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1. H Once the systems have been layout in the required configuration on the ADHVAC work space baseline HVAC networks should be renamed amp organized accordingly Selecting the S icon amp double clicking any ApHVAC baseline network will allow users rename HVAC networks HVAC grouping scheme must be assigned to the ApHVAC networks these grouping schemes should have been created in the Assign rooms workflow action Double clicking the Multiplex amp using the Assign from room group icon allows groups of rooms to be assigned to the selected ApHVAC network ASHRAE 90 1 App G PRM Navigator Page 49 ASHRAE 90 1 App G PRM Navigator E lt E gt ApHVAC Ms 28 Beta 6 HYAC System Baseline90Deg File Edit View Tools ApHVAC Components Controllers Help r D e SE dons lin pec fase ZB SS TO K Qe o Applications ModelBuilder ModelIT BUILDING MODELLER Lk CompLib COMPONENT MODELLER D c EE sy QiSE E BBHEBSs ce ltu6u eesal e ISIMSI See Fee EC E ee EC KC KEE gii Edit Multiplex Edit Multiplex e Layer BE 1 444 J Edit Mode Global 1 of 1 layers selected 7 Edit Multiplex MU000044 lie a e e A ge n ee A m ee m 1 Solar i SunCast SOLAR SHADING ANALYSIS Description Vo re heat Sys 7 CHW cooling4 HW heat amp re heat OA econ SAT reset d i opt energy recovery R plenum Any layer can be transfer air
2. Energy consumgkioi f Taxes discount Energy dataset dtir Proposed results dataset e csi csi testing kieran 63 ms2 Vista 63 ms2 aps Browse Comparison results dataset Browse Users will be presented with a listed of suppliers as per step 1 Tariffs can be added amp remove to the supplier tariff template The below dialogue shows the created utility company in the supplier window Supplier Add Remove Currency GEP United Kingdom Pounds E Date Created 10 Jun 2010 Tarif Type Basic ll Units kwh Bills Made Monthly Optional Parameters Description pon EDF Energy Statement of Charges 31 03 10 E Standing Charge c gt Time of Use Rates 2 Tak amp Discount list Cancel Tariffs can be added to the supplier template by clicking Add amp naming the tariff Once the tariff has been added the following information must be set ASHRAE 90 1 App G PRM Navigator Page 58 ASHRAE 90 1 App G PRM Navigator IC Electricity Tariff Supplier Electricity Domestic Supple IES Elec suppliers Domestic Standard T anff B Domestic Standard T ariff C Add Remove Tariff Mame IES standard Currency GBF United Kingdom Pounds Date Created 10 Jun 2010 sl Tariff Type Basic Units xh Bills Made Monthly Optional Parameters Description pon EDF Energy Statement of Changes 37 03 10 z Standing Charge c Time of Use
3. Night Unoccupied Hours Setback Strategy Temp Setback w HVAC Fan cycling m Create alternate schedule amp setpoints Prefix em Generate alternate schedule and setpoint profiles i s Apply setpoint and plant profiles Iv Canes Any number of additional HVAC schedules can be created to match any building system operation schedule or set point where zones may have different requirements This is done by entering a Prefix refer in the dialogue amp clicking the generate alternative schedule amp set points For example if a prefix refer of 0823 is entered amp generate is clicked a copy of the default HVAC control profiles will be created in ApPdbm with prefix of 0823 at the start of all control profiles ASHRAE 90 1 App G PRM Navigator Page 46 ASHRAE 90 1 App G PRM Navigator fes Alternative profiles can be selected for global assignment via the schedule amp set point dropdown at the top of the schedule dialogue the Apply set point amp plant profiles tick box must be activated for assignment to happen once the OK is clicked in the main dialogue If a model uses varying operation schedules these profiles must be assigned manually to ADHVAC systems in later workflows Advanced schedules can also be setup via the Configure tab in the main dialogue this feature allows users to setup more detailed JASU schedules See below mage stem Schedules Advanced Options Room Thermostat Setpoints
4. Tariff Data Electricity File Energy Sources Analysis type Simple Flat be er Variable rate Location London H eathrow Energy conzumptifi Energy dataset op i Proposed results da 3 Bless a maistas B3 mez aps Browse Comparison results dataset Browse Ma Taxes and Discounts Tax and Discount list Discount option 1 Add Name Discount option 1 Rate 1 5 C Tax Discount Utilities v Electricity Gas oi Coal Supplier Tariff Electricity Domestic Supplie Domestic Two Rate T ariff Domestic Standard T ariff A IES Elec suppliers Domestic Standard T ariff B Domestic Standard Tariff C IES small commerical elec supply Tariff Scope Apply to selected tariff s only Apply to all tariffs of selected supplier s Apply to all tariffs of selected utilities v Exclude Others sek 1 Geeg ASHRAE 90 1 App G PRM Navigator Page 61 ASHRAE 90 1 App G PRM Navigator 8 Once the previous steps have been followed the custom tariff data can now be assigned to the utility types e First set the Energy consumption data users must select the required vista results aps Files to be used for the cost analysis Tariff Analysis Overview BETA x File Energy Sources Tariff Data Analysis type C Simple Flat rate Advance Variable rate Location London Heathrow nergy consumption data Energy dataset option sl Proposed results dataset eses
5. m IES lt E gt Import Room Grouping Scheme Available schemes Scheme Name Space types Residential al gt Add Unit types Residential Remove Space types Commercial Se bn en schemes Current Scheme akur Index Group Name oom Name Search Pattern dh Add OMe Y Remove Ic OMM Elevators COMM Gym Move up CO MM Gom Cha d Move down COMM Kitchen l ESCH EN NN Cancel Apply Figure 22 Import Room Grouping Scheme Dialog Box Depending on the naming convention used common words are placed in the Room Name Search Pattern dialog for each group This name search uses the Perl regular expression syntax see the user guide PatternBasedGrouping pdf for further information In this example the rooms have been named using the convention detailed in the room zone names help section of the navigator and thus general terms like office retail lobby etc can be used to easily sort the rooms into their appropriate group ASHRAE 90 1 App G PRM Navigator Page 25 ASHRAE 90 1 App G PRM Navigator a IES VE Import Room Grouping Scheme Available schemes Scheme Name Asagned Thermal Template Scheme Project Thermal Template Current Scheme Colour index Group Name Thermal Template Search Pattem BLDG Automotive faciityS BLDG Convento BLDG Conventon centers BLDG Dining BI BLDG Dining Bar lounge leisure BLDG
6. 2200 INSULATED STEEL STUD CAVITY OC 16 amp SHRAE 1 00 0 650 1 873 2388 FELT amp MEMBRAME FELT HF E3 0 01 1 317 63 982 0 3995 CELLULAR POLYISOCYANURATE amp SHRAE 2 00 0 170 1 338 0 2150 BATT INSULATION amp SHRAE 6 00 0 8545 1 998 0 1995 D rHGUM RHAGTER BOARD HF E1 ASHRAE B2 1 115 QU DU 0 7999 Lopy Paste Cavity Insert Add Delete Flip Construction thickness 13 5570 jn U value Btu h FI U value method ASHRAE Total R value 21 4003 FE h F Btu ASHRAE U value 0 0445 Bturh fe F It may then be helpful to copy the image of the building with red highlights from the Construction Assignment dialog use the Copy button and paste this in to show where in the model each construction type has been applied An example of this is included below The copy of this image also comes with a text version of the contents of the dialog above however this includes only the CIBSE and ISO U values While these can be forced to match the ASHRAE values by fixing the inside and outside air film resistances at the ASHRAE values in the construction doing so will negate the effect of variable convective heat transfer coefficients if they are selected for the simulation in the ApacheSim dialog ASHRAE 90 1 App G PRM Navigator Page 100 ASHRAE 90 1 App G PRM Navigator DESIGN Ext Wall R 21 45 Reference ID STD WAL6 Construction is a from the project database Layer Description Thickness Conductivity Density Capac
7. A start e E apps Iles lt E gt ApHVAC Ms Be oee ApHVAC user guide for further information on Multiplexing amp the group assignment feature System Parameters Select the HVAC network s from within the white dialogue box amp set the below system information click Apply amp OK This information is critical to the baseline sizing runs Energy recovery amp air side economizer rules must be manually applied using the system parameters dialogue as per the ASHRAE 90 1 section 6 amp Appendix G Certain inputs will be grayed out where inputs are not applicable to the selected prototype system in question ASHRAE 90 1 App G PRM Navigator Page 50 ASHRAE 90 1 App G PRM Navigator Edit System Parameters EN System Zone Cooling coil min LAT 1278 ES Zone cooling load oversizing factor bm Cooling coil SAT reset sm ate Zone heating load oversizing factor IER Heating coil LAT 12 78 ec VAY or CAY ka d Heating or re heat coil LAT 35 00 ES PRM baseline Fan power adj A Inn Cooling coil LAT For FCU and ACB man SS Airside economizer ly x Active chilled beam induced air ratio 2 90 Economizer high limit temp 21 11 e Demand controlled ventilation ly x 100 outside air system IN Y CO sensor midband For DCV 1000 ppm Include energy recovery In rz Additional options and zone level inputs are available in Sensible heat effectiveness 0 00 95 ApacheHVAC and each system
8. Cooling F Heating F AM PM occ unocc occ unocc Startup After Hrs Setback Mon Fri i lan feo ffeo is os rempsetackwiHvACfancydng saturday 75 feo feo le is os TempSetbackw HVACfancycing zl sunday 75 feo fes le is fos Temp Setback w Hvac fan cycling Holidays 75 feo feo le is os Temp Setback wl Hvac Ian od zl arking Garage Fan Control State orf Continuously D Flow during Unocc times 30 o 4 4 4 4 Baseline system Setup Baseline system configuration for system sizing runs Edit Current Baseline Users are presented with the ten ASHRAE 90 1 baseline HVAC systems which correspond to System 1 8 10 listed within Table G3 1 1A and Table G3 1 1B 2007 amp 2010 Users must identify which baseline system is required to be modeled for the project in question based on the building type type and area and whether the energy source is a combined approach fossil fuel electric hybrid etc or electric or other which are outlined in the tables mentioned above Once the system type is identified users select amp import the system s on to the ApHVAC work space A number of system loops will need to be imported depending on the system design in question Prototype systems can be imported in a vertical or horizontal placement The auto placement automatically arranges HVAC systems in a tidy fashion on the work space ASHRAE 90 1 App G PRM Navigator Page 47 ASHR
9. exhst zone Energy d Apache Editing mode Global Editing c THERMAL CALCULATION AND 5 d RE ApacheHVAC Deselect All Assign from Room Group Lock Layer Selection Eje HVAC SYSTEM SIMULATION INTERFACE cT Bii E AIR MOVEM 1 of 1 layers selected a EE an if TS ANALYSIS E amp Marise gie rss HVAC Network Assign Rooms from Room Group xi Grouping Schemes wem w m Bee Zen T M I Components 0 Floors Sean zl Heating Coils 1 90 1 Building area method IP 1 Cooling Coils 2 901 Space by space method IP A Up Supply Fan 3 Floorlevel PR Extract Fan Geelen V Down olo E Spray Chamber 4 Floor types BN Steam Humidifier 5 Air Handling Units 2l Sort Active Horizontal Duct E Manual selection E Active Vertical Duct xj 4g Mixing Damper Set 7 Space types EI Room H E AirSource Heat Pump H Heat Recovery IO Controllers Colour 01 H ra Independent Time Switches ei 9 D Independent Controllers with Sensors Zone 002 Colour 02 ba e DP Independent Controllers with Different Zone 003 Colour 03 Up zo D Dependent Time Switches Zone 004 Colour 04 w Down e TL Dependent Controllers with Sensors See SE SES ES EE DES WEE SE DN Dependent Controllers with Differentia AU a es M m gt 4 D Location Belmullet Peninsula ASHRAE Climate Zone derived
10. see below lol xl File Edit View Settings Calculations B Tools Help lj amp Ba Go QUO yx o Ug f asHRAE construction wizard Create target construction z Ground contact Floorplans Opaque Constructions Glazed Construciib C Internal Ceilings Floors Doors C Internal Partitions C Roofs Ground contact Exposed Floors C Extemal Walls i standard floor construction 2002 regs Generic 0 243 BssoG1 Ground contact floor U F 1 48843 Floor ASHRAE 90 1 0 3108 BSFLO31 CZ5 Floor Non Res Steel Joist R 30 0 5 3 U 0 038 0 214 Generic Target construction creator Please enter desired u value etc in boxes provided below Category Etemdwal ss Name Test construction Target U value 0 3000 Wim K Target cM value us kM m K Add This feature allows users quickly create construction types with minimum effort for early stage analysis ASHRAE 90 1 App G PRM Navigator Page 34 ASHRAE 90 1 App G PRM Navigator Surface Assignment This command allows the user to assign proposed construction types to model surfaces Note that baseline constructions will be automatically assigned to the baseline model once created later step in the PRM Navigator Process Above Ground Assign above ground proposed constructions Ground Contact Assign below ground constructions As per ASHRAE 90 1 calculation method 7 Room Zone Thermal Template Data ER pplications ASHRAE 90 1 Ap E E 8 Na
11. the 0 deg baseline model geometry and construction assignment should now be correct IF after removing the double skin facade the overall window to wall ratio for the entire baseline building exceeds 4095 the newly exposed glazing on facades where the DSF was removed will need to be downsized until the overall 4096 requirement is met If the proposed building had greater than 40 WWR prior to generating the Baseline building the glazing area on all exterior facades will have been automatically reduced to meet the requirement For user that have previously generated the other baseline orientations by running Room Load Calculations after generating the baseline model these other orientations must be refreshed This is will be dealt with by running the Room Load calculations in a later step As these other baseline orientations are based on the O degree baseline there will be no need to repeat the steps above 18 While in the BPRM view select Baseline vs Proposed from the drop down menu on the toolbar Then manually assign the 90 1 Space by space thermal templates to the baseline zones consistent with the sorting of spaces in the model into the appropriate groups with the 90 1 space by space methods Grouping Scheme The grouping will allow efficient selection of multiple zones to which the same template is to be assigned 19 Go to the Loads Data folder in the Project folder and open the spreadsheets in both the Proposed folder and the Base
12. 00 0 00 0 00 0 00 0 00 Service Water Heating Ha Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 m D i Energy use kBtu 32 188 44 32 188 44 32 188 44 32 188 44 32 138 44 Receptacle Equipment Yes Electricity l l Demand MBH 9 92 9 92 9 92 9 92 9 97 ae SEN SS Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Interior Lighting Process Yes Electricity Demand MBH 0 00 0 00 a na 0 00 0 00 uu Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Refrigeration Yes Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 2 Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Date Cente Equipment Yes Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 i Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Cooking Fossil Fuel Yes Gas Demand MBH 0 00 0 00 0 00 0 00 0 00 n Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Cooking Yes Electricity Demand MBH 0 00 0 00 a na 0 00 0 00 D Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Elevators Escalators Yes Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 D Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Other Processes Yes Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 Total Annual Energy Use kBtu year 301 781 12 201 806 18 301 324 85 301 884 89 301 644 21 Total Process Energy kBtu year 32 198 44 Copyright 2010 integrated Environmental solutions Lined All rights reserved Full Report The full BPRM report is generated containing all the above tables plus Table 1 1 General Information ASHRAE 90 1 App G PRM Navigator Page 84 ASHRAE 90 1 App G PRM Navigat
13. 1 00 30 1 00 30 3 00 30 1 00 30 16 16 30 Fesk end ni SS 1 5 0 0 2 6 0 3 1 1 4 1 0 0 0 0 23 0 0 0 0 WY 0 0 0 0 0 0 Pesk PCT 12 3 0 0 21 1 2 0 8 8 32 7 0 0 0 0 23 1 0 0 0 0 0 0 0 0 0 0 0 0 May kWh 410 5 1 784 5 514 9 34 7 194 1 E2484 0 0 0 0 799 8 0 0 0 0 0 0 0 0 0 0 0 0 4 232 9 Max Ku 1 5 5 1 45 0 4 1 2 4 6 0 0 0 0 23 0 0 0 0 a a 0 0 0 0 0 0 15 6 12 12 12 Day Hour 3 08 30 1 0020 18 32 18 20 12 15 30 18 32 1 00 30 1700 30 3 08 30 1 00 30 1 00 30 1 00 30 1 00 30 1 00 30 1 00 30 1412 41630 Pesk end i l m 1 5 0 0 48 0 4 1 2 4 6 0 0 0 0 23 0 0 0 0 0 0 0 0 0 0 0 0 Pesk PCT 9 9 0 0 21 4 za 7 8 25 8 0 0 0 0 18 6 0 0 0 0 a 0 0 0 0 0 0 This table shows a detailed breakdown of the monthly performance of each of the PRM end use categories for all electric meters The annual electricity energy is also shown for each end use and summed to give the total annual electrical energy Note The total column in this report may not be the sum of end uses any excess generated electricity negative total is assumed to be exported ASHRAE 90 1 App G PRM Navigator Page 92 ASHRAE 90 1 App G PRM Navigator Fa Building Energy amp End Use Summary Table Fossil Fuel Building Energy amp End Use Summary ENVIRONMENTAL La soLuTIons mm I 16 Jun 2010 Report for All Fossil Fuels simulated 16 Jun 2010 at 10 30 Weather file ChicagoMidway TM bat Month Category Space Heating Service Water Heating Cooking Total January kB
14. 3 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 543 12 SHGC 0 40 Cz5 Window Man Res Metal framing all other U 0 55 3 12 SHGC 0 40 Copyright 2010 integrated Environmental Solutions Limited A rights resened 3 00 3 00 0 42 0 42 0 76 0 76 Page 99 ASHRAE 90 1 App G PRM Navigator oection 1 4 Proposed vs Baseline Constructions in the BPRM Reports will provide most of the necessary documentation as shown above for these aspects of the modeling However some users may wish to provide additional supporting detail regarding constructions For example it might be desirable to make a list of the constructions used in the model then paste in screen captures such as that shown below for each of these constructions e g if you want to include the ASHRAE U value calculations which use ASHRAE rather than CIBSE or ISO values for indoor and outdoor temperatures and air film resistance ID STD WALE Description DESIGN Est wall R 21 45 Outside surface Emissivity 0 900 Resistance 0 170 W default Solar absorptance 0 700 Inside surface Emissivity 0 900 Resistance 0 680 W default Solar absorptance 0 550 Metal Cladding Curtain wall This i a ground contact wall not an external wall U value adjustment Construction layers outside to inside Specific Msc Thickness Conductrity Density Heat ele in BturinzFrfE bp Capacity Btu lb F FACE BRICK BEA 3 94 3 083 130 037 0
15. 90 1 App G PRM Navigator Page 69 ASHRAE 90 1 App G PRM Navigator Sizing Reports Proposed This step enables the generation or display of a system level report for the proposed model The report is broken down into three sections Project Summary de Project summary Model data Project file Building floor area To replace this report image Total conditioned floor area Total conditioned volume Number of conditioned rooms Heating calculation data Results file Calculated Profile month Outdoor winter design temp To replace this report image 1 Open ModelViewer Cooling calculation data 2 Medis appropriately Results file using mode NM 3 Save the image as axon bmp Calculated to the lt ModelF older gt Vista folder Profile month Eot more information consult the Max outdoor temp dry bulb documentation Max outdoor temp wet bulb Design weather Source Weather location Monthly percentile To replace this report image 2 i Gel ModelViewer using Xraymode 3 Save the image as plan bmp to the ModelFolder lVista folder For mora information consult the documentation j IS Y For heating loads design weather For cooling loads design weather Manual mit 2152 78 ft 2152 78 ft 19776 21 ft 5 Manual p htn 09 44 18 Jun 2010 January 5 1 F Manual_p cin 09 44 16Jun 2010 May Sep 96 3 F 76 8 F ASHRAE design weather database Chic
16. Baseline 55 Design Energy Energy amp peak 0 rotation 80 rotation 180 rotation 270 rotation Solution Type demand T gi Energy use kBtu 23 612 85 23 612 85 23 612 85 23 612 85 23 612 85 Internal Lighting No Electricity Demand MBH T 27 Ze T 27 T 27 pen NM m Energy use kBtu 51 848 88 81 848 88 91 848 88 51 848 88 91 848 88 Exterior Lighting Ha Electricity s Demand MBH 18 45 18 45 18 45 18 45 18 45 f Energy use kBtu 125 448 88 125 184 85 125 050 87 124 175 04 124 985 21 Space Heating Fassil Fuel No Gas _ Demand MBH 105 05 104 93 104 98 105 57 105 13 D Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Space Heating Ha Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 u Energy use kBtu 11 823 45 11 184 08 11 134 10 10 878 42 11 230 01 Space Cooling Ha Electricity Demand MBH 13 80 13 84 14 01 13 50 13 78 l ed Energy use kBtu PD ei T4576 744 54 753 29 7 48 58 Pumps Ha Electricity i Demand MBH 1 02 1 13 1 14 1 08 1 08 n Energy use kBtu 3 850 82 3 287 72 3 281 52 3 013 97 3 308 48 Heat Rejection No Electricity Demand MBH 2 880 232 2 32 2 09 235 2 Energy use kBtu 12 828 33 13 845 53 14 015 80 14 945 78 13 933 80 Fans Interior Mo Electricity Demand MBH 11 11 10 14 10 04 8 75 10 04 i Energy use kBtu 0 00 0 00 0 00 0 00 0 00 Fans Parking Garage No Electricity Demand MBH 0 00 0 00 0 00 0 00 0 00 Service Water Heating Fossil a Enerngy use kBtu 0 00 0 00 0 00 0 00 0 00 Ha Gas Fuel Demand MBH 0 00 0 00 0 00 0 00 0 00 E Energy use kBtu 0
17. Design Percent Savings Energy use Cost Energy use Cost Energy use Cost Total kBtu 301 004 50 73 220 98 301 844 21 71 244 48 0 21 2 78 Copyright 2010 integrated Envtronmental Solutions Limited Ai rights reserved Percent Savings Energy use Cost Energy Savings Summary Table 1 8 2 Table 1 8 2 the energy savings summary table is presented Page 82 ASHRAE 90 1 App G PRM Navigator ASHRAE 90 1 App G PRM Navigator 1 8 2 Performance Rating Table PRM Compliance End Use Proce Proposed Proposed Proposed Baseline Baseline Percent ss Design Energy Design Units Building Results Design Units Building Results Savings Type 96 ES Energy use kBtu 17 171 17 Energy use kBtu 23 612 85 27 3 Internal Lighting No Electricity Demand MBH 5 29 Demand MBH 7 27 27 3 WT x Energy use kBtu 87 282 74 Energy use kBtu 91 646 88 48 Exterior Lighting No Electricity Demand MBH 17 57 Demand MBH 18 45 48 i Energy use kBtu 116 267 03 Energy use kBtu 124 985 21 7 0 Space Heating Fossil Fuel No Gas B Demand MBH 104 36 Demand MBH 105 13 0 7 Di Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Space Hesting No Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 Ke Energy use kBtu 20 612 81 Energy use kBtu 11 230 01 83 6 Space Cooling No Electricity es Demand MBH 19 73 Demand MBH 13 78 43 4 ia Energy use kBtu 1 286 92 Energy use kBtu 748 58 71 9 Pumps No Electricity Demand MBH 1 39 Demand MBH 1 09 27 0 n m Energy use
