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## Refrigeration schemes supported
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## Refrigeration schemes supported
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- Heat Pump (HP) with Electronic Expansion Valve (EEV),
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- Heat Pump (HP) with Electronic Expansion Valve (EEV),
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- HP with capillary tube or TXV,
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- HP with capillary tube or TXV,
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- EEV only controller.
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- EEV-only controller.<br><br>
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<br><br>
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## Installations supported
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## Installations supported
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- Indoor: a house or technical building with a more or less stable temperature,
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- Indoor: a house or technical building with an almost stable temperature,
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- Outdoor: harsh climatic conditions taken into account and tested down to minus 32°C.
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- Outdoor: harsh climatic conditions taken into account. Outdoor HP installations tested down to a minus 32 °C.<br><br>
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<br><br>
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## Changelog and history
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## Changelog and history
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- 2018: PCB prototype, first real installation,
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- 2018: PCB prototype, first real installation,
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- 2019: 2-layer PCB, through-hole components, integrated buttons and display,
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- 2019: 2-layer PCB, through-hole components, integrated buttons and display,
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- 2019: controller redesigned taking into account development and operating experience,2-layer PCB, SMD
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- 2019: controller redesigned taking into account development and operating experience, 2-layer PCB, SMD,
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- 2019-2021: installations, development, tests, revisions, redisigns
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- 2019-2021: installations, development, tests, revisions, redesigns,
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- 06 Feb 2021: product is technically complete and ready for customers to use. Documentation and release stage.
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- 06 Feb 2021: product is technically completed and ready for public access. Documentation and release stage.<br><br>
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## Get your own copy and PCB assembly
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## Get your own copy and PCB assembly
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- download the PCB gerber file, [Valden_HeatPumpController_Gerber](./Valden_HeatPumpController_Gerber.zip)
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- download the PCB gerber file, [Valden_HeatPumpController_Gerber](./Valden_HeatPumpController_Gerber.zip)
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