Hive on Worcester Greenstar Heatslave 18/25

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Gah! It’s working... except... it seems to be doing the opposite of required ... when the thermostat tells the receiver to be on, the boiler goes off and when the thermostat tells the receiver to be off, the boiler comes on??
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Yes, that sounds like the cause of it, so the brown and blue switch back how it was, leaving the link wire in.

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