Project:Process Control & Automation


BESTECH was responsible for all electrical, instrumentation and automation designs for the installation of a 6.5 MW ammonia-based cooling plant. The main cooling plant systems included a refrigeration machine, a bulk air cooler, a condenser cooling tower, chilled water pump, evaporator pumps, backwash system, and a bulk air cooler restage pumps.

The key design features included the following:

  • Electrical design conversion from Australian standard to Ontario
  • 13.8 kV pole line
  • 13.8 kV to 5 kV outdoor transformer substation
  • 5 kV compressor soft starter
  • Prefabricated e-house
  • Offsite e-house pre-commissioning
  • Ammonia detection safety
  • Refrigeration machine building HVAC system
  • Emergency exhaust air system
  • Custom PLC and HMI code

Other services provided with the project included all system PLC/HMI programming, commissioning, site assistance and training.