18. Dining BLDG Dining Cafetena Fast foodS BLDG Dining Fi BLDG Dining FamilyS BLDG Domitoy BLDG Domitory BLDG Elevators BLDG Elevators Equipment BLOG Court Hou BLOG Court HouseS BLDG Exercise c BLDG Exercise center BLDG Gymnas BLDG GymnasiumS Figure 23 Room Group Naming Example Clicking Apply then places the appropriate rooms into their associated room groups 2 d Model Cl BLOG Automotive facility a D BLOG Convention center a BB BLOG Court House CT BLOG Dining Bar lounge leisure lll BLOG Dining Cafeteria Fast food oO BLOG Dining Family o BLOG Dormitory CH 7 BLOG Exercise center vi lg SLOG Gymnasium Bl BLOG Heath care clinic Jg BLOG Hospital E BLOG Hotel Egg BLOG Library L Bl BLOG Manufacturing facility 4 DI BLOG Mote T CT BLOG Motion picture theater CH BB SLOG Multi family Figure 24 VE Model Structure view of Room Groups NN VU O LS If residential rooms exist in the model this process needs to be repeated for the Space types Residential room group ASHRAE 90 1 App G PRM Navigator Page 26 ASHRAE 90 1 App G PRM Navigator Ca Creating Custom Templates It may be necessary for users to create project specific custom thermal templates if the Prototype ASHRAE templates do not match all space types in the concerned model In order to do this users must add additional room groups to the prototype gro
19. Hates CH E I r HI I Taz amp Discount list Cancel e Currency e Dated created amp Tariff type e Bills Made 4 Once the above information has been set the detailed Tariff type information must be set Depending on the tariff type selected more icons will become available for example when the Basic tariff type is selected two icons appear standing rate amp time of use rates La Electricity Tariff Supplier Tariff Electricity Domestic Supple Domestic Standard Tat B IES Elec suppliers Domestic Standard T ariff C Add Remove Tarif Mame IES standard small commerical Tal Currency GBP United Kingdom Pounds E sl Date Created nimm 2010 Tariff Type Basic zl Units wh Bills Made Monthy Optional Parameters Description pan EDF Energy Statement af Charges 37 03 10 Standing Charge c Time of Use Hates c Tasg Discount list L ancel Or with Maximum Demand tariff type ASHRAE 90 1 App G PRM Navigator Page 59 ASHRAE 90 1 App G PRM Navigator s Electricity Tariff ES Supplier Add Remove Tariff Hame JIES standard small commerical T aritt Currency GEF United Kingdom Pounds E Date Created 10 Jun 2010 i day Units kw Bills Made Monthly ll Optional Parameters Description pu EDF Energy Statement of Charges 37 03 10 2 Standing Charge c gt Time of Use Rates cY Capacity Charge c gt Demand Charg
20. Libraries 200 00 200 00 5 00 0 12 BLDG Manufacturing facility Educational Facilities Wood metal shop 750 00 750 00 10 00 0 18 BLDG Motel Hotels Motels Resorts Dormitories Bedroom living 250 00 250 00 5 00 0 06 BLDG Motion picture theater Public Assembly Spaces Auditorium seating area 50 00 50 00 5 00 0 06 BLDG Multi family Residential Dwelling unit 250 00 250 00 5 00 0 06 BLDG Museum Public Assembly Spaces Museums galleries 300 00 300 00 7 50 0 06 BLDG Office Office Buildings Office Space 275 00 275 00 5 00 0 06 BLDG Parking garage Unoccupied building zone e g stairs attic 0 00 0 00 0 00 0 00 BLDG Penitentiary Correctional Facilities Cell 250 00 250 00 5 00 0 12 BLDG Performing arts theater Public Assembly Spaces Auditorium seating area 50 00 50 00 5 00 0 06 BLDG Police Fire station Correctional Facilities Guard Stations 275 00 275 00 5 00 0 06 BLDG Post office Office Buildings Office Space 275 00 275 00 5 00 0 06 BLDG Religious building Public Assembly Spaces Places of religious worship 50 00 50 00 5 00 0 06 si Percentage increase in ventilation 0 00 x Figure 33 ASHRAE 62 1 Parameters Editor Air Exchange Building air exchanges include space ventilation rates amp air infiltration ACH ASHRAE 90 1 App G PRM Navigator Page 39 ASHRAE 90 1 App G PRM Navigator Outside Air Ventilation Rate simple As an alternative to the ASHRAE 62 1 calculations users can manually input the fresh air
21. Overall forth South East West low e double glazing B amp rmmetimmy 2002 regs low e double glazing B amp rim amp immy 2002 regs low e double glazing 8rmm 6mim 2002 regs low e double glazing Brnmertimmy 2002 regs low e double glazing Bmme amp mmy 2002 regs low e double glazing amp mmo amp mmj 2002 regs Hone Copyright e 2010 ineqraed Environmental Solutions Lined AN rights eeng Input U value S area weighted 0 35 0 25 0 25 20 80 80 20 20 1 98 1 98 0 84 0 84 0 76 0 76 Baseline Description C25 Ext Wall Mon Rles Steel Framed R 13 0 7 5 2 3 1 3 U 0 064 0 385 C25 Roof Mon Res Ins Above Deck R 20 3 5 U 0 048 0 273 C25 Floor Han Res Steel Joist R 30 0 5 3 U 0 038 0 214 Overall North South East West C25 Window Mon Res Metal framing all other U 0 5543 12 SHGC 0 40 25 Window Mon Res Metal framing all other U 0 554 3 12 SHGC 0 40 25 Window Mon Res Metal framing all other U 0 5543 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 554 3 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 5543 12 SHGC 0 40 C25 Window Mon Res Metal framing all other U 0 5543 12 SHGC 0 40 Hone Input U walue area weighted 0 36 027 0 42 0 42 0 76 0 76 A036 Model Input parameter MEP Other Lighting Co
22. Page 77 ASHRAE 90 1 App G PRM Navigator Set Parameters For Unmet Load Hour Temperature Tests section G3 1 2 2 of ASHRAE 90 1 2007 states Unmet load hours for the proposed design or baseline building designs shall not exceed 300 of the 8760 hours simulated and unmet load hours for the proposed design shall not exceed the number of unmet load hours for the baseline building design by more than 50 If unmet load hours in the proposed design exceed the unmet load hours in the baseline building by more than 50 simulated capacities in the baseline building shall be decreased incrementally and the building re simulated until the unmet load hours are within 50 of the unmet load hours of the proposed design If unmet load hours for the proposed design or baseline building design exceed 300 simulated capacities shall be increased incrementally and the building with unmet loads re simulated until unmet load hours are reduced to 300 or less Alternatively unmet load hours exceeding these limits may be accepted at the discretion of the rating authority provided that sufficient justification is given indicating that the accuracy of the simulation is not significantly compromised by these unmet loads The unmet load hours can be calculated in two different places in the VE 1 From the PRM navigator Unmet load hours report 2 From the Range test dialog in Vista using the heating amp cooling set points and the logical OR shared hour
23. SPACE CUSTOM 001 Zl SPACE CUSTOM 002 Zl SPACE CUSTOM 003 Lil SPACE CUSTOM 004 LB Not space 2 Create custom thermal templates in building template manager amp setup custom template data i e internal gains etc ASHRAE 90 1 App G PRM Navigator Page 27 ASHRAE 90 1 App G PRM Navigator pom L3 ILL o m m zu ia Building Template Manager as o Project Template File RSS DOSEN EE ENEE ERREIHE rn tiot ui Template Types Thermal Conditions ain Building Regulations SPACE Courthouse Police station Penitentiary are SPACE Courthouse Police station Penitentiary Room type Courthouse Police station Penitentiary Courthouse Police station Penitentiary NCM building type a CUSTOM 001 ne CUSTOM 002 Note D Rooms with this tem SPACE CUSTOM 003 unless overridden CUSTOM 004 NCM building type s Dining area b SPACE Dining area M SPACE Dining area Bar lounge Leisure dining SPACE Dining area Bar lounge Leisure dining o SPACE Dining area Family dining gt Wei P Thermal Conditions VF Import Templates P p Room heating and cooling plant 1 Add Template R internal gains and ventilation m HEINE rR R Pr Apache Profiles Database rR 1 3 Manually assign custom created thermals to custom created groups ASS 2 Assign Template Thermal Template e S BLDG Automotive facility Classroom Le
24. areas including vehicle sales lot D 5 WA Dutdoor Sales Street frontage for vehicle sales lots 20 wA SR Illuminated wall or surface 0 2 w ft2 Building facades Illuminated wall or surface length 5 0 Wilf zs W per location ATMs and night depositories es W per additional ATM per location Non Tradable Surfaces Entrances and gatehouses inspection sections at guarded facilities Uncovered area 1 25 w ft2 Loading areas for law enforcements fire ambulance and other Uncovered arei 05 w ft2 emergency vehicles Drive through windows at fast food restaurants 400 w per drive through 400 ww Parking near 24 hour retail entrances 800 W per main entry 800 vw Tradable Surfaces Non Tradable Si ONNEEN Totals Baseline total 0 000 W Baseline Total 0 000 W Bfseline total 0 000 W Proposed total 0 000 W Proposed Total 0 000 Ww Pilbposed total 0 000 Ww The proposed total value will be applied to the internal gain ALL Exterior Lighting and will be assigned to the last Boom in the proposed model The baseline total value will be applied to the internal gain ALL Baseline Exterior Lighting and will be assigned to te last room in the baseline For the baseline total 5 has been added as per ASHRAE 90 1 Ch 9 Sec 9 4 5 EN Figure 36 Options Exterior Lighting Baseline and Proposed Inputs and Calculations Exterior lighting rules Entering data For each line if Baseline gt 0 then Proposed must also be gt
25. etc for each zone as seen by the actual system at the time of sizing The following is an example of one system section and one zone section of from this report Note that presently this system ASHRAE 90 1 App G PRM Navigator Page 94 ASHRAE 90 1 App G PRM Navigator Fa sizing report can be generated and displayed only via one of the two workflow navigators named above As of VE 6 4 this will also be generated by a sizing run initiated from within ApacheHVAC and accessed directly from the Vista Results viewer A SYSTEM SIZING plant loads Equipment Name Equipment Type Area served ft Peak Load kBtu h Time of Peak BR000011 T admins 10776 0 205 0 Sized during heating Loop Const speed pump Furnace for PSZ units BROO0034 AFUE rather than stedy state 3590 1512 sized during heating eff Equipment Name Equipment Type Area served ft Peak Load kBtu h Time of Peak EWC Chiller with default CRO0DO0001 values and V SD secd pump 7184 0 CU DU 7518 30 2 5p clg tower fan A SYSTEM SIZING system loads ASHRAE 90 1 App G PRM Navigator Page 95 ASHRAE 90 1 App G PRM Navigator System ID System Name Area Served ft PROF 034 3592 0 AHU Cooling Coil AHU Cooling Coil AHU Cooling Coil AHU Heating Coil Sensible Load Latent Load Total Load Total Load kBtu h kBtu h kBtu h kBtu h Peak value 70 0 0 0 70 0 51 6 EEN ES TM sized during Time of Peak 7 1516 30 7 1516 30 7 1516 30 heating AHU Supply Fan AH
26. or greater capacity until this is automated in the software users must replace the COP values in the Heat Pump component dialog with the appropriate set from Appendix B HVAC Systems Modeling Guidance Specific to ANSI ASHRAE IESNA Standard 90 1 2007 in the ApacheHVAC User Guide There are just three capacity ranges for PSZ HP heating mode COPs in ASHRAE 90 1 2007 e Tip Select just the multiplex layers with Heat Pump components that have an autosized capacity value on the 10th row at 47 F in a capacity range lesser or greater than 65 135 kBtu h but not both and while in Global Edit mode revise the ten COP values simultaneously for all of these If there are Heat Pumps with autosized capacity in a yet another ASHRAE capacity range change the multiplex layer selection to include just these layers and repeat the global edit of COP values 16 For detailed information on baseline HVAC modelling requirements please refer to ASHRAE 90 1 section 6 amp Appendix G Note For cases where the Proposed SHW amp heating plant are served by the same boiler system the automatic report generator will not match the vista fuel code results as certain vista energy results are post proceeded in order to separate the SHW amp heating fossil fuel loads ASHRAE 90 1 App G PRM Navigator Page 74 ASHRAE 90 1 App G PRM Navigator 12 Simulations RH Applications UM Navigators ASHRAE 90 1 App G PRM 7 va ep Lj IH D Preliminary Data Set
27. overall PRM workflow analysis process The VE Gaia PRM Navigator is a tool which brings all of the individual VE Pro modules and features together in a single area and presents the user with step by step smart navigation and management of the PRM workflow and analysis process The Navigator is driven through the successful execution of specific actions and commands which are activated by the user in a defined sequence This smart navigation leads the user through the process of basic geometry creation to constructions thermal data assignment and ultimately to the automatic generation of a full set of PRM compliant results which are presented in a format similar to the LEED EAc1 Letter Template The Navigator also provides the user with predefined prototypical ASHRAE data which can be used to populate the model with default baseline information The main structure of the PRM Navigator workflow includes Preliminary Data setup Envelope T hermo Physical Properties Room Zone Thermal Template Data HVAC systems Other Input Data Generate Baseline Sizing runs Simulations Results eu OI The ASHRAE 90 1 App G PRM Navigator functions as a series of hyperlinks that are accessed within the smart navigator tree structure that is located on the upper left side of the interface The hyperlinks take the user to the relevant VE Pro module and dialog box to complete the tasks associated with that topic Note that the user can increase t
28. power 3900 cfm 3244 cfm Fan power Economiser control Dy Bulb Dy Bulb Demand control ventilation Hone Mone Unitary equip cooling efficiency Hane Mone Unitary equip heating efficiency None Hane Chiller EWC 5 1 EWC 5 1 Chilled water loop and pump 22 wigpm 22 wigpm Boiler Fossil Fuel Gas Fossil Fuel Ges 0 8 Hot water loop and pump Cooling tower 2 Speed 42 54 kW 2 Speed 32 29 kW Condenser water loop and pump 19w gpm 19w gpm Copyright 2010 integrated Environmental Solutions Limifed All rights resenved Table 1 5 Energy Type Summary 1 5 Energy Type Summary Energy Type Utility rate Units of units Proposed baseline design description Energy af demand Electricity State generic eirid kBtu MBH 385 State generic eirid kBtu MBH Copyright 2010 integrated Environmental Solutions Limifed All rights reserved Table 1 6 On Site Renewable Energy 1 6 On Site Renewable Energy Renewable Source Back up Annual Energy Rated Renewable Energy Type Generated k Btu Capacity MBH Energy Cost 5 Photovoltaic Panels Electricity 0 00 0 00 0 00 Wind Power Electricity 0 00 882 43 0 00 Combined Heat and Power Electricity 0 00 1 71 0 00 Solar Water Heating Electricity 0 00 0 00 0 00 Copyright 2010 integrated Environmental Solutions Linked All rights resened ASHRAE 90 1 App G PRM Navigator Page 88 ASHRAE 90 1 App G PRM Navigator fos Table 1 7 Exceptional Calculation Methods N 1 7 Exceptional Calc
29. project Room Zone Thermal Template Data 4 Room conditions Setpoints plus schedules and receptacle loads e Consistent with the sorting of spaces in the model into the appropriate groups with the 90 1 space by space methods Grouping Scheme revise the heating and cooling Setpoints in a select subset of the Space by space thermal templates to match those of the thermal templates previously set up for the proposed design Note that in both the proposed and the baseline thermal templates the setpoints entered here should be the design heating and cooling set points that will be used for system sizing and which the heating and cooling proportional control bands will straddle e Consistent with the same sorting of spaces in the model revise the schedules profiles other than daylight dimming for all internal gains in the baseline profiles to match those of the corresponding templates used in the proposed design e Consistent with the same sorting of spaces in the model revise the Receptacle Equipment computers etc loads to be the same in the baseline as proposed except when a difference between these is to be documented as an energy efficiency measure e These templates will need to be manually assigned to the Baseline model after it is generated see below ASHRAE 90 1 App G PRM Navigator Page 103 Appendix A Using the PRM Navigator with a substantially completed model o Exterior Lighting Complete this step The exterior
30. type are the same as those listed in ASHRAE 90 1 2007 Baseline Total To develop the exterior lighting power allowance the user needs to input the appropriate values for the project in the Area Length etc column The value input here will be multiplied by the unit value for that end use to determine the Baseline Subtotal W At the bottom of the dialog box under totals the sum of the Baseline Subtotals is reported in the Baseline Total cell Note the note express that the baseline total has an additional 5 added as per the requirements within ASHRAE 90 1 Ch 9 Sec 9 4 5 Note when entering values in the Area Length etc column pay close attention to the units for each end use line item They vary from per location to per linear foot to per square foot Note when entering values in the cells double click on the cell to select the overall number in blue otherwise your entry value will be before the number that is already there For example if the default value is 0 00 and the user is trying to enter 10 if the user only selects the cell once versus twice and inputs 10 then the value that will appear in the cell is 100 Proposed Total Once the baseline Subtotals have been determined the appropriate Proposed Subtotals can be entered in the last column for each line item In addition to the Proposed Total being calculated under the Totals area the Tradable Surfaces and Non Tradable Surfac
31. zones are served by 100 transfer air or not If Y is selected that zone will not have any system supply air but will be served by transfer air only ASHRAE 90 1 App G PRM Navigator Page 38 ASHRAE 90 1 App G PRM Navigator e Zone Air Distribution Provides the parameters for each line item influencing the system design and ventilation calculations The values can be manually edited within this tab The Mandated Supply Air Flow column should be edited if a zone must receive a specific number of air changes e g hospitals laboratories etc The Min SA Flow columns should be edited for VAV spaces Min SA can be specified in terms of of max or cfm sf If values are input in both columns the larger of the two will be used The values for Ez should be input as per 62 1 Table 6 2 and are based on your system design Note that the baseline model will always use 0 4 cfm sf for the VAV turndown and Ez values of 1 0 for cooling and 0 8 for heating as required by 90 1 Note If the user has not yet applied the ASHRAE Prototype Data using the Prototype Data ASHRAE Baseline hyperlink then the ASHRAE 62 1 Parameters Editor will not appear Note If the user has not yet applied zoning to the model using the hyperlink Room Zone Group Assignment then when the show active space types check box is selected all the inputs will disappear fs Ashrae 62 1 Parameters Editor Show active space types Occupancy a
32. 0 i e can t take credit for unlit surfaces If Baseline gt 0 and Proposed 0 then pop up a warning message applies to both tradable amp non tradable Likewise if Proposed gt 0 and Baseline 0 user will receive a warning message For each line of tradable surfaces it is permissible for Baseline Proposed or Proposed Baseline as long as they are both non zero values For each line of non tradable surfaces it is permissible for Proposed Baseline However if Proposed entry Baseline then Baseline value is adjusted to be equal to Proposed entry Calculating subtotals For tradable surfaces it is permissible for Baseline Proposed or Proposed Baseline as long as they are both non zero values For non tradable surfaces it is permissible for Proposed Baseline However baseline cannot be greater than proposed this should not occur if rules above are followed ASHRAE 90 1 App G PRM Navigator Page 42 ASHRAE 90 1 App G PRM Navigator La Calculating grand total Baseline grand total 1 05 baseline tradable baseline non tradable Note 596 has been added to the total as per ASHRAE 90 1 Ch 9 Sec 9 4 5 Proposed grand total proposed tradable proposed non tradable If Proposed grand total gt Baseline grand total then proposed exterior lighting design is non compliant Elevators Elevator end usage energy can be assigned to the baseline amp proposed model in one of two ways using a pe
33. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 118 3 005 0 05 Totals 0 0 0 0 118 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 118 3 0 05 0 05 TOTAL ELECTRICITY 54 141 2 kWh 25 138 kWh tyr gross ares TOTAL FOSSIL FUELS 118 3 MBtu 0 054 MBtu Ba gross area Motes Energy is reported hourly to all end use categories This repart lists delivered or site energy energy summated across the building boundary or metering point This table details the utility breakdown for each of the end use categories associated with the PRM analysis and includes electricity fossil fuels and any renewables The report also displays the total energy associated with electricity and fossil fuels ASHRAE 90 1 App G PRM Navigator Page 90 ASHRAE 90 1 App G PRM Navigator Building Energy Performance Table Building Energy Performance ENVIRONMENTAL La SOLUTION S LTD 16 Jun 2010 Simulated 16 Jun 2010 at 10 30 Weather file ChicagoMidway TM Y bat Fans Service Service Interior e Internal Exterior Space Space Heat Fans Parking Water Water Receptacle Lighting Data Centre Elevators Space Total Total Di Lighting Lighting Heating Cooling Pumps Rejection Interior Garage Heating Heating Equipment Process Refrigeration Equipment Escalators Heating Cooking Cooking Total kBtu ft kBtu fi MBtu MBtu MEtu MEBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu MBtu Mt gross net Electricity 17 2 87 3 0 0 20 6 1 3 6 4 15 8 0 0 0 0 0
