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BLUE FLAME VENT-FREE
PROPANE/LP GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
CGP20T
CGP20TL
CGP30T
CGP30TL
Heater Sizes: 20,000 Btu/Hr Thermostat and
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.
30,000 Btu/Hr Thermostat Model Heaters
Save this manual for future reference.
WARNING: This is an
unvented gas-fired heater.
It uses air (oxygen) from
the room in which it is
installed. Provisions for
adequate combustion
must be provided. Refer to
page 5 of this manual
This appliance may be in-
stalled in an aftermarket*
manufactured (mobile) home,
where not prohibited by state
or local codes.
* Aftermarket: Completion of sale,
not for purpose of resale, from the
manufacturer
This appliance is only for use
with the type of gas indicated
on the rating plate. This appli-
ance is not convertible for
use with other gases.
®
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Table of Contents
Related Manuals for Comfort Glow CGP20T
Summary of Contents for Comfort Glow CGP20T
- Page 1 BLUE FLAME VENT-FREE PROPANE/LP GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL CGP20T CGP20TL CGP30T ® CGP30TL Heater Sizes: 20,000 Btu/Hr Thermostat and 30,000 Btu/Hr Thermostat Model Heaters WARNING: This is an WARNING: If the information in this manual is unvented gas-fired heater.
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Page 2: Table Of Contents
CONTENTS SECTION PAGE Safety Information ..................2 Product Identification ................. 4 Local Codes ....................4 Unpacking ....................4 Product Features ..................4 Air For Combustion and Ventilation ............5 Installing To Wall ..................9 Connecting To Gas Supply ................. 14 Checking Gas Connections ................. - Page 3 SAFETY WARNINGS Continued WARNING ICON G 001 INFORMATION WARNING: Any change to this heater or its controls can be dangerous. Continued 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2.
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Page 4: Product Identification
Ignitor Button Control Knob PRODUCT IDENTIFICATION Grill Guard Glass Panel Front Panel Heater Cabinet Figure 1 - Vent-Free Propane/LP Gas Heater (30,000 Btu/Hr Model Shown) Install and use heater with care. Follow all local codes. In the absence of local codes, use LOCAL CODES the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. -
Page 5: Air For Combustion And Ventilation
AIR FOR WARNING WARNING ICON G 001 COMBUSTION This heater shall not be installed in a confined space unless provi- sions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this VENTILATION and other fuel-burning appliances in your home. - Page 6 DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION AIR FOR Determining if You Have a Confined or Unconfined Space COMBUSTION 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 VENTILATION with doorless passageways or ventilation grills between the rooms.
- Page 7 AIR FOR WARNING WARNING ICON G 001 COMBUSTION If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combustion and ventilation air by one of the methods described in the National Fuel VENTILATION Gas Code, ANSI Z223.1, 1992, Section 5.3 or applicable local codes .
- Page 8 Ventilation Air From Outdoors AIR FOR Provide extra fresh air by using ventilation grills or ducts. You must provide two COMBUSTION permanent 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. These spaces include attics and crawl spaces.
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Page 9: Installing To Wall
INSTALLING TO NOTICE WALL A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only propane/LP gas. If your gas supply is not propane/LP, 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. - Page 10 INSTALLING TO CAUTION WARNING ICON G 001 WALL If you install the heater in a home garage • heater pilot and burner must be at least 18 inches above floor Continued • locate heater where moving vehicle will not hit it For convenience and efficiency, install heater •...
- Page 11 INSTALLING TO INSTALLING HEATER TO WALL Mounting Bracket WALL The mounting bracket is located on back panel of heater. It has been taped there for shipping. Remove mounting bracket from back panel. Continued Mounting Bracket Figure 6 - Bracket Location Removing Front Panel Of Heater 1.
- Page 12 Marking Screw Locations INSTALLING TO 1. Tape mounting bracket to wall where heater will be located. Make sure mounting WALL bracket is level. Continued WARNING WARNING ICON G 001 Maintain minimum clearances shown in Figure 8. If you can, provide greater clearances from floor and joining wall.
- Page 13 4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to INSTALLING TO “pop” open anchor wings. IMPORTANT: Do not hammer key! WALL For thick walls (over 1/2" thick) or solid walls, do not pop open wings. Continued Figure 10 - Popping Open Anchor Wings For Thin Walls 5.
