Andrew Corney
You've probably noticed you're now running on v8.5 of EnergyPlus or maybe you're thinking about updating an existing project to the new version.
Here's a summary of the fixes that were released in v8.5 from the DoE website.
We've also found that runs are noticeably faster (approximately 25%) running this version compared with v8.3 and v8.4
New Features
- #5256 : For multiple year run periods, only show final simulation year in tabular reports
- #5267 : Improve reheat coil sizing when there is no central heating coil
- #5281 : Improved Scalable Pump Sizing
- #5293 : Add new output variables for ZoneHVAC:IdealLoadsAirSystem supply and outdoor air flow rates
- #5297 : Add conduction finite difference node heat flux output
- #5308 : Add output for node specific heat
- #5375 : Improved economizer integration and single mode option for multi-speed coils
- #5392 : Add HeatExchanger:AirToAir:SensibleAndLatent as a valid air loop main branch component
- #5411 : Add net area column to envelope summary
- #5437 : Electric storage controls and clean up
- #5477 : Add Humidifier as valid component to OA subsystem
- #5493 : Add new ASHRAE single-zone VAV fan control for fan coil units
- #5522 : Add LCCusePriceEscalationDataSet2015 dataset
- #5542 : Shiny LaTeX Documentation
Performance Enhancements
- #5226 : ObjexxFCL vector-like API extensions
- #5347 : ObjexxFCL update
- #5395 : ObjexxFCL 4.1
- #5399 : Octree system with initial application to daylighting
Defects Repaired
- #5099 : Fix calculation of window frame heat gain
- #5159 : Remove airloop flow reset which can cause max iteration errors and fix AirTerminal:SingleDuct:VAV schedule logic
- #5175 : Fix daylighting shape test for isosceles trapezoid surfaces which were incorrectly marked as rectangular
- #5208 : Updating IDD and error handling for GHX:Vertical
- #5209 : AirloopHVAC:UnitarySystem heating only systems incorrectly size flow rate when using FlowPerHeatingCapacity method
- #5216 : Disable VentilationRateProcedure sizing for systems sized to VentilationRequirement and fix zone multipliers in OA summary report
- #5271 : Heat Pump Water Heater Energy Balance Bugfix
- #5275 : Allow SetpointManager:OutdoorAirReset to work with positive or negative slope
- #5283 : Correct ground temperature model index for Site:GroundDomain:Basement
- #5289 : Improved flushing of output per line
- #5290 : Revise memory allocation in FMU import libraries
- #5291 : Fix EMS actuators for dual temperature setpoints
- #5292 : Fix invalid IDD and IDF version warnings in input processor
- #5295 : Improve TimeBins report rounding
- #5300 : Add ElectricStorage end-use to fix misplaced storage in ABUPS Electric Loads Satisfied table
- #5304 : Fix uninitialized variables found by address santizer
- #5305 : Fix SingleSpeedFluidCooler GetInput autosize checking
- #5307 : Fix calculation of node RH, wetbulb, and dewpoint for EMS sensors if not also requested as an output variable
- #5309 : Add RegisterPlantCompDesignFlow for Refrigeration:Condenser:WaterCooled
- #5315 : Fix RoomAirNode AirflowNetwork InternalGains IDD metadata
- #5322 : Fix transition crash when shading:zone:detailed has a blank number vertices
- #5323 : Update missing GroundDomain output variables and documentation
- #5324 : Water Main correlation fix for southern latitudes
- #5326 : Update slab and basement output variable names
- #5327 : Fixed total number of hours not met by adding variable reset
- #5331 : Fix crash when assigning 2 unitary system to same zone
- #5333 : Plant heat exchanger dual deadband control fixed to run when beneficial
- #5336 : Correct humidity controls for dehumidification - Contoller:WaterCoil and SetpointManager:SingleZone:Humidity:Maximum
- #5337 : Resolve OA system temps when HX is in OA equipment list
- #5338 : Add error check for zone nodes being used more than once
- #5339 : Removed SecZoneAirNodeNum so no need to register that node.
