Detroit Radiant Products ELX Series User manual

LIOELX-Rev. 17720
Print: 1c-11/21 (DRPC)
ELX Series
Installation Manual
Overhead Electric Infrared Heater with Interchangeable Elements
1, 2, and 3 Lamp Units
WARNING
!
!
All persons involved with the installation, operation, and maintenance of the heater
system must read and understand all the information in this manual.
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.
INSTALLER: Present this manual to the end user.
Keep these instructions in a clean and dry place for future reference.
Model#: ______________________ Serial #: _____________________________
(located on rating label)

2
Contents
1.0 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Applications ........................................................................ 3
Model Number Designation Chart................................................... 4
AvailableModelsandSpecications ................................................ 4
Clearances to Combustibles ........................................................ 7
Safety Labels and Their Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Standards,Certications,andGovernmentRegulations ...........................10
2.0 Installation ........................................................................... 11
Design .............................................................................11
Heater Mounting ...................................................................13
Lamp Installation...................................................................15
Outdoor Application ...............................................................16
Electrical Wiring....................................................................16
3.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
TroubleshootingGuide .............................................................19
Heater Assembly Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Parts List...........................................................................21
4.0 Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
WARNING
!
California Proposition 65
This product can expose you to chemicals including lead, which is known to the State of California to
cause birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov.

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Safety Symbols
Safety is the most important consideration during installation, operation, and maintenance of the
infrared heater. You will see the following symbols and signal words when there is a hazard related to
safety or property damage.
1.0 Safety •Safety Symbols •Applications
Applications
This is not an explosion proof heater. No ELX series heater may be used in a Class 1 or Class 2
ExplosiveEnvironment.Consultyourlocalremarshal,insurancecarrier,andotherauthoritiesfor
approval if the proposed installation is in question.
Commercial / Industrial (Indoors & Outdoors)
Infraredheatersaredesignedandcertiedforuseinindustrialandcommercialbuildingssuchas
warehouses, manufacturing plants, aircraft hangars, and vehicle maintenance shops. For maximum
safety, the building must be evaluated for potential hazards before installing the heater system. A critical
safety factor to consider before installation is the clearances to combustibles.
Outdoor Residential Only
This heater is NOT approved for use in an indoor residential application. This includes, but is not limited
to,attachedgarages,livingquarters,solariums,etc.Consultthelocalremarshaland/orinsurance
provider if unsure of your application.
1.0 Safety
Not For Residential Use.
Installation of this infrared heater system in residential indoor spaces, RVs,
mobilehomes,etc.mayresultinpropertydamage,re,seriousinjury,or
death.
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.
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,qualiedpersonnelwithproperelectricalexperiencemay
install or service this equipment.
WARNING
!
NOTICE
CAUTION
!
WARNING
!
!
WARNING
!
!

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Series Material Type Lamp Quantity Voltage
1.0 Safety •Model Number Designation Chart • Available Models
ELX-24
ELX-33
ELX-46
B = Black Powder Coat with Black Nylon End Caps
or
S = Stainless Steel with Black Nylon End Caps
1120
208
240
277
480
575
2
3
Chart 1.1 • Model Number Designation Chart
Model Con iguration Examples: ELX-24B1-120 or ELX-33S2-277
* Heaters are configured at the factory for single phase wiring. If three phase service is desired, it must
be wired as such in the field by a trained installer / electrical contractor.

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Combustible Items Include: Moving Objects Include:
• Wood • Overhead doors
• Paper • Vehicles on lifts
• Fabric • Cranes
• Chemicals • Hoists
• Wall or roof insulation
• Plastics
When installing the infrared heater system, the minimum clearances to combustibles must be
maintained. These distances are shown in Chart 1.5 and on the heater. If you are unsure of the potential
hazards,consultyourlocalremarshal,reinsurancecarrier,orotherqualiedauthoritiesonthe
installation of infrared heaters for approval of the proposed installation.
A critical safety factor to consider before installation is the clearances to combustibles. Clearance to
combustiblesisdenedas
the minimum distance you must have between the indicated surface and
the combustible item
. Considerations must also be made for moving objects around the infrared heater.
The following is a partial list of items to maintain clearances from:
Hazards Include:
For maximum safety the building must be evaluated for hazards before installing the heater system.
Examples include, but are not limited to:
• Gasandelectricallines
• Combustible and explosive materials
• Chemical storage areas
• Areas of high chemical fume concentrations
• Provisions for accessibility to the heater
• Adequate clearances around air openings
• Vehicle parking areas
• Vehicles with lifts or cranes
• Storage areas with stacked materials
• Lights
• Sprinkler heads
• Overhead doors and tracks
• Dirty, contaminated environment
Signs shall be posted specifying the maximum permissible stacking height in order
to maintain clearances to combustibles.
Placementofexplosiveobjects,ammableobjects,liquids,
andvaporsclosetotheheatermayresultinexplosion,re,
property damage, serious injury, or death. Do not store or use
explosive objects, liquids, or vapors in the vicinity of the
heater.
Failure to comply with the published clearances to combustibles could result in personal injury, death,
and/or property damage.
The outside surfaces of the heater are hot during operation and after operation. If contact is made,
permanent skin damage may occur. Do not move, handle, or service the unit during operation or while
hot.
1.0 Safety •Clearances to Combustibles
Clearances to Combustibles
WARNING
!
CAUTION
!