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BERS Pro v4.1 User`s Manual

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1. oocccocccocnoconcconocococonnonononanocnnnonnnonnnoncnonnnnnnrnnnnnonanenans 56 a e os 57 Natural add 57 A A N 57 Forced Air Wiovement Using Ceiling eds 57 Mechanical VEO ss 57 Overshado wing Dr Ostia es 59 MONN O dE ac 60 Mathematical Basis of BERS ccccccccccccececeeeeeeeene cece eeseeeeeeeeseeesaeeseeeseueeeeeeseeeseeseueeseeeseeeseeeseeesages 60 ooo E 61 OM o 61 Climate file Comfort SettingS oooccccccncoccnccccncnncnonnnnnonononnnnonnrnonnrnnnnnnnnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 61 Detailed Description of Building ElemMentS coocccocncconccocccccnnccncnononnconncnnnnnnnnnnonnnnnrnnnrnnnnnnonnnoncnnnrnnnanes 63 SCRATCH E mile 63 ez E ER E E a E aE RA E E E e a 64 Star PANG ec askoa aaa aae aaa aE E E EE EE EEA E EE E E EE AE aE AE A aE Eae a 64 ANS se E AE T apo tee is ace es 65 TEMPE IMSS aa 67 Select the zone to be displayed coooccccccncoccnccccncnncnconnnonnononnnnnononnnnnnonnrnnnnrnnnnnnnnnrnnnnrnnnnnnnnnrnnnnnnnnns 68 Time period to be displaye ooocccocccocnoconoconccncncnononanonononnnnonnnonnnonnnnnnrnnnnnonnnnrnnnnnrnnnnnonanernnnrnnnenanos 68 A eee re eter 68 TEMPA O DINSA RARA ARA AA A AAA AAA PA 69 TSI MIO Vea UVES ANS COI AMS AAA AAA AAA ARA cea A A 70 SAS gt rete aia mc Oi A 71 SOM OM UO WS arna renes eee oceeeeae aoe eee eee ee E A E 72 Thermaland Optical Deimons a 73 A ac nwa es oes ee eee pee eee 73 U value or
2. cccccccccceccseeceeeseeeneeceeeseeeeeeeeeeseeeseeeeeeseeeseeseeeseeseesaueseeeseeeaueteeeneeegueeeeenaes 40 Ee AEE E E E EE EA AA EAEN EAEE E E E EA EAA E E EEN E 41 EE S A RE NAN ANARA NA EAE NAN AA ANNARA EAE AEN AEA A EAE AE ENAA E E EAE EEE OEE 41 aena EAE l EEPE E E A E A AA DAIA A I E E AEE I E E E E 42 Parniion wall DEIWEEN ZOMCS iterativo abba 42 XCM aU OO EE IIE E PIE E E E A tv E E taa 44 A ettlas 44 Floor type floor covering and inSulatiON occoonccnncocncoccconcnconanonanoncnnnronanonnonnnonnnoncnnnronnnonrnnarenanennnnanos 45 Calin STW SIT re EE S 46 Ceiling type floor covering and insulatiON ooccccccnccccnccncnccnnnccnononnnnonnnnconnnnnnnnonnnnnnnnnonnnnnnnnnonnnnnnns 46 macs co A e PP Sata ata eteasantia aetna iin ara aseinatie date ain ea eeiniatic dae ceateeaeetakate 47 CTIA VO FOO e o 48 celino ty A A Gata aa Sainte ata atin natin e 48 DODE Boe ae EE ee ee ee ee meee oe 49 O18 ic Os Go Mame nner mer nS Rance E eet A ee ee en ee ee ee ce ee 49 FMV Mirae eaten A PCE PEO A eee erate ee ee ate cee eta eee cee eee letet ot 50 POON ly De AlCl GUI ANNO his vaca RE PE a PEC UC PO cad mM ama camaitealakatag 50 AAPP eC eB Dee ee Oe ee ee ae E E eee Dee ee eee ee eee ee oes 50 gt 2 O PE eee eR Renee eC ee ee ee ee ee ee ee eee ee ee ee eee nee ees 51 ROO Space Venta lOs 51 Glazing and Fran a 53 Se yA ene Inet ne Pree ene eee ene ene ene 56 Modelling zones extending Over two levels
3. Clerestory Windows Y Clerestory Windows ia IN These are high set vertical windows The Clerestory Window option allows windows to be modelled in internal walls which become external walls towards the top or where no wall exists below the window The extra bit of wall containing the glazing is also modelled CanurinahtCalar annin DAAT Copyright Solar Logic 200 J J J BERS Pro V4 1 Users Manual Page 55 Skylight 1 for Zone 6 Furnishing Eaves Offset MAS N et E xk Wall Area Skylight 1 for Zone 6 There are some limitation to the properties assigned to clerestory windows compared to normal windows The eave information is not derived from the eaves plan so it must be entered by the user External shading devices can not be modelled The net wall area is the total area of this external wall minus the clerestory window area Wall properties are considered to be the same as the default wall properties See the window section for an explanation of the other properties The Custom Window selection is the same as for normal windows Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 56 Stair Well al Stair wells provide ventilation between different levels of the building Stairs can only be added if there is a zone below where the target zone is clicked Stair or Void 1 from Zone 10 to 2 isn The available area is the common area between the 2 zones minus any area alread
4. E Timber Glass Single Glazed Clear Vis Trans 0 89 a Panes 1 10 20 30 40 50 E0 70 80 90 0 i 20 30 40 50 60 70 80 90 Angle of Incidence Angle of Incidence Selecting a window Open the Brand drop down list Brand Generics Bradnams Windows amp Doors Breezway Louvre Windows Canterbury Windows and Doors Christotfel Crane Aluminium Systems Dowell Windows Everglaze Industries G James Glass amp Aluminium Generics Generics 3 mm clear reflective blind Generics Applied film on 3 mm clear Generica rmorcoat film on 3 mm clear Generica Panorama film on 3 mm clear Generics Solar Gard film on 3 mm clear Selecting a brand will open the Product listing for that company GGG 05 001a 66 05 0023 GGG 05 003a AAA GA 05 D04a SMA A 05 005a GGG 05 006a GGG 05 007a GGG 05 008a I gt x Data relating to glass frame and the total window is displayed Copyright Solar Logic 2007 Mar All Min 000 y 19 Min 0 00 y Page 35 BERS Pro V4 1 Users Manual Page 36 U Value 5 46 SHGC 0 84 Vision Fraction 0 85 U Value 3 00 CEN since Glazed Clear Vis Trans 0 89 U alue 5 88 Ho Panes i UY Trans 0 68 SC E Solar Transmittance and Absorptance curves are displayed O i0 20 30 40 50 60 70 80 30 O 10 20 30 40 50 60 70 80 90 Angle of Incidente Angle of Incidence al The Search button finds all products with similar properties either fro
5. Delete a node or element x Nodes internal wall windows and doors can be deleted by highlighting the node and clicking on the delete button BERS Pro V4 1 Users Manual Page 26 Creating a New Zone E Each room of the building should be drawn as a separate zone e Ensuite bathrooms can be included in with a bedroom zone Zoning affects the calculation of air flows from natural ventilation Rooms separated by walls should not be combined into one zone if by doing so the cross ventilation potential is artificially enhanced Zone Characteristics Hew Zone Number 3 Type Living Heat Cool df Au Flow When a new zone is first drawn it is automatically given a new name and representational colour based on its type The zone name can be edited at this stage or later in the Zone Elements screen NN The colour can be changed by clicking on the tile Basic colors ai Sey eee ess mE Fe e fe ee A ENE EEE ee EE EEE Ee ft fF Bj Custom colors Hue 153 Red 137 BEEEEE HE Sat JEZ Greer 1146 Color solid Lur 152 Ble 186 Add to Custom Colors The type of zone determines how heating cooling and internal heating loads are calculated Each zone can be simulated in one of two modes conditioned or free running Heat Cool Iw Iw This can be changed later with the B button In Rating Mode the heating and cooling calculation modes should not be changed from the defaults assigned by the program Copyrig
6. Solar Logic BERS Pro Ea lx Project Hame Bribie i PC 4825 Climate File climat39 TAT HERE Bin H 307 127 RECABAR Pl Re o fh ae se E E E Ff 10 711 12 13 14 15 16 1f 18 19 20 21 22 24 24 25 26 27 26 29 SO 51 32 35 354 395 36 Level 2 Level 1 M a j Te Zone 9 Wet rea 2 FMAMJJASORNOD EN Horizontal Louvres Horizontal Blades Table of Contents MEO COG Oi cteescte cere aire creer ctet eee A 4 Wiiat TNE Program tS Sei cee tece tte ut ut cute cu eecueuc cacuteeutaeutice utes cue cueuceentueu tea teeeut eet tetuteabeasteenaes 4 O IC gt eee es eee ee eee eee eee ete ee ene ee ee ee ee ee ee ee ee 4 FEAOG e eee nee etter eat o en ene et nee ee te te et et te ene re 4 NA E e 4 o 4 so 5 A a 5 PSO ON O 5 os 5 SANA 5 Processor An 5 MOMO cites PRI PCR OO CN EE PERO advan ia avn ae bain arses dope A E E A E a 5 A o A 5 Installing BERS Pro from a CDo ooooccocncnncnnnconccncnoncnnconnconncnnnnnonnnnnnrnnnrnn nro nn rnrnrrnnrnnnnnnnnnnnnrrrnrnrnnnnnanerarinnninns 6 Directory StrUCTULE coooncccccnccccnccocnncnnncnnnnnnnnnnnnnnnn eee 6 WV CNG nose as cardsansnen aco aiane decane yandnaganaeauaaabasanssansaenandaanaaasasanesandaeiananauaadeasanesnnanesanananaaanasanesandacinanaausadeaaaninanse 7 ENC CHG Ol Cl alls xia seiso aac dynadtaadneaaiaaayaadsauaaanasansandaeiaasaanaaaasanssananenanananaaanasanesandnenaassauaaanaaanssanaseqaaanananaeanas 7 10110 ACSA 7 Licence Has A strn tnnEn rr SrEnEn r
7. Units are m2K W Bulk materials have R values proportional to their thickness R d k where kis conductivity d is thickness The R value for air gaps varies in a non linear way with distance U value or Thermal Transmittance This is calculated as the reciprocal of the total resistance Transmittance has the same units as conductance but conductance is calculated surface to surface while transmittance is calculated from internal air film to external air film SHGC The Solar Heat Gain Coefficient is the fraction of solar energy incident on a window that is ultimately converted to heat entering into the room Solar radiation passing through the glass is absorbed by the room and converted to heat Some of the radiation absorbed by the glass is transferred as heat into the room Sun B 4 eng id N x ts are rt a E e e 8 transmission o S a bsorption reflection as SS conduction conduction a convection convection e radiation radiation Material capacitance and resistance properties The following thermal capacitance and resistance values are used by the CSIRO thermal simulation engine e Resistances and capacitances listed are for a material thickness of 1 0 m e The actual resistance and capacitance of the material used in a construction is the product of its thickness and the value in the table Index Name Capacitance Resistance a 17 17 60 8 Carpet underlay rubber 4709 1250 9 Carpet 10 f
8. a ES ait T h A anma REFER TO DETAL D T A i JOINERY UNIT ml OOP STUDY LIVING DINING Lel i LING LING LING ATT 7 10 ws j THAR La FER TO PETAL D anen ete TE unr ECHA jpeg STUDY LIVING DINING re i LING LING E Adjusting image size and position Magnification 1 EJ El E El The bitmap image will be imported at a scale of 1 1 1 2 3 4 5 6 E 5 a 10 11 1 DUL ei r A a r EEH The scale of the bitmap usually exceeds that of the program drawing resolution of between 20 to 80 pixels m Selecting a a picture scale magnification using the radio buttons can save time if the scaling is known to be one of those listed C y 0 1667 C w025 l 05 le y ee If the scale is unknown then move the red arrow to a section of the plan where a dimension is included B El IQ Irn VA 1 lleare Mania gt a DEMO Fro V4 1 Users Manual ago Make this dimension as large as possible for the best accuracy Check the scale on a different part of the plan to make sure the scan was not distorted Magnification 0 256 2 REF R TO DETAIL D on asia JOINER UN TO DETAL IA lr It can be useful to align the positioning of the picture with the grid to which the zone shapes will conform before tracing zones The picture position can be adjusted using the X and Y sliders 4 ia Um These position offsets as well as the magnification can be sav
9. 55 0 15 13 11 0 32 0 32 0 60 0 06 0 52 255 0 08 0 60 l3 12 0 28 0 60 0 40 wag 59 0 18 0 71 0 42 13 13 0 43 0 69 0 20 53 36 0 43 0 59 0 28 13 14 0 48 0 62 0 27 60 32 0 54 0 53 0 29 13 15 0 67 0 27 0 45 57 09 0 76 0 37 0 29 C Shielding factor 1 14 0 57 CECCCCCCCCCCCCCCCCCECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCECCCCCCCCCCCCCCOCCCCCCCCCCCCCCCCCCCE C Ground model data C Ground refl sog area perin wall thick conductance diffusivity edge insul condi 1 15 O 2 325 a O 2 1 5 4 6 0 00 571 12 0 57 0 45 34 0 60 0 25 0 oo co oc PER rP PRP PRE 0 a 0 a 0 0 0 0 The column and row give the location of the cursor Copyright Solar Logic 2007 Simulate This runs the thermal simulation engine The speed depends on the computer and the complexity of the building design CALCULAT IONS CALCULAT I ONS CALCULAT I ONS CALCULATIONS CALCULAT IONS CALCULATIONS CALCULATIONS AccuRate Engine Versi on 2 11 CALCULATIONS IN PROGRESS PLEASE WAIT Developed with funding support from the fustralian State and Territory Governments through the Energy Efficiency Working Group of the Ministerial Council on Energy KXEKKEEK EE 3E 3e 3E 3E 36 3E 3E 3E COMPLETED COMPLETED COMPLETED COMPLETED COMPLETED COMPLETED COMPLETED COMPLETED COMPLETED The results are displayed in the Analysis window Star Panel This panel contains the Simulate and Analysis buttons as well disp