- #5340 : EnergyPlus to FMU (ExternalInterface) Header File Updates
- #5342 : Improve warning message when coil heating water sizes to zero
- #5345 : More robust check for subsurface facing angle vs base surface
- #5348 : Correct issues with EMS parsing of negative numbers
- #5350 : Missing commas in write statements fixed
- #5352 : Various documentation and IDD updates
- #5358 : Perturb SHR if bypass factor calculation appears to fail
- #5361 : Add autosize to Chiller:Absorption:Indirect flow rate fields
- #5367 : Add outdoor air mixer in terminal unit of the VRF-FluidTCtrl model
- #5369 : Fix to an allocate used in the Zone Component Loads report
- #5371 : Using correct executable name in shell script
- #5373 : AvailabilityManager:OptimumStart output variable name change and add units
- #5377 : Small collection Ground HX and Ground Temp Manager Issues
- #5378 : Fix floating point initialization issue in VRF residual function
- #5380 : Fix ChillerHeater curve references in IDD
- #5388 : Fix crash in zone component load summary
- #5393 : Add autosized defaults for EvaporativeCooler:Indirect:ResearchSpecial object
- #5401 : Updates to soil properties tables
- #5402 : Miscellaneous Documentation Fixes Jan16
- #5407 : Unitary System and MultiSpeed Air To Air Heat Pump Total Htg/Clg Rate sometimes zero
- #5408 : Removed deprecated fields from AirTerminal:SingleDuct:SeriesPIU:Reheat and ParallellPIU
- #5413 : Updated IOref to include new table of lighting convective/radiative split
- #5414 : Removed deprecated input fields from four Air Terminal Single Duct Objects
- #5416 : ZoneHVAC:Baseboard:RadiantConvective:Water requesting flow at some times when scheduled off
- #5419 : Correct mistakes in HW Rad-Conv Baseboard Eng Ref
- #5422 : Fix false unbalanced exhaust flow warning
- #5424 : Collection of documentation, error message, and spelling correction updates
- #5425 : Added sentence to IOref about shading and DElight after testing
- #5431 : VRF no-load outdoor air flow does not appear to be working correctly
- #5432 : InitVentilatedSlab Properly initialize total surface areas
- #5437 : Electric storage controls and clean up
- #5438 : Improve information in surface height out of range warning
- #5440 : Unified the use of AirTemp and ZoneAirHumRatAvgComf for RelHum
- #5444 : Added new warning message when DElight and Shading objects are used at same time
- #5445 : Fixed fatal error when autosizing UA-value of hot water coils
- #5462 : Revise warning message for triangular windows used with AirFlowNetwork
- #5468 : IDD add IP units to water flow rate fields and other fields where gal is preferred over ft3
- #5470 : Construction:InternalSource Pipe Spacing Correction
- #5471 : Setup heat recovery flag for multispeed DX coils in AirloopHVAC:UnitarySystem
- #5472 : Added regeneration air heating coils autosizing calculation in Dehumidifier:Desiccant:System
- #5473 : ZoneHVAC:LowTemperatureRadiant:* Design Capacity Method = FractionOfAutosizedCapacity works without zone sizing run
- #5474 : Unrealistic pool makeup water flow rates
- #5486 : Catch NAN being computed in GetDensityGlycol routine to prevent -1.#IND outputs
- #5487 : Corrected equation for window luminance in Engineering Reference
- #5492 : Provide additional explanation for contaminant generation inputs in IORef
- #5495 : Fix image name issue in input output reference documentation
- #5506 : Update Engineering Reference to reflect current Fanger PMV model
- #5509 : IDF Editor and IDD changes for new IP unit conversions - also IDF Editor support for unix line endings and fix validity check
- #5511 : Fix HeatExchanger:FluidToFluid with CoolingDifferentialOnOff stuck in off mode
- #5517 : Fix object count summary for Overhangs, Fins, and TubularDaylightDiffusers
- #5519 : Corrects air flow defect in AirloopHVAC:UnitarySystem when MS coils operate at Speed = 1
- #5529 : Improve invalid zenith angle handling in Sandia PV model
- #5532 : Correct max iteration warnings in AirloopHVAC:UnitarySystem
- #5537 : Fix VRF ThermostatOffsetPriority control method
- #5539 : Fixes a control problem occurring in rare circumstances for the fixed fan speed, variable water flow fancoil
- #5543 : Correct parameter index for Polygonal in DataSurfaces
- #5548 : Updating Site:GroundDomain:Slab/Basement Error Messages
- #5552 : Set missing OA controller input for specific humidity control configuration
- #5553 : Added trigger to display date every two weeks when shadow calculation is occurring every timestep
- #5554 : Fix airloop DCV flags and fix crash when using both ERV controller and OA controller
- #5557 : Autocalculate DOAS inputs in Sizing:Zone. Note I haven't figured out …
- #5564 : Revise EMS inside hvac system iteration loop air loop calling point
- #5565 : Correct HPWH fan sizing
- #5568 : Protect divide by 0 for Terminal Unit with Zone Floor Area = 0
- #5574 : Documentation Cleanups for Lookup Tables
Under the Hood Restructuring
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