I’ve swopped thermostat’s before, but my recently purchased LightwaveRF LW920 Boiler Switch has me scratching my head. My thermostat controls my hot water and my heating. The current Thermostat has the obvious neutral and live wires, and then wires leading into terminals marked Domestic Hotwater On and Heating On. Which terminals should these two wires connect to on my LW920 boiler switch ?
My attempts to understand the Normally Open, Common and Normally Closed terminal arrangement has left me with a head ache. So any assistance would be gratefully received.
My understanding (as I haven’t fitted the boiler switch, but was going to so read up on the wiring diagrams etc) The LWRF boiler switch will only control 1 channel eg heating, if you want to control 2 channels eg hot water as well you need another relay / switchLWRF light switches in several rooms, WIFI Link, Energy Monitor, Socket x3 and multiple On/Off adapters. PIR controlling lights and doorbell utilising light feature. TRV's for heating. Relays for garden and outside lamps Linked with Amazon Alexa via a dot
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