Detroit Radiant Products Co. Tube Heater General Manual To be used in conjunction with Series 2 insert manuals. ! ! 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.
Tube Heater General Manual Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Heater Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.0 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.0 Introduction • Overview • Heater Components Tube Heater General Manual 1.0 Introduction Overview The intent of this manual is to provide information regarding general safety, installation, operation and maintenance of the tube heater. For complete assembly and installation instructions, use this Tube Heater General Manual in conjunction with the Series Insert Manual that accompanies this piece.
2.0 Safety • Warning Symbols • Applications Tube Heater General Manual 2.0 Safety ! ! WARNING 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.
2.0 Safety • Clearance to Combustibles • Safety Signs and Labels Tube Heater General Manual Clearance to Combustibles ! WARNING Placement of explosive objects, flammable objects, liquids and vapors close to the heater may result in explosion, fire, property damage, serious injury or death. Do not store or use explosive objects, liquids and vapor in the vicinity the heater. Hazards: For maximum safety the building must be evaluated for hazards before installing the heating system.
2.0 Safety • Venting • Gas Supply • Heat Expansion Tube Heater General Manual Venting WARNING ! Insufficient ventilation may result in health problems, carbon monoxide poisoning and death. Vent enclosed spaces and buildings according to national, state, provincial and local codes.
Tube Heater General Manual 2.0 Safety • Standards, Certifications and Government Regulations Standards, Certifications and Government Regulations 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. In the absence of local codes, the installation must conform to the latest edition of: United States: National Fuel Gas Code, ANSI Z223.1 (NFPA 54).
2.0 Safety • Standards, Certifications and Government Regulations Tube Heater General Manual Chart 2.2 • Standards and Code Installation Guidelines • Building Location Building Location High Altitude Guidelines Guidelines Installation of this tube heater is approved, without modifications, for elevations up to 6,000 feet (1,829 m) MSL (sea level) in the United States. Contact the factory for installations above these elevations. The type of gas appearing on the nameplate must be the type of gas used.
3.0 Installation • Design Considerations and Prechecks Tube Heater General Manual 3.0 Installation ! WARNING 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.
3.0 Installation • Design Considerations Tube Heater General Manual When heated, materials high in hydrocarbons (solvents, paint thinner, mineral spirits, formaldehydes, etc.) can evaporate. This may result in odors or fumes being emitted into the environment. To correct this problem, clean the area and/or introduce additional ventilation. The heaters themselves, when installed and serviced in accordance with the installation manual, do not emit foul odors into the environment.
3.0 Installation • Mounting Heights and Coverages Tube Heater General Manual Chart 3.1 • Recommended Mounting Heights and Coverages Coverage Area Straight Config. (LxW) Coverage Area U-Tube Config. (LxW) Distance Between Heaters (ft.) Dimension A Distance Between Heater Rows (ft.) Dimension B Maximum Distance Between Heaters and wall (ft.
3.0 Installation • Hanger Placement and Suspension Tube Heater General Manual Hanger Placement and Suspension ! WARNING Improper suspension of the tube heater may result in collapse and being crushed. Always suspend from a permanent part of the building structure that can evenly support the total force and weight of the heater. Failure to maintain minimum clearance to combustibles may result in fire and/or explosion, property damage, serious injury or death.
3.0 Installation • Hanger Placement and Suspension Tube Heater General Manual Figure 3.4 • Heater Mounting Layout Suspension Point NOTE: A sticker identifying the combustion chamber(s) is located on the swaged end of the tube(s). 8 9’ Suspension Point 8 9’ ” ” Radiant Emitter Tube(s) Suspension Point Burner Control Box Suspension Points 2’ Radiant Emitter Tube NOTE: If applicable use a Secondary Combustion Chamber. Refer to the Specifications Chart in the Series Insert Manual.
3.0 Installation • Hanger Placement and Suspension Tube Heater General Manual 3 Prepare mounting surface, if necessary weld blocks, drill holes (see figure 3.5). Note: The burner control box and radiant tubes should be in straight alignment and level. 4 Fasten beam clamp, screw hook or other type of suspension anchor to hanging point. 5 Attach and close S-hook (P/N: S-HOOK) and #1 double-loop chain (P/N: THCS) to anchor. Check that it is securely attached.
3.0 Installation • Hanger Placement and Suspension Tube Heater General Manual Figure 3.6 • U-Tube Hanger Mounting Options Single Mounting Bracket Brass Knuckle Exhaust End U-Tubes can be mounted from a single suspension point using a Single Mounting Bracket (P/N: SMB) with five S-hooks and #1 double-loop chains. U-Tubes can be mounted at a 15, 30 or 45 degree angle with two suspension points, using two Brass Knuckle (P/N: BK) fittings, #1 double-loop chains and S-hooks. Figure 3.
