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Manual Desa CGN12

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  • Desa CGN12 - page 1

    OWNER’S OPERA TION AND INST ALLA TION MANUAL ® VENT -FREE NA TURAL GAS HEA TER Model: CGN12 Save this manual for future reference WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal injury, or loss of life. — Do not store or use gasoline or other flammable vapor ...

  • Desa CGN12 - page 2

    2 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ................................................................................... 4 Unpacking ............................. ...

  • Desa CGN12 - page 3

    3 SAFETY INFORMA TION Continued ! WARNING ICON G 001 W ARNINGS Continued 1. Use only natural gas. Do not convert heater to use different fuel type. 2. 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 fro ...

  • Desa CGN12 - page 4

    4 PRODUCT IDENTIFICA TION 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, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, I ...

  • Desa CGN12 - page 5

    5 INST ALLING T O W ALL NOTICE A qualified service person must install heater. Follow all local codes. Continued CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Call dealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing heater, make sure you have the items listed b ...

  • Desa CGN12 - page 6

    6 ! WARNING ICON G 001 W ARNING Maintain minimum clearances shown in Figure 3. If you can, provide greater clearances from floor and joining wall. 2. Mark two mounting screw locations on wall (see Figure 3). INSTALLING HEATER TO WALL Marking Screw Locations 1. Determine where you will locate heater. Figure 3 - Mounting Screw Locations Mounting Scre ...

  • Desa CGN12 - page 7

    7 Installing Two Mounting Screws Note: Wall anchors and mounting screws are in hardware package. The hardware package is provided with heater. Attaching to wall stud method For attaching mounting screw to wall stud 1. Drill hole at marked location using 9/64" drill bit. 2. Insert mounting screw into wall stud. 3. Tighten screw until 1/16" ...

  • Desa CGN12 - page 8

    8 Placing Heater On Mounting Screws 1. Locate two keyhole slots on back panel of heater (see Figure 7). 2. Place large openings of slots over screwheads. Slide heater down until screws are in small portion of slots. Figure 9 - Installing Bottom Mounting Screw Removing Front Panel Of Heater 1. Remove two screws near bottom corners of front panel. 2. ...

  • Desa CGN12 - page 9

    9 ! WARNING ICON G 001 W ARNING Never connect heater to private (non-utility) gas wells. This gas is commonly known as well-head gas. NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. CONNECTING T O GAS SUPPL Y IMPORTANT: Check gas line pressure before connecting heater to gas line. Gas line pressure must ...

  • Desa CGN12 - page 10

    10 ! WARNING ICON G 001 W ARNING Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. Manual Shutoff Valve * IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Figure 10 - Gas Connection * An A.G.A. design-certified manual shutoff valve with 1/8" N ...

  • Desa CGN12 - page 11

    11 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 11). 2. Pressurize supply piping system by either using compressed air or opening main gas valve ...

  • Desa CGN12 - page 12

    12 OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT ...

  • Desa CGN12 - page 13

    13 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information at the top of page 12. If you don’t smell gas, go to the next step. 5. Press in control knob. Note: You may be running this heater for the first time after hooking up to gas supply. If so ...

  • Desa CGN12 - page 14

    14 TO SELECT HEATING LEVEL 1. Slightly press in control knob and turn counterclockwise to the LOW or HIGH positions. IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position. C-clockwise Control Knobs Burners LOW OFF PILOT IGN HIGH OFF PILOT IGN OFF Figure 15 - Burner Patterns ! WARNING ICON G ...

  • Desa CGN12 - page 15

    15 GRH/OV 009 GOOD PILOT GRH/OV 010 BAD PILOT Shutting Off Heater 1. Turn control knob clockwise to the OFF position. Shutting Off Burner Only (pilot stays lit) 1. Turn control knob clockwise to the PILOT position. MANUAL LIGHTING PROCEDURE 1. Remove front panel (see Figure 8, page 8). 2. Follow steps 1 through 6 under LIGHTING INSTRUCTIONS, pages ...

