EVCO c-pro nano RACK User Manual
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C-PRO NANO RACK AND C-PRO MICRO RACK APPLICATION MANUAL
Page
3
Contents
1
GENERALITIES............................................................................................................................................ 5
1.1
Description ............................................................................................................................................. 5
2
Applications.................................................................................................................................................... 7
2.1
Application 1a: use of C-PRO NANO RACK (monocircuit compressor pack) ................................... 8
2.2
Application 1b: use of C-PRO MICRO RACK (monocircuit compressor pack) .................................. 9
2.3
Application 2a: use of C-PRO NANO RACK with expansion of I/O C-PRO EXP MICRO (bi-circuit
compressor pack with single condensation) .................................................................................................... 10
2.4
Application 2b: use of C-PRO MICRO RACK with expansion of I/O C-PRO EXP MICRO (bi-circuit
compressor pack with single condensation). .................................................................................................... 11
2.5
Application 3a: use of C-PRO NANO RACK with expansion of I/O C-PRO EXP MICRO (bi-circuit
compressor pack with separated condensation). ............................................................................................ 12
2.6
Application 3b: use of C-PRO MICRO RACK with expansion of I/O C-PRO EXP MICRO (bi-
circuit compressor pack with separated condensation). ................................................................................. 13
2.7
Electrical connections of control units ................................................................................................. 14
2.8
C-PRO EXP MICRO electrical connection ......................................................................................... 17
3
Elements and fittings network ...................................................................................................................... 19
3.1
Example for C-PRO NANO RACK..................................................................................................... 19
3.2
Example for built-in versions of C-PRO MICRO RACK.................................................................... 20
3.3
Example for blind versions of C-PRO MICRO RACK ...................................................................... 21
4
USER INTERFACE..................................................................................................................................... 22
4.1
Display and keyboard ........................................................................................................................... 22
4.2
Pages list ............................................................................................................................................... 26
4.3
Conditioned visibility ........................................................................................................................... 29
5
Configuration parameters ............................................................................................................................. 31
5.1
Parameters configuration list................................................................................................................ 32
6
ADJUSTMENTS.......................................................................................................................................... 46
6.1
Configuration of the machine............................................................................................................... 46
6.2
Status of the machine and of the single circuits ................................................................................... 47
6.3
Adjustment of the compressors ............................................................................................................ 48
6.3.1
Sideband adjustment....................................................................................................................... 48
6.3.2
Neutral zone adjustment ................................................................................................................. 49
6.3.3
Sideband adjustment with inverter ................................................................................................. 50
6.3.4
Neutral zone adjustment with inverter ........................................................................................... 51
6.4
Management of the compressors .......................................................................................................... 52
6.4.1
Rotation of the compressors ........................................................................................................... 52
6.4.2
Management of throttlings ............................................................................................................. 54
6.4.3
Protection timings........................................................................................................................... 55
6.4.4
Safety inputs ................................................................................................................................... 55
6.4.5
Inverter configuration ..................................................................................................................... 56
6.4.6
Compressors with different power ................................................................................................. 57
6.4.7
Compensation for load losses on the suction line .......................................................................... 58
6.4.8
Throttling of the refrigerating power at high pressures.................................................................. 58
6.5
Adjustment of condensation ................................................................................................................. 60
6.5.1
Sideband adjustment....................................................................................................................... 60
6.5.2
Neutral zone adjustment ................................................................................................................. 61
6.5.3
Sideband adjustment with inverter ................................................................................................. 61
6.5.4
Neutral zone adjustment with inverter ........................................................................................... 62
6.5.5
Single condensation (only bi-circuit) ............................................................................................. 63
6.6
Management of the fans ....................................................................................................................... 63