heater. CAUTION: Never use a wire, needle, or similar object to cleanODS/pilot. This can damage ODS/pilot unit. POSSIBLE CAUSE 1. Ignitor electrode...

Page 18 - OBSERVED PROBLEM; nance, page 21) or replace burner orifice

18 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® 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 whistling ...

Page 19 - Operating heater where impurities in air exist may create odors.

19 104674 OWNER’S MANUAL 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 can...

Page 20 - SPECIFICATIONS; PARTS UNDER WARRANTY; SERVICE HINTS; When Gas Pressure Is Too Low; WIRING DIAGRAM; Note

20 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® SPECIFICATIONS 27" Remote Ready Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Ignition Piezo Piezo Pressure Manifold 3.5" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" Minimum* 5" Shipping Weight 32 lbs. *...

Page 21 - LOGS; • If you remove logs for cleaning, refer to; MAIN BURNER; Figure 27 - Pilot Inlet Air Hole

21 104674 OWNER’S MANUAL CLEANING ANDMAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu-lating air passageways of heaterclean. Inspect these areas ofheater before each use. Haveheater inspected yearly by a quali-fied service per...

Page 23 - PARTS LIST; Part Number

23 104674 OWNER’S MANUAL PARTS LIST VYM27NR This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 20 of this manual. KEYNO. Part Number DESCRIPTION QTY. 1 104676-01 Log, Multi-Sided 1 2 103779-01 ODS Pilot (NG) 1 ...

Page 24 - ACCESSORIES; FIREPLACE HOOD

24 104674 UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME MAX ® ACCESSORIES Purchase these heater accessories from yourlocal dealer. If they can not supply theseaccessories, call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation. You can also write to the ad-dress listed ...

Page 25 - NOTES

25 104674 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...

Page 26 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; INTERNATIONAL; NOT A UPC

LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) years from the dateof first purchase, provided that the product has been properly installed, operated and maintained in accordance with all app...