34. 0 32 2 0 0 0 0 0 0 0 0 0 0 0 0 DD 184 7 85 81 85 84 Fossil E 0 0 0 0 118 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 DD 118 3 54 01 54 01 Totals 17 2 87 3 118 3 20 8 1 3 8 4 19 8 0 0 0 0 0 0 32 2 0 0 0 0 0 0 0 0 0 0 0 0 DD 307 0 Total Site 138 82 139 82 energy TOTAL SITE ENERGY 301 00 MBtu 139 8 kBtu Hyr grass area Motes Energy is reported hourly to all end use categories This report lists delivered or site energy energy summated across the building boundary or metering point This table details an energy breakdown for each of the end use categories associated with the PRM analysis The report also displays the total site energy calculated ASHRAE 90 1 App G PRM Navigator Page 91 ASHRAE 90 1 App G PRM Navigator Building Energy amp End Use Summary Table Electricity Building Energy amp End Use Summary ENVIRONMENTAL Le SOLUTIONS LTD 16 Jun 2010 Report for All Electric Meters simulated 16 Jun 2010 at 10 30 Weather file ChicagoMidwayTM Y fut Fans Service Interior Month Category meng teen rd Pumps x eeh Parking Water od Lighting Refrigeration pes unii rmi um ada Cooking Total gung 3 3 3 i Garage Heating SES Process 3 January kWh 410 5 2 647 1 1 6 3 5 1 4 278 1 0 0 0 0 799 8 0 0 0 0 0 0 0 0 0 0 0 0 4 112 0 Max kW 1 5 5 1 0 1 0 1 0 1 1 4 0 0 0 0 23 0 0 0 0 0 0 0 0 0 0 0 0 10 2 31 29 Si Day Hour 1 08 30 1 00 30 02 30 06 20 31 08 30 12 30 1 00 30 1700 30 1 08 30 1 00 30 1 00 30 1
35. 00 30 17 00 30 1 00 301 00 30 26 0830 Fesk end i xS l i i SES 1 5 5 2 0 0 0 0 0 0 0 5 0 0 0 0 23 0 0 0 0 WY 0 0 0 0 0 0 Peak PCT 15 3 50 7 0 0 0 1 0 0 5 3 0 0 0 0 z8 8 0 0 0 0 0 0 0 0 0 0 0 0 February kWh KR 2 177 6 0 9 25 0 8 264 0 0 0 0 0 723 3 0 0 0 0 0 0 0 0 0 0 0 0 3 554 8 Max kW 1 5 5 1 0 1 0 1 0 1 1 0 0 0 0 29 0 0 0 0 0 0 0 0 0 0 0 0 10 4 J D 20 2 4 d T 25 i d D d r d oa r d r d E d si d d D j A d D 4 D Dey Hour 1 08 30 1 00 30 07 30 Dean 20 U07 30 14 30 1 00 30 37 U00 30 1 08 30 1 00 30 1 00 30 1 00 30 1 00 30 1 00 30 1700 30 3 08 30 Peak end l i is 1 5 5 2 0 0 0 0 0 5 0 0 0 0 23 0 0 0 0 WY 0 0 0 0 0 0 Peak PCT 15 4 51 0 0 0 0 1 0 0 47 0 0 0 0 25 8 0 0 0 0 0 0 0 0 0 0 0 0 March kWh 4398 5 2 145 8 10 3 29 B4 258 0 0 0 0 0 24 0 0 0 0 0 0 0 0 0 0 0 0 0 3 730 0 Max kW 1 5 5 1 1 0 0 1 0 9 3 2 0 0 0 0 2 9 0 0 0 0 0 0 0 0 0 0 0 0 9 5 25 18 18 Day Hour 1 08 30 1 00 30 12 30 15 30 zb 13 30 15 30 1 00 30 1700 30 1 08 30 1 00 30 1 00 30 1 00 30 1 00 30 1 00 30 1 00 30 418 141530 Al ke Gs TE 15 0 0 0 9 0 1 0 8 a2 0 0 0 0 29 0 0 0 0 0 0 0 0 0 0 0 0 Pesk PCT 16 2 0 0 DA 1 4 Be 33 8 0 0 0 0 20 4 0 0 0 0 0 0 0 0 0 0 0 0 April kWh 421 5 1 500 4 103 4 13 9 80 5 3Br 8 0 0 0 0 790 5 0 0 0 0 0 0 0 0 0 0 0 0 3 678 0 Max kW 1 5 5 1 2 6 0 3 1 1 4 1 0 0 0 0 29 0 0 0 0 0 0 0 0 0 0 0 0 17 6 18 167 18 Day Hour 1 08 30 1700 30 18 3 18 30 1 13 30 18 20 1 00 30 31 00 30 1 08 30 1 00 30 1 00 30
36. 30 Ext Drybulb Temp 760 29 Ext Wetbulb Temp 53 88 Room Drybulb Temp TA TA Room RH 26 Engineering Checks Cooling Air changes per hour 8 1 Gutt 0 8 Btu h ft 222 96 OA 18 5 Environmental conditions Rm Heating Ext Drybulb Temp 3 20 Ext Wetbulb Temp 1 04 Room Drybulb Temp 67 11 Room RH z Engineering Checks Heating Air changes per hour 4 3 cmt 0 7 Btu h ft 19 2 OA 23 3 Environmental conditions Peak Heating Coil Heating Coil ID HCO0027988 Date Time Ext Drybulb Temp F Ext Wetbulb Tempi F Ext RH Entering db Temp F Leaving db Temp F Sized during heating 3 2 1 0 50 0 53 0 95 0 Heating Coil ID HCO0027988 Date Time Ext Drybulb Temp F Ext Wetbulb Temp F Ext RH Entering db Temp F Leaving db Temp F Sized during heating 3 2 1 0 50 0 53 0 95 0 ASHRAE 90 1 App G PRM Navigator Page 97 ASHRAE 90 1 App G PRM Navigator La Note that for non standard systems and equipment certain plant items may not show up in the oystem Sizing reports above as they are not dealt with in the same manner as other more standard equipment For example if an Indirect Direct Evaporative Cooling system is used in the proposed design the cooling section of this actually consists of a couple spray chambers a heat exchanger a bypass damper or two and controllers for the target leaving conditions As there are many ways to set this up size the components and control the coolin
37. A Integrated Environmental Solutions Limited d CX Y 8 Was g KYS A A Mes ETE iM ae 7 TEF 4 TITLE FTAS 4 v T3 ri P SS cdi g VE Gala ASHRAE 90 1 App G PRM Navigator Virtual Environment ASHRAE 90 1 App G PRM Navigator Contents 1 VE Gaia PRM Navigator Introduction E 5 2 VE Gaia PRM Navigator What makes it different seeeseeseeeeeeeeeereeenneenn 9 3 VE Gaia ASHRAE 90 1 App G PRM Navigator Giruchure ENEE 5 4 WE Pro Modules to utilize with PRM Navigator iussissscxieisiskrxiieionpk iere edad eec 6 SEN nie cce SUE 8 varese Aere m PP O 9 olte Location debe Mi TERRENCE 9 Prototype Data ASHRAE Baselllie a sceciauasree eue te tu tee rate Pa ee tbe Edu Sea S tea SE sete ivre en eeP Eas Erud s idus 12 Fossil Fuel Tvpe H 19 Update Gent eegne Re e 13 mle late GC E E Ep mmm m 15 TN E 19 Jgle ON EE 18 olte ODSTUCHONS amp SNANG CEDE EE T TET TETTE ei eee ee ee eee a eee eee T 22 MEUD n MERE RE ETT 22 Set Selected Zones to Obstructions eeeesssssssssssessseeeeeeenn nennen nennen nnns 22 EES 29 moneat rotam cie NE EE 23 sl Et e oe Beer E le E EE mm 29 6 Envelope Ihermo Physical EEGEN ege enden 30 ASHRAE Baseline Constructions nennen nennen nennen nnn nnns 31 Proposed Building Ee i mie E DO T TET 33 eaa ee Me EE 33 EE EE T euer 33 eb uc ecri el EE
38. AE 90 1 App G PRM Navigator i Import Prototype System aseline 01 PTAC aseline 02 PTHP aseline 03 P5Z AC aseline 04 PSZ HP aseline 05 Pkg VAVr DX HW aseline 06 Pkg VAV PFPb DX ER RM Baseline 07 VAVr Chlr HW aseline 08 VAV PFPb Chlr ER 09 Furnace heat amp vent 07 YAY Reheat EWC chiller HW boiler e aseline 10 ER coil heat amp vent aseline 11 DOAS FCU aseline 12 Prkg gar Fan Di p pa pag o D D D D D VAV reheat chilled water via EWC chiller hot water boiler 3 F e Cc heat amp reheat OA economizer SAT reset optional energy Duplicate plant equipment Heating Cooling Import Placement wb recover y lenum transfer path an The above image is the Import prototype system dialogue This dialogue can be re activated by clicking the Import prototype type system button in the main ApHVAC tool bar If re activate this dialogue multiple system loops can be imported in the ADHVAC work space see below image with two system 7 loops imported ASHRAE 90 1 App G PRM Navigator Page 48 ASHRAE 90 1 App G PRM Navigator Se lt E gt ApHVAC 6405 RC4 HYAC System untitled File Edit View Tools ApHVAC Components Controllers Help wO OF ME XE NW EE don EE Nec d ur 2 Applcatons amp navigators DGRateangwzugpnm8p eenHzcat DAUER EECHER 1 60 V 2 ECKE EECH Preliminary Data Setup a d Envelope Thermo physical Properties Display Layer xz Ed
39. ASON ROOT a ZNO O E 68 EK COICUISITOTIS E ena Nae pees teense ein ter ores Mee are tne ore One DU S DU 68 update TE e COISINA Dala EE 69 SEI 70 Reien PNE TUNES 70 Kelt 72 Virtual Environment design simulate innovate ASHRAE 90 1 App G PRM Navigator mI We E NE E T Nome 72 Be EE 72 Bes e E 12 e e Idea 5 Proposed Model Gmulaton nennen nennen nnne nnne nnne nnne nna nnn 75 0 Baseline Model DERI GLO EE 75 EUR Eu IV 76 35 e EE 76 E Re EE 77 oet Parameters For Unmet Load Hour Temperature Tests 78 El RE TNT ee em en em ee em eee ree Te EN 81 KR Ce een ee re a ee ee ee ee eee eee 81 Brice Geiger Weis e EE 81 Cost Savings Summary e Table T9 2 D EE 82 Energy Savings Summary EE ei 82 Baseline Costs Table 1 9 Ke EE 83 Baseline Energy Table 9 83 SEI ie 0 EMI UU TM 84 Detailed Simulation e Li CN 90 PODO OO RT T T IIT 90 BE e 93 EXSEnne DU acne nan E EE E imme ed MEME EINE FEE 93 Bio gt ela Po 0 ger Lem 93 Baseline 2470 93 AOMHPRAE TEEN 94 R I ere M icio 0 E 94 Virtual Environment design simulate innovate ASHRAE 90 1 App G PRM Navigator 1 VE Gaia PRM Navigator Introduction VE Gaia z Step by step analysis workflows VE Gaia s complete workflow environment is driven by step by step smart navigation that opens wide the power of IES analysis A series of Navigators guide users through a range of tasks from advanced modelling to energy carbon analysis to LEED and Green S
40. App G PRM Navigator Page 11 ASHRAE 90 1 App G PRM Navigator Once the location is selected the climate file which provides the input data for the hourly energy 8 760 hours is determined The VE actually runs the energy analysis on 6 minute time steps as a default versus hourly so that the influence of thermal mass can be accounted for within the design Prototype Data ASHRAE Baseline This command imports an ASHRAE 90 1 baseline data set which can then be used as a starting point for any PRM project This is the most critical step in the PRM navigator as it essential gathers all the pre created PRM information so that the navigator can function in its intended fashion When the command is activated the software automatically imports a range of default ASHRAE data in a fully functional VE format this information has been taken from 90 1 ASHRAE 90 1 amp the ASHRAE 90 1 user guide This allows a user to define the building based on the building type for early stage analysis or space type for more detailed analysis e ASHRAE 90 1 Thermal Templates Building Area Method or Space by Space Method For the Building Area Method default data is derived from o ASHRAE 90 1 Internal Gains Occupancy Lighting Equipment e e For the Space by Space Method default data is derived from o ASHRAE 90 1 Lighting power densities o ASHRAE 62 1 Occupancy densities o Title 24 ACM Equipment power densities e Both methods use o ASHRAE 90 1 Profil
41. E features and that this included the implementation of ASHRE 62 1 ventilation rates if appropriate via the spreadsheet Given this it is assumed that all system sizing has been completed and there are associated Loads Data spreadsheets that have already been generated for each system in the proposed asp file 8 9 Make backup copies of both the proposed HVAC system file and the associated Loads Data spreadsheets Use Edit Current Baseline to open the baseline prototype systems file choose and copy as needed the appropriate baseline system types delete unneeded systems 10 While the Baseline asp system is open complete the assignment of spaces in the model to layers in the multiplex using the Assign from Room Group as was very likely done previously for the proposed design AHU Parameters This step will create Loads Data spreadsheets for each of the baseline systems in the Baseline asp file and provides the opportunity to set any variance from default values for basic parameters For example if the ASHRAE requirement for the baseline system outside air economizer high limit is 75 set this up to 75 from 70 for all systems to which it applies Revise the AHU cooling coil LAT values so as to be 20 F below the space design cooling setpoint 12 Again it is assumed here that the proposed system has previously been set up scheduled sized and tested If this was completed using the System Prototypes amp Sizing navigator
42. PD Baseline value and multiplying it by 100 the lighting reduction Subsequent entries into the reduction field will reduce the current proposed value by that percentage If you desire to test alternate reductions compared to the baseline then reset the proposed LPDs in the top section to match the Baseline press OK and then reopen the dialog and enter a new reduction ASHRAE 90 1 App G PRM Navigator Page 37 Please enter lighting reduction value Far each space type V Show active space types LPD Proposed W Ft SPACE Office Enclosed M Please enter lighting reduction value 16 10 Reduction oe Figure 32 Reduce Lighting Power Dialog Custom Inputs ASHRAE 62 1 Parameters The hyperlink opens the ASHRAE 62 1 Parameters Editor figure below which is composed of three tabs and shows all Building and Space options available In the upper left hand corner the user has the ability to select the check box for show active space types to isolate just those utilized within the model The three tabs include Occupancy and Ventilation provides the parameters for each line item that serve as the inputs into the ventilation calculations for the model The user may select an alternate 62 1 occupancy category for each thermal template if they desire by picking from the drop down menu The Default Occupancy column is not editable this is the default occupancy level as p
43. RM is based on a comparison of total cost of the proposed and baseline buildings PRM documentation ASHRAE 90 1 Appendix G2 4 Energy Rates Annual energy cost shall be determined using either actual rates for purchased energy or state average energy prices Tariff Analysis tool would allow the user to create advance tariffs that replicate the actual rates or to create simple tariffs to input the state average energy price Overview This is the main window of the tariff Analysis From this window users can select the tariffs selected import the aps file from Vista and run the analysis This window will also display the final cost for each utility for the tariff that has been analysed Tariff Analysis Overview BETA Fa Fie Energy Sources Tariff Data C Simple Flat rate Ce Advance Variable rate nergy consumption data Energy dataset option Proposed results dataset ENSCH Testing Kieransb3 msz Wistasb3 msz aps Browse Location London Heathrow Comparison results dataset Browse Lost data Currency GEF United Kingdom Pounds E Import tariffs data Cost Analysis Tariff Description Tariff Units Cost of Proposed Cost of Baseline Electricity Electricity Domestic e Domestic Unrestricted Tariff M E kWh pasa 0 Das Gas Commercial Gu e Commercial Standard Tariff A E kWh Mos Ir Oil Oil Commercial Gup Y Commercial Standard T ariff v E OOP Coal Coal Commercial S4 Commercial Stand
44. U 0 038 0 214 Window to gross wall ratio Overall 24 Overall 24 Window area distribution Geier pes pene 28 20 18 3396 panne SE are 26 20 16 3396 Fenestration U value Morth Fenestration U Value Morth Fenestration U Value non North Fenestration U Value non North Fenestration SHG North Fenestration SHG North Fenestration SHG non North Fenestration SHGC non Morth Fenestration visual light transmittance M Fenestration visual light transmittance M Fenestration visual light transmittance Fenestration visual light transmittance Shading devices ASHRAE 90 1 App G PRM Navigator Type 1 Single dear float glazing Salarban 80 SHGC 0 38 LL Ze Type 1 Single clear float glazing Salarban 80 SHGGC 0 38 U D 27 Type 1 Single clear float glazing Salarban 80 SHGC 0 38 LOD Ze Type 1 Single clear flaat glazing Salarban 60 SHGC 0 38 LD Ze Type 1 Single clear float glazing Salarban 8 amp 0 SHGC 0 38 LD Ze Type 1 Single clear float glazing Solarban 60 SHGC 0 38 LO Ze 3 98 1 50 3 98 1 50 0 85 0 30 0 85 0 30 0 00 0 81 0 00 0 81 Czb Window Man Res Metal framing all other U 0 554 3 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 554 3 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 55 3 12 SHGC 0 40 C25 Window Man Res Metal framing all other U 0 554
45. U Return Fan Optional Min Vent Airflow Flow cfm Flow cfm Exhaust Fan cfm Flow cfm Peak Value 1874 1 948 1 200 0 144 2 Time of Peak 7H515 30 7H515 30 CIEN E heating Engineering Cooling Checks Heating Checks z Checks cfmift Btu h ft OA cfmift Btu heft OA en Peak Value 0 5 18 5 T r 03 42 71 11 5 I Calculated at time of Peak Cooling sized during Calculated at time of Peak Heating eee PARGA Coil Load heating Coil Load Components Airflows Cooling Coil Cooling Coil Cooling Coil Heating Coil Zonerecirc Maximum Minimum Exhaust OA Flow Sensible Latent Load Total Load Total Load Fan Flow Flow cfm Flow cfm Flow cfm cfm Load kBtu h kBtu h kBtu h kBtu h cfm 01 Interior 6 70 417 4 3339 0 0 151 7 01 East 11 70 530 3 158 1 0 0 87 4 01 North AU 271 6 108 7 0 0 65 5 01 South 12 00 DA 2202 0 0 109 2 01 West 11 20 484 4 145 3 0 0 87 4 1 Services 0 00 200 0 200 0 200 0 0 0 Je SYSTEM SIZING loads room data summaries ASHRAE 90 1 App G PRM Navigator Page 96 ASHRAE 90 1 App G PRM Navigator Room input data Geometry Floor area ft 578 0 Volume ft 5184 0 Ext wall area ft 447 8 Int wall area ft 87 0 Ext window area ft 238 2 Int window area ft 0 0 Skylight area ft 0 0 Room Data Lighting load Witt 0 8 Power load wt 1 0 Number of people 3 8 Area person ft 151 8 Sens gain pers 252 58 Latent gain person 202 13 Heating s
46. a substantially completed model Using the PRM Navigator when starting with a completed model and HVAC system file for the proposed design rather than starting within the navigator Thermal modeling considerations The following assumes that the model already had complete geometry proper U effective values in ground contact constructions infiltration rates solar shading calcs daylight sensor data and formula profiles assigned if daylighting controls are included detailed internal gains and schedules defined thermal templates assigned possible modifications to Room Data etc and therefore it would not be appropriate to remove all custom thermal templates and re assign the 90 1 space by space thermal templates okip over steps not listed below unless these have not been completed with respect to the proposed design model as an independent project Preliminary data set up 1 Use the Prototype Data ASHRAE Baseline link in the navigator to acquire required grouping schemes thermal templates and other needed data 2 Manually complete the Room Zone Group Assignment step sorting the spaces in the model into the appropriate groups with the 90 1 space by space methods Grouping Scheme Envelope Thermo physical Properties 3 Use the ASHRAE Baseline Constructions link in the navigator to acquire required constructions associated with the ASHRAE Climate Zone that is automatically determined by the set location and weather file for the
47. active space types LPD Proposed Wim 11 8403 11 8403 e 11 8403 SPACE CUSTOM 004 11 8403 Please enter lighting reduction value 2 10 10 Reduction o Note Baseline lighting equipment amp occupancy data should be added to the custom made templates as per ASHRAE 90 1 2007 requirements Solar Shading Calculation Clicking this hyperlink automatically opens the SunCast module and performs solar shading calculations Solar shading calculations are performed hour by hour for the 15 day of each month of the year These results will be fed into the Apache Dynamic Thermal Simulation as a simulation link x Figure 25 Suncast Solar Shading Calculations status dialog box ASHRAE 90 1 App G PRM Navigator Page 29 ASHRAE 90 1 App G PRM Navigator 6 Envelope Thermo Physical Properties 5 Navigators ASHRAE 90 1 App G PRM a uj Ee GPrelimnaryDataSetup LE Envelope Thermo physical Properties L ASHRAE Baseline Constructions DE Proposed Building Constructions Improve Baseline UE Custom Construction Type DIE Surface assignment Above ground F1 Ground contact j rj O Room Zone Thermal Template Data L t HVAC Systems L D Other Input Data L Generate Baseline L Sizing Runs L Simulations L D Cost L Results 1 Figure 26 Envelope Thermo Physical Properties Sub categories and Tasks This navigator category
48. ad by a simplified method in Apache Systems within the Apache Thermal view While Apache Systems is appropriate for early schematic design and for compliance with certain standards more detailed ApacheHVAC systems should be used for comparative analysis of design and control strategies supporting design decisions and documenting projected energy performance and must be used for the ASHRAE 90 1 Performance Rating Method If there are unconditioned spaces in the building they should have the HVAC System selection on the System tab in the associated room thermal template or Room Data set to None As such if they are not assigned to an ApacheHVAC system they will not be conditioned ASHRAE 90 1 App G PRM Navigator Page 45 ASHRAE 90 1 App G PRM Navigator While rooms or zones can be individually added to new layers in the multiplexed HVAC network for all but very small projects with few rooms it is far more efficient to assign the rooms zones from room groups o do so click once anywhere in the multiplexed region dashed green line to select it and then click the Edit Multiplex button The Assign from room group button allows entire groups of rooms to be assigned to the selected ApacheHVAC network This will automatically add more layers as needed however if subsequently assigning rooms from additional groups be aware that the last layer on the list of Layer and Principle Rooms must first be selected and this layer will be assigned to the
49. ago Illinois 99 6 DA 96 ASHRAE Loads provides the heating and cooling loads for the building and rooms using the amp SHRAE Heat Balance Method For each analyzed zone the Heat Balance Method calculates the conductive convective and radiative heat balance for each rom surface and a heat balance for the room air The Heat Balance Method directly salves these equations and reports the results of each calculation amp s 1860 It also allows for a great deal of customization of the simulation inputs A detailed description of the Heat Balance Method can be found in the 2005 ASHRAE Fundamentals Handbook Contains information relating to the project area and volume input data for the sizing calculations and design weather data ASHRAE 90 1 App G PRM Navigator Page 70 ASHRAE 90 1 App G PRM Navigator System Sizing Plant Loads A SYSTEM SIZING plant loads Equipment Name Equipment Type Area served ft Peak Load kBtu h Time of Peak 2 Man Condensing Boilers BR O0023 sequenced Primary Laop 2152 8 84 2 Sized during heating Variable spd pump Equipment Name Equipment Type Area served ft Peak Load kBtu h Time of Peak EWC Chiller with default CRO000001 values and VSD sec d pump 2152 8 130 2 8 1515 30 2 sp clo tower fan Contains information relating to the overall performance of the heating and cooling systems e g the system type the floor area served and peak load occurrence System S
50. ak demand approach or based on an annual kWh rating The number of lifts must be entered in the dialogue box provided and should be the same for both baseline and proposed models The default ASHRAE 90 1 user guide elevator profiles may be used to control this output by selecting the elevator profile for your appropriate building type In order for the elevator energy to be assigned to the model there must be at least one zone assigned to the elevator grouping scheme Elevators Total Number of Elevators Baseline value Proposed Value Units 2 mm Energy Consumption per Elevator SH C Annual Peak ALL External lighting Sun Y ALL External lighting Sun v SR Figure 37 Options Elevators Inputs Dialog Box Service Hot Water Each thermal template must be assigned a hot water consumption quantity in l h max as per the proposed design The hot water consumption is directly linked to default ASHRAE 90 1 user guide services hot water profiles however hot water consumption can also be linked to template occupancy profiles by selecting the link to space occupancy profile from the Consumption Pattern drop down box DHW plant setup is performed during the baseline HVAC system setup The assignment of SHW demand can also be approached by assigning a single SHW demand to a single room with a standalone profile this needs to be done via the query button amp pre b
