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HL2-DS Series
Installation Manual
The HL2-DS Series Infrared Tube Heater is a positive pressure, two-stage radiant heater system designed
for unvented use outdoors. This manual provides specific information related to the HL2-DS series
models. 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.
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.
Not for residential use! Do not use this heater in the home, sleeping quarters,
attached garages, etc. Installation of a commercial tube heater system in
residential indoor 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.
INSTALLER: Present this manual to the end user.
Keep these instructions in a clean and dry place for future reference.
Model#: ______________________ Serial #: _____________________________
!
WARNING
!
• Immediately call your gas supplier from a neighbor's phone.
• Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
(located on rating label)
LIOHL2DS-Rev. 12917
Print: 1M-10/18 (CDS)
Replaces: 5c-04/18 (WHI)
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Related Manuals for Radiant HL2-DS-30-65
Summary of Contents for Radiant HL2-DS-30-65
- Page 1 HL2-DS Series Installation Manual The HL2-DS Series Infrared Tube Heater is a positive pressure, two-stage radiant heater system designed for unvented use outdoors. This manual provides specific information related to the HL2-DS series models. 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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Page 2: Table Of Contents
HL2-DS Series Contents .0 Introduction ................3 Overview. -
Page 3: Introduction
Also verify that you have received all heater components included with your radiant tube heater. Refer to page 40 for a list of the kit contents for your series heater. Materials not included in the heater kit contents (e.g., screws, terminals, etc.) are the responsibility of the installer. -
Page 4: Safety Labels And Their Locations
WARNING Read and understand all safety information and warnings in this manual before installation, operation, and maintenance of the radiant tube heater system. Safety Labels and Their Locations Product safety signs or labels should be replaced by the product user when they no longer are legible. - Page 5 Introduction • Safety Labels and Their Locations HL2-DS Series LED CODE FAULT STATUS FAULT CODE DELAY Initial flash on power up, No fault, normal operation No delay then steady off Steady on Module failure / Internal fault No delay 1 flash Ignition failure 3 minutes APS air flow fault...
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Page 6: Safety
Safety • Warning Symbols • Applications HL2-DS Series Safety Read and understand all safety information and warnings in this manual prior to installation, operation, and maintenance of this tube heater. Warnings indicate a potentially hazardous situation which, if not avoided, could result in death or injury. WARNING Improper installation, adjustment, alteration, service, or maintenance can cause property damage, serious injury, or death. -
Page 7: Standards, Certifications, And Government Regulations
Safety • Standards, Certifications, and Government Regulations HL2-DS Series Standards, Certifications, and Government Regulations Installation of this tube heater must conform with all applicable local, state, and national specifications, regulations, and building codes. Contact the local building inspector and/or fire marshal 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). -
Page 8: Clearances To Combustibles
Safety • Clearances to Combustibles HL2-DS Series Clearances to Combustibles A critical safety factor to consider before installation is the clearances to combustibles. Clearance to combustibles is defined as the minimum distance you must have between the tube surface, or reflector, and the combustible item . - Page 9 Sides Mounting Model Number Angle* Front Behind Below 0° HL2-DS-30-65 [N, P] 30° 0° HL2-DS-30-80 [N, P] 30° 0° HL2-DS-30-100 [N, P] 30° Heaters mounted on an angle between 0° and 30° must maintain clearances posted for 0° or 30°; whichever is greater.
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Page 10: Installation
Inspect and evaluate the mounting conditions, gas supply, and wiring. When designing an infrared radiant heating system for a patio, consider the following: • What expectations does the end user have for coverage and comfort level of the space? •... -
Page 11: Recommended Mounting Heights
* Factory recommended mounting heights are listed as a guideline. If infrared heaters are mounted too low or too high, they may result in discomfort due to excessive heat or lack of heat. Detroit Radiant Products Company generally recommends observing the recommended mounting heights to optimize comfort conditions. -
Page 12: Heater Assembly Instructions
Installation • Heater Assembly Instructions HL2-DS Series Heater Assembly Instructions WARNING At least two people are required to assemble and hang this heater. Failure to follow these instructions can result in property damage, serious injury, or death. Read and understand the installation, operation, and maintenance instructions thoroughly before installing or servicing this equipment. - Page 13 Align both tube and reflector assemblies, then carefully slide the assemblies together, guiding the radiant tubes into one another. The exhaust end reflector will slightly overlap the burner end reflector. The tube and reflector assemblies are in the correct position when the reflector screw holes are aligned (see Fig.
