My original plan was to install 3x air conditioning units (air to air heat pump) after nearly running out of oil at the peak of winter with the added benefit of cooling. I had already run this past my neighbours and these outdoor units are not going to be visible from their property, and our...
I think I have sorted this out.
All the problems were due to the Live and N being switched around from the mains switch to the programmer, which was causing a lot of complexity.
Once I wired them in the correct way (Black wire to N and Red to L from the mains to programmer). The yellow...
This is what I found
The mains power switch works perfectly :D
The wall thermostat (Sunvic LX 2356)
1. yellow with red sleeve (has power when thermostat is off)
2. Blue with red sleeve ( has NO power when thermostat is off)
3. Red has no power when the thermostat is off
When the thermostat is...
Does that mean, the HW and CH have been wired the other way around? o_O
Is there an easy way to check if the wires from Terminal 1 and 2 of the programmer are the same going into thermostat? Never had to do this in the past.
Also do I need to do anything about the Neutral terminal on the...
Yes the thermostat pic is the room stat.
I first checked with a tester, then used a multimeter to check for voltage across the various terminals
The Neutral I am referring to is in the programmer !
When the Hot water is on I get voltage on Terminal 3, but when CH is on I get voltage on both...
We are in the process of moving house and currently have a Netatmo thermostat along with a bunch of radiator valves.
Our new home has Oil central heating and hot water.
There are two thermostats - One in the hall way and the other next to the boiler(which is in the garage).20201223_132521 by...