WARNING
!
!
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.
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.
For Your Safety
If you smell gas:
• 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 fire department.
LIOHL2DS-Rev. 12917
Print: 1M-10/18 (CDS)
Replaces: 5c-04/18 (WHI)
HL2-DS Series
Installation Manual
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)
