Wiring Instructions ET46TH with ET51

[Steven]

Wiring Instructions – Replacement Diamond H thermostat type ET46TH with type ET51

Note Please use appropriate wiring diagram when fitting replacement thermostat.

Replacement thermostat has three connections A B C.

Instructions for BUILT IN Appliances fitted with timer

Remove connection from 2 and connect to A on new stat, then remove link lead.
Remove connection from G and connect to B on new stat.
Remove connection from 6 and connect to C on new stat.

Instructions for SPLASHBACK appliances with timer

Remove connection (double tag) from F and connect to C on new stat, then cut off small link (2a to timer).
Remove the connect from 2 and connect to 2a.
Remove connection from 6 and connect to A on new stat.
Remove connection G/H and connect to B on new stat.

Instructions for FREESTANDING appliances with timer

Remove connection (double tag) from 5 (timer) and connect to C on new stat, then cut off small link (f).
Remove connection from 6 and connect A on new stat.
Remove connection from G/H and connect to B on new stat.

Instructions for FREESTANDING appliances no timer

Remove connection from 2 connect to A on new stat.
Remove connection F and connect B on new stat.
Remove connection G/H and connect toC on new stat.
Link from G/H to 6 remove or sever.

I know this has been asked for not sure if it has been posted as the Diamond H forum is locked i have put it here for now.

I also have it as a PDF if required.

Steven

Hope this helps

[wilson1]

Re: Wiring Instructions ET46TH with ET51

Hi Stephen
Just done this stat conversion.
Now have constant fan motor running
on power up.
Dont suppose you have a wiring diag
for this.
Tri/Ben SB431

Wilson1

[simonb]

Re: Wiring Instructions ET46TH with ET51

😆 i was given one by qualtex just the other day, iv not returned to do the coversion but can forward it, its only the diagram of the stat and is a bit dismal to be honest if anyone has anything better id be grateful, a little confusing maybe it will all come clear in the end,

[Author]

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