10. applies between midnight and 7 00 am and the higher 18 C between 8 00 am and 4 00 pm Name State Heating C Heating C Cooling C Sleeping Living 6 jAlice Springs NT t5orig 20 265 26 0 26 0 26 0 25 5 11 25 0 12 25 0 25 0 24 0 25 0 25 0 25 5 24 5 19 27 0 25 0 24 0 23 0 23 22 5 24 24 0 25 23 0 26 23 0 27 25 0 24 5 29 26 0 30 27 5 31 26 5 32 26 5 33 27 0 34 26 5 35 26 0 36 26 0 37 27 0 38 27 0 39 27 0 40 28 0 41 27 5 28 0 43 27 0 44 26 0 45 26 0 46 26 5 47 24 5 25 0 49 24 5 50 25 0 51 25 5 52 25 0 53 24 5 54 25 0 55 24 0 56 24 5 57 23 5 58 23 5 59 23 0 24 0 61 23 5 24 0 23 0 64 23 0 65 23 0 66 Ballarat VIC_ 150r18 20 23 5 23 0 68 Launceston_ TAS 150ri8 20 285 69 Thredoo NSW t5ortg 20 235 BERS Pro V4 1 Users Manual Page 63 Detailed Description of Building Elements This screen can be used to check what has been modelled in the building Most building elements are described in detail Building Details Location PC Lat Long Climate File THE GAP 4525 1 60 135 20 climat39 TxT Page Top 37 East of North Conditioned Area 233 0 m7 Unconditioned Area 65 5 m Total Floor Area 163 5 m Total Window rea 71 1 m Glass to Floor Area 19 6 Zone 1 Living Area on Level 1 Living 1 Air Movement No insect screens Mo draught seals Mo chimney Wo gas heater 0 Wall vents 0 Exhaust fans and O Dowmlights No mechanical ventilation Eloor
11. the boundaries of which are Top Absolute moisture content 12 g kg Bottom Absolute moisture content 0 g kg normally it is 4 g kg but AccuRate will not invoke cooling merely because the air is too dry Right ET line based on Cooling Thermostat 2 5 degrees Left Not relevant 2 If at the end of the hour the zone condition without cooling or ventilation is outside the comfort region ventilation is switched on i e windows and other openings in this zone are opened if the zone temperature is above the outdoor air temperature The new zone temperature is calculated and an indoor air speed is estimated If the indoor air speed is above 0 2 m s the comfort region described above is extended in two ways the top boundary becomes the 90 RH line and the right boundary becomes an ET line based on Cooling Thermostat 2 5 dT where dT 6 v 0 2 1 6 v 0 2 where v is the indoor air speed m s 3 If the zone condition is still outside the extended comfort region the zone openings are closed and sufficient cooling is applied so that the zone temperature at the end of the hour is the cooling thermostat setting Note that the cooling calculations include a model of a residential air conditioner cooling coil so that dehumidification occurs when cooling is invoked The dehumidification energy is reported as the latent cooling energy Climate file comfort settings The lower value for the heating of sleeping zones 15 C
12. 21 6 Longitude 135 2 Climate File climat39 TXT Climate File climat38 TXT C climat39 TXT climat38 TXT a Climate File Location Climate File Location Mt Isa Mt Isa Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 18 Location From Town Name Hame i ry Climate file selection is based on location name Where more than one location with this name is available the correct Post code must be selected Clicking on the Post Code will display a red dot on the location map In some cases the area covered by the Post Code is quite large and more than one climate type exists within its boundaries In this case the most suitable climate file may be selected with the radio buttons The location from which the climatic data was obtained is displayed at the bottom of the window Climate Data Mean monthly maximum temperature minimum temperature solar radiation and humidity for the current climate file can be calculated and displayed climat39 TAT JFMAM dS J FSO D JFMAMJJASOND Display Data in Tabular Form Print the Graphs Copyright Solar Logic 2007 DERC Dra VA 4 I leare Mania Dana 4c BERS Pro V4 1 Users Manual Page 19 Defaults DEF Default properties are used when modelling zones so that only exceptions to these properties need be selected and changed e Defaults can be made to apply to the whole building or can be set for each level e Properties of the building elements can be assig
13. 8 fone 4 Through Wall 3 Zone 6 al Fov x cel 2 52 m Editing A door whose properties are to be edited must have its node selected with the cursor by clicking with the right hand mouse button Door nodes can be selected with the cursor by clicking with the left hand mouse button e The selected node will be highlighted by changing colour e Highlighted nodes can be dragged to a new position x To delete a door click on the door node and press the Delete a Node or Element button Modelling a zone with a mix of slab on ground and elevated floor e Divide the room where the floor changes from on ground to elevated e Draw the room as two zones with different floor types e Add an opening between the zones having the same area as the partition between them Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 39 External Wall External walls are created when a zone Is drawn e To inspect or edit the properties of a wall right click on the wall e To move anode left click the node and drag it to its new position e To move a wall or several sections of wall first use the Shift Key to select each node to be moved Drag the wall sections to the new position e To delete a wall click on a node at that is on the anticlockwise end of the wall to be eliminated and press the Delete a Node or Element button External Wall 1 of Zone 2 Liv Kitchen 1 Brick Veneer Foil Reflective One Side Anti glare Othe
14. Area Covering Type Insulation Under Floor 54 00 80 20 Carpet Ceramic Concrete Slab on Ground Wo Insulation Ceiling rea Slope Type Insulation Roo fspace 54 00 O Plasterboard Mo Insulation Another apartment above ceiling Internal Wall Length Height Area Type Insulation Wall 1 2 00 40 4 80 Cavity Panel mm gap Wo Insulation Wall z 00 40 4 50 Cavity Panel TSum gap Ho Insulation Partition Wall Adj2 Length Height rea Type Insulation Wall 5 Z 5 00 40 10 42 Cavity Panel 5mm gap No Insulation Refresh the screen if changes have been made This report can be printed SCRATCH File This is the file that the BERS front end writes to the simulation engine It will not mean anything to most users and is only used for diagnostic purposes C BERS41 SCRATCH w OK Column 20 Row 44 C Data type l Project data C 1 4 06 2006 0000000000000 C 1BER5411 Data Climate climat01 TxT 3 12 5 130 8 142 5 4 1C BERS41 data windowdatas ALLWINDOWS BUG 7 output txt J C BERS41 tenperature Bribiez TEM 1 10 energy txt 1 11 airflow txt ICCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCEC C Basic data for ventilation modelling and numerics E MaxItY MaxIYI Conv Y Conv I UrfY RungeK MaxItT ConvT WMaxIte Con l 12 100 100 0 00100 0 01000 0 20 5 100 0 10000 100 O 0010 IC Cp data 13 0 31 0 65 0 28 0 39 0 75 13 9 0 64 0 47 0 29 0 54 0 51 13 10 0 56 0 35 0 30 0 61 0 02 49
15. Roof for Zone 2 Liv Kitchen 1 Insulation Dark l Medium Light Root Shape i Roofspace Yentilation Colour Rtu 0 23 Roof type and insulation Roof Type Roof Insulation Slope Slope 45 Deg The roof slope can be determined by dragging the node or entering the value of the slope angle as degrees in the slope field This determines the area of the roof and the volume of the roof space Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 51 Shape The roof shape determines the area of the roof and the volume of the roof space Roof Shape fe Hip Hip and Gable Gable both ends Skillion Hip Roof gt Hip roofs minimize roof area and roof space volume Gable Roof The triangular ends are assumed to have similar thermal properties to the roof Hip Gable Roof lt The triangular end is assumed to have similar thermal properties to the roof Skillion Roof The triangular ends and the rectangle above the ceiling line are assumed to have similar thermal properties to the roof Roof space ventilation Roofspace Yentilation C Unvented Cavity C Wentilated Cavity Highly ventilated Cavit C Unvented no Cavity iC Neighbour no Root Unvented indicates that no specific ventilation openings are provided Ventilated indicates that purpose built ventilation openings are provided Highly Ventilated indicate
16. all have a BER extension They are contained in the HOUSE subdirectory Open BERS House File Look ir gt House 5 Base 2 Z onel BER 2 Bribie2 BER My Recent simple4Zone1 BER Documents Type BER File Cate Modified 7 06 2006 5 34 PM Size 16 8 KE My Documents My Computer hy Network File name Base 2 Zonel BER Places Files of type BERS House Files BER Cancel Ag Projects can be saved in any directory The default directory is the HOUSE subdirectory File names are determined by the project name and run number and can not be changed here To change the file name first change the project name in the Project Details screen Save BERS House File Save ln E House hal m B Base 2 Zone1 BER i Bribie2 BER My Recent Simple4Zone1 BER Documents 3 Type BER File Date Modified 7 06 2006 5 34 PM Desktop Size 16 8 KB hy Documents My Computer gt File name Erbie2 BER i gave Cancel My Network Save az type BERS HousgFiles BER Places H Projects can be quickly saved in the HOUSE subdirectory without having to negotiate the Save dialog screen However there is no checking to see if the user wants to replace any existing file with the same name Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 14 Project Details Chent Details BrickBit Builders Fi Ala o7 25986354 Fam 0725986354 Emal bbb powerup com P 0 Box 4563 C
17. as well as useful thermal mass to stabilise air temperatures within the building e Inwarm climates the cooler ground below the floor can serve as a useful heat sink in summer if no carpet or insulation reduces heat flow e In cold climates it is useful to insulate the floor to reduce this heat loss from the building External Floor of fone 2 Liv Kitchen 1 Tsao Une Fo Space Height 500 mm F 1500 1000 fe B00 Carpet and Underlay Bulk Insulation in Contact Unan with Floor eset Suspended T imber Floor Bulk R Yalue 1 0 Gz 3 Ru 0 54 Ru 1 00 Rd 1 00 Rtu 1 54 UAu 2348 Area 40 00 td 1 54 UAd 23 48 ones Sharing the Same Floor Space Combine Separate Living 1 e ET Living Liv Kitchen 1 Living Kitchen Wet Area 1 m T Wel Area Sleeping 1 m i Sleeping Corridor 1 f Corridor Sleeping 2 W P Sleeping Garage 1 M Garage Under floor space Floor spaces are automatically created when no other zone exists below all or part of the floor of a zone Zones that share common floor spaces must be grouped together This includes slab on ground floors ones Sharing the Same Floor Space Combine Separate 1 Living ia El Living 2 Liv Eitchen 1 E Living Kitchen 3 Wet Area 1 jw Wet Area 4 Sleeping 1 ia Sleeping 5 Coridor 1 Fi Corridor 6 Sleeping 2 ira E Sleeping Garage 1 r Garage Elevated floors require input of the average under floor height to determine the volume requir
18. stabilize the extremes in internal air temperature Light weight timber floors don t offer this potential Internal Ceiling of Zone Z Liv Kitchen 1 Timber Above Plasterboard No Insulation Ru 0 15 Rd 0260 A OS Rtu 0 41 UAu 49 30 rea 28 00 Rid 0 45 UAd 45 83 Ceiling type floor covering and insulation Ceiling Type e The floor cover properties are those of the floor above e The R value displayed in the Type panel is for the ceiling without any airspaces or floor covering e The R value of air spaces and insulation is displayed in the Insulation panel Rtu 0 41 UAu 14 52 Area 8 25 Rtd 0 45 UAd 13 50 The thermal resistance transmittance and area of the internal ceiling is also displayed Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 47 Internal Floor Covering el Floor coverings reduce heat flow into and through floors Internal floor coverings reduce the ability of mass floors to stabilise internal temperature fluctuations Internal Floor Cover of Zone 2 Es Fil 1 e 2 x cancel The internal floor gets its general properties from the ceiling below but the floor coverings are selected from this screen 2 Floor Covering II O EEEE RS RULEA LLS ABLA GUE AAI LALA ELL gt A SSS OO A eee o RIA Daaah eed o ARA See een CET ES AAA AAA LLL Er A LLL LL Pune A US UA Y Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 48 Ceiling t
