Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 EnergyPlus Tutorial Lab Week-7 1Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 • Objectives – Run an EnergyPlus Simulation – View results in Excel – View results in SEE IT – Edit EnergyPlus input file with IDF Editor – Edit EnergyPlus input file with spreadsheet interface 2Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 • Examples – Input file from EnergyPlus tutorial • Simple box building • ECO Temperature Settings • HOG Temperature Settings – Simplified Y2E2 spreadsheet interface • Existing inputs • Set point calibration 3Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Open EP-Launch May need to search 4Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Select input file (.idf) 5Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Select input file (.idf) Browse 6Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Select input file (.idf) Pull-down 7Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Simulate! 8Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Thinking…. 9Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Success! Warnings: Generally ignore Severe Errors: Crash – look at error file 16 seconds! Not bad! Not typical! 10Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 View results: Select file type 11Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 View results: Select file type Useful text files: Error RDD 12Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Error file Look at Severe Errors: address concerns in editor (Temperature out of range, using wrong syntax, etc) 13Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 RDD List of possible outputs to display More outputs increase run-time 14Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 View results: Select file type Spreadsheets: Meter Output Variable Output 15Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Meter Building level meter outputs Example: Electricity District Heating District Cooling 16Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Predicted Monthly Energy Use for Simple Building with Eco Temperature Set points 17Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Edit file with IDF Editor 18Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Save As… Add –Hog to file name Maintains original file 19Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Control + L Collapses unused categories 20Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 • From here, we can tweak the inputs • Example – look at temperature settings • [0009] Schedule:Compact 21Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 ECO Heating Temperature Schedule 22Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 ECO Heating Temperature Schedule For each day type 23Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 ECO Heating Temperature Schedule For each day type For all times of the day First time entry – from midnight until entered time “From midnight until 7:00am, temperature will be 15C” • Note oF = (9/5) * oC + 32 ~ 2C + 30 •  15oC ~ 60oF 24Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 ECO Heating Temperature Schedule For each day type For all times of the day First time entry – from midnight until entered time “From midnight until 7:00am, temperature will be 15C” Additional time entries – from last time until next time “From 7:00am until 5:00pm, temperature will be 20C” 25Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 ECO Cooling Temperature Schedule 26Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Eco Heating Eco Cooling Hog Heating Hog Cooling Weekdays: Until 7am 15 C/59 F 30 C/86 F 22 C/71.6 F 23 C/73.4 F Weekdays: Until 5pm 20 C/68 F 25 C/77 F 22 C/71.6 F 23 C/73.4 F Weekdays: Until Midnight 15 C/59 F 30 C/86 F 22 C/71.6 F 23 C/73.4 F Weekends and Holidays 15 C/59 F 30 C/86 F 22 C/71.6 F 23 C/73.4 F Design Days 20 C/68 F 25 C/77 F 22 C/71.6 F 23 C/73.4 F 27Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new heating schedule Click on ECO HEATING 28Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new heating schedule Duplicate Object 29Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new heating schedule New schedule appears 30Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new heating schedule Double-click or click and type to edit inputs 31Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new heating schedule Change name to HOG HEATING Change all temperatures to 22 (C) 32Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Creating new cooling schedule Repeat process for cooling schedule Select 23 C for all temperatures 33Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Apply new temperature schedules Scroll down and select ThermostatSetpoint:DualSetpoint 34Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Apply new temperature schedules Click schedule to see options Select HOG HEATING 35Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Apply new temperature schedules Repeat for cooling 36Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Apply new temperature schedules Asterisk – unsaved Save file Close editor 37Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Select input file (.idf) Browse 38Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Select new Hog file 39Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Simulate! 40Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 View meter output 41Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Meter Building level meter outputs Example: Electricity District Heating District Cooling 42Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Simulated Monthly Energy Use for Simple Building with Hog Temperature Set points 43Copyright  2011 Lab Week-7: May 12, 2011 CEE 243 Simulated Monthly Energy Use for Simple Building Comparison between Eco and Hog Set Points 0250,000,000500,000,000750,000,0001,000,000,0001,250,000,0001,500,000,0001,750,000,0002,000,000,0002,250,000,000JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberEnergy Use (Joules)Eco - Electricity:Facility [J](Monthly) Hog - Electricity:Facility [J](Monthly)Eco - DistrictCooling:Facility [J](Monthly) Hog - DistrictCooling:Facility [J](Monthly) Eco - DistrictHeating:Facility [J](Monthly) Hog - DistrictHeating:Facility [J](Monthly)44Copyright  2011 Lab