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by MontyWB
Wed Nov 26, 2008 10:00 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Heatmiser PRT
Replies: 3
Views: 3271

Hi Bob

It's a Heatmiser DT / PRT.

I think I have to connect live to L and A1, neutral to N and yellow to A2 on the PRT.

That's how it looks to me from the wiring diagram.
by MontyWB
Tue Nov 25, 2008 2:29 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Heatmiser PRT
Replies: 3
Views: 3271

Heatmiser PRT

Anyone know how to replace a 25 year old thermostat with a digital one with regard to wiring? I have red, blue and yellow wires to current thermostat and I think I have to connect live to L and A1, neutral to N and yellow to A2 on the PRT. Am I correct?
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