Dayton Tube Heater Installation, Operation, Maintenance and Parts

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In locations used for the storage of combustible materials, signs must be posted to specify the maximum permissible stacking height to maintain the required…
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In locations used for the storage of combustible materials, signs must be posted to specify the maximum permissible stacking height to maintain the required clearances from the heater to the combustibles. Signs must either be posted adjacent to the heater thermostats or in the absence of such thermostats, in a conspicuous location. Keep these instructions for future reference. Please read and save these instructions. This heater must be installed and serviced by trained gas installation and service personnel only! Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain these instructions for future reference. Form 5S6496 Printed in U.S.A. 03460 1109/224/VCPVP Dayton Tube Heaters® Description Dayton tube heaters are gas-fi red infrared heaters designed to provide comfort heat. They consist of three (3) main components: a burner control box, radiant tube, and refl ector assembly. The heaters are typically suspended from the ceiling by chains and controlled by a thermostat. They can be installed either vented or unvented, and may use outside air for combustion if necessary. The radiant tube may be installed in different confi gurations depending on the heating requirements. These heaters use infrared energy to heat spaces. When heat is required, the burner control box ignites a gas/air mixture and pushes the hot gases into the radiant tube. As the gases pass through the assembly, the tubing is heated and emits infrared, which is then directed toward the fl oor by refl ectors. This is known as primary infrared and is absorbed by the fl oor, objects and people in the space, raising their temperatures. They in turn re-radiate this heat, known as secondary infrared, to create a comfort zone at the fl oor level. This is how Dayton tube heaters can heat large spaces without having to provide primary infrared for every square foot of area. However, if the goal is to spot heat a small area within a large space, only the primary infrared makes this possible. Dayton tube heaters are design certifi ed for use in industrial and commercial buildings, such as warehouses, manufacturing plants, aircraft hangars and vehicle maintenance shops. They are not certifi ed for residential use or where fl ammable gases or vapors are generally present, such as spray booths. • Do not try to light any appliance. • Immediately call your gas supplier from a neighbor’s phone. • Do not touch any electrical switch. • Follow the gas supplier’s instructions. • Do not use any phone in your building. • If you cannot reach your gas supplier, call the fi re department. For Your Safety - If you smell gas: WARNING ! ! Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read and understand the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. This heater must be installed and serviced by trained gas installation and service personnel only. Failure to comply could result in personal injury, asphyxiation, death, fi re and/ or property damage. WARNING ! ! 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 Installation, Operation, Maintenance and Parts Manual 10/2014_r1 Dayton Installation, Operation, Maintenance and Parts Manual Dayton Tube Heaters® 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 TABLE OF CONTENTS INTRODUCTION ................................................................................................................................................................... 3 Overview ........................................................................................................................................................................ 3 SAFETY .............................................................................................................................................................................. 4 Warning Symbols ............................................................................................................................................................ 4 Specific Applications ....................................................................................................................................................... 4 Standards, Certifications and Governmental Regulations ................................................................................................ 5 Clearance to Combustibles ............................................................................................................................................ 6 INSTALLATION ..................................................................................................................................................................... 8 Design Considerations and Prechecks .............................................................................................................................. 8 Recommended Mounting Heights ...................................................................................................................................10 Hanger Placement and Suspension ..................................................................................................................................11 Optional U-Bend or Elbow Accessory Configuration ........................................................................................................14 Radiant Tube Assembly ...................................................................................................................................................15 Burner Control Box Suspension ......................................................................................................................................18 Reflector Assembly ..........................................................................................................................................................19 Baffle Assembly and Placement .......................................................................................................................................21 Final Heater Assembly .....................................................................................................................................................22 Venting ...........................................................................................................................................................................23 Combustion Air Requirements ........................................................................................................................................28 Gas Supply .....................................................................................................................................................................30 Electrical Requirements ...................................................................................................................................................33 OPERATION ..........................................................................................................................................................................35 MAINTENANCE ...................................................................................................................................................................36 Troubleshooting Guide ....................................................................................................................................................37 PARTS ..............................................................................................................................................................................38 Repair Parts Illustration ....................................................................................................................................................38 Repair Parts List ...............................................................................................................................................................39 LIMITED WARRANTY ..........................................................................................................................................................40 2 Prior to installation, verify that you have received all heater components included with your tube heater. Refer to the chart below for a list of the kit contents for your model heater. Materials not included in the kit (e.g. sheet metal screws, vent material, terminals, etc.) are the responsibility of the installer. Kit Contents Filled By: 5VD67A- 5VD70A 5VD71A- 5VD72A 5VD73A- 5VD78A 5EAJ0-J2, 5EAH3-H5 5VD79A-80A, 5EAH6-H8 Part # Description 20 ft. 30 ft. 40ft. 50ft. 60ft. TP-19B 4” Tube Hanger with Tension Spring 3 4 5 6 7 TP-21B 4” Tube Clamp 2 3 4 5 6 TP-33B 1/2” Shut-off Ball Valve/Inlet Tap 1 1 1 1 1 TP-82 4” Reflector Center Support 2 3 4 5 6 TP-83 24” Stainless Steel Flexible Gas Connector 1 1 1 1 1 TP-105 Reflector End Cap 2 2 2 2 2 TP-106 Reflector End Cap Clips 8 8 8 8 8 THCS Tube Heater Chain Sets 5 6 7 8 9 IOM Installation, Operation & Maintenance Manual 1 1 1 1 1 Dayton Installation, Operation, Maintenance and Parts Manual Models 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 3 INTRODUCTION Overview The intent of this manual is to provide information regarding general safety, installation, operation and maintenance of this tube heater. You must read and understand all instructions and safety warnings before installing or servicing the tube heater. Available Models - Tube Heater Burner Box and Tube Reflector Combinations Combo # Burner Box # Tube & Reflector Pkg # Tube Type Length BTU/H Gas Type 7D837A 5VD67A 5VD88 20-4”-ALUM 20 50,000 NAT 7D838A 5VD68A 5VD88 20-4”-ALUM 20 50,000 LP 7D839A 5VD69A 5VD88 20-4”-ALUM 20 75,000 NAT 7D840A 5VD70A 5VD88 20-4”-ALUM 20 75,000 LP 7D841A 5VD71A 5VD89 30-4”-ALUM 30 100,000 NAT 7D842A 5VD72A 5VD89 30-4”-ALUM 30 100,000 LP 7D843A 5VD73A 5VD91 40-4”-ALUM 40 100,000 NAT 7D844A 5VD74A 5VD91 40-4”-ALUM 40 100,000 LP 7D845A 5VD75A 5VD91 40-4”-ALUM 40 125,000 NAT 7D846A 5VD76A 5VD91 40-4”-ALUM 40 125,000 LP 7D847A 5VD77A 5VD90 40-4”-TITAN 40 150,000 NAT 7D848A 5VD78A 5VD90 40-4”-TITAN 40 150,000 LP 7AR80 5EAJ0 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 150,000 NAT 7AR79 5EAJ1 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 150,000 LP 7AR83 5EAJ2 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 175,000 NAT 7AR81 5EAH3 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 175,000 LP 7AR87 5EAH4 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 200,000 NAT 7AR85 5EAH5 5VD90 & 5EAH2 40-4”-TITAN & 10-4”-ALUM 50 200,000 LP 7D849A 5VD79A 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 150,000 NAT 7D851A 5VD80A 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 150,000 LP 7AR84 5EAH6 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 175,000 NAT 7AR82 5EAH7 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 175,000 LP 7AR88 5EAH8 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 200,000 NAT 7AR86 5EAH9 5VD90 & 5VD88 40-4”-TITAN & 20-4”-ALUM 60 200,000 LP NOTICE WARNING ! ! CAUTION WARNING ! ! ! WARNING ! ! Dayton Installation, Operation, Maintenance and Parts Manual Dayton Tube Heaters® 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 Safety Symbols Safety is the most important consideration during installation, operation and maintenance of the tube heater. You will see the following symbols and signal words when there is a hazard related to safety or property damage. Improper installation, adjustment, alteration, service or maintenance can cause property damage, serious injury or death. Read and understand, the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. Only trained, qualified gas installation and service personnel may install or service this equipment. 