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Page 14: Connecting To Gas Supply
CONNECTING NOTICE TO GAS A qualified service person must connect heater to gas supply. Follow all local codes. SUPPLY CAUTION WARNING ICON G 001 Never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane/LP supply. -
Page 15: Checking Gas Connections
IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/ CONNECTING or fittings. TO GAS Pressure SUPPLY Regulator Continued 3/8" NPT Pipe Nipple Heater Cabinet Ground Joint Union Tee Joint Manual Shutoff Test Reducer Valve * Bushing to Gauge 1/8"... - Page 16 3. Pressurize supply piping system by either using compressed air or CHECKING opening propane/LP 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. CONNECTIONS 5.
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Page 17: Operating Heater
OPERATING FOR YOUR SAFETY READ BEFORE LIGHTING 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. - Page 18 OPERATING 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 HEATER top of page 17. If you don’t smell gas, go to the next step. Continued 5.
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Page 19: Manual Lighting Procedure
OPERATING TO TURN OFF GAS TO APPLIANCE HEATER Shutting Off Heater Continued 1. Turn control knob clockwise to the OFF position. Clockwise 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1. -
Page 20: Inspecting Burner
Check pilot flame pattern and burner flame pattern often. INSPECTING BURNER PILOT FLAME PATTERN Figure 19 shows a correct pilot flame pattern. Figure 20 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. - Page 21 BURNER FLAME PATTERN INSPECTING Figure 21 shows a correct burner flame pattern. Figure 22 shows an incorrect burner BURNER flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than 1/2 the glass panel height. Continued WARNING WARNING ICON...
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Page 22: Cleaning And Maintenance
CLEANING WARNING WARNING ICON G 001 Turn off heater and let cool before cleaning. MAINTENANCE CAUTION WARNING ICON G 001 You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. - Page 23 OBSERVED POSSIBLE TROUBLE- PROBLEM CAUSE REMEDY SHOOTING When ignitor button 1. Gas supply turned off or 1. Turn on gas supply or open Continued is pressed, there is manual shutoff valve manual shutoff valve spark at ODS/pilot closed 2. Turn control knob to but no ignition 2.
- Page 24 OBSERVED POSSIBLE TROUBLE- PROBLEM CAUSE REMEDY SHOOTING Burner does not light 1. Burner orifice is 1. Clean burner (see Cleaning Continued after ODS/pilot is lit clogged and Maintenance, page 22) or replace burner orifice 2. Burner orifice diameter 2. Replace burner orifice is too small 3.
- Page 25 TROUBLE- WARNING WARNING ICON G 001 SHOOTING If you smell gas • Shut off gas supply. Continued • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. •...
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Page 26: Technical Service
You may have further questions about installation, operation, or troubleshooting. TECHNICAL If so, contact DESA International’s Technical Service Department at 1-800-323-5190. SERVICE CGP20T/CGP20TL CGP30T/CGP30TL SPECIFICATIONS 20,000 Btu/Hr Models 30,000 Btu/Hr Models Btu (Variable) 10,000/20,000 15,000/30,000 Type Gas Propane/LP Only Propane/LP Only... -
Page 27: Replacement Parts
Note: Use only original replacement parts. This will protect your warranty coverage REPLACEMENT for parts replaced under warranty. PARTS Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central (see below) or call DESA International’s Technical Service Department at 1-800-323-5190 for referral information. -
Page 28: Illustrated Parts List
103875... -
Page 29: Parts List
PART NUMBER FOR CGP20T/CGP20TL CGP30T/CGP30TL 20,000 Btu/Hr 30,000 Btu/Hr DESCRIPTION QTY. 098304-01 098304-01 Screw, #10 x 3/8" 098742-03 098742-04 Front Panel for CGP20T/CGP30T (Champagne) 098742-19 098742-20 Front Panel for CGP20TL/CGP30TL (Ivory) 103476-01 103476-02 Grill Guard 101108-01 101108-01 Removable Speed Clip 098533-04AA 098533-05AA... -
Page 30: Accessories
Includes three settings: ON/OFF/AUTO. FLOOR MOUNTING STAND 20,000 Btu/Hr Models CGP20TL - GA4500L - Ivory CGP20T - GA4500 - Champagne 30,000 Btu/Hr Models CGP30TL - GA4510L - Ivory CGP30T - GA4510 - Champagne For locating heater on the floor, away from a wall. - Page 31 NOTES ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 103875...
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Page 32: Warranty Information
We make no other warranty, expressed or implied. LIMITED WARRANTY COMFORT GLOW VENT-FREE PROPANE/LP GAS HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.