Question 1

Does this system turn your boiler on and off, or do you have to leave the boiler on all the time?

Accepted Answer

A convention central heating system will comprise of a programmer, room thermostat, hot water cylinder thermostat, associated motorised valve or valves, pump and boiler. Obviously this will differ if your boiler provides hot water directly. The programmer turns on and off the control to each thermostat, and each thermostat will turn on or off the assoc valve, pump and boiler on demand during the on control time slot.The hive system simply replaces the programmer, with the receiver unit (no wiring mods required if your programmer has industry standard backplate) and the room thermostat (which needs the old thermostat wiring to be linked out, in the termination box,in order to work). The thermostat is the smart device where you can program upto six time independent schedules for both heating and hot water. The added advantage for the heating schedule is that temperature can be varied for each scheduled time slot. So yes, the hive system will turn on and off your boiler. It will be no different to your present system set up but with a lot more smart functionality. If you have any doubts what so ever, go for the British Gas install for the ultimate peace of mind. Now been installed for nearly a month, and Wifey is also very impressed by the system.

Question 2

With good electrical skills, can this be installed without a heating engineer? The wiring in the current box is fairly basic for someone like me.

Accepted Answer

What I did, as an example, hope it is of some use...My original setup was a Drayton LP 522 two channel programmer, and a Drayton RTS1 wired room stat.   Two separate zone valves, for heating and hot water, what they call an S plan system.   The hive receiver replaced the programmer with no wiring changes at that position; and it also 'mechanically' fitted onto the standard back plate used by the 522 programmer.  The RTS1 room stat was sitting over a normal single gang wall box.  I removed the original stat and its backplate.  I fitted the hive thermostat's new backplate over the existing wall box, as the position was OK and it would avoid re-decoration.   The three core & earth (live from programmer, switched live to CH zone valve, neutral) at that position was now redundant, but I left it suitably labelled and safe in a four way choc bloc, in case of future reversion to a normal system.  Having then found the other end of that cable in the heating junction box, (in the airing cupboard in my case) I removed it from the mass of wiring and also made that end safe for future re-use.  All that remained was to alter the remaining wiring so that the heating demand from the hive receiver went straight to the heating zone valve. I had previously read the installers instructions pdf on the Hive website in which all the necessary steps were quite well described, and that had  encouraged me to do my own installation.

Question 3

Is this compatible with the Worcester bosch green star I junior?

Accepted Answer

Not sure about the junior but I have it connected to the Worcester Bosch Greenstar CDI 34.  From what I recall of my research it was only certain older boilers it was not compatible with.  You can check their web site for details.

Question 4

this says its not suitable for combi, but i was under the impression a single reciever was what was needed for the combi?

Accepted Answer

I have a combi and use this system for the heating only, it works great, check  you tube on how to install very easy, 1 thing to note double check this comes with the WiFi receiver and isn't just the controller panel

ASIN	B011B3J6B8
Backlight	Yes
Best Sellers Rank	468,181 in DIY & Tools ( See Top 100 in DIY & Tools ) 476 in Home Programmable Thermostats
Brand Name	Hive
Colour	White
Connectivity Protocol	Wi-Fi
Connectivity Technology	Wi-Fi
Control Method	Voice
Control Type	Button Control
Controller Type	alexa,amazon
Customer Reviews	4.6 4.6 out of 5 stars (2,225)
Display Type	LCD
Global Trade Identification Number	05054347000365, 05054347004202
Included Components	hive
Item Dimensions D x W x H	104D x 48W x 100H millimetres
Item Shape	Round
Item Type Name	Hive Active Heating and Hot Water Thermostat without Professional Installation - Works with Amazon Alexa
Item Weight	0.21 Kilograms
Manufacturer	Hive
Manufacturer Part Number	HAH2KitHeat&HWAmz-01
Model Name	hive active heating and hot water
Model Number	HAH2KitHeat&HWAmz-01
Mounting Type	Wall Mount
Number of Batteries	4 AA batteries required. (included)
Number of Items	1
Power Source	Electric
Product Style	Heating and Hot Water
Special Features	Automatic,Easy To Use
Specific Uses For Product	Boiler
Specification Met	energy
Temperature Control Type	Smart/Remote
Unit Count	16.0 gram
Voltage	230 Volts

Hive Active Heating and Hot Water Thermostat Without Professional Installation-Works with Amazon Alexa

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