General Description - Daikin WMC Installation, Operation And Maintenance Manual

General Description

Daikin Magnitude Centrifugal Chillers are complete, self-
®
contained, automatically controlled, fluid-chilling units featuring
oil-free, magnetic bearing compressors. All Magnitude
are equipped with a single evaporator and a single condenser
along with either one or two compressors depending on the
model.
Magnitude chillers are designed for indoor, non-freezing
®
installation only. The chillers use refrigerant HFC-134a that
operates at a positive pressure over the entire operation range,
so no purge system is required.
Only normal field connections such as water piping, relief valve
Magnetic Bearings
Centrifugal Compressor
Figure 1: WMC-C Major Component Locations
Evaporator Vessel
Tube Sheet
Condenser Vessel
NOTE: Unit shown with right-hand water connections. Water connection orientation is based on facing the unit power panel.
IOM 1210-1 • MAGNITUDE
®
NOMENCLATURE
W M C 290 D CS
Water-Cooled
Compressor #1
MODEL WMC CHILLERS
®
piping, electric power, and control interlocks are required,
thereby simplifying installation and increasing reliability.
chillers Necessary equipment protection and operating controls are
included.
All Daikin Applied centrifugal chillers must be commissioned by
a factory-trained Daikin Applied service technician. Failure to
follow this startup procedure can affect the equipment warranty.
The standard limited warranty on this equipment covers parts
that prove defective in material or workmanship. Specific
details of this warranty can be found in the warranty statement
furnished with the equipment.
Power Panel
4
I
nTroduCTIon
Vintage/Single Circuit
D = Dual Compressors
S = Single Compressor
Nominal Tons
Compressor #2
Control Panel
Operator
Interface Touch
Screen (OITS)
Tube Sheet
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