51. ao PBOUG ON oe certet Rete ees aes Maud acs ance eM MEME MEME IM 35 col ye Ku Te 95 7 Room Zone Thermal Template Data nennen nennen 35 D E S O ai E D TEENS 36 Iaea e ui EINE OIL mt 36 miele E TEE 36 gz 00 36 Eaa a e EE 36 lt Virtual Environment gt design simulate innovate ASHRAE 90 1 App G PRM Navigator P einig muc Bacci c o IIT OOo 38 PN esie MT m M mm 39 Outside Air Ventilation Rate simple ss Ae ravi del e D GA Uc Rr ee 40 Injlrsu s mc 40 Other End RR EEN 41 eie o E e ga EE 41 zo UIUU Y E 43 oes lee 43 ELDER ET tmm 45 Set up Room Grouping for HVAC Assignment E 45 EN S E EE 46 aee ao SIG A E E E E E A E E E CUNG A FCD 47 EOC rca Ea UNI EE EEE EEE E T 47 EE 50 ITOBOSO 3S SIG E 91 Improve Upon mis ci Ur 51 Edit Current Propose 51 EE eu I EE 52 AHU System Parameters 2 lt c c ccccsseceeeseecseeeensceseescesencsereseseessceeeescunescceeceseeeesscnercoesescserenss 52 Room conditons SCP DOINIS EE 52 SEE e dig eU E Om 54 Renewable Energy Systems coenae tdm dene ie eee eee eee eee eee eee SEES 54 SOT MUS US NEN D Dem AEA AAAA 56 JRiigare Prenota 56 ea a NONO M M 56 mec Mut jus e 63 10 Genere BaS e EE 64 Generate the Baseline ele EE 64 TI SNo RUNS mS 67 POO EO tk ee O EE EE EAEE EE 67
52. ard T arf E MT OP Miscellaneous Electricity Domestic Domestic Unrestricted Tariff E Kwh EE Henewable Electricity Supplier 7 Sell price for excess electricity Erk h booo Tooo Toag E6646 f ZZ Improvement Ir Generate Report Save OF Cancel Users are presented with two tariff options 1 Simple flat rate ASHRAE 90 1 App G PRM Navigator Page 56 ASHRAE 90 1 App G PRM Navigator 2 Advanced variable rate Creating an Advance variable rate Custom Tariff 1 In the main tool bar select the Energy source tab amp select Utility Supplier users can add custom Utility supplier information for all Utilities Tar tf Analysis Overview Ed EN Fil Energy Sources Tariff Data Utility suppliers Site supply Tole cj Ce Advance Variable rate Location Loridon H eathrow Energy consumption data Energy dataset option D Proposed results dataset Je esi esi testing kieransb3 ms2 VIsta 53 mse aps Browse Comparison results dataset E SCSI CS TestingsKieran b3 mzz vista53 msz aps Browse r Cost data ra Utility energy suppliers Bisi Es D ss Supplier Name Code Electricity Domestic Su 010 Zip Post Code Utility SWIA 144 Electricity m Gas Commercial Suppli 030 Cardiff CF8 SLK Gas ss Dil Commercial Supplie 040 Belfast BT1 5GF Dil es Coal Commercial Suppl 050 Edinburgh EH 0HG Coal UD a D do UV Ofdwide DE
53. aseline generation ASHRAE 90 1 App G PRM Navigator Page 43 ASHRAE 90 1 App G PRM Navigator Figure 38 Building Template Manager Hot Water Consumption input ASHRAE 90 1 App G PRM Navigator Page 44 ASHRAE 90 1 App G PRM Navigator fes 8 HVAC Systems Rb Applications i Navigators ASHRAE 90 1 Ap n R ma Preliminary Data Setup L Envelope Thermo physical Properties L a Room Zone Thermal Template Data H AC Systems Assign Rooms System Schedules Baseline System Edit Current Baseline System Parameters LJLJLJL7 LED LL C3 Proposed System Improve Upon Baseline Edit Current Proposed Or Custom System System Parameters LJLJEJLE O OOOO OO OO LEE E ER Room conditions SekpainEs Other Input Data Generate Baseline Sizing Runs Simulations Cost Results LU EJ EJ EJ EJ EJ EJ H ge cn co d co Figure 39 HVAC Systems Sub categories and Tasks This navigator category consists of a number of sub categories and tasks designed to guide users through the process of setting up the baseline amp proposed HVAC systems Set up Room Grouping for HVAC Assignment Once a predefined system or systems has been loaded or a custom system created in ApacheHVAC all conditioned rooms HVAC zones supply plenums if any and return plenums if any must be assigned to the HVAC network If not they will be conditioned inste
54. cess is driven by clicking on the Selection Wizard and following the necessary steps ASHRAE 90 1 App G PRM Navigator Page 9 ASHRAE 90 1 App G PRM Navigator J IES Virtual Environment APLocate IFAW 201001 Purgeiesve ribs File Options Help Location amp Ste Data Design Weather Data Location and weather data sean waa N Location Data Location Chicago Illinois Latitude 42 00 Longitude 87 88 wW Altitude ft 623 4 Time zone hours ahead of GMT 5 Daylight saving time Time adjustment hours From fil Through October Adjustment for other months Ground reflectance 0 20 Temaintype Suburbs Wind exposure CIBSE Heating Loads Normal Figure 4 Location Selection There are four tabs associated with this dialog box e Location amp Site Data there are two options for selecting Selection Wizard or Set Location Only the climate file associated with the project ASHRAE 90 1 App G PRM Navigator Page 10 ASHRAE 90 1 App G PRM Navigator Location amp Weather Data Wizard Page 3 of 4 j Acquisition of design weather ASHRAE design weather database v4 0 C 2010 American Society of Heating Refrigerating and Air Conditioning Engineers inc www ashrae org Used by permission ASHRAE weather dataset Select 9 Option 1 ASHRAE Fundamentals Design Weather data v3 0 for PRM Option 2 statistical calculation based on ASHRAE WDVIEW 4 data Cooling Loads weath
55. compare how their design stacks up to the 90 1 requirements bin 1 All five models proposed design 4 baseline models required for the PRM live in one file versus having to maintain the data across five different model files Input Data Once and Manage Edits effectively The manner in which inputs are handled allows the user to input the data within the model which influences the inputs in all five models Creating the Baseline Models The required baseline models are generated from the proposed design filtered through the requirements of ASHRAE 90 1 Appendix G at the stage in the process the user chooses to develop them The user has two choices 3 VE Gaia ASHRAE 90 1 App G PRM Navigator Structure The main objectives of the VE Gaia PRM Performance Rating Method Navigator are to 1 Manage the overall process including inputs edits and cycles of the PRM ASHRAE 90 1 Appendix G 2 Provide industry recognized defaults and input selection options ASHRAE standards data as the basis to assist the process ASHRAE 90 1 App G PRM Navigator Page 5 ASHRAE 90 1 App G PRM Navigator A range of individual software modules and features are available within the VE Pro suite which can be used to construct a detailed PRM model The user needs to manually switch between modules and know at which point in the process a specific feature needs to be used In summary it can be difficult to understand how each module and feature fits into the
56. consists of a number of sub categories and tasks designed to take users through the process of assigning ASHRAE baseline amp proposed building envelope information Essentially users are prompted to follow three main steps 1 set baseline construction requirements 2 create proposed model constructions 3 Assign proposed model constructions for both above amp below ground surfaces ASHRAE 90 1 App G PRM Navigator Page 30 ASHRAE 90 1 App G PRM Navigator ASHRAE Baseline Constructions otep 1 The user must first select the Building Type residential Non residential or semi heated otep 2 Subsequently both Opaque amp Fenestration construction category types must then be selected from the provided drop down boxes By pushing the ok button pre defined construction materials will then be imported into the ApCdb construction data base manager with default values corresponding to the relevant ASHRAE Climate Zone requirements Baseline construction type selector xi Building type Opaque External walls Steel Framed Y Roofs Insulation Entirely above Deck Doors Swinging Y Floors Steel Joist D Floors slab on grade Unheated Y Fenestration Vertical glazing Metal Framing all other M Skylights Skylight without curb All Cancel Figure 27 Baseline Construction Type Selector Dialog Box Note If a US climate zone location has been selected back in the site location amp cl
57. cture Training Classroom Lecture Training Penitentiary Classroom Lecture Training Penitentiary Conference Meeting Multipurpose Conference Meeting Multipurpose Convention center Exhibit space Convention center Exhibit space Corridor Transition Corridor Transition Corridor Transition Hospital Corridor Transition Hospital Corridor Transition Manufacturing facility Corridor Transition Manufacturing facility Courthouse Police station Penitentiary Confine Courthouse Police station Penitentiary Confine Courthouse Police station Penitentiary Courtror Courthouse Police station Penitentiary Courtro Courthouse Police station Penitentiary Judges imp q ASHRAE 62 1 Parameters Air Exchange Other End Uses HVAC Systems amp Other Input Data 9 Generate Baseline Sizing Runs Simulations Results y D E D DE 2 gaa Oh 301 Space by space method IP DI JI SPACE Manufacturing Low bay 25 ft Floor E LIB SPACE Museum General exhibition LIE SPACE Museum Restoration Lll SPACE Office Enclosed LIB sPACE Office Open plan LB SPACE Parking garage Garage area JIM sPACE Post office Sorting area LIB SPACE Religious buildings Fellowship hall JIB SPACE Religious buildings Workship pulpit LE sPACE Restrooms LIB sPACE Retail Mall concourse LIB sPACE Reta
58. cupant lift evacuation simulation Plug in Se ModellT VE Compliance geomet VE model ry England and vemm Section S EPC A ucsPro Pro UK Dwelings VEMValue o VE Costs Wenig design MM layout Part F Part L BER af SE CostPlan LifeCycle FlucsDL RadiancelES R ireland capital cost life cycle po ben amen lighting Figure 1 The Four Levels of the VE and VE Pro Modules ASHRAE 90 1 App G PRM Navigator Page 7 ASHRAE 90 1 App G PRM Navigator 5 Preliminary Data Setup 2 Applications i Navigators ASHRAE 90 1 App G PRM va j iH Preliminary Data Setup LI Workflow concept UI Site Location and Climate DE Prototype Data ASHRAE Baseline j I Fossil Fuel Type j iE Update profile working week order j C Building Geometry C3 Settings Lacks J E Grid DE Inner volumes j lE Adjacency separation distance 70 Input Options Zoning instructions UE Manually Extrude Roams Zone UE Import DAF amp Manually Extrude DIE Import GBAML Revit ArchiCAD etc EI Model Settings D E C Site Obstructions and Shading Input Options Manually Extrude Rooms Zone UE Import DAF amp Manually Extrude 708 Import GBAML Revit ArchiCAD etc UE Set selected zones to obstructions 7OF Building Orientation j E Room Zane Group Assignment 70 Solar shading calculations j Fl amp Envelope Thermo physical Properti
59. d IES Gas suppliers 099 worldwide 45677 Gas Delete Cancel Click the in the left dialogue allows custom utility energy suppliers to be added to the project 2 The site energy supply information must then complete this can be found in the Energy source tab in the main tariff tool bar Te ur man gt LIT Su wg Waat Hle Energy Sources Tariff Ohta Utility suppliers Site supply Tole Advance Variable rate Location London Heathrow Energy consumption data Energy dataset option r Froposed results dataset ees csi kestingskieran 6a msz ViskaX53 mse aps Browse Comparison results dataset Browse r nst data ASHRAE 90 1 App G PRM Navigator Page 57 ASHRAE 90 1 App G PRM Navigator fi Site energy supply BI Site sis Glasgow Address ES Ltd Helis Building Company IES Led 0O Scotland Science Fark Seem Non Domestic Glasgow G20 SP UK Mas Agreed EVA 120 ZipvPostCode G2005P Default Power Factor KE Prop Ma IN Supplied Voltage 30 Substation Glasgow Use Peak From Profile v Site Maximum Power Demand 2 Ka eg 3 Tariff data must now be created for all required utilities clicking the Tariff data tab in the main tool bar will allow users created the required tariffs IETTIESUPLLEUISRLAE IE Tariff Data Electricity File Energy Source Analysis type C Simple Fla re e Variable rate Location London H eathrow
60. d MBH 0 00 Demand MBH 0 00 0 0 D Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Other Processes Yes Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 Total Annual Energy Use kBtu year 301 004 50 301 844 21 0 2 Total Process Energy kBtu year 32 198 44 32 198 44 0 0 Copyright 2010 integrated Environmental Solutions Limited All rights reserved Table 1 8 1 b the baseline costs table is presented F F l in 1 8 1 b Baseline Energy Costs Energy Type Baseline Baseline Baseline Baseline Baseline 0 rotation 90 rotation 180 rotation 270 rotation Building Performance Electricity SB0 122 14 S80 227 84 80 408 02 SPEO 232 17 SOU 24r 54 Gas 371 039 59 11 018 28 10 827 40 11 004 49 10 928 84 30 00 30 00 30 00 0 00 30 00 30 00 30 00 30 00 30 00 30 00 0 00 50 00 50 00 50 00 50 00 30 00 30 00 30 00 30 00 30 00 50 00 50 00 30 00 30 00 30 00 30 00 30 00 30 00 0 00 30 00 50 00 50 00 50 00 50 00 50 00 30 00 30 00 30 00 0 00 30 00 0 00 0 00 30 00 0 00 30 00 30 00 30 00 30 00 30 00 30 00 Total Baseline Costs 71 161 73 71 244 12 71 335 42 71 256 65 871 244 48 Copyright 2010 integrated Environmental Solutions Limied AN rights resened Baseline Energy Table 1 8 1 Table 1 8 1 the baseline energy table is presented ASHRAE 90 1 App G PRM Navigator Page 83 ASHRAE 90 1 App G PRM Navigator N 1 8 1 Baseline Performance End Use Proce Baseline Units of Annual Baseline Baseline Baseline Baseline
61. d based as per ASHRAE 90 1 section G3 1 3 5 ASHRAE 90 1 App G PRM Navigator Page 72 ASHRAE 90 1 App G PRM Navigator 4 oet chiller plant minimum efficiency as per tables 6 8 1A to 6 8 1F The baseline system efficiency is dependent on the cooling plant load users should use the baseline sizing calculations to determine the required efficiency oet number amp type screw or centrifugal of baseline chillers for systems 7 amp 8 as per ASHRAE 90 1 table G3 1 3 7 Select chilled water reset as per ASHRAE 90 1 G3 1 3 9 ruling oet chilled water baseline pump type i e Variable speed or constant speed based as per ASHRAE 90 1 section G3 1 3 10 oet baseline heat rejection requirements as per ASHRAE 90 1 G3 1 3 11 system 7 amp 8 only oet baseline condenser heat recovery if required as per ASHRAE 90 1 section 6 5 6 2 1 10 Users are required to manually set the SHW plant efficiency as per section 7 of ASHRAE 90 1 The boiler tab in ADHVAC contains a prototype SHW system that should be used for the baseline SHW Users will need to tick the Use for DHW amp open the heat source amp set the required baseline efficiency 11 Airside economizers need to be engaged for each system air handler as required by ASHRAE 90 1 G3 1 2 6 via the AHU Parameters dialog prior to system autosizing 12 Exhaust air energy recovery needs to be engaged and appropriate recovery effectiveness set for each system air handler a
62. dy set up properly you will need to open the most recent HVAC system backup file and Save As proposed asp before proceeding further This simply resets proposed asp back to the fully custom built version ASHRAE 90 1 App G PRM Navigator Page 108
63. e Update fan and coil sizing data step in the navigator Instead e Manually copy the revised efficiency values after system sizing from the Fan Curve Details for S2 table as highlighted in the example above to the corresponding S2 fan components in each of the four baseline systems 0 90 180 and 270 Note that this cannot properly be done prior to system sizing as the calculation of these values depends upon the flow rates determined in the sizing which determine the motor efficiency at design flow as selected automatically by the spreadsheet from a table of ASHRAE values for this parameter 30 In VE 6 2 1 or newer versions Update fan and coil sizing data will copy the revised fan efficiency values from the spreadsheets to the baseline systems Again these are calculated using a combination of values form the System Loads sizing run the value for A that you calculated and entered and values for motor efficiency at the design autosized flow rate from a lookup table that related motor size and efficiency per ASHRAE 90 1 ASHRAE 90 1 App G PRM Navigator Page 107 Appendix A Using the PRM Navigator with a substantially completed model 31 Having completed the step above you should now have ready to use baseline systems You may want to review the System Sizing Reports at this time 32 As the fan data in the proposed asp system file will have been altered by the above which you probably didn t require if this was alrea
64. e image shows the manual assignment of the 0818 operation profiles to the AHU 01 08 00 18 00 OPERATION HVAC grouping scheme This process should be repeated for all HVAC groups with alternative HVAC operating schedules Note This step is critical to the Unmet load hours check to operate correctly ASHRAE 90 1 App G PRM Navigator Page 53 ASHRAE 90 1 App G PRM Navigator 9 Other Input Data amp Preliminary Data Setup D Envelope Thermo physical Properties D Room Zone Thermal Template Data D HVAC Systems Other Input Data Renewable Energy Systems Utility Tariffs D Generate Baseline D Sizing Runs D Simulations D Results EJ EJ EJ DD L3 E3 Bh Applications GA Navigators ASHRAE 90 1 App G PRM A ij 1H D Preliminary Data Setup LJ D Envelope Thermo physical Properties D Room Zone Thermal Template Data D HVAC Systems Other Input Data Renewable Energy Systems Define tariffs data Electricity Gas Ol Coal Taxes discount Wd LJ LJ O L2 E uw ow o om on LJ LJ EJ EJ EJ HOGG lt 2 Generate Baseline C Sizing Runs Simulations E Cost Results LJ LJ O O E Figure 40 Other Input Data Tasks Renewable Energy Systems There are three types of renewable systems available PVS Generator Wind Power CHP Generator See Apache Sim User Guide for more information on renewables ASHRAE 90 1 App G PRM Navigator Page 54 ASHRAE 90 1 App G PRM Navigato
65. egree baseline there will be no need to repeat the steps above d lt E gt ModellT C Projects Test stuff prm DSF prm DSF mit Axonometric Model m Je x He v Browser Ctrl Shift B E a v Status Bar Ctrl Shift 5 LL ls CD Site Viewports Build x Roor Y Select Object a colour D 4 Envi Model d v Real i TT pRMBaseline Room Zone Thermal Template Data L 2 HVAC Systems Baseline System Edit Current Baseline Assign AHU System Parameters Proposed System Improve Upon Baseline Edit Current Proposed l l AI dis 0 pr x 888 2 Rooms DI Q9 ROOM Q9 ROOM o kel e ROOM Q9 ROOM Q9 ROOM a v amp NNNNN amp m SE E Fe H ASHRAE 90 1 App G PRM Navigator Page 66 ASHRAE 90 1 App G PRM Navigator 11 Sizing Runs ER Applications Bd Navigators ASHRAE 90 1 App G PRM ia 1j T Preliminary Data Setup D Envelope Thermo physical Properties D Room Zone Thermal Template Data c HVAC Systems D Other Input Data Generate Baseline Sizing Runs Room Load Calculations 3 m m e e e Sizing reports CE Simulations CB Cost Results Figure 42 Sizing Runs Sub categories and Tasks JEE OOO O EZ Room Load Calculations This navigator step automatically opens up the ApacheLoads dialog with default information applied The user can ed
66. ence Seating area Ll SPACE Audience Seating area Con L JB SPACE Audience Seating area Exer LII SPACE Audience Seating area Gy LE sPACE Audience Seating area Moti L JE SPACE Audience Seating area Peni D ELDG Hotel LE sPACE audience Seating area Perf CIE Se Library LIE SPACE Audience Seating area Relic CR BLDG Manufacturing Facility OM SPACE Audience Seating area Spor E ete Motel Lll SPACE Audience Seating area Trar CIE BLDG Motion picture theater OM SPACE Automotive Service Repair CIR oe muti Family IT EI SPACE Bank Office Banking activity LIB BLDG Museum Ll Bios office COE BLDG Parking garage _ BLD Penitentiary TE BLDG Performing arts theater L JE Bis Police Fire station 1E BLDG Post office Ll BLDG Religious building L Bg BL Retail O ene School University OE BLDG Sports arena ASHRAE 90 1 App G PRM Navigator ogg SPACE Classroom Lecture Training LIB SPACE Classroom Lecture Training om SPACE Conference Meeting Multipu LIB SPACE Convention center Exhibit sr COE SPACE Corridor Transition Ll SPACE Corridor Transition Hospital L JB SPACE Corridor Transition Manufac TI SPACE Courthouse Police station Pe LI SPACE Courthouse Police station Pe L JB SPACE Courthouse Police station Pe L JB SPACE Dining area rmm 1 Page 23 ASHRAE 90 1 App G PRM Navigator It is advisable to also group rooms in terms of which AHU the
67. er percentiles are Monthly Percertile annual for Heating Loads weather X 996 v Percentile for Cooling Loads weather x ii D 04 Figure 5 1 Location Selection Wizard Important Note As the ASHRE 90 1 2007 and 2010 Appendix G PRM Section G3 1 2 2 1 Sizing Runs requires 1 Cooling Design conditions but the newer ASHRAE Design Weather Database 4 0 does not include 1 data all PRM users need to tick the box next to v3 0 for PRM in the Acquisition of design weather section page 3 of 4 in the ApLocate Location amp Weather Data Wizard Then set the Percentile for Cooling Loads to 1 prior to clicking Acquire design weather e Design Weather Data provides feedback on the climate selected and the ability to review and customize key parameters of the climate selected This data will be used for the Sizing Runs e Simulation Weather Data Reports the weather file that ApacheSim will be utilizing for simulation runs The file is selected based on the choices within Location amp Site Data Selection Wizard however the user can also change the selection within this tab to browse and select a different weather file This data will be used for the annual thermal energy simulations e Simulation Calendar provides the ability to select and customize a holiday template days considered to be holidays which could trigger different building operation setting based on the country and other parameters ASHRAE 90 1
68. er the ASHRAE 62 1 standard for each occupancy category The Design Occupancy column can be edited if your proposed building has a different occupancy Note that any previous edits to occupancy under the Internal Heat Gains will be reflected here Edits here will also be reflected in the Internal Heat Gains People window Values for Ra and Hp are derived based on 62 1 Table 6 1 o Percentage increase in ventilation on the lower right side of the dialog box the user can enter a custom value 1 100926 for the percentage increase in ventilation After inputting a value and hitting ok the percentage increase input is applied to all the line items included on this tab This may be useful if the project is attempting to achieve LEED EQ Credit 2 Exhaust Requirements provides the parameters for each line item that serve as the inputs into the ventilation calculations for the model The user may select an alternate exhaust rate category if they desire by picking from the drop down menu This will update the exhaust flow rates accordingly as per 62 1 Table 6 4 Edits may be applied to the exhaust per unit column if this is how they are specified in Standard 62 1 restrooms residential kitchens Customized exhaust flow rates may be specified by selecting User specified exhaust rate as the exhaust rate category and editing one field to specify the rate in terms of cfm sf ACH or exhaust per unit of units A user may also specify whether exhausted
