en:puus_setup
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en:puus_setup [2023/01/10 15:41] – created puu | en:puus_setup [2023/02/06 12:16] (current) – [Outdoor heat exchanger sensor] puu | ||
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- | === Outdoor unit opened | + | ====== |
- | {{: | + | |
- | === Defrost thermistor' | + | * My slightly modified MitsuRunner software on GitHub: https://github.com/ |
- | {{:en:1613833227097.png|}} | + | |
- | === Defrost hack wires installed === | + | Notable changes to the original SW and HW: |
- | {{: | + | * Two additional Dallas sensors in heat exchanger pipes (used for research and as spare parts) |
+ | * Current clamp sensor monitoring input power of the heat pump | ||
+ | * Variable temperature delta threshold to start defrosting: | ||
+ | * if (input) power < 500W, threshold | ||
+ | * if 900W <= power < 1000W, threshold | ||
+ | * if power >= 1000W, threshold | ||
+ | \\ \\ | ||
+ | ---- | ||
+ | ===== MitsuRunner wiring ===== | ||
- | === Installed and taped === | + | ==== Defrost thermistor' |
- | {{:en: | + | {{:1613833132673.jpg? |
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+ | \\ \\ | ||
+ | ==== Defrost hack wires installed ==== | ||
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+ | \\ \\ | ||
+ | ==== MitsuRunner' | ||
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+ | \\ \\ | ||
+ | ---- | ||
+ | ===== Sensors ===== | ||
- | === Holes drilled | + | ==== Outdoor heat exchanger sensor ==== |
- | {{:en:1628058345389.png|}} | + | Outdoor heat exchanger sensor (vertically installed on the lowest pipe) and two additional sensors just in case |
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+ | {{: | ||
+ | \\ \\ | ||
+ | ==== Middle DS18B20 is used for MitsuRunner, | ||
+ | {{:1628143146973.jpg? | ||
+ | \\ \\ | ||
+ | ==== Outdoor temperature sensor ==== | ||
+ | {{:1628059042729.jpg? | ||
+ | {{:1628083497222.jpg? | ||
+ | \\ \\ | ||
+ | ---- | ||
- | === Defrost thermistor insulated | + | ===== Enclosure ===== |
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+ | \\ \\ | ||
+ | ---- | ||
- | === Outdoor heat exchanger sensor and spare sensor for the hack === | + | ===== Other hacks ===== |
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- | + | ==== Defrost thermistor insulated | |
- | === One spare sensor on upper pipe === | + | {{:1628058402250.jpg? |
- | {{: | + | \\ \\ |
- | + | ==== Holes drilled to avoid ice accumulating | |
- | === MitsuRunner in its enclosure | + | {{:1628058345389.jpg? |
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- | === Enclosure inside the outdoor unit === | + | |
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- | === MitsuRunner' | + | |
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- | === Outdoor temperature thermistor === | + | |
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en/puus_setup.1673358068.txt.gz · Last modified: 2023/01/29 21:54 (external edit)