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Notes/2026-01-10 1453 experiments with ashp delta t.md

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+---
+category:
+  - "[[Journal]]"
+type:
+  - "[[Log]]"
+title: experiments with ashp delta t
+created: 2026-01-10T14:53:14
+date: 2026-01-10
+---
+So my delta t on the [[Mitsubishi 6kW Ecodan Heat Pump|ASHP]] is usually around the 3c. [[AI Gemini]] suggested that the pump speed was too fast, so I've bumped this down from 3 to 2. The current flow temp is 45c (for 2.5 hours), we're 1c off room temp target. Lets see if we get a change.
+
+@ pump speed 3, 23w, 17L/min = ~3.5c
+@ pump speed 2, 18w, 15L/min = 3.5 - 4c
+@ pump speed 1, 13w, 13L/min = 4.5 - 5c
+
+lol, **IGNORE THESE FIGURES**, the kitchen [[UFH|ufh]] was off!!
+
+I thought the ufh actuators were NO, but they're NC
+
+I suppose this info could be useful at some point