3
IOM 1372
WWW.DAIKINAPPLIED.COM
INTRODUCTION
Introduction
This manual provides installation, operation, and maintenance
information for Magnitude
®
WME-D centrifugal chillers with a
MicroTech
®
controller.
NOTICE
Installation and maintenance are to be performed only by
licensed, if required by local codes and regulations, or qualified
personnel who are familiar with local codes and regulations and
are experienced with this type of equipment.
DANGER
LOCKOUT/TAGOUT
all power sources prior to service, pressurizing, de-
pressuring, or powering down the unit. Failure to follow this warning exactly can
result in serious injury or death. Disconnect electrical power before servicing
the equipment. More than one disconnect may be required to denergize the
unit. Be sure to read and understand the installation, operation, and service
instructions within this manual.
WARNING
Electric shock hazard. Improper handling of this equipment can cause personal
injury or equipment damage. This equipment must be properly grounded.
Connections to and service of the MicroTech
control panel must be performed
only by personnel that are knowledgeable in the operation of the equipment
being controlled.
WARNING
Polyolester Oil, commonly known as POE oil is a synthetic oil used in many
refrigeration systems, and may be present in this Daikin Applied product. POE
oil, if ever in contact with PVC/CPVC, will coat the inside wall of PVC/CPVC
pipe causing environmental stress fractures. Although there is no PVC/CPVC
piping in this product, please keep this in mind when selecting piping materials
for your application, as system failure and property damage could result. Refer
to the pipe manufacturer’s recommendations to determine suitable applications
of the pipe.
CAUTION
Static sensitive components. A static discharge while handling electronic circuit
boards can cause damage to the components. Discharge any static electrical
charge by touching the bare metal inside the control panel before performing
any service work. Never unplug any cables, circuit board terminal blocks, or
power plugs while power is applied to the panel.
Hazard Identification
DANGER
Danger indicates a hazardous situation, which will result in death or serious
injury if not avoided.
WARNING
Warning indicates a potentially hazardous situations, which can result in
property damage, personal injury, or death if not avoided.
CAUTION
Caution indicates a potentially hazardous situations, which can result in minor
injury or equipment damage if not avoided.
NOTICE
Notice indicates practices not related to physical injury.
NOTE:
Indicates important details or clarifying statements for
information presented.