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## Valden: Heat Pump Controller v1.x
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<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>
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## Valden Heat Pump Controller v1.x
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<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>
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<br><br>
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## Specs
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- 12V 0.5A DC power supply,
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- 230V output,
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- up to 12 T sensors, -55..+125 °C range,
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- 4 relays: Compressor, Hot CP or Air Fan, Cold CP or Air Fan, Crankcase Heater,
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- up to 12 temperature (T) sensors, -55..+125 °C range,
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- 4 relays: Compressor, Hot Circulating Pump (CP) or Air Fan, Cold CP or Air Fan, Crankcase Heater,
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- 2 inputs: Hot and cold side refrigerant over/under pressure NC sensors,
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- EEV supported, 6 pin EEV connection: 4 * coils + 2 * 12V,
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- Electronic Expansion Valve (EEV) supported, 6 pin EEV connection: 4 * coils + 2 * 12V,
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- automatically turns on/of system when heating required,
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- automatical power saving mode,
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- built-in protections: cold start, overheat, short-term power loss, power overload, ground loop freeze and compressor protection against liquid.
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- automatic power saving mode,
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- built-in protections: cold start, overheat, short-term power loss, power overload, ground loop freeze, compressor protection against liquid and other,
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- LED indication,
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- control via [remote display](https://github.com/openhp/Display/) or local Serial (UART 5V),
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<br><br>
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