H-IM-CU
August 2008
Part No. 25008101
H-IM-CU-0808 | Version 000
Condensing
Units
Installation and
Operations Manual
Table of Contents
General Safety Information...............................................................................2
Inspection ...............................................................................................................2
Warranty Statement ............................................................................................2
Space and Location Requirements ...............................................................3
Remote and Water Cooled Condensing Units Requirements ..............4
City & Tower Water Connections .....................................................................4
Condensing Unit Rigging and Mounting ....................................................5
Head Pressure Control ........................................................................................6
Refrigerant Oils ......................................................................................................7
Phase Loss Monitor ..............................................................................................8
Recommended Refrigerant Piping Practices .............................................8
Refrigeration Pipe Supports ............................................................................8
Suction Lines ..........................................................................................................8
Liquid Lines ............................................................................................................9
Hot Gas Defrost Systems ...................................................................................9
Unit Cooler Piping ............................................................................................. 10
Line Sizing Tables ........................................................................................10-13
Evacuation and Leak Detection ................................................................... 14
Refrigerant Charging Instructions ............................................................... 14
Field Wiring .......................................................................................................... 14
Check Out and Start Up .................................................................................. 15
Operational Check Out .................................................................................... 16
System Balancing - Compressor Superheat ............................................. 16
General Sequence of Operation .................................................................. 17
Electric Defrost Troubleshooting ................................................................. 17
System Troubleshooting Guide .................................................................... 18
Preventive Maintenance Guidelines ........................................................... 19
Typical Wiring Diagrams ...........................................................................20-23
InterLink™ Replacement Parts ...................................................................... 24
Replaces None. Information formerly included in H-IM-64L.