Detroit Radiant Products LS Series Installation Manual

Infrared tube heater

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LS Series

Installation Manual

The LS Series Infrared Tube Heater is a positive pressure, single stage radiant heater system. This
manual provides specific information related to the LS Series model. All persons involved with the
installation, operation and maintenance of the heater system must read and understand the information
in this manual.
Improper installation, adjustment, alteration, service or maintenance can cause
property damage, injury or death. Read the installation, operation 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,
fire or property damage.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
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.
Do not use this heater in indoor living or sleeping quarters, etc.! Installation of
a tube heater system in residential indoor living spaces may result in property damage,
serious injury, asphyxiation or death.
For Your Safety
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. • If you cannot reach your gas supplier, call the fire department.
WARNING
!
• Immediately call your gas supplier from a neighbor's phone.
• Follow the gas supplier's instructions.
Keep these instructions for future reference.
LIOLS-Rev. 34512
Print: 1M-5/12_r2-12/10/12(DRP)
Replaces: LIOLS-2M-11/09(CDS)

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Summary of Contents for Detroit Radiant Products LS Series

  • Page 1: Installation Manual

    LS Series Installation Manual The LS Series Infrared Tube Heater is a positive pressure, single stage radiant heater system. This manual provides specific information related to the LS Series model. All persons involved with the installation, operation and maintenance of the heater system must read and understand the information in this manual.
  • Page 2: Table Of Contents

    Series Introduction • Table of Contents Contents 1.0 Introduction ............. . 3 Overview .
  • Page 3: Introduction

    Refer to page 48 for a list of the kit contents for your Series heater. Materials not included in the heater kit contents (e.g., screws, vent material, terminals, etc.) are the responsibility of the installer. Notify your product representative or Detroit Radiant Products of any discrepancy or missing kit contents prior to installing unit.
  • Page 4: Safety Signs And Labels

    Contact Detroit Radiant Products Co. or an authorized dealer for Clearance Safety Limit Signs or for Clearance Safety Limit Tags (one tag is provided with each heater).
  • Page 5 4” Black Coated Aluminized DESIGN COMPLIES WITH: ANSI Z83.20b-2003-GAS FIRED LOW INTENSITY INFRA-RED HTR. AMPS - Starting: Maximum Inlet Pressure: Minimum Mounting Angle: DETROIT RADIANT PRODUCTS COMPANY Serial No.: 0807XXXXXXXXXX 0001 21400 HOOVER ROAD - WARREN, MI (586) 756-0950 www.drp-co.com 14 in.
  • Page 6: Safety

    Series Safety • Warning Symbols • Applications 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.
  • Page 7: Standards, Certifications And Government Regulations

    A critical safety factor to consider before installation is the clearance to combustibles. Residential Applications Only select LS Series models are Design Certified under CSA Requirements for residential radiant tube heaters (No. 7-89). Not for use in residential indoor living areas or sleeping quarters.
  • Page 8: Clearance To Combustibles

    Series Safety • Clearance to Combustibles Clearance to Combustibles WARNING WARNING Placement of explosive objects, flammable objects, liquids and vapors Placement of explosive objects, flammable objects, liquids and vapors close to the heater may result in explosion, fire, property damage, serious close to the heater may result in explosion, fire, property damage, serious injury or death.
  • Page 9 Series Safety • Clearance to Combustibles WARNING Failure to comply with the stated clearances to combustibles may result in in personal injury, property damage and/or death. Chart 1.1 • Clearance to Combustibles in Inches (see Figure 1.1 for Mounting Angles) Sides Mounting Model Number...
  • Page 10: Installation

    Series Installation • Design Considerations and Prechecks 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.
  • Page 11: Recommended Mounting Heights

    Factory recommended mounting heights are listed as a guideline. If infrared heaters are mounted to low or to high, they may result in discomfort or lack of heat. Detroit Radiant Products Company generally recommends observing the recommended mounting heights to optimize comfort conditions. However, certain applications such as spot heating, freeze protection, outdoor patio heating or very high ceilings may result in the heaters being mounted outside of the factory recommended mounting heights.
  • Page 12: Hanger Placement And Suspension

    Series Installation • Hanger Placement and Suspension 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.
  • Page 13 Series Installation • Hanger Placement and Suspension Figure 3.4 • Heater Mounting Layout Suspension NOTE: A sticker identifying the Point titanium treated combustion chamber(s) is located on the swaged end of the tube(s). Suspension Point Burner Control Box Suspension Suspension Points Point 3”...
  • Page 14 Series Installation • Hanger Placement and Suspension 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. Fasten beam clamp, screw hook or other type of suspension anchor to hanging point. Attach and close S-hook (P/N: S-HOOK) and #1 double-loop chain (P/N: THCS) to anchor.
  • Page 15 Series Installation • Hanger Placement and Suspension Figure 3.6 • U-Tube Hanger Mounting Options Single Mounting Bracket Brass Knuckle Exhaust U-Tubes can be mounted from a single suspension U-Tubes can be mounted at a 15, 30 or 45 degree point using an optional Single Mounting Bracket angle with two suspension points, using two optional (P/N: SMB) with five S-hooks and #1 double-loop Brass Knuckle (P/N: BK) fittings, #1 double-loop...
  • Page 16: Radiant Tube Assembly

