Heat pump data – cold day
Published January 18, 2012 by Sean
Temperature logged on one of my radiators. Outdoor temperature 1 degree above freezing.
4.5Kw ASHP, Whole house consumption over 24 hours 31kWh.
Flow setpoint 38, Flow 40/return 31
(click for larger image)
Looks like 15 compressor starts in a 15 hour period. This is a radiator system with no buffer tank (but bypass fed to lower coil in a 150l DHW tank).
Filed under Heating
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