B13_23_1980_Mar_ABC Program User`s Manual Version 3.0
Contents
1. Public Works Canada ABC PROGRAM Design and Construction USER S MANUAL Technology Version 3 0 March 1980 Computer Aided Design CAD Information and assistance CAD Centre Publie Works Canada T E Sir Charles Tupper Bldg Riverside Drive Ottawa 1 0M2 Not departmental publication do not cite as reference or catalogue in library PURPOSE This program provides a fast easy to use tool to aid in the evaluation of architectural building concepts The program estimates the effect on annual heating cooling energy requirements of architectural factors such as shape and size of building orientation amount and type of glass amount of insulation lighting level and infiltration The program is intended to aid in making decisions about these architectural concepts at the early design stage when the design alternatives are little more than rough sketches Since little consideration is given to HVAC system design at this stage it assumes the use of ideal HVAC systems The assumptions contained in the ABC program are adequate for a first out design tool This program should be used to compare the relative energy consump tion of design options not as an estimate of the absolute value of building energy consumption A more detailed energy analysis program which can account for the many building and system variables should be used at later stages of design in order to obtain a more accu2. STANDARD SOLAR TSTAT 72 78 F ANNUAL REQUIREMENT ELECTRICITY LIGHTS 12952 KWH i 16 CONSTANT HERT ING 3855 2 COOLING SNSTEM HITHOUT ECONOMIZER 2895 CTON HR 3 1 SVSTEM WITH ECONOMIZER 748 TON HE5 SETBACK 65 gt WHEN UNOCCUPFIED HERT ING 2607 COOLING SYSTEM WITHOUT 2 2833 i SYSTEM WITH ECONOMIZER 701 16 CKHHASG FT METLIASG FT2 TON HR SG FT C T N HR SQ FT gt METU SO FT CTON HR SG FT CTOHN HR Sb FT PUBLIC WORKS CANADA PROGRRM VERSION 2 0 PROJECT EXRMPLE BUILDING BUILDING TOTAL SUM ZONES 8 1 PERIMETER ZONE FACING SOUTH ERST 8 2 INTERIOR ZONE XoaerL S ING DATA FILE MTL MONTREAL REFERENCE YEAR STANDARD SOLAR TSTAT 72 78 F Xe ANNUAL REQUIREMENT ELECTRICITY LIGHTS 25746 KHH 10 79 KMH SQ FT CONSTANT OPERATION HERT ING 61602 28 CMETU SQ FT COOLING SVSTEM WITHOUT ECONOMIZER 18548 XTOM HK5 4 79 CTON HR SG FT gt SVSTEM WITH ECONOMIZER VRV5 3198 CTON HR 1 45 lt 50 SETBACK 65 F WHEN UNOCCUPIED HEATING 49700 METU 22 59 MBTU SG FT COOLING SVSTEM WITHOUT ECONOMIZER 8233 TON HR5 2 74 TON HR SQ FT SYSTEM WITH ECONOMIZER 2543
3. use the editing features to change your input data Input data is organized in groups called data groups Each data group has a li character identifier To edit data enter the identifier for the data group for which you wish to make change The program will prompt you for input If you do not wish to enter a new value hit carriage return and the data will remain unchanged default value is shown at the right side of the screen The data groups are ZONE This permits you to supply a label to identify the zone The label may be up to 80 characters one line MULT It is sometimes convenient to specify the input data on the basis of a module for example a typieal floor The zone multiplier is the number of these modules which make up the zone In effect this means that the areas specified for floor area wall window and roof are multiplied by the zone multiplier range 1 to 9999 9 UU AREA Enter floor area range 1 to 999999999 i i 5 DIRX Enter the direction in which windows for this Zone face Note that all windows must face in the same direction Valid directions are NORTH N E EAST S E SOUTH S W WEST and N W note that the program recognizes only the first 4 characters and requires the periods Enter INTR to indicate that the zone is an interior zone i e one with no walls or windows WALL Enter gross wall area range 0 to 999999999 This s
4. T N HR 1 16 50 gt 17 m pape FOR FURTHER INFORMATION AND ASSISTANCE CONTACT Public Works Canada Sir Charles Tupper Building Riverside Drive Ottawa Ontario 1 0M2 Tel 613 998 9513 18
5. 0 infiltration occupied 0 05 unoccupied 0 05 12 ft ft btu hr ft OF ft btu hr ftcOr ft btu hr ft2OF watt ft person or SI me watt Tne 2 __ person Soc m TABLE II a ABC PROGRAM INPUT LOCATION Montreal UNITS i IM PROJECT Example building ZONE desciption Perimeter zone facing south east MULT zone multiplier RTA AREA floor area 1000 DIRX direction S E WALL gross wall area 950 u value 0 13 WIND window area 5 u value 0 63 shading ceet 0 94 ROOF roof area 500 uevalue 0 085 TIME occupied no of days week 5 unoccupied no of days week 0 LITE power to lights occupied 3 0 unoccupied 0 25 PEOP people density occupied 200 unoccupied 0 VENT ventilation min 0 A occupied 0 1 unoccupied 0 infiltration occupied 0 05 unoccupied 0 05 13 IM ft ft btu hr fteoF ft btu hr ft OF ft btu hr Ft Or watt ft ft person cfm Pte or or or or or or or 51 2 watt m2 _ person soc 2 TABLE II b ABC PROGRAM INPUT LOCATION UNITS PROJECT ZONE description Interior zone MULT zone multiplier AREA floor area gt 1200 DIRX direction INTR WALL gross wall area u value WIND window area u value shading ceet ROOF r
