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Desa FMH26NR manual

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Table of contents for the manual

  • Page 1

    TM UNVENTED (VENT -FREE) GAS COMP ACT CLASSIC HEARTH ® FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL Save this manual for future reference. Save this manual for future reference. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result caus- ing property damage, personal injury, or loss of life. ?[...]

  • Page 2

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 2 WARNING: Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting. Due to high temperatures[...]

  • Page 3

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 SAFETY INFORMA TION Continued SAFETY INFORMATION PRODUCT IDENTIFICATION 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 [...]

  • Page 4

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 4 LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223.1/NFPA 54 *. *Available from: American National Standards Institute, Inc. 1430 B[...]

  • Page 5

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 ASSEMBLY Assembling Fireplace ASSEMBL Y ASSEMBLING FIREPLACE Tools Required: • Phillips screwdriver • 5/16" hex wrench • slotted screwdriver • scissors 1. Remove two screws that hold fireplace screen in place for ship- ping. These s[...]

  • Page 6

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 6 AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Determining Fresh-Air Flow for Fireplace Location AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy efficient than ever. New mate- rials, increased insulatio[...]

  • Page 7

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 3. Add the Btu/Hr of all fuel burning appliances in the space. V ent-free fireplace _____________ Btu/Hr Gas water heater* _____________ Btu/Hr Gas furnace _____________ Btu/Hr V ented gas heater _____________ Btu/Hr Gas fireplace logs _________[...]

  • Page 8

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 8 Figure 6 - Ventilation Air from Outdoors Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must[...]

  • Page 9

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 FIREPLACE CLEARANCES WARNING: Maintain the minimum clearances shown in Figure 7. If you can, provide greater clear- ances from floor, ceiling, and joining wall. NOTICE: If you install the fireplace in a bedroom (Thermostat-Controlled Models only[...]

  • Page 10

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 10 Actual Framing Height 26" 26 7 / 8 " Front Width 26 3 / 4 " 26 7 / 8 " Depth 9 1 / 2 " 10 1 / 2 " Bottom 3/4" 3/4" 1. Frame in rough opening. Use dimensions shown in Figure 8 for the rough opening. If insta[...]

  • Page 11

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 INST ALLA TION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. NOTICE: Surface temperatures of adjacent walls [...]

  • Page 12

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 12 10. Attach wood base to floor with two 1 3 / 4 " black screws pro- vided (see Figure 13). If the floor is concrete use anchor method (see Attaching W ood Base to Solid Floor , page 17). 11. Install gas line. See Connecting T o Gas Supply , p[...]

  • Page 13

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 Figure 16 - Installing Blower Bracket Assembly 3. Note the wire locations on back of AUT O/OFF/ON switch. The terminals on back of switch are numbered 1, 2, and 3. Carefully remove red wire from terminal 3 and blue wire from terminal 1. Black [...]

  • Page 14

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 14 Red Red Fan Switch (Auto/Off/On) Blue Blue Thermostat Switch (N.O.) Green White Green White On 110/115 V.A.C. Blower Motor Black Off 1 2 3 Auto Figure 20 - Installing Blower Bracket Assembly Figure 19 - Wiring Diagram For Blower Accessory Built-I[...]

  • Page 15

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 1 2 Remove Screw Valve Cover Shield Shoulder Screw Removing Valve Cover Shield 1. Open bottom louver assembly by swinging the assembly down (see Figure 22). 2. Using short Phillips screwdriver , remove the screw under the center of the branch [...]

  • Page 16

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 16 7. Insert the 4 wire harness into one of the round holes in the rear of the valve cover shield and through the rectangular hole in the front of shield (see Figure 23, page 15). 8. Reconnect red wire to switch position 3. Reconnect blue wire to sw[...]

  • Page 17

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 Extension Cord Use extension cord if needed. The cord must have a three-prong, grounding plug and a three-hole receptacle. Make sure cord is in good shape. It must be heavy enough to carry the current needed. An undersized cord will cause a dr[...]

  • Page 18

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 18 Installation must include an equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figures 30). IMPORTANT: Install equipment shutoff valve in a[...]

  • Page 19

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 INST ALLA TION Continued INSTALLATION Connecting Equipment shutoff Valve To Heater Control (Cont.) Checking Gas Connections 2. Route flexible gas line, included, from fireplace control to equipment shutoff valve through side or rear access hol[...]

  • Page 20

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 20 INST ALLA TION Continued Figure 34 - Checking Gas Joints (Propane/LP Only) Propane/LP Supply Tank Equipment Shutoff Valve Equipment Shutoff Valve Gas Meter Figure 35 - Checking Gas Joints (Natural Gas Only) INSTALLATION Checking Gas Connections ([...]

  • Page 21

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 INST ALLA TION Continued Figure 38 - Installing Remote Receiver * Wire harness provided in the fireplace hardware pack. Wires from Valve Wire Harness* Black Wire Red Wire Red Wire Black Wire Remote Receiver Installing 9-Volt Battery in Hand-He[...]

