JOHNSON CONTROLS
5
Form 150.63-NM9
Issue date: 5/20/2021
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 ...................................................................................................................................... 12
SECTION 2 – PRODUCT DESCRIPTION ...........................................................................................................15
Introduction .....................................................................................................................................................15
General System Description ...........................................................................................................................15
Microcomputer Control Center .......................................................................................................................16
Building Automation System Interface ............................................................................................................17
Communications .............................................................................................................................................17
Power Panel ...................................................................................................................................................17
Discharge Pressure Transducers and Readout Capability ............................................................................. 18
Basic Unit .......................................................................................................................................................23
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
Duct Work Connection....................................................................................................................................32
Recommendations of the Building Services Research Association ............................................................... 32
Wiring .............................................................................................................................................................32
Relief Valves ...................................................................................................................................................34
High Pressure Cutout .....................................................................................................................................34
Compressor Heaters ......................................................................................................................................34
Refrigerant Piping ...........................................................................................................................................34
Oil Traps .........................................................................................................................................................37
Refrigerant Charge ......................................................................................................................................... 37
Refrigerant Piping Reference .........................................................................................................................37
Filter Driers / Sight Glasses / TXVs ................................................................................................................ 37
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