Page 2 - Air for Combustion and Ventilation; section on page 5 of this manual.; State of Massachusetts:; wealth of Massachusetts.; TABLE OF CONTENTS
www.desatech.com 107883-01H 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, servic...
Page 3 - SAFETY INFORMATION; Carbon Monoxide Poisoning:; Get fresh
www.desatech.com 3 107883-01H SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely b e f o r e t r y i n g t o a s s e ...
Page 4 - LOCAL CODES; The; Continued; Plaque; UNPACKING; SAFETY DEVICE; PRODUCT
www.desatech.com 107883-01H 4 5. Always run heater with plaque control knob at the 1, 2, 3 or 4 locked positions. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result. 6. This heater needs fresh, outside air ventilation to run properly. Thi...
Page 5 - National Fuel; Unusually Tight Construction; Ventilation Air From Outdoors; Confined and Unconfined Space; Includes the room in which you will install
www.desatech.com 5 107883-01H 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 - AIR FOR COMBUSTION; National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas
www.desatech.com 107883-01H 6 1. Determine the volume of the space (length x width x height). Length x Width x Height =__________cu. ft. (volume of space) Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoi...
Page 7 - Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation; INSTALLATION; CHECK GAS TYPE; Accessories; LOCATING HEATER; Figure 4 - Mounting Clearances As
www.desatech.com 7 107883-01H AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12” of the ceiling and one within 12” of the floor. Connect these items directly t...
Page 8 - THERMOSTAT SENSING BULB; Figure 5 - Attaching Thermostat Sensing; INSTALLING HEATER TO WALL; Mounting Bracket; Locate mounting bracket in heater carton. Remove; Removing Front Panel Of Heater; Remove the four painted screws, two on each
www.desatech.com 107883-01H 8 You can locate heater on the floor, away from a wall. A wall mounting bracket and floor base stand are included with this heater. Determine which method is best for your application. WARNING: Never install the heater • in a bedroom or bathroom • in a recreational vehicle ...
Page 9 - Attaching to Wall Stud:; Marking Screw Locations; mum clearances shown in Figure; and 5 Plaque Heaters; Figure 8 - Mounting Bracket Clearances; Attaching Mounting Bracket To Wall
www.desatech.com 9 107883-01H INSTALLATION Continued Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall. These two holes are 14 inches apart from their centers. Attach mounting bracket to wall in one of two ways:1. Attaching to...
Page 10 - Figure 9 - Folding Anchor; Attaching To
www.desatech.com 107883-01H 10 Side View Front View 3. Insert wall anchor (wings first) into hole. Tap anchor flush to wall. 4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings. IMPORTANT: Do not hammer key! For thick walls (over 1/2" thic...
Page 11 - MOUNTING HEATER TO FLOOR; Mounting Base Feet to Heater; Removing Front; CONNECTING TO GAS SUPPLY; Figure 14 - External Regulator With Vent
www.desatech.com 11 107883-01H INSTALLATION Continued MOUNTING HEATER TO FLOOR Mounting Base Feet to Heater 1. Lay heater cabinet on its back on a table with the heater bottom overhanging the table edge. 2. Align holes in base foot with mounting holes on bottom of cabinet (see Figure 13). 3. Secure ...
Page 12 - Typical Inlet Pipe Diameters; Tee Pipe Cap; Natural Gas; CHECKING GAS CONNECTIONS; ing to Gas Supply
www.desatech.com 107883-01H 12 CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur. Typic...
Page 13 - Operating Heater
www.desatech.com 13 107883-01H INSTALLATION Continued PRESSURE TESTING GAS SUPPLY PIPING SYSTEMTest Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/...
Page 14 - Figure 19 - Control Knob In The OFF; OPERATING HEATER; NON-THERMOSTAT MODELS; FOR YOUR SAFETY READ; low these instructions exactly,; LIGHTING
www.desatech.com 107883-01H 14 5. Turn control knob to PILOT/IGN and press in. Note: You may be running this heater for the first time after hooking up to gas supply. If so, you may need to press in control knob for 30 seconds or more. This will allow air to bleed from the gas system. • If control kn...
Page 15 - LOW; Thermostat Models; Shutting Off Heater; Lighting; THERMOSTAT MODELS
www.desatech.com 15 107883-01H TO SELECT HEATING LEVEL WARNING: When running heater, set control knob at LOW, MEDIUM or HIGH locked posi- tions. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result. CAUTION: Do not try to ad- just heating l...
Page 16 - Troubleshooting; just heating levels by using the; Figure 22 - Control Knob In The OFF; TO TURN OFF GAS; Control Knob
www.desatech.com 107883-01H 16 LIGHTING INSTRUCTIONS 1. STOP! Read the safety information, page 15, column 2. 2. Make sure equipment shutoff valve is fully open. 3. Turn thermostat control knob clockwise to the OFF position (see Figure 22). 4. Wait five minutes to clear out any gas. Then smell for ga...
Page 17 - INSPECTING HEATER; To Turn Off Gas to Appli-
www.desatech.com 17 107883-01H OPERATING HEATER Continued THERMOSTAT OPERATION The thermostatic control used on these models differs from standard thermostats. Standard thermostats simply turn on and off the burner. The thermostat used on this heater senses the room temperature. At times the room ma...
Page 18 - BURNER PILOT AIR INLET; Air Passageways; SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE; Figure 29 - Pilot Air Inlet
www.desatech.com 107883-01H 18 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 ser...
Page 19 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIBLE CAUSE; Cleaning; OBSERVED PROBLEM
www.desatech.com 19 107883-01H 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 trouble...
Page 20 - Cleaning and Maintenance
www.desatech.com 107883-01H 20 TROUBLESHOOTING Continued POSSIBLE CAUSE 1. Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Equipment shutoff valve not fully open 4. Thermocouple connection loose at control valve 5. Pilot flame not touching ther- mocouple, which allows ...
Page 21 - IMPORTANT; REMEDY
www.desatech.com 21 107883-01H TROUBLESHOOTING Continued POSSIBLE CAUSE 1. When heated, vapors from furniture polish, wax, carpet cleaner, etc., may turn into white powder residue 1. Heater burning vapors from paint, hair spray, glues, etc. See IMPORTANT statement above 2. Low fuel supply (propane/L...
Page 22 - SPECIFICATIONS
www.desatech.com 107883-01H 22 SPECIFICATIONS CRN18, CRN18T CRN30, CRN30T CRT30NT Btu (Variable) 6,600/12,000/18,000 6,600/18,000/30,000 6,600/18,000/30,000 Type Gas Natural Only Natural Only Natural Only Ignition Piezo Piezo Electronic Pressure Regulator Setting 6" W.C. 6"W.C. 6" W.C. I...
Page 23 - PARTS UNDER WARRANTY; For all piezo ignitor models.; SERVICE PUBLICATIONS
www.desatech.com 23 107883-01H ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 31) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the a...
Page 24 - ILLUSTRATED PARTS BREAKDOWN
www.desatech.com 107883-01H 24 ILLUSTRATED PARTS BREAKDOWN CABINET BODY MODELS CRP16, CRN18, CRP16T, CRN18T, CRP26, CRN30, CRP26T and CRN30T 14 3 16 8 5 6 7 4 1 2 Manual models only Thermostat models only 10 9 11 12 13 15 See Pages28 through 31
Page 25 - PARTS LIST; listed under; PART NUMBER
www.desatech.com 25 107883-01H PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. PART NUMBER KEY CRP16 CRP16T CRP26 CRP26T NO. CRN18 CRN18T CRN30 CRN30T DESCRIPTION QTY 1 107954-...
Page 26 - Install Battery
www.desatech.com 107883-01H 26 ILLUSTRATED PARTS BREAKDOWN CABINET BODY MODELS CRT26PT AND CRT30NT 11 3 13 8 5 7 4 1 2 See Pages 26 and 27 9 10 12 6 AA Battery Positive UP AAA Battery Negative UP Install Battery According To This Illustration (Determine which ignitor your heater uses) See Pages30 an...
Page 27 - KEY; Baffle; PARTS AVAILABLE - NOT SHOWN
www.desatech.com 27 107883-01H PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER NO. CRT26PT CRT30NT DESCRIPTION QTY. 1 107955-03CV 107955-03CV Front Panel 1 2 10...
Page 28 - Burner Assembly CRP16 and CRN18
www.desatech.com 107883-01H 28 5 7 8 10 10 11 7 12 12 13 9 4 4 1 2 6 3 ILLUSTRATED PARTS BREAKDOWN BURNER ASSEMBLY MODELS CRP16, CRN18, CRP26 AND CRN30 2 ODS/Pilot 1 Burner Assembly CRP16 and CRN18 5 8 7 10 11 9 4 4 1 2 6 3 Burner Assembly CRP26 and CRN30
Page 30 - Burner Assembly CRP16T and CRN18T
www.desatech.com 107883-01H 30 5 6 7 4 6 3 1 2 Burner Assembly CRP26T, CRT26PT, CRN30T and CRT30NT ILLUSTRATED PARTS BREAKDOWN BURNER ASSEMBLY MODELS CRP16T, CRN18T, CRP26T, CRT26PT, CRN30T AND CRT30NT 5 7 6 4 3 1 2 Burner Assembly CRP16T and CRN18T 2 ODS/Pilot 1
Page 31 - Replacement Parts; PARTS CENTRAL; Portable Heater Parts
www.desatech.com 31 107883-01H PART NUMBER KEY CRP26T CRN30T NO. CRP16T CRN18T CRT26PT CRT30NT DESCRIPTION QTY. 1 110803-02* 110803-03* 110803-02* 110803-03* ODS/Pilot 1 2 110186-01 110186-01 110186-01 110186-01 Thermocouple Kit 1 3 099387-11 099387-11 099387-03 099387-03 Pilot Tubing 1 4 104818-03 ...
Page 32 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; LIMITED WARRANTY; NOT A UPC
KEEP THIS WARRANTY WARRANTY INFORMATION Model Serial No. Date Purchased 2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these specifications at any time without no...