Sumitomo HC-4A - SAFETY

TABLE OF CONTENTS
i
Page
SAFETY......................................................................................................................... .1
SERVICE ....................................................................................................................... 5
INTRODUCTION .......................................................................................................... 7
Helium Compressor, Models HC-4A and HC-4A2 Zephyr
®
.................................. 7
PRINCIPLES OF OPERATION .................................................................................... 9
DESCRIPTION ........................................................................................................... 11
Components .................................................................................................... 11
SPECIFICATIONS ...................................................................................................... 17
Electrical Characteristics ................................................................................. 17
Refrigerant Quality ........................................................................................... 18
Helium Gas Pressures ..................................................................................... 18
Compressor Lubricant ..................................................................................... 19
Coolant ............................................................................................................ 19
Compressor Weight ......................................................................................... 19
Compressor Dimensions ................................................................................... 19
Space Requirements ......................................................................................... 19
Room Heating ................................................................................................... 19
Mounting Position ............................................................................................ 19
Environmental Requirements .......................................................................... 19
Protective Earth Terminal ................................................................................ 19
Maintenance Intervals ....................................................................................... 19
Installation Adapter Fitting ................................................................................ 19
Adapter Fittings (Optional Accessory)............................................................... 19
Remote On/Off Cable (Optional Accessory) ...................................................... 20
Supplier Name and Address ............................................................................ 20
Regulatory Compliance ................................................................................... 20
INSTALLATION .......................................................................................................... 21
Introduction ....................................................................................................... 21
Receipt Inspection Instructions ........................................................................ 21
Compressor Position ........................................................................................ 23
Mains Power Supply Connection ..................................................................... 23
Field Wire the Compressor .............................................................................. 25
Compressor Checkout ..................................................................................... 26
Interconnections .............................................................................................. 26
Remote On/Off Cable (Optional Accessory) .................................................... 28
Compressor Shipping Preparation ..................................................................... 28
OPERATION ............................................................................................................. 31
Prestart Check ................................................................................................. 31
Starting ............................................................................................................ 31
Stopping .......................................................................................................... 31
Restarting after a Power Failure ...................................................................... 31