[esp-r] Re: logical control: act if a>b
Jon Hand (clcv10)
jon at esru.strath.ac.uk
Wed Oct 31 10:58:23 GMT 2007
A recent question:
is there a possibility for setting up a control rule like: act if
i.e. outdoor temp is lower then room temperature?
any hint or workaround is highly appreciated
There are flow controls that respond to the delta T between two
flow nodes. There are also flow controls with multi-sensors
so one may create AND or OR logic.
On the zone side there are no sensors which work on a delta T.
One might approximate a heater control by using an air flow
network and a flow controller and a mixing box zone (where
heat is injected) to blow heated air into a room based on flow
control logic.
-ESRU
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