Desa CGN12A - Manuals - manualsarea.com

Page 2 - CONTENTS; SECTION; WARNINGS; Read this owner’s manual carefully and completely before; DANGER; Carbon monoxide poisoning may lead to death!; Early signs of carbon monoxide poisoning; Natural Gas; Safety Information continues on next page; SAFETY

2 100847 CONTENTS SECTION PAGE Safety Information ......................................................................... 2Product Identification .................................................................... 4Local Codes .........................................................................

Page 3 - Continued

3 100847 SAFETY INFORMATION Continued WARNING ICON G 001 WARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 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 ...

Page 4 - dealer where you bought heater.; Safety Device

4 100847 PRODUCT IDENTIFICATION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition of The National Fuel Gas Code ANSI Z223.1, alsoknown as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New ...

Page 5 - WARNING; PRODUCING ADEQUATE VENTILATION; Unusually Tight Construction; and; Unconfined Space

5 100847 FRESH AIR FOR COMBUSTION AND VENTILATION WARNING ICON G 001 WARNING This heater must have fresh air for proper operation. If not, poorfuel combustion could result. Read the following instructions toinsure proper fresh air for this and other fuel-burning appliancesin your home. Today’s homes...

Page 6 - You must provide additional ventilation air in a confined space.; DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space

6 100847 FRESH AIR FOR COMBUSTION AND VENTILATION Continued WARNING ICON G 001 WARNING You must provide additional ventilation air in a confined space. DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a ...

Page 7 - Ventilation Air From Inside Building; Figure 2 - Ventilation Air from Inside Building

7 100847 FRESH AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to anadjoining unconfined space, you must provide two permanent openings: one within 12" of theceiling a...

Page 8 - Ventilation Air From Outdoors; Figure 3 - Ventilation Air from Outdoors

8 100847 FRESH AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR (Continued) Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two perma-nent openings: one within 12" of the ceiling and one within 12" of the floor. Connect...

Page 9 - NOTICE; CHECK GAS TYPE; This heater is designed to be mounted on a wall.; Never install the heater; CAUTION; If you install the heater in a home garage

9 100847 INSTALLING TO WALL Continued NOTICE A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Calldealer where you bought heater for proper type heater. INSTALLATION ITEMS Before ins...

Page 10 - INSTALLING HEATER TO WALL; Marking Screw Locations; Determine where you will locate heater.; JOINING WALL; INSTALLING; For convenience and efficiency, install heater

10 100847 2. Mark two mounting screw locations on wall (see Figure 5). INSTALLING HEATER TO WALL Marking Screw Locations 1. Determine where you will locate heater. Figure 5 - Mounting Screw Locations Mounting Screw Locations 10 7/8" Minimum To Maintain 6" Clearance From Wall 7 3/4" 20 1/...

Page 11 - Installing Two Mounting Screws; package is provided with heater.; Attaching to wall stud method; Figure 8 - Tightening Anchors

11 100847 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 stud1. Drill hole at marked location using 9/64" drill bit.2. Insert mounting ...

Page 12 - Placing Heater On Mounting Screws; are in small portion of slots.; Figure 11 - Installing Bottom Mounting Screw; Removing Front Panel Of Heater; Figure 10 - Removing Front Panel Of Heater; Installing Bottom Mounting Screw; Figure 9 - Location Of Keyhole Slots On Back Panel Of Heater

12 100847 Placing Heater On Mounting Screws 1. Locate two keyhole slots on back panel of heater (see Figure 9).2. Place large openings of slots over screwheads. Slide heater down until screws are in small portion of slots. Figure 11 - Installing Bottom Mounting Screw Removing Front Panel Of Heater 1...

Page 13 - CONNECTING

13 100847 WARNING ICON G 001 WARNING Never connect heater to private (non-utility) gas wells. This gas iscommonly known as well-head gas. NOTICE A qualified service person must connect heater to gas supply.Follow all local codes. CONNECTING TO GAS SUPPLY IMPORTANT: Check gas line pressure before con...

