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Desa C manual

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Table of contents for the manual

  • Page 1

    LO PILOT OFF HI UNVENTED (VENT -FREE) GAS LOG HEA TER OWNER’S OPERATION AND INSTALLATION MANUAL Remote-Ready and Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances Save this manual for future reference. Save this manual for future reference. WARNING: If the information in this manual is not followed exactly,[...]

  • Page 2

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 2 TABLE OF CONTENTS SAFETY INFORMA TION ............................................................ 2 PRODUCT IDENTIFICA TION ..................................................... 3 OPTIONAL REMOTE CONTROL ACCESSORIES .................... 4 LOCAL C[...]

  • Page 3

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 SAFETY INFORMA TION Continued PRODUCT IDENTIFICA TION Figure 1 - 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 p[...]

  • Page 4

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 4 LOCAL CODES Install and use heater 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 Broa[...]

  • Page 5

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 40,000 33,000 73,000 Unusually tight construction is defined as construction where: a. walls and ceilings exposed to the outside atmosphere have a contin uous water vapor retar der with a rating of one perm (6 x 10 -11 kg per pa-sec-m 2 ) or les[...]

  • Page 6

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 6 AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent open[...]

  • Page 7

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 INST ALLA TION NOTICE: This heater is intended for use as supple- mental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run syst[...]

  • Page 8

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 8 Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or listed vent-free firebox. Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling A. Clearances fr[...]

  • Page 9

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 INST ALLA TION Continued MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will nee[...]

  • Page 10

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 10 INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If your heater is a manu[...]

  • Page 11

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 INST ALLA TION Continued Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator (Variable Manually-Controlled and Thermostatically-Controlled Models Only) Figure 13 - [...]

  • Page 12

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 12 Propane/LP Supply Tank External Regulator CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator. WARNING: A qualified service person must con- nect heater to [...]

  • Page 13

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 INST ALLA TION Continued Figure 16 - Gas Connection (Variable Manually-Controlled and Thermostatically-Controlled Models Only) * Purchase the optional CSA design-certified equipment shutoff valve from your dealer . See Accessories , page 36. *[...]

  • Page 14

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 14 INST ALLA TION Continued Figure 18 - Equipment Shutoff Valve Figure 19 - Checking Gas Joints (Propane/LP Only) Thermostat Gas Valve or Control Valve Location Propane/LP Supply Tank Equipment Shutoff Valve ON POSITION OFF POSITION Open Closed Equi[...]

  • Page 15

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 INSTALLATION Installing Logs (Cont.) Middle Log (#2) Metal Post Metal Post Groove Groove Grate Figure 22 - Installing Middle Log (#2) [18" Variable Manually- Controlled Set Shown] Rear Log (#3) Peg Grate Prong Grate Prong Rear Burner Groo[...]

  • Page 16

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 16 OPERA TING HEA TER WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the[...]

  • Page 17

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 Figure 26 - Pilot Ignitor Electrode Thermocouple Pilot Burner OPERATING HEATER (THERMOSTAT-CONTROLLED MODELS) To Turn Gas Off To Appliance Thermostat Control Operation Manual Lighting Procedure OPERATING HEATER (MANUALLY-CONTROLLED MODELS) For[...]

  • Page 18

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 18 Control Knob Ignitor Button Figure 27 - Control Knob and Ignitor Button Location 7. Keep contr ol knob pressed in f or 30 seconds after lighting pilot. After 30 seconds, release control knob . • If control knob does not pop out when r eleased, [...]

  • Page 19

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 Shutting Off Heater 1. Press in and tur n control knob clockwise Clockwise to the HI position. 2. T urn the control knob clockwise Clockwise to the PILO T position. 3. Press in contr ol knob and turn clockwise Clockwise to the OFF position. Sh[...]

  • Page 20

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 20 Shutting Off Heater 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 Off Bur[...]

  • Page 21

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 OPERA TING HEA TER Continued Figure 32 - Setting the Selector Switch, Control Knob, and Flame Adjustment Knob for Remote Operation OPTIONAL HAND-HELD REMOTE OPERATION O F F P I L O T O N L O I H ON OFF REMOTE Selector Toggle Switch (Optional H[...]

