Johnson Controls YEWS Series, Installation, Operation And Maintanance Instructions

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1.5 ABOUT THIS MANUAL
The following terms are used in this document to alert the
reader to areas of potential hazard.
A WARNING is given in this document to
identify a hazard, which could lead to personal
injury. Usually an instruction will be given, tog-
ether with a brief explanation and the possible
result of ignoring the instruction.
A CAUTION identifies 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 and the possible result
of ignoring the instruction.
A NOTICE is used to highlight additional
information, which may be helpful to you but
where there are no special safety implications.
The contents of this manual include suggested best
working practices and procedures. These are issued for
guidance only, and they do not take precedence over the
above stated individual responsibility and/or local safety
regulations.
This manual and any other document supplied with the
unit are the property of YORK which reserves all rights.
They may not be reproduced, in whole or in part, without
prior written authorization from an authorized YORK
representative.
1.6 MISUSE OF EQUIPMENT
Suitability for Application
The unit is intended for cooling water and is not suitable
for purposes other than those specified in these
instructions. Any use of the equipment other than its
intended use, or operation of the equipment contrary to
the relevant procedures may result in injury to the
operator, or damage to the equipment. The unit must not
be operated outside the design parameters specified in
this manual.
Structural Support
Structural support of the unit must be provided as
indicated in these instructions. Failure to provide proper
support may result in injury to the operator, or damage to
the equipment and/or building.
Mechanical Strength
The unit is not designed to withstand loads or stresses
from adjacent equipment, pipework or structures.
Additional components must not be mounted on the unit.
Any such extraneous loads may cause structural failure
and may result in injury to the operator, or damage to the
equipment. The unit should only be lifted in accordance
with the instructions given in Section3 of this manual.
General Access
There are a number of areas and features, which may be a
hazard and potentially cause injury when working on the
unit unless suitable safety precautions are taken. (It is
important to ensure access to the unit is restricted to
suitably qualified persons who are familiar with the
potential hazards and precautions necessary for safe oper-
ation and maintenance of equipment containing high
temperatures, pressures and voltages.)
Pressure Systems
The unit contains refrigerant vapor and liquid under
pressure, release of which can be a danger and cause
injury.
The user should ensure that care is taken during
installation, operation and maintenance to avoid damage
to the pressure system. No attempt should be made to gain
access to the component parts of the pressure system
other than by suitably trained and qualified personnel.
Electrical
The unit must be earthed. No installation or maintenance
work should be attempted on the electrical equipment
without first switching power OFF, isolating and locking-
off the power supply. Servicing and maintenance on live
equipment must only be performed by suitably trained
and qualified personnel. No attempt should be made to
CAUTION
NOTE
WARNING
YEWS-E Water Cooling Screw Chiller/Heat Pump