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Desa GA3700T manual

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Table of contents for the manual

  • Page 1

    For more information, visit www .desatech.com W ARNING: If the information in this manual is not           [...]

  • Page 2

    www .desatech.com 1 13109-01G 2 SAFETY T ABLE OF CONTENTS Safety .................................................................. 2 Product Identication ........................................... 4 Local Codes......................................................... 5 Unpacking............................................................ 5 Pro[...]

  • Page 3

    www .desatech.com 1 13109-01G 3         Early signs of carbon monoxide poisoning resemble the u, with headache[...]

  • Page 4

    www .desatech.com 1 13109-01G 4 SAFETY Continued system. The ODS shuts down the replace if enough fresh air is not available. See Air for Combustion and Ventilation, page 6. If replace keeps shutting off, see T rouble- shooting, page 25. 10. Do not run replace • where ammable liquids or vapors are used or stored • under dusty condit[...]

  • Page 5

    www .desatech.com 1 13109-01G 5 LOCAL CODES Install and use replace 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/NFP A 54 *. *Available from: American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 National Fire Protection Association, In[...]

  • Page 6

    www .desatech.com 1 13109-01G 6 W ARNING: This heater shall             -      ?[...]

  • Page 7

    www .desatech.com 1 13109-01G 7 1. Determine the volume of the space (length x width x height). Length x Width x Height =__________cu. ft. (volume of space) Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoining room is supplied with grills or openings, a[...]

  • Page 8

    www .desatech.com 1 13109-01G 8 INST ALLA TION W ARNING: Never install the          ?[...]

  • Page 9

    www .desatech.com 1 13109-01G 9 Figure 5 - Installing Hood to Firebox Note: Y our replace is designed to be used in zero clearance installations. Wall or framing ma - terial can be placed directly against any exterior surface on the rear , sides or top of your replace, except where standoff spacers are integrally at - tached. If standoff spac[...]

  • Page 10

    www .desatech.com 1 13109-01G 10 INST ALLA TION Continued Figure 9 - Placing Hearth Base Accessory Against Wall Electrical Outlet Hearth Base Rigid Gas Line Gas Line Access Hole Figure 8 - Minimum Clearance for Combustible to Wall *Minimum 16" from Side Wall Example * INST ALLA TION CLEARANCES W ARNING: Maintain the    [...]

  • Page 11

    www .desatech.com 1 13109-01G 11 3. Install gas piping to replace location. This installation includes an approved exible gas line (if allowed by local codes) after the equipment shutoff valve. The exible gas line must be the last item installed on the gas piping. See Installing Gas Piping to Fireplace Location, page 13. 4. Place hearth ba[...]

  • Page 12

    www .desatech.com 1 13109-01G 12 INST ALLA TION Continued BUIL T -IN FIREPLACE INST ALLA TION Built-in installation of this replace involves installing replace into a framed-in enclosure. This makes the front of replace ush with wall. If installing a mantel above the replace, you must follow the clearances shown in Fig - ure 16, page[...]

  • Page 13

    www .desatech.com 1 13109-01G 13 INST ALLA TION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in replace, you must meet minimum clearance between man - tel shelf and top of replace opening. NOTICE : If your insta lla tio n does not meet the minimum clear - ances shown, you must do one ?[...]

  • Page 14

    www .desatech.com 1 13109-01G 14 For propane/LP units, the installer must supply an external regulator . The external regulator will reduce incoming gas pressure. Y ou must reduce incoming gas pressure to between 1 1" and 14" of water . If you do not re - duce incoming gas pressur e, heater regulat or damage could occur . Install external[...]

  • Page 15

    www .desatech.com 1 13109-01G 15 INST ALLA TION Continued CONNECTING FIREPLACE TO GAS SUPPL Y Installation Items Needed • 5/16" hex socket wrench or nut-driver • Phillips screwdriver • sealant (resistant to propane/LP gas, not provided) 1. Remove replace screen. Remove two screws that hold replace screen in place for shipping. Thes[...]

  • Page 16

    www .desatech.com 1 13109-01G 16 INST ALLA TION Continued CAUTION: Make sure exter-               [...]

  • Page 17

    www .desatech.com 1 13109-01G 17 INST ALLA TION Continued 5. Correct all leaks at once. 6. Light replace (see Operation , page 19. Check all other internal joints for leaks. 7. T urn off replace (see T o T urn Off Gas to Appliance , page 20). INST ALLING LOGS CAUTI ON: Do not remov e the        [...]

  • Page 18

    www .desatech.com 1 13109-01G 18 INST ALLA TION Continued Notches Figure 26 - Installing Fireplace Screen Screws for Mounting Screen OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL ACCESSORIES   1. Disconn[...]

  • Page 19

    www .desatech.com 1 13109-01G 19 INST ALLA TION Continued   Remote Control Unit 1. Remove battery cover on back of remote control unit. 2. Attach terminal wires to the battery . Place battery into the battery housing. 3. Replace batt[...]