69. es occupancy etc If data changes post baseline generation do not affect space loads i e exterior lighting users must still re do the following navigator steps Assign room sizing data amp update fan amp coil sizing data ASHRAE 90 1 App G PRM Navigator Page 64 ASHRAE 90 1 App G PRM Navigator La lt E gt BPRM ECSISCSI TestingsKieranMs 28 Beta 6Ms 28 Beta 6 mit Axonometric Model File Edit View Tools Help Applications VE Gaia workflows Ej wk e a ege Q k o b QU d Buildng Bsseine gt Baseline GG iv v GG 7 7 7 7 7 Generate Baseline Generate the baseline model a Sizing Runs Room Load Calculations a ai r t Sizing reports Simulations Results Y gga Rooms G Model E Q 111 amp 222 amp 333 amp 444 Automatically create the 0 deg baseline model Automatically assigns the correct glazing percentage and baseline constructions Location Belmullet Peninsula ASHRAE Climate Zone derived a Start 2 apps A VE BPRM E CSI d Once the baseline models have been generated users can toggle between the Proposed amp Baseline geometry See above Special Baseline Geometry Edits It might be necessary to make custom geometry edits to the baseline model due to the ASHRAE 90 1 modeling rules For example if the proposed model has a double skin facade it is required that the baseline model excludes this buildi
70. es totals for both the Baseline and Proposed are calculated as well to provide another reference point to consider Please Note the two notes at the bottom of the dialog box describing where the proposed total value and the baseline total value goes e Proposed Total is applied to the internal gain ALL Exterior Lighting and is assigned to the last room in the proposed model e Baseline Total is applied to the internal gain ALL Baseline Exterior Lighting and is assigned to the last room in the baseline model Exterior lighting is controlled using a default formula profile that simulates a photo cell switch See ASHRAE 90 1 Section 9 for further exterior light details The highlighted portions of the figure below show which columns the user would input values within and the location where the totals are reported ASHRAE 90 1 App G PRM Navigator Page 41 ASHRAE 90 1 App G PRM Navigator Exterior Lighting Please enter the area or length For each external end use to calculate the total exterior lighting load Surface Type Category Area Length etc WBaseline Subtotal ba Mroposed Subtotal Uncovered Parking Areas Parking lots and drives 0 15 w ft2 Walkways less than 10ft wide 1 0 wl Walkways 10ft wide or greater 0 2 w ft2 Plaza areas 0 2 w ft2 Tradable Surfaces Special feature areas 0 2 w ft2 Building Grounds Canopies and verhangs Canopies free standing attached and 125 w ft2 overhangs Open
71. es LI amp Room Zone Thermal Template Data L E HVAC Systems LI amp Other Input Data LI D Generate Baseline LI D Sizing Runs L D Simulations L Cost L D Results L Figure 2 Preliminary Data Setup Sub Categories and Tasks A few things to note that are consistent across all the sub tasks for each of the nine main category areas with the navigator ASHRAE 90 1 App G PRM Navigator Page 8 ASHRAE 90 1 App G PRM Navigator fes Workflow concept DIE Figure 3 Task Button Options Each task line will have up to three buttons shown to the right provides a link to help files directly related to that task line Notes icon when selected a notes field will appear below which allows the user to input specific notes related to that task for documentation purposes or to share with other team members Check box provides users the ability to select and check that task as complete This can be important for personal or team tracking on a large or complex project Workflow concept The hyperlink serves a help guide and takes the user to a more detailed description of the workflow concept for the navigator similar to the information contained within this document Site Location and Climate The hyperlink for this action opens the ApLocate sub program from which the user then specifies the global location of the building Lat gt Lon external design conditions and simulation weather file This pro
72. es Schedules from the User s manual o ASHRAE 62 1 Outdoor fresh air rates o ASHRAE 90 1 Envelope Fabric Data ASHRAE Climate Zone specific o ASHRAE 90 1 Baseline Systems 1 to 8 All of these defaults are editable to suit your actual project through subsequent steps of the navigator After the Navigator command has been activated the user must then select the 90 1 2007 IP folder and subsequently select the associated VE mit file ASHRAE 90 1 App G PRM Navigator Page 12 ASHRAE 90 1 App G PRM Navigator A System prototypes only A System prototypes plus File name model mit Prototype model Files mit Files of type Figure 6 Prototype Data Templates Fossil Fuel Type All miscellaneous fuel codes are assumed to be electricity except for e Space Heating e Service Water Heating e Cooking This command allows the user to select the appropriate fuel type per energy use which will be subsequently used in the automatic generation of PRM results reportage in the Results section of the Navigator This step is only important if these energy end uses are served by fossil fuels If they are served by electricity and assigned the appropriate fuel code this step is not necessary Fossil Fuel Type Space Heating Service Water Heating Cooking Figure 7 Fossil Fuel Type Dialog Box Update Profile Working Week Order The hyperlink takes the user to the Profile Weekly Pattern Editor which i
73. es c Cancel 5 Setting charges E Standing Charge c Time of Use Rates ft I ee I Tax amp Discount list Cancel Standing Charge Basis z Standing Charge KA 0 0325 Min Monthly Charge E Set basic standing amp Min Monthly charge as indicated above 6 Set time of use regimes detailed variable tariff information can be set here Standing Charge c gt Time of Use Rates c oe I ee bl I Tax amp Discount list Cancel ASHRAE 90 1 App G PRM Navigator Page 60 ASHRAE 90 1 App G PRM Navigator E Time of Use Rates x Time of Use Regimes IES billing summer months Add Remove Regime Mame iS biling summer months From April To Ef From January Ta December Standard Weekday Weekday Any Day Weekend Weekend M default M off peak M on peak on peak lv off peak v on peak 23 on or on 00 07 n0 23 Fo 0 To Humber of blacks L l Size Rate Size Rate Size Rate Size Rate Size Rate Size Rate kwh amp kwh kwh amp kwh kwh amp kwh kwh amp kwh kwh amp kwh kwh amp kwh Excess 0 01433 Excess 0 00 Excess 0 00 Excess 0 0536 Excess 0 00 Excess 0 00 0 0 0 0 0 0 0 0 0 0 emp emp emp emp emo em emp emp MORE DETAIL NEEDED 7 Set Tax discount information is required H Tariff Analysis Overview BETA
74. et point F 68 0 Cooling set point F 75 0 Max rel humidity 96 80 0 Min rel humidity 96 0 0 82 1 Occupancy Office Buildings Category Office Space 01 East Peak room cooling loads Btu h Exterior Conduction Gains Ext Walls Ext Glazing Skylights Conduction Root Graund Expased Floor Door Internal Conduction Gains Int Walls Int Glazing Ceiling Floor Door Solar Gains Infiltration Gains Other air exchange gains Internal Gains Lighting Equipment People Totals Sensible 105 311 2972 Sensible Sensible 1 572 1 985 11 558 Latent e ooo c B Latent eoo o dc Latent Peak room heating loads Btu h Exterior Conduction Gains Ext Walls Ext Glazing Skylights Conduction Roof Graund Expased Floor Door Internal Conduction Gains Int Walls Int Glazing Ceiling Floor Door Solar Gains Infiltration Gains Other air exchange gains Internal Gains Lighting Gains Equipment People Totals Sensible 2 208 5 923 Design Air Flows Cooling Air Flow cfm Min Air Flow cfm Heating Air Flow cfm Return Air Flowicfm Exhaust Air Flow cfm Ventilation Air Flow B2 1 Vazycim Heating Coil ID Sensible kBtu h Air Flow at Peak cfm Heating Coil ID Sensible kBtu hj Air Flow at Peak cfm 159 1 3r5 2 0 0 8T 4 HC002798 11 7 255 4 HC O002738 11 7 255 4 Environmental conditions Peak Rm Cooling Date Jul Time 09
75. first room zone in the group All rooms or zones should be organized in groups using an appropriate grouping scheme such as one group per air handler or similar prior to assigning rooms in ApacheHVAC System Schedules oet ApHVAC system operation schedules Indicate the occupied and unoccupied hours and the associated heating and cooling set points The morning start up and after hours operation are in relation to the occupied hours Select the appropriate control strategy for operation using setback temperatures during the unoccupied hours These settings will apply to all ApacheHVAC systems for this project that use the default control HVAC HP1 HP2 CP3 CP6 etc profiles referenced in the prototype baseline system controllers These inputs are important for the unmet load hour check as they essentially set the heating amp cooling system schedules set point temperatures ystem Schedules Edit Schedule amp setpoint Schedule and setpoint set to edit System HVAC profiles Y Opening Hours Open Close Active Mon Fri B00 16 00 Saturday Jos 00 17 00 E Sunday 10 09 16 00 Iv Holidays 11 00 15 00 Iv Setpoints amp HVAC Timing C Configure settings For each day type independently Use common settings for all day types Occ Hours Nt Unoce Cooling F 75 80 Heating F 69 60 HVAC Timing Hours Morning Startup Time Des After Hours Operation 0 5
76. g effect this does not lend itself to autosizing per se nor are there appropriate values to report as would otherwise be the case for a cooling coil or chiller For example in the case of capability for a spray chamber to achieve the maximum saturation performance of the selected unit e g 8496 effectiveness the normal configuration would allow the spray chamber to add as much water to the airstream as required to achieve this level of performance It is then up to the engineer to ensure that the actual selected unit can achieve this at the design cooling conditions including entering air conditions and flow rates ASHRAE 90 1 App G PRM Navigator Page 98 ASHRAE 90 1 App G PRM Navigator 1 4 Comparison of Proposed versus Baseline Design D c go E e gd O D a un o 1 e ben al D E a ke Model Input parameter Proposed Baseline Construction Description Input Description Input U value U value area weighted area weighted Exterior wall construction Lu 0 20 dii ad 0 50 C25 Ext Wall Man Res Exterior wall construction E ie i 0 26 FERA en 0 38 0 385 C25 Roof Man Res Ins Roof construction DESIGN Roof R 30 0 18 Above Deck R 20 3 5 0 27 U 0 048 0 273 Roof construction DESIGN Roof R 38 0 15 Ground contact floor Flaorislab construction DESIGN Floor F 0 052 0 06 ed rte idein 0 11 198478 3f C25 Floor Man Res Flaor silab construction Steel Joist R 30 0 5 3 0 21
77. gator Input Options Zoning instructions Zoning is of critical importance to the model Too many zones and the model becomes over complex too few and detail is lost Although the main focus should be on capturing core functional spaces e g offices in commercial buildings or living rooms bedrooms etc in residential buildings it is also necessary to capture the area volume of other miscellaneous ancillary spaces such as elevator shafts toilets stairs etc The single most important aspect to note in relation to these space types is that they do not have to be represented exactly and individually to effectively convey the energy consumption of the building In other words it is not necessary to model each and every space separately but instead zones can be outlined around each of these space types that capture all of a space type together The zoning thermal block requirements outlined in ASHRAE 90 1 Appendix G proposed model thermal zones and baseline model thermal zones to be the same should also be kept in mind when creating the building geometry The details presented should be followed closely in order to meet the requirements of the Performance Rating Method As outlined in the concept document it is helpful that defined zones are broken down as per the list of space types used in the prototype data Residential Bedroom Common circulation Lobby void Figure 15 Table of Room Names ASHRAE 90 1 App G PRM Navigat
78. he thickness of the walls will be defined later in the Apache Constructions Database The thickness of the wall is represented in the model by a grey line which Is offset into the room by the thickness of the wall Inner volumes are only suitable for use in models with relatively simple geometry Figure 12 Plan view of model separated into 4 inner volumes ASHRAE 90 1 App G PRM Navigator Page 16 ASHRAE 90 1 App G PRM Navigator Adjacency Separation Distance Model Settings Adjacency separation distance m 0 100 Vertical horizontal element transition angle TT Check Options C Intersection _ Constructions Zones Groups Surfaces Visibility Figure 13 Model Settings Dialog Box This command opens the model settings window Adjacency separation distance defines the maximum distance that two surfaces can be away from each other while still being recognized by the software as being adjacent For example the two rooms in the image below on the right are 0 1m meter apart so the software would recognize them as being adjacent Although in theory this is fine in complex models it can cause errors to occur It is recommended to always snap directly to the surface of the adjacent room as shown in figure below on the left This can be done easily by using the Model Endpoint Figure 14 Plan view example of room adjacencies ASHRAE 90 1 App G PRM Navigator Page 17 ASHRAE 90 1 App G PRM Navi
79. he size of this area by dragging downward on the border between the VE Gaia workflows area and the Hooms area 4 VE Pro Modules to utilize with PRM Navigator The following list of VE Pro modules are classified into two categories required and beneficial It is recommended that the user confirm which VE Pro modules they have licenses for so that they have the full capability of the PRM navigator available e Required o ModellT o Suncast ASHRAE 90 1 App G PRM Navigator Page 6 ASHRAE 90 1 App G PRM Navigator fos o ApacheSim o ApacheLoads o ApacheHVAC e Beneficial Based on what type of efficiency measures or HVAC system is being analyzed o FlucsPro LightPro Radiance o Macroflo Figure 1 provides an over of the Virtual Environment software platform The upper right portion of the diagram identifies the four tiers of the VE comprised of VE Ware VE Toolkits VE Gaia VE Pro For additional information on the four levels go to How and when should integrate performance analysis for sustainable design The lower portion of Figure 1 identifies the different modules that a part of VE Pro For additional information on the different modules please go to http Avww iesve com Software VE Pro l beier VE Mechanical ap en premere s e perpe IndusPro PiscesPro and gains calculation duct sizing pipe sizing ApacheSim ApacheHVAC NC MacroFlo ModeiBuilder buik airflow Simulex Lisi oc
80. heck the boxes for intersections and surfaces and click the check button A text file will be created which will flag up any error in your model geometry It is recommended to perform model check regularly throughout the model building process It is usually far easier to fix a geometry problem soon after it occurs rather than at the end Clicking the rebuild button refreshes all the adjacencies in the model ASHRAE 90 1 App G PRM Navigator Page 21 ASHRAE 90 1 App G PRM Navigator Site Obstructions amp Shading Input Options Manually Extrude Hooms Zones This command has no specific action and simply acts as a prompt giving the user the option of manually extruding zones from scratch If this is the desired option then the standard Modell T toolbar should be used to create zones by manually extruding in plan view When all required zones have been created the Navigator check box should be ticked confirming that the step has been completed Import DXF amp Manually Extrude This command opens the Import dxf dialog and allows the user to place a dxf as a trace layer within the Modell T workspace The user can then use the standard Modell T commands to manually extrude zone geometry using the dxf as a trace layer Import GBXML Revit ArchiCAD etc This command allows 3D GBXML geometry to be imported directly from another CAD package such as Revit or ArchiCAD Set Selected Zones to Obstructions All obstruction zones i e no
81. il Sales area LIE SPACE Sports arena Court sports area LIES SPACE Sports arena Indoor playing field are LIE SPACE Sports arena Ring sports area 4 Kent Il SPACE stairs Active STI TUN station Penitentiary Judges JIG SPACE Transportation Air Train Bus Bagg CUSTOM 002 O SPACE Transportation Airport Concourse CUSTOM 003 J sPACE Transportation Terminal Ticket cou CUSTOM 004 JI SPACE warehouse Fine material storage Dining area Dining area LB SPACE warehouse Medium Bulky material Dining area Bar lounge Leisure dining LIB sPACE workshop Dining area Bar lounge Leisure dining LIB sPACE void Plenum Dining area Family dining LIB space Elevators Equipment Dining area Family dining a space custom oot Dining area Hotel zc kal space custom 002 ram c l l pm v 4 Once the space classification is activated all thermals will be assigned as per there corresponding room group Once the internal gain Light step is activated all custom assigned templates should appear ASHRAE 90 1 App G PRM Navigator Page 28 ASHRAE 90 1 App G PRM Navigator Fa Reduce Lighting Power Note Second and subsequent reductions to proposed LPD values will be applied on top of any previous reductions Please enter lighting reduction value for each space type v Show
82. ilding Use Conditioned Un conditioned Total Occupancy type Area Area Area it r A Z HiLo HiLo HiLo SPACE Office Open plan 2 153 2153 Totals 2 152 8 0 0 2 152 8 Copyrkghi 2010 integrated Environmental Solutions UiniBed All rights resend Table 1 3 Advisory Messages a 1 3 Advisory Messages Advisory Messages Proposed Baseline Difference Building Building Number of hours heating laads not met to be manually assessed by user Number of hours cooling loads not met to be manually assessed by user Humber of warning messages a Number of enor messages Humber of defaults overridden 0 oO Copri 2010 integrated Environmental Solutions Lined AN rights resened ASHRAE 90 1 App G PRM Navigator Page 86 ASHRAE 90 1 App G PRM Navigator Table 1 4 Comparison of Proposed versus Baseline Design 1 4 Comparison of Proposed versus Baseline Design Model Input parameter Construction Exterior wall construction Roof construction Flocogielab construction Window to grass wall ratio Window area distribution Fenestration U Value Marth Fenestration U Value nan Morth Fenestration SHGC Morth Fenestration SHGC non North Fenestration visual light transmittance M Fenestration visual light transmittance Shading devices Proposed Description standard wall constuction 2002 regs flat roof 2002 regs standard floor construction 2002 regs
83. imate step the relevant ASHRAE 90 1 baseline construction will be automatically imported into the ApCdb construction data base manager Manual edits must be made to the baseline ground floor construction type in order to account for ground contact factor see below Project constructions 10 x File Edit view Settings Calculations Tools Help kl amp E IB QS 0X 9 Ud oe Opaque Constructions Glazed Constructions C Internal Ceilings Floors C Doors Intemal Partitions C Roofs Ground contact posed Floors C Extemal Walls U value Wick standard floor construction 2002 regs Generic Ground contact floor U F 1 48843 Floor ASHRAE 90 1 CZ5 Floor Non Res Steel Joist R 30 0 5 3 U 0 038 0 214 Generic ASHRAE 90 1 App G PRM Navigator Page 31 ASHRAE 90 1 App G PRM Navigator Project construction opaque X m Building Regulations 4 Standard Generic ID BSFLO31 Description CZ5 Floor Non Res Steel Joist R 30 0 5 3 U 0 038 0 214 Outside surface Thermal bridgi Emissivity 0 300 Resistance nFK Aw 0 0400 IV default Solar absorptance 0 700 coefficient W mK 0 035 v default Inside surface Emissivity 0 300 Resistance n KAw 0 1700 v default Solar absorptance 0 550 DESEM 0 503 Metal Cladding M Construction layers outside to inside Thickness Conductivity Density Sail 1 2981 1800 0 1250 0 Sands Stones and Soils Cav
84. it Mode E Layer information Room Zone Thermal Template Data n H AC Systems L Assign Rooms D System Schedules D Baseline System Edit Current Baseline D System Parameters D Edit Multiplex Oo 0go Proposed System Improve Upon Baseline Edit Current Proposed Or Custom System System Parameters LILI LI ys wd rw rd ra L2 D D D D E I r1 nma 07 YAY Reheat EWC chiller HW boiler 07 YAY Reheat EWC chiller HW boiler Room conditions Setpoints Other Input Data Generate Baseline Sizing Runs 77 Simulations 77 Cost Results T9 HVAC Network ND Components E Heating Coils Cooling Coils Supply Fan D Extract Fan i Spray Chamber BW Steam Humidifier Active Horizontal Duct E Active Vertical Duct Xj 4p Mixing Damper Set Room H Heat Recovery 2 D Controllers H ra Independent Time Switches 7 Independent Controllers with Sensors H A Independent Controllers with Differential Ser Dependent Time Switches 7 Dependent Controllers with Sensors Dependent Controllers with Differential Sens vi Location Boston Logan Intl Airport ASHRAE Climate Zone 5 1720 1166 d start e L3 apps L3 Proposed IK lt E gt ApHVAC 640
85. it the information relating to the proposed model The four baseline runs are generated automatically ASHRAE 90 1 App G PRM Navigator Page 67 ASHRAE 90 1 App G PRM Navigator ASHRAE Loads Results file for both htg and do files for Room loads Analysis type Manual Room and Apache System loads Heating Loads Cooling Loads Auxiliary ventilation air exchange Auxiliary ventilation air exchange Natural ventilation air exchange Natural ventilation air exchange SunCast link Indude local and when link ticked opposite SunCast sky shielding Time settings for profiles Default Design days and time settings for profiles Time hh mm e 12 o0 E Default Design days Maw to 5 Week day Monday esign days May September Month January Weekday Monday Simulation Heat Balance Method settings Simulation Options Simulation time step minutes Output Options Preconditioning days Autosizing Re zero autosized parameters Undo last autosize As with a normal ApacheLoads run this will generate information relating to room heating and cooling loads This information is then used to populate the default PRM sizing sheets located in the Loads Data folder of the project directory This will generate flowrate data for use in the proposed and baseline HVAC networks Assign Room Sizing Data This step automatically assigns the sizing data generated from the step above to the proposed and baseline HVAC networ
