A comprehensive resource for Design & product specification for Toshiba, FujitsuCIAT and Aspen products.

CIAT Aquaciat Power ST HE and LD


The new generation of high efficiency  AQUACIATPOWER air-cooled chillers provides an optimal solution for all cooling applications in offices, healthcare facilities, industries, administration and commercial premises and collective housing.

These units are designed for outdoor installation and do not require protection from adverse weather conditions.

This new range is designed with the ozone-friendly HFC refrigerant R410A and thereby meets the most demanding environmental protection and high seasonal energy efficiency (SEER) requirements


  • R-410A refrigerant
  • Compact design and small footprint for outdoor installation
  • RAL 7024 – 7035 sheet metal frame
  • 2 or 3 refrigerant circuits
  • Electronic expansion valves
  • New-generation, high-efficiency SCROLL compressors
  • High efficiency brazed plates heat exchangers (sizes 602 to 2000)
  • High efficiency shell and tubes heat exchangers (sizes 2100 to 2800)
  • All-aluminium micro-channel high efficiency air-cooled condenser
  • Propeller fan with optimized profile composite blades
  • Variable speed fans as standard equipment on HE version
  • Electrical cabinet equipped with remote control transformer, safety switch, numbered wiring
  • Connect Touch (sizes 602 to 2000) or Connect3 controller (sizes 2100 to 2800) with numerous auto adaptive functions
  • Interface with intuitive multilingual 4.3’’ color touchscreen (sizes 602 to 2000)
  • Web server (IP)  for access to the interface screen (sizes 602 to 2000)
  • Communication with the CMS via the MODBUS/JBUS protocol as standard (LON and Bacnet optional)



Chiller with or without hydraulic module

2 energy versions

  • Standard efficiency (ST)
  • High Efficiency (HE)

3 acoustic versions: Standard – Low Noise (LN) – Xtra Low Noise (XLN)

Hydraulic versions with or without buffer tank for sizes 602 to 2000

16 available sizes from 602 to 2800

Range of use:

Cooling capacity : 170 to 740 kW