York YSWU 10 Quick Start Up Manual page 2

Indoor packaged air conditioning units
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READ BEFORE PROCEEDING!
This equipment is a relatively complicated apparatus.
During installation, operation, maintenance or service,
individuals may be exposed to certain components or
conditions including, but not limited to: refrigerants,
oils, materials under pressure, rotating components,
and both high and low voltage. Each of these items
has the potential, if misused or handled improperly, to
cause bodily injury or death. It is the obligation and re-
sponsibility of operating/service personnel to identify
and recognize these inherent hazards, protect them-
selves, and proceed safely in completing their tasks.
Failure to comply with any of these requirements could
result in serious damage to the equipment and the prop-
The following symbols are used in this document to alert the reader to areas of potential hazard:
DANGER indicates an imminently haz-
ardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a potentially haz-
ardous situation which, if not avoided,
could result in death or serious injury.
External wiring, unless specified as an optional connection in the manufacturer's product line, is
not to be connected inside the control panel cabinet. Devices such as relays, switches, transducers
and controls may not be installed inside the control panel. No external wiring is allowed to be run
through the control panel. All wiring must be in accordance with Johnson Controls published speci-
fications and must be performed only by qualified Johnson Controls personnel. Johnson Controls
will not be responsible for damages/problems resulting from improper connections to the controls or
application of improper control signals. Failure to follow this will void the manufacturer's warranty
and cause serious damage to property or injury to persons.
2
IMPORTANT!
GENERAL SAFETY GUIDELINES
SAFETY SYMBOLS
erty in which it is situated, as well as severe personal
injury or death to themselves and people at the site.
This document is intended for use by owner-authorized
operating/service personnel. It is expected that this in-
dividual possesses independent training that will en-
able them to perform their assigned tasks properly and
safely. It is essential that, prior to performing any task
on this equipment, this individual will have read and
understood this document and any referenced materi-
als. This individual will also be familiar with and com-
ply with all applicable governmental standards and
regulations pertaining to the task in question.
CAUTION identifies a hazard which
could lead to damage to the machine,
damage to other equipment and/or envi-
ronmental pollution. Usually an instruc-
tion will be given, together with a brief
explanation.
NOTE is used to highlight additional
information which may be helpful to you.
FORM 145.05-SU3 (611)
ISSUE DATE 6/01/2011
JOHNSON CONTROLS

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