19. Bar The status bar at the bottom of the screen will display information such as the name of the file just opened the zone name and area and curser position Opened Assessor CA BERS411ScheduleWBill Winter 455 Zone rea 79 0 m2 2348 Y 120 and identify the object selected Window 3 of Wall 2 of Zone 6 Starting a Project from Scratch The following sequence should be followed when starting a new project Lal al ay Press the New File button This will delete all currently entered information and restore the defaults Press the Project Details button Enter the Project Name and Run Number and any other information you may require on output files Press the Location button Select a location by Name or Post Code and and nominate the wind shielding of the site cere Starting with the bottom level information about the building should now be entered DEF eB ea 4 LL il pa Bei LY ET e Default properties for all building elements are selected so that only exceptions to these properties for any particular building element need be changed The default properties can be set to be different for each level Plans can be imported and scaled so that zones can be drawn on top of the drawing Snap to the pode OK nearest OK 1 mile f 20 pixels 100 mm 40 pixels amm 60 pixels f 300 mim 80 pixels f 1000 mm Select an appropriate scale and snap to setting Each room of the building shou
20. IN Latitude 12 5 Wind Shielding Innercity environment r Hide Cities 800 Longitude 130 8 AlClmates climat01 TXT Only Post Code Coordinates currently available Darwin Wind Shielding Unner city environment Ho obstructions 4 few obstructons Suburban environment Innercity environment CBD environment es curently availabl The Wind Shielding combo box is used to modify the outdoor wind speed data usually measured at an airport to something closer to what would actually exist around the building PA Name Climate file selection is based on Location name Al f EAtE Climate file selection is based on Post Code al a Display the average monthly climatic data as histograms Location From Postcode Al ESU EGEE The Post Code can be entered using this screen or by entering the name of the location There will be more than one location with this Post Code so the correct name must be selected This will produce a red dot on the location map In some cases the area covered by the Post Code is quite large and more than one climate type exists within its boundaries In this case the most suitable climate file may be selected with the radio buttons The location from which the climatic data was obtained is displayed at the bottom of the window Location from Post Code ss 14825 i Location from Mame Location Names THE GAP Location Post Code Post Code 4825 Latitude 21 6 Longitude 139 2 Latitude
21. N BY SOLAR LOGIC OR A SOLAR LOGIC AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF THIS WARRANTY LIMITATION OF LIABILITY SOLAR LOGIC AND ITS LICENSORS ARE NOT LIABLE FOR ANY CLAIMS OR DAMAGES WHATSOEVER INCLUDING PROPERTY DAMAGE PERSONAL INJURY INTELLECTUAL PROPERTY INFRINGEMENT LOSS OF PROFITS OR INTERRUPTION OF BUSINESS OR FOR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES HOWEVER CAUSED WHETHER ARISING OUT OF BREACH OF WARRANTY CONTRACT TORT INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE Building Energy Rating Scheme C Solar Log
22. Project Name Run Number Location THE GAP sudon kara Post Code The climate file name can only be changed by changing the location Name or the location Post Code The orientation of the site plan can be changed by clicking in the circle and dragging the North arrow to a new position or by entering the page up orientation into the edit box Copyright Solar Logic 2007 U O 0 lal New File A new BERS project will be created B Open File This opens a previously saved project H Save File BERS projects are saved in the HOUSE subdirectory all Save File As BERS projects are saved in the nominated location Project Details can be entered as well as the project file name The location selection determines the climate file used for the simulation Import a Plan Hides background plan Same as x in the background image screen Help and Information gt ose 8 ED E Tools Program add ons that facilitate design or calculations Print the Screen Simulation Mode Each zone can be simulated as conditioned or free running Simulate Edit Mode allows changes to be made to the zones and building elements The nodes are displayed These nodes can be dragged with the mouse The scale of the drawing can be changed from 1m represented by 20 to 80 pixels Drawing of rooms and roofline can be made to snap to a virtual grid of 100 250 500 or 1000mm spacing 20 pix m 900 mm snap The scale and snap setti
23. Solid timber doors that are 2100 mm high and 750 mm wide Elements Elements Only those having default values The top selection applies the changes to all doors The second selection changes only those elements that had the properties displayed in the default element screen before the last changes were made For example if the default door screen showed Hollow core doors and this is changed to Solid timber doors then the second selection would only change the properties of Hollow core doors to Solid timber doors Coovriaht Solar oqic 2007 Copyright Solar Logic 2007 I BERS Pro V4 1 Users Manua DL Importing a background image An image of the plan can be displayed in the background e This image can be scaled and positioned enabling zones to be traced e Different plan images can be displayed for each level of the building e The appropriate plan image will be displayed when levels are changed e Plan images and the display magnification and positioning are automatically saved and retrieved next time the project is opened e The image colour can be changed to provide a more subdued background Background Picture felts il AA oean OA axis 0 25 la Y axis subs im y O toes Magnification 0 208 E 2 2 3 6 T 8 2 TD 11 12 12 34 15 Scanned image A plan can be easily scanned and saved as a bitmap BMP Plans that have been saved as black and white bitmaps can be imported but they can not have th
24. Thermal Transmittance leerse R R R 73 A A E E E A 73 Material capacitance and resistance properties ccccceecceccceeceeeceeeceeceueceeeceeceueceeeceesaeeseeseeesseeseeseeees 74 Problems and IN OVNIS aia 76 MS A eaa E A 76 LICCNEe and Legal IMLONMAUON rren RETE 76 Introduction What The Program Is Used For The BERS Building Energy Rating Scheme computer program is a powerful tool that is used to simulate the thermal performance of Australian houses in climates ranging from Alpine to tropical The star rating that is calculated can be used to show compliance with the thermal regulatory requirements of the Building Code of Australia BCA User Interface e The graphics based data entry interface has been designed to make the process of thermally modelling buildings fast and accurate e Plan images can be imported and displayed in the background e Building elements are automatically dimensioned when drawn by the user with a mouse e Drawing image scales can be varied as well as the snap to grid distance e Information about the building and its environment is selected from graphics screens e Properties and dimensions can be easily checked or changed with a mouse click on the plan e The position of building elements can be easily changed e Help screens are available to guide the inexperienced user e Calculated data is displayed in graphic form as well as being saved as files or documents Features e Multi stor
25. al Page 41 e The R values displayed in the Type panel is for the material of the wall without any airspaces e The R value of air spaces and insulation is displayed in the Insulation panel IT MOQ Irn VA 4 llarnrea DE HS Pp ran V l jcarc VT WOUloO L 80m A 14 03 m Orient 37 Rt 1 14 UA 10 76 Length Area Orientation Total wall R value and Total wall transmittance values are also displayed The thickness of the main part of the wall can be changed by entering a value in mm In a brick veneer wall or a cavity brick wall this dimension would apply to the width of the brick For a log wall this would be the width of the logs Wall contact Beyond the Wall le Air C Shaded Air C Neighbour l Earth e Air normal external wall e Shaded Air wall is in shade at all times e Neighbour this is a party wall to a neighbouring unit e Earth the wall is in contact with the earth such as a cellar wall Height 3000 r arii ro 2550 f 2400 e The height of the wall can be changed by entering a value in the box or selecting the appropriate radio button e This is the height of the external wall as seen from inside the zone A anla Calar ll nnin ONAT pyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 42 Internal Wall PEL aad Sr Internal walls may be a partition wall between two zones interzone wall or a wall within a zone intrazone wall Partition wall between zones Interzone partiti
26. anged to the current default setting Properties of all building elements of the same type can be assigned all or some of the properties selected in the default window Change to Default Default Door Elements of this type will be changed to the current values A You will not be able to undo this step Levels ae z c Apply to all levels Solid timber door x Apply to this level only R 0 25 A 1 58 m UA 3 95 tiopeities mm Width mm Main properties only T j Properties and dimensions i 750 c 100 Elements lt 300 2100 E i J200 2400 e Al elements of this type 1500 2700 E Only those having default values L ES The selection of levels properties and elements are clarified using the door example above Levels Levels Apply to all levels C Apply to this level only The top option applies the default door properties to the whole building If the properties are to apply to more than one but not all levels then it is better to use the fe Copy button in the default door screen change to a new level a to be assigned the same default values and E el Paste the information into the new default screen then press and apply the settings to that level only Properties Properties Main properties only Properties and dimensions In the case of the door example the top selection would change all the doors to Solid timber but retain the original dimensions The second option would turn all the doors into
27. aving the same area as the floor between the levels Modelling a zone with a mix of slab on ground and elevated floor e Divide the room where the floor changes from on ground to elevated e Draw the room as two zones with different floor types e Add an opening between the zones having the same area as the partition between them Eaves Plan al The eaves plan allows the program to calculate the eaves width for each door window and wall This determines the amount of shading Deck roofs and opaque pergolas should be modelled as part of the eaves plan After clicking the Draw Eaves button click the Left Hand mouse button on the drawing grid to create the first node Drag the line to the next point where it changes directions and click again Continue this until the last node is created on top of the first when the eaves outline becomes complete G z z n GE E ied A El oa O BA ed E These nodes can be selected with the cursor by clicking with the left hand mouse button e The selected node will be highlighted by changing colour e Holding down the Shift button allows more than one node to be selected e Highlighted nodes can be dragged to a new position A To delete the eaves highlight one of its nodes and clicking on the delete eves button BERS Pro V4 1 Users Manual Page 29 Windows aj Windows and how they are shaded largely determine the amount of solar radiation entering the building and contributing to i
