Johnson Controls SABROE DualPAC, Operating Manual

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Operating manual – DualPAC with reciprocating compressors
0012201 en 2021.04
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Contents
1. Introduction
..................................................................................... 8
1.1 Definition of safety precautions used in this manual ............. 9
1.2 Requirements for competent persons .................................... 9
2. Safety ............................................................................................... 10
2.1 Area of application................................................................. 10
2.1.1 Application of the DualPAC pump .................................. 10
2.1.2 Application of combustion engines ................................ 10
2.2 Identification ......................................................................... 11
2.2.1 Identification of equipment............................................ 11
2.2.2 Compressor name plates ............................................... 12
2.2.3 Vessel name plate .......................................................... 14
2.2.4 Unit/pipe system name plate......................................... 15
2.2.5 Signs .............................................................................. 17
2.3 Safety precautions ................................................................ 18
2.3.1 General precautions ....................................................... 18
2.3.2 During operation ............................................................ 18
2.3.3 Water system.................................................................. 19
2.3.4 Brine................................................................................ 19
2.3.5 Safety during maintenance and service ........................ 19
2.3.6 Power supply .................................................................. 19
2.3.7 Lubricating oils ............................................................... 20
2.3.8 Refrigerants .................................................................... 20
2.3.9 Purging of DualPAC......................................................... 20
2.3.10 First aid for accidents with ammonia ............................. 22
2.3.11 Protecting the operator as well as the
environment ................................................................... 23
2.3.12 Emergency stop.............................................................. 24
3. Design and function ...................................................................... 25
3.1 Unit design ............................................................................. 25
3.1.1 General DualPAC information ........................................ 25
3.1.2 DualPAC description ....................................................... 26
3.2 Main components .................................................................. 27
3.2.1 Compressors................................................................... 27
3.2.2 Control system ............................................................... 27
3.2.3 Evaporator ...................................................................... 27
3.2.4 GHUR intermediate cooler ............................................. 27
3.2.5 Condenser ...................................................................... 27
3.2.6 Receiver .......................................................................... 28
3.2.7 Air purge valve ............................................................... 28
3.2.8 Pressure regulation system (electrical)......................... 29