6. You may still GET this data from the file fact you oan restore the deleted file by GETting it and then REPlacing it ERROR MESSAGES All input is checked for validity and allowable range should an error be detected a message will be displayed on the soreen and you will be prompted to re enter the data Most of the error messages should be self explanatory Take care to distinguish between the numeral 0 and the letter 0 i The following error messages may occur during execution of the calculation phase of the program WINDOW AREA EXCEEDS GROSS WALL AREA Since gross wall area is the sum of opaque wall plus window area this represents an impossible situation Correct your input and try again OUT OF RANGE OF DATABASE The database is defined for only a finite range of conditions Input data in which both conduc tion U value area and ventilation infiltra tion are very small or internal heat gains lights people are very large may result in conditions which are outside this range Check your input 28 FILE ERROR CITY NAME This means that the city names on the database files do not match This is a system error the file may be faulty or reading error may have occurred Try again from the beginning 19 EXAMPLE To illustrate the operation of the program assume a very simple building consisting of two zones a perimeter zone for which the i
7. to obtain a building total ADD SUM This command causes the input data which is presently in memory to be added to the build ing file a file containing the data for all the zones in the building The next available zone number will be assigned to the data by the Program remember this zone number because you may wish to this data later The data memory is unchanged by the ADD command This command causes the data for each zone on the building file to be read into memory and printed on the line printer along with the computed heating cooling consumption correspond ing to this input This is followed by a print out of the building total which is the sum of the zones Note that the data in memory is destroyed by the SUM command it is replaced by the data for the last zone in the building file This command is used to get the input data from a particular zone on the building file this data replaces the input data presently in memory The input data will be displayed on the screen REP DEL This command replaces the data for a particular zone in the building file with the data presently in memory This command is used to delete a zone from the building file This means that this zone will no longer be included in the building total for a SUM command Note that the data for a deleted zone is still present on the building file it has simply been flagged as a deleted zone
8. LE MTL MONTREAL REFERENCE YEAR STANDARD SOLAR TSTRTz 2 8 F ANNUAL REQUIREMENT ELECTRICITY LIGHTS 18794 C KMH 18 79 KHH SG FT CONSTANT OPERATION HEATING 57659 3 57 64 MBETU SQ FT COOL ING SVSTEM WITHOUT ECONOMIZER S452 8 45 TON HR SQ FT SVSTEM WITH ECONOMIZER VnVv5 2442 2 2 44 TON HRZSQ FT SETBACK 65 F WHEN UNOCCUPIED HERTING 46892 46 89 METU SG FT COOLING SYSTEM WITHOUT ECONOMIZER 6204 20 TON HR SQ FT SYSTEM WITH 1842 1 84 TON HR SG FT 15 PUBLIC WORKS CANADA ABC PROGRRM VERSION 3 8 PROJECT EXAMPLE BUILDING 2 NUMBER 2 ZONE INTERIOR ZONE MULT ZONE MULTIPLIER 18 FLOOR RRER 1206 50 gt DIRX DIRECTION INTR ROOF ROOF RREA TIME OCCUPIED PERIOD 5 DAYS WEEK 6 NIGHTS HEEK UNOCCUPIED PERIOD 2 DAYS WEEK NIGHTSA WEEK 688 SQ FT U VRLUE 65 SQ FT DEG F LITE OCCUPIED 3 00 CWATT SR FT gt UNGCCUPIED 25 CHRTT SU FT PEOP OCCUPIED 200 SQ FT PERSON UNOCCUPIED 8 SG FT PERSQN VENT VENTILATION REQUIREMENTS QCCUPIED 1 CFM SG FT UNOCCUPIED 0 GGG OFM SR FT gt INFILTRATION RATE OCCUPIED 8 50 gt UNOCCUFIED 868 CFM SQ FT wee ING DATA FILE MTL MONTREAL REFERENCE
9. OMMAND To obtain a list of valid responses to this prompt type HELP You may now either change the input data using edit instructions described in Section 5 or you may issue commands to the program as described in Section 6 T i i 4 paR oo B mon i ABC PROGRAM INPUT LOCATION UNITS PROJECT RR T _ _ ZONE description oe 222 MULT zone multiplier AREA floor area DIRX direction maae eraa WALL gross wall area uevalue mad P X he t Q N H T WIND window area u value shading ceet ROOF roof area u value TIME occupied no of days week unoccupied no of days week LITE power to lights occupied unoccupied EES OT re Pe MR UG RA PEOP people density occupied unoccupied VENT ventilation min 0 A occupied unoccupied infiltration occupied unoccupied DER A a a r HERRERA IM ft ft btu hr ft2OF ft btu hr ft oF ft btu hr ft OF watt ft ft person ft or or or 5 watt Tne SI m _ person You
