Last seen: Sep 15, 2025
PPPS Your thermostat appears to feature a programmable upper limit, which limits the max temp it can be set to. Im guessing that it is this upper l...
PPS Please can you confirm how the valves valve1 and valve 2 are controlled. I presume its directly from the heat pump NOT from the thermostat, but...
PS to above. I think you said you had a valve that allowed the buffer to be isolated. If so I strongly suggest you isolate it. You wont be defrostin...
Maybe This will of course cause your secondary pump to run continuously. However don't worry about this for now as it will also allow us to see ...
Fair enough advice, which is why my first advice was to turn the set temperature up to 10C above desired temperature. Apparently this is impossible (...
Sorry but if you now want to get your current system, which is sub optimal as regards the plumbing, running as best as it can then you need to stop fi...
OK. If its still cycling at desired temp plus 2, its absolutely useless both as a temperature limiter and as a temperature controller and will need t...
How do you know this is due to the thermostat, the heat pump itself will almost inevitably cycle at the current OAT, with or without the thermostat.
Thanks, that makes perfect sense (not that I have a Samsung heat pump!)
I accept its always displayed however with static water in the pipes the temperature at the sensor wont in any represent the temperature of the actual...
I assume that option 4 is to allow the heat pump to 'sniff' the temperature of the heating water from time to time without running the pump constantly...
@toodles Well I accept that is a logical interpretation however why have one? My heating system doesn't and neither does any other heating system...
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