Desa CBP20T - Manuals - manualsarea.com

Page 2 - TABLE OF CONTENTS

www.desatech.com 107882-01K 2 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, servi...

Page 3 - SAFETY INFORMATION; Get

www.desatech.com 107882-01K 3 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...

Page 4 - LOCAL CODES; National Fuel Gas Code, ANSI; Continued; Front Panel; UNPACKING; SAFETY DEVICE

www.desatech.com 107882-01K 4 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 availab...

Page 5 - National Fuel; Unusually Tight Construction

www.desatech.com 107882-01K 5 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 f...

Page 6 - National Fuel Gas Code,; AIR FOR COMBUSTION

www.desatech.com 107882-01K 6 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used. _______________ Btu/Hr (maximum the space can support) _______________ Btu/Hr (actual amount of Btu/Hr used) Example: 51,200 Btu/Hr (maximum the space can support) 60,000 Btu/Hr (...

Page 7 - VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas; Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation; INSTALLATION; CHECK GAS TYPE

www.desatech.com 107882-01K 7 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” of the ﬂoor ...

Page 8 - INSTALLATION ITEMS; LOCATING HEATER; Accessories; Air

www.desatech.com 107882-01K 8 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 *• ground joint union• se...

Page 9 - THERMOSTAT SENSING BULB; shown in Figure 5. Clamp is provided in; Marking Screw Locations; mum clearances shown in Fig-; INSTALLING HEATER TO WALL; Mounting Bracket

www.desatech.com 107882-01K 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. Mounting ho...

Page 10 - Attaching Mounting Bracket To Wall; Horizontal Slots; Placing Heater On Mounting Bracket

www.desatech.com 107882-01K 10 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 INSTALLATION Continued Figure 8 - Mounting Bracket Clearances 18 3 / 4 &...

Page 11 - Installing Bottom Mounting Screws; Attaching To; Figure 12 - Installing Bottom Mounting; Wall

www.desatech.com 107882-01K 11 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 sol...

Page 12 - Figure 14 - External Regulator With; CONNECTING TO GAS SUPPLY

www.desatech.com 107882-01K 12 INSTALLATION Continued Figure 14 - External Regulator With Vent Pointing Down External Regulator Propane/LP Supply Tank Vent Pointing Down Typical Inlet Pipe Diameters 20,000 Btu/Hr Models - 3/8" or greater30,000 Btu/Hr Models - 1/2" or greater Installation mus...

Page 13 - Natural Gas; Burner bracket; CHECKING GAS CONNECTIONS; ing to Gas Supply; Figure 16 - Equipment Shutoff Valve

www.desatech.com 107882-01K 13 INSTALLATION Continued * A CSA design-certiﬁed equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certiﬁed equipment shutoff valve from your dealer. See Accessories , page 23. Figure 15 ...

Page 14 - Figure 18 - Checking Gas Joints for; OPERATING HEATER; FOR YOUR SAFETY; low these instructions exactly,; LIGHTING

www.desatech.com 107882-01K 14 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 OF...

Page 15 - Troubleshooting; just heating levels by using the; Figure 19 - Control Knob In The OFF; TO TURN OFF GAS; Shutting Off Heater; THERMOSTAT

www.desatech.com 107882-01K 15 OF F PIL OT 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. If so, the control knob may need to be pressed i...

Page 16 - Follow steps 1 through 5 under; Lighting; Hold match to pilot until pilot lights.; Lighting Instructions; INSPECTING HEATER; PILOT FLAME PATTERN; To Turn Off Gas to Appli-; Figure 22 - Incorrect Pilot Flame Pattern; BURNER FLAME PATTERN

www.desatech.com 107882-01K 16 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. Keep control knob pressed in for 30 seco...

Page 17 - BURNER PILOT AIR INLET; Air Passageways; Pilot Assembly

www.desatech.com 107882-01K 17 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 se...

Page 18 - SPECIFICATIONS

www.desatech.com 107882-01K 18 SPECIFICATIONS CBN20/CBN20T CBN30T CBT20NT CBT30NT SBN20 Btu (Variable) 10,000/20,000 15,000/30,000 10,000/20,000 15,000/30,000 Type Gas --------------------------------Natural Only--------------------------------- Ignition Piezo Piezo Electronic Electronic Pressure Re...

Page 19 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIBLE CAUSE; Cleaning

www.desatech.com 107882-01K 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 troubl...

Page 21 - IMPORTANT; S e e Wa r n i n g; OBSERVED PROBLEM

www.desatech.com 107882-01K 21 TROUBLESHOOTING Continued POSSIBLE CAUSE 1. Turning control knob to posi- tion 5 when burner is cold 2. Air in gas line 3. Air passageways on heater blocked 4. Dirty or partially clogged burner oriﬁce 1. When heated, vapors from furniture polish, wax, carpet cleaner, e...

Page 22 - See Warning; Checking Gas Connec-; REPLACEMENT PARTS; PARTS UNDER WARRANTY; SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE

www.desatech.com 107882-01K 22 TROUBLESHOOTING Continued POSSIBLE CAUSE 1. Gas leak. See Warning statement on page 21 2. Control valve defective 1. Foreign matter between con- trol valve and burner 2. Gas leak. See Warning statement on page 21 1. Not enough combustion/ven- tilation air OBSERVED PROB...

Page 23 - ACCESSORIES; For all piezo ignitor models.

www.desatech.com 107882-01K 23 FAN KITS - GA3250T For all models. Provides better heat distribution. Makes heater more efﬁcient. Complete installation and operating instructions included.Thermostatically-controlled, blower turns itself on and off as required. ACCESSORIES Purchase these heater access...

Page 24 - ILLUSTRATED PARTS BREAKDOWN

www.desatech.com 107882-01K 24 2 3 5 6 8 9 9 10 11 12 13 14 16 18 19 4 7 1 21 20 15 17 22 ILLUSTRATED PARTS BREAKDOWN MODELSCBN20CBP20SBN20SBP20

Page 25 - PARTS LIST; listed under

www.desatech.com 107882-01K 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 KEY CBN20 CBP20 NO. SBN20 SBP20 DESCRIPTION QTY. 1 097159-04 097159-04 Piezo Ignitor ...

Page 28 - Install Battery According

www.desatech.com 107882-01K 28 ILLUSTRATED PARTS BREAKDOWN MODELS CBT20NT, CBT20PT CBT30NT, CBT30PT 20 2 12 13 7 15 3 5 6 8 9 4 1 17 19 14 18 16 9 10 11 AA Battery Positive UP AAA Battery Negative UP Install Battery According To This Illustration (Determine which ignitor your heater uses)

Page 30 - Manila Ave; Portable Heater Parts; PARTS CENTRALS; by providing original replacement parts and accessories.; East Coast Energy; Parts Department; Cans Unlimited

www.desatech.com 107882-01K 30 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 www.portableheaterparts.com [email protected] techservice@portableh...

Page 31 - NOTES

www.desatech.com 107882-01K 31 _____________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________________...

Page 32 - WARRANTY INFORMATION; KEEP THIS WARRANTY; NOT A UPC

WARRANTY INFORMATION KEEP THIS WARRANTY Model ____________________________________ Serial No. __________________________________ Date of Purchase ____________________________ LIMITED WARRANTY VENT-FREE RESIDENTIAL GAS HEATERS DESA Heating Products warrants this product to be free from defects in mat...