86. ity BATT INSULATION ASHRAE R 30 0 5 3 0 0563 12 0 837 4 Insulating Materials Metal Deck ASHRAE 150 0000 2800 0 896 0 Metals Concrete Lightweight ASHRAE 2 3076 1200 0 333 8 Concretes Carpet and pad amp SHRAE 01174 1360 8 1199 9 Carpets Copy Paste Cavity Insert Add Delete Flip System Materials Project Materials Construction thickness 0 7043 m U value w m K z i E 0 2130 Total R value 4 4855 KAW U value method EN iso D U value Win k Derived Parameters Condensation Analysis OK Cancel Ground contact U value adjustment X Apply adjustment od EN 150 13370 DI Floorplan parameters Level o m Characteristic dimension m 5 513 Override for U value calc Floor depth m 0 000 Override for U value calc Exposed floor perimeter m 44 778 Floor area m 123 434 Ground conductivity 1 500 Copy from layer data Floor resistance m K W 0 0000 Copy from layer data External wall thickness m oso Copy from layer data Edge insulation type Horizontal Edge insulation width rn 0 000 Edge insulation thickness m 0 000 Edge insulation conductivity ooo Cancel Save amp Exit The ground floor contact U value adjustment interface should be populated accordingly For further information refer to the Apache Cdb User Guide ASHRAE 90 1 App G PRM Navigator Page 32 ASHRAE 90 1 App G PRM Navigator Pro
87. ity Resistance ft Btu n h ft F Ip ft Btu lb F ft h E Btu FACE BRICK BKO4 0 3281 9 083 130 0 Use 0 0361 INSULATED STEEL STUD CAVITY OC 16 ASHRAE 0 0833 0 650 129 Vee 0 12027 FELT amp MEMBRANE FELT HF E3 0 0008 1 317 70 0 0 4 0 0006 CELLULAR POLYISOCYANURATE ASHRAE 0 1667 0 170 2 0 0 2 0 9804 BATT INSULATION ASHRAE 0 5000 0 845 2 0 0 2 0 5917 GYPSUM PLASTER BOARD HF E1 ASHRAE UPS SX E 50 0 m 0 0463 Inside Surface 0 680 Outside Surface Do TU Total Resistance 2 033 CIBSE Net U Value Btu h ft F 0 0449 EN ISO U Value Btu h ft F 0 0447 Outside surface absorptance 0 7000 Inside surface absorptance 0 5500 Inside Emissivity 0 9000 Outside Emissivity 0 9000 d ASHRAE 90 1 App G PRM Navigator Page 101 ASHRAE 90 1 App G PRM Navigator Fa Results L C BPRM Report User details 0 DataforTables1 3 and 1 4 j a Cost Savings Summary Table 1 8 2 b 3 a Energy Savings Summary Table 1 8 2 0 a Baseline Costs Table 1 8 1 b Baseline Energy Table1 81 a Full Report II Detailed Simulation Reports Proposed Baseline O Baseline 90 Baseline 180 j Baseline 270 2 ASHRAE 62 1 Proposed L Baseline 0 L Baseline 90 L Baseline 180 L Baseline 270 L Display Selected Reports j ASHRAE 90 1 App G PRM Navigator Page 102 Appendix A Using the PRM Navigator with
88. ivcsi testing kieranb3 mz VistaXb3 mez aps Comparison results dataset Browse gt a Ltt ci Currency GBP United Kingdom Pounds ET D Import tariffs data Cost Analysis e Also set currency type see above e Set Cost Analysis information assign custom tariff templates as previously created Tariff Analysis Overview BETA x File Energy Sources Tariff Data Analysis type C Simple Flat rate Advance Variable rate Location London Heathrow Energy consumption data Energy dataset option Proposed results dataset e esivesi testing kieran b3 ms Ista b3 mee aps Comparnson results dataset Browse Cost data Currency GBP United Kingdom Pounds E Impart tariffs data Cost Analysis Tariff Description Tariff Units Cost of Proposed Cost of Baseline Electricity Electricity Domestic Domestic Unrestricted T ariff v E kwh 225 47 Das Gas Commercial 5u Commercial Standard T ariff vw E kWh 440 99 Ll Dil Commercial Sup Commercial Standard T ariff M Erl io Coal Coal Commercial S1 e Commercial Standard T ariff m E MT B E Miscellaneous Electricity Domestic Domestic Unrestricted Tariff m E wh bU BUE Renewable Electricity Supplier Sell price for excess electricity A kWh foot Toa e666 TI 4 Improvement Generate Report Save UK Cancel ASHRAE 90 1 App G PRM Navigator Page 62 ASHRAE 90 1 App G PRM Navigator Cost Analysi
89. izing System Loads de SYSTEM SIZING system loads System Name System Type Area Served ft PROF 034 VAV with Reheat Office 2152 8 AHU Cooling Coil AHU Cooling Coil AHU Cooling Coil AHU Heating Coil Coil Sizes Sensible Load Latent Load Total Load Total Load kBtu h kBtu h kBtu h kBtu h Peak value 120 1 10 1 130 2 0 0 Time of Peak 8 1516 30 1516 30 8 1516 30 Fan Sizes AHU Supply Fan AHU Return Fan Optional Exhaust Min Vent Airflow Flow cfm Flow cfm Fan Flow cfm cfm Peak Value 5588 2 5589 2 0 0 191 6 Time of Peak 7 1516 30 7518 30 Engineering Cooling Checks Heating Checks Checks cfmift Btulh ft OA cfmitt Btu h ft OA Peak Value 2 6 60 5 3 5 0 0 39 11 0 0 Time of Peak 81516 20 Calculated eea a Cooling Calculated pea Heating Components Airflows Served by Cooling Coil Cooling Coil Cooling Coil Heating Coil Zone reci rc Maximum Minimum Exhaust Flow OA Flow System Sensible Latent Load Total Load Total Load Fan Flow Flow cfm Flow cfm cfm cfm Load kBtu h kKBtu h kBtu h kBtu h cfm Office 8 20 567 2 172 2 0 0 45 1 Office 17 60 1095 0 172 2 0 0 45 1 Office 20 30 1414 4 1722 0 0 45 1 Office 20 30 1392 3 1722 0 0 45 1 Office 17 80 1380 0 1722 0 0 45 1 Contains detailed information relating to performance of each individual system including sizing data relating to each individual room served by the system ASHRAE 90 1 App G PRM Navigator Page 71 ASHRAE 90 1 A
90. kBtu 6 427 01 Energy use kBtu 3 308 46 94 3 Hest Rejection No Electricity Demand MBH 4 28 Demand MBH 2 35 81 5 i Wi Energy use kBtu 19 758 38 Energy use kBtu 13 933 80 41 8 Fans Interior No Electricity Demand MBH 7 24 Demand MBH 10 01 72 3 I Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Fans Parking Garage No Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 f i Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Service Water Heating Fossil Fuel No Gas Demand MBH 0 00 Demand MBH 0 00 0 0 o Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Service Water Heating No Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 i Gas Energy use kBtu 32 198 44 Energy use kBtu 32 198 44 0 0 Receptacle Equipment Yes Electricity Demand MBH 9 92 Demand MBH 9 92 0 0 NY See Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Interior Lighting Process Yes Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Refrigeration Yes Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Data Centre Equipment Yes Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Cooking Fossil Fuel Yes Gas Demand MBH 0 00 Demand MBH 0 00 0 0 i 8 Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Cooking Yes Electricity Demand MBH 0 00 Demand MBH 0 00 0 0 m Energy use kBtu 0 00 Energy use kBtu 0 00 0 0 Elevators Escalators Yes Electricity Deman
91. ks System Load Calculations This navigator step opens up the ApacheLoads dialog again this time an ApacheHVAC network is assigned in order to enable a system sizing calculation This will provide information to size various system elements i e fan and coil data ASHRAE 90 1 App G PRM Navigator Page 68 ASHRAE 90 1 App G PRM Navigator ASHRAE Loads Results file for both bim and dn files for System loads Manual Heating Loads Auxiliary ventilation air exchange Natural ventilation air exchange Analysis type ApacheHVAC system loads Cooling Loads Auxiliary ventilation air exchange Natural ventilation air exchange SunCast link Include local and when link ticked opposite SunCast sky shielding Time settings for profiles Default Design days and time settings for profiles Time hh mm SES H 00 Default D E d VE Maat Week day Monday esign days May to September Month January Weekday Monday Simulation Heat Balance Method settings Update ApacheHVAC system sizes Required for plant equipment sizing Smulation tme step a minutes ioy Autosizing Re zero autosized parameters Undo last autosize As above the user can edit the information relating to the proposed model The four baseline runs are generated automatically Update Fan And Coil Sizing Data This step automatically assigns the sizing data generated from the step above to the proposed and baseline HVAC networks ASHRAE
92. l System Level ApHVAC Fan Curve Inputs 1 1 1 2 4 4 5 5 Flow Pressure Efficiency Flow Pressure Efficiency Pressure Efficiency cfm in water cfm in water in water 3610427 2 Fan Curve Details for 52 24 Close ALL spreadsheets 25 Copy ALL revised spreadsheets in the BaselineO folder to the other three Baseline Loads Data folders Baseline90 Baseline180 Baseline 270 26 Execute the Room Loads Calculation step This will populate the spreadsheets 2 Assign Room Sizing Data Ensure that you did indeed make a backup copy of proposed asp prior to executing the Assign Room Sizing Data step which will populate the controllers in the systems with values form the spreadsheets you will need this to occur for all baseline system but presumably do not need it and very likely do not want it for the proposed system 28 System Load Calculation The dialog should have proposed asp set as the linked HVAC file This will then run five times automatically one for the proposed and four more for the four Baseline systems 29 For VE 6 1 through 6 2 and all intermediate versions RATHER than proceeding to the next step side step a bug in this by manually transferring the final Fan efficiency values as follows e The bug which has been fixed for VE 6 2 1 writes the system re heat coil sizes to the spreadsheet in the incorrect rows Thus users of version prior to 6 2 1 should avoid using th
93. lates Note that you must decide whether to use the Building Area Method OR the Space by Space Method not a combination of the two If you opt for the Space by Space method then ensure that the room group assignment under the building area method is NOT BLDG If you opt for the Building Area method then ensure that the space by space room group assignment is NOT SPACE The Building Area Method is generally used for early stage analysis where the exact function of every zone in the building has not yet been determined The Space by Space Method is used more often as it allows the user to assign a particular function to each zone in the building Internal Heat Gains Set Proposed internal gains Note Equipment amp People gains should remain the same in both the proposed amp baseline models Equipment Baseline amp Proposed equipment loads should remain the same except in special cases Editing the baseline column will apply changes to both models Editing the proposed column will only edit the proposed model and a message will appear alerting the user that differences in equipment gains between the baseline and proposed must be justified with supporting documentation to the entity reviewing the energy model People Baseline amp Proposed equipment loads should remain the same Editing the value in this dialog will apply the edit to both the proposed and baseline models Lighting oet proposed lighting power densities for
94. lighting will be assigned to the last space on the Rooms list While these lights will consume energy there will be no gains to the space to which they are assigned Elevators Use this step to add elevator energy consumption if appropriate and not yet included Again this will be assigned to the last space in the Rooms list If elevators have already been included this tool and the associated schedules that come with the PRM Prototype Data may be of use for improving the representation of elevator use Service Hot Water DHW The consumption rate s will have to be defined in one or more of the baseline thermal templates to match that of the proposed design model Note that as of VE 6 1 1 users can select an independent profile for the consumption pattern rather tan typing this to occupancy and can thus put all DHW consumption in one profile for one space or space type such as a restroom When the independent profile is selected the input changes from gallons per hour per person to simply gallons per hour Whichever method is used the baseline and proposed will need to be consistent Also note that is the proposed design model links the DHW loads to a boiler in ApacheHVAC the same should be done for the baseline model ApacheHVAC System set up loads and sizing The following assumes the starting point stated above and that ApacheHVAC system file was previously completed using the System Prototypes amp Sizing navigator or similar V
95. line 90 model Baseline 180 This enables generation or display of the Detailed Simulation Report for the baseline 180 model Baseline 270 This enables generation or display of the Detailed Simulation Report for the baseline 270 model ASHRAE 90 1 App G PRM Navigator Page 93 ASHRAE 90 1 App G PRM Navigator ASHRAE 62 1 Display Selected Reports This action provides for the selection and display BPRM Reports for individual PRM runs proposed plus four baselines if multiple simulation runs have been performed For example you may have run a number of scenarios to be compared or may have completed a separate run as an Exceptional Calculation Method or with renewable energy systems added etc that will be separately reported in the submittal Additional Documentation of VE Results for LEED EA credit 1 submittal The majority of the data needed for the LEED submittal is included in the BPRM Reports Detailed Simulation Reports and ASHRAE 62 1 ventilation report described above It may be desirable to include additional documentation such as the System Sizing reports as introduced in the Sizing Runs section of this user guide e When you complete the Room Loads Calculation step in either the System Prototypes amp Sizing or PRM Navigator this generates a loads report It is best to use the report generated at the time of the loads run used for sizing of zone airflows etc If the Conduction Gains Breakdown and other inter
96. lineO folder in matched pairs one from each folder for comparison ASHRAE 90 1 App G PRM Navigator Page 105 Appendix A Using the PRM Navigator with a substantially completed model 20 Duplicate any changes in the changes previously made in the proposed sys spreadsheets such as ACH rates and 100 transfer air designations for exhausted restrooms on the Hoom Design Airflows tab and the space types on the 62 1 ventilation tab if used to the baseline version of each spreadsheet Note that some things here will be specific to the proposed system such as ventilation effectiveness or any departure from typical supply air temperatures and should not be duplicated in the corresponding baseline system spreadsheets 21 Close any spreadsheets for proposed systems that are still open 22 Open all baseline system spreadsheets residing in the BaselineO folder the ones that would have been edited in the previous step above 23 Calculate the baseline fan power adjustment value for A according to ASHRAE 90 1 section 6 5 3 1 1 taking credit for ducted returns MERV 13 filtration energy recovery devices direct evaporative cooling etc as in the example below Enter this value for A into the green cell under Baseline Fan Curve User Inputs on the appropriate Sys tab for the baseline system number in all spreadsheets in the BaselineO folder as appropriate For example the entry cell is U24 on the Sys 5 7 tab is this pertains to Baseline Sy
97. mated result table 1 3 generated when the reportage button is activated is now redundant BPRM Report BPRM results are presented in a format similar to the standard LEED letter template Initially user specified information is entered The Navigator then generates individual tables from within the report Finally the BPRM report can be generated in full User Details Input user details for use in the full BPRM report Report Details Responsible Individual IES Company Mame IES Simulation Program Integrated Environmental Solutions Virtual Environment version 6 1 0 Energy Code ASHRAE 930 1 2007 Appendix G Building Building City City Zip Code Zip Country Code Country Data For Tables 1 3 and 1 4 Certain data relating to tables 1 3 and 1 4 has to be entered manually Information entered here will be shown in the full BPRM report ASHRAE 90 1 App G PRM Navigator Page 81 ASHRAE 90 1 App G PRM Navigator i Options New Construction Existing Construction 1 4Proposed Vs Baseline Const Proposed shading devices Description None Description None 1 4 Proposed Vs Baseline HVAC 1 3 Advisory Messages Number of defaults overidden Proposed 1 4 Proposed Vs Baseline MEP Proposed other lighting controls Description None Baseline other lighting controls Description None 0 Baseline 9 Input Input Performance SCoP SSEER Cfm SFP kw Performance SCoP SSEER Cfm SFP k
98. mplate Manager System Outside Air Supply inputs Infiltration Specify design air infiltration rate ACH You must select the row in the table with the red T in the Add to Template column and input the infiltration below in the Max Flow box Air Exchanges xi Type Exchange Reference i Variation Profile Adjacent Temperature Profile Temperature Add To Condition Offset F Template Infiltration Infiltration ALL External lighting External Air Infiltration gain ALL External lighting External Air RESI ALL Infiltration ALL External lighting External Air none ALL External lighting External Air Add Air Exchange Remove Air Exchange Select All Deselect All ype Infiltration 3 ALL External lighting Sun S at Reference Infiltration gain Adjacent Condition External Air X Max Flow o1 ach Figure 35 Air Exchanges Infiltration Inputs ASHRAE 90 1 App G PRM Navigator Page 40 ASHRAE 90 1 App G PRM Navigator Other End Uses Exterior Lighting The hyperlink takes the user to the options dialog box which facilitates the calculation of the exterior lighting power allowance baseline and the proposed model total The dialog is constructed based on the requirements of ASHRAE 90 1 section 9 4 5 and is divided into two surface types tradable surfaces and non tradable surfaces similar to Table 9 4 5 within ASHRAE 90 1 2007 The units listed for each end use
99. n thermal zones should be selected before this hyperlink Is selected By subsequently clicking on the Navigator command the following dialog will appear Hour Room Adjacent Building Topographical Shade Local Shade R Figure 19 Creating Obstructions Properties Dialog Box The dialog allows the room type to be changed from Room to a suitable type of shading type There are three types of shading e Adjacent Building e Topographical Shade e Local Shade ASHRAE 90 1 App G PRM Navigator Page 22 ASHRAE 90 1 App G PRM Navigator Ca Building Orientation This option allows the orientation of the building to be set The arrow points in the direction of north and adjusts when a value is entered on the input line default position pointing straight up Ux Cancel Figure 20 Site Rotation Angle Dialog Box Room Zone Group Assignment In order to progress through the PRM navigator workflow in its intended fashion grouping of rooms becomes a critical step in the overall process The assignment of thermal templates later on in the navigator relies on the correct grouping of room types Also the configuration of HVAC systems also relies on the early stage grouping of rooms into AHU groups This step in the navigator may not be applicable to all models as it may be just as easy to manually assign model zones to the relevant prototype grouping schemes When the prototype data is imported into the worki
100. nal gains breakdowns are checked in the Output Options dialog within ASHRAE Loads then that data will be recorded for query in Vista Results and for display in the loads report o When running ASHRAE Loads the recommended Simulation Options for achieving a high level of accuracy in results are as follows External convection model McAdams this model varies the convection coefficients with wind speed and surface to air delta T Internal convection model Alamdari amp Hammond this model varies the convection coefficients with surface to air delta T o The suggested Output Options for detailed documentation are as follows Output for all rooms LI Standard outputs V Sensible intemal gains breakdown Latent intemal gains breakdown Latent ventilation gain breakdown v Conduction gains breakdown o Tohave the loads report include detailed results for each zone or separate space in the model including UFAD plenums occupied zones stratified zones etc once in Vista Results and prior to clicking the report generator button on the toolbar you will need to go to Report Preferences on the Settings menu and select Detailed room loads This will add a report section for each space e When you complete the System Load Calculations step in either the System Prototypes amp oizing or PRM Navigator this will then generate a similar report for each space this time including much more information about the actual loads and flow rates
101. nd Ventilation Exhaust Requirements Zone Air Distribution Default Occupant Density Design Occupancy Vent Regmt Rp Vent Regmt Ra EI isis eg ao ft person Density ft2 person cfmjperson cfm ft2 0 00 0 00 0 00 0 00 BLDG Automotive facility Miscellaneous Spaces Shipping receiving 750 00 750 00 0 00 0 12 BLDG Convention center Public Assembly Spaces Museums galleries 275 00 275 00 7 50 0 06 BLDG Court House Public Assembly Spaces Courtrooms 275 00 275 00 5 00 0 06 BLDG Dining Bar lounge leisure Food and Beverage Service Bars cocktail lounges 100 00 100 00 7 50 0 18 BLDG Dining Cafeteria Fast food Food and Beverage Service Cafeteria fast food 100 00 100 00 7 50 0 18 BLDG Dining Family Food and Beverage Service Restaurant dining 100 00 100 00 7 50 0 18 BLDG Dormitory Hotels Motels Resorts Dormitories Bedroom living 250 00 250 00 5 00 0 06 BLDG Elevators Equipment Miscellaneous Spaces Elevator machine rooms 0 00 0 00 0 00 0 12 BLDG Exercise center Sports and Entertainment Health dub weight rooms 50 00 50 00 20 00 0 06 BLDG Gymnasium Sports and Entertainment Gym stadium play area 50 00 50 00 0 00 0 30 BLDG Health care clinic Health Care App E Medical Procedure 200 00 200 00 15 00 0 00 BLDG Hospital Health Care App E Medical Procedure 200 00 200 00 15 00 0 00 BLDG Hotel Hotels Motels Resorts Dormitories Bedroom living 250 00 250 00 5 00 0 06 BLDG Library Public Assembly Spaces
102. ndpoint midpoint grid etc When creating model geometry it is useful to have the lock window open so you can switch different locks on and off depending on the particular modeling task you are trying perform Grid Axis Model Endpoint DAF Endpoint Midpoint Nearest point Perpendicular ae eS Parallel Drawing Guides ANS Aus OO Angular lock Angular increment E 45 Drag Face lock Drag dimension 1 0000 C rd Face Snapping in o Axanametric View Figure 9 Locks Dialog Box Grid Snapping to the grid when building model geometry ensures the creation of an accurate compact model which enhances accuracy and performance later in the analysis This option allows the distance between grid points to be set in both the x and y direction Checking the grid box in the locks menu will force the drawing tool to snap to the grid In general it is recommended to use a grid separation distance of 4 inches 0 1m Emid Sani Display 5 Axis Dimension m 0 7000 Ave Dimension m 0 1000 Figure 10 Grid Settings dialog box ASHRAE 90 1 App G PRM Navigator Page 15 ASHRAE 90 1 App G PRM Navigator Inner Volumes This option allows you to add or remove inner volumes from your model Inner Volumes Select to Add Remove inner volumes Add inner volumes Remove inner volumes Figure 11 Inner Volumes Dialog Box Inner volumes are used to take account of the thickness of walls ceilings and floors T