28. cally calculated eaves width to be overridden when the value entered is greater than 0 This is useful if 2 wndows above each other in the same wall having different overhangs are to be modelled Ranvrinht Calar NAIM DONT Copyright Solar Logic 2007 f BERS Pro V4 1 Users Manual Page 34 Offset a mm Hint When windows are placed exactly on top of each other their images on the plan will cancel making them impossible to see This can be overcome to some extent by offsetting the nodes ll Nodes have been horizontally offset ERE Editing Windows Moving Windows Window nodes can be selected with the cursor by clicking with the left hand mouse button e The selected node will be highlighted by changing colour e Highlighted nodes can be dragged to a new position Changing Properties A window whose properties are to be edited must have its node be selected with the cursor by clicking with the right hand mouse button Deleting Windows x Click on the window node and press the Delete a Node or Element button Custom Windows El Commercially available windows with known characteristics can be selected from a database Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Custom Windows PR 6 G 05 002a Brand Generic 66 05 00 a GGG 05 002a GGG 05 003a GGG 05 0044 GGOG 05 0054 GGG 05 0064 G66 05 007a 66 05 0084 hel U Value SHGC f Manufacturer Max 30 00 oa Mafio y A Window
29. can be added when editing To edit the properties of a Skylight or Clerestory Window high set vertical windows right click in the zone containing the skylight T Elerestory Window To model a true Skylight and not a Clerestory Window box is unchecked Skylight 1 for Zone 6 Rglass Rframe Rt UA Skylight Shaft 1200 mm Width 200 mm Height A00 g a Glazing and Frame ky li 2 ht Ty pe 2 Skylight Frame The thermal properties are displayed as different combinations of glass and frame are selected Copyright Solar Logic 2007 BERS Pro V4 1 Users Manua ES Deo Slope The slope can be determined by dragging the node or entering the value of the slope angle as degrees in the slope field Horizontal skylights have zero slope 352 02 207 gt 127 37 a arefer 282 217 172 Orientation 217 One of 8 orientations is selected by clicking on the appropriate button The position of the button is given relative to the drawing The drawing shows the UP direction of the screen as 37 East of North The actual orientation is displayed on the button Skylight Shaft Length mm 50 Reflectance 50 Insulation A value 1 0 Diffuser Skylight Shaft Enter the length and reflectance of the shaft If insulated enter the R value If a diffuser exists at the bottom of the skylight shaft check the box pi z Skylight characteristics can be copied HE and pasted
30. e black changed to another colour To allow colour change import the black and white bitmap into WINDOWS PAINTBRUSH and save it as a 24 bit colour bitmap TIF files should also be imported into Paintbrush first and then saved as 24 bit colour bitmaps If the image is distorted or rotated then it should be imported into a program such as PHOTOSHOP adjusted and saved PHOTOSHOP won t allow black and white bitmaps to be rotated so the image should first be changed into a 24 bit colour bitmap A Open the BERS41 PLANS directory and display the BMP files Open Bitmap File Look in Plans e e Ed a N D2 bmp Mes SJ Dwelling 1 drawings p11 bmp My Recent 3 Dwelling 2 Drawing p2orS bmp Documents S Dwelling Drawing p2oF4 bmp Paste from clipboard fe Paste the contents of the clipboard as a background image Bitmaps can also be copied onto the clipboard and then pasted into the background For example an AUTOCAD drawing being displayed can be captured onto the clipboard by pressing the Prt Sc keyboard key PDF files can be copied onto the clipboard by displaying in ADOBE ACROBAT and pressing the Prt Sc keyboard key Alternatively they can be imported into a program such as PHOTOSHOP and saved as bitmaps Change colour a The bitmaps can be displayed in a more subdued manner Changing the colour may take several seconds DI PEUR II ML yy ge d MOOO O O 1 EE Hk ed z O A
31. e copyright to the thermal simulation engine used in BERS Pro The BERS Software is owned by Solar Logic Solar Logic grants to the user a nonexclusive licence to use this BERS Software solely for the rating of dwellings and only for the period during which the licence is valid The user may not commercially distribute sublicence resell or otherwise transfer for any consideration or reproduce for any such purposes the BERS software or User s Manual or any other printed or digital material or any modification or derivation thereof either alone or in conjunction with any other product or program THIS BERS SOFTWARE IS PROVIDED TO THE USER AS IS SOLAR LOGIC MAKES NO WARRANTIES EITHER EXPRESS OR IMPLIED WITH RESPECT TO THIS BERS SOFTWARE AND OR ASSOCIATED MATERIALS PROVIDED TO THE USER INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR AGAINST INFRINGEMENT OTHER THAN TO REPLACE ANY DEFECTIVE DISKS SOLAR LOGIC DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR FREE OR THAT DEFECTS IN THE SOFTWARE WILL BE CORRECTED FURTHERMORE SOLAR LOGIC DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OR THE RESULTS OF THE USE OF THE SOFTWARE OR ANY DOCUMENTATION PROVIDED HEREWITH IN TERMS OF THEIR CORRECTNESS ACCURACY RELIABILITY OR OTHERWISE NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVE
32. e file name corresponding to the simulation results are displayed when the history focus is changed kkk 3 The simulation results are displayed as stars Up to 10 stars may be displayed in half star increments BERS Pro V4 1 Users Manual 3 C20 3 H 62 8 T 831 x Copyright Solar Logic 2007 Page 66 A lemon means zero stars Results are also displayed in MJ m The record of the last 10 simulations can be erased The zone button gives information about each zone in the building Alv ox hts 5 x Ea C520 H 20 8 T 728 2 storeyl_1 climati 0 TAT dz 201 167 138 115 a7 2 Mdm 0 0 0 5 1 0 1 5 2 0 2 5 3 0 Stars ilil gt Area Adjustment 1 16 Adjusted Star Rating 3 0 ie one e v Liv Kitchen 1 The up down buitons allow different zones to be selected The Analysis form can be printed Hourly temperatures can be Displayed BERS Pro V4 1 Users Manual Page 67 Temperature Display A Hourly temperatures of any zone can be displayed This temperature profile can be compared with e temperature profiles from other zones of the building e temperature profiles of similar zones from other projects e hourly temperatures from climate files can also be displayed Display Temperature Profiles CABERS41 Data Climate Moa MM climat21 1 T il Sl El I Close Project 1 By Project 2 a Project 3 Ba Project 4 B Bey Pa Climate tile CLIMAT 21 txt CABERS41 Temperature CABERS4 Temperatu
33. ed using the Save button and later Restored EA picture can be returned to the top left hand corner with the Zero button Hiding and restoring the image The background bitmap can be restored winht Qalar amina a T a Y a W A JIWYHAONT oOla Logic 2007 BERS Pro V4 1 Users Manual Page 24 Editing Qu Edit mode is used to allow changes to be made to the zones and building elements Clicking this button hides or displays the nodes which define the position of the walls doors and windows Selecting nodes can display information about the object The position of the nodes can be changed by clicking and dragging as described below UI A IAE Selecting a node Eaves window or door nodes are selected by e Moving the cursor to the node e Click on the node with the left hand mouse button Zone nodes can be selected with the cursor by first e clicking with the left hand mouse button anywhere within the zone containing the node e and then clicking on the node The selected node will change colour Information about the object selected is displayed on the status bar at the bottom of the screen Holding down the Shift button allows more than one node to be selected Holding down the Ctrl button allows the whole zone to be selected Holding down the Alt button allows all zones on that level to be selected Highlighted nodes can be dragged to a new position If several wall nodes are superimposed such as when 2 3 or 4 rooms
34. ed for the ventilation calculation Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 45 Under Floor Space Height 500 mm Yentilation Yen Open Went Area mm m e Enclosed indicates that the only ventilation openings are those required for compliance with building codes see below e Open indicates that additional openings are provided for ventilation e Very Open indicates that the sub floor space is very well ventilated with large openings If the ventilation type is Enclosed then the vent area must be entered as square millimetres per linear metre of the perimeter Floor type floor covering and insulation 26 External Floor E Unit Below Unit Below ae ee tl aatia Sa a Sea Sa E ENA y Mel a a RAS a a rates t a pha Hea A be s a J K de a tat e TAG a PERSO MA NS Foil Reflective Down Antireflective Up Gap to Floor e The R value displayed in the Type panel is for the floor and covering without any airspaces e The R value of air spaces and insulation is displayed in the Insulation panel Rtu 1 54 UAu 23 48 Area 40 00 Rid 1 54 UAd 23 48 The thermal resistance transmittance and area of the floor is also displayed Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 46 Ceiling Between Levels Lal Internal floors or ceilings between levels do not exchange heat directly with the outside Uninsulated and uncarpeted floors with high thermal mass can
35. ed with the up down scroll arrows Dragging with the Right Hand mouse button can be used to change the position of the graph Ranvriqht Salar anin DNN7 Copyright Solar Logic 200 JV y BERS Pro V4 1 Users Manual Page 69 30 al 25 o A a F z E E ii Nae 2 ae 190 191 192 Temperature Bins The hourly zone temperatures can be displayed in bins of one degree increment that give the frequency of a particular temperature occurring in a zone These temperature bins range from lt 10 to gt 36 C The window can be scrolled horizontally to display the complete data set The zones that have been selected for each project can have their temperature distribution compared Temperature Distribution Temperature Ein lt 10 10 11 12 13 14 15 16 17 18 13 20 21 22 23 Pl Bedroom 1 d 283 429 5d 625 596 639 609 5 Z 589 Soo 551 S00 407 357 Pe Bedroom 1 E ff 111 375 562 7240 704 687 693 6 1 660 6758 816 470 407 PS Bedroom 1 o o o 8 315 677 930 565 560 537 590 685 1048 652 S33 y LABERS41A Temperature tempsAZ5inthass Ext Alternatively any temperature data output file can be opened and have the temperatures binned The name of the file that has been selected will be displayed Temperature Distribution ta CABERS414 Temperature da lA cord A tut Number of Hours per Year that the Zone Spends at Each Temperature C BERS41 Temperature tempsk 5intMass txt Tempe
36. elect the zone to be displayed To compare temperature profiles of different zones B open the temperature output files in the Temperature subdirectory Up to 4 projects can be compared at any one time Open Temperature File Look ir C3 Temperature E E rectanglel_Base Design txt a E temps 3ceilins Ext My Recent E tempsi3nolInsulatior Ext Documents E temps O Ext F El tempsR25 txt E tempsR 25IntMass Ext Desktop As each zone is selected the temperature profile will be displayed in a unique colour Project 1 5 CABERS414T emperature tempsAD Ext Outdoor A RumpusF amily E Bedroom 2 Bedroom 3 Clear Delete All All Bathroom E Laundry v x P1 Bedroom 1 Garage Roof Space gt P2 Bedroom 1 Dining Lounge m5 Y gt P3 Bedroom 1 _ E Any curve can be temporarily hidden or displayed using the check box x will delete the curve completely To display it again the zone must be reselected Time period to be displayed Climate file CLIMAT 21 txt Start 10JUL Day Honth Day No ho E 7 E 191 Duration Days _ oi End 16JUL Day No 197 The starting date and the number of days to be displayed can be selected Cold week in winter Hot week in summer Warm Week In winter Cool week in summer Sunny day in March Cloudy day in March Extreme periods can be automatically selected from the drop down list Changing scale The scale of the graph can be chang
