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Desa CGP20 - page 1
OWNER’S OPERA TION AND INST ALLA TION MANUAL MODELS: CGP20, CGP20L, AND RP30D BLUE-FLAME VENT -FREE PROP ANE/LP GAS HEA TER ® Save this manual for future reference. RP30D CGP20 CGP20L This appliance may be installed in an aftermarket* man ufactured (mobile) home, where not prohibited by state or local codes. *Aftermarket: Completion of sale, not ...
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Desa CGP20 - page 2
2 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D PRODUCT FEA TURES Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System (ODS). The ODS/pilot is a required feature for vent- free heaters. The ODS/pilot shuts off the heater if there is not enough fresh air. Piezo Ignition System This heate ...
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Desa CGP20 - page 3
3 103569 OWNER’S MANUAL PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Propane/LP Gas Heater Ignitor Button Control Knob Heater Cabinet Front Panel Heat Shield (RP30D) or Glass Panel (CGP20[L]) Grill Guard AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new co ...
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Desa CGP20 - page 4
4 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D Continued WARNING: If the area in which the heater may be oper- ated is smaller than that defined as an unconfined space, provide adequate combustion and venti- lation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or ap ...
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Desa CGP20 - page 5
5 103569 OWNER’S MANUAL Figure 2 - Ventilation Air from Inside Building Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 AIR FOR COMBUSTION AND VENTILA TION Continued Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated ...
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Desa CGP20 - page 6
6 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D CAUTION: If you install the heater in a home garage • heater pilot and burner must be at least 18 inches above floor • locate heater where moving vehicle will not hit it For convenience and efficiency, install heater • where there is easy access for operation, insp ...
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Desa CGP20 - page 7
7 103569 OWNER’S MANUAL INSTALLING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater. It has been taped there for shipping. Remove mounting bracket from back panel. Figure 5 - Mounting Bracket Location Removing Front Panel Of Heater 1. Remove two screws near bottom cor- ners of front panel. 2. Lift straight u ...
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Desa CGP20 - page 8
8 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D Continued CONNECTING TO GAS SUPPL Y The installer must supply an external regu- lator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incom- ing gas pressure, heat ...
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Desa CGP20 - page 9
9 103569 OWNER’S MANUAL Figure 13 - Gas Connection * An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Pur- chase the optional A.G.A. design certified manual shutoff valve from your dealer. See Accessories , page 17. IMPORTANT: Hold pressure regulator with wrench when con ...
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Desa CGP20 - page 10
10 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D 4 . W ait 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 in- formation in the first column. If you don’t smell gas, go to the next step. 5. Press in contr ol knob and turn coun ...
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Desa CGP20 - page 11
11 103569 OWNER’S MANUAL 1/2 HEAT SHIELD OR GLASS HEIGHT INCORRECT FLAME PATTERN AT HIGH POSITION OPERA TING HEA TER Continued CAUTION: Do not try to ad- just heating levels by using the manual shutoff valve. 8. T urn control knob counterclockwise to the LOW position. The main burner should light. Set contr ol knob to any heat level between HIGH ...
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Desa CGP20 - page 12
12 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and unplug heater and let cool be- fore servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object ...
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Desa CGP20 - page 13
13 103569 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit POSSIBLE CAUSE 1. Manifold pressure is too low 2. Burner orifice is clogged 1. ...
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Desa CGP20 - page 14
14 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D TROUBLESHOOTING 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? ...
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Desa CGP20 - page 15
15 103569 OWNER’S MANUAL TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. SPECIFICA TIONS RP30D CGP20(L) Btu (Variable) 15,000/30,000 10,000/20,000 Type Gas Propane/LP Only Propane/LP Only Ignition Piezo Piez ...
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Desa CGP20 - page 16
16 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D REPLACEMENT PA R T S Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), either conta ...
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Desa CGP20 - page 17
17 103569 OWNER’S MANUAL ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 16) or call DESA International’s Parts Department at 1-800- 972-7879 for referral information. You can also write to the address listed on the back page of t ...
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Desa CGP20 - page 18
18 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D 1 2 4 5 6 7 8 8 9 10 11 12 15 17 19 21 22 23 24 20 27 26 18 14 16 25 3 13 ODS/PILOT 10-1 10-2 ILLUSTRA TED PA R T S BREAKDOWN RP30D ...
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Desa CGP20 - page 19
19 103569 OWNER’S MANUAL P ARTS LIST RP30D This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed 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 098345-01AC Front Panel 1 3 103476-02 Grill Guard 1 4 101108-01 Clip ...
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Desa CGP20 - page 20
20 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D ODS/PILOT 12-1 12-2 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 17 19 27 21 23 24 25 26 22 29 28 20 16 18 15 ILLUSTRA TED PA R T S BREAKDOWN CGP20 CGP20L ...
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Desa CGP20 - page 21
21 103569 OWNER’S MANUAL P ARTS LIST CGP20 CGP20L This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed 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 098742-03 Front Panel (CGN20) 1 098742-19 Front Panel, Ivory ...
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Desa CGP20 - page 22
22 103569 VENT -FREE PROP ANE/LP GAS HEA TER BLUE-FLAME CGP20, CGP20L AND RP30D NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ ________________________________________________________________________ ...
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Desa CGP20 - page 23
23 103569 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________ ...
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Desa CGP20 - page 24
KEEP THIS WARRANTY W ARRANTY INFORMA TION Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. Model Serial No. Date Purchased LIMITED ...
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