  • Desa CGN12 - page 16

    16 BURNER FLAME PATTERN Figure 18 shows a correct burner flame pattern. Figure 19 shows an incorrect burner flame pattern. Figure 18 - Correct Burner Flame Pattern Figure 19 - Incorrect Burner Flame Pattern If burner flame pattern is incorrect, as shown in Figure 19 • turn heater off (see TO TURN OFF GAS TO APPLIANCE, page 15) • see TROUBLESHOO ...

  • Desa CGN12 - page 17

    17 CLEANING AND MAINTENANCE ODS/PILOT AND BURNER ORIFICE • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabinet to remove dust. OBSERVED PROBLEM When co ...

  • Desa CGN12 - page 18

    18 REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Press in control knob while turning to PILOT/ IGN position 3. Continue holding down control knob. Repeat ig- niting operation until air is removed 4. Clean ODS/pilot (see CLEANING AND MAINTENANCE, page 17) or replace ODS/pilot assembly 5. Replace gas regulator 1. Press in control knob ...

  • Desa CGN12 - page 19

    19 OBSERVED PROBLEM Burner(s) does not light after ODS/pilot is lit Delayed ignition of burner(s) Burner backfiring during combustion Burner plaque(s) does not glow Slight smoke or odor during initial opera- tion Heater produces a clicking/ticking noise just after burner is lit or shut off REMEDY 1. Clean burner orifice(s) (see CLEANING AND MAINTEN ...

  • Desa CGN12 - page 20

    20 POSSIBLE CAUSE 1. Heater burning vapors from paint, hair spray, glues, etc. 2. Gas leak. See Warn- ing statement at top of page 1. Not enough fresh air is available 2. Low line pressure 3. ODS/pilot is partially clogged 1. Gas leak. See Warn- ing statement at top of page 2. Control valve defective 1. Foreign matter between control valve and burn ...

  • Desa CGN12 - page 21

    21 SPECIFICA TIONS B.T.U. (Variable) 6,000/12,000 Type Gas Natural Only Ignition Piezo Pressure Regulator Setting 3" W.C. Inlet Gas Pressure (inches of water) Maximum 10.5" Minimum 4" Dimensions, Inches (H x W x D) Heater 20 1/2 x 13 1/2 x 5 Carton 25 x 16 11/16 x 7 1/2 Weight (pounds) Heater 14 Shipping 17 Note: Use only original re ...

  • Desa CGN12 - page 22

    22 These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. P ARTS CENTRALS Albany Ladder 1586 Central Avenue Albany, NY 12205 (518) 869-5335 Parts Department 1-800-354-7368 Cans Unlimited, Inc. P.O. Box 645 Taylor, SC 29687 (803) 879-3009 U.S. 1 ...

  • Desa CGN12 - page 23

    23 KEY PART NO. NUMBER DESCRIPTION QTY. 13 099391-02 Tubing - Regulator to valve 1 14 099385-01 Control Valve 1 15 099057-01 Pressure Tap Fitting 1 16 098276-01 1/8 Pipe Plug 1 17 099468-02 Cabinet Assembly 1 18 099415-01 Gas Regulator 1 19 098303-02 Screw, #6 x 5/16" 2 20 098508-01 Valve Retainer Nut 1 21 099393-01 Control Knob 1 22 M11084-26 ...

  • Desa CGN12 - page 24

    LIMITED WARRANTY COMFORT GLOW VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for one (1) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim ...

Manufacturer Desa Category Outdoor Fireplace

Documents that we receive from a manufacturer of a Desa CGN12 can be divided into several groups. They are, among others:
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- CGN12 manuals
- Desa product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Desa CGN12.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Desa CGN12, service manual, brief instructions and user manuals Desa CGN12. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Desa CGN12.

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A complete manual for the device Desa CGN12, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Desa CGN12 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Desa CGN12.

A complete Desa manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Desa CGN12 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Desa CGN12, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Desa CGN12, that we can find in the current document
3. Tips how to use the basic functions of the device Desa CGN12 - which should help us in our first steps of using Desa CGN12
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Desa CGN12
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Desa CGN12 in a specific country, if it was not possible to solve the problem on our own.

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