Page 14 - Figure 12 - Gas Connection; PRESSURE TESTING GAS SUPPLY PIPING SYSTEM; Test Pressures In Excess Of 1/2 PSIG; opening main gas valve located on or near gas meter.

14 100847 ManualShutoff Valve * IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Figure 12 - Gas Connection * An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptablealternative to test gauge connection. Purchase the optio...

Page 15 - water to gas joints. Bubbles forming show a leak.; Test Pressures Equal To or Less Than 1/2 PSIG; gas valve located on or near gas meter.; PRESSURE TESTING HEATER GAS CONNECTIONS; internal joints for leaks.; Figure 13 - Manual Shutoff Valve; Figure 14 - Checking Gas Joints; CHECKING

15 100847 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 13).2. Pressurize supply piping system b...

Page 16 - FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; Figure 15 - Control Knob In The OFF Position

16 100847 OPERATING HEATER 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...

Page 18 - TO SELECT HEATING LEVEL; Slightly press in control knob and turn counterclockwise; Control; OPERATING

18 100847 TO SELECT HEATING LEVEL 1. Slightly press in control knob and turn counterclockwise C-clockwise to the LOW or HIGH positions. IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position. Control Knobs Burners LOW OFF PILOT HIGH OFF PILOT ...

Page 19 - Shutting Off Heater; to the OFF position.; MANUAL LIGHTING PROCEDURE; Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; Figure 18 - Correct Pilot Flame Pattern; If pilot flame pattern is incorrect, as shown in Figure 19; INSPECTING; Figure 19 - Incorrect Pilot Flame Pattern

19 100847 GRH/OV 009 GOOD PILOT GRH/OV 008 BAD PILOT/LP Shutting Off Heater 1. Turn control knob clockwise 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 10, p...

Page 20 - BURNER FLAME PATTERN; Figure 20 - Correct Burner Flame Pattern; If burner flame pattern is incorrect, as shown in Figure 21

20 100847 BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern. Figure 21 shows an incorrectburner flame pattern. Figure 20 - Correct Burner Flame Pattern Figure 21 - Incorrect Burner Flame Pattern If burner flame pattern is incorrect, as shown in Figure 21 • turn heater off (see To T...

Page 21 - Turn off heater and let cool before cleaning.; ODS/PILOT AND BURNER ORIFICE; Air Passageways; SHOOTING; REMEDY

21 100847 CLEANING AND MAINTENANCE WARNING ICON G 001 WARNING Turn off heater and let cool before cleaning. WARNING ICON G 001 CAUTION You must keep control areas, burner, and circulating airpassageways of heater clean. Inspect these areas of heater beforeeach use. Have heater inspected yearly by a ...

Page 24 - If you smell gas; TECHNICAL

24 100847 TROUBLE- SHOOTING Continued WARNING ICON G 001 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 neighbor’s phone. Follow the gas suppli...

Page 25 - SPECIFICATIONS; When gas pressure is too low; SERVICE; Parts Under Warranty; REPLACEMENT

25 100847 SPECIFICATIONS BTU (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...

Page 27 - HEATER EXPLODED VIEW; ILLUSTRATED

27 100847 23 GRH VP11A GRH VP11A 21 20 19 18 17 14 15 16 13 10 12 9 9 11 22 7 8 6 6 5 4 3 2 1 A B 23 24 25 GRH VP11A GRH VP11A GRHpv013.U 25 KEY PART NO. NUMBER DESCRIPTION QTY. 15 099057-01 Pressure Tap Fitting 1 16 098276-01 1/8 Pipe Plug 1 17 099468-05 Cabinet Assembly 1 18 099415-01 Gas Regulato...

Page 28 - KEEP THIS WARRANTY; WARRANTY INFORMATION

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 fromthe date of first purchase, provided that the product has been properly installed, operated and maintained inaccordance wi...