3.0 Installation • Radiant Tube Assembly Tube Heater General Manual Radiant Tube Assembly To install the radiant tubes: 1 Place tubes in hangers with the welded seam facing downward and the swaged end of the tube towards the exhaust end of the heater system (see figure 3.8). Refer to the Series Insert Manual for tube installation sequence. Figure 3.8 • Attach Hangers Swaged End Radiant Tube Hanger Welded seam faces down 2 Slide tube clamps onto radiant tubes (see figure 3.9). Figure 3.
3.0 Installation • Tubes: Optional Elbow or U-Bend Accessory Configuration Tube Heater General Manual 3 Slip-fit the radiant tube sections together until tightly connected (install the swaged end of each tube towards exhaust end). NOTE: If it is difficult to mate the tubes, they may be installed incorrectly. 4 Center tube clamps over the seam where two radiant tube sections connect.
3.0 Installation • Optional Elbow or U-Bend Accessory Configuration Tube Heater General Manual Figure 3.12 • Elbow and U-Bend Clearances Elbow can be set in both directions Dimension A Tube Clamp Tube Clamp U-Bend can be set in both directions Dimension A Tube Clamp 12” Tube Clamp 8” Dimension B Figure 3.13 • U-Bend and Elbow Dimensions 12.5” 16” 6” 12.5” 16” 20” P/N: E6 (4”) 10” P/N: TF1B (4”) 20” Chart 3.
3.0 Installation • Burner Control Box Suspension Tube Heater General Manual Burner Control Box Suspension Suspending the burner control box must be done in accordance with applicable codes listed in the Safety section and these instructions. The burner control box must be in straight alignment with all radiant tubes and level. Contact your local distributor or the factory to see if your application allows for the rotation of the burner control box.
3.0 Installation • Reflector Assembly Tube Heater General Manual Reflector Assembly To install the reflectors (see figure 3.16): 1 Attach the reflector center supports onto radiant tubes. NOTE: On models equipped with a single reflector center support, place at mid-point of primary combustion chamber. 2 Slide each reflector section through the hangers and adjust the reflector tension spring (if applicable) into the V-groove on the top of the reflector.
3.0 Installation • Reflector Assembly Tube Heater General Manual Chart 3.5 Common Optional Accessories Reflector Accessory Description Part Number Elbow Reflector* 90° bend, highly polished aluminum reflector elbow designed to fit atop one elbow accessory fitting. RE U-Reflector* 180° bend, highly polished aluminum reflector U-bend designed to fit atop one U-bend accessory fitting.
3.0 Installation • Baffle Assembly and Placement Tube Heater General Manual Baffle Assembly and Placement To assemble the baffles: NOTE: Baffles may be inserted into the tube while being assembled. 1 Determine the number of baffles needed for your model number as indicated on box label. Remove one 36 in. baffle section if heater is installed with an elbow or U-bend accessory. 2 Orient the baffle tabs at a 90° angle to the baffle keyhole (see figure 3.19).
Tube Heater General Manual 3.0 Installation • Baffle Assembly Final Heater Assembly Chart 3.6 Tube Installation Sequence, Baffle Location and Secured Joints for Reflectors NOTE: When securing joints on reflectors which are rotated on an angle from horizontal, secure joint only on top side of reflector to allow for sufficient heater expansion and contraction. 20 Foot 30 Foot 0° Mounting Angle 1 to 45° Mounting Angle * 40 Foot Stainless steel clamp on 150,000 to 200,000 BTU/h models (P/N: TP-220).
3.0 Installation • Venting Tube Heater General Manual Venting ! WARNING Insufficient ventilation and/or improperly sealed vents may release gas into the building which could result in health problems, carbon monoxide poisoning or death. Improper venting may result in fire, explosion, injury or death. Seal vent pipes with high temperature sealant and three (3) #8 sheet metal screws.
3.0 Installation • Vent Length • Sidewall Venting Tube Heater General Manual Figure 3.21 • General Vent Requirements Vent Cap 24 in. Min.* Roof* Storm Collar Adjustable Roof Flashing Double-Wall B Vent 1 in. Minimum Clearance 1 in. Minimum Clearance Fire Stop Spacer B to C Adapter Heater Single-wall Vent Pipe Single-Wall Elbow or Alternate Tee Fitting Single-wall Vent Pipe #8 Sheet Metal Screws *Consult the NFPA ANSI Z223.
