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VENT-FREE NATURAL GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Model: CGN12
WARNING: If the information in this manual WARNING: Improper installation,
is not followed exactly, a fire or explosion
adjustment, alteration, service, or
may result causing property damage, per-
maintenance can cause injury or
sonal injury, or loss of life.
property damage. Refer to this
— Do not store or use gasoline or other
manual for correct installation and
flammable vap
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SECTION PAGE CONTENTS Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ................................................................................... 4 Unpacking...................................................................................... 4 Product Features ............................................................................
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SAFETY ! WARNINGS Continued WARNING ICON G 001 1. Use only natural gas. Do not convert heater to use different fuel type. INFORMATION 2. If you smell gas Continued • 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 instructions • if you cannot reach your gas supplier, call the fire department 3. Never install the heater • i
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Control Knob PRODUCT IDENTIFICATION Grill Guard Burners Heater Front Cabinet Panel Figure 1 - Vent-Free Natural Gas Heater Install and use heater with care. Follow all local codes. In the absence of local LOCAL CODES 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, Inc. Batterymarch Park Quincy, MA 02269 1. Remove he
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INSTALLING NOTICE A qualified service person must install heater. Follow all local TO WALL codes. 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 below. • piping (check local codes) • test gauge connection * (see • sealant (resistant to propane gas) Figure 10, page 10) • manual shutoff valve * • sediment trap •
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CEILING INSTALLING TO WALL Continued 36" Minimum 8" Minimum From Sides Of Heater Right Side Left Side 3" Minimum To Top Surface Of Carpeting, Tile Or Other Combustible Material FLOOR Figure 2 - Mounting Clearances As Viewed From Front of Heater INSTALLING HEATER TO WALL Marking Screw Locations 1. Determine where you will locate heater. ! WARNING WARNING ICON G 001 Maintain minimum clearances shown in Figure 3. If you can, provide greater clearances from floor and joining wall. 2. Mark two moun
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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" space (thickness of penny) is between screwhead and wall. Attaching to wall anchor method Follow instructions below to attach mounting screws to hollow walls (wa
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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. Keyhole Slots Figure 7 - Location Of Keyhole Slots On Back Panel Of Heater Removing Front Panel Of Heater 1. Remove two screws near bottom corners of front panel. 2. Lift straight up on grill guard until it stops. Grill guard will slide up about 1/4". 3. Pull bottom of front panel forw
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CONNECTING NOTICE A qualified service person must connect heater to gas supply. TO GAS Follow all local codes. SUPPLY ! WARNING WARNING ICON G 001 Never connect heater to private (non-utility) gas wells. This gas is commonly known as well-head gas. IMPORTANT: Check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, heater regulator damage could occur. ! CAUTION WARNING ICON G 001 Use only new, b
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IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Pressure Regulator 3/8" NPT Pipe Nipple Heater Cabinet Ground Joint Union Manual Tee Joint Shutoff Valve * Reducer Test Bushing to Gauge From Gas Meter 1/8" NPT Connection * (4" W.C. to 10.5" W.C. Pressure) 1/8" NPT Plug Tap Tee 3" Minimum Joint Sediment Pipe Trap Nipple Cap Figure 10 - Gas Connection * An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative t
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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 located on or near gas meter. 3. Check all joints from gas meter to manual shutoff valve (see Figure 12). Apply mixture of liquid soap and water to gas j
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FOR YOUR SAFETY READ BEFORE LIGHTING OPERATING HEATER ! WARNING WARNING ICON G 001 If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. 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
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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, the control knob may need to be pressed in for 30 seconds. This will allow air to bleed from the gas system. • If control knob does not pop up when released,
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TO SELECT HEATING LEVEL ! WARNING WARNING ICON G 001 When running heater, set control knob at LOW or HIGH locked positions. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result. ! CAUTION WARNING ICON G 001 Do not try to adjust heating levels by using the manual shutoff valve. C-clockwise 1. Slightly press in control knob and turn counterclockwise to the LOW or HIGH positions. IMPORTANT: Release downward pressure while turning con
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TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Clockwise 1. Turn control knob clockwise to the OFF position. Shutting Off Burner Only (pilot stays lit) Clockwise 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 12 and 13. 3. With control knob pressed in, strike match. Hold match to pilot until pilot lights. 4. Keep control knob pressed in for 10 seconds af
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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 TROUBLESHOOTING, pages 17 through 20 16
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CLEANING ! WARNING WARNING ICON G 001 AND Turn off heater and let cool before cleaning. MAINTENANCE ! CAUTION WARNING ICON G 001 You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, etc. ODS/PILOT AND BURNER ORIFICE • Use a vacuum cleaner, pressurized air, or small
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OBSERVED POSSIBLE PROBLEM CAUSE REMEDY When control knob is 1. Gas supply turned off or 1. Turn on gas supply or pressed in and turned manual shutoff valve open manual shutoff to the PILOT/IGN po- closed valve sition, there is spark at 2.Control knob not 2. Press in control knob ODS/pilot but no igni- pressed in while being while turning to PILOT/ tion turned to PILOT/IGN IGN position position 3. Air in gas lines when 3. Continue holding down installed control knob. Repeat ig- niting operation u
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OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Burner(s) does not 1. Burner orifice(s) is 1. Clean burner orifice(s) light after ODS/pilot is clogged (see CLEANING AND lit MAINTENANCE, page 17) or replace burner orifice(s) 2. Burner orifice(s) di- 2. Replace burner orifice(s) ameter is too small 3. Inlet gas pressure is too 3. Contact local natural gas low company Delayed ignition of 1. Manifold pressure is too 1. Contact local natural gas burner(s) low company 2. Burner orifice(s) is 2. Clean burner or
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! WARNING WARNING ICON G 001 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 instructions. • If you cannot reach your gas supplier, call the fire department. OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Heater produces un- 1. Heater burning vapors 1. Ventilate room. Stop us- wanted odors from paint, hair spray,