  • Page 22

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 22 1. Remove log packaging material and discard packaging. Gen- tly place log on burner support (see Figure 44). The log should fit flat against top of burner support and log locator tabs fit into the slots under the log. Do not allow log to contact[...]

  • Page 23

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve. OPERA TING FIREPLACE WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss[...]

  • Page 24

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 24 TO TURN OFF GAS TO APPLIANCE OPERATING FIREPLACE (THERMOSTAT-CONTROLLED MODELS) To Turn Gas Off To Appliance Thermostat Control Operation Manual Lighting Procedure Operating Blower OPERATING FIREPLACE (REMOTE-READY MODELS) For Your Safety Read Be[...]

  • Page 25

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 Shutting Off Fireplace 1. T urn control knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b . If Using Optional Hand-Held Remote: Set selector switch in the OFF position to pre vent draining battery . Shutting O[...]

  • Page 26

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 26 GWMT1 WALL MOUNTED THERMOSTAT (OPTIONAL) Make sure the heater switch is on AUTO and set the temperature adjustment on wall thermostat to the desired setting. The ther- mostat has been electronically calibrated at the factory and requires no adjus[...]

  • Page 27

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 55 shows a correct pilot flame pattern. Figure 56 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the th[...]

  • Page 28

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 28 WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qua[...]

  • Page 29

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 29 29 TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and un- plug fireplace and let cool before servicing. Only a qualified ser- vice person should service and repair fireplace. CAUTION: Never use[...]

  • Page 30

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 30 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner [...]

  • Page 31

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 31 31 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 ne[...]

  • Page 32

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 32 Thermostat Models: Thermostat Models: Remote-Ready Models: Remote-Ready Models: VMH10TPB, EFS10TP VMH10TNB, EFS10TN VMH26PRA, EFS26PR, VMH26NRA, EFS26NR, FMH26PR FMH26NR Btu/Hr 10,000 10,000 15,000/26,000 15,000/26,000 Type Gas Propane/LP Gas Onl[...]

  • Page 33

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 33 33 WIRING DIAGRAM (Remote-Ready Models Only) Switch Black Auto Off On Red Red White Thermopile Gas Control TPTH TH TPTH TP REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced u[...]

  • Page 34

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 34 ILLUSTRA TED P ARTS BREAKDOWN THERMOSTAT-CONTROLLED MODELS: VMH10TPB, VMH10TNB, EFS10TP and EFS10TN ILLUSTRATED PARTS BREAKDOWN Thermostat-Controlled Models: VMH10TPB, VMH10TNB, EFS10TP and EFS10TN 23 28 31 8 35 37 13 14 3 8 32 11 10 4 7 29 1 3 2[...]

  • Page 35

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 35 35 This list contains replaceable parts used in your fireplace. When order- ing parts, follow the instructions listed under Replacement Parts on page 33 of this manual. P ARTS LIST THERMOSTAT-CONTROLLED MODELS PARTS LIST Thermostat-Controlled Mod[...]

  • Page 36

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 36 ILLUSTRA TED P ARTS BREAKDOWN REMOTE-READY MODELS: VMH26PRA, VMH26NRA (Shown), EFS26PR, EFS26NR, FMH26PR and FMH26NR ILLUSTRATED PARTS BREAKDOWN Remote-Ready Models: VMH26PRA, VMH26NRA, EFS26PR, EFS26NR, FMH26PR and FMH26NR 39 37 38 4 22 40 32 11[...]

  • Page 37

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 37 37 P ARTS LIST REMOTE-READY MODELS This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Re- placement Parts on page 33 of this manual. PARTS LIST Remote-Ready Models: VMH26PRA, VMH[...]

  • Page 38

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 38 CORNER MANTEL WITH FULL HEARTH BASE GMC63U Series - Unfinished GMC64F Series - Finished GMC65W Series - White Lacquer Finished For all models. Space-saving mantel and hearth base corner design features clean, classic lines. Available in a stained[...]

  • Page 39

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 39 39 RECEIVER AND HAND-HELD THERMOSTAT REMOTE CONTROL KIT - GHRCTA For all Remote-Ready Models. Allows the fireplace to be operated in a manually or thermostatically controlled mode. You can turn the fireplace on and off without ever leaving the co[...]

  • Page 40

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 40 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ ________________________________________________[...]

  • Page 41

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 41 41 • ACCESSORIES 1. Where will the product be used? ❍ Living/Family Room ❍ Office/W arehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product yourself, did you plan to purchase this ty[...]

  • Page 42

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 42 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 TM Postage Required[...]

  • Page 43

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 43 43 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________[...]

  • Page 44

    107032-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 44 LIMITED WARRANTY VENT-FREE COMPACT CLASSIC HEARTH ® FIREPLACE DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel burners from the date of first pu[...]