ericmark's latest activity
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ericmark replied to the thread size of battery needed for my solar panel.Watts = Volts x Amps x power factor, the latter in DC is 1, so amps = watts/volts so 45/12 = 3.75 amps. It is just simple maths now we... -
ericmark replied to the thread New boiler or not?.The three port valve default is DHW, so it will allow the boiler to cool by heating DHW even when the pump is not running, so for oil...
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Getting a combi would have some benefits, but not many and it would require a conversion (changed from conventional system to combi) a...
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ericmark replied to the thread Totally confused heating control.I can see your point, in mother's house 4 rooms used regular, the two upstairs rooms only at night, and enough heat came from downstairs...
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ericmark replied to the thread Totally confused heating control.Yes, but why would you, the whole reason in my case of getting Drayton Wiser was it could work with linked TRV heads, even if not...
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ericmark replied to the thread size of battery needed for my solar panel.* Power Converter Output Voltage: 12V * Power Converter Output Current: 25A So if the mains to 12 volts unit is 25 amps, then it can...
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ericmark replied to the thread Totally confused heating control.But Hive used electronic TRV heads.
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ericmark replied to the thread New boiler or not?.Central heating (CH) for a three-bedroom house likely needs a 12 kW boiler or less, and domestic hot water (DHW) to fill a bath as fast...
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ericmark replied to the thread Temu twin solar flood light modifications.A LED is a current dependent device, so somewhere, somehow, there needs to be a controller to stop over current. A battery is a voltage...
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ericmark replied to the thread Totally confused heating control.Do they? I have looked at many homes where mechanical TRV's are fitted, and the owner has just turned them up to max, as no idea how...
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ericmark replied to the thread Myson old TRV.The Wiser head comes with a range of adaptors. And you can send for more FOC from Drayton.
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ericmark replied to the thread Totally confused heating control.I would have said the same for my living room. But a new thermostat in the living room cured my problems. It was simply down to the...
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ericmark replied to the thread size of battery needed for my solar panel.We don't know exactly what heater you are using, so wild guesses as to the load and cut off point. My inverter was below 12 volts when...
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ericmark replied to the thread Reuse existing circuit.Pictures are good, one would need to inspect and test, to ensure no faults, but most domestic alarms are not low voltage (230 volts) but...
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ericmark replied to the thread Totally confused heating control.@stem has given you the answer, the wall thermostat stops the heating running when we have warm weather, it is doing that job it seems...
