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1. Input Data HEATER BOILER SYSTEM NAME TANK TYPE HEATER ELEMENT TYPE DISTRIBUTION TYPE Description Heater Boiler System NOTE Multiple Water Heaters All values entered here are per heater MICROPAS makes appropriate adjustments when multiple water heaters are specified in the WATER HEATING SYSTEMS Section Name of the heater boiler system This name is entered in the WATER HEATING SYSTEMS Section to include one or more heater s other than Standard in the building Maximum length is 12 characters Type of water heater tank Legal values are Storage This keyword is used for modeling water heaters with water storage capacity greater than two gallons and an input rating of 75 000 Btu h or less Instantaneous Use this keyword for instantaneous demand or tankless or Tankless water heaters that have a storage capacity of less than two gallons Boilers are often found in this category Large Used for storage type water heaters with an input rating greater than 75 000 Btu hr Indirect This keyword is for systems that consist of an insulated tank with no internal heating system Indirect systems are connected via piping and a pump to an instantaneous water heater or boiler Type of heating element Legal values are Gas Used for gas or oil fired heaters Electric Used for electric resistance heaters HeatPump Used for heat pump water heaters Describe
2. HVAC sizing water heating Multiple MICROPAS mung F 2 orientations eee 2 8 3 3 Multiple Conditioned Zones 3 15 Name input values Natural ventilation number Of StOrieS eee 2 9 2005 by Enercomp Inc 03 01 2005 INDEX Compliance e a 2 78 system name eee ee eee eee 2 19 systems input data 2 78 Net area No cooling Non central cooling minimum efficiency sees eee eee 2 72 Non central space heaters minimum efficiency eee eee eee 2 67 NS une 2 101 Number of dwelling unt 2 18 people per mit 2 19 stores 2 9 ZONES seer seede 2 18 Opaque characteristics sese eee ee eee 2 27 2 31 E OTTEN 2 31 EREM EE 2 31 U factor or E Faetor sese esse essere nenn 2 32 Opaque Input Data ronoronnrornrrennrennvnrrrnrersvennessnrnersseerseenneer 2 20 Opaque surfaces MAN 2 27 Orin TEE 2 31 input data sese eee 2 26 A EN 2 25 DON OL TAME ii ies 2 27 Optional coolmg nono 2 69 Organization of Input Data 2 4 Orientatioh seu SEENEN Een building front glazing surfaces opaque surfaces Orientation and plan azimuth diagram sese 2 30 Chyerbang v ccscces civccssecitcacessceecess cubcsdesinevssesidecsdeesecdicenvecttests ST EE input data left OxtenSlOM A e iEde EENS deed eeh egene 2 48 Ta ni A EEN 2 48 HAME icon cinc NEESS Ae SN 2 42 2 47 TAS 2 48 Overhang side Dm 2 44 ET 2 46 Overview of 2005 Changes sss sese eee 1 2 Parametric Run Generator F 2
3. Input Data Description Run Features cont NUMBER OF STORIES Number of habitable stories of the building This value affects the assumed wind speed used for natural ventilation calculations see the NATURAL VENTILATION Section for more information Legal values integer 1 to 3 NOTE Number of Stories For single family buildings MICROPAS is not limited to 3 stories MICROPAS restricts this input value to avoid confusion as to which multi family projects can use MICROPAS for compliance Once any building exceeds 1 story whether it has 2 or more stories will not affect compliance results FUEL TYPE Used to identify if natural gas is available for purposes of establishing the Standard Design If natural gas is not available set to Propane Legal values NaturalGas or Propane COMPLIANCE RUN The Compliance analysis type determines the level of input data available for analyzing the building Enter Compliance whenever preparing California compliance analyses To perform research analyses for those users with the research version enter Research Legal values Compliance Research C HERS and ComplianceSEER10 NOTE Prior to January 23 2006 compliance can be run with 10 SEER which will assume 10 SEER in the standard design calculation on air conditioning equipment and either 6 6 HSPF for packaged heatpumps or 6 8 HSPF for split system heatpumps On that date the Federal minimum appliance eff
4. MASS SURFACES MASS MASS SURFACE AREA CHARAC ZONE NAME sf TERISTICS NAME LOCATION COMMENTS 1 2 3 4 5 SS SLAB 200 SLAB EXP SUNSPACE Exposed Solar radiation which is transmitted through the sunspace glazing can be directed to masses in the sunspace through the use of Absorbed Insolation Fractions Figure 3 10 and the associated discussion found earlier in this chapter describe the use of absorbed insolation fractions within unconditioned zones Note that absorbed insolation fractions are defined by linking glazing surfaces to masses Walls doors and glazing surfaces between the house and sunspace are entered in the INTER ZONE SURFACES Section of input Figure 3 20 provides examples of the sunspace surfaces An inter zone vent system must be set up to model the ventilation between the conditioned zone and the sunspace as illustrated in Figure 3 21 The input value VENTILATION INLET AREA PER ZONE is set to 40 of the total operable area of glazing doors and vents between the sunspace and conditioned zone Figure 3 20 Sunspace Inter Zone Surfaces Input Data INTER ZONE SURFACES INTERIOR OPAQUE SURFACE CHARAC ZONE LOCATION NAME TERISTIC SIDE 2 COMMENTS dl 3 5 6 SSWALL WALL R13 SUNS PACE SSGLASS SS GLASS SUNS PACE 09 15 2005 COMPLIANCE 3 2 T MICROPAS7 Sunspace Ventilation To Outdoors Figure 3 21 Sunspace Inter Zone Vent Input Data INTER ZONE VENTILATION SYSTEMS VENT SYSTEM NAME 1 2
5. MICROPAS7 D et EE 4 11 energy USO SUMMATY sees ee ee ee eee eee 4 5 exterior MASS ss s cecevccesecetcedcocstecdesdesteacecetesedesstestcvecsdeseesses 4 19 fan system ventilation fenestration surfaces eects eee general information eee eee eee HERS required verifications sese 4 14 HOUSEWTAP vises iii inicia 4 6 IS KEE 4 10 HVAC SiZig no noncnnnnnns 4 10 hydronic piping and space heating ee ee ee ee eee 4 17 infiltration control inter zone surfaces inter zone Ventilation see ee eee eee on the plang eech edd dee danccesecebesscvacscebecs cases Opaque SUI ACES seareiro nissin aar cono a aiaa overhangs and side fins perimeter Josgseg nono co nono nonononnnnncnnos radiant barrter sse eee eee eee TOMOS eso Edge d e Eege Ger sample report eu egg de eeEe EE EEEeR isiin Signature requirements eee ee eee eee Slab floor T H solar gain targeting sreinge special cases special features and modeling assumptions sse eee 4 13 submittal requirement sese eee eee thermal mass surfaces eee ee ee ee ee eee water Heating EE water heating system credits water heating system details Characteristic input values see eee ee eee eee L Meet T T representative cities COLA E Combined hydronic system inputs sese eee eee 2 96 Compliance E UE 1 5 methods spas 1 9 LOPOLtS EE 2 14 EE 2 9 D 3 Ge EE 4 3 Compliance problemg sees eee eee B 2 other compliance Options sese ee eee eee BA space Coolmg se eee eee B 3