37. eltunderlay 10 _ _ o Z ooo 1477 2130 17 Concrete block 90 denseweight core filled 2112 0 069 18 Concrete standard 2400 kg m 21020 069 66 Conpolerete oS y 3290 1280 19 Copper ESC ooo 60 Hollowcore precast concrete panel 150 14784 089 35 Plywood softwood 795 0 7 14 69 Reflectiveblind 000 39 Roof tiles concrete 2tt20 069 68 Windowfim S 00 00 210 Glass fibre batt k 0 044 density 12 kg m3 219 Polyester or polyester wool blanket k 0 063 density 8 kg m3 80 1587 220 Polyester or polyester wool blanket k 0 045 density 16 kg m3 262 Wool polyester batt 80 20 k 0 059 density 8 kg m3 96 1695 263 Wool polyester batt 80 20 k 0 045 density 16 kg m3 Problems and Improvements If the software does not appear to be operating as expected please contact your distributor or Solar Logic Solar Logic is committed to the continual improvement of this product If you have any suggestions of changes or additions you would like see please contact Solar Logic 162 Blackwood St Mitchelton Queensland 4053 Tel 07 3355 2608 email info solarlogic com au web solarlogic com au Intellectual property This manual and the BERS software is the intellectual property of Dr Holger Willrath of Solar Logic Queensland Copyright 2007 This manual may not be copied without the written permission from the copyright holder Licence and Legal Information The CSIRO owns th
38. equires a glass and frame combination to be selected Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 30 e The amount of tinting in the glass determines the amount of sunlight heating up the room This is displayed in 3 columns Clear Light Tint Heavy Tint e The number of layers of glass and any low emittance coatings determine the heat conductance through the glass This is displayed in 5 rows Single Glazed Single Glazed Low E Double Glazed Low E and Opaque e The opaque elements in the bottom row can be used to provide ventilation without incurring solar gains Window Glass Single Glazed Clear The conductance of the frame is determined by the properties of the composite frame materials Generic Custom Custom Windows can be selected by brand name and product Window 1 Wall 1 Zone Living 2 Generic Custom Windows GGG 05 006a Prod OOOO Generics Timber Single Glazed Medium Tint ga ee GGG 05 006a 1 80 m Rglass 0 17 Rframe 0 33 Rt0 193 UA 5 19 SHGC 0 559 The thermal properties of the selected window are displayed Rglass 0 17 Rframe 0 33 Rt0 19 UA 5 19 SHGC 0 55 Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 31 2 Window Style be Sliding Two Lites Opening 50 The Window Style determines the maximum opening possible for ventilation P Penna 30 amp Window Furnishings Ta E Drapes and Pelme
39. ey buildings comprised of many zones can be modelled e Roof lines are drawn by the user enabling eaves widths for walls doors and windows to be automatically calculated e Shading of windows and walls by adjacent walls is automatically calculated e Overshadowing by neighbouring buildings vegetation mountains etc requires the dimensions and location of the obstacle to be entered only once relative to the building e The dimensions of walls doors and windows are displayed as elevations that are scaled to the plan dimensions e Properties can be copied and then pasted to other elements of the same type e User constructed information such as window shading schedules user and client profiles default building properties etc can be saved and then later opened and used for future projects e Ventilation is automatically calculated from the dimensions and location on the plan of windows doors and other openings in combination with the wind data in the climate file Analysis of Data e The thermal performance of a building can be analysed in terms of heating and cooling energy per floor area This is converted to a STAR rating for regulatory compliance e A star rating is also assigned to each zone in the building to allow the user to easily identify which zones are working well and which ones need changes to improve performance e A record of the last 10 simulations is saved and can be easily accessed to assess progress in increasing the per
40. formance of a building The thermal performance of free running buildings can also be assessed Hourly temperatures of any zone for up to 4 projects can be displayed graphically The starting date and duration of a period of interest can be selected for display Hourly temperatures can be automatically selected for the display of extreme periods such as a hot week in summer a cold week in winter etc Any of the 69 climate files can be displayed as hourly temperature graphs as described above e Building element properties such as the R Values U Values Solar Heat Gain Factors graphs of window transmittance and absorptance curves etc are displayed as building elements are selected Simulation Engine The mathematical engine at the heart of the BERS program is the same CSIRO thermal simulation engine used by ACCURATE the benchmark software for the NatHERS scheme ACCURATE is text based and does not have a graphics user interface Software Details BERS Pro V4 1 This software is copyright protected It remains the intellectual property of Dr Holger Willrath The CSIRO owns the copyright to the thermal simulation engine No copies of this software may be distributed by the licencee under any conditions Use of Software This software may only be used for the purpose of assessing the thermal performance of buildings It expressly forbidden to use this software to provide training in the operation of BERS Contact Sola
41. g it to its new position e The wall can not be dragged out of its zone e To delete the wall click on a node at either end of an intrazone internal wall and press the Delete a Node or Element button Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 43 The door and wall dimensions are shown in elevation at the same scale as the plan If the tops of the walls are truncated switch to a smaller scale X lt Cavity Panel Sram Ho Insulation gaf R 016 Wall type and insulation The wall type and insulation databases will be added to as new products become available 2 Internal Wall Type Internal Wall Insulation Cavity Panel 75mm gap e The R values displayed in the Type panel is for the material of the wall without any airspaces e The R value of air spaces and insulation is displayed in the Insulation panel L 50m A 8 85m Orient 90 At 0 28 UA 20 02 Length Area Orientation Total wall R value and Total wall transmittance values are displayed Thickness 110 J The thickness of the main part of the wall in this case the plasterboard can be changed by entering a value in mm Height Wall height can be changed by entering a value in the box or selecting the appropriate radio button Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 44 External Floor Ll The floor to the outside potentially provides a thermal link to the ground
42. ht Solar Logic 2007 BERS Pro V4 1 Users Manual Page 27 Air Flow Clicking the E arrow will open the Air Flow window The air flow data can be edited at this stage or later in the Zone Elements screen Drawing the Zone After clicking the New Zone button click the Left Hand mouse button on the drawing grid to create the first node Drag the line to the next point where it changes directions and click again Continue this until the last node is created on top of the first when the zone becomes complete and assumes a colour similar to the tile T When the zone is complete the elements of that zone ie the walls floor and ceiling are assigned the default values SEMEN If the drawing is unsatisfactory and you wish to stop before the zone is completed click on the delete zone button Xx Editing the Zone f x To add a node to a wall or eaves outline click where the new node is to be located If walls have nodes where there is no change in wall direction or property they will be eliminated after a button click Copyright Solar Logic 2007 x Nodes internal wall windows and doors can be deleted by highlighting the node and clicking on the delete button Pal To delete the zone select a node in the zone and click the delete zone button Modelling zones extending over two levels e Draw the zone e Draw another free running zone of the same floor area directly above the zone e Model a stair well in the top level h
43. ied dimensions and shading schedule Copyright Solar Logic 2007 Simulation Mode B Mathematical Basis of BERS The mathematical thermal simulation program at the heart of the BERS program is the ACCURATE engine This much enhanced version of the engine used in all previous versions of BERS was developed with AGO funding by the CSIRO CSIRO AUSTRALIA The climate data is in the form of hourly values of temperature humidity solar irradiation beam and diffuse wind speed and direction and cloud cover The majority of this data has been collected by the Australian Bureau of Meteorology It has been converted into a useable format under contract to the AGO Bureau of Meteorology Each Australian Post Code has been assigned the data set that most closely approximates its climate Thermal simulation can be undertaken in one of two modes conditioned or free running In Rating Mode the heating and cooling calculation modes should not be changed from the defaults assigned by the program Conditioned Conditioned In a conditioned zone heating and cooling is available to maintain comfort In rating mode all zones of type Living Living Kitchen and Sleeping are heated and cooled to maintain comfort while zones of type Garage Wet Area and Corridor are not Ticking the Heat and or Cool check boxes changes the type of simulation Simulation Mode Conditioned Free Running Zone Name Heat Cool Living 1 Living Ei
44. laying results from previous simulations AAK xX a C703 H 62 6 T ae 2 2 storeyl_1 Y climat10 TXT el E le 2 storeyl_1 climat 0 TXT AAA 2 C20 3 H 62 8 T 831 x Open the Analysis window The history of the last 10 simulations can be examined The last simulation is 1 second last is 2 etc The project name and climate file name corresponding to the simulation results are displayed when the history focus is changed The simulation results are displayed as stars Up to 10 stars may be displayed in half star increments A lemon means zero stars Results are also displayed in MJ m The record of the last 10 simulations can be erased BD D WA VA 4 llanre Alaniini DJANA AR D El 1D P IO V 4 d L JSers ivianua age oo Analysis Simulated projects can have the energy performance of the whole building or of each zone within the building analysed House Zones car The house button gives information about the whole building Analysis kkk 3 x C203 H628 T 83 1 2 storey1_1 climat10_TXT 201 167 138 4115 97 s hsm 000 0 5 1 0 1 5 0 5 3 0 Shares ii gt Area Adjustment 1 16 Adjusted Star Rating 3 0 House All Zones Monthly Cooling Energy Oe eee ae a a eee ee as L l al TFEWANI JAS OND 1 a ai The history of the last 10 simulations can be examined The last simulation is 1 second last is 2 etc 2 storeyl_1 climat10 TAT The project name and climat
45. ld be drawn as a separate zone Ensuite bathrooms can be included in the bedrooms Draw the eaves in a similar way to zones These should be drawn for each level To add windows click the window button and then click on an external wall where the centre of the window is to be located To add doors click the door button and then click on an external wall or a partition where the centre of the door is to be located To add internal walls click the internal wall button and click again inside the target zone where one end of the internal wall is to be anchored Move the cursor and click the mouse button to finish the wall at the other end To add a skylight click on the skylight button and click again inside the target zone where the skylight is to be placed Alternatively right click inside the target zone where a skylight is to be modelled and select the skylight button Stairwells can only be modelled in the zone where the top of the stairs are located Stairwells can not be added to level 1 To add a stairwell click on the stairwell button and click again inside the target zone Save the job and simulate The Analysis screen gives additional information to what is displayed on the star panel Make changes one at a time until the required performance level is attained BERS Pro V4 1 Users Manual Page 13 Project File Management lal A new BERS project will be created B Opens a previously saved project The saved project files