4 Applications This is not an explosion-proof heater. No heater may be used in a Class 1 or Class 2 Explosive Environment. Consult the local Fire Marshall, fire insurance carrier and other authorities for approval if the proposed installation is in question. Do not use this heater in the home, sleeping quarters, attached garages, etc. Warning indicates a potentially hazardous situation which, if not avoided, could result in death or injury. Caution indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. Notice indicates a potentially hazardous situation which, if not avoided, could result in property damage. Not for residential use! Commercial and Industrial This tube heater is designed and certified for use in industrial and commercial buildings such as, warehouses, manufacturing plants, aircraft hangars and vehicle maintenance shops. SAFETY Dayton Installation, Operation, Maintenance and Parts Manual Models 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 5 Public Garages: The installation of this heater in public garages must conform with the Standard for Parking Structures, ANSI/ NFPA 88A (latest edition), or the Code for Motor Fuel Dispensing Facilities and Repair Garages NFPA 30A (latest edition) and must be at least 8 ft. above the floor. Aircraft Hangars: The installation of this heater in aircraft hangars must conform with the Standard for Aircraft Hangars, ANSI/ NFPA 409 (latest edition). The heater must be installed at least 10 ft. above the upper wing surfaces and engine enclosures of the highest aircraft which might be stored in the hangar. In areas adjoining the aircraft storage area, the heaters must be installed at least 8 ft. above the floor. The heaters must be located in areas where they will not be subject to damage by aircraft, cranes, moveable scaffolding or other objects. High Altitude: The installation of this tube heater is approved, without modifications, for elevations up to 6,000 ft. MSL (sea level). Contact Dayton for installations above these elevations. Electrical: The heater, when installed, must be electrically grounded in accordance with the National Electrical Code ANSI/NFPA 70 (latest edition). Under no circumstances is either the electrical supply line or gas supply line to provide any assistance in the suspension of the heater. Venting: Venting must be installed in accordance with the requirements set forth in this manual and with the NFPA 54/ANSI Z223.1 National Fuel Gas Code (latest edition). Standards, Certifications and Governmental Regulations The installation of this tube heater must comply with all applicable local, state and national specifications, regulations and building codes (contact the local building inspector and/or fire marshall for guidance) before installing the heater system. In the absence of local codes, the installation must conform to the latest edition of the National Fuel Code ANSI Z223.1 (NFPA 54). Refer to the following Standards and codes for application specific guidelines: This unit complies with or is Certified by one or more of the following organizations or Standards: • CSA International (CSA). • American National Standards (ANSI Z83.20b). • National Fuel Gas Code (NFPA 54/ ANSI Z223.1). • Occupational Safety and Health Act (OSHA). Dayton Installation, Operation, Maintenance and Parts Manual Dayton Tube Heaters® 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 Fire Hazard. Always maintain published clearance to combustibles. Failure to comply with the stated clearances to combustibles could result in personal injury, death and/or property damage. This heater should be installed so that the minimum clearances to combustibles, as marked on the heater, will be maintained from vehicles parked below. If vehicle lifts are present, ensure that these clearances will be maintained from vehicles parked below. If vehicle lifts are present, ensure that these clearances will be maintained from the highest raised vehicle. WARNING! This is not an explosion-proof heater. Do not store or use flammable objects, liquids or vapor in the vicinity of the heater. Where there is the possibility of exposure to flammable vapors or highly combustible materials, consult the local fire marshall, fire insurance carrier and other authorities for approval of the proposed installation. WARNING! WARNING! Clearance to Combustibles For maximum safety, the building must be evaluated for hazards before installing this heating system. A critical safety factor before installation is the clearance to combustibles. Clearances to combustibles is defined as the minimum distance that must be maintained between the tube surface or reflector and combustible materials. It also pertains to the distance that must be maintained from moving objects (e.g. overhead doors, cranes, vehicle lifts, etc.) around the tube heater. If you are unsure about the proposed installation, consult your local fire Marshall, fire insurance carrier or other qualified authorities for the approval of the proposed installation. Safety Signs and Labels It is important to provide warnings to alert individuals to potential hazards and safety actions. ANSI Z83.20b and CSA 2.34, require you to post a sign “specifying the maximum permissible stacking height to maintain the required published clearances from the heater to combustibles” near the heater’s thermostat or, in the absence of such thermostats, in a conspicuous location. All safety labels must be maintained on this appliance. Contact Grainger if replacement labels are needed. 6 The following is a partial list of items to maintain clearances from: • Gas and electrical lines • Combustible and explosive materials • Chemical storage areas • Areas of high chemical fume concentrations • Vehicle parking areas • Vehicle lifts • Hoists or cranes • Storage areas with stacked materials • Lighting • Sprinkler heads • Overhead doors and tracks • Dirty, contaminated areas Hazards Dayton Installation, Operation, Maintenance and Parts Manual Models 7D837A thru 7D849A, 7D851A, 7AR79 thru 7AR88 For the safe installation of this unit, the clearance to combustibles data below (Figure 1.1) contains clearances that must be maintained. Check the heater’s rating plate to verify the minimum clearance to combustibles and gas type for your model heater. 7 Minimum end clearance for all models is 12 inches. *Heaters mounted on an angle between 0° to 45° must maintain clearances posted for both 0° and 45° mounting angles; whichever is greater. 0° Mounting Angle Top Side Side Below 45° Mounting Angle Top Front Behind Below 0° w/ 1 Side Shield Top Front Behind Below 0° W/ 2 Side Shields Top Side Side Below Clearance to Combustibles Figure 1.1 • Clearances to Combustibles Data Model No. Mounting Angle * Side Top BelowFront Behind Dayton - 5VD67A, 5VD68A (20’ min. to 40’ max.) 50,000 BTU/H [N, P] 7D - 837A,838A 0° 9 9 6 47 45° 39 8 10 47 0° w/ 1 side shield 0° 29 8 6 47 0° w/ 2 side shields 0° 9 9 6 47 20 ft. from burner 0° 7 7 6 30 Dayton - 5VD69A, 5VD70A (20’ min. to 40’ max.) 75,000 BTU/H [N, P] 7D - 839A,840A 0° 9 9 6 60 45° 39 8 10 60 0° w/ 1 side shield 0° 29 8 6 60 0° w/ 2 side shields 0° 9 9 6 60 20 ft. from burner 0° 7 7 6 30 Dayton - 5VD71A, 5VD72A, 5VD73A, 5VD74A (30’ min. to 40’ max.) 100,000 BTU/H [N, P] 7D - 841A,842A,843A,844A 0° 14 14 6 66 45° 39 8 10 66 0° w/ 1 side shield 0° 29 8 6 66 0° w/ 2 side shields 0° 1
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