6. NAME NAME NAME FRACTION FRACTION 1 2 3 4 5 AIF1 SSGLASS1 SUNSLAB e AIF2 SSGLASS2 SUNSLAB AIF3 SSGLASS3 SUNSLAB Absorbed Insolation Fractions AIF provide a method of accounting for the benefits of the thermal mass absorbing the incoming solar radiation By default in MICROPAS all incoming solar is assumed to be absorbed by the zone air and lightweight mass such as furniture and the sheetrock on the walls This is a CEC fixed assumption for all conditioned spaces For unconditioned zones incorporating passive solar design the incoming solar can be directed to the various masses in the building The values stored should be justified by simple calculations of the solar angle and mass surface reflectivity Incoming solar should never be directed to mass surfaces covered with insulating materials such as carpet or furniture 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 2 1 MICROPAS7 Input Data FRACTION NAME GLAZING SURFACE NAME MASS SURFACE NAME WINTER FRACTION SUMMER FRACTION NOTE Absorbed Insolation Fractions Absorbed Insolation Fractions cannot be used for mass in conditioned spaces Description Absorbed Insolation Fractions Name of the absorbed insolation fraction Used for identification purposes only by the user Maximum length is 8 characters Name of the glazing surface through which the solar is being transmitted This must be valid
7. COMPLIANCE i N D EX V MICROPAS7 e EE F 4 d mension co noonnonnnnnn cn nonnnonncnnno F 3 generate Tumncton see eee F 3 internal variables see eee F 8 macro FUNCTION voes e ekeee deed iesi F 9 Parametric Die F 3 Parametric operations men F 6 template file name F 3 template Dles ecceeeceseceeceseeseeeecesecneeeneeeeeeaeenee F 2 F 3 update function sees ee eee F 3 Neza F 3 Passive solar design absorbed insolation fractions Passive solar gwstems e eee eee Peak Conditions Table Report Perimeter length slab on grade see Perimeter Josges ccoo nono ina Period in names Phone number displayed Plan azimuth Opaque SUrface soeren inii inin Pla Checking cocidas Plan checking MICROPAS ee 2 7 Plans energy pech Deatons eee eee ee 4 3 SE 2 52 Primary entry door sss sese eee 2 8 Print compliance reports see ee eee eee 2 14 Product literature submittal requirement sese eee eee 4 3 Production bousmg sss sese eee eee 2 8 3 3 Program Assumptions site and weather data D 4 Zone type Project title Proposed design Publication orders Air Conditioning Contractors of Amertcn sse esse ee 1 15 ART hu rea ext cae sasibece te cibeends concep fabsaatlasdedtvcocdn cub dies sidecases 1 13 CH EE 1 14 CEC A da ida 1 13 GAMA iia rc 1 13 INERG gege 1 14 SMACNA rrrnvererorsenesnerenarsenersernnsenesnerensssenesrereneererensenenee 1 14 quality insul
8. SUNS PACE Yes Sunspace HEATING SYSTEM NAME COOLING SYSTEM NAME DUCT SYSTEM NAME NATURAL VENTILATION SYSTEM NAME FAN VENTILATION SYSTEM NAME THERMOSTAT NAME SIZING NUMBER OF PEOPLE UNIT APPLIANCE GAIN UNIT INFILTRATION CLASS occupants unit Btuh unit Tight Medium Loose one one one SUNS PACE one SunspaceStat The walls ceilings doors and floors between the sunspace and the outdoors are entered in the same way as the surfaces for the conditioned building space with the following exception The input value ZONE NAME is set to SUNSPACE or to the zone name that was defined as the sunspace in the ZONE Section of input Figure 3 19 provides examples of the sunspace surfaces 09 15 2005 2005 by Enercomp Inc Absorbed Solar Inter Zone Surfaces Ventilation Between House and Sunspace O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 19 Sunspace Surfaces to Exterior Example Input Data OPAQUE SURFACES OPAQUE AREA OPAQUE ZONE OR SURFACE OR PLAN CHARAC OPAQUE LOCATION NAME LENGTH AZIMUTH TERISTICS NAME COMMENTS 1 2 4 6 7 8 1 gt SLWALL 80 Left WALL R13 SUNSPACE 2 gt SRWALL 80 Right WALL R13 SUNSPACE GLAZING SURFACES GLAZING GLAZING OVERHANG INT EXT ZONE OR SURFACE AREA PLAN CHARAC SIDE FIN SHADE OPAQUE NAME sf AZIMUTH TERISTICS NAME NAME NAME 1 2 4 5 6 7 8 1 gt SBGLASS1 140 Back MT OP None STANDARD SUNSPACE 2 gt SBGLASS2 200 Back MT SKY None None SUNSPACE
9. This building incorporates a Distributed Energy Storage for Direct Expansion Air Conditioning System DES DX AC This building incorporates Mechanical Ventilation The Homeowner s Manual must include instructions on how to operate the windows and or mechanical ventilation to achieve adequate ventilation This building incorporates altered features When a feature is shown as altered the original feature it replaces is also shown under the existing heading For opaque and fenestration surfaces the existing feature is shown before the altered feature with a number one less than the altered feature For Zones Mass HVAC systems and Water Heating the existing feature is shown just before the altered feature This building incorporates altered fenestration that includes overhangs and or sidefins he existing building incorporates higher opaque U factors or F factors than the defaults for the specified vintage he existing building incorporates higher glazing U factors than he defaults for the specifi vintage he existing building incorporates lower Heating Efficiencies than he defaults for the specifi vintage he existing building incorporates lower Cooling SEERs than he defaults for the specified vintage he existing building incorporates lower Duct R values than he defaults for the specified vintage he existing building incorporates lower Energy Factors than the defaults for the
10. L3 N 20 Bl 16 B1 A 16 B2 N 16 B3 N 20 16 16 MASS SURFACES gt NUMBER OF SURFAC MASS SURFACE NAME AREA sf 1 2 Vert Front one STAN FW Vert Front one STAN FW Vert Front one STAN FWA N Vert Left one STAN LWD D Vert Left one STAN LWA N Vert Left one STAN LWA N Vert Back one STAN BW Vert Back one STAN BW Vert Back one STAN BWA N Vert Back one STAN BWA N Dutyoue G G G z z z OOOPPUOPO0pP ee ee ee e e a GE ET GT PT ch PET ct 0 Q Q LC ES 50 maximum MASS CHARAC TERISTICS LOCATION COMMENTS 3 5 1 gt 2 gt SLAB SLABA N 1005 594 WATER HEATING SYSTEM SLAB CVR SLAB CVR S gt NUMBER OF WATER WATER HEATING NAME 1 HEATING SYSTEMS WATER HEATING TYPE 25 maximum 2 OF HYDRONIC HEATER BOILER HEATERS BOILERS RECIRC SYSTEM NAME INSTALLED SYSTEM NAME 2 3 4 5 3 1 2 COMPLIANCE MANUAL DHW DHW EGAS 50 1 None BOILER INST 1 None 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS What to Submit Compliance for an addition or alteration requires a Certificate of Compliance that shows a positive compliance margin The CF 1R along with the MF 1R form is all that is required for compliance See Figure 3 4 for a sample of a CF 1R using Existing Plus Addition Plus Alteration compliance with the appropriate tags Figure 3 4 Existing Plus Addition Plus Alteration Printouts BUILDING ZONE INFORMATION Floor of of
11. MICROPAS 7 USER MANUAL V7 1 September 2005 Program and Documentation 2005 by Enercomp Inc ENERCOMP Inc A ENERGY ENGINEERING 8 MICROCOMPUTER APPLICATIONS 1721 Arroyo Drive Auburn CA 95603 94831 530 885 9890 voice 885 9892 fax 800 755 5908 toll free info0micropas com www micropas com Chapter 1 COMPLIANCE OVERVIEW Water Heating A new federal standard for water heaters is already in effect This changed the standard Energy Factor for a 50 gallon gas water heater from 0 525 to 0 575 This means that the Standard Design is now a 0 575 Energy Factor with credit accruing only if the Energy Factor is higher When a multi family building has central water heating the Standard Design will also assume central water heating Additional information will be required for central water heating that serves multiple buildings Verified Credits Many new credits are available that require HERS rater verification and or diagnostic testing These are scattered throughout Chapter 2 They include for example quality insulation see ZONE high EER airflow fan wattage cooling capacity see COOLING and buried ducts see DUCT DUCT SYSTEM DETAILS Time Dependent One of the key features of the 2005 California standards is the recognition of the impact of Valuation on peak energy use The methodology is called Time Dependent Valuation TDV For many years the standards have used source energy kBtu ft as the metric for determin
