JOHNSON CONTROLS
3
FORM ET115.24-NOM5 (908)
SAFETY SYMBOLS
The following symbols are used in this document to alert the reader to areas of potential hazard:
CAUTION identies a hazard which
could lead to damage to the machine,
damage to other equipment and/or
environmental pollution. Usually an
instruction will be given, together with
a brief explanation.
NOTE is used to highlight additional
information which may be helpful to
you.
DANGER indicates an imminently
hazardous situation which, if not
avoided, will result in death or serious
injury.
WARNING indicates a potentially
hazardous situation which, if not
avoided, could result in death or se-
rious injury.
SAFETY CONSIDERATIONS
The equipment covered by this manual is designed for
safe and reliable operation when installed and operated
within its design specication limits. To avoid personal
injury or damage to equipment or property while
installing or operating this equipment, it is essential
that qualied, experienced personnel perform these
functions using good judgment and safe practices. See
the following cautionary statements.
ELECTRICAL SHOCK HAZARDS.
All power must be disconnected prior
to installation and serving this equip-
ment. More than one source of power
may be present. Disconnect all power
sources to avoid electrocution or shock
injuries.
MOVING PARTS HAZARDS. Mo-
tor and Blower must be disconnected
prior to opening access panels. Motors
can start automatically, disconnect
all power and control circuits prior to
servicing to avoid serious crushing or
dismemberment injuries.
HOT PARTS HAZARD. Electric Re-
sistance heating elements must be dis-
connected prior to servicing. Electric
Heaters may start automatically, dis-
connect all power and control circuits
prior to servicing to avoid burns.
Check that the unit assembly and com-
ponent weights can be safely supported
by rigging and lifting equipment.
All assemblies must be adequately
secured during lifting and rigging by
temporary supports and restraints un-
til equipment is permanently fastened
and set in its nal location.
All unit temporary and permanent
supports must be capable of safely
supporting the equipment’s weight and
any additional live or dead loads that
may be encountered. All supports must
be designed to meet applicable local
codes and ordinances.
All fastening devices must be designed
to mechanically lock the assembly in
place without the capability of loosen-
ing or breaking away due to system
operation and vibration.
Protect adjacent ammable materials
when brazing, Use ame and heat pro-
tection barriers where needed. Have
re extinguisher available and ready
for immediate use.
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