    Series Installation • Radiant Tube Assembly Radiant Tube Assembly To install the radiant tubes: 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 page 23 for tube installation sequence.
  • Page 17: Optional Elbow Or U-Bend Accessory Configuration

    Series Installation • Tubes: Optional Elbow or U-Bend Accessory Configuration 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. Center tube clamps over the seam where two radiant tube sections connect.
  • Page 18 Series Installation • Optional Elbow or U-Bend Accessory Configuration 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”...
  • Page 19: Burner Control Box Suspension

    Series Installation • Burner Control Box Suspension 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 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.
  • Page 20: Reflector Assembly

    Series Installation • Reflector Assembly Reflector Assembly To install the reflectors (see Figure 3.16): Attach the reflector center supports onto radiant tubes. 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. The reflectors should overlap approximately 4 inches. To prevent the reflectors from shifting, secure the reflector sections together using sheet metal screws, except at the expansion joint (see p.23).
  • Page 21 ** Refer to the Clearance to Combustible chart on page 9 for minimum distances to combustibles when side shield extension(s) are used. Additional accessory options are listed in the Detroit Radiant Products Company Tube Heater Accessory Guide or online at www.detroitradiant.com .
  • Page 22: Baffle Assembly And Placement

    Series Installation • Baffle Assembly and Placement Baffle Assembly and Placement To assemble the baffles: NOTE: Baffles may be inserted into the tube while being assembled. Identify one heat baffle (no fins) and two pressure baffles (with fins). Orient the baffle tabs at a 90° angle to the baffle keyhole (see Figure 3.18). Insert one baffle tab into keyhole and slide completely to one side until both baffle tabs appear in the keyhole.
  • Page 23: Final Heater Assembly

    Series Installation • Final Heater Assembly Final Heater Assembly Chart 3.6 Tube Installation Sequence, Baffle Location and Secured Joints for Reflectors 10 Foot 15 Foot 20 Foot 30 Foot Aluminized Radiant Tube Burner Control Box Exchanger with Clamp w/16 in. Burner Tube Baffle Location Expansion Joint on Reflectors...
  • Page 24: Venting

    Series Installation • Venting 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. Vent enclosed spaces and buildings according to the guidelines in this manual and applicable national, state, provincial and local codes.
  • Page 25: Sidewall Venting

    Series Installation • General Venting Requirements • Sidewall Venting Figure 3.20 • General Vent Requirements Vent Cap 24 in. Min.* Roof* Storm Collar Adjustable Roof Flashing 1 in. minimum clearance 3 in. Double-wall B Vent 1 in. minimum clearance Firestop Spacer Heater B to C Adapter Single-wall Elbow or Alternate Tee Fitting...
  • Page 26: Rooftop Venting

    Series Installation • Sidewall Venting • Rooftop Venting Vent Termination United States: • Vent must terminate a minimum of 4 ft. below, 4 ft. horizontally from, or 1 ft. above any window or door that may be opened or gravity air inlet into the building. •...
  • Page 27 Series Installation • Common Venting Common Venting • A staggered arrangement or a dual exhaust assembly (P/N: DB-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.
  • Page 28: Optional Unvented Operation

    Series Installation • Optional Unvented Operation • Combustion Air Requirements Optional Unvented Operation WARNING This appliance must be vented in residential installations. Unvented tube heaters in residential spaces may result in property damage, serious injury or death. Use unvented operation in commercial and industrial installations with proper ventilation rates only. When using an unvented configuration , consider the following: (commercial &...
  • Page 29 Series Installation • Combustion Air Requirements 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.). •...
  • Page 30: Gas Supply

    Series Installation • Combustion Air Requirements • Gas Supply Guidelines: Chart 3.7 Limitations for Length and Size of Combustion Air Intake Duct Single Heater Intake Dual Heater Intake Air Intake Duct Size Max. Intake Length Duct Size Max. Intake Length 4 in.
  • Page 31 Series Installation • Gas Supply • 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).
  • Page 32 Installation Series • Gas Supply Form the stainless steel flexible connector into a smooth C-shape allowing 12 in. between the flexible connector’s end nuts (see Figure 3.29). Attach the ball valve to the gas supply pipe. Apply pipe compound to NPT adapter threads to seal the joint.
  • Page 33: Electrical Requirements And Diagrams