12. 4 4 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc MICROPAS7 CF 1R Special Features and Modeling Assumptions Figure 4 13 CF 1R Special Features and Modeling Assumptions SPECIAL FEATURES AND MODELING ASSUMPTIONS Items in this section should be documented on the plans installed to manufacturer and CEC specifications and nda verified during plan check and field inspection nb This building incorporates a SEER 10 standard air conditioner to establish the standard design energy use and must be submitted before January 23 2006 to be Valid This is a multiple orientation building This printout is for the front facing North his building incorporates Sunspace his building incorporates Zonally Controlled HVAC System his building incorporates Controlled Ventilation Crawlspace his building incorporates a Combined Hydronic Space and Water Heating System his building incorporates a Separate Hydronic Space Heating System R 5 slab insulation to a depth of 16 inches is required for hydronic radiant floor systems in a concrete slab on grade The insulation is treated as an energy neutral feature and is not modeled for compliance credit R 0 must be modeled in this climate zone R 10 slab insulation to a depth of 16 inches is required for hydronic radiant floor systems in a concrete slab on grade The insulation is treated as an energy neutral feature and is not modeled for compliance credit R 7 must
13. Doe amp McClatchy Company Enercomp Inc Address 121 E Broadway Ste 200 Address 1721 Arroyo Drive Sacramento CA 95814 Auburn CA 95603 Phone 916 555 2323 Phone 800 755 5908 License 23120 Names addresses phone numbers and signatures of the compliance documentation author and the designer or owner are required here on the CF 1R Report as part of the submittal O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 1 5 MICROPAS7 CF 1R Report Special Cases Figure 4 17 CF 1R Cardinal Orientation Summary MICROPAS7 ENERGY USE SUMMARY Energy Use Standard Proposed Compliance kTDV sf yr Design Design Margin pace Heating 0 26 d pace Cooling 1 0 Ta ater H i ES Sia 0 North Total 26 25 Heating 0 Ze Cooling Le 0 H i ES Sg East Total 26 25 Heating 0 2 Cooling 1 0 H i 3 Bie South Total 26 254 Heating 0 2 Cooling 1 Qs H i ER 3 West Total 26 25 Building complies with Computer Performance HERS Verification Required for Compliance Selecting Cardinal in the RUN FEATURES menu for FRONT ORIENTATION will automatically rotate the building in four cardinal orientations MICROPAS will expand the energy use summary to include the results for each orientation CF 1R Water Heating System Credits Figure 4 18 CF 1R Water Heating Credits WATER HEATING SYSTEM CREDITS DETAIL Solar Pump Wood Wood Savings Energ
14. SYSTEM NUMBER OF SYSTEMS SERVING ZONE HEATING SYSTEM NAME COOLING SYSTEM NAME Yes FURN 90 13 gt OPAQUE SURFACES gt NUMBER OF SURFACES OPAQUE SURFACE OR NAME LENGT 1 2 AREA DUCT SYSTEM NAME ATTIC R4 2 100 maximum OPAQUE ZONE OR PLAN CHARAC OPAQUE LOCATION H TILT AZIMUTH TERISTICS NAME COMMENTS 3 4 6 E 8 1 gt 2 gt 3 gt 4 gt 5 gt 6 gt 7 gt 8 gt 9 gt 0 gt 1 gt 2 gt 3 gt 4 gt R 5 gt RA N 6 gt E 7 gt EA N FW FW A FWA N LWD D LWA N BW BWD D BWA N RW GWA N FD LDD D GDA N 196 196 88 288 176 208 96 288 288 264 20 17 8 17 8 1005 594 123 102 GLAZING SURFACES GLAZING SURFACE AREA NAME sf ak 2 gt NUMBER OF SURFACES Ver Front E WALL HOUSE Ver Front WALL R13 16 HOUSE Ver Front WALL R13 16 ADD N Ver Left E WALL HOUSE Ver Left WALL R13 16 D N Ver Back E WALL USE Ver Back E WALL USE Ver Back WALL R13 16 D N Ver Right E WALL HOUSE Ver n a WALL R13 16 ADD N Ver Front DOOR EW Ver Left DOOR LWD D Ver n a DOOR GWA N Horz n a E ROOF HOUSE Horz n a ROOF R30 ADD N Horz n a EDGE EXT HOUSE Horz n a EDGE EXT ADD N Osdsdfe ds dedede ds dadd et c 100 maximum GLAZ OVERHANG PLAN CHARAC SIDE FIN SHADE OPAQUE TILT AZIMUTH TERISTICS NAME NAME NAME 3 4 5 6 7 8 INT EXT ZONE OR 5 gt 6 gt 7 gt 8 gt 9 gt 10 gt 11 gt 12 gt 13 gt 14 gt F3 F3 A F4 N 12 L1 D 12 L2 N 4
15. Wall North 204 Wall East 264 Wall South 192 Wall West 288 Wall Northeast Bille Roof Horizontal 1592 Door North 20 SlabEdge n a 160 1214 1214 1214 0 1114 0 0 0 1214 0 0 0 0 1442 1049 1573 202 3155 450 5256 1214 0440 5000 7300 0 0 0 0 0 0 0 0 xxx KM N N N NR N N NR N N N N GODO G GO EN CONDUCTIVE TOTALS FOR OPAQUE SURFACES 14241 Window North 24 Window North 40 Window East 24 Window South 48 Door South 80 Window West D Window Northeast 8 Skylight Horizontal 8 6500 6500 6500 6500 0 702 0 0 0 0 6500 0 0 0 1170 702 1404 2340 936 234 270 6500 6500 7500 NR N N MM N N S NR N N NR N N N N DO OD Soo CONDUCTIVE TOTALS GLAZING SURFACES 7758 INFILTRATION Type Standard 12800 cuft x 0 60 ac hr x 0 018 Btu cuft F x 45 0 SUBTOTAL DUCT HEAT LOSS Duct Location Attic 0158 x 28191 TOTAL HEATING LOAD O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 3 1 MICROPAS7 Figure 4 31 cont d Sizing Detailed Report HVAC SIZING HVAC Page 3 Date 09 15 05 11 54 52 Project Title Sample Micropas Run MICROPAS7 v7 10 User MP0101 File MP7BASE Wth CTZ12S05 User Enercomp Inc Program FORM CF 1R Run Cardinal Orientation COOLING LOAD CALCULATIONS DESIGN CONDITIONS FOR ZONE HOUSE SUMMER DESIGN CONDITIONS Inside Temperature Outside Temperature Temperature Range DESIGN EQUIVALENT TEMPERATU
16. ZONE NAME LIVING CONDITIONED Yes ZONE TYPE Residence FLOOR AREA sf 5 gt VOLUME cuft NUMBER OF DWELLING UNITS CREDITS 7 gt HOUSEWRAP VERIFIED AIR LEAKAGE Yes No SLA 8 gt RADIANT BARRIER Yes No CoolRoof 9 gt VERIFIED INSULATION QUALITY Yes No SYSTEM NUMBER OF SYSTEMS SERVING ZONE HEATING SYSTEM NAME FURN 80 COOLING SYSTEM NAME AC 13 0 TXV DUCT SYSTEM NAME NATURAL VENTILATION SYSTEM NAME ONE STORY FAN VENTILATION SYSTEM NAME THERMOSTAT NAME LivingStat SIZING NUMBER OF PEOPLE UNIT occupants unit APPLIANCE GAIN UNIT Btuh unit INFILTRATION CLASS Tight Medium Loose Medium Opaque Surface Zone For buildings that have multiple zones defined all surfaces must be assigned to a zone by Identification entering the appropriate zone in the ZONE OR OPAQUE NAME section of the OPAQUE SURFACES menu see Figure 3 6 When using the net area method for GLAZING SURFACES i e the ZONE OR OPAQUE NAME is HOUSE rather than an opaque surface name select a zone LIVING or SLEEPING for each glazing surface described See the Glazing section in Chapter 2 Input Reference for more details Figure 3 6 Zone Input Data for Opaque Surfaces OPAQUE SURFACES gt NUMBER OF SURFACES 100 maximum OPAQUE AREA SOLAR OPAQUE ZONE OR SURFACE OR PLAN GAINS CHARAC OPAQUE LOCATION NAME LENGTH TILT AZIMUTH Y N TERISTICS NAME COMMENTS 1 2 3 4 5 6 7 FWALL 88 Vert Front Yes WALL FSWALL 88 Vert Front Yes WALL LWALL 88 Vert Left Yes
17. each of the four cardinal orientations with the same energy features MICROPAS automates this method by generating compliance calculations for each of the four cardinal orientations north east south and west To use this feature set the input value FRONT ORIENTATION in the Building Run Features Section to Cardinal MICROPAS calculates compliance for all four orientations MICROPAS produces a single CF 1R report which documents compliance for all four orientations An example of the run results summary found on the CF 1R report is shown in Figure 3 1 O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 3 MICROPAS7 Figure 3 1 Example Multiple Orientation Results Found on CF 1R Report MICROPAS7 ENERGY USE SUMMARY Energy Use Standard Proposed Compliance kTDV sf yr Design Design Margin Space Heating 5 7 1 Space Cooling Ta W I 1 Water H 3 2 Qs North Total 40 40 0 Heating 5 7 Cooling 1 4 H i 3 2 East Total 40 44 Heating 5 T Cooling 1 W I H i 3 Da South Total 40 40 Heating 5 7 Cooling 1 3h H 3 2 West Total 40 43 Building does not comply with Computer Performance HERS Verification Required for Compliance Additions and Alterations Overview All building additions and many alterations must comply with the energy standards Regardless of the size of an addition MICROPAS may be used to demonstrate compliance Energy compl
