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1
Introduction ..........................................................................................................................................................2
2
Safety Instructions................................................................................................................................................2
3
EVI Theory of Operation ......................................................................................................................................3
4
Nomenclature.......................................................................................................................................................5
5
Qualified Refrigerant ............................................................................................................................................5
6
Application Envelope ...........................................................................................................................................5
7
System Configuration...........................................................................................................................................6
7.1
Liquid Extraction .............................................................................................................................................6
7.2
Heat Exchanger Piping Arrangements ...........................................................................................................6
8
System Design Guidelines:..................................................................................................................................7
8.1
Heat Exchanger sizing using Select ...............................................................................................................8
8.2
Liquid and Vapour Injection Line Sizing..........................................................................................................8
8.3
Heat Exchanger TXV Sizing ...........................................................................................................................8
8.4
Solenoid valve.................................................................................................................................................9
9
Lubrication............................................................................................................................................................9
10
Accumulators .....................................................................................................................................................10
11
Crankcase Heaters ............................................................................................................................................10
12
Discharge Temperature Protection....................................................................................................................11
13
Standard Motor Protection.................................................................................................................................11
14
Low Ambient Cut-Out ........................................................................................................................................11
15
Pressure Controls ..............................................................................................................................................11
16
Shut-Off..............................................................................................................................................................11
17
Starting...............................................................................................................................................................11
18
Deep-Vacuum Operation ...................................................................................................................................11
19
Electrical Installation ..........................................................................................................................................12
20
High Potential Testing........................................................................................................................................13
21
Compressor Functional Check ..........................................................................................................................13
22
Excessive Liquid Floodback ..............................................................................................................................14
23
Continuous Floodback .......................................................................................................................................14
24
Repeated Floodback during Defrost ..................................................................................................................14
25
Installation..........................................................................................................................................................14
26
Service ...............................................................................................................................................................15
27
New Installations................................................................................................................................................15
28
Field Service ......................................................................................................................................................15
29
Shut-off Valves and Adaptors ............................................................................................................................16
30
Shell Temperature .............................................................................................................................................16
31
System Charging Procedure..............................................................................................................................16
32
Unbrazing System Components ........................................................................................................................16
33
Suction Line Noise and Vibration.......................................................................................................................17
C6.2.17/1004/E
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