
Operating manual - Sabroe heat pump units
009395 en 2023.02 5/68
Contents
1. Introduction...........................................................................................8
1.1 Introduction to manual..................................................................8
1.1.1 Amendments to the manual ...................................................9
1.1.2 Definition of safety precautions used in this manual ............... 10
1.1.3 Requirements for competent persons ................................... 10
2. Safety .................................................................................................. 11
2.1 Areas of application.................................................................... 11
2.1.1 Application ......................................................................... 11
2.1.2 Application of combustion engines ....................................... 11
2.2 Identification .............................................................................. 12
2.2.1 Identification of equipment...................................................12
2.2.2 Compressor name plates .................................................... 14
2.2.3 Vessel name plate ..............................................................16
2.2.4 Unit/pipe system name plate................................................ 17
2.2.5 Signs ................................................................................19
2.3 Safety precautions .....................................................................20
2.3.1 General precautions............................................................ 20
2.3.2 During operation ................................................................. 20
2.3.3 Cooling water systems ........................................................ 21
2.3.4 Cooling media .................................................................... 21
2.3.5 Safety during maintenance and service ................................ 21
2.3.6 Power supply...................................................................... 22
2.3.7 Lubricating oils ................................................................... 22
2.3.8 Refrigerants ....................................................................... 22
2.3.9 Purging a refrigeration plant................................................. 23
2.3.10 First aid for accidents with ammonia..................................... 24
2.3.11 Protecting the operator as well as the environment ................ 25
2.3.12 Emergency stop.................................................................. 26
3. Design and function ............................................................................27
3.1 Unit design ................................................................................27
3.1.1 General information about the Sabroe heat pump unit ...........27
3.1.2 Illustration of a Sabroe heat pump unit.................................. 28
3.2 Main components ...................................................................... 29
3.2.1 Compressor ....................................................................... 29
3.2.2 Control system ................................................................... 29
3.2.3 Evaporator .........................................................................29
3.2.4 Liquid separator.................................................................. 30
3.2.5 Condenser .........................................................................30
3.2.6 Liquid receiver .................................................................... 30
3.2.7 HP regulating system (electrical).......................................... 31