18. upstairs and downstairs in a two story home It also provides zone heating and cooling loads which may be useful for equipment selection When credit for zonal control is not being modeled it is not necessary to model surfaces between zones 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Zoning the Building Divide the building up into two or more zones to accurately reflect the areas of the building with different conditions Set the input value NUMBER OF DWELLING UNITS for each zone proportional to its conditioned floor area For example a 1500 sf single family home divided into 1200 sf and 300 sf zones would have values of 0 80 1200 sf 1500 sf and 0 20 300 sf 1500 sf for NUMBER OF DWELLING UNITS For buildings with multiple HVAC systems this technique will allow an HVAC system to be defined for each building zone each of which can be of any type or efficiency For buildings with different features this technique will allow more detailed modeling of building conditions within the parameters of the MICROPAS input file Unconditioned Zones Unconditioned Zones Internal Heat Gains and Heat Capacity Zone Names For residential compliance purposes most buildings can be modeled as a single conditioned building zone However the CEC has approved MICROPAS multiple zone analysis methods for two types of buildings that contain unconditioned zones A building may be divided into conditioned and uncondit
19. 1 gt SSVENT SUNHOUSE CONTROL ZONE NAME SECONDARY ZONE LOCATION NAME COMMENTS 3 4 5 HOUSE SUNSPACE NAME NATURAL VENTILATION SYSTEMS INLET AREA PER ZONE 3 HEIGHT DIFF ft NATURAL NATURAL VENTILATION VENTILATION SYSTEM NAME TYPE 1 2 SUNHOUSE Special Sunspace ventilation to the outdoors is critical for preventing sunspace overheating during all except the coldest months of the year The input value INLET AREA PER ZONE is set to 40 of the actual operable area of sunspace glazing doors and vents between the sunspace and the exterior The input value HEIGHT DIFFERENCE is set to the actual height difference of the upper and lower operable ventilation areas of the sunspace The minimum value used for the sunspace HEIGHT DIFFERENCE is 2 0 ft Figure 3 22 Sunspace Ventilation to the Outdoors NATURAL VENTILATION SYSTEMS INLET AREA PER ZONE HEIGHT DIFF ft NATURAL VENTILATION SYSTEM NAME 1 2 3 4 NATURAL VENTILATION TYPE 1 gt SUNSPACE Special 25 20 10 0 Adding to Appendix IV Lookup Tables Overview Appendix IV Operations Menu 3 2 8 COMPLIANCE MANUAL U factors and F factors determine the conductive heat transfer of opaque surfaces The Form 3R is replaced by tables of U factors developed by the CEC and published in Joint Appendix IV of the Building Energy Efficiency Standards The multiple tables of Appendix IV cover most known construction types MICROPAS includes th
20. A E Oy een CET See Ree 280 0 800 270 90 tandard Single Operable 280 0 800 270 90 tandard Single Operable 280 0 800 270 90 tandard Single Operable 280 0 800 90 90 tandard Single Operable 280 0 800 180 90 tandard Single Operable 280 0 800 90 tandard Single Operable vunz 600 0 650 tandard per Defaul 600 0 650 tandard i per Defaul 600 0 650 tandard j per Defaul 600 0 650 tandard i per Defaul 600 0 650 tandard per Defaul 600 0 650 tandard R2 Vinyl Oper Defaul tt atBR td 10 oo bis Ss Z e 280 0 800 tandard 11 Alum Single Operable v A tandard F4 Vinyl Oper Default 600 0 650 tandard L2 Vinyl Oper Default 550 0 tandard L3 Vinyl Wood Door De tandard B2 Vinyl Oper Default tandard B3 Vinyl Oper Default tandard B4 Vinyl Wood Door De tandard B5 Vinyl Oper Default De e e A Ct Ct O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 1 3 MICROPAS7 Refrigerant Charge RC 3 1 4 COMPLIANCE MANUAL Figure 3 4 Existing Plus Addition Plus Alteration Printouts cont d HVAC SYSTEMS Verified Verified Verified Verified Verified Maximum Refrig Charge Adequate Fan Watt Cooling or TXV Airflow Draw Capacity Number System of Minimum Type Systems Efficiency EER HOUSE Existing Furnace ACSplit HOUSE Altered Furnace ACSplit ADDTN New Furnace ACSplit AFUE n a n a n a n a n a SEER No No No No No 0 750 8 00 n a n a n a n a Yes No No No 0 90
21. AIR LEAKAGE Yes No SLA 8 gt RADIANT BARRIER Yes No CoolRoof 9 gt VERIFIED INSULATION QUALITY Yes No HVAC SYSTEM 10 gt NUMBER OF SYSTEMS SERVING ZONE 11 gt HEATING SYSTEM NAME FURN 80 12 gt COOLING SYSTEM NAME AC 13 0 TXV 13 gt DUCT SYSTEM NAME 14 gt NATURAL VENTILATION SYSTEM NAME ONE STORY FAN VENTILATION SYSTEM NAME THERMOSTAT NAME Setback SIZING NUMBER OF PEOPLE UNIT occupants unit Overview Compliance analysis for most residential buildings will treat the entire building as a single zone Multi zone buildings include buildings with attached sunspaces controlled ventilated crawlspaces zonally controlled HVAC systems and multiple HVAC systems The CEC has approved methods for modeling multi zone building energy features which are described in Chapter 3 Advanced Topics The discussion in this chapter assumes a single zone building The ZONE Section specifies the size of the zone the type of HVAC equipment that conditions the zone and other information related to the zone There are two options and procedures for obtaining compliance credit for reduced building envelope air leakage These credits require installation of an approved housewrap product or HERS verified testing the air infiltration of the constructed house with a blower door 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 1 5 MICROPAS7 Indirectly Conditioned Spaces Unconditioned Spaces Housewrap An indirectly conditioned space is one
22. Detached New NaturalGas Front Facing 0 deg 1 1 FullYear N Slab On Grade 1 12800 cf 1600 sf b of floor area 0 65 Btu hr sf F 2 INFORMATION of of Volume Dwell Peop cf Units le Floor Area Zone Type sf Vent Verified Area Leakage or sf Housewrap Vent Height ft Cond Thermo it stat ioned Type Residence 1600 12800 1 00 4 0 09 15 2005 Yes Setback 2 0 Standard No COMPLIANCE 4 2 1 MICROPAS7 Figure 4 27 cont d CF 1R Report CERTIFICATE OF COMPLIANCE RESIDENTIAL COMPUTER METHOD CF 1R Page 2 Project Title Sample Micropas Run Date 09 15 05 09 28 15 MICROPAS7 v7 10 File MP7BASE Wth CTZ12S05 Program FORM CF 1R User MP0101 User Enercomp Inc Run Sample OPAQUE SURFACES U Sheath Solar Appendix Frame Area fact Cavity ing Act Gains IV Location Surface Type sf or R val R val Azm Tilt Reference Comments Wall Wood 204 0 102 0 9 A3 Wall Wood 264 0 102 90 9 A3 Wall Wood 192 0 102 180 9 A3 Wall Wood 288 0 102 270 9 A3 Wall Wood 37 0 102 45 9 A3 Corner Wall RoofRad Wood 1592 0 026 n a 1 A8 Door Other 20 0 500 0 5 A4 PERIMETER LOSSES Appendix Length F2 Insul Solar IV Location Surface ft Factor R val Gains Reference Comments 8 SlabEdge 160 0 730 R 0 No IV 26 Al FENESTRATION SURFACES Exterior Area U Act Shade Orientation sf factor SHGC Azm Tilt Type Location Comments Wind Front 24 Wind Front 40 Wind Left 24
