Search found 1 match

by Russ072
Mon Oct 21, 2019 4:40 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Honeywell DT90E wiring
Replies: 4
Views: 35472

Re: Honeywell DT90E wiring

I’m doing the same model. But I don’t have a yellow cable. Just have the Earth, two reds and a black. Any ideas anyone? The video on YouTube reckons you only need two wires. I tried that and it’s just on constant.
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