CONTENTS
1
PRODUCT
...................................................................................................................................................................................................... 7
1.1
General functions ..............................................................................................................................................................................................7
1.2
Main characteristics ..........................................................................................................................................................................................7
2
USER INTERFACE
.......................................................................................................................................................................................... 8
2.1
Buttons - LEDs - Icons ......................................................................................................................................................................................8
2.2
LED display and Icons ......................................................................................................................................................................................9
3
STARTING THE UNIT
.................................................................................................................................................................................. 10
3.1
Starting for the first time ..................................................................................................................................................................................10
3.2
Unit configuration ............................................................................................................................................................................................10
3.3
Meaning of the inputs / outputs .......................................................................................................................................................................10
4
COMPRESSOR MANAGEMENT
.................................................................................................................................................................. 13
4.1
General settings ..............................................................................................................................................................................................13
4.2
Compressor rotation .......................................................................................................................................................................................13
4.3
Compressor control .........................................................................................................................................................................................13
4.4
Number of compressors started with probe 1 fault .........................................................................................................................................14
4.5
Compressors with different capacities ............................................................................................................................................................15
4.6
Manually enable/disable the compressors ......................................................................................................................................................15
4.7
Special MT-LT units ........................................................................................................................................................................................16
4.8
Compressor time settings ...............................................................................................................................................................................16
5
FAN AND INVERTER MANAGEMENT
......................................................................................................................................................... 18
5.1
Fan management ............................................................................................................................................................................................18
5.2
Dead band control ...........................................................................................................................................................................................18
5.3
Inverter management ......................................................................................................................................................................................19
5.4
PWM-PPM management ................................................................................................................................................................................21
5.5
Floating condenser control ..............................................................................................................................................................................21
6
VARIOUS SETTINGS
.................................................................................................................................................................................... 22
6.1
Manual device operation .................................................................................................................................................................................22
6.2
Compressor hour counter and maintenance alarm .........................................................................................................................................22
6.3
Set point variation from digital input ................................................................................................................................................................22
6.4
Type of refrigerant ...........................................................................................................................................................................................22
6.5
Auxiliary probe management ..........................................................................................................................................................................22
6.6
Prevent high discharge pressure ....................................................................................................................................................................23
7
ALARM MANAGEMENT
.............................................................................................................................................................................. 24
7.1
Alarms with automatic reset ............................................................................................................................................................................24
7.2
Alarms with manual reset ................................................................................................................................................................................24
7.3
Semiautomatic alarms ....................................................................................................................................................................................24
7.4
Alarm relay ......................................................................................................................................................................................................24
7.5
Alarms from analogue inputs: temperature probe and pressure transducer: ..................................................................................................25
8
THE SUPERVISOR NETWORK
..................................................................................................................................................................... 26
8.1
Serial boards ...................................................................................................................................................................................................26
8.2
Communication protocols ...............................................................................................................................................................................26
9
USER INTERFACE
........................................................................................................................................................................................ 26
10
LIST OF PARAMETERS
.............................................................................................................................................................................. 27
11
ON/OFF FAN CONTROL BOARD (CODE CONVONOFF0)
.................................................................................................................... 32
12
PWM TO 0 TO 10 VDC (OR 4 TO 20 MA) CONVERSION BOARD FOR FANS (CODE CONV0/10A0)
................................................ 33
13
PROGRAMMING KEY (CODE PSOPZKEYA0)
.......................................................................................................................................... 33
14
SUPERVISOR MANAGEMENT
................................................................................................................................................................... 33
15
DEFAULT CONFIGURATIONS
.................................................................................................................................................................. 36
16
GLOSSARY
................................................................................................................................................................................................. 37
17
TECHNICAL SPECIFICATION
.................................................................................................................................................................... 37
18
PRODUCT CODES LIST
............................................................................................................................................................................ 38
19
APPENDIX: COMPRESSOR RACK CONTROLLER, EXAMPLES OF APPLICATION DIAGRAMS ................................................ 39
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