Page 2 - NATURAL GAS HEATER; WARNINGS; WARNING: Any change to; Carbon Monoxide Poisoning:; Early signs of
2 104276 NATURAL GAS HEATER CGN10RLA SAFETYINFORMATION WARNINGS 1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases. 2. If you smell gas• shut off gas supply• do not try to light any appliance• do not touch any...
Page 3 - OWNER’S MANUAL; LOCAL CODES; American National Standards Institute, Inc.; UNPACKING; Remove heater from carton.; SAFETY PILOT
3 104276 OWNER’S MANUAL HeaterCabinet GrillGuard Burners FrontPanel Figure 1 - Vent-Free Natural Gas Heater Control Knob Piezo Ignitor Button PRODUCTIDENTIFICATION LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of the Nationa...
Page 4 - Unusually Tight Construction
4 104276 NATURAL GAS HEATER CGN10RLA AIR FORCOMBUSTION ANDVENTILATION Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home ownersweather strip and caulk around windows anddoors to keep the cold ...
Page 5 - DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space
5 104276 OWNER’S MANUAL 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 confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless p...
Page 6 - Figure 2 - Ventilation Air from Inside Building; Figure 3 - Ventilation Air from Outdoors; VENTILATION AIR; Ventilation Air From Outdoors; Do not provide openings for
6 104276 NATURAL GAS HEATER CGN10RLA Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 Figure 2 - Ventilation Air from Inside Building AIR FORCOMBUSTION ANDVENTILATION Continued Figure 3 - Ve...
Page 7 - INSTALLATION; Figure 5 - Mounting Screw Locations; Marking Screw Locations; LOCATING HEATER
7 104276 OWNER’S MANUAL 36" 3" FLOOR CEILING Minimum Minimum TOf CarpetiCombustib 8" MinimumFromSides OfHeater RightSide LeftSide Figure 4 - Mounting Clearances As ViewedFrom Front of Heater INSTALLATION Mounting Screw Locations 10 7 / 8 " Minimum To Maintain 6" ClearanceFrom Wal...
Page 8 - Mark screw location on wall.; Installing Two Mounting Screws; Wall anchors and mounting screws; Attaching to Wall Stud Method; For attaching mounting screw to wall stud; Attaching to Wall Anchor Method; Removing Front Panel of Heater; Figure 6 - Folding Anchor
8 104276 NATURAL GAS HEATER CGN10RLA Figure 11 - Installing Bottom MountingScrew Installing Bottom MountingScrew 1. Locate bottom mounting hole. Thishole is near bottom on back panel ofheater (see Figure 11). 2. Mark screw location on wall. 3. Remove heater from wall. 4. If installing bottom mountin...
Page 9 - Figure 12 - Gas Connection; Hold pressure regulator with; WARNING: Never connect
9 104276 OWNER’S MANUAL EquipmentShutoff Valve * Figure 12 - Gas Connection * A CSA/AGA. design-certified equipment shutoff valve with 1/8" NPT tap is anacceptable alternative to test gauge connection. Purchase the optional CSA/AGA design-certified equipment shutoff valve from your dealer. See A...
Page 10 - FOR YOUR SAFETY; Figure 13 - Equipment Shutoff Valve; Figure 14 - Checking Gas Joints; Correct all leaks at once.; WARNING: Never use an open
10 104276 NATURAL GAS HEATER CGN10RLA OPERATINGHEATER FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance has a pilot which must be lighted by hand. When lighting thepilot, follow these instructions exactly. B. B E F O R E L I G H T I N G s m e l l a l l around the appliance area for gas. Besure ...
Page 11 - Control; Figure 17 - Burner Patterns; WARNING: When running; Shutting Off Heater; CAUTION: Do not try to adjust
11 104276 OWNER’S MANUAL Control Knobs Burners LOW OFF PILOT HIGH OFF PILOT OFF Figure 17 - Burner Patterns OPERATINGHEATER Continued TO TURN OFF GAS TO APPLIANCE MANUAL LIGHTING PROCEDURE TO SELECT HEATING LEVEL Pilot Burner Thermocouple Figure 16 - Pilot LIGHTING INSTRUCTIONS Figure 15 - Control K...
Page 12 - WARNING: Turn off heater; Figure 20 - Correct Burner Flame Pattern; BURNER FLAME PATTERN; Figure 18 - Correct Pilot Flame Pattern; Figure 19 - Incorrect Pilot Flame Pattern; CABINET; Air Passageways; Figure 22 - Pilot Inlet Air Hole
12 104276 NATURAL GAS HEATER CGN10RLA CLEANING ANDMAINTENANCE WARNING: Turn off heater and let cool before cleaning. ODS/PILOT AND BURNERORIFICE • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. CLEANING BURNERPILOT AIR INLET HOLE We recommend that you clean the unit e...
Page 13 - TROUBLESHOOTING; OBSERVED PROBLEM; All troubleshooting items are listed in
13 104276 OWNER’S MANUAL Continued TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Onlya qualified service person shouldservice and repair heater. OBSERVED PROBLEM When ignitor button is pressed and controlknob is pressed in and turned to the PILOTposition, there is no spark ...
Page 14 - REMEDY
14 104276 NATURAL GAS HEATER CGN10RLA REMEDY 1. Clean burner orifice(s) (see Cleaning and Maintenance, page 12) or replaceburner orifice(s) 2. Replace burner orifice(s)3. Contact local natural gas company 1. Contact local natural gas company2. Clean burner orifice(s) (see Cleaning and Maintenance, p...
Page 15 - IMPORTANT
15 104276 OWNER’S MANUAL 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 neighbor’s phone. Follow the gas supplier’s ...
Page 16 - PARTS UNDER WARRANTY; When Gas Pressure Is Too Low; SERVICE HINTS
16 104276 NATURAL GAS HEATER CGN10RLA REPLACEMENTPARTS Note: Use only original replacement parts. This will protect your warranty coverage forparts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealer from whom youpurchased this product. If they cannot sup-ply original replacement...
Page 17 - PARTS CENTRALS
17 104276 OWNER’S MANUAL PARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacementparts and accessories. Washer Equipment Co. 1715 Main StreetKansas City, MO 64108-2195KS, MO, AR816-842-3911www.washerparts.c...
Page 19 - PARTS LIST; KEY
19 104276 OWNER’S MANUAL PARTS LIST CGN10RLA This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 16 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 099467-07 Front Pane...
Page 20 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY; INTERNATIONAL; NOT A UPC
KEEP THIS WARRANTY WARRANTY INFORMATION 104276-01Rev. C02/00 LIMITED WARRANTY COMFORT GLOW VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of firstpurchase, provided that the product has be...