JOHNSON CONTROLS
5
FORM 150.73-NM1
ISSUE DATE: 09/04/2020
TABLE OF CONTENTS
SECTION 1 – GENERAL EQUIPMENT INFORMATION AND SAFETY .......................................................... 11
Introduction ..................................................................................................................................................... 11
Compressors .................................................................................................................................................. 11
Condenser ...................................................................................................................................................... 11
Refrigerant Circuit .......................................................................................................................................... 11
Warranty ......................................................................................................................................................... 11
Safety and Quality ..........................................................................................................................................12
About this Manual ...........................................................................................................................................12
Misuse of Equipment ...................................................................................................................................... 13
SECTION 2 – PRODUCT DESCRIPTION ...........................................................................................................15
Introduction .....................................................................................................................................................15
General System Description ...........................................................................................................................15
Refrigerant Circuit ..........................................................................................................................................16
Microcomputer Control Center .......................................................................................................................16
High Ambient Kit ............................................................................................................................................. 17
Communications .............................................................................................................................................17
Power Panel ...................................................................................................................................................17
Accessories and Options ................................................................................................................................17
Unit Components ...........................................................................................................................................20
Nomenclature (Pin) ........................................................................................................................................23
Basic Unit .......................................................................................................................................................23
Refrigerant Flow Diagram ..............................................................................................................................27
Process and Instrumentation Diagram ...........................................................................................................28
SECTION 3 – HANDLING AND STORAGE ........................................................................................................29
Delivery and Storage ...................................................................................................................................... 29
Inspection .......................................................................................................................................................29
Unit Rigging .................................................................................................................................................... 29
SECTION 4 – INSTALLATION .............................................................................................................................31
Installation Checklist .......................................................................................................................................31
Handling .........................................................................................................................................................31
Location and Clearances ................................................................................................................................31
Spring Isolators (Optional) ..............................................................................................................................32
Compressor Mounting ....................................................................................................................................32
Pipework Arrangement ...................................................................................................................................32
Ductwork Connection ....................................................................................................................................32
Wiring .............................................................................................................................................................32
Compressor Heaters ......................................................................................................................................33
Relief Valves ...................................................................................................................................................33
High Pressure Cutout .....................................................................................................................................33
Electrical Wiring ..............................................................................................................................................33
Compressor Heaters ......................................................................................................................................35
Refrigerant Piping ...........................................................................................................................................35
Oil Traps .........................................................................................................................................................38
Refrigerant Charge ......................................................................................................................................... 38
Filter Driers/ Sight Glasses/TXV’S .................................................................................................................38
Refrigerant Piping Notes ................................................................................................................................39
Control Wiring .................................................................................................................................................41
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