DES3 Series
Insert Manual
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.
For complete installation instructions, see the Tube Heater General Manual
that accompanies this Series Insert Manual.
The DES3 Series Infrared Tube Heater is a positive pressure, single-stage radiant heater system. This
insert manual is a supplement to the Tube Heater General Manual and provides specific information
related to the DES3 Series model. All persons involved with the installation, operation and maintenance
of the heater system must read and understand the information in this insert manual and the
accompanying Tube Heater General 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.
Keep these instructions for future reference.
LIODES3-Rev. 18111
Print: 1M-9/12(CDS)
Replaces: LIODES3-1M-8/10(CDS)
