8. The hose assembly shall be visually inspected on
a daily basis after heater relocation and when the
heater is in use. If it is evident there is excessive
abrasion or wear, or if the hose is cut, it must be
replaced prior to the heater being put into opera-
tion. The hose assembly shall be protected from
building materials, and contact with hot surfaces
during use. The replacement hose assembly
shall be that specifi ed by the manufacturer. See
parts list.
9. Premier 350DF heaters are equipped with a gas
selector valve. The selector valve must be prop-
erly positioned for the gas supplied to the heater.
Further information on this feature is provided on
page 17 of this manual.
10. Check for gas leaks and proper function upon
heater installation, when relocating, and after
servicing. Refer to leak check instructions within
installation section of this manual.
11. This heater shall be inspected for proper opera-
tion by a qualifi ed service person before each
use and at least annually.
12. Always turn off the gas supply to the heater if the
heater is not going to be used in the heating of
the work space.
13. This heater is equipped with a three-prong
(grounding) plug for your protection against
shock hazard and must be plugged directly into
a properly grounded three-prong receptacle.
Failure to use a properly grounded receptacle
can result in electrical shock, personal injury, or
death.
14. If gas fl ow is interrupted and fl ame goes out, do
not relight the heater until you are sure that all
gas that may have accummulated has cleared
away. In any event, do not relight the heater for
at least 5 minutes.
15. The heater requires a minimum 500 gallon/1892
litre propane tank for proper gas supply pressure
and operation. A larger tank may be required
depending upon operating conditions at the site.
Premier Ductable Heaters
16. When the heater is to be stored indoors, the
connection between the propane gas supply
cylinder(s) and the heater must be disconnected
and the cylinder(s) removed form the heater and
stored in accordance with the Standard for the
Storage and Handling of Liquifi ed Petroleum
Gases, ANSI/NFPA 58 or Standard CSA B149.1
Natural Gas and Propane Installation Code as
appropriate.
17. Propane gas supply containers have left handed
threads. Always use the appropriate wrench
to make a connection to tighten or loosen the
pigtail connector's P.O.L. fi tting at the container's
gas supply valve.
18. For either indoor or outdoor installation and
use. Adequate ventilation shall be provided
in accordance with OSHA 29 CFR 1926.154,
Safety Requirements for Temporary and Portable
Space Heating Devices and Equipment, ANSI
A10.10, National Fuel Gas Code, ANSI
Z223.1/NFPA54, Liquifi ed Petroleum Gas Code,
NFPA 58 or the Natural Gas and Propane
Installation Code, CAN B149.1, as appropriate.
Owner's Manual • Premier 350
9