Originally posted by erik
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If the HR92s have local intelligence and local autonomy to control their own actuator as suggested by top brake, then I don't think this will be the case. I think in your scenario the one measuring 30deg. would be closed and the one (the temp sensor master) measuring 15deg would be open and the boiler would be firing because the master sensor is measuring below the set point. Also I would add that I think this is the way it should operate with each HR92 having local autonomy. They are smart devices after all. Personally I have set all my zones with more than one HR92 as multi-room (even if they are just one room with multiple rads and HR92s), except where there is also wireless thermostat in the zone (when I am told the wireless room thermostat needs to be the only temp sensor and multi-room is not possible.)
Mike
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