10. eriwether s ERE analyses only one Zone or thermal block at a time thermal biook is defined as an area which is thermally homogeneous That is each part of the area sees the same thermal loads e g lights people solar transmission eto n additional restriction of ABC is that all windows of a zone must face in the same direction building usually divided into an interior zone plus one perime eter zone facing each direction depth of the perimeter is normally 12 20 feet Version 3 0 of the ABC program provides the capability of summing a number of zones together to obtain building total HARDWARE AND DISK REQUIREMENTS The ABC program will operate on an IM 70 minicomputer with three floppy disk drives a video terminal and a printer The program is contained on one floppy disk the database is contained on a separate disk Two data base disks are currently available both for 72 78 F thermostat setting 1 Calgary Halifax Montreal Ottawa Saskatoon Toronto Vancouver 2 Victoria Quebec City Winnipeg Edmonton Regina Kamloops Whitehorse INITIATING THE PROGRAM Note You must terminate each input m hitting carriage return Power up the minicomputer as described in T eR to Running Fortran Programs Under FOS lA Install the program disk into floppy drive no 1 Install Data disk into floppy drive no 2 Two data d
11. hould be the total area of the wall including window area The program subtracts the window area to get the net opaque wall area The following is input only if wall area is not zero U value of opaque wall range 0 to 10 WIND Window area be expressed as either an abso lute area or a percentage of gross wall area Enter value for absolute area range 0 to 999999999 Enter value followed by for percentage range 0 to 100 Example 50 The following are input only if window area is not zero U value of window range 0 to 10 Shading coefficient of window range 0 to ROOF Enter roof area range 0 to 999999999 The following is input only if roof area is not zero U value of roof range 0 to 10 TIME Internal loads as well as infiltration and ventilation may vary with time One value may be specified for occupied periods and another value for unoccupied periods The occupied and unoccupied periods are defined in terms of days and nights 7PM 7AM For example a typical office building occupancy might be i Occupied for 5 days per week weekdays and 0 nights per week Unoccupied for 2 days per week weekends and 7 nights per week Note that input must be integer numbers i e no decimal point in the range of 0 to 7 LITE Enter power input to lights for occupied and unoccupied periods This may also include miscellaneous electric load
12. isks are provided Choose the disk which contains data for the location of the building you wish to analyse At present data is available for 14 cities Type BA F1 ABC1 if you don t have a line printer type BA F1 ABCO list of the locations contained on the data disk will be displayed You must specify one of these locations for your analysis There will be a brief pause while the files are readied The program will then ask which system of units you wish to use IM If you wish imperial units SI If you wish SI units The program will ask for a projeot title This title maximum of 72 characters will appear on each page of program output The program will then ask a series of questions pertaining to zone input data This input data is summarized in Table I further description of the input data is given in Section 5 Although defaults are provided for most of the inputs it is good practice to enter values at this time most of the default values are zero If you make an error in input and notice it before hitting RETURN you may backspace and then enter the correct input If you notice an error after hitting RETURN don t worry proceed to complete the input after which you may easily correct the error using the editing capability described in Section 5 When all input has been provided the program will compute and display the annual heating and cooling requirements The program will then prompt with C
