Method setReturnPlenum

src/model/ZoneHVACComponent.cpp:166–206

    }

    bool ZoneHVACComponent_Impl::setReturnPlenum(const ThermalZone& plenumZone) {

      bool result = true;

      if (!plenumZone.canBePlenum()) {
        result = false;
      }

      auto node = inletNode();
      if (!node) {
        result = false;
      }

      auto m = model();

      boost::optional<AirLoopHVACReturnPlenum> plenum;

      if (result) {
        plenum = plenumZone.getImpl<ThermalZone_Impl>()->airLoopHVACReturnPlenum();

        if (!plenum) {
          plenum = AirLoopHVACReturnPlenum(m);
          plenum->setThermalZone(plenumZone);
        }

        OS_ASSERT(plenum);
        OS_ASSERT(node);
      }

      // don't let a plenum connect to ZoneHVAC and AirLoopHVAC at the same time
      if (plenum->airLoopHVAC()) {
        result = false;
      }

      if (result) {
        removeReturnPlenum();
        result = plenum->addToNode(node.get());
      }

      return result;
    }

    bool ZoneHVACComponent_Impl::addToThermalZone(ThermalZone& thermalZone) {
      Model m = this->model();