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Wrap a Coil:Cooling:WaterToAirHeatPump inside an AirLoopHVAC:UnitarySystem and place that on the supply side on your air loops. You'll need to use the API to create these objects.

There are two schools of thoughts as to how you should do this: either you include the fan, and a potential heating coil inside the UnitarySystem, or you just wrap each component individually in an UnitarySystem (for example two unitarysystem, one for the cooling coil and one for the heating coil) and place a SetpointManager on the outlet of each.

There are a couple of threads on Unmet Hours that talk about this subject.

Wrap a Coil:Cooling:WaterToAirHeatPump inside an AirLoopHVAC:UnitarySystem and place that on the supply side on your air loops. You'll need to use the API to create these objects.

There are two schools of thoughts as to how you should do this: either you include the fan, and a potential heating coil inside the UnitarySystem, or you just wrap each component individually in an UnitarySystem (for example two unitarysystem, one for the cooling coil and one for the heating coil) and place a SetpointManager on the outlet of each.

There are a couple of threads on Unmet Hours that talk about this subject.subject:

  • https://unmethours.com/question/968/modeling-self-contained-water-cooled-ac-units-in-os-or-e/
  • https://unmethours.com/question/15451/unitary-system-where-to-add-the-supply-fan/
  • etc