3.0 Installation • Sidewall Venting • Rooftop Venting Tube Heater General Manual Vent Termination United States: • Vent must terminate a minimum of 4 ft. (1.2 m) below, 4 ft. (1.2 m) horizontally from, and 1 ft. (30 cm) above any window or door that may be opened or gravity air inlet into the building. • Vent must terminate a minimum of 3 ft. (.9 m) above any forced air inlet that is located within 10 ft. (3.1 m). • The bottom of the vent terminal must be located a minimum of 12 in.
3.0 Installation • Common Venting Tube Heater General Manual Common Venting • A staggered arrangement or a dual exhaust assembly (P/N: Y) must be used when joining two heaters to a common vent so that by-products of one heater do not flow into the adjoining vent of the other heater. • 6 in. diameter double-wall Type B-vent and 6 in. vent cap must be used when penetrating though a combustible material. • Common vented heaters must be controlled with the same thermostat.
3.0 Installation • Optional Unvented Operation • Combustion Air Requirements Tube Heater General Manual Optional Unvented Operation ! WARNING Not for residential use. The use of unvented tube heaters in residential indoor spaces may result in property damage, serious injury or death. Use unvented operation in commercial and industrial installations with proper ventilation rates only.
3.0 Installation • Combustion Air Requirements Tube Heater General Manual Non-contaminated outside air for combustion must be ducted to the heater if any of the following apply: • Chemicals such as chlorinated or fluorinated hydrocarbons (typical sources are refrigerants, solvents, adhesives, degreasers, paints, paint removers, lubricants, pesticides, etc.). • High humidity. • Contaminants such as sawdust, welding smoke, etc. • Negative building pressure.
3.0 Installation • Combustion Air Requirements • Gas Supply Tube Heater General Manual Guidelines: Chart 3.7 Limitations for Length and Size of Combustion Air Intake Duct Single Heater Intake Air Intake Duct Size Max. Intake Length Dual Heater Intake Duct Size Max. Intake Length 4 in. 20 ft. 4 in.(single)/6 in.(dual) 20 ft. 5 in. 30 ft. 4 in.(single)/8 in.(dual) 30 ft 6 in. 40 ft. Consult factory for longer intake lengths. General • No more than two 90 degree elbows are allowed.
3.0 Installation • Gas Supply Tube Heater General Manual • Test and confirm that inlet pressures are correct. Refer to the heater rating plate for gas type and the required minimum and maximum pressures (see Chart 3.8). The gas supply pipe must be of sufficient size to provide the required capacity and inlet pressure to the heater (if necessary, consult the local gas company). Do not exceed the maximum allowed pressures for the heater, the space or the gas piping system. Chart 3.
3.0 Installation • Gas Supply Tube Heater General Manual 2 Form the stainless steel flexible connector into a smooth C-shape allowing 12 in. between the flexible connector’s end nuts (see figure 3.30). 3 Attach the ball valve to the gas supply pipe. Apply pipe compound to NPT adapter threads to seal the joint. Use only a pipe compound resistant to LP. Note: Provide a 1/8 in.
4.0 Operation Tube Heater General Manual 4.0 Operation ! WARNING This heater is not equipped with a pilot ignition system. Do not attempt to light the system manually. Refer to the Series Insert Manual for any specific directions (e.g., single stage, two stage operation, relight after a failure, etc.). LIGHTING PROCEDURES: 1 Verify that service lid is secured. 2 Open (turn on) gas supply to the heater. 3 Close (turn on) electrical circuit (typically thermostat).
5.0 Maintenance • Maintenance Checks & Log Tube Heater General Manual 5.0 Maintenance ! WARNING Personal injury or death may result if maintenance is not performed by properly trained gas installer or service personnel. Contact the installing distributor or place of purchase for service. Do not operate heating system if repairs are necessary. Allow heater to cool prior to servicing. Disconnect power to heater before servicing. Use protective glasses when maintaining the heater.
Chart 5.1 Troubleshooting Guide Tube Heater General Manual Symptom Thermostat closed, fan doesn’t operate. Possible Cause Corrective Action • Blown fuse. • Faulty thermostat. • Loose or disconnected wire. • Faulty fan. • Replace. • Replace. • Repair as required. • Lubricate, repair or replace. Thermostat closed. Fan operates. Switch does not close. • Loose or disconnected wire. • Box lid or gasket not in place. • Plugged pressure switch lines. • Plugged or restricted exhaust vent.
6.0 Limited Warranty Tube Heater General Manual 6.0 Limited Warranty One-Year Limited Warranty. Radiant Tube Heaters covered in this manual, are warranted by Detroit Radiant Products Company to the original user against defects in workmanship or materials under normal use for one year after date of purchase.
