Desa CGP20LB Owner's Operation And Installation Manual

Blue-flame vent-free propane/lp gas heater

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BLUE-FLAME
VENT-FREE
PROPANE/LP
GAS HEATER
OWNER'S
OPERATION
AND INSTALLATION
MANUAL
RP30E
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S
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,*
IJi
CGP20B
CGP20LB
WARNING:
If the information
in this manual is not fol-
lowed 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 in-
structions.
• If you cannot reach your gas supplier, call the fire
department.
--
Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
WARNING:
Improper installation,
adjustment, alteration, service, or
maintenance
can cause injury or
property
damage.
Refer to this
manual for correct installation and
operational
procedures.
For as-
sistance or additional information
consult a qualified
installer,
ser-
vice agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided. Refer to Air for
Combustion and Ventilation sec-
tion on page 4 of this manual.
This appliance
may be Installed
In an aftermarket*
manufactured
(mobile)
home, where not prohibited
by state or local codes.
*Aftermsrket: Completion of sale, not for purpose of resale, from the manufacturer. (I.E. Installat;on of this product is
3ermltted after the manufactured (mobile) home Is sited)
This appliance
is only for use with the type of gas indicated
on the rating plata.
This appliance
is not €onvertible
for use with other gases.
Save this manual for future reference.

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  • Page 1 BLUE-FLAME VENT-FREE PROPANE/LP GAS HEATER OWNER'S OPERATION AND INSTALLATION MANUAL RP30E CGP20B CGP20LB WARNING: If the information in this manual is not fol- WARNING: Improper installation, adjustment, alteration, service, or lowed exactly, a fire or explosion may result causing maintenance can cause injury or property damage, personal injury, or loss of life.
  • Page 2: Safety Information

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER SAFETY Do not place pmpane/LP supply tank(s) 14. Do not use heater if any part has been inside any structure. Locate propane/ under water. Immediately call a quali- INFORMATION LP supply tank(s) outdoors. fied service technician to inspect the This heater shall not be installed in a room heater and to replace any part of...
  • Page 3 OWNER'S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES IgnitorButton Control Knob 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 heater has a piezo ignitor.
  • Page 4: Providing Adequate Ventilation

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION The National Fuel Gas Code (ANSI Z223.1, 1992 Section 5.3) defines a confined space The following is excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code.
  • Page 5: Air For Combustion Ventilation

    OWNER'S MANUAL AIR FOR 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 passageway s or ventilation gillls between the rooms.
  • Page 6 BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER AIR FOR COMBUSTION VENTILATION Continued VENTILATION AIR 12" Ventilation Air From Inside Building This fresh a ir wouldcome fromanadjoining Ventilation Grills unconfined s pace. When ventilating toan Into Adjoining Room, Ventilation adjoining unconfined s pace, y ou mustpro- Dption2 Gdils videtwo permanent openings: one within...
  • Page 7: Installation Items

    OWNER'S MANUAL LOCATING HEATER INSTALLATION CAUTION: This heater cre- ates warm air currents. These cu r- This heater is designed to be mounted on a NOTICE: This heater is intended rents move heat to wall surfaces wall. for use as supplemental heat. Use next to heater.
  • Page 8 BLUE-FLAME CGP2OB, CGP2OLB RP30E VENT-FREE PROPANE/LP HEATER INSTALLATION Methods For Attaching Mounting Bracket To Wall Continued Only use last hole on each end of mounting INSTALLING HEATER TO bracket to attach bracket to wall. These two On y Insert Mounting 32 1/2"...
  • Page 9 OWNER'S MANUAL INSTALLATION Placing Heater On Mounting Hold spacer in place with one hand. Bracket With other hand, insert mounting screw Continued through bottom mounting hole and 1. Locate two horizontal slots on back Attaching to Wall Anchor spacer. Place tip of screw in opening panel of heater.
  • Page 10 BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER INSTALLATION CAUTION: Use only new, CAUTION: Use pipe joint seal- Continued black iron or steel pipe. Inter- ant that is resistant to liquid pe- nally-tinned copper tubing may troleum (LP) gas. CONNECTING TO GAS be used in certain areas.
  • Page 11: Operating Heater