46. let sa Node OF clemen unan ta 25 orean a NEW ZONE ra a a a as 26 Zone Gr gfe e Le lens iC e Nr PN Nr Ed Nr a 26 PAM OW o eae ta a eta tet ee eeu anata mente nena 27 Drawing WNC ZONE ani ii 27 Edit MO ZONO aci 27 Modelling zones extending Over two levels cooocccocccccncooncoococncnnnnncnononnnonnconnnnnnnnoncnonnronnrnnnanonanenans 28 Modelling a zone with a mix of slab on ground and elevated floor coocccoccconcccnnocicanoncnnanonanons 28 EVO ra 28 I MMM OS settee tes cede emcees avec e E E O 29 Modelling WINGOWS cccccceecceecceeecenecseeceeecueceuecseesaeesuessuesseeesaeesaeesuessueesueesaeeseuessuessueeseeesaeesauss 29 EAN rrn nun nrn nrnn nennen nenne 29 Window doo e mr tet RE cesta cles cue apes see ae einer ee mlo ets cs ae simse ate ce let cians saetieei 29 EIA VINO WS csm naa Dana 34 CUSTOM Windows cccceccceececececeeeecee cece cece eeee ease ease eeseeeesee n nn nnnnnnnnnnnnnnnnrnnnnrrnnneneninns 34 Window Selection eee eee 37 PP E OE 38 Adding a new COOM cccceccseccceeeceeeeeeene cece eeseeeeeeeene esse eeeeeeeae essa eesaeeseueeeaeesseeseeessueeseeeseeeseeesseeeseeeseeegs 38 A AE E A E AEE hte dante ener E E 38 Modelling a zone with a mix of slab on ground and elevated floor occocccoccconconncociconicnncanicanons 38 AAA EEA Nested EEEE E IEE PE A A IE E I tt 39 CO Usted TA AA AA AA tate AAAA EA E A AE REAA N EEA E E A E A T N 39 Wall type and INSUlation
47. m the entire data base or from a particular Brand Name GGG 05 0024 AIR 05 099a AIR 05 176a AIR 05 2352 1111 BRZ 04 081a BriZ 04 1013 si UYalue SHGE Max 5 56 y Majo Min 5 38 2 Min 0 74 The U Value ranges are automatically set at 0 1 about 2 and the Solar Heat Gain Coefficient SHGC is set to 0 1 10 The U Value and SHGC ranges can also be set manually The product list automatically updates as changes are made U Value SHGC Max 30 00 y 00 30 00 y Max hoo 00 Min 0 00 9 Min Reset the Maximum and Minimum to encompass all options Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 37 Window Selection a There are thousands of commercially available windows that can be selected for simulation The important properties that determine how windows perform in different climates are the total window conductance or U value and the solar heat gain coefficient SHGC To make the selection process easier proceed in the following way Make a selection from the generic window combination of glass and frame Genenc Custom Windows IE i LL _ Single Glazed Clear Timber Simulate using these combinations until a satisfactory result is obtained Change to the Custom Windows mode Generic Custom Windows GGG 05 002a Generics Timber Single Glazed Clear Custom Windows can be selected by brand name and
48. meet in a corner clicking in the Zone A first determines that the node from Zone A is selected If an eave node and zone node are superimposed the eave node will be selected if the zone has not been clicked wo l a a a a Go A A E 1 1 2 3 4 5 6 7 When the nodes in the centre of doors or windows or at the ends of the internal walls are selected with the right hand mouse button a new window will open allowing the properties of these elements to be edited Right hand mouse clicking anywhere on a wall will allow the wall properties to be edited Right hand mouse clicking anywhere in a zone will allow other zone properties to be edited Copyright Solar Logic 2007 Moving nodes The selected node s can be dragged by holding down the left hand mouse button and moving the mouse Windows and doors can t be dragged beyond the wall limit If moving a node causes an overlap of zones the program won t let go of the node until there is no overlap If an internal wall node is dragged outside of its host zone the program won t let go of the node until it is returned to the zone If a complete zone is to be moved for the first time select a node in the zone select a second node with the control key down and drag Add a node f Y To add a node to a wall or eaves outline click where the new node Is to be located If walls have nodes where there is no change in wall direction or property they will be eliminated after a button click
49. ned the current default values e The defaults can be saved and reused in new projects Defaults for Level 1 Em x DOPE GSO ae oe ee ee ee ee ee E Select Al Deselect All You will not be able to undo these steps Change defaults of all levels to those selected from this level Change all elements on this level to the selected defaults External Wall FLI y I E Internal Wall External Floor Ceiling Between Levels Internal Floor Cover Ceiling to Roof 9 3 o 2 Window e ie a EL lE Skylight ajajja a mja ir E A ve A A The building elements whose properties are to be affected by the changes are selected by ticking the box under the button Change defaults of all levels to those selected from this level The default values and properties of the selected elements of all levels are changed to the default values of this level This will not affect the properties of any elements already modelled but all future modelling will adopt these new values Change all elements on this level to the selected defaults The properties of the selected elements on this level will be assigned the current default values This does not include dimensions which will remain as they are Copyright Solar Logic 2007 DEDO Den VA 4 Lada Nin a Dann ON BERS Pro V4 1 Users Manual Page 20 Change to the Default Value O y Default screens allow the properties of elements that have already been modelled to be ch
50. ng Window 3 Wall 1 Zone 6 Vertical Shading Save the current monthly shading values lw Left Width lo Left Offset rm Aight width ro Right Offset I m Copyright Solar Logic 2007 DEDO DrrAVA 4 leara Mania Dana 22 BERS Pro V4 1 Users Manual Page 33 The drawing shows the fins on either side of the window shown in plan The dimensions can be entered next to the fins in the diagram or below the diagram XK x Reset all dimensions to zero Head Ht 2100 mm The head height is the distance between the floor and the top of the window This dimension is used for the ventilation calculations C B00 1800 600 1800 300 C 300 900 2100 900 2100 150 450 le 1200 2400 1200 2400 foo 600 De P7600 200 f 7500 2700 mo F5 C 750 Dimensions can be selected with the radio buttons entered into the edit boxes These dimensions are shown at the same scale as the plan The offset is the vertical distance from the top of the window to the horizontal projection of the lowest part of the eaves usually the gutter onto the wall The diagram shows an offset of 150mm where the lowest part of the eaves is 150 mm above the top of the window If the lowest point is below the top of the window as in a window hood the offset is given a negative value nd Eaves The eaves plan drawn by the user allows the program to calculate the eaves width for each door window and wall The 2nd Eaves edit box allows the automati
51. ngs are displayed to the right of the buttons A alw The nodes defining the eaves outline can be nudged one pixel with the direction arrows E The movement of the cursor can be constrained to move up and down or across or it can be unconstrained and move in any direction Occasionally there may be some information left in the drawing area when a pop up appears or another screen passes over the top The refresh button will clear this Display the SCRATCH File Display a Detailed Description of building Elements Short Simulation Report Analysis Defaults Create a New Zone Delete a Zone Draw Eaves Delete Eaves Add a Node Delete a Node or Element Add a Window a m x x a oe Add a Door i ta Hi T ma Add an Internal Wall Add a Skylight Add a Stair Well m i a Overshadowing by Obstacles Level 1 me Buildings with up to 6 levels can be modelled Clicking on the level button will cause that level to be displayed Add a new level above the currently selected level Add a new level below the currently selected level Delete the level currently selected Display the level above the currently selected level in dotted outline Elelxlale TEE Display the level below the currently selected level in dotted outline Star Panel The results from the current as well as previous simulations are displayed AA a C20 3 H 62 6 T 2 2 storeyl_1 Y climati0 TXT Status
52. o Roof o Heat flow between the building and the outside air through the ceiling roof space and roof is potentially larger than through any other building elements other than windows and skylights Insulating the ceiling has an enormous potential to reduce this heat flow Ceiling for Zone 1 Living 1 EAE Ah a fy a ea ORO e ae o Gases tye ic Data Y i Plasterboard EON petam ee Rtu 2 56 Bulk R Value 25 Rid 2 56 a E el Uu 9 75 Ru 2 50 UAd 9 75 Rd 2 50 Area 26 50 ones Sharnng the same Roof Space Above the Ceiling Combine Separate ROE ine Separa _ C Unvented Cavity Ligt Mi living C Ventilated Cavity Liv Kitchen 1 fv PO Living Kitchen Gee ae Wet Area 1 jw Wet Area 9 Highly Vented Cav sleeping 1 Iv 7 Sleeping C Roof no Cavity Corridor 1 iv Cander A ee Sleeping 2 M P Sleeping C Another Apartment Garage 1 E E Garage d Ceiling type and insulation Ceiling Insulation The R value displayed in the Type panel is for the ceiling without any airspaces The R value of air spaces and insulation is displayed in the Insulation panel Rtu 2 56 Rid 2 56 U4u 9 75 UAd 9 75 rea 26 50 The thermal resistance transmittance and area of the ceiling is also displayed Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 49 Slope Deg Slope The ceiling slope can be determined by dragging the node or entering the value of the slope angle a
53. ogic com au Dwelling Details DP TREWO 14384 78 i EM AA Lakesford Broad Ave Client Details BrickBilt Builders 0725986354 Fan 0725986354 bbb powerup com PO Box 4563 Cool Bay OLD 4092 s 17 Ash St Britstone Lane Cool Bay OLD 4092 Assessor Details a OO A A lt lt lt Ba 2569 This an accurate assessment of the building Signed by the assessor Project Bribie Run 2 Location THE GAP PC 4825 Climate climat39 TxT 24 03 2005 KKK Cooling Heating Total 431 403 83 4 Project Details are summarised together with the heating and cooling energy load amp This report can be printed Copyright Solar Logic 2007 Common Buttons Information and help Gets you to the BERS help file New Start anew Will destroy current information Open a file which will overwrite current information Save the information in a file colour of the zone or zones containing the element Reset parameters to what they were before changes were made Change all elements of that type to the current default Copy parameters Paste previously copied information le Es ES e 8 E E ae Delete whatever the focus is on Print screen or file g Refresh the screen w DK Accept all changes and close the window JE Cancel Close the window without making any changes Thermal and Optical Definitions R value This is the resistance to heat flow between two surfaces at different temperatures
54. on allocates the hourly annual climate data file used by the simulation engine Wind shielding around the site is described Location Current Climate Latitude 11 33 Longitude 148 34 Climate file climatOS TXT Townsville e The simulation process uses one of 69 annual climate data files The climate data is in the form of hourly values of temperature humidity solar irradiation beam and diffuse cloud cover wind speed and wind direction e The majority of this data has been collected by the Australian Bureau of Meteorology Each Australian Post Code has been assigned the data set that most closely approximates its climate e Some post codes have more than one possible climate file The location is displayed as a red dot on the map when sufficient information to determine latitude and longitude has been entered Al timates Display All Climate Zones All postcode latitude and longitudes are displayed as a colour coded dot The legend associates the colour to the climate file The climate file is displayed in the status bar as the cursor passes over Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 17 L t Climat i j a Display All Other Locations in the Same Climate Zone Each location sharing the selected climate file is displayed as a colour coded dot show tite Display Cities and Latitude Longitude Lines Major cities and lines of latitude and longitude are superimposed onto the map DARW
