The Efficient Home Forum

I guess this is more a general UFH question than specific to evohome but here goes,

Currently I have the system set such that the HCC80R controls the UFH feed supply zone valve (4043) only. The UFH mixing pump runs continuously, irrespective of the HCC80R demands. Currently the system works great ...

When we added a UFH system it was recommended to add a zone valve to the ufh supply feeds. However, I used the HCC80R pump take off to control the motorised zone valve. The valve (in my case honeywell V4043H1080) also has a floating relay. This relay can in turn be used to control the ufh mixing ...

so I can answer my own question . Yes you can bind multiple HCC80R ufh zones to a single evo controller zone. e.g if you had 5 actuators on the manifold for a single room you could use ufh zones 1 and 2. ie on the HCC80R you can physically plug in 3 actuators on HCC80R zone 1 and 2 actuators on ...

I'm not sure why your ufh unit is bound independently to a BDR91 and Y87RF. Why not maker the evo controller the central command point for the ufh, rather than try to have it control is own BDR91 and sensor. The ufh system unit has its own take off to control a pump or relay so you shouldn't need to ...

We have a UFH system in a room with 6 physical circuits. This is connected to 6 manifold takeoffs, each with an actuator. I have wired 3 actuators to zone1 or the HCE80, 2 actuatiors to zone 2 and 1 actuator to zone 3. The pump take off from the HCE 80 is used to open a valve that feeds the UFH ...