3.0 add_central_ice_storage 48f37812-0cb6-4770-b695-beb8d8a5660d c0947fd7-82e6-47f2-82a0-f5ebfd0205a8 20230602T162403Z 6394841D AddCentralIceStorage Add Central Ice Storage This measure adds an ice storage tank to a chilled water loop for the purpose of thermal energy storage. This measure adds the necessary components and performs required model articulations to add an ice thermal storage tank (ITS) to an existing chilled water loop. Special consideration is given to implementing configuration and control options. Refer to the ASHRAE CTES Design Guide or manufacturer applications guides for detailed implementation info. A user guide document is included in the docs folder of this measure to help translate design objectives into measure argument input values. objective Select Energy Storage Objective: Choice true false Partial Storage Full Storage Full Storage Partial Storage Partial Storage upstream Select Upstream Device: Partial Storage Only. See documentation for control implementation. Choice true false Chiller Chiller Chiller Storage Storage storage_capacity Enter Thermal Energy Storage Capacity for Ice Tank [ton-hours]: Double true false 2000 melt_indicator Select Thaw Process Indicator for Ice Storage: Choice true false InsideMelt InsideMelt InsideMelt OutsideMelt OutsideMelt selected_loop Select Loop: Error: No Cooling Loop Found Choice true false selected_chiller Select Chiller: Error: No Chiller Found Choice true false chiller_resize_factor Enter Chiller Sizing Factor: Double false false 0.75 chiller_limit Enter Chiller Max Capacity Limit During Ice Discharge: Enter as a fraction of chiller capacity (0.0 - 1.0). Double false false 1 old Use Existing (Pre-Defined) Temperature Control Schedules Use drop-down selections below. Boolean false false false true true false false ctes_av Select Pre-Defined Ice Availability Schedule Choice false false N/A N/A N/A ctes_sch Select Pre-Defined Ice Tank Component Setpoint Schedule Choice false false N/A N/A N/A chill_sch Select Pre-Defined Chiller Component Setpoint Schedule Choice false false N/A N/A N/A new Create New (Simple) Temperature Control Schedules Use entry fields below. If Pre-Defined is also selected, these new schedules will be created but not applied. Boolean false false true true true false false loop_sp Loop Setpoint Temperature F: This value replaces the existing loop temperature setpoint manager; the old manager will be disconnected but not deleted from the model. Double true false 44 inter_sp Enter Intermediate Setpoint for Upstream Cooling Device During Ice Discharge F: Partial storage only Double false false 47 chg_sp Ice Charging Setpoint Temperature F: Double true false 25 delta_t Loop Design Temperature Difference F: Enter numeric value to adjust selected loop settings. String true false Use Existing Loop Value ctes_season Enter Seasonal Availabity of Ice Storage: Use MM/DD-MM/DD format String true false 01/01-12/31 discharge_start Enter Starting Time for Ice Discharge: Use 24 hour format (HR:MM) String true false 08:00 discharge_end Enter End Time for Ice Discharge: Use 24 hour format (HR:MM) String true false 21:00 charge_start Enter Starting Time for Ice charge: Use 24 hour format (HR:MM) String true false 23:00 charge_end Enter End Time for Ice charge: Use 24 hour format (HR:MM) String true false 07:00 wknds Allow Ice Discharge on Weekends Boolean true false false true true false false report_freq Select Reporting Frequency for New Output Variables This will not change reporting frequency for existing output variables in the model. Choice false false Timestep Detailed Detailed Timestep Timestep Hourly Hourly Daily Daily Monthly Monthly RunPeriod RunPeriod dr Test Demand Reponse Event Boolean false false false true true false false dr_add_shed Select if a Load Add or Load Shed Event Choice false false Shed Add Add Shed Shed dr_date Enter date of demand response event: Use MM/DD format. String false false 9/19 dr_time Enter start time of demand response event: Use 24 hour format (HR:MM) String false false 11:30 dr_dur Enter duration of demand response event [hr]: Double false false 3 dr_chill Allow chiller to back-up ice during DR event Unselection may result in unmet cooling hours Boolean false false false true true false false HVAC.Cooling Measure Type ModelMeasure string Intended Software Tool Apply Measure Now string Intended Software Tool OpenStudio Application string Intended Software Tool Parametric Analysis Tool string Intended Use Case Model Articulation string Intended Use Case New Construction EE string Intended Use Case Retrofit EE string README.md.erb erb readmeerb 703C9964 ice_test_model.osm osm test A3FC1180 Ice Measure Implementation Guide.pdf pdf doc 090841B0 README.md md readme 962B1D2E LICENSE.md md license BFFB1AA6 OsLib_Schedules.rb rb resource 3F0F6133 add_central_ice_storage_test.rb rb test 3A924340 OpenStudio 3.0.0 2.7.1 measure.rb rb script C8E8B60E