    OWNER'S MANUAL OPERATING INSTALLATION Check all joints from propane/LP sup- ply tank to manual shutoff valve (see HEATER Continued Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles CHECKING forming show a leak. CONNECTIONS Correct all leaks at once. READ BEFORE FORYOUR SAFETY...
  • Page 12: To Turn Off Gas To Appliance

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER TO TURN OFF GAS to the LOW position. The HEATER APPLIANCE main burner should light. Set control OPERATING Turn c°ntr°' kn°b c°untercl°ckwise Continued knob toany heat level betweenHIGH andLOW.Toturncontrolknobfrom Shutting Off Heater LOW to a higher setting, press in the Turn control knob clockwise control knob and turn counterclock- INSTRUCTIONS...
  • Page 13: Inspecting Burner

    OWNER'S MANUAL CLEANING BURNER FLAME PATTERN INSPECTING MAINTENANCE BURNER Figure 20 shows a correct burner flame pattern. Figure 21 shows an incorrect burner Check pilot flame pattern and burner flame flame pattern. The incorrect burner flame _lL WARNING: Turn off heater pattern often.
  • Page 14: Troubleshooting

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER TROUBLESHOOTING WARNING: Turn off and CAUTION: Never use a wire, unplug heater and let cool be- needle, or similar object to clean Note: All troubleshooting items are listed fore servicing, Only a qualified ODS/pilot.
  • Page 15 OWNER'S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Delayed ignition of burner Manifold pressure is too low Contact local propane/LP gas company Burner orifice is clogged Clean burner (see Cleaning and Main- tenance, page 13) or replace burner orifice 1.
  • Page 16 BLUE-FLAME CGP2OB, CGP2OLB RP3OE VENT-FREE PROPANE/LP HEATER 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.
  • Page 17: Specifications

    OWNER'S MANUAL REPLACEMENT SPECIFICATIONS PARTS RP30E CGP20(L)B Btu(Variable) 15,000130,000 10,000120,000 Note: Use only original replacement parts. This will protect your warranty coverage for Type Gas Propane/LP Only Propane/LP Only parts replaced under warranty. Ignition Piezo Piezo Pressure Regulator Setting 8" W.C. 8"...
  • Page 18: Illustrated Parts Breakdown

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER ILLUSTRATED PARTS BREAKDOWN RP30E ODS/PILOT t_f2...
  • Page 19: Parts List

    OWNER'S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual. RP30E PART NUMBER DESCRIPTION OTY. 098304-01 Screw, #10 x 3/8" 098345-01AC Front Panel Grill Guard 103476-02...
  • Page 20 BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER ILLUSTRATED PARTS BREAKDOWN CGP20B CGP20LB ODS/PILOT I0_12...
  • Page 21 OWNER'S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual. CGP20B CGP20LB PART QTY. NUMBER DESCRIPTION 098304-01 Screw, #10 x 3/8" 098742-03 Front Panel (CGN20B) 098742-19...
  • Page 22: Manual Shutoffvalve

    BLUE-FLAME CGP20B, CGP20LB RP30E VENT-FREE PROPANE/LP HEATER ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central or call DESA International's Parts Department at 1-800-972-7879 for referral information. You can also write to the ad- dress listed on the back page of this manual.
  • Page 23 OWNER'S MANUAL These Parts Centrals are privately owned businesses. They have agreed to suppon our PARTS CENTRALS customer's needs by providing original replacement parts and accessories. When calling a Parts Central, ask for the Parts Department. Master Parts Distributor Dayton Baltimore Electric Hardware...
  • Page 24: Warranty

    WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased 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.

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