Hive Installation - Worcester Greenstar 24I Junior

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Hi guys,
First Post here and many thanks already for any replies. So I wanted to install a hive smart system to this boyler, Hive Active Heating Self Install Smart Thermostat. Atm I have a drayton digistar scr receiver wired to the boyler and a room thermostat that regulates the usual. Will it be just a simple case of replacing it with the nest receiver and rewire exactly as it is wired now or will I need to change something? Attaching a pic of the current wiring.
Thanks a lot for your help.
 

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As long as you are using a single channel hive, no wiring needed, the hive will plug straight on to the existing backplate
 
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As long as you are using a single channel hive, no wiring needed, the hive will plug straight on to the existing backplate
Sorry what's the difference between a single channel and dual? My boiler is a combi will the single channel be OK? Cheers mate
 

CBW

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Sorry what's the difference between a single channel and dual? My boiler is a combi will the single channel be OK? Cheers mate
Single channel are for 1 channel eg heating
Dual channel are for heating and hot water.

Single will be fine, but a Nest receiver will not work with a Hive.
 
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Single channel are for 1 channel eg heating
Dual channel are for heating and hot water.

Single channel can be used where the boiler uses ELV ( Extra Low Voltage ) for it's control circuit inputs

Dual channel can only be used on boilers with control circuit inputs that use 230 V AC on the inputs.
 
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