    (3) 1/4” insulated female spade terminals or a 36” yellow 24V control wire. Do not supply 120V to the 24V connection. The 120V supply connection is factory wried with a three-prong pig tail. Refer to LS Series field wiring diagram (Figure 3.1).
  • Page 34 Additional heaters Neutral Ground 120V-60 Hz. Supply LS Series Burner LS Series Burner Control Box Control Box B. 24V Thermostat Control (requires optional combination relay transformer P/N: R8285B) Common required for thermostats that require constant power.
  • Page 35 NOTE: If any of the original wire supplied with the appliance must be replaced, it must be replaced with wiring material having a temperature rating of at least 105° C. Figure 3.2 • LS Series Internal Wiring Diagrams A. LS Series Ladder Diagram TP-351A with Thermo Cutoff 120VAC Blower...
  • Page 36 24V Digital (field supplied) Outlet Burner Control Box Thermostat 120 V w/24VAO 120V power -(observe polarity) B. LS Series Internal Block Wiring Diagram TP-351A with Thermo Cutoff - Internal Relay Option (24VAO) Burner Terminal Block Relay Ignitor Flame Pressure Switches Thermo...
  • Page 37: Operation

    Series Operation • Operating Instructions Operation WARNING This appliance does not have a pilot ignition. It is equipped with an ignition device which automatically lights the burner. Do not attempt to light the system by hand. BEFORE OPERATING, smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle to the floor.
  • Page 38: Sequence Of Operation

    Operation Series • Sequence of Operation • Thermostat WARNING This heater must be installed and serviced by trained gas installation and service personnel only. Do not bypass any safety features or the heater’s built in safety mechanisms will be compromised. Sequence of Operation Starting Circuit: Upon a call for heat, the fan is energized.
  • Page 39: Diagnostics

    Series Operation • Diagnostics Operational Indicator Lights Externally located operational indicator lights are provided to assist in troubleshooting of the heater. Refer to pages 40-43 for additional troubleshooting. Figure 4.1 • Operational Indicator Lights PRESSURE VALVE SWITCH Light 1 Light 2 Indicates valve Indicates pressure is energized...
  • Page 40: Maintenance

    Series Maintenance • Troubleshooting Guide Maintenance Turn up thermostat Is the power at the Does the fan Is the blower heater 120V? blower turn on? obstructed? Find the source of the electrical Remove obstruction problem between panel and heater. and lubricate fan. Is the inlet or the outlet of the unit obstructed (i.e., Does the switch...
  • Page 41 Series Maintenance • Troubleshooting Guide Bypassing any switch is intended for testing purposes only. Do not leave switch bypassed NOTICE during normal operation or the heater’s built-in safety mechanisms will be compromised. Process Start Corrective Is 120V coming Correct Question Question Action to the fan?
  • Page 42 Series Maintenance • Troubleshooting Guide Continued from page 40 After igniter is Test for 120V at valve opening period (usually 30 to 45 seconds warmed up, does after power to heater). Is there 120V to valve for 8 seconds? gas valve open? Replace circuit board and/or wiring harness.
  • Page 43 Series Maintenance • Troubleshooting Guide Check to make sure gas pressure is within minimum and maximum inputs, as indicated on burner rating plate. Replace gas valve. Is gas pressure OK? Correct problem. Confirm manifold pressure is Were the gas lines purged of air? correct and/or gas orifice is not plugged and is the correct size.
  • Page 44: Heater Components And Parts List

    Maintenance • Series Heater Components and Parts List Figure 5.1 • Burner Assembly Components 1013 264E,D,F 55A, 1015 1021 1060D,F 351A 1033 352A 302, 302A 222A 9 10 1070 334* 240, 241 208B Chart 5.1 • Parts List Part No. Description Part No.
  • Page 45 Series Maintenance • Heater Components and Parts List Figure 5.2 • Tube & Reflector Components 1078 1079 20C, 112, 20D* 1082, 1076 1077 1083 1088 1086 Part No. Description Part No. Description TP-217 Pressure Switch Barb TP-333 Black 72 in. 120V 3-Prong Power Cord TP-218 Exhaust Pressure Switch Vinyl Sensing Tube TP-334*...
  • Page 46: Maintenance Checks

    Maintenance • Series Maintenance Checks & Log 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.
  • Page 47: Limited Warranty

    Product Suitability. Many jurisdictions have codes and regulations governing sales, construction, installation, and/ or use of products for certain purposes, which may vary from those in neighboring areas. While Detroit Radiant Products Company attempts to assure that its products comply with as many codes, it cannot guarantee compliance, and cannot be responsible for how the product is installed or used.
  • Page 48: Kit Contents

    Installation Manual Center Support (RCS) The LS Series Infrared Tube Heater is a positive pressure, single stage radiant heater system. This manual provides specific information related to the LS Series model. All persons involved with the installation, operation and maintenance of the heater system must read and understand the information in this manual.

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