55. on walls are created when a new zone is first drawn or when zone boundaries are moved All walls forming boundaries around zones are given 2 sets of properties Which properties are used depends on whether the wall forms an external boundary or joins to another zone To inspect or edit the properties of a wall right click on the wall e To move anode left click the node and drag it to its new position e To move a wall or several sections of wall first use the Shift Key to select each node to be moved Drag the wall sections to the new position e To delete a wall click on the node that is on the anticlockwise end of the wall to be eliminated and press the x Delete a Node or Element button Partition Wall 5 of Zone 1 and Wall 6 of Zone 2 E if al Ps w OK 3 Cancel S000 2700 2550 fe 2400 Cavity Panel 75mm No Insulation gap i Thickness EE mm R 012 R 0 16 L 5 0m A 8 85m Orient 90 Rt 028 UA 20 02 Internal Wall 1 of Zone 6 Wall within a zone il Ps Y Ok Cancel This type of wall can be used to provide thermal mass to a light weight area To draw a wall within a zone first click the Insert Internal Wall button Click inside the target zone where one end of the wall is to be anchored Move the cursor and click the mouse button to finish the wall at the other end To inspect or edit the properties of a wall within a zone right click a node at either end e To move anode left click the node and dra
56. ool Bay OLD 4092 s 17 Ash St Britstone Lane Cool Bay QLD 4092 Assessor Details A Winter Fi Au jo 6542 3698 Email biwrier woodchuck e Assessment Details Insulated 12 5 ceiling Foil in wall File name The Project Name and the Run Number determine the file name The combination above produces a file name Bribie2 BER Information describing the building or simulation can be entered as text in the comment box The run number should be incremented and a note made in the comment box every time a change is made The file with this new file name should be saved before the simulation is run Opening and saving files Assessor and client details can be saved and reused Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 15 Open Assessor Details Look in O Schedule A Bill Winter ASS i6 E John Brown 455 My Recent Documents Assessor details can be saved as ASS files also located in the SCHEDULE directory The assessor name can not be changed but other details can be updated Open Client Details Look in e schedule E My Recent Documents E Desktop uE My Documents My Computer Muy Network File name Dodgy Brothers CLI Places Files of type Client CLI Client details are saved as CLI files that are located in the SCHEDULE directory Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 16 Location a Selecting a locati
57. ory structure is as shown below Data Climate a Occupant stars 4 WindowData Default 3 House c Qutput 9 Schedule lu Temperature 5 Utilities Plans C Data Contains data used by the BERS Program This should never be edited or the program will cease to function correctly Default Contains files of saved default settings 5 House Contains the BERS Project files These should be archived from time to time Output Contains the results of the simulations schedule Contains the shading schedules Temperature Contains the hourly temperature output files This should be cleared out regularly as the files created during each simulation are quite large C Utilities Various BERS utility programs will be added to in this directory C Plans Bitmaps of plans are stored here Licence Licence Details Each copy of BERS is licenced to a specific licencee Details are given in the pop up screen when the software is first opened If the licence file is missing or if the licence has expired a pop up message to this affect will be displayed BERS Pro Licence Details ETEA BERS Pro V4 1 C amwe Expires in 72 days 21 06 2006 Solar Logic H Willrath Copyright 2006 wen Ss olarlogic com au Buttons l il When the help button is pressed the message will relate to any of the problems mentioned above or will show this Help Screen Pressing the Esc key will close the program iy The button or the En
58. product Tai Gi The Search button finds all products with similar properties either from the entire data base or from a particular Manufacturer Name GGG 05 00 a BRZ 04 081 4 BRZ 04 101a w U Yalue SHGC Mas 5 56 1 Marj094 Min 5 36 y D iiin fora C Manufacturer All C The U Value ranges are automatically set at 0 1 about 2 and the Solar Heat Gain Coefficient SHGC is set to 0 1 10 This gives you a selection of windows from different or the same manufacturer which have similar optical and thermal properties to the generic window in the simulation Simulate again with the selected proprietary window product Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 38 Door Ll Doors allow heat flow in and out of the building by virtue of their conductance and their ability to provide ventilation when open Doors are defined by their type which determines the thermal resistance and capacitance and their dimensions Shading is determined automatically using eaves plan information Adding a new door Click the door button and then click on an external wall or a partition where the centre of the door is to be Default Door pd Pf Y ox e coral AE e Door Type A 158m UA 3 85 width 750 1800 2100 2400 2700 Solid timber door Doors connecting zones have the respective zone colour tiles displayed at the top Door 1 Wall
59. r Apesta 0 50 L80m A 14 03m Orient 37 Ri ary UA 10 76 Beyond the Wall Es CA Shaded Air 5 Neighbour Earth Colour Colour determines how much of the incident solar radiation is absorbed Basic colors ET Ee eee Hl BER Eee oe A A ee A S A EE EEE EE g ft fF Bj Custom colors See eee ee Hue isa Red 137 See eee eS fis Colour Sat 62 Ey Green 1146 Colorisol Lum 152 Blue f186 e 0 50 ar Add to Custom Colors Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 40 Dark medium and light are often as close as the designer gets to knowing external colours If the colours are known clicking on the colour panel will open up a large choice of colours The colour value is converted to absorptance the fraction of incident sunlight absorbed and turned into heat The door wall and window dimensions are shown in elevation at the same scale as the plan The same wall is shown below when the scale is halved If the tops of the walls are truncated switch to a smaller scale Wall type and insulation Brick Veneer Foil Reflective One Side Anti glare Other Thickness fio mm R 0 24 R 0 91 The wall type and insulation databases will be added to as new products become available 26 External Wall Insulation Copyright Solar Logic 2007 Manu
60. r Logic for information about the BERS trainer program for those wishing to train assessors in the use of BERS Contact For further information visit the Solar Logic Website at www solarlogic com au Email Solar Logic at info solarlogic com au Solar Logic System requirements 0 mwe pent 00 ran 92 PTT E ii EAn as ki Processor speed BERS uses a simulation program which does a lot of numeric processing The time taken to do a simulation depends on the number of zones in the building which is being modelled and the clock speed and type of CPU A speed equivalent to a 1GHz Pentium is probably a minimum for reasonable simulation times ee Memory When the program is simulating about 1 2 GB of memory is required Most computers won t have this so virtual memory must be used as well This is where the hard drive is used temporarily in place of RAM The correct sequence for allocating virtual memory in XP professional and for XP home is Start gt Control panel gt Performance and maintenance gt System gt Advanced gt Performance gt Settings gt Advanced gt Virtual memory gt Change gt Custom size Set the virtual memory at 1 2 GB RAM Display The minimum screen resolution required is 1024 x 768 Installing BERS Pro from a CD You will need about 500 MB free hard drive space Shut down all other programs Run SETUP EXE from the CD drive Directory Structure When BERS is installed the direct
61. rature Ein lt 10 10 1i 13 14 Outdoor 1161 TE B35 Fumpus r Family E 0 131 Bedroom 1 315 Bedroom 2 ave Bedroom 3 475 Bathroom WC 465 Laundry 47 Garage TES Boot Space S26 Dining Lounge 595 study Tia Ent ry Ground one 0 Underside of Ro Top of Ceilings t Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 70 The data can be printed Landscape mode should be selected Temperature Histograms la lal Temperature data can be displayed as a series of histograms The height of each bar is proportional to the number of hours the zone spends at the temperature given at its base Histogram of Temperature Distribution for the Rumpus Family K AumpusFamily E 0 I I I I I I I I I I 1010 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 20 29 30 31 32 33 34 35 Sb 36 Bathroom C Laundry Garage Raat 3 The zone of interest can be selected from a drop down list The scale of the graph can be changed by using the scale arrows The graph can be printed Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 71 Short Simulation Report The simulation results are displayed together with details of the location of the dwelling the client and the assessor Short Simulation Report Project Bribie Aun 2 Location THE GAP PL 4625 Climate climat39 TXT 29 03 2005 AAA A k Ei i BERS V4 1 Cooling Heating Total Solar Logic H Wiillrath Copyright 2004 431 403 834 www solarl
62. re C BERS41 Temperature Start 10JUL tempeh itat tempsH25 tst o tempsFi25Intht ase tet H od en Day Month DayNo Putdoor Outdoor Outdoor ia F i Y Rumpus Family K Rumpus FarnilyK Rumpus Famili K iw e ji0 a i E 1 v xX P2 Bedroom 1 Bedroom 2 Bedroom 2 Bedroom 2 e x P3 Bedroom 1 Duration Dai Bedroom 3 Bedroom 3 1 Bedroom 3 i ar Bathroom tw E Bathroom E Bathroom C aj gt E Laundry Laundry Laundry Garage Garage Garage Roof Space Roof Space Roof Space End T6JUL Day No 19 Dining Lounge hd Dining Lounge bl Dining Lounge Temperature C 193 Day Number y Weather File e LABER 41 Data Climate l l l l l Ba climatl 3 TT The climate files contain hourly climatic data The temperature data from any of these files can be displayed by pressing A and select from the files Open Climate File Look in E Climate m E c Ea Mame lt Size Type E climatOO TXT OKB Text Document My Recent climatot TXT 531KB Text Document Documents ms E climat z TT DALKE Text Document E climata TAT 531 KE Text Document E climat04 TXT 5391 KE Text Document E climatO5 TXT D31 KE Text Document Desktop To Mo Hetwork File name Places Files of type The display of this file can be toggled on or off by clicking in the check box next to the file name Copyright Solar Logic 2007 RERC Pra VA 1 I leare Manii Dann RA BERS Pro V4 1 Users Manual Page 68 S
63. rn nr rrene nnn nn nennen 7 TO Renew Your LICENCE cece ec ccc ec cece eee eeeeece eee eeeeeseeseece eee eeaeeseeseceeeeeeseeseeseeceesaeeseeseeseeeeeeeseeseeseeees 7 EAC CHG FIS NOL FOUNO asc pp 8 MANSO SS Vitalis tadas daca EAE OE 9 a N AS 9 rr E A E D A E A 9 o 10 rr A AE 11 SIS Daute ito E AA EA 11 Starting a Project from Scratch 20 ccc ccc ccccccseccceeeeeae cece cess eeeeeeeeseeeeseeesseeesseeeeseeeesaeeeseeesseeeseeeeseeesaneesaaees 12 FU GM US EEE E E a teshec he hechertodec devin dort eerbeoathadeta ution hertahertedestalia AT 14 FINS UM todas 14 Opening and Saving files ooccconcncocnncccnnconnnconnnnoncncnnnnonarnnoncnnnncnnnnrnnnnnnnnnrnnnnrnnnnrnnnnrnnnnrnnnnnnnnns 14 A O o o AP A A E A O A A T 16 LOCAU Ol TOWN NAMOS AEAEE EAEAN EEANN ao 18 ST n 1 Be ie EE EA A TA A A A T RE eS A AA E E A PRE RE RE E 18 PVT AUIS a PPP a e A A RETT e sta 19 Change to the Default Value ooocccoccnccccnccccncconnonnnnonnnnonnnnonnononnononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnns 20 AP et an aean sentence S 20 o A A 20 SA O a eee ore 20 MPAA A DACKOTOUNGNIN e ete 21 O o 21 EA IDDO hese a ao ot vata taht ch tia a ae Niele cant nasil tet Bn Reena eine sien atahatatase 21 SFT gle nn o 22 Adjusting IMAGE SIZE and POSITION sirenerne a a Ra a a e e ae Re a a R EEEa 22 Ramganarestonng ine IMAC AS 23 E N cece A 24 A oe Ne oe Ne ee 24 MOVNO NOCES Serasa 25 71 6 KeA AAAA E E EEA ias 25 De