- Page 14 HL2-DS Series Secure both radiant tube sections together with one (1) included self-tapping screw in each. Using the four (4) screws provided and a nut driver, attach the reflectors together so that the screws are hand tight. Do not overtighten as this will not allow for the expansion and contraction of the reflectors.
- Page 15 Installation • Heater Assembly Instructions HL2-DS Series Insert the bolt in the nutsert and secure (see Fig. 3.8). With one person positioned at each end of the heater, carefully flip the unit over and set back down onto the cartons. Using the supplied bolts attach the hanging brackets to the top of the unit (see Fig. 3.8).
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Page 16: Heater Placement And Suspension
Installation • Heater Placement and Suspension HL2-DS Series Heater 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 17: Sway Bracing For High Air Movement And Outdoor Applications
Installation • Sway Bracing for High Air Movement and Outdoor Applications HL2-DS Series Figure 3.10 • Egg Crate Installation Egg Crate Egg Crate Egg Crate Egg Crate End Panel Bracket End Panel Bracket Sway Bracing for High Air Movement and Outdoor Applications For high air movement and outdoor applications, install side restraints (field supplied) to reduce side to side swaying (Fig. -
Page 18: Outdoor Unvented Operation
Installation • Outdoor Unvented Operation HL2-DS Series Outdoor Unvented Operation WARNING This appliance must be used outdoors only! Use of this heater indoors may result in property damage, serious injury, or death. This is an unvented, outdoor appliance. If the use of wind barriers is required, consider the following: •... -
Page 19: Gas Supply Installation Instructions
Installation • Gas Supply Installation Instructions HL2-DS Series Gas Supply Installation Instructions The gas supply to the unit heater must be connected and tested in accordance with national, state, provincial, and local codes along with guidelines in this manual. In the United States refer to the latest edition of the ANSI Z223.1 (NFPA54) Standard. - Page 20 Installation • Gas Supply Installation Instructions HL2-DS Series To connect the gas: WARNING Failure to install, operate, or service this appliance in the approved manner may result in property damage, injury, or death. Only trained, qualified gas installation and service personnel may install or service this equipment.
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Page 21: Installation Of The Gas Line To The Heater
Installation • Installation of the Gas Line to the Heater HL2-DS Series Installation of the Gas Line to the Heater Install a sediment trap / drip leg in the supply line at the lowest spot prior to the gas ball valve. The trap length shall be at least three inches long. - Page 22 Min. Inlet Max. Inlet Input Pressure Pressure Pressure Gas Consumption Model High/Low (Inches W.C) (Inches W.C.) (Inches W.C.) (CFH)* 65,000 (High) 61.9 HL2-DS-30-65 14.0 50,000 (Low) 47.6 80,000 (High) 76.2 HL2-DS-30-80 14.0 52,000 (Low) 49.5 HL2- 100,000 (High) 95.2 14.0 DS-30-100 65,000 (Low) 61.9...
- Page 23 Installation • Gas Supply Installation Instructions HL2-DS Series Figure 3.14 • Recommended Hardware • Manual Shut Off and Sediment Tra In Canada, infrared heater shall only be Flow of Gas connected with a Type I hose connector that is (a) certified as being in compliance Shut Off with the Standard for Elastomeric Composite Hose and Hose Couplings for...
