Unit installation

IOMM ACZ/AGZ 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
Design Vintage
Model Size
Application
S= Standard Cooling
M= Remote Evaporator