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en:puus_setup [2023/01/10 15:50] – [Holes drilled to avoid ice accumulating:] puuen:puus_setup [2023/02/06 12:16] (current) – [Outdoor heat exchanger sensor] puu
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-====== Mitsurunner wiring ======+====== puu's MitsuRunner setup =====
  
-==== Outdoor unit opened ==== +  * My slightly modified MitsuRunner software on GitHubhttps://github.com/kestopuu/mitsurunner/
-{{:en:1613833132673.png|}}+
  
-==== Defrost thermistor's wires ==== +Notable changes to the original SW and HW: 
-{{:en:1613833227097.png|}}+  * 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 = 6 
 + \\ \\  
 +---- 
 + 
 +===== MitsuRunner wiring =====
  
 +==== Defrost thermistor's wires inside the outdoor unit ====
 +{{:1613833132673.jpg?direct&600|}}
 +{{:1613833227097.jpg?direct&600|}}
 + \\ \\ 
 ==== Defrost hack wires installed ==== ==== Defrost hack wires installed ====
-{{:en:1613833279863.png|}} +{{:1613833279863.jpg?direct&600|}} 
- +{{:1613833353619.jpg?direct&600|}} 
-{{:en:1613833353619.png|}} + \\ \\ 
 ==== MitsuRunner's AC wires and current measurement clamp ==== ==== MitsuRunner's AC wires and current measurement clamp ====
-{{:en:1628058938369.png|}} +{{:1628058938369.jpg?direct&600|}} 
 + \\ \\ 
 ---- ----
  
 ===== Sensors ===== ===== Sensors =====
  
-==== Outdoor heat exchanger sensor and spare sensor ==== +==== Outdoor heat exchanger sensor ==== 
-{{:en:1628058538905.png|}} +Outdoor heat exchanger sensor (vertically installed on the lowest pipe) and two additional sensors just in case 
 +{{:1628058538905.jpg?direct&600|}} 
 +{{:1628058554351.jpg?direct&600|}} 
 + \\ \\  
 +==== Middle DS18B20 is used for MitsuRunner, blue arrow points to the location of the original defrost thermistor ==== 
 +{{:1628143146973.jpg?direct&600|}} 
 + \\ \\ 
 ==== Outdoor temperature sensor ==== ==== Outdoor temperature sensor ====
-{{:en:1628059042729.png|}} +{{:1628059042729.jpg?direct&600|}} 
- +{{:1628083497222.jpg?direct&600|}} 
-{{:en:1628083497222.png|}} + \\ \\ 
- +
-==== Spare sensor on upper pipe ==== +
-{{:en:1628058554351.png|}} +
 ---- ----
  
 ===== Enclosure ===== ===== Enclosure =====
  
-{{:en:1628058612319.png|}} +{{:1628058612319.jpg?direct&600|}} 
- +{{:1628058837331.jpg?direct&600|}} 
-{{:en:1628058837331.png|}} +{{:1628059021262.jpg?direct&600|}} 
- + \\ \\ 
-{{:en:1628059021262.png|}} +
- +
 ---- ----
  
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 ==== Defrost thermistor insulated ==== ==== Defrost thermistor insulated ====
-{{:en:1628058402250.png|}} +{{:1628058402250.jpg?direct&600|}} 
 + \\ \\ 
 ==== Holes drilled to avoid ice accumulating ==== ==== Holes drilled to avoid ice accumulating ====
-{{:en:1628058345389.png|}}+{{:1628058345389.jpg?direct&600|}}
  
en/puus_setup.1673358629.txt.gz · Last modified: 2023/01/29 21:54 (external edit)

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