IMPORTANT!
READ BEFORE PROCEEDING!
GENERAL SAFETY GUIDELINES
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
responsibilities of operating/service personnel to identify and recognize these inherent hazards, protect
themselves, 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 property 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
individual posseses independent training that will enable them to perform their assigned tasks properly and
safely. It is essential that, prior to performing any task on this equipment, this individual shall have read and
understood this document and any referenced materials. This individual shall also be familiar with and comply
with all applicable governmental standards and regulations pertaining to the task in question.
In complying with YORK’ s policy for continuous product improvement, the information contained in this
document is subject to change without notice. While YORK makes no commitment to update or provide
current information automatically to the manual owner, that information, if applicable, can be obtained by
contacting the nearest YORK Applied Systems Service office.
It is the responsibility of operating/service personnel to verify the applicability of these documents to the
equipment in question. If there is any question in the mind of operating/service personnel as to the applicability
of these documents, then prior to working on the equipment, they should verify with the owner whether the
equipment has been modified and if current literature is available.
CHANGEABILITY OF THIS DOCUMENT
Nomenclature
Y E W 100 H
E
A 50
Design Level
50-380V-3P-50Hz
53-400V-3P-50Hz
55-415V-3P-50Hz
64-460V-3P-60Hz
62-230V-3P-60Hz
A-HFC134a
H - High efficiency AC
B - High efficiency ITS
P - Premium efficiency AC
Unit Model
Screw Compressor
High Efficiency
YORK
Water Cooled
S -
Special Design
HP
Heat Pump
S
YEWS-E Water Cooling Screw Chiller/Heat Pump
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