23. OR PLAN CHARAC OPAQUE LOCATION NAME LENGTH TILT AZIMUTH TERISTICS NAME COMMENTS de 2 3 4 6 7 8 CSTEM 225 Vert n a STEM WALL R5 CRAWLSPC Stemwall CPERIM 160 n a n a SOIL EDGE CRAWLSPC Perimeter CSILL 70 Vert n a WALL R21 CRAWLSPC Framed Sill OPAQUE CHARACTERISTICS gt NUMBER OF CHARACTERISTICS 50 maximum OPAQUE OPAQUE CAV SHEATH U VAL APP APPENDIX IV CHARAC SURFACE FRAME ITY ING OR IV LOOKUP TERISTIC TYPE TYPE R VAL R VAL F VAL LOOKUP NAME 1 2 3 4 5 6 7 STEM WALL R5 Wall None 5 0 0 157 No NONE SOIL EDGE Wall None 0 0 0 42 No NONE WALL R21 Wall n a n a n a n a Yes W 21 2X6 16 Floor Between the The floor between the conditioned building space and the crawlspace is modeled in the Inter House and Zone Surfaces Section see Figure 3 14 Since floor insulation is usually not installed in a Crawlspace CVC system the insulation value of the carpet and pad R 2 0 has a significant effect Figure 3 14 CVC Inter Zone Surface Input Data INTER ZONE SURFACES INTERIOR OPAQUE SURFACE AREA CHARAC ZONE ZONE LOCATION NAME sf TERISTIC SIDE fl SIDE 2 COMMENTS 1 2 3 4 5 6 1 gt EFLOOR 240 FLOOR EXP HOUSE CRAWLSPC Exposed Framed Floor 2 gt CFLOOR 1360 FLOOR CVR HOUSE CRAWLSPC Covered Framed Floor OPAQUE CHARACTERISTICS OPAQUE OPAQUE CAV SHEATH U VAL APP APPENDIX IV CHARAC SURFACE FRAME ITY ING OR IV LOOKUP TERISTIC TYPE TYPE R VAL R VAL F VAL LOOKUP NAME 1 2 3 4 5 6 7 FLOOR EXP Floor Wood 0 0 0 41 No None FLOOR CV
24. R value Note that for an exterior mass the mass type ExteriorHorz or ExteriorVert will appear above the opaque surfaces instead of the building zone name that normally appears above the opaque surfaces COMPLIANCE 4 1 9 09 15 2005 MICROPAS7 Special Notes U factor Insulation R value The U factor listed for an exterior mass is calculated by MICROPAS by combining the effects of the interior and exterior insulation see below the steady state thermal resistance of the mass and the interior and exterior air films see Appendix E Program Assumptions for assumed values For exterior mass the insulation level is the sum of values listed on the CF 1R Report in the Cavity and Sheathing R value columns in the Opaque Surfaces section CF 1R Fan System Ventilation Figure 4 26 CF 1R Fan System Ventilation FAN SYSTEMS Flow Power System Type cfm W cfm HOUSE UnBalanced 80 1 000 In a building where mechanical ventilation is required because the building envelope leakage is significantly reduced a Fan Systems section will be printed on the CF 1R See Chapter 2 Input Reference and Residential Manual Chapter 4 for more information on fan ventilation 4 2 0 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS CF 1R Certificate of Compliance Residential Computer Method 2005 by Enercomp Inc Figure 4 27 CF IR Report CERTIFICATE OF COMPLIANCE RESIDEN
25. Standards require determining design heat loss rate and design heat gain rate by an acceptable method MICROPAS performs approved load calculations with its HVAC Sizing option These sizing calculations may be supplied to the person responsible for equipment selection such as the mechanical contractor or installer That individual is required to provide Form CF 6R an Installation Certificate which must be posted at the building site or made available to the building inspector prior to final inspection The CF 6R is not required for permit submittal It is intended to insure installation of equipment that meets the efficiency requirements of the compliance documentation It may also serve to demonstrate compliance with the UBC requirement that the heating system be capable of maintaining 70 degrees at a height three above the floor throughout the conditioned space of the building See the Residential Manual for more information If the compliance work is performed on a consulting basis it is extremely important for the consultant to convey to his her client the designer owner or builder in a clear and concise manner any energy features required to meet the standards The easiest way to do this is with a cover letter or by discussing the CF 1R Report with the client Clients should be informed that the installing contractor on many building components must complete and sign the CF 6R installation certificate Communication is particularly importa
26. WALL LSWALL 00 Vert Left Yes WALL BWALL 20 Vert Back Yes WALL BSWALL 200 Vert Back Yes WALL RWALL 320 Vert Right Yes WALL CWALL 45 Vert 45 Yes WALL QE E E lt H lt lt lt m lt ns lt S lt MPOUE E E 00090 0 w w W ww www Corner Wall E ROOF 000 Horz n a Yes ROOF ROOFS 600 Horz n a Yes ROOF FDOOR 20 Vert Front Yes DOOR EEDGE 60 n a n a No EDGE DD Ww CO Hunt S L E SURFACES MASS MASS SURFACE AREA CHARAC ZONE NAME sf TERISTICS NAME LOCATION COMMENTS 1 2 3 4 5 CVR SLAB 1000 SLAB CVR LIVING CVR SLBS 600 SLAB CVR SLEEPING TILEVERT VTILE 1 0 LIVING Tile Walls TILEHORZ HTILE 1 0 LIVING Tile Floor MASSWALL RETWALL X E LIVING Exp Ext Retaining Wall 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 1 D MICROPAS7 Interior Surfaces Between Zones Multiple HVAC systems Interior Surfaces Between Zones 3 1 8 COMPLIANCE MANUAL All surfaces between the two zones must be modeled in the Inter Zone Surface Section of input This includes all floors walls doors and ceilings that separate the two zones U values commonly used are e Doors 0 50 e Uninsulated framed walls floors and ceilings 0 293 e Non closeable openings 20 0 e Glass 1 10 Figure 3 7 provides an example of inputs for surfaces between zones Figure 3 7 Inter Zone Input Data for Zonal Control INTER ZONE SURFACES INTERIOR SURFACE NAME OPAQUE AREA CHAR
27. analyze the building on a unit by unit basis The whole building approach generally provides the best compliance result and requires the least analysis effort With either technique ignore all building components that are between the conditioned space of the other dwelling units i e common floors walls and ceilings The calculations performed to determine the size of the HVAC equipment should always be based on a unit by unit analysis One approach to this is to size the equipment based on the requirements of the worst case dwelling unit usually an upper level unit with a large surface area exposed This approach should be used with caution because it often leads to oversized equipment and thus added construction costs for the other units in the building A preferable method is to size the HVAC equipment for a variety of unit types upstairs versus downstairs units end units versus interior units etc Several water heating systems for multi family dwellings may be modeled using MICROPAS These include Central water heating systems with or without piping between buildings e Individual or non central systems e Central plus non central systems with some restrictions See Chapter 2 Input Reference for more information on how to model water heating systems 3 2 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Production Housing Production housing is a single building plan built more tha
