KT-230-22
Table of contents
1 Introduction..........................................................................................................................................................4
2 Safety....................................................................................................................................................................4
2.1 Also observe the following technical documents ...........................................................................................4
2.2 Authorized staff..............................................................................................................................................5
2.3 Residual risks ................................................................................................................................................5
2.4 Safety references...........................................................................................................................................5
2.4.1 General safety references.................................................................................................................. 5
3 Technical data......................................................................................................................................................6
4 Peripheral devices...............................................................................................................................................8
4.1 Standard ........................................................................................................................................................8
4.2 Options ..........................................................................................................................................................8
4.3 Peripheral devices for compressors for standard refrigerants .......................................................................9
4.4 Peripheral devices for compressors for transcritical CO
2
applications ..........................................................9
4.5 Dimensional drawings..................................................................................................................................10
4.5.1 Dimensional drawings for compressors for standard refrigerants with CM-RC-01.......................... 10
4.5.2 Dimensional drawings for compressors for transcritical CO
2
applications with CM-RC-01 ............. 11
4.6 The refrigerant injection system...................................................................................................................11
4.6.1 Minimum equipment for the RI system ............................................................................................ 12
4.6.2 Integrating the RI system into the refrigeration circuit...................................................................... 12
5 Operating and monitoring functions ...............................................................................................................12
5.1 Operating functions......................................................................................................................................12
5.1.1 CRII capacity control........................................................................................................................ 12
5.1.2 SU start unloading ........................................................................................................................... 13
5.1.3 Compressor cooling......................................................................................................................... 13
5.1.4 Oil heater ......................................................................................................................................... 13
5.1.5 Switching times of the motor contactors at compressor start .......................................................... 13
5.2 Monitoring and protective functions .............................................................................................................13
6 Mounting the peripheral devices enclosed in the delivery............................................................................14
6.1 Assemble components for application limit monitoring................................................................................14
6.2 Install additional fan (M2).............................................................................................................................14
6.3 Installing the RI system................................................................................................................................14
7 Electrical connection ........................................................................................................................................15
7.1 Representation of components and cables .................................................................................................15
7.2 Schematic wiring diagram for direct on-line start.........................................................................................15
7.3 Schematic wiring diagram for part winding start ..........................................................................................15
7.4 Schematic wiring diagram for star-delta start ..............................................................................................15
7.5 Principle circuit diagram for operation with frequency inverter (FI)..............................................................15
7.6 Legend for the schematic wiring diagrams ..................................................................................................16
7.7 Wiring in the state of delivery.......................................................................................................................21
7.7.1 Compressors for standard refrigerants ............................................................................................ 21
7.7.2 Compressors for transcritical CO
2
applications................................................................................ 21
7.8 High pressure switch ...................................................................................................................................21
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