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Twin Circuit Systems

Cooling Capacity: 30, 40, 50, 60, 70, 80 and 100kW

The Close Control Twin Circuit range comprises 4 sizes providing nominal capacities of 30, 40, 50, 60, 70, 80 and 100kW. Units are twin circuit in a single frame and are available in Upflow and Downflow configurations with top, bottom, front and rear return options.

  • Summary


The close control twin circuit air cooled range has 4 unit sizes providing nominal capacities of 30

  • Units are available in air and dual cooled versions.
  • Units are available in upflow, downflow and displacement airflow configurations.
  • Standard DX units run on R407C.
  • Condensers can be selected for 30, 35, 40, 45 & 50 ambients.
  • Standard units have forward curved belt driven fans, with an option on backward curved direct drive EC fans.
  • BMS interfaces available are MODBUS, BACnet, MS/TP, BACnet IP, SNMP IP, LON & Trend.
  • Full range of options available including:
    • Reheat of various types
    • Humidifiers
    • Electronic expansion valves
    • Discharge and acoustic plenums
    • Floorstands and dampers
    • Upgraded filter class
    • Fire and smoke detectors
    • Water detection
    • Condensate pumps


  • Cooling media available is air cooled direct expansion only. There is an option for a dual cooling version with the addition of a chilled water coil.
  • The air cooled twin circuit range has an option also for backward curved EC plug fans

Other options include: Water Leak Detection, Autosequence/Autorotate, 3 Way Discharge Plenums, Graphic Display, Drain Trap, Smoke Detection, Fire Detection, Floorstand, loss of Chilled Water Flow Switch, Condensate Pumps & many more items.

For further information call
01322 424950 or email