The Cascade system design is perfect when capacity expansion is required as the building's cooling/heating demand evolves.
A maximum of 6 units can be group controlled with one controller. The temperature control of the balance tank is accurate, in terms of water temperature.
The water tank can only be connected to the water circuit of the main unit via a three-way valve and controlled by the main unit.
AHS can only be connected to the main waterway and controlled by the main unit.