28. be greater than the height of a typical slab floor edge NOTE Mass Type BelowGrade The modeling assumptions associated with the keyword BelowGrade do not reflect current assumptions for below grade surfaces This keyword should not be used If mass walls are insulated on the inside surface the R value of the insulation is shown in the input SURFACE R VALUE of the MASS CHARACTERISTICS The example shows the below grade wall with an effective insulation value of R 10 8 including framing insulation and gyp board 3 3 6 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 34 Thermal Mass Data for a Basement MASS SURFACES MASS AREA CHARAC sf TERISTICS LOCATION COMMENTS d 2 3 5 BSHAL 420 BWALL Shallow Basement BMED 420 BWALL Medium Basement BDEEP 420 BWALL Deep Basement BSLAB 1200 BASE FLR Basement Floor MASS SURFACE NAME MASS CHARACTERISTICS THICK SURF VOLUME CON CHARAC NESS ACE HEAT DUCT TERISTIC MASS TYPE in R VAL CAP IVITY UIMC 1 2 3 4 5 6 7 ExteriorVert 8 0 10 8 15 7 0 44 ExteriorHorz 355 2 0 28 0 98 MASS BWALL 1 8 BASE FLR 1 8 Gas Absorption Coolino Input Data SEO COOLING SYSTEM NAME COOLING SYSTEM DESCRIPTION SEASONAL EER O 2005 by Enercomp Inc The California Energy Commission CEC has approved a calculation method for gas absorption cooling systems Unlike typi
29. be modeled in this climate zone his building incorporates non standard Natural Vent Area or Vent Height his building incorporates a Housewrap Air Infiltration Retarder his building incorporates a Radiant Barrier his building incorporates a Radiant Barrier used as part of an alteration his building incorporates a Cool Roof his building incorporates a Cool Roof used as part of an alteration his building incorporates Metal Framing his building incorporates non standard Fenestration Shading his building incorporates a High Mass Design his building incorporates Solar Gain Targeting his building incorporates non standard Duct R value his building incorporates non standard Duct Efficiency his building incorporates a wood space heating system his building does not have a cooling system installed Mandatory Measures require a R 12 or greater external blanket on Gas Storage Water Heaters with Energy Factors less than 0 58 This building incorporates non standard Water Heating System This building incorporates a Solar Water Heating System Solar system performance must be documented with SRCC documentation and either Commission approved worksheets or with F Chart software printout This building incorporates a Gas Absorption Air Conditioner 4 1 2 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Figure 4 13 cont d CF 1R Special Features and Modeling Assumptions
30. calculations performed See What To Submit found in Chapter 4 for a description of what documentation is required for an energy compliance submittal The data shown in Figure 2 6 is typical of what is required to produce the calculations and the compliance reports for an analysis with the Computer Performance compliance method as well as HVAC Sizing calculations Chapter 4 Report Descriptions discusses the various compliance reports required and what to submit for performance compliance Description Calculations and Reports CALCULATIONS Keyword that specifies the type of Computer Performance compliance calculations for MICROPAS to perform Both requests the normal compliance calculation of both the Proposed Design energy use and the Standard Design energy use also known as the energy budget StandardOnly requests only the Standard Design energy use calculations ProposedOnly requests only the Proposed Design energy use calculations Specifies whether space conditioning excluding water heating energy budget calculations are to be performed within the MICROPAS Computer Performance Calculations To analyze water heating performance alone save time by not running space conditioning calculations Legal values Yes or Nol Specifies whether water heating calculations are to be performed For normal compliance this value should be Yes Legal values Yes or No Specifies whether to perform HVAC Sizing calculations
31. design assumption sese eee eee 1 2 Greenhouse garden window COMPLIANCE IN D EX i i MICROPAS7 Areal 2 38 orientation sea aeaa e nono nn cn nono ATES 2 39 ren GE 1 6 2 25 Ground Reflectivity erengan D 5 Ground Temperature DA Gypsum board sese 2 32 Heat Balance Table Report 2 106 Heat Flows Table Report 2 107 Heat pump ASPEN 2 67 minimum efficiency eee eee eee 2 64 Heater boiler number installed NASA see Heating Degree Days D 5 Heating system name 2 19 2 65 ped 2 65 SPEED SEE 2 24 A A A eer 2 79 EE 1 13 2 23 2 52 2 23 2 53 Housewrag ek ske anai naaa aiei 2 16 2 18 combined with reduced duct leakage sss esse 2 16 Ced EEE E TE 2 18 J E ES EE EE 2 67 HVAC buried dC icere E E E n de change in federal standard effective date of 13 SEER change equipment minimum efficiencies evaporat V e edd deer echter heating system AFUE eee heating system NAME eee eee eee ee heating system pe new federal SEER 13 non central cooling PER non central system minimum AFUE KEEN HVAC sizing appliance game D 6 indoor design temperatures sese sees eee eee eee e 2 12 Infiltration class stole ONE latent cooling Joad multi family building multiple HVAC systems iv l N D EX COMPLIANCE 03 01 2005 multiple ZONES cs scscccccescoessese catcenseccbcsasescdecesecencessecstestcens 2 11 number of people per unit eee ee ee eee eee 2 19 out
32. eee nnne 4 5 CF 1R General Information 4 5 CF 1R Building Zone Information eee 4 6 E en Reie UE ee 4 7 CF 1R Perimeter Losses see 4 7 CF 1R Fenestration Gurtaces eee 4 8 CF 1R Overhangs and Side Fins see 4 9 CE 1R lee EE 4 9 CF 1R HVAC Systems ccccccccccceecececeeeeeeeeceeeeeeeeeees 4 10 CGF IR HVAC Sizing EE 4 10 CF 1R Duct Systems eee 4 11 CF 1R Water Heating Systems eee 4 11 CF 1R Special Features and Modeling Assumptions 4 12 CF 1R HERS Required Verifications eee 4 14 GEIRR ES 4 15 CF 1R Compliance Giatement ee eee ee 4 15 CF 1R Report Special Lasuna 4 16 CF 1R Cardinal Orientation ubica iii 4 16 CF 1R Water Heating System Credts sees eee eee 4 16 CF 1R Water Heating System Details 4 17 CF 1R Hydronic Piping and Space Heating 4 17 CF 1R Inter zone Surfaces AAA 4 17 CF 1R Absorbed Solar ici dd 4 18 CF 1R Inter zone Ventilation eee eee 4 18 CFR Thermal Mass iio rrn nnrreeennn nna 4 18 E Exterior EE 4 19 CF 1R Fan System Ventilation eee eee 4 20 CF 1R Certificate of Compliance Residential Computer Method 4 21 Mandatory Measures Report eee eee 4 25 HVAC SIZING REPONS seat chdeicahderidcebeevidehdeuhdueltevkdeebdevhdeebdebaebeevids 4 28 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 1 MICROPAS7 Overview What to Submit Plan Checking MICROPAS Compliance Submittals This chapter describes the compliance
33. levels of detail The detail of the report is selected with the input value HVAC SIZING CALCULATIONS found in the Calculations and Reports section of input data The Summary report is a single page summarizing the indoor and outdoor design conditions and summarizing the loads As the CF 1R report now includes a section on HVAC sizing additional sizing pages are not normally required for compliance submittals The Detailed report is two or more pages detailing each calculation within the MICROPAS sizing methodology The HVAC Sizing Summary report is included as the first page of the detailed sizing reports NOTE Detailed Reports Because of its length and complexity the Detailed Report is not recommended for compliance submittals Multi Zone Buildings If your building has more than one zone the Summary report will contain multiple pages of sizing calculations The first page will contain calculations for the building as a whole The subsequent pages will contain calculations for each of the building zones These latter pages can be used to size equipment on a zone by zone or room by room basis depending how the building is divided Example Reports The next section provides examples of the following HVAC Sizing reports Single Zone Building Sizing Summary Report e Multi zone Building Sizing Summary Report e Sizing Detailed Report for Single Zone Building 4 2 8 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 R
