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VENT-FREE PROPANE GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
WARNING: If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury, or loss of life.
— Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• 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.
— Installation and service must be performed by a qualified installer, service
agency, or the gas supplier.
Model: CGP11A
Save this manual for future reference.
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Table of Contents
Related Manuals for Desa Comfort Glow CGP11A
Summary of Contents for Desa Comfort Glow CGP11A
- Page 1 • If you cannot reach your gas supplier, call the fire department. — Installation and service must be performed by a qualified installer, service agency, or the gas supplier. Save this manual for future reference. Model: CGP11A ®...
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Page 2: Table Of Contents
CONTENTS SECTION Safety Information ... 2 Product Identification ... 4 Local Codes ... 4 Unpacking ... 4 Product Features ... 4 Fresh Air For Combustion and Ventilation ... 5 Installing To Wall ... 9 Connecting To Gas Supply ... 13 Checking Gas Connections ... - Page 3 SAFETY INFORMATION Continued 100846 WARNINGS WARNING ICON G 001 WARNING: Any change to this heater or its controls can be dangerous. 1. Use only propane gas. Do not convert heater to use different fuel type. 2. Do not place propane supply tank(s) inside any structure. Locate propane supply tank(s) outdoors.
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Page 4: Product Identification
PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURES Front Panel Figure 1 - Vent-Free Propane Gas Heater 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*. -
Page 5: Fresh Air For Combustion And Ventilation
FRESH AIR COMBUSTION VENTILATION 100846 WARNING ICON G 001 This heater must have fresh air for proper operation. If not, poor fuel combustion could result. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. - Page 6 FRESH AIR COMBUSTION VENTILATION Continued 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 passageways or ventilation grills between the rooms.
- Page 7 FRESH AIR COMBUSTION VENTILATION Continued 100846 VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12"...
- Page 8 FRESH AIR COMBUSTION 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 these items directly to the outdoors or spaces open to the outdoors.
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Page 9: Installing To Wall
INSTALLING TO WALL 100846 A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only propane gas. If your gas supply is not propane, 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 below: •... - Page 10 INSTALLING TO WALL Continued For convenience and efficiency, install heater • where there is easy access for operation, inspection, and service • in coldest part of room 8" Minimum From Sides Of Heater Left Side Figure 4 - Mounting Clearances As Viewed From Front of Heater INSTALLING HEATER TO WALL Marking Screw Locations 1.
- Page 11 INSTALLING TO WALL Continued 100846 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.
- Page 12 INSTALLING TO WALL Continued 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 9 - Location Of Keyhole Slots On Back Panel Of Heater Removing Front Panel Of Heater 1.
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Page 13: Connecting To Gas Supply
CONNECTING TO GAS SUPPLY 100846 A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON Never connect heater directly to the propane supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane supply. -
Page 14: Checking Gas Connections
CONNECTING TO GAS SUPPLY Continued CHECKING CONNECTIONS Hold pressure regulator with wrench when connecting it to gas IMPORTANT: piping and/or fittings. 3/8" NPT Pipe Nipple Ground Joint Union Manual Shutoff Valve * From External Regulator (11" W.C. to 14" W.C. Pressure) 3"... - Page 15 CHECKING CONNECTIONS Continued 100846 3. Pressurize supply piping system by either using compressed air or opening propane supply tank valve. 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.
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Page 16: Operating Heater
OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING 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. - Page 17 OPERATING HEATER Continued 100846 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you then smell gas, STOP! Follow “B” in the safety infor- mation at the top of page 16. If you don’t smell gas, go to the next step. 5.
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Page 18: To Select Heating Level
OPERATING HEATER Continued TO SELECT HEATING LEVEL 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. WARNING ICON Do not try to adjust heating levels by using the manual shutoff valve. -
Page 19: Inspecting Burner
OPERATING HEATER Continued INSPECTING BURNER 100846 TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise Shutting Off Burner Only (pilot stays lit) 1. Turn control knob clockwise MANUAL LIGHTING PROCEDURE 1. Remove front panel (see Figure 10, page 12). 2. - Page 20 INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 21 shows a correct burner flame pattern. Figure 22 shows an incorrect burner flame pattern. Figure 21 - Correct Burner Flame Pattern Figure 22 - Incorrect Burner Flame Pattern If burner flame pattern is incorrect, as shown in Figure 22 •...
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Page 21: Cleaning And Maintenance
CLEANING MAINTENANCE TROUBLE- SHOOTING Note: All troubleshooting items are listed in order of operation. 100846 WARNING ICON G 001 Turn off heater and let cool before cleaning. WARNING ICON You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. - Page 22 TROUBLE- SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE When ignitor button 1. Gas supply turned off is pressed and control or manual shutoff knob is pressed in valve closed and turned to the 2. Control knob not in PILOT position, PILOT position there is spark at 3.
- Page 23 TROUBLE- SHOOTING Continued 100846 OBSERVED POSSIBLE PROBLEM CAUSE Burner(s) does not 1. Burner orifice(s) is light after ODS/pilot clogged is lit 2. Burner orifice(s) diameter is too small 3. Inlet gas pressure is too low Delayed ignition of 1. Manifold pressure is burner(s) too low 2.
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Page 24: Technical Service
2. Gas leak. See Warn- ing statement at top of page You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190. WARNING REMEDY 1. Ventilate room. Stop... -
Page 25: Specifications
Usually, we will ask you to return the defective part to the factory. Parts Not Under Warranty Contact authorized dealers of this product. If they cannot supply original replace- ment part(s), call DESA International’s Parts Department at (502) 781-9600 for information. When calling DESA International, have ready: •... -
Page 26: Parts Centrals
Send a check for $5.00 payable to DESA International. Purchase this heater accessory from your local dealer. If they cannot supply this accessory, either contact your nearest Parts Central (see above) or call DESA International’s Parts Department at 1-800-972-7879 for information. You can also write to the address listed on the back page of this manual. -
Page 27: Parts List
PARTS LIST PART NUMBER DESCRIPTION 098304-01 Screw, #10 x 3/8" 099467-02 Front Panel Assembly 099318-03 Grill Guard 098342-01 Grill Guard Clip 099469-02 Reflector Assembly M15823-37 Screw Hex #8 x 1/4" 099059-03 ODS/Pilot Assembly 098514-01 Thermocouple 098594-01 Ignitor Electrode 099884-02 Burner Assembly 099056-01 Injector 099390-02... -
Page 28: Warranty Information
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.