en:puus_setup
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en:puus_setup [2023/01/10 15:49] – puu | en:puus_setup [2023/02/06 12:16] (current) – [Outdoor heat exchanger sensor] puu | ||
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- | ====== | + | ====== |
- | ==== Outdoor unit opened ==== | + | * My slightly modified MitsuRunner software on GitHub: https://github.com/ |
- | {{:en:1613833132673.png|}} | + | |
- | ==== Defrost thermistor' | + | 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 ===== | ||
+ | |||
+ | ==== Defrost thermistor' | ||
+ | {{: | ||
+ | {{: | ||
+ | \\ \\ | ||
==== Defrost hack wires installed ==== | ==== Defrost hack wires installed ==== | ||
- | {{:en: | + | {{: |
- | + | {{: | |
- | {{:en: | + | \\ \\ |
- | + | ==== MitsuRunner' | |
- | === MitsuRunner' | + | {{: |
- | {{:en: | + | \\ \\ |
---- | ---- | ||
===== Sensors ===== | ===== Sensors ===== | ||
- | === Outdoor heat exchanger | + | ==== Outdoor heat exchanger sensor |
- | {{:en: | + | Outdoor heat exchanger sensor (vertically installed on the lowest pipe) and two additional sensors just in case |
- | + | {{: | |
- | === Outdoor temperature sensor === | + | {{:1628058554351.jpg? |
- | {{:en: | + | \\ \\ |
- | + | ==== Middle DS18B20 is used for MitsuRunner, | |
- | {{:en: | + | {{:1628143146973.jpg? |
- | + | \\ \\ | |
- | === One spare sensor | + | ==== Outdoor temperature |
- | {{:en:1628058554351.png|}} | + | {{:1628059042729.jpg? |
+ | {{:1628083497222.jpg? | ||
+ | \\ \\ | ||
---- | ---- | ||
===== Enclosure ===== | ===== Enclosure ===== | ||
- | {{:en: | + | {{: |
- | + | {{: | |
- | {{:en: | + | {{: |
- | + | \\ \\ | |
- | {{:en: | + | |
- | + | ||
---- | ---- | ||
===== Other hacks ===== | ===== Other hacks ===== | ||
- | === Defrost thermistor insulated === | + | ==== Defrost thermistor insulated |
- | {{:en: | + | {{: |
- | + | \\ \\ | |
- | === Holes drilled to avoid ice accumulating: === | + | ==== Holes drilled to avoid ice accumulating |
- | {{:en: | + | {{: |
en/puus_setup.1673358544.txt.gz · Last modified: 2023/01/29 21:54 (external edit)