4
GENERAL CHARACTERISTICS
Usability:
A family of products especially designed to make configuration and monitoring of
refrigeration plant easy.
Modularity:
Model selection according to current and future needs.
Reliability:
Use of automation technology as Control Hardware.
Unlimited number of operations:
Control with transistor outputs (TRT).
Connectivity:
Enables MODBUS connection for remote control / monitoring (
AKO-5004
).
DUOControl
Designed for refrigerating plant with compressors of equal characteristics
Flexible wiring:
Multiple compressor – fan configurations
Up to 6 compressors (with up to 4 stages each)
Up to 8 fans
Compressor ON/OFF control
Fan ON/OFF or inverter control:
4-20 mA output with built in PI Control
Algorithms for compressor rotation:
Sequential or by hours of operation
Algorithm for fan rotation:
Sequential
Selectable algorithm for compressor control:
Neutral Zone or Proportional Band
Selectable algorithm for fan control: Neutral Zone or Proportional Band
3 Inputs for 4-20 mA probes:
Evaporation pressure, Condensation pressure and Air ambient
temperature
Floating condensation
Pump-Down:
By time or level
Energy saving:
Programmable interval synchronised with the internal real time clock
Options for working with any refrigerant gas in bar, and in bar and °C with R404A -
R134A - R717 - R22 - R410A - R507A - R744 (CO )
2
Reading of probes in the analogue input module itself
we make it easy
Summary of Contents for AKO-21006
Page 117: ...NOTES 117 we make it easy...
Page 118: ...118 NOTES we make it easy...
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