64. s degrees in the slope field Horizontal skylights have zero slope Roof space e Roof spaces are automatically created when no other zone exists above all or part of the ceiling of a zone e Zones that share common roof spaces must be grouped together ones Sharing the same Roof Space Combine Separate 1 Living 1 H Living 2 Liv Fitcher 1 Iw a Living Kitcher la Wet Area 1 r ml Wet Area 4 Sleeping 1 e Sleeping 5 Corridor 1 l Coridor 6 Sleeping 2 ira Sleeping 7 Garage 1 E E Garage The description of the space above the roof automatically changes the description of this space in the Roof popup window Above the Ceiling Unvented Cavity Ventilated Cavity Highly Vented Cay DEC Root no Cavity pe Another Apartment Unvented indicates that no specific ventilation openings are provided Ventilated indicates that purpose built ventilation openings are provided Highly Ventilated indicates that the roof space is very well ventilated with large openings The no cavity option replaces the roof cavity with a still air gap If another apartment exists above this dwelling the roof and roof space information is ignored Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 50 Roof E Roof spaces are automatically created when no other zone exists above the ceiling of a zone Zones that share common roof spaces can be selected in the Ceiling screen
65. s that the roof space is very well ventilated with large openings The no cavity option replaces the roof cavity with a still air gap If another apartment exists above this dwelling the roof and roof space information is ignored Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 52 Colour Colour determines how much of the incident solar radiation is absorbed Basic colors ai Se eee es tee Fe roe A A ENE EE Ee EE EEE Ee et fF Hj Custom colors Colour See ee ee Hue 153 Red 137 TP EeE EEE F a de Sat 62 Green 146 Light Etehne Custom Eulore gt Color S alid Lur js2 Blue fas Absorptance 0 50 UR Cancel Add to Custom Colors Dark medium and light are often as close as the designer gets to knowing external colours If the colours are known clicking on the colour panel will open up a large choice of colours The colour is converted to absorptance the fraction of incident sunlight absorbed and turned into heat Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 53 Skylights and Clerestory Windows Skylights contribute to the amount of solar radiation entering the building They also allow heat flow in and out of the building by virtue of their relatively high conductance To Add a skylight or clerestory window left click on the skylight button and then left click in the zone that is to have the skylight If the zone already contains a skylight then addition skylights
66. t Afurn 0 33 When window furnishings are drawn across the window they reduce heat conductance through the window system This is displayed as the added R value Mfurn 0 43 Window furnishings can also reduce overheating when drawn across sunlit windows 2 Window Shading Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 32 Shading devices that are attached above or in front of windows reduce overheating when installed on sunlit windows Lattice f i Shading 752 Some devices have a fixed amount of shading Other shading changes from month to month __Monthiy schedule Lg A monthly shading schedule can be applied to shading devices and obstructions This can be used to model semi transparent pergolas Shading Schedule Mba e aaj Percentage of Total Shading Horizontal Vegetation 0 JFMAMd JAS ON OD The percentage shading per month can be changed by clicking on a node at the top of the bar and dragging it to the required percentage This value is shown in the display box Make all months the same as January 75 shade cloth can be modelled by dragging the January node to 75 then select this button Semi transparent roof sheeting can also be modelled in this way B Open a file with a saved monthly shading schedule Reset shading back to 100 throughout the year _Vertical Shading F Each window can be modelled as having vertical fins which provide shadi
67. tcher 1 ee a Living Kitchen Sleeping 1 Sleeping Wel Area 1 Wet Area Corridor 1 E Corridor Sleeping 4 Sleeping Living 2 Living Sleeping 2 Sleeping Living 3 Living Garage L 2 3 4 A B T a 3 1 si lt i lt i a lt i st lt lt Garage Free Running Free running Zones which are not ticked are free running where the zone just reaches a temperature which is in dynamic equilibrium with its environment No heating or cooling is available to maintain comfort in these zone Heat Cool tchen 1 1 3 1 tchen 2 2 tchen 3 TUTTE Ltt MOS In zones of type Living Living Kitchen heating and cooling are available when needed from 7 am to 12 pm In zones of type Sleeping heating and cooling are available from 4 pm to 9 am Although heating and cooling are available between these times they are not invoked unless required as described below Heating Heating is applied if the zone temperature at the end of the hour without heating is below the heating thermostat setting Enough heat is supplied so that the zone temperature at the end of the hour is equal to the thermostat setting Cooling Cooling is invoked in a more complicated way 1 If at the end of the hour the zone condition i e temperature and moisture content without cooling or ventilation is within the comfort region on the psychrometric chart cooling is not invoked The comfort region is a parallelepiped
68. ter key will close the licence screen The licence expiry date appears in the top window Today s date is displayed in black below The number of days left on the licence is to the right The licencee s name appears in the middle window The licence number appears in the lower window Licence Has Expired Information i Your Licence has expired Press the information button The licence to use this software has expired To Renew Your Licence Email Solar Logic at info solarlogic com au BERS Pro V4 1 Users Manual Page 8 Licence File Not Found Information i Your Licence File is missing Press the information button Your Licence File BERSPro LIC is missing from the BERS41 directory Se Local Disk BERS41 BERSPra Lic Even if your licence has expired it should still be in this directory Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 9 Main Screen The Main Screen provides the links to all other windows where data is entered or information is displayed r BERS Pro ETRE Name da ala lala Bo Ta 10 T 12 13 14 ds 16 17 1 13 20 2 22 ES 24 25 26 N 25 29 ou 3 320033 34 35 J5 uc oo j La H a Fu O The building is drawn to scale and may have an image of the plan displayed in the background Project Bar This bar contains the project identifiers Clicking on the yellow letters opens windows where changes can be made Project Name Location Climate File Project Name
69. tically given a new name based on its type This name can be edited then or at this stage Heat Cool iw iw Floor Area 77 0 m Calling this as sleeping zone automatically assumes the default condition that heating and cooling will be assessed This can be changed here or at the Simulation Mode screen Pe Air Flow External Floor Ceiling Between Levels Floor Covering Between Levels Ceiling to the Roof Space Roof Skylight w D lE E Stair Well Copyright Solar Logic 2007 BERS Pro V4 1 Users Manual Page 59 Overshadowing by Obstacles al Obstructions to sunlight such as neighbouring buildings trees or mountains can have their shading impact modelled E ale a Alfa E Up to 3 obstructions in each of 4 directions can be selected Below is the data entry screen for obstruction to the North and another for obstructions to the East Obstructions S Obstructions Obstruction Number E 2 al x Shading Schedule J 6 00 12 E Height EE m A 7 8 9 fh ath 12 The dimensions L1 and L2 are measured from the axis on the screen D is measured from the other axis In many cases the dimensions will be negative A monthly shading schedule can be applied to any obstacle such as a deciduous tree or vertical shade cloth A x This will reset all the dimensions of the selected obstruction including the shading schedule 7 Copy dimensions and shading schedule el Paste previously cop
70. ts heating Windows also allow heat flow in and out of the building by virtue of their relatively high conductance and their ability to provide ventilation when open Window 1 Walli Zone 2 Living 2 E EN E vox X cancel Generic Custom Windows a z q i Single Glazed Tinted Timber IRA Rglass 0 17 Aframe 0 33 Rt 0 13 UA 5 19 SHGC 0 55 e a SS E o am EN E Sliding Twa Lites Venetian Blind Horizontal Louvres i Horizontal Blades Opening 50 Rfurn 0 00 f 2nd Eaves lo mm soo EEN AS mm e00 M 1800 m 300 e 300 30 2100 so 450 f 1200 2400 2400 co 60 1500 2700 2700 e 6G C750 Monthly Schedule M Vertical Shading yl Modelling windows Windows can be selected as a combination of a generic glass and a generic frame or alternatively Custom Windows with known characteristics can be selected from a database of proprietary windows e Each window can be shaded by eaves and shading devices operating under variable monthly schedules e Internal furnishings can be selected to vary the effect of sunlight penetration and heat flow through the glazing e Vertical fins that attached to either side of a window can be modelled Adding a new window Click the window button and then click on an external wall where the centre of the window is to be located Window properties Generic Custom Windows The generic window screen r
71. weat The maximum cooling benefit of these fans is as follows e 900 mm 0 50 m s Cooling benefit 1 6 degrees e 1200 mm 0 66 m s Cooling benefit 2 4 degrees e 1400 mm 0 77 m s Cooling benefit 2 8 degrees This cooling benefit may be reduced according to the floor area and number of fans Rules of thumb Bedrooms 1 x 1200 mm fan in each Other Zones 7 5 10m2 1x 900 mm fan 10 30m 1 x 1200 mm fan 30 60m 2 x 1200 mm fan 60 90m 3x 1200 mm fan Mechanical Ventilation This is the movement of air through the room with a blower or extractor When implemented the Air Changes per Hour must be calculated from the manufacturer s data sheets 7 2 S h 5 PM a y a AALST Coovriaht Solar naic 2007 JN IVI TU Lt VUVJUIA J Y BERS Pro V4 1 Users Manual Page 58 Editing a zone Clicking in a zone with the Right Hand mouse button will allow information about the zone to be displayed and edited Only the relevant element buttons are displayed The Roof button may not be needed for lower floors and the Skylight and Stair Well buttons are not displayed if none have been modelled Details for Zone 1 Living 1 Heat Cool Iw Iw Floor Area 54 0 m A down stairs room has been selected Part of the ceiling has a roof above and the other part has room above Details for Zone 8 Sleeping 3 Heat Cool iv id Floor Area 70 0 m An upstairs room has been selected When a New Zone is first drawn it is automa
72. y containing a stairwell Modelling zones extending over two levels e Draw the zone on the first floor e Draw another free running zone of the same floor area directly above the zone e Model a stair well in the top level having the same area as the floor between the levels Copyright Solar Logic 2007 Air Flo oy oy This screen allows some changes to be made to the air flow characteristics of each zone WA 1 leare Maniial Jann ET V4 1 L JSers Wianua age 3 3 Natural Ventilation The location and dimensions of doors windows and other ventilation devices determines the air flow through the building The Window Style determines the maximum opening possible for ventilation Insect screens reduce the air flow Infiltration This is the uncontrolled ventilation Draught seals should be provided to all windows and external doors of the zone The air speed is calculated on an hourly basis by the engine Air Flow for 1 Living 1 Draught seals to all doors AA cc E Unsealed chimney E Vent for unflued gas heater Wall or ceiling vents 10 Unsealed exhaust fans 0 Wented downlights fi Humber of ceiling har EM SS Diameter rani 900 4200 O 1400 Swept Fan rea 13 of floor area 34 5 Forced Air Movement Using Ceiling Fans Fans move air which doesn t change ambient temperature but increases comfort in hot conditions by producing lower skin temperatures by increasing the evaporation of s

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