34. name defined in the Glazing Surfaces Section of input Maximum length is 8 characters Name of mass surface which is absorbing the solar radiation This must be valid name defined in the Thermal Mass Surfaces Section of input Maximum length is 8 characters Fraction of the transmitted solar radiation absorbed by the thermal mass during the winter months Solar not targeted to a particular mass is assumed to be absorbed by the zone air and lightweight mass Legal values 0 00 to 1 00 Fraction of the transmitted solar radiation absorbed by the thermal mass during the summer months Solar not targeted to a particular mass is assumed to be absorbed by the zone air and lightweight mass Legal values 0 00 to 1 00 Controlled Ventilation Crawlspace CVC Figure 3 11 Controlled Ventilation Crawlspace Schematic 3 2 2 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Overview Example Input File CVC Installation Criteria Defining the Crawlspace Zone Chapter 3 ADVANCED TOPICS The under floor crawlspace of a building can act as a buffer space for the building when crawlspace ventilation is reduced vents are automatically controlled and insulation under the building floor is replaced by insulation in the crawlspace walls With these features the soil floor of the crawlspace provides some thermal mass benefits and the placement of the insulation minimizes the influence of outdoor air on the crawlspace temperature For compli
35. of 0 575 Typically the energy factor is less than one except for heat pump water heaters which will typically have an energy factor rating greater than two Note that the energy factor includes other system losses such as standby loss Units none Water heater tank volume for tank type water heaters This value is found in CEC approved water heater directories Units gallons The heating input of the system Note that this value is only necessary for combined hydronic or hydronic only heating systems Units Btu hr or kW depending on the heater element type O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 9 3 MICROPAS7 Input Data PILOT LIGHT EXTERNAL INSULATION INTERNAL INSULATION RECOVERY EFFICIENCY AFUE STANDBY LOSS Overview Active Solar Systems Passive Solar Systems Description Heater Boiler System cont The pilot light energy consumption for instantaneous tankless indirect gas or boiler water heating systems Units Btu hr Specification of the R value of insulation that is physically wrapped around the tank This value applies only to large gas storage type water heating systems and indirect gas water heaters Legal values R 0 to no maximum Specification of the R value of insulation that is internally installed by the manufacturer This value is found in the certification information for water heaters and applies only to indirect ga
36. reports generated by MICROPAS The primary report for the performance compliance method is e CF IR Certificate of Compliance Residential Computer Method The supporting documentation consist of the following reports e MF 1IR Mandatory Measures Checklist e HVAC Sizing Calculation Report an optional report as the CF 1R now includes a summary e Additional non MICROPAS documentation or compliance forms such as manufacturers literature or test data may be appropriate for special building features The CF 1R Report is described here in great depth Refer to the Residential Manual for further information on the MF 1R form The next section is devoted to discussing the various reports required for submittal to the building department he energy compliance plan check should include detailed review of the CF 1R Report for the Computer Compliance method to insure the input values used accurately represent the building plans being submitted Chapter 2 Input Reference describes the MICROPAS input data in great detail and should be the primary reference for plan checking MICROPAS submittals Except for some data conversions required by MICROPAS to meet the CEC reporting format the data listed on these reports is the same as the data entered by the user What To Submit Example Reports The energy compliance submittal must demonstrate that the Proposed Design complies with energy requirements and must clearly indicate to the building official
37. rooms the input file for the AdditionAlone proposed building can include verified leakage e Package D assumption for existing conditions This will however trigger a HERS verification notice on the CF IR NOTE Altering HVAC systems Most changes to the HVAC system trigger a prescriptive requirement for tested ducts which also affects the Standard Design for performance compliance To model credit for cool roof or radiant barrier in only a portion of a dwelling such as in an addition model each attic roof condition as a separate zone Multiple Conditioned Zones 2005 by Enercomp Inc This section describes how to analyze two specialized conditions 1 Zonally controlled HVAC systems which receive compliance credit 2 Multiple zones in a single building without zonal control credit COMPLIANCE 3 1 5 09 15 2005 MICROPAS7 Zonally Controlled HVAC Systems Certain HVAC systems have the ability to condition multiple zones within a single dwelling unit These systems are called Zonally Controlled HVAC Systems and may receive compliance credit when they meet specific CEC requirements Zonally controlled systems can save energy by allowing the occupant to setback unoccupied areas of the building while keeping occupied areas within the desired heating and cooling thermostat setpoints This control may be achieved with multiple HVAC systems or a single system with the ability to control multiple zones separately The disc
38. sese esse eee eee 2 73 bousewranp sese eee eee in multiple locations inside Conditioned space sse eee eee 2 74 ETT O See Nace Nee EET 2 75 IGGATION id ii 2 74 2 75 multiple R values 2 73 Te Re 2 73 AAA A odi 2 74 EG Hs S TET 2 77 NE ae Aree e strie stud 2 19 2 75 System OVELVICW see eee 2 73 systems input data 2 72 2 77 03 01 2005 2005 by Enercomp Inc E EE DE 2 72 p AEE A E EEEE EEA TE EES 2 75 tested leakage T 2 76 vertedero 2 74 2 76 Verified Surface Area eee 2 77 Duct leakage combined with housewrap sees 2 16 Diictlossestii si la is and bccn A A A 2 11 EDIT an input file men 2 3 Electric radiant heating HSPF sese ee 2 67 resistance heating HSP eee 2 67 Electric resistance heating see eee eee eee 2 67 Elevation Energy DU T OT 2 5 efficiency standard 1 6 1 12 te 1 13 use table report eee eee 2 107 Energy Efficiency Standarde 1 13 Error messages Errors program Evaporative cooling Existing building assumptong co nonnnonncnnoo 3 9 ExistingPlusAddition Kewvword sese 2 8 ExistingPlusAlteration Keyword sese 2 8 Exterior mass 2 56 3 32 Insulated wall 2 24 Exterior ahadumg sese eee ee 2 42 2 50 bug SCT NS in hniena 2 40 2 51 description ciclistas Rc 2 50 INPUL date ee eege EE se cutcendecdbeesdscedecaseeseceesentes 2 50 louvered SUN SCTCENS eee eee 2 50 low sun angle cooooocnncnocincconncononononnconoconoonnonocono co do oser 2 51 Exterior Sidi Qvec c ccccecss scsc
39. sf with proper moisture control The input value HEIGHT DIFFERENCE is set to zero 0 for the crawlspace ventilation system Figure 3 16 CVC Ventilation Systems Input Data NATURAL VENTILATION SYSTEMS NATURAL VENTILATION SYSTEM NAME 1 CRAWL VENT NATURAL VENTILATION TYPE INLET AREA PER ZONE 3 HEIGHT DIFF ft 2 Special 1 gt 1 4 0 The controlled ventilation crawlspace has a temperature that is more moderate compared to the fully vented crawlspace or an attic space This results in lower HVAC duct losses 1 e higher duct efficiencies see Duct Systems Section in Chapter 2 Input Reference The value CVCrawlspace can be used for the input values HEATING DUCT LOCATION and COOLING DUCT LOCATION in the house zone not in the crawlspace zone under the following conditions 1 All the ducts are located in the crawlspace or conditioned space the plans must show all supply registers in the floor 2 The foundation wall insulation of the crawlspace is at least R 5 3 The floor between the house and crawlspace is uninsulated The crawlspace zone does not have to be modeled to take this higher duct efficiency into account COMPLIANCE 3 2 5 09 15 2005 MICROPAS7 Overview Example Input File Defining the Sunspace Zone Opaque Glazing and Mass Surfaces 3 2 6 COMPLIANCE MANUAL Figure 3 17 CVC Duct Systems Input Data DUCT SYSTEMS gt NUMBER OF DUCTS DUCT SYSTEM NAME 25
40. the proposed energy features of the building that were considered in the compliance analysis Compliance is demonstrated on one of two forms For new buildings the Energy Use Summary on the CF 1R will show a positive compliance margin This chapter provides an example of each report Computer Performance Submittals A list of the submittal requirements for the typical Computer Performance compliance analysis using MICROPAS is shown in Table 4 1 In special cases additional documentation is required as shown in Table 4 2 4 2 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Table 4 1 Typical Computer Performance Submittal Requirements Documentation Comment CF 1R Report Must be signed by the documentation author and the owner or designer and must be on the plans Completed mandatory measures checklist as found in the Residential Manual Table 4 2 Special Submittal Requirements Documentation Comment HVAC Sizing Report The CF 1R now includes an HVAC sizing summary so this report is generally not needed In the event that more detail is desired only HVAC Sizing Summary pages are suggested The HVAC Sizing Detailed provides more information than is normally needed for submittals or equipment selection Other calculations In special cases hand calculations may be required to establish or compliance forms input values or the final compliance energy use These cases are disc
41. ther Article 680 locations OR are controlled by oc r o a a t m t S o s W ith Section 119 d 150 k 7 Lighting for parking lots for 8 have lighting that complies with Sec Lighting for parking garages for 8 or have lighting that complies with Sec or more vehicl 130 132 and more vehicles 130 131 and O 2005 by Enercomp Inc 09 15 2005 tected mainten protected retardant can cause ance side of no heater ion ters or rning ances ID e electronic in shall wattage ed luminaires fficacy olled at option gt than utility ets tch lies lly ilings and air anently ngs on in s or cupant ensors with integral photo control certified to comply es shall 147 shall 146 COMPLIANCE 4 27 MICROPAS7 Figure 4 28 MF 1R Mandatory Measures Report MANDATORY MEASURES CHECKLIST RESIDENTIAL Page 4 MF 1R Project Title Sample Micropas Run Date 09 16 05 15 56 45 MICROPAS7 v7 10 File MP7BASEE Wth CTZ12S05 Program FORM MF 1R User MP0101 User Enercomp Inc Run Sample 150 k 8 Permanently installed lighting in the enclosed non dwelling spaces of low rise residential buildings with four or more dwelling units shall be high efficacy luminaires OR are controlled by an occupant sensor s certified to comply with Section 119 d HVAC Sizing Reports The HVAC Sizing reports are available in two
42. 0 13 00 AFUE n a SEER No Added n a n a n a n a Yes No No No 0 900 13 00 AFUE n a SEER No WATER HEATING SYSTEMS Tank Size gal External Insulation R value Number Heater in Type Distribution Type System Energy Tank Type Factor DHW Deleted 1 Storage DHW New Added 2 Instantaneous Special Modeling Rules Additions and alterations typically have special rules for modeling to avoid an undue energy penalty These modeling assumptions may result in a HERS verification note on the Certificate of Compliance Gas Standard 0 525 50 Gas Standard n a n a NOTE Existing HVAC systems The recommended modeling procedures that follow will result in a HERS Verification Required note on the CF IR It will be up to the documentation author to show that such measure s are modeling assumptions only Additions and alterations typically have special rules for modeling to avoid an undue energy penalty see Table 3 3 Whether to model Verified Refrigerant Charge RC in additions and alterations depends on the type of compliance approach and the proposed changes to the HVAC system duct systems are discussed below The general guideline is when additions and alterations use existing equipment for space conditioning the existing building zone and the addition zone use current Package D assumptions for the HVAC system to avoid an energy penalty 09 15 2005 2005 by Enercomp Inc Verified Leakag
43. 1 Wall 256 0 293 2 Wall 32 20 000 The Inter Zone Surfaces section will appear in multiple zone buildings Listed are all of the walls floors ceilings windows and doors that separate any two building zones 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 1 D MICROPAS7 CF 1R Absorbed Solar Figure 4 22 CF 1R Absorbed Solar ABSORBED SOLAR Area Winter Summer Absorbing Surface sf Fraction Fraction Thermal Mass HOUSE HOUSE 1 Window 0 30 2 SlabOnGrade These values are the absorbed insolation fractions specified in the input data In passive solar designs thermal mass may be designed to directly absorb incoming solar radiation through glazings For compliance purposes this absorbed solar can only be directed to the thermal mass in unconditioned zones that are designed with passive solar considerations They are not allowed for common thermal mass in conditioned spaces The Absorbed Solar section will appear on the CF 1R Report only if absorbed insolation fractions are specified in the input CF 1R Inter zone Ventilation Figure 4 23 CF 1R Inter Zone Ventilation INTER ZONE VENTILATION Vent Vent Height Area Zone Names ft sf Location Comments HOUSE SUNSPACE 2 0 10 This section of the CF 1R Report lists the ventilation natural or fan between two building zones Ventilation between zones is normally only used when one building space can collect heat more efficiently than another space as i
44. 10 dwelling units with 10 storage gas heaters and 10 instantaneous heaters NOTE Multi family Water Heaters For multi family buildings the number of non central water heating systems must be equal to or a direct multiple of the number of dwelling units Figure 2 48 Multi Family with Individual Water Heaters ZONE HOUSE 6 gt NUMBER OF DWELLING UNITS WATER HEATING SYSTEMS gt NUMBER OF WATER HEATING SYSTEMS 25 maximum 2 WATER WATER OF HYDRONIC HEATING HEATING HEATER BOILER HEATERS BOILERS RECIRC NAME TYPE SYSTEM NAME INSTALLED SYSTEM NAME 1 2 3 4 D 40GALLON DHW GAS STOR 40 7 None 50GALLON DHW GAS STOR 50 3 None Multi Family With Combination Central and Non Central Systems This situation combines the rules from both examples above Any number of central systems are allowed provided they are identical systems however the number of non central water heaