Desa FVFM27PR - Manuals - manualsarea.com

Page 2 - Air for Combustion and Ventilation; State of Massachusetts:; wealth of Massachusetts.; TAbLE OF CONTENTS

www.desatech.com 108382-01G 2 WARNING: Improper installation, adjustment, altera - tion, service or maintenance can cause injury or prop - erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi - tional information consult a qualified installer,...

Page 3 - SAFETY INFORMATION; Carbon Monoxide Poisoning:; Get fresh; N a t u r a l a n d P r o p a n e / L P G a s :

www.desatech.com 108382-01G 3 SAFETY INFORMATION WARNING: This product c o n t a i n s a n d / o r g e n e r a t e s chemicals known to the State of California to cause cancer or birth defects, or other reproduc - tive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying ...

Page 4 - Continued; PRODUCT IDENTIFICATION; Figure 1 - Product Identification

www.desatech.com 108382-01G 4 SAFETY INFORMATION Continued 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank...

Page 5 - The National Fuel Gas Code, ANSI; CAUTION: Do not remove the; OpERATION; Accessories; WARNING: This heater shall

www.desatech.com 108382-01G 5 LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the lat- est edition of The National Fuel Gas Code, ANSI Z223.1/NFPA 54 *. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10...

Page 6 - as construction where:; and; If your home meets all of the three criteria; Ventilation Air From Outdoors; If your home does not meet all of the three; Determining; AIR FOR COMbUSTION

www.desatech.com 108382-01G 6 Exhaust fans, fireplaces, clothes dryers, and fuel burning appliances draw air from the house to operate. You must provide adequate fresh air for these appliances. This will insure proper venting of vented fuel-burning appliances. PROVIDING ADEQUATE VENTILATION The foll...

Page 7 - WARNING: If the area in; National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas; Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation

www.desatech.com 108382-01G Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic AIR FOR COMbUSTION AND VENTILATION Continued Example: Gas water heater* ____________Btu/Hr Vent-free heater + __________Btu/Hr Total = __________Btu/Hr 4. Compare the...

Page 8 - INSTALLATION; Air; CHECK GAS TYpE

www.desatech.com 108382-01G 8 INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri - mary heat source. If you have a central heating system, you may run system’s circulating blower wh...

Page 9 - Installing Damper; Figure 4 - Minimum Clearance for; Install fireplace hood

www.desatech.com 108382-01G 9 MINIMUM FIREpLACE CLEARANCE TO COMBUSTIBLE MATERIALS Side Wall Ceiling 16" 42" LOG SIZING REQUIREMENTS Log Size Minimum Firebox Height Depth Width 2" 1" 19" 32" Carefully follow the instructions below. This will ensure safe installation into a ma...

Page 10 - If Using Mantel; MANTEL CLEARANCES; Determining Minimum Mantel Clearance; Follow all minimum clearances; FLOOR CLEARANCES

www.desatech.com 108382-01G 10 14" Min. Combustible Material Noncombustible Material If Using Mantel You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2" thick. With sheet metal, you must have...

Page 11 - Figure 9 - Minimum Fireplace Clearances; INSTALLING DAMpER CLAMp; Masonry Fireplace; Figure 10 - Attaching Damper Clamp

www.desatech.com 108382-01G 11 Hearth 5" Min. Combustible Material INSTALLATION Continued Figure 9 - Minimum Fireplace Clearances Above Combustible Flooring B. If combustible materials are less than 14" to the fireplace, you must install appliance at least 5" above the combustible floori...

Page 12 - Fitting; CONNECTING TO GAS SUppLY; WARNING: Never connect; Installation Items Needed

www.desatech.com 108382-01G 12 INSTALLATION Continued IMPORTANT: Make sure the heater burner is level. If heater is not level, heater will not work properly. Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • ...

Page 13 - Figure 13 - External Regulator With Vent; Natural Gas

www.desatech.com 108382-01G 13 For propane/LP units, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11" and 14" of water. If you do not reduce incoming gas pres- sure, heater regulato...

Page 14 - CHECKING GAS CONNECTIONS; and connections, internal and; ing to Gas Supply; Figure 17 - Checking Gas Joints for

www.desatech.com 108382-01G 14 CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections, internal and external to unit, for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detec - tion fluid ...

Page 15 - Operating Heater; INSTALLING LOGS

www.desatech.com 108382-01G 15 INSTALLATION Continued Figure 18 - Installing Bottom Log (#1) Bottom Log (#1) Burner Chassis Grate Burner Port Figure 19 - Installing Log set (Top View) Logs Burner Ports Figure 20 - Installing Top Log (#2) Top Log (#2) Peg 3. Position log piece (#3) by aligning holes ...