103. ng feature The following steps must be followed in order to make custom edits to the baseline model geometry e Enter Modellt and switch to Baseline model by selecting view model in the main tool bar e Delete the double skin facade geometry from the baseline model ASHRAE 90 1 App G PRM Navigator Page 65 ASHRAE 90 1 App G PRM Navigator Ca e Return to the BPRM view e Atthis point the newly exposed facade will have default VE constructions assigned You must manually assign the baseline exterior wall constructions for this facade e Once the facade constructions have been assigned the 0 deg baseline model geometry and construction assignment should now be correct e IF after removing the double skin facade the overall window to wall ratio for the entire baseline building exceeds 4095 the newly exposed glazing on facades where the DSF was removed will need to be downsized until the overall 4096 requirement is met If the proposed building had greater than 40 WWR prior to generating the Baseline building the glazing area on all exterior facades will have been automatically reduced to meet the requirement e For user that have previously generated the other baseline orientations by running Room Load Calculations after generating the baseline model these other orientations must be refreshed This is will be dealt with by running the Room Load calculations in a later step As these other baseline orientations are based on the 0 d
104. ng model it contains a series of thermal room groups based on ASHRAE 90 1 Building Area amp Space by Space methods The user must choose to either group the zones by either Building Area OR Space by Space If the Building Area method is chosen then in the Space by Space grouping scheme all zones must be placed in the NOT SPACE group Similarly if the Space by Space method is chosen then in the Building Area grouping scheme all zones must be placed in the NOT BLDG group The Building Area method is generally used for early stage analysis where the exact function of every zone in the building has not yet been determined The Space by Space method is used more often as it allows the user to assign a particular function to each zone in the building 888 9i 90 1 Building area method IP B B ei 90 1 Space by space method IF zl Space by space method IP E amp Model l amp Model Lll BLDG Automotive Facility IG SPACE Active storage LIES BLDG Convention center Ll BLDG Court House LE BLDG Dining Bar lounge leisure L 1g BLbG Dining Cafeteria Fast food L Bg BLDG Dining Family 0m BLDG Dormitory JL BLDG Exercise center LIB BLDG Gymnasium L Bg BLDG Health care clinic Lll BLDG Hospital TE SPACE Active storage Hospital Lll sPACE Atrium Each additional Floor L JB SPACE Atrium First three Floors L JB SPACE audi
105. ntrols Interior lighting power density Day lighting controls Exterior lighting power Process lighting Receptacle equipment Elevators escalators Refridgeration equipment Cooking equipment Data pracessing centre equipment Proposed Description None Total power density Btu h ft Radiance simulation Total power consumption kBtu hj Total power density Btu h ft Total power density Btu h ft Total power density Btu h fi U Total power density Btu h ft Total power density Btu h CH Total power density Btu h ft Input area weighted 2 73 Ha 17 57 0 00 5 12 0 00 0 00 0 00 0 00 Baseline Description Hone Total power density Btu h ft Radiance simulation Total power consumption kBtu h Total power density Btu h ft Total power density Btu h ft Total power density Btu h ft Total power density Btu h ft Total power density Btu h ft Total power density Btu h ft Copyright 3010 integrated Environmental Solutions Lirmied All rights reserved Input area weighted 3 75 Ha 18 45 0 00 0 00 0 00 0 00 0 00 ASHRAE 90 1 App G PRM Navigator Page 87 ASHRAE 90 1 App G PRM Navigator Model Input parameter Proposed Baseline HVAC Description Performance Description Performance SCop S5EER SCop S5EER Ctm SFP kW Ctm SFP kW Primary HV AC system WAMwRH VAMWRH Other HVAC system Hane None Fan supply
106. nts over the larger number of hours that include warm up and wind down the Unmet Load Hours test needs to use these more stringent set points over a shorter period of each day just the opening hours This test must assume the rest set points to be at the unoccupied values during the warm up and wind down It should stop counting unmet load hours outside of occupied times only when the selected Setback Strategy is HVAC Off Once the above information has been set users are also prompted in a later navigator step to set tolerances for the unmet load hour check ASHRAE 90 1 App G PRM Navigator Page 79 ASHRAE 90 1 App G PRM Navigator Set tolerances for unmet load hour tests Heating set point tolerance ER Cooling set point tolerance ER NOTE The purpose of these tolerances is to allow for the effect of control bands when reporting unmet load hours The heating set point tolerance is subtracted from the room heating set point The cooling set point tolerance is added to the room cooling set point The purpose of these tolerances is to allow for the effect of control bands when reporting unmet load hours The heating set point tolerance is subtracted from the room heating set point The cooling set point is added to the room cooling set point Range test dialogue in Vista It may be necessary to manually check the unmet load hours for models that do not have a common heating amp cooling set point for all model spaces Thi
107. o outdoor temperature ASHRAE value at rated condition sans SA fan power adjusted according to ASHRAE standard performance curves and assumed part load operation above a 32 F thermal balance point to match equipment with capacity in the range of 7 15 kBtu h 2 05 4 4 kW For PTHP systems with either lesser or greater capacity until this is automated in the software users must replace the COP values in the Heat Pump component dialog with the appropriate set from Appendix B HVAC Systems Modeling Guidance Specific to ANSI ASHRAE IESNA Standard 90 1 2007 in the ApacheHVAC User Guide There are just three capacity ranges for PTHP heating mode COPs in ASHRAE 90 1 2007 e Tip Select just the multiplex layers with Heat Pump components that have an autosized capacity value on the 10th row at 47 F that is either less than or greater than 7 15 kBtu h but not both Then while in multiplex Global Edit mode revise the ten COP values simultaneously for all of these 15 Air Source Heat Pumps in System 4 PSZ HP similar to system 2 heat pumps are set up by default with 10 COP and capacity values forming a performance curve in relation to outdoor temperature ASHRAE value at rated condition sans SA fan power adjusted according to ASHRAE standard performance curves and assumed part load operation above a 32 F thermal balance point to match equipment with capacity in the range of 65 135 kBtu h 2 05 4 4 kW For PSZ HP systems with either lesser
108. ons are run automatically Macroflo amp the PRM navigator In order to link the VE Macroflo module into the PRM navigator users must first run the Full PRM simulation with the Macroflo link ticked off Once the full simulation is complete users must then run the Proposed model simulation with the Macroflo link ticked on The proposed simulation must be run again with the same simulation name so that it over writes the first proposed results file 13 Cost Please refer to the tariff analysis tool please refer to the Tariff analysis user guide ASHRAE 90 1 App G PRM Navigator Page 76 ASHRAE 90 1 App G PRM Navigator s 14 Results i Navigators Applications ASHRAE 90 1 App G PRM a 5 i el amp Preliminary Data Setup L amp Envelope Thermo physical Properties L D Reom Zone Thermal Template Data AN D HVAC Systems L D Other Input Data Ll D Generate Baseline L D Sizing Runs Ll CB Simulations E E Cost L Results L Set parameters for unmet load hour temperature tests 7U0 C3 BPRM Report User details 7U0 Data for Tables L3 and 1 4 70 a 70 0 e 0 S j a j Detailed Simulation Reparts Proposed o Baseline i UE Baseline I0 j rj Baseline 180 DIE Baseline 270 3 F1 C ASHRAE 62 1 Lj Lj Lj Lj Lj Display Selected Reports O E Figure 44 Results Navigator Sub categories and Tasks ASHRAE 90 1 App G PRM Navigator
109. or W 1 1 General information Report images can be replaced by 1 Open model viewer Company name IES Simulation progranc Integrated Emevronm Virtual Environment versior Energy Code ASHRAE 90 1 2007 Model data Building foor area il condihboned ioi rotal I iDoned ume fgurnber of Condhoned he f Door Heating calculation data Prinapal heabng source Results file Laicuiaied Cooling cabculation data Pinapa cooling source Results M alcutated Desiga weather Source Weather locaton Weather file Climate tone ASHRAE 90 1 Koeppen Geiger Constructor __ 2 Adjust the model view accordingly 3 Save the image to the VISTA BPRM folder with the project Vista file over write appropriate default BMP default file amp regenerate report ASHRAE 90 1 App G PRM Navigator enta s SHRAE Ges ounons ADC en He Le 1 iS fe 19775621 ff Cas Manu al hic 16 Jun 2010 0937 3n weather database C Iwcago Hino ChicagoMiOwa TM mre w Sena Det de Letra ers fequrerw w Sch wll t T g dersine ig ans PICOSOO Dulit rg fam 259721 ofero emmy lation PAIR aes a om nt 59 9 eo tag Jer 1 743 vn A joar 3 MORAL 9C e T tecor 3 WAT me 4 amp Z um I d m Con amp igus Mg ror r P Enep e rf a Page 85 ASHRAE 90 1 App G PRM Navigator 4 Table 1 2 Space Summary ih 1 2 Space Summary Bu
110. or equivalent tools in the VE the System Schedules dialog should already have been used to set values in the pre defined system profiles accordingly ASHRAE 90 1 App G PRM Navigator Page 104 Appendix A Using the PRM Navigator with a substantially completed model 13 Other Input Data Complete set up of Renewable Energy Systems and Utility Tariffs as appropriate 14 Generate the baseline model 15 Check for proper set up of ground contact constructions with a U effective adjustment layer reduction of overall glazing area if the proposed design has more than 40 of the overall window to wall ratio for the entire building not per facade the glazing should have been reduced to 4096 and so forth 16 For users with UFAD and DV systems or other thermally stratified environments in the proposed design this is the time to remove the partitions with holes that separate occupied and stratified zones or the potentially multiple sub zones in an atrium that is meant to stratify 17 If the proposed design model has a double skin facade this should also be removed at this time as follows Enter Modellt and switch to Baseline model Delete the double skin facade geometry from the baseline model Return to the BPRM view At this point the newly exposed facade will have default VE constructions assigned You must manually assign the baseline exterior wall constructions for this facade Once the facade constructions have been assigned
111. or Page 18 ASHRAE 90 1 App G PRM Navigator These space types correspond exactly with the room thermal templates and provide some indication of what spaces should be grouped together Manually Extrude Hooms Zones Click the draw extruded shape button and the shape settings window will open Set the height of the room and what plane the room sits on You can name the room here or you can choose to name the room later by right clicking on it in the room list in the side bar Draw the outline of a room by clicking on points in the model view window to define the room vertices It is important to snap to the grid Reference room Room Type Room v Placement Plane m 0 00000 Height depth m 3 00000 Create inner volume d Room Groups Ee D Room Templates EERESSLLAA AO Figure 16 Shape Settings Dialog for drawing shapes Import DXF amp Manually Extrude When importing a dxf it is important to select the correct scale factor The drawing will appear in grey in the model view window and will sit behind the model Use this to as a guide in which to trace your rooms over while snapping to the grid at all times ASHRAE 90 1 App G PRM Navigator Page 19 ASHRAE 90 1 App G PRM Navigator trie DCF Fils orem a SE My Recent Documents File name dxf m My Network Files of type DXF Files dxf Si Scale Factor R Plane mj metres Maximum Arc Chord Dis
112. pace so that users can create a proposed HVAC network from scratch or select one of the pre defined prototype systems All prototype systems can be auto sized amp customized to match the proposed HVAC system design Auto sizing the proposed system will only be applicable for early stage analysis as the proposed system must represent the actual system design in order to accurately assess the quality of the HVAC design Modifying the proposed network to represent the actual system design would involve creating the actual plant components as per there type amp capacity inputting actual design air side flow rates amp setting up all auxiliary system components as per there design fans amp pumps etc AHU System Parameters As per baseline AHU system parameters assignment Room conditions Set points Set design heating and cooling set point temperatures for ASHRAE load calculation HVAC system sizing purposes amp unmet load hours check This involves using the edit group attributes to manually assign the corresponding Room conditions amp Plant profile to the relevant ADHVAC grouping scheme For example a simple two zone model has been created with a standalone HVAC system for each room Each room has an alternative set of HVAC operation profiles which have been created previously at the system schedule stage ASHRAE 90 1 App G PRM Navigator Page 52 ASHRAE 90 1 App G PRM Navigator The abov
113. posed Building Constructions Within this section the user can choose to assign proposed building constructions from one of two options Improve Baseline The user can choose to select amp edit any default ASHRAE 90 1 baseline construction type for use in the proposed model Clicking the Show Baseline button will display a list of the baseline constructions so you can assess how your proposed construction compares to the baseline requirements ASHRAE Assembly Wizard x xternal Wa Show Baseline R value of Continuous Insulation None Se Insulation system Insulation f h F Btu U value Btu h ft F Steel Framing at 16 in OC 3 5 None 0 8 Steel Framing at 16 in OC E R 11 5 5 Steel Framing at 16 in OC R 13 6 0 Steel Framing at 16 in OC F R 15 6 4 Steel Framing at 16 in OC d R 13 7 1 Steel Framing at 16 in OC d R 21 7 4 Steel Framing at 24 in OC None 0 3 Steel Framing at 24 in OC R 11 6 5 Steel Framing at 24 in OC j R 13 7 2 Steel Framing at 24 in OC R 15 7 8 Steel Framing at 24 in OC j R 13 8 5 Steel Framing at 24 in OC d R 21 9 0 pply Review Import m Figure 28 ASHRAE Assembly Wizard Dialog Box Improved baseline constructions for use in the proposed building can be imported into the ApCdb construction data base manager once manual edits have been made Note that a copy will be made for the proposed building and the baseline construction itself will not be edited Clicking
114. pp G PRM Navigator The report includes data regarding the sizing of the following Heating and cooling coils Supply fans Return fans Exhaust fans Outside air ventilation rates Zone heating coils reheat Zone airflow rates The System Sizing report also includes an Engineering Checks section Baseline 0 The report contains data relating to the Baseline 0 model sizing runs Baseline 90 The report contains data relating to the Baseline 90 model sizing runs Baseline 180 The report contains data relating to the Baseline 180 model sizing runs Baseline 270 The report contains data relating to the Baseline 270 model sizing runs Setting Baseline HVAC DHW manual inputs Once sizing runs have been performed amp auto sized data has been assigned to the HVAC networks users are required to make some manual edits to the baseline HVAC network in order to comply with ASHRAE 90 1 rules These will be autosized set in future releases 1 Setbaseline heating source minimum efficiency See ASHRAE 90 1 tables 6 8 1A to 6 8 1F The baseline system efficiency is dependent on the heating plant load users should use the baseline sizing calculations to determine the required efficiency 2 Number of baseline boilers if systems 1 5 or 7 are being modeled See ASHRAE 90 1 3 1 3 2 If two boilers are required the boiler Qrat input must be divided by two 3 Set baseline hot water pump type i e Variable speed or constant spee
115. r Henewables PYS generator Wind generator CHF generator PY array Evpe Derive performance parameters From PY array type PY module nominal efficiency 0 1300 Nominal cell temperature MOCT C 45 0 Reference irradiance For MOCT Wine 800 gy temperature coefficient For 0 0040 module efficiency IK Degradation Factor 0 9900 Shading Factor 1 0000 Electrical conversion o aen efficiency Eres d Azimuth Inclination clockwise Fom north Fram horizontal Add panel Remove panel Henewables P S generator Wind generator CHP generator PY array Faute Derive performance parameters From PY array type PY module nominal efficiency 0 1300 Mominal cell temperature NOCT fC EU Reference irradiance For NOCT m2 800 Wenige coefficient For 0 0040 Se module efficiency 17K Degradation Factor 0 9900 Shading Factor 1 0000 Electrical conversion o 500 efficiency Aves Azimuth Inclination clockwise Fom north From horizontal Add panel Remove panel ASHRAE 90 1 App G PRM Navigator Page 55 ASHRAE 90 1 App G PRM Navigator Utility Tariffs Introduction Tariff Analysis tool is used to convert the results in energy units from ApacheSim into results in monetary units The tool allows the user to create real tariffs which can be saved and shared with other projects to perform a cost analysis study and easily visualize the improvements from selecting different tariffs P
116. rate for each template Note that these values will not be used unless the 62 1 calculations are disabled in the LoadCalcsVentilation spreadsheet Building Template Manager Mm X Project Template File Xs TE cei LEET EH LEE TEE Template Types Thermal Conditions Building Regulations Room Conditions System Internal Gains Bir Exchanges BLDG Automotive facility BLDG Convention center HVAC system ASHRAE Baseline Prototype System Wei System BLDG Court House Auxiliary vent v ASHRAE Baseline Prototype System BLDG Dining Bar lounge leisure V Use same as HVAC ee DHW system BLDG Dining Cafeteria Fast food Use same as HVAC ASHRAE DHW Baseline Prototype System BLDG Dining Family BLDG Dormitory Heating Heating plant Simulation heating S BLDG Elevators Equipment diri v are 0 000 Ben Je Unlimited BLDG Exercise center BLDG Gymnasium Cooling ge Cooling plant Simulation coolin BLDG Health care clinic radiant fraction 0 000 URL CADO H vw Unlimited BLDG Hospital BLDG Hotel gt Thermal Conditions Uf Import Templates Room heating and cooling plant Add Template internal gains and ventilation E Remove Template H Apache Profiles Database stem outside air supply system air supply in Vista in Variation bw rate 0 1500 E fe z profile DI 0 0000 ach DI poling flow capacity Figure 34 Building Te
117. s Tariff Description Electricity Domestic DIbmestic Unrestricted Tariff SJKah Baa E Se mmercial Standard T ariff A m E kwh Mos LI Dl Oil Commercial Supy Commercial Standard T ariff El B Tooo Coal Coal Commercial Gu e Commercial Standard T ariff vi E MT eooo Miscellaneous Electricity Domestic Domestic Unrestricted Tariff Y E Kwh Bo Renewable Electricity Supplier Sell price for excess electricity E E kWh Bo p Tea 56848 ZS Improvement EE Save OF Cancel Generate Report Cost Analysis Utility Type Supplier Pa ere eee R ate Tariff Units Cost of Proposed Cost of Baseline SE Domestic Unrestricted T ariff kwh 225 47 Commercial Standard Tariff 4 M 440 99 D Coal Coal Commercial Su Commercial Standard T ariff E MT Dp T Electricity Supplier v jf Sell price for excess electricity E kWwh fo TT Toa 56646 P o Improvement Generate Report Save OK Cancel IES Elec suppliers 3as Commercial Su kwh The resulting Cost output will now reflect the custom created tariff data Creating a Simple Flat rate Tariff For further detail on using the tariff analysis tool please refer to the Tariff analysis user guide Fossil Fuel Type All miscellaneous fuel codes are assumed to be electricity except for e Space Heating e Service Water Heating e Cooking These end uses may be either elec
118. s Loads Data spreadsheet Latent heat effectiveness io o Device operating power ooo kw Cancel Apply Varying system information can be assigned to individual amp multiple system types once the information is set OK can be clicked amp all information will be applied accordingly Proposed System Users have the option to create the proposed HVAC network by copying and editing the existing baseline HVAC network or by creating a new HVAC network from scratch or using one of the prototype systems Improve Upon Baseline Users are presented with the option to use the Baseline system as the proposed system Edits can be made to the baseline system amp then saved as the proposed system This is a useful feature for early stage PRM modelling Clicking this link in the navigator is the same as clicking save as while having the baseline network open and saving it as proposed asp Edit Current Proposed Edits can be made to the copied baseline HVAC system amp saved as the proposed system For early stage analysis where the system may not be know this is a useful option for assessing the affects of introduction generic system optimization strategies for example e Energy recovery e Air side economizer e Water side economizer ASHRAE 90 1 App G PRM Navigator Page 51 ASHRAE 90 1 App G PRM Navigator High efficiency plant VSD pumps High efficiency fans Etc OR Custom System Opens a new blank HVAC work s