  • Page 20

    www .desatech.com 1 13109-01G 20 O F F P I L O T L O I H AU T O OFF ON O N Figure 32 - Control Knob and Ignitor Button Location (Shown as Supplied, No Control Options) Control Knob Ignitor Button Selector Switch Flame Adjustment Knob 4. Press in and turn control knob clockwise to the OFF position. 5. W ait ve (5) minutes to clear out any gas. Th[...]

  • Page 21

    www .desatech.com 1 13109-01G 21 OPERA TION Continued MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 6 under Lighting Instructions , page 19. 2. Press control knob and light pilot wi th match. 3. Keep control knob pressed in for 30 sec - onds after lighting pilot. After 30 seconds, release control knob. Now follow steps 9 through 1 1 under Lig[...]

  • Page 22

    www .desatech.com 1 13109-01G 22 OPERA TION Continued  1. Press the POWER and LOCK buttons together to turn on the hand-held remote control. 2. Press AUTO button to select this mode. 3. Set the desired room temperature by pressing the TEMP + or - buttons. 4. Press the POWER and[...]

  • Page 23

    www .desatech.com 1 13109-01G 23 Figure 38 - Correct Pilot Flame Pattern (Natural Gas Pilot Shown) Figure 39 - Incorrect Pilot Flame Pattern (Natural Gas Pilot Shown) Pilot Burner Thermocouple Pilot Burner Thermocouple INSPECTING B URNER BURNER PRIMAR Y AIR HOLES Air is drawn into the burner through the holes in the tting at the burner entrance.[...]

  • Page 24

    www .desatech.com 1 13109-01G 24 CLEANING AND MAINTENANCE                ?[...]

  • Page 25

    www .desatech.com 1 13109-01G 25 TROUBLESHOO TING       [...]

  • Page 26

    www .desatech.com 1 13109-01G 26 TROUBLESHOO TING Continued POSSIBLE CAUSE 1 . Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Equi pme nt shuto ff valv e not fully open 4. P i lo t f l am e n o t t o uc h in g th er moc ou pl e, whi ch al lo ws thermocouple to cool, caus - in g pilo t ame to go out . Th is pr ob [...]

  • Page 27

    www .desatech.com 1 13109-01G 27 POSSIBLE CAUSE 1 . Not enough combustion/ ventilation air 1. T urni ng contro l knob to HI positio n when burne rs are cold 2. Air in gas line 3. Air passageways on heater blocked 4. Dirty or partially clogged burner orice(s) 1. When heated, vapors from furni ture polis h, wax, carpet cleaners, etc. may turn into[...]

  • Page 28

    www .desatech.com 1 13109-01G 28          ?[...]

  • Page 29

    www .desatech.com 1 13109-01G 29 WIRING DIAGRAM Note: For proper operation of optional acces- sories, the wires from the switch to the control must be connected exactly as shown. AUTO OFF ON Thermopile SPECIFICA TIONS  • Rating: 20,000/30,000 Btu/Hr • Gas T ype: Natural Gas • Ignition: Piezo • Pressure Manifold: 3[...]

  • Page 30

    www .desatech.com 1 13109-01G 30 17 27 4 8 12 26 7 6 4 3 2 1a 1c 1b 5 9 28 14 13 25 15 16 21 1 1 10 19 20 19 23 22 18 24 29 P ARTS  [...]

  • Page 31

    www .desatech.com 1 13109-01G 31 P ARTS This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual.       DESCRIPTION   1a 122081-04 B[...]

  • Page 32

    www .desatech.com 1 13109-01G 32 P ARTS   4 11 14 8 14 9 3 14 9 9 2 1 6 7 10 14 12 5 14 13 16 15[...]

  • Page 33

    www .desatech.com 1 13109-01G 33 P ARTS   This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual.    ?[...]

  • Page 34

    www .desatech.com 1 13109-01G 34 NOTICE: All accessories may     Purchase these replace accessories from your local dealer. If they can not supply these accessories, call DESA Heating, LLC at 1-866-672-6040 for information. [...]

  • Page 35

    www .desatech.com 1 13109-01G 35 ACCESSORIES Continued W ALL-MOUNT ON/OFF SWITCH GWMS2  Allows the gas log heater to be turned on and off with a wall switch.   Creates the sound of a real burning ?[...]

  • Page 36

    1 13109-01 Rev . G 09/08 NOT A UPC 113109 01 DESA Heating, LLC 2701 Industrial Drive Bowling Green, KY 42101 www .desatech.com 1-866-672-6040 WARRANTY KEEP THIS WARRANTY DESA HEA TING, LLC LIMITED WARRANTIES New Products Standard W arranty: DESA Heating, LLC warrants this new product and any parts thereof to be free from defects in material and wor[...]