Hydromatic II Control Board

Hydromatic II Control Board for Multi-Stage Applications

Hydromatic II Control Board

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Product type : Chiller Controls

Vendor : Micro-Air, Inc.



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The Hydromatic II is a new and advanced control system for multi-stage marine chillers. It employs the latest technology with CAN Bus networking capabilities, and offers advanced control with many sensor monitoring options. It can also be configured for use with a color touch screen panel PC, built into a custom control electrical panel with power distribution wiring, circuit breakers, contactors, etc.

(Please contact Micro-Air at 609-259-2636 or send an e-mail to Micro-Air Sales Administration for more information on custom chiller control panels.)

Control Board Features:
  • Modular system for controlling one to eight compressors
  • Universal 115/230 VAC 50/60 Hz power supply
  • Integrated OLED display with 3-button interface
  • Factory reversible display permits access from outside the electric box
  • Auxiliary voltage input for all control outputs
  • Optional stage current sensing and over current shutdown
  • Optional high/low refrigerant pressure transducer inputs
  • VFD (variable frequency drive) dry contact output
  • MODBUS input for VFD monitoring
  • Electric/Reverse-Cycle heating based upon sea water temperature
  • Automatically equalizes compressor run times in multistage systems
  • Individual loop water flow switch inputs for each compressor
  • Simple CAN Bus two-wire connection between stage control boards and the pump control board
  • Compatible with AirNet 5 (for LAN or internet access)