IOMM ACZ/AGZ-1 3
Introduction
IMPORTANT INFORMATION
This Installation and Operating Manual contains information on three different McQuay
product lines
• Model AGZ-AM This is a split packaged chiller consisting of an outdoor unit and
an evaporator shipped loose for remote mounting. Liquid line specialties are field
supplied and mounted. Capacity control is either Johnson UNT or McQuay’s
MicroTech Control. The outdoor unit is basically the same as an ACZ condensing
unit, the difference being in how it is packaged and in the control furnished.
• Model ACZ This is an air-cooled condensing unit for use with a remote evaporator,
typically a water chiller or DX coil. No capacity control is supplied, nor are any liquid
line specialties nor evaporator.
• Model CDE This is a DX water chiller that can be used in conjunction with the
Model ACZ condensing unit. No controls or specialties are included.
Nomenclature
A G/C Z - XXX A S/M
Inspection
Check all items carefully against the bill of lading. Inspect all units for damage upon arrival. Report
shipping damage and file a claim with the carrier. Check the unit name plate before unloading, making
certain it agrees with the power supply available. McQuay is not responsible for physical damage
after unit leaves the factory.
Note: Unit shipping and operating weights are available in the Physical Data tables beginning
on page 18.
Air-Cooled
G=Chiller
C=Cond. Unit
Scroll Compressor
Application
S=Standard Cooling
M=Remote Evaporator
Design Vintage
Model Size
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