Differences

This shows you the differences between two versions of the page.

--- en:puus_setup [2023/01/13 09:48] – puu
+++ en:puus_setup [2023/02/06 12:16] (current) – [Outdoor heat exchanger sensor] puu
@@ Line 7: / Line 7: @@
   * Current clamp sensor monitoring input power of the heat pump
   * Variable temperature delta threshold to start defrosting:
-    * if (input) power < 900W, threshold = 4
+    * if (input) power < 500W, threshold = 4
-    * if 900W <= power < 1400W, threshold = 5
+    * if 900W <= power < 1000W, threshold = 5
-    * if power >= 1400W, threshold = 6
+    * if power >= 1000W, threshold = 6
+ \\ \\
 ----
-===== Mitsurunner wiring =====
+===== MitsuRunner wiring =====
-==== Outdoor unit opened ====
+==== Defrost thermistor's wires inside the outdoor unit ====
 {{:1613833132673.jpg?direct&600|}}
-==== Defrost thermistor's wires ====
 {{:1613833227097.jpg?direct&600|}}
+ \\ \\
 ==== Defrost hack wires installed ====
 {{:1613833279863.jpg?direct&600|}}
 {{:1613833353619.jpg?direct&600|}}
+ \\ \\
 ==== MitsuRunner's AC wires and current measurement clamp ====
 {{:1628058938369.jpg?direct&600|}}
+ \\ \\
 ----
 ===== Sensors =====
-==== Outdoor heat exchanger sensor and spare sensor ====
+==== Outdoor heat exchanger sensor ====
+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 ====
 {{:1628059042729.jpg?direct&600|}}
 {{:1628083497222.jpg?direct&600|}}
+ \\ \\
-==== Spare sensor on upper pipe ====
-{{:1628058554351.jpg?direct&600|}}
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@@ Line 49: / Line 49: @@
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+ \\ \\
 ----
@@ Line 57: / Line 56: @@
 ==== Defrost thermistor insulated ====
 {{:1628058402250.jpg?direct&600|}}
+ \\ \\
 ==== Holes drilled to avoid ice accumulating ====
 {{:1628058345389.jpg?direct&600|}}