Desa CBN20, CBP20, SBN20, SBP20, CBN20T, CBP20T, CBN30T, CBP30T, CBT20NT, CBT20PT, CBT30NT, CBT30PT, CBN20TK, CBP20TK Safety And Installation Manual
Desa unvented (vent-free) blue flame gas heater installation manual cbn20, cbp20, sbn20, sbp20, cbn20t, cbp20t, cbn30t, cbp30t, cbt20nt, cbt20pt, cbt30nt, cbt30pt, cbn20tk, cbp20tk
Table of Contents
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UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
CBN20, CBP20, SBN20, SBP20, CBN20T, CBP20T,
CBN30T, CBP30T, CBT20NT, CBT20PT, CBT30NT, CBT30PT,
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 instructions.
• 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.
For more information, visit www.desatech.com
CBN20TK, CBP20TK
Save this manual for future reference.
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Table of Contents
Related Manuals for Desa CBN20, CBP20, SBN20, SBP20, CBN20T, CBP20T, CBN30T, CBP30T, CBT20NT, CBT20PT, CBT30NT, CBT30PT, CBN20TK, CBP20TK
Summary of Contents for Desa CBN20, CBP20, SBN20, SBP20, CBN20T, CBP20T, CBN30T, CBP30T, CBT20NT, CBT20PT, CBT30NT, CBT30PT, CBN20TK, CBP20TK
- Page 1 UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL CBN20, CBP20, SBN20, SBP20, CBN20T, CBP20T, CBN30T, CBP30T, CBT20NT, CBT20PT, CBT30NT, CBT30PT, 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.
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Page 2: Table Of Contents
WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier. WARNING: This is an unvented gas-fired heater. -
Page 3: Safety Information
SAFETY INFORMATION IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, op- erate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning:... -
Page 4: Local Codes
SAFETY INFORMATION Continued 4. This heater shall not be installed in a bedroom or bathroom. 5. This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. -
Page 5: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. -
Page 6: Air For Combustion
AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a con- fined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless pas- sageways or ventilation grills between the rooms. -
Page 7: Installation
AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un- confined space. When ventilating to an adjoining unconfined space, you must provide two perma- nent openings: one within 12” of the ceiling and one within 12”... - Page 8 INSTALLATION Continued INSTALLATION ITEMS Before installing heater, make sure you have the items listed below. • for propane/LP gas, external regulator (supplied by installer) • piping (check local codes) • sealant (resistant to propane/LP gas) • equipment shutoff valve * •...
- Page 9 INSTALLATION Continued THERMOSTAT SENSING BULB The thermostat sensing bulb is below the heater. 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in hardware package. 2. Snap clamp into upper mounting hole as shown in Figure 5.
- Page 10 INSTALLATION Continued 2. Mark screw locations on wall (see Figure 8). Note: Only mark last hole on each end of mounting bracket. Insert mounting screws through these holes only. 3. Remove tape and mounting bracket from 12" Min. Only Insert Mounting Screws Through Last Hole On Each End Floor...
- Page 11 INSTALLATION Continued Installing Bottom Mounting Screws 1. Locate two bottom mounting holes. These holes are near bottom on back panel of heater (see Figure 12). 2. Mark screw locations on wall. 3. Remove heater from mounting bracket. 4. If installing bottom mounting screws into hollow or solid wall, install wall anchors.
- Page 12 INSTALLATION Continued Propane/LP Supply Tank Figure 14 - External Regulator With Vent Pointing Down www.desatech.com External Regulator Vent Pointing Down 107882-01K...
- Page 13 INSTALLATION Continued Note: Burner bracket not shown for clarity Pressure Regulator 3/8" NPT Pipe Nipple Joint Pipe Nipple Natural Gas From Gas Meter (4" W.C. to 10.5" W.C. Pressure) Propane/LP From External Regulator (11" W.C. to 14" W.C. Pressure) Figure 15 - Gas Connection * A CSA design-certified equipment shutoff valve with 1/8"...
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Page 14: Operating Heater
INSTALLATION Continued PRESSURE TESTING HEATER GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 16, page 13). 2. For natural gas open main gas valve located on or near gas meter. For propane/LP gas open propane/LP supply tank valve. 3. Make sure control knob of heater is in the OFF position. - Page 15 OPERATING HEATER Continued 5. Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 19). Note: You may be running this heater for the first time after hooking up to gas sup- ply.
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Page 16: Inspecting Heater
OPERATING HEATER Continued MANUAL LIGHTING PROCEDURE 1. Remove front panel (see Figure 7, page 9). 2. Follow steps 1 through 5 under Lighting Instructions, page 14. 3. With control knob pressed in, strike match. Hold match to pilot until pilot lights. 4. -
Page 17: Cleaning And Maintenance
CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. -
Page 18: Specifications
Btu (Variable) Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure (in. of water) Maximum Minimum Dimensions, Inches (H x W x D) Heater (With knobs & grill) 26.25x18.25x7 Carton Weight (pounds) Heater Shipping Btu (Variable) Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure (in. -
Page 19: Troubleshooting
WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot... - Page 20 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burner does not light after ODS/ pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial operation TROUBLESHOOTING Continued...
- Page 21 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’s phone. Fol- low the gas supplier’s instructions.
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Page 22: Service Hints
If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. You can also visit DESA Heating Productsʼ techni- cal service web site at www.desatech.com SERVICE PUBLICATIONS You can purchase a service manual from the address listed on the back page of this manual. -
Page 23: Accessories
If they can not supply these accessories, either contact your nearest Parts Central (see page 30) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. -
Page 24: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN MODELS CBN20 CBP20 SBN20 SBP20 www.desatech.com 107882-01K... -
Page 25: Parts List
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. PART NUMBER CBN20 SBN20 097159-04 107954-01 107879-02 110038-03 107677-01 098260-12 107894-08 098271-09 098249-01 110803-01 110186-01 103446-01 099387-05 103845-06... - Page 26 ILLUSTRATED PARTS BREAKDOWN MODELS CBN20T, CBP20T CBN30T, CBP30T CBN20TK, CBP20TK www.desatech.com 107882-01K...
- Page 27 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. PART NUMBER KEY CBN20T CBP20TK CBN20TK CBP20T 097159-04 097159-04 097159-04 107954-01 107954-01 107955-01 107879-02 107879-02 107879-01 098522-28 098522-11 098522-12 107677-01...
- Page 28 ILLUSTRATED PARTS BREAKDOWN MODELS CBT20NT, CBT20PT CBT30NT, CBT30PT Battery Negative www.desatech.com Install Battery According To This Illustration (Determine which ignitor your heater uses) Battery Positive 107882-01K...
- Page 29 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. CBT20NT CBT20PT 111435-01 111435-01 107954-03CV 107954-03CV 107955-03CV 107955-03CV Front Panel 107879-02 107879-02 098522-28 098522-11 107677-01 107677-01 098260-12 098260-12...
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Page 30: Parts Centrals
These Parts Centrals are privately owned businesses. They have agreed to support our customerʼs needs by providing original replacement parts and accessories. Tool and Equipment, Co. 5 Manila Ave Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Portable Heater Parts 342 N. County Rd. 400 East Valparaiso, IN 46383-9704 219-462-7441 1-888-619-7060... - Page 31 _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 107882-01K NOTES www.desatech.com...
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Page 32: Warranty Information
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heat- ing Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.