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Page 24: Leak Testing
Installation • Gas Supply Installation Instructions • Leak Testing HL2-DS Series When connecting piping to the unit, the use of a thread joint compound is required. The thread compound (pipe dope) shall be resistant to the action of liquefied petroleum gas or any other chemical constituents of the gas to be conducted through the piping. -
Page 25: Electrical Requirements And Wiring Diagrams
Installation • Electrical Requirements and Wiring Diagram • Internal Wiring Diagram HL2-DS Series Electrical Requirements and Wiring Diagrams WARNING Shock hazard. Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage. Any original factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105°C minimum voltage. -
Page 26: Field Wiring Supply Voltage
Installation • Field Wiring Supply Voltage HL2-DS Series WARNING Incorrect or improper wiring may result in shock, injury, or death. Field wiring to the heater must be connected and grounded in accordance with national, state, provincial, local codes, and to the guidelines in this manual. Refer to the most current revisions to the ANSI/NFPA 70 Standard. -
Page 27: Thermostat Connection
Installation • Thermostat Connection • Thermostat Location HL2-DS Series Thermostat Connection NOTE: Different thermostats operate according to their particular features. Refer to thermostat specifications for details. HL2-DS series heaters may be controlled by a thermostat or switch. The control voltage is 24 VAC and the burner control box is equipped with a 60”... -
Page 28: Operation
Operation • Sequence of Operation HL2-DS Series Operation Sequence of Operation Standby: The circuit board continually checks for internal faults, circuit integrity, and relay contact positioning. Starting Circuit: Upon a call for heat, the control verifies that the differential switch is in the proper position (open). -
Page 29: Diagnostics
Operation • Diagnostics HL2-DS Series Diagnostics Lockout: The controls will automatically lockout the heater system when an external or system fault occurs. There are two types of lockout: Soft Lockout: The heater will attempt to light three times. In the event of a failed attempt to light, (gas pressure, valve, no flame sense, etc.), the heater will enter a Soft Lockout period for 30 minutes and then attempt to light three more times before entering Hard Lockout mode. -
Page 30: Troubleshooting Guide
Troubleshooting Guide HL2-DS Series Troubleshooting Guide Turn up thermostat. Is the power at the Does the fan heater 120 V? blower turn on? Find the source of the electrical problem between panel and heater. Is there 120 V on the Find the source of the Check the power across the primary side of the... - Page 31 Are they OK? APS fault (2 flashes)? • Baffle(s) are in the radiant tube furthest from the burner. • Heater, fan blowers ,squirrel cage, intake and exhaust are clean and free from dirt Replace wiring or hose Consult factory.
- Page 32 Troubleshooting Guide HL2-DS Series Continued from page 30. Test for 24 V at valve opening period (usually 30 to 45 seconds After igniter is warmed up, does gas after power to heater). Is there 24 V to valve for 8 seconds? valve open (low light illuminates)? Replace circuit board.
- Page 33 Troubleshooting Guide HL2-DS Series 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. Check to make sure gas pressure is within minimum and maximum inputs, as indicated on the heater’s rating plate.
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Page 34: Maintenance
Maintenance • Routine Maintenance and Inspection HL2-DS Series 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. -
Page 35: Maintenance Log
Maintenance • Routine Maintenance and Inspection HL2-DS Series • Heat exchangers: Check the integrity of the heat exchangers. Replace if there are signs of structural failure. Check for corrosion and/or buildup within the tube exchanger passageways. • Burner: Check for proper ignition, burner flame and flame sense. Flame should extend directly outward from burner without floating or lifting. -
Page 36: Parts
Parts • Heater Components and Parts List HL2-DS Series Parts 264B Figure 7.1 • Burner Assembly Components 1018 802B 851B 3252 383A 804B 1428 222A 3072 TP-840A, 841A 303B 208A Chart 7.1 • Parts List Part No. Description Part No. Description TP-1S Control Box Cover - Stainless Steel... -
Page 37: Tube And Reflector Components
Parts • Heater Components and Parts List HL2-DS Series Figure 7.2 • Tube and Reflector Components 879A 7075 7079 811A Chart 7.1 • Parts List (cont.) Part No. Description Part No. Description TP-303B End Panel, Right - Black TP-876 7’ Unswedged Tube TP-321 Ignition Plate Gasket TP-877... -
Page 38: Limited Warranty Terms And Conditions
Except as provided below, no warranty or affirmation of fact, expressed or implied, other than as stated in the “LIMITED WARRANTY” above is made or authorized by Detroit Radiant Products Company. - Page 39 Maintenance • Notes HL2-DS Series Notes...
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Page 40: Kit Contents Check List
Series Installation, The HL2-DS Series Infrared Tube Heater is a positive pressure, two-stage radiant heater system. This manual provides specific information related to the HL2-DS series models. 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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