This project involved replacing an old water cooled system with four levels of water cooled package units. This resulted in an innovative solution leveraging both Temperzone and Hitachi HVAC equipment. The system was replaced with a VRF 1 to 1 system, one per floor so each floor has its own independent system and not a central plant. The new systems are 50% more efficient than the older systems.
Temperzone supplied four 56kW custom Temperzone Clever MTC AHUs designed to fit the plant room space. The AHU's were factory-fitted with Hitachi 20HP DX kits at our Hamilton factory. This approach enabled a streamlined installation on site, requiring only field piping to connect the suction and liquid lines between the indoor and outdoor units.
The AHUs were integrated with Hitachi air365 VRF 20HP condensers, delivering outstanding efficiency outcomes. As a result, we achieved an industry-leading TCSPF of 5.4 under commercial mixed-zone conditions, with just 12.9 kW of power input to deliver 56 kW of cooling capacity.
The maintenance of the old system included R & P water treatment chemical dosing every month. The new system requires very little maintenance, so results in further savings on maintenance costs.
A great example of collaboration, factory integration, and high-performance HVAC solutions in action.
Congratulations Powerchill on delivering a fantastic project and solution.
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