  • Page 22

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 22 FRONT BURNER FLAME PATTERN Figure 36 shows correct front burner flame pattern. Figure 37 shows incorrect front burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of blue flame. WARNING: If yellow tipping occurs, [...]

  • Page 23

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and circulating air passageways of heater clean. In- spect these areas of heater before each use. Have heater inspected yearly by a qualified[...]

  • Page 24

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 24 TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater. CAUTION: Never use a wire, [...]

  • Page 25

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke [...]

  • Page 26

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 26 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 neigh[...]

  • Page 27

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 Capillary Screw Retaining Clamp Thermostat Sensing Bulb OPTIONAL POSITIONING OF THERMOST A T SENSING BULB (Thermostat-Controlled Models Only) FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE If your log set cycles to pilot, but the room temperatu[...]

  • Page 28

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 28 18" Thermostat-Controlled 24" Thermostat-Controlled 30" Thermostat-Controlled Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000 Type Gas Propane/LP Only - Natural Propane/LP Only - Natural Propane/LP Only - Natural Ignition [...]

  • Page 29

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 29 29 SER VICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit • burners will have delayed ignition • heater will not produce specified heat • propane/LP gas supply may be low You may feel your gas pressure is too low. If so, co[...]

  • Page 30

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 30 17 19 18 25 24 20 20 28 26 27 5 6 9 9 7 27 27 24 10 11 12 14 21 22 8 23 6-1 6-2 13 15 16 1a 1b 24" and 30" Models Only 29 4 3 2 1 18" Model Only ILLUSTRA TED P ARTS BREAKDOWN VARIABLE MANUALLY- CONTROLLED SPLIT OAK MODELS VS18NVC, [...]

  • Page 31

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 31 31 P ARTS LIST VARIABLE MANUALLY-CONTROLLED SPLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBER FOR KEY VS18[...]

  • Page 32

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 32 ILLUSTRA TED P ARTS BREAKDOWN THERMOSTAT-CONTROLLED MODELS VS18NTB, VS18PTB, VS24NTB, VS24PTB, VS30NTB and VS30PTB ILLUSTRATED PARTS BREAKDOWN Models VS18NTB, VS18PTB, VS24NTB, VS24PTB, VS30NTB and VS30PTB 30 5 24 7 8 9 10 7 7 13 31 32 14 15 17 1[...]

  • Page 33

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 33 33 P ARTS LIST THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. KEY PART NUMBER FOR NO. VS18NTB VS18PTB V[...]

  • Page 34

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 34 ILLUSTRA TED P ARTS BREAKDOWN REMOTE-READY VARIABLE CONTROL MODELS VS18NRA, E18NR, VS18PRA, E18PR, VS24NRA, E24NR, VS24PRA, E24PR, VS30NRA, E30NR, VS30PRA, and E30PR ILLUSTRATED PARTS BREAKDOWN Models VS18NRA, E18NR, VS18PRA, E18PR, VS24NRA, E24N[...]

  • Page 35

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 35 35 P ARTS LIST REMOTE-READY VARIABLE CONTROL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBERS KEY VS18NRA VS18PRA VS24NRA[...]

  • Page 36

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 36 ACCESSORIES WALL-MOUNT THERMOSTAT SWITCH - GWMT1 (Not Shown) For all Remote-Ready Models. The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected. WALL[...]

  • Page 37

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 37 37 • ACCESSORIES 1. Where will the product be used? ❍ Living/F amily Room ❍ Office/Warehouse ❍ Utility Shed/Outb uilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product yourself , did you plan to purchase this [...]

  • Page 38

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 38 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 Postage Required T APE T APE[...]

  • Page 39

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 39 39 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________[...]

  • Page 40

    104415-01L For more information, visit www.desatech.com For more information, visit www.desatech.com 40 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 104415-01 Rev. L 04/03 NOT A UPC 104415 01 KEEP THIS WARRANTY W ARRANTY INFORMA TION Model Serial No. Date Purchased Always specify model and serial numbers when c[...]