Recent content by alexfrs

Thanks Stem, I think there are other valves directly under the programmer which are the under floor heating valves. The programmer and the under floor heating manifold is the other side of the wall of the photo and about two foot lower so maybe thats where the bottom cables head off to. I'll...

(photo on the left) Top left is to wireless honeywell upstairs stats, bottom left is mains in, bottom right is to programmer, black top right to actuator valve and white top right is to downstairs stats, i think?

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Thinking about it, I reckon the plumber has miss-wired a constant live to a switched live in the main junction block and bypassed the programmer. I can't think of a way of knowing whats what in the main junction block as it has mains in, wires to the boiler, wires to a valve, wires to the...

Ive just checked the lounge honeywell dt90 thermostat and there are only two wires connected, brown to term A with constant 240v (whether the programmer is on or off), black with brown sleeve to term B and nothing in term C. A green and yellow earth wire to the earth tag on the cage. A grey...

I know your right, I should, but its very difficult when they take 6 weeks to come out and even need my assistance when they do get here, sooo frustrating.

The model of boiler is promax combi HE plus, a range

The only link I remember is one that selected 24v or 240v, 240v was selected, it was a dil switch on the back. Not sure how I would find out about any other type of link. I feel I may be about to get lost, would a house be able to be built and the full heating system not be checked whether it...

Thanks for the replies. Would the programmers red LED, that shows it is on, still be able to extinguish, when turned off, if the relay is stuck? Because it does go off, with a click? When I get home I will test if term 4 is 240v or not, I guess this would prove the stuck relay theory?

When I first moved in the programmer would control all of the thermostats, upstairs and downstairs, except the lounge one which had to be replaced. This was when the replacement one and the programmer blew, also, the under floor heating manifold fuse blew at the same time. The thermostat (a...

the red led on the programmer illuminates when it reaches the on time. everything functions correctly on the programmer, except turning the stats on or off