Cheap Heat Pump Controller

#Cheap Heat Pump Controller (CHPC)

The CHPC a minimal cost Heat Pump (HP) controller, which can be used as provided, or can be adopted to nearly all use cases due to open source nature.
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###Applications:
###1. Thermostat.
_Brief_: Precision thermostat. Simple and cheap. Only 1 relay and 1 temperature sensor required.
_Application examples:_ Room heat control. Chicken coop climate control. Distillation column. Else.

###2. Heat pump (HP) controller.
_Brief_: Heat pump controler. Controller drives HP system components: compressor, Cold and Hot side Circulating Pumps (CP). Protects system from overload, overheat and freezing up. Drives EEV to optimize HP running conditions.
_Application examples:_ DIY heat pump system. Repair module for commercial system.
Water heater, house heating systems and same.
_Available protections_: Compressor: cold start or overheat. Discharge and suction lines protection. Shor