Page 16 - Peg; OPERATING HEATER; FOR YOUR SAFETY; low these instructions exactly,; LIGHTING; erate heater with doors closed,

www.desatech.com 108382-01G 16 INSTALLATION Continued Figure 21 - Installing Log Piece (#3) Log Piece (#3) Peg OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per - sonal injury ...

Page 17 - Manual Lighting Procedure; just heating levels by using the; Flame Adjustment Knob; Control Knob; WARNING: Make sure the; Pilot Burner; TO TURN OFF GAS; Shutting Off Heater; MANUAL LIGHTING; Lighting

www.desatech.com 108382-01G 1 safety information, column 1 on page 16. If you don’t smell gas, go to the next step. 6. Press in and turn control knob counter- clockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 22, page 17). Note: You may be running this heater fo...

Page 18 - Figure 25 - Setting the Selector Switch,; THERMOSTAT SERIES (MODEL; Control Unit; REMOTE OpERATION; NOTICE: You must light the pilot; Remote Control Unit; Manual Mode

www.desatech.com 108382-01G 18 ON/OFF SERIES (MODEL HRC100) Hold the control button on the hand-held remote until burner turns on. Hold the con- trol button again until burner turns off (see Figure 26). To Lock press both buttons on hand-held remote control until light stops flashing. Hand- held rem...

Page 19 - INSPECTING bURNERS; pILOT FLAME pATTERN; Figure 28 - Correct Pilot Flame Pattern; BURNER FLAME PATTERN; Figure 30 - Correct Flame Pattern

www.desatech.com 108382-01G 19 Note: Do not leave the hand-held remote in the AUTO mode close to the fireplace. The radiant heat from the fireplace will turn off the fireplace. Ideally, place the hand-held remote in the center of the room facing towards the fireplace. Note: Do not hold the hand-held...

Page 20 - BURNER PRIMARY AIR HOLES; CLEANING AND; WARNING: Turn off heater; CLEANING BURNER INjECTOR; Figure 32 - Injector Holder On Outlet

www.desatech.com 108382-01G 20 Injector Holder (May Be Brass or Aluminum Depending on Model) Primary Air Inlet Holes (Shape of Holes May Vary by Model) INSPECTING bURNERS Continued BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the burner entrance. These ho...

Page 21 - LOGS; ing Logs; pARTS UNDER WARRANTY; When Gas pressure Is Too Low

www.desatech.com 108382-01G 21 Clean the pilot assembly also. A yellow tip on the pilot flame indicates dust and dirt in the pilot as- sembly. There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see Figure 33, page 20). With the unit off...

Page 22 - TROUbLESHOOTING; WARNING: Turn off heater and let cool before servicing. Only a; OBSERVED PROBLEM; ing and Maintenance,

www.desatech.com 108382-01G 22 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 ...

Page 24 - IMPORTANT; Warning state; REMEDY

www.desatech.com 108382-01G 24 TROUbLESHOOTING Continued OBSERVED PROBLEM Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function Heater produces a clicking...

Page 25 - S e e Wa r n i n g; Checking Gas Connec-; ACCESSORIES; FIREpLACE HOOD

www.desatech.com 108382-01G 25 TROUbLESHOOTING Continued OBSERVED PROBLEM Gas odor during combustion POSSIBLE CAUSE 1. Foreign matter between con- trol valve and burner 2. Gas leak. S e e Wa r n i n g statement at top of page REMEDY 1. Take apart gas tubing and remove foreign matter 2. Locate and co...

Page 26 - ILLUSTRATED PARTS bREAkDOWN; MODELS

www.desatech.com 108382-01G 26 5 O F F P ILO T O N H I L O O F F P ILO T O N H I L O 1 9 3 2 13 12 15 14 18 17 12 12 16 21 12 19 6 8 7 4 11 12 20 10 9 23 22 ILLUSTRATED PARTS bREAkDOWN MODELS VYM27NR, VYM27PR, FVFM27NR AND FVFM27PR NOTE: Part numbers 22 and 23 are for natural gas model only.

Page 27 - PARTS LIST; listed under; KEY; Burner Orifice Injector; PARTS AVAILABLE — NOT SHOWN; Lava Rock

www.desatech.com 108382-01G 2 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. KEY NO. PART NUMBER DESCRIpTION QTY. VYM27NR FVFM27NR VYM27PR FVFM27PR 1 10466-01 10466-01 Log, Mu...

Page 28 - NOT A UPC; WARRANTY INFORMATION; kEEP THIS WARRANTY; Model; LIMITED WARRANTY

201 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com NOT A UPC 108382-01Rev. G10/05 WARRANTY INFORMATION kEEP THIS WARRANTY Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these specifications at any time without not...