Controller, method of operating a water source heat pump and a water source heat pump

A water source heat pump system is described, which uses a smart controller to manage its operation. This controller takes in data from the heat pump and sends signals to adjust a special motor-controlled valve that changes how much water flows through the condenser. The claims specifically describe this system as having a modulating motor-controlled valve, and it can also include moisture sensors in a drain pan or an air-to-air heat exchanger.

Why it matters: Filed before widespread IoT and cheap, powerful microcontrollers. The control logic and sensor integration are now much more accessible.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedHeat pump, custom electronics, software logic, modulating valve.

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