119. s means that a manual approach must be implemented for spaces with common heating amp cooling set points This manual approach uses the range test feature within the Vista results analysis tool to perform the unmet load hour s check Users must select the required model rooms or groups of rooms they wish to test amp then select the range test icon in the main Vista results analysis tool bar The below interface will appear 2 Chart 1 Wed 01 Jan to Wed 31 Dee wb Hi A xn 3 Day Time Test type Output Analysis ne MSp EH V ariable Space conditioning sensible KW Start Time C Greater than d ue H 00 d 00 Finish Time C Between C Less than e Above below set pts values from Room Data IX XIXISIXI ISI XI M Test values in C Set pt tolerance hours Apply Controlled band gt Cooling set point delme proj aps delme proj aps delme proj aps delme proj aps delme proj aps delme proj aps delme proj aps delme proj aps delme proj aps ASHRAE 90 1 App G PRM Navigator Page 80 ASHRAE 90 1 App G PRM Navigator Users must select the when plant conditioned from the above drop down window amp set the heating cooling tolerance ranges before clicking the apply button Once the apply button has been clicked the user will be presented with results Using this approach means that users will have to manually create the LEED results table 1 3 for submittal amp that the auto
120. s required by ASHRAE 90 1 G3 1 2 10 via the AHU Parameters dialog prior to system autosizing 13 DX Cooling autosizing is applied to the DX Coil component and this by default is set to override the capacity that has been pre set in the DX Cooling types dialog This scales the performance curves in the types dialog as needed to match the size of each DX Cooling instance for that type The DX Cooling types are set up to match ASHRAE 90 1 COP values fan power having been removed from EER values provided in ASHRAE Table 6 8 1A 6 8 1B and 6 8 1D for each ASHRAE size range e For systems 3 5 and 6 these are dynamically re assigned as needed to match appropriate COPs with the sized DX cooling unit e For systems 1 2 and 4 until the same level of automation is provided within the software users will need to manually check within the Cooling Coil dialog and if needed change the selection of pre defined DX Cooling Type to match the equipment PTHP vs PTAC and PSZ HP vs PSZ AC and COP for the autosized component to those in ASHRAE tables 6 8 1B and 6 8 1D Again the COP values ASHRAE 90 1 App G PRM Navigator Page 73 ASHRAE 90 1 App G PRM Navigator for the rated condition in the pre defined DX Types are based upon the EER values from the ASHREA tables with fan power having been removed 14 Air Source Heat Pumps in System 2 PTHP are set up by default with ten COP and capacity values forming a performance curve in relation t
121. s test Currently the user must click Occupied hours only as well oee below detail for the above two approaches PRM Navigator Unmet load hours When using the PRM navigator the range of hours tested to meet the unmet load hour requirements are defined within the system schedule dialogue ASHRAE 90 1 App G PRM Navigator Page 78 ASHRAE 90 1 App G PRM Navigator os System Schedules Close i 09 00 20 00 09 00 ka 17 00 amp 10 00 16 00 lt 11 00 a 15 00 K Apply as the plant profile for all rooms Setpoints amp HVAC Timing Configure settings for each day type independently EE Cooling F 75 80 Heating F 69 60 HVAC Timing Hours Morning Startup Time 1 5 After Hours Operation 0 5 used for unmet load hour checks 4 If Apply as the plant profile for all rooms is left as ticked then it will create a new annual profile named Plant conditioning times which will be assigned as the Plant profile for all rooms This profile will provide just two things to the actual unmet load hours test 1 The opening hours and thus a means of shifting the effective times that the times heating and cooling set points switch from Occ to Nt Unocc set point values 2 he times for which the HVAC will actually be OFF it is rare to allow this outside of very mild climates In other words while modelling of the HVAC system operation needs to use the Occ set poi
122. s used to dictate the daily operation of the building at a daily weekly level It allows the user to customize the operational days of their building to match the project requirements ASHRAE 90 1 App G PRM Navigator Page 13 ASHRAE 90 1 App G PRM Navigator For example in the Middle East region the typical working week is Sun Thu with Fri Sat being the weekend In the UK US however the working week is Mon Fri with Sat Sun being the weekend This dialog allows the user to customise the weekly operation of their building An on off filter is included which allows the weekday order re shuffle override to only be assigned to selected Profiles The All check box allows a quick toggle to turn the entire list of profiles on off Profile Weekly Pattern Editor Filter All AI Weekly profile ALL External lighting Sun Sat ALL Internal lighting Process Sun Sat BLOG Assembly Equip BLDG Assembly Light BLOG Assembly People BLDG Health Equip BLDG Health Light BLDG Health People BLDG Hotel Motel Equip BLDG Hotel Motel Light x Week day order Monday Tuesday Wednesday Thursday Friday Saturday Sunday Holiday oes zm Figure 8 Profile Weekly Pattern Editor Dialog ASHRAE 90 1 App G PRM Navigator Page 14 ASHRAE 90 1 App G PRM Navigator Building Geometry Settings Locks Locks allow the user to snap the drawing tool to various items in the model view window such as model e
123. space types The default values provided for the baseline model are in line with the values in ASHRAE 90 1 2007 Chapter 9 Lighting within e able 9 5 1 Lighting Power Densities Using the Building Area Method ASHRAE 90 1 App G PRM Navigator Page 36 ASHRAE 90 1 App G PRM Navigator e able 9 6 1 Lighting Power Densities Using the Space by Space Method Reduce Lighting Power x Please enter lighting reduction value For each space type vw Show active space types Building Type SPACE Office Enclosed GE WY ce od Please enter lighting reduction value E 10 e 10 Reduction ce Figure 31 Reduce Lighting Power Proposed Manual Value Entry The dialog above shows the first way that the Lighting Power Density LPD can be input for the Proposed Design model through direct entry of a value on the far right column LPD Proposed W ft2 for each space type Note that the LPD Baseline W ft2 default value shown for each space or building type aligns with the ASHRAE 90 1 2007 Chapter 9 Lighting tables identified above A second approach to establishing the LPD Proposed W ft2 is shown in the figure below The user can either directly enter a 9o value 1 100 in the input cell under Please enter lighting reduction value or if targeting a 10 reduction can just select the check box to the right of the input cell By providing an input in either one of these ways the LPD Proposed will be derived by taking the L
124. stem type 5 or A sum of PD x CFMp 4131 where PD each applicable pressure drop adjustment in i w c from Table 6 5 3 1 1B CFMp the design airflow e from the actual design in CFM through each applicable device from Table 6 5 3 1 1B Example If AHU 1 has a MERV 13 filter and a Heat recovery device with design static pressure of 1 2 i w c both at a design flow rate of 20 000 cfm then A 0 9 20 000 4134 1 2 20 000 4134 10 2 Note that because the adjustments are relative to the design condition in the proposed system these calculations can be performed prior to sizing the baseline systems However the spreadsheet still needs the results of the baseline system sizing to complete its calculation of the final fan efficiency values Entering a number in the spreadsheet for A will revise the fan efficiency for each of the five data points for Fan component eg SA fan component S2 on the Sys 5 7 tab as highlighted in the S2 table from that tab below The static pressure values for the baseline supply fans will remain unchanged e g at 2 0 i w c Because TSP is held constant in this calculation and because the baseline SA fan power is accounting for ALL fans other than parallel fan powered boxes in the baseline system the resulting efficiency values will appear remarkably low as in this example ASHRAE 90 1 App G PRM Navigator Page 106 Appendix A Using the PRM Navigator with a substantially completed mode
125. tance m user defined Figure 17 Attach DXF file dialog ASHRAE 90 1 App G PRM Navigator Page 20 ASHRAE 90 1 App G PRM Navigator os Import GBXML Revit ArchiCAD etc This hyperlink offers an alternative to manually building a model within the lt VE gt ModellT module lt allows a GBXML file to be imported from another CAD platform such as ArchiCAD or other Note IES has developed plug ins can be downloaded at www iesve com for the following BIM platforms that facilitate translating the model into the VE platform in enhanced ways compared to straight GBXML e SketchUp and SketchUp Pro version 6 amp 7 e Revit Architecture 2009 2010 2011 e Revit MEP 2008 2009 2010 2011 Model Settings The model setting window allows you to change the adjacency separation distance vertical horizontal element transition angle and perform model checks Vertical Horizontal Element Transition angle define at what angle a wall becomes a ceiling or a floor By default if a surface is at an angle less than 60 it is recognized by the software as a ceiling or floor 8 Adjacency separation distance m 0 100 Vertical honzontal element transition angle IT Check Options Intersection Constructions ones roups d Je Surfaces Check Visibility SS Figure 18 Model Settings Dialog Box The model check option allows you to perform a check on the quality integrity of the geometry in your model C
126. tar credit interrogation and report creation 2 VE Gaia PRM Navigator What makes it different The PRM Navigator establishes a workflow concept to guide the user through the Performance Rating Method process It particularly targets the USGBC LEED Energy amp Atmosphere Credit 1 Optimize Energy Performance energy modeling process however it can be used in a number of other ways as well For example the following Green Rating Systems but not limited to that are used in different parts of the world also point to ASHRAE 90 1 Appendix G PRM process as the requirement for energy credits as well LEED Canada points to ASHRAE 90 1 2007 Estidama points to ASHRAE 90 1 2007 LEED India points to ASHRAE 90 1 2004 template data within the PRM navigator is based on 90 1 2007 version so user will currently need to edit the input assumptions to run analysis for a different version of ASHRAE 90 1 What makes it different from other tools that are used for energy modeling It could be generally categorized as a wizard but it s a smart navigator The PRM Navigator not only allows users to implement and manage the PRM process in a new way it also navigates how the user can access the different VE Pro modules required see required module list below to complete the different types of analysis involved in the PRM process in a streamlined manner The user is also given real time feedback along the way so they can
127. the Apply button will automatically assign your improved construction assembly to the entire proposed building Custom Construction Type Alternatively the user can choose to create proposed building envelope constructions as per known project specifications When choosing this option the user is taken straight to the ApCdb construction data base manager were they can create custom construction types for the proposed model from scratch ASHRAE 90 1 App G PRM Navigator Page 33 ASHRAE 90 1 App G PRM Navigator Project constructions Salt EN File Edit view Settings Calculations Tools Help Bl amp 8s I P 7 X6 0 m paque Constructions Glazed Constructions Internal Ceilings Floors C Doors C Internal Partitions C Roofs C Ground Exposed Floors External Walls Description standard wall construction 2002 regs Generic sheet steel Generic sheet aluminium Generic PROPOSED DM standard LI 0 57 Generic C25 Ext Wall Non Res Steel Framed R 13 0 7 5 2 3 164 Generic C24 Ext Wall Non Res Steel Framed R 13 0 7 5 2 3 164 Generic Figure 29 Project Constructions Dialog Box Note For future reference when using the VE The line items in the dialog above that are highlighted in green mean that those external wall types in this case are being used in the model Alternatively the create target construction option could be selected if detailed proposed construction information is not available
128. tricity or fossil fuels and there are two options for fuel code assignment If the fossil fuel option is chosen this window allows you to change the fuel type for these fuel codes for the sake of calculating fuel consumption and energy cost Fossil Fuel Type Ki Space Heating lcs o o Service Water Heating as m Cancel ASHRAE 90 1 App G PRM Navigator Page 63 ASHRAE 90 1 App G PRM Navigator 10 Generate Baseline Applications 4 Navigators ASHRAE 90 1 App G PRM a gp H t E Preliminary Data Setup i D Envelope Thermo physical Properties D HVAC Systems D Other Input Data Generate Baseline T SR E Reom Zone Thermal Template Data T T D L2 O O O O E Sizing Runs Simulations Cost Results e e CH RR LJ EJ EJ E Figure 41 Generate Baseline Tasks Generate the Baseline Model This navigator step automatically generates the baseline models amp assigns all relevant baseline information created in previous navigator steps stages Note his is a very important step in the navigator workflow as it essentially assigns all model data setup in previous navigator steps If any changes are made to navigator steps after the generation of the baseline models the baseline models must be re generated in order to assign updated model data i e lighting ventilation rates occupancy etc Baseline sizing runs will also need to be rerun if changes effect space loads i e Lighting ventilation rat
129. tu 27 2H9 0 0 0 0 0 27 269 00 Max kBtu h 104 4 a a 0 0 104 4 Day Hour 27 i 07 30 1 00 30 1 00 30 2T 07 30 Fesk end use 104 4 0 0 o 0 Peak PCT 100 0 0 0 a a February kBtu 21 570 0 0 0 0 0 21 570 0 Max kBtu h De 3 a a 0 0 DEA Day Hour z 06 30 1 00 30 1 00 30 21 08 20 Peak end use D A 0 0 0 0 Peak PCT 100 0 0 0 a a Mach kBtu 15 288 4 0 0 0 0 15 288 4 Max kBtu h 85 T 0 0 a a 85 7 Day Hour 57 07 30 1 00 30 1 00 30 5 07 30 Peak end use BD 0 0 0 0 Peak PCT 100 0 0 0 Op April kBtu 5 903 4 0 0 0 0 5 903 4 Max kBtu h 58 5 0 0 0 0 58 5 Day Hour 2 U0r 30 1 00 30 1 00 30 2 07 30 Peak end use 58 5 0 0 be Peak PCT 100 0 0 0 0 0 May kBitu 1 533 0 0 0 0 0 1 533 0 Max kBtu h 43 8 0 0 0 0 43 8 Day Hour 10 07 30 1 00 30 1 00 30 10 07 30 Pesk end use 43 8 0 0 0 0 Peak PCT 100 0 0 0 0 0 June kBtu 187 7 0 0 0 0 187 E Max kBtu h 26 6 0 0 0 0 26 6 Day Hour 28 07 30 1 00 30 1 00 30 28 J 07 30 Peak end use 28 8 0 0 n n Peak PCT 100 0 0 0 0 0 This table shows a detailed breakdown of the monthly performance of each of the PRM end use categories for all fossil fuel meters The annual fossil fuel energy consumption is also shown for each end use and summed to give the total annual fossil fuel energy consumption Baseline 0 This enables generation or display of the Detailed Simulation Report for the baseline 0 model Baseline 90 This enables generation or display of the Detailed Simulation Report for the base
130. ulation Measures The Energy Analysis does not include exceptional calculation method s ASHRAE 980 1 2007 moe at er Sei ASHRAE 90 1 App G PRM Navigator Page 89 ASHRAE 90 1 App G PRM Navigator Detailed Simulation Reports Proposed This step enables the generation or display of the 10 minute checklist report for the proposed model The report contains four separate sections Building Utility Performance Table Building Utility Performance ENVIRONMENTAL Le SOLUTIONS LTD 16 Jun 2010 simulated 15 Jun 2010 at 10 30 Weather file ChicagoMidwayTMYY fut Fans Service Service Interior Data Fuel fy Internal Exterior Space Space Heat Fans Parking Water Water Receptacle Lighting Cente Elewators Space Total Total pe Lighting Lighting Heating Cooling Pumps Rejection Interior Garage Heating Heating Equipment Process Refrigeration Equipment Escalators Heating Cooking Cooking Total kWh ft kWhift kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh kWh gross net All fuels SI units Electricity 5 032 25 580 0 6041 IT 1 884 5791 0 0 2 438 0 0 D 0 54 141 25 15 25 15 Fossil Fuels a 34 075 0 D 0 0 D 0 0 o 0 34075 15 83 315 83 Renewables o 0 D 0 D 0 o o o 0 0 00 0 00 Totals 5 032 25 580 34075 6 041 377 1 884 5 791 o 5 438 0 D D 88 216 40 98 40 58 Fossil Fuels only alternative units MBtu Fossil Fuels 0 0 0 0 118 3 0 0 0 0 0 0 0 0 0 0 0 0
131. up amp Envelope Thermo physical Properties Room Zone Thermal Template Data D HVAC Systems amp Other Input Data D Generate Baseline D Sizing Runs Simulations eh ra md va LJ LJ LJLJLJ LJ EJ L2 EJ EJ EE E CB Cost CB Results Figure 43 Simulations Tasks Proposed Model Simulation This step allows the user to set up a full annual simulation for the proposed model Ensure that the correct model links and the correct Apache HVAC file are selected Ensure that the simulation time is set from 1st Jan 31st Dec Apache Simulation m Results fle p_ Proposed aps Climate file ChicagoMidwayT Mr hat Model Links Simulation SunLast link i Simulation Time Step o minutes Radiance calculations have not been performed ER l Reporting interval ea e minutes EO MacroFlo Link ApacheH aAc link proposed asp Auxiliary ventilation air exchange kee l Preconditioning Period 10 el days 0 Natural ventilation air exchange Simulation Options Output Options Estimated results file size 7 3Mb 0 Baseline Model Simulation This step will automatically run a full annual simulation for the 0 baseline model ASHRAE 90 1 App G PRM Navigator Page 75 ASHRAE 90 1 App G PRM Navigator os Full PRM Simulation This step will run a full annual simulation for the proposed and all four baseline models The user is required to set up data relating to the proposed simulation The four baseline simulati
132. uping schemes amp also create corresponding thermal templates The group name amp thermal template name must match in order for the space classification step to work correctly Custom templates should be created prior to activating the space classification command Custom templates must be manually assigned to the custom grouping schemes See steps below 1 Add custom groups to ASHRAE 90 1 space by space prototype grouping scheme Ss z 901 Space by space method IP 1l sPACE Manufacturing Low bay 25 ft Floora L JB SPACE Museum General exhibition LIBE SPACE Museum Restoration Lll SPACE office Enclosed LIB SPACE Office Open plan LIBE SPACE Parking garage Garage area LB SPACE Post office Sorting area LB SPACE Religious buildings Fellowship hall LIE SPACE Religious buildings Workship pulpit LIE SPACE Restrooms LB SPACE Retail Mall concourse EI SPACE Retail Sales area CI SPACE Sports arena Court sports area LIBI SPACE Sports arena Indoor playing field are LIBE SPACE Sports arena Ring sports area LI SPACE Stairs Active LIBE SPACE Transportation Air Train Bus Bagi LIBE SPACE Transportation Airport Concourse L JB SPACE Transportation Terminal Ticket cou LB SPACE warehouse Fine material storage L JE SPACE warehouse Medium Bulky material LB SPACE workshop El SPACE Void Plenum DACE Elewako 4 Li Lal
133. vigators Preliminary Data Setup LI cz Envelope Thermo physical Properties E Ranam Zone Thermal Template Data 0 x LJ d Vy L OOOO D Space classification Internal Heat Gains Equipment People Lighting el LJ ASHRAE 62 1 Parameters C2 Air Exchange Outside air ventilation rate simple HE Infiltration OT Other End Uses Exterior Lighting 200 Elevators 2200C Service Hot Water OT C HYAE Systems L Other Input Data LI Generate Baseline O Sizing Runs LI CP Simulations LI Cost LI Results LI Figure 30 Room Zone Thermal Template Data Sub categories and Tasks This navigator stage consists of a number of sub steps that take the user through assigning thermal template information to the Proposed amp baseline models ASHRAE 90 1 App G PRM Navigator Page 35 ASHRAE 90 1 App G PRM Navigator Space Classification This step assigns building thermal template information to the proposed model based on the selected thermal template scheme i e the Building area method or Space by space method This step is closely linked to the Room zone Group Assignment step Therefore all spaces in the model must first be assigned to the appropriate groups in either the BLDG or SPACE grouping schemes This can be done manually or with tools provided in the Room zone Group Assignment step This step essential performs a global assignment of thermal temp
134. w Model input parameter HVAC Descmi n Primary HVAC system Other HVAC system Fan supply power Fan power Economiser control Demand control ventilation Unitary equip cooling efficiency Unitary equip heating efficiency Chiller Chilled water loop and pump Boiler Hot water loop and pump Cooling tower Condenser water loop and pump Fossil Fuel Gas 2 Speed VAVWRH None 3900 cfm Dy Bulb None None None 5 1 EWC 22 w gpm Fossil Fuel Gas 42 54 kw 193w apm 2 Speed Cost Savings Summary Table 1 8 2 b Table 1 8 2 b the cost savings summary table is presented 7 e ENVIRONMENTAL SOLUTIONS LTD 1 8 2 b Energy Cost amp Consumption by energy Type PRM Compliance Energy Type Units Proposed Design Baseline Design Percent Savings Energy Use Cost Energy Use Cost Energy Use Cost Electricity kBtu 184 737 47 62 995 48 176 679 01 60 247 54 4 56 4 56 Gas kBtu 116 267 03 10 231 50 124 965 21 10 996 94 6 96 6 96 Subtotal Model Outputs 301 004 50 73 220 98 301 644 21 71 244 48 0 21 2 78 On site Renewable Energy Energy Renewable Narrative Generated Energy Cost S kBtu Photovoltaic Panels 0 00 0 00 Genersted from source Wind Power 0 00 0 00 Genersted from source Combined Heat and Power 0 00 0 00 Genersted from source Solar Water Hesting 0 00 0 00 Genersted from source Exceptional Calculations Energy Cost Narrative Savings Savings Summary Units Proposed Design Baseline
135. y are supplied by This step is not essential but it will make it quicker and easier to assign rooms to their required HVAC systems later on SR 1 Air Handling Units Model The prototype data also contains additional grouping schemes that may be relevant to the users project needs The Word Search Grouping tool is used to place rooms thermal zones into room groups 9f IES lt VE gt Room Group Selection Rules Rules list ES Manual selection Ga Copy rule E By thermal template c X gt a threshold value Qui Edit rule E x AMD gt than threshold values For each more than a number of occupied hours E x gt threshold For mare than of occupied hours e c Actual v Motional Comparison QF cIBSE ADL2A 5 K CIBSE ADL2A 1 um 2025 150 7730 ASHRAE 55 DEI amp Actual v Notional Comparison 150 7730 ASHRAE 55 e X 2 threshold For mare than of occupied hours Selected rule description Description Create a room group of the currently selected rooms Group 0 Selected Group 1 Unselected Rule applies to all rooms in the current model from current rule gm Create grouping scheme Figure 21 Room Group Selection Rules Dialog Box ASHRAE 90 1 App G PRM Navigator Page 24 ASHRAE 90 1 App G PRM Navigator The grouping schemes that exist in the project must be extracted into the room group creator by selecting extract

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