13. nput data is given in Table II a and an interior zone for which the input data is given in Table II b Note that Table II b shows only those values which are different than for the perimeter zone The procedure would then be initiate the ABC program as described in Section 4 and input the values given in Table II a LIST to check for input errors CALC to see if results are reasonable when satisfied that the perimeter zone has been properly input ADD to building file edit the input to form data for interior zone This would involve ZONE AREA DIRX ROOF and VENT LIST to for input errors CALC to see if results are reasonable when satisfied with interior zone ADD to building file SUM to obtain the building total The resulting printout is shown on the following pages 11 TABLE II a ABC PROGRAM INPUT LOCATION Montreal UNITS IM _ PROJECT Example building ZONE description Perimeter zone facing south east MULT zone multiplier UE 1 AREA floor area 1000 DIRX direction 5 WALL gross wall area 7 950 u value 0 13 WIND window area 15 u value i 0 63 shading ceet 0 94 ROOF roof area 500 uevalue 0 085 TIME occupied no of days week 5 unoccupied no of days week 0 LITE power to lights occupied 3 0 unoccupied 0 25 PEOP people density occupied 200 unoccupied 0 VENT ventilation min 0 occupied 0 1 unoccupied
14. oof area 600 u value TIME occupied no of days week unoccupied no of days week LITE power to lights occupied unoccupied PEOP people density occupied unoccupied VENT ventilation min 0 occupied unoccupied infiltration occupied 0 unoccupied 0 IM ft ft btu hr ft F ft btu hr ft oF ft btu hr ftZOF watt ft ft person cfm ft or on or or Si watt watt m2 person soc m PUBLIC WORKS CANADA PROGRRM VERSION 3 0 PROJECT EXRMPLE BUILDING Xeew20NE NUMBER 1 20 MULT RRER DIR WALL HIND TIME LITE VENT PERIMETER 20 FRCING SOUTH ERST ZONE MULTIPLIER 180 FLOOR RRER 1000 50 DIRECTION 5 WALL RRER 950 SQ FT U VRLUE 43 BTU HR SQ FT DEG F gt MINDOM AREA 45 4 j U VRLUE 630 BTUCHR SQ FT bEG F SHRDING COEF 94 i ROOF SQ FT U VRLUE 085 BTUZHR SQ FT DEG F OCCUPIED PERIOD 5 DAYS WEEK NIGHTS WEEK UNOCCUPIED 2 DAYS WEEK 7 NIGHTS NEEK OCCUPIED 3 00 lt HATT SQ FT gt PSUNOCCUPIEDS 25 HHTT SG FT GCCUPIED 200 SG FT PERSOMD UNOCCUPTED SG FT PERSOND VENTILATION REQUIREMENTS OCCUPIED 400 4CFM SQ FT i UNGCCIIPIED GGG CFM SQ FT INFILTRATION RATE OCCUPIED 5 CFM SQ FT UNQCCUFIED 0 690 CFM SQ FT weRUSING DATA FI
15. rate estimate of absolute energy consumption DESCRIPTION This program provides estimates of annual building heating cooling energy requirements It uses a table lookup interpolation method based on a database oreated using hourly calculations basically the same algo rithms and weather data as used by the Meriwether ERE program The results are equivalent to those obtained using ERE with the following assumptions Standard weather and solar data building thermal mass effects are neglected room temperature maintained as stated on database Normally heating to 72 F and cooling to 78 F internal load profiles restricted to one value for occupied periods and another value for unoccupied periods ventilation and infiltration similarly assumed to have one constant value for occupied periods and another constant value for unoccupied periods e is not a function of outdoor tempera ture the system without economizer is one which provides the heating or cooling required The only outside air provided is that specified for ventilation infiltration This system is the equivalent of Meriwether s Type 3 system It provides only sensible cooling and never reheats the system using economizer is an ideal system supplying the required quantity of air at tempera ture of 60 F and dewpoint of 57 F The minimum on the supply air flow is equal to the ventilation infiltration This program like M
16. s such as office equipment etc Range 0 to 99 PEOP Enter people density expressed as floor area per person for occupied and unoccupied periods Enter 0 to indicate that there are no people in the room Range 0 to 99999 VEHT Enter ventilation and infiltration rates for occupied and unoccupied periods range 0 to 99 Ventilation is the quantity of outside air supplied by the HVAC system minimum outside air for system with economizer 6 You may request the program to execute the following commands LIST CALC PRIN BEGI STOP This command causes the input data contained in memory to be displayed on the sereen Input data is shown with the Data group identifier used for editing data This command causes the annual heating cooling corresponding to the input data in memory to be calculated and the result displayed on the screen This command causes the input data contained in the memory to be printed on the line printer along with the computed heating cooling ponding to that input This provides a perman ent record of the analysis This command causes the program to prompt you for all of the input data using present values as defaults This may be useful when a number of items of input are to be changed it acts as a check to make sure you don t forget something This command causes the program to stop The following commands are used to sum a number of zones
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