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DIY-Matt DIY-Matt is offline
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Posts: 2
Default Sunvic Programmable Room Thermostat TLX 6501 (revisited)

Hi,

I've been reading the forum around the TLX 6510 and came across this useful thread:
http://www.diybanter.com/showthread.php?t=2967

I have an old Honeywell T6360B room thermostat and I'm in the middle of decorating. I'm trying to get something that looks a bit nicer (and digital, too) and I've been to B&Q and bought a Sunvic TLX 6501.

The problem I'm facing is this:

The Honeywell thermostat has 3 wires (blue, brown and yellow), which I believe are (taken from thread above):

Blue - Neutral
Brown - CH on (i.e. permanent live)
Yellow/Green - switched live

It's wired as follows (from left to right)

Earth
2 Blue
3 Yellow
4
1 Red
5 Not used (no terminal attached)
6 Not used (no terminal attached)

(I believe that 5 and 6 are for an optional LED, which this model doesn't have).

The new Sunvic TLX 6501 has 3 terminals (although the thread I mentioned above suggests that only 2 are used).

Based on my current setup with the Honeywell, can anyone help me decipher which wires to use and which colours go where?

The Sunvic has the following options:
NO
COM
NC

I'm hoping that what I've bought will still do the same job as the old analogue Honeywell, but the advantage of this is that during the colder months, I can leave the heating on all day (we don't normally do this) and have it automatically set lower during the night and warmer during the day.

Thanks for your help.
Matt

Last edited by DIY-Matt : October 16th 05 at 08:07 AM