2
IM 676
Table of Contents
Introduction ...........................................................................................................3
General Description......................................................................................................................... 3
Inspection ........................................................................................................................................ 3
Installation ...................................................................................................................................... 3
Handling ......................................................................................................................................... 3
Location .......................................................................................................................................... 4
Service Access ................................................................................................................................. 5
Vibration Isolators ........................................................................................................................... 6
Water Piping.................................................................................................................................... 7
Flow Switch..................................................................................................................................... 8
Water Connections........................................................................................................................... 8
Refrigerant Charge .......................................................................................................................... 9
Glycol Solutions .............................................................................................................................. 9
Evaporator Water Flow and Pressure Drop..................................................................................... 10
Physical Data........................................................................................................12
Electrical Data......................................................................................................18
Field Wiring .................................................................................................................................. 18
Dimensional Data................................................................................................. 36
Unit Layout and Principles of Operation............................................................38
Control Center............................................................................................................................... 38
Start-up and Shutdown .......................................................................................40
Pre Start-up ................................................................................................................................... 40
Start-up ......................................................................................................................................... 40
Sequence of Operation ................................................................................................................... 41