McQuay ACZ 025A User Manual

2
ACZ 010A through 039A IOMM ACZ1
Table of Contents
Introduction........................................3
General Description..........................................3
Inspection.........................................................3
Installation........................................................3
Handling...........................................................3
Location ...........................................................4
Service Access..................................................4
Vibration Isolators............................................6
Chilled Water System.......................................6
Refrigerant Piping ............................................9
Unit Component Location..............................12
Control Layout and Operation.......13
Control Center................................................13
Start-up and Shutdown...................13
Pre Start-up ....................................................13
Start-up...........................................................13
Sequence of Operation ...................................14
Physical Data....................................15
Electrical Data..................................17
Field Wiring ...................................................17
Dimensional Data.............................22
System Maintenance........................23
General...........................................................23
Lubrication.....................................................23
Electrical Terminals........................................23
Condensers.....................................................23
Refrigerant Sightglass ....................................23
Standard MicroTech II Controller.24
Table of Contents ...........................................24
Overview........................................................25
General Description .......................................25
Using the Controller.......................................31
Service...............................................42
Thermostatic Expansion Valve.......................42
Filter-Driers....................................................42
Liquid Line Solenoid......................................42
Optional Controls...........................................43
Troubleshooting Chart....................................45
MODEL CODE
A C
Z XXX A
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2001 McQuay International
"Illustrations and data cover the McQuay International products at the time of publication and we reserve the right to make changes in design and
construction at anytime without notice"
Air-Cooled
Condensing
Scroll Compressor
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McQuay ACZ 025A Specifications

General

Brand	McQuay
Model	ACZ 025A
Category	Heat Pump
Language	English