Instruction/ maintenance manual of the product R, V, T Desa
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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.
110882-01C 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 .......................
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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) F.
110882-01C 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.
110882-01C 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 .
110882-01C 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 (Pr.
110882-01C 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 Groove Groove Grate Figure 22.
110882-01C 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.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 OPERATING HEATER (THERMOSTAT-CONTROLLED MODELS) To Turn Gas Off To Appliance Thermostat Contr.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 18 Figure 26 - Control Knob and Ignitor Button Location 4. W ait fiv e (5) min utes to clear out any gas. Then smell f or gas, including near the floor .
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 OPERATING HEATER (REMOTE-READY MODELS) For Your Safety Read Before Lighting (Cont.) Lighting Instructions C. Use only y our hand to push in or turn the gas control knob .
110882-01C 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 .
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 OPERA TING HEA TER Continued OPERATING HEATER (REMOTE-READY MODELS) Optional Hand-Held Remote Operation (Cont.) ON/OFF SERIES (MODEL GHRCB) Hold the control button on the hand-held remote until burner turns on.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C 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 .
110882-01C 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.
110882-01C 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 .
110882-01C 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.
110882-01C 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.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 30 15 17 16 23 24 18 18 26 6-2 6-1 24 25 22 21 9 10 12 11 13 14 4 25 25 8 6 20 7 19 3 1 5 2 ILLUSTR.
110882-01C 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.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 32 ILLUSTRA TED P ARTS BREAKDOWN THERMOSTAT-CONTROLLED MODELS NVS18NT, NVS18PT, NVS24NT, NVS24PT, N.
110882-01C 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.
110882-01C 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 NVS18NR, NVS18PR, NVS24NR, NV.
110882-01C 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.
110882-01C 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.
110882-01C 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.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 38 Postage Required T APE T APE 2701 Industrial Drive P.
110882-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 39 39 NOTES _______________________________________________________________________________________.
110882-01C 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 110882-01 Rev. C 04/03 NOT A UPC 110882 01 KEEP THIS WARRANTY W ARRANTY INFORMA TION Model Serial No.
An important point after buying a device Desa R, V, T (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa R, V, T yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa R, V, T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa R, V, T you will learn all the available features of the product, as well as information on its operation. The information that you get Desa R, V, T will certainly help you make a decision on the purchase.
If you already are a holder of Desa R, V, T, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa R, V, T.
However, one of the most important roles played by the user manual is to help in solving problems with Desa R, V, T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa R, V, T along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center