Dear Mr. Dirkes,
Prior to V7, Availability managers can only be used to set turn on/off flags for the fan (pump) of entire air (plant) loop. They can not be applied to individual components.
In V7, this feature has been added to several zone components like PTAC, PTHP, Window AC, Unit heater etc.
The availability managers always act on the fan/pump availability schedule. (not the availability schedule of component which has fan).
In V7, when applying availability manager to zone component object (e.g. PTAC), the component object must be available.
Then if its fan schedule is set to off during the night and night cycle availability manager is used to turn the fan on in certain conditions, the night cycle availability manager will make the fan available even if the fan's availability schedule is set to off. But if the DX heating and cooling coils are unavailable they won't be turned on by the availability manager.
In your current configuration, LowTempTurnOff should turn off the heat pump fan whenever the temperature at "NodeIn_OA_BaseSys2-11" is below 12.8 C.
Not aware of any other way to achieve your goal. Sorry for the inconvenience.
Chandan
On 10/31/2011 1:18 PM, Jim Dirkes wrote:
Dear Dr. Li,
I understand that part. I’m trying to turn off the COOLING coil below ~13C.
The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
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