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## Valden: Heat Pump Controller v1.x
<b> The Valden Heat Pump controller is a platform to precisely control heat pumps. Controller can be easily used for newly designed heat pumps (HPs), as a repair controller or as control system for experiments with refrigeration equipment.</b>
## Valden Heat Pump Controller v1.x
<b>The Valden Heat Pump controller is a platform to precisely control heat pumps. This controller can be used for the automation of newly created Heat Pumps (HPs), as a repair controller for old systems or as control system for performing experiments on refrigeration equipment.</b>
<br><br>
## Specs
- 12V 0.5A DC power supply,
- 12V 0.5A DC power supply,
- 230V output,
- up to 12 T sensors, -55..+125 °C range,
- 4 relays: Compressor, Hot CP or Air Fan, Cold CP or Air Fan, Crankcase Heater,
- up to 12 temperature (T) sensors, -55..+125 °C range,
- 4 relays: Compressor, Hot Circulating Pump (CP) or Air Fan, Cold CP or Air Fan, Crankcase Heater,
- 2 inputs: Hot and cold side refrigerant over/under pressure NC sensors,
- EEV supported, 6 pin EEV connection: 4 * coils + 2 * 12V,
- Electronic Expansion Valve (EEV) supported, 6 pin EEV connection: 4 * coils + 2 * 12V,
- automatically turns on/of system when heating required,
- automatical power saving mode,
- built-in protections: cold start, overheat, short-term power loss, power overload, ground loop freeze and compressor protection against liquid.
- automatic power saving mode,
- built-in protections: cold start, overheat, short-term power loss, power overload, ground loop freeze, compressor protection against liquid and other,
- LED indication,
- control via [remote display](https://github.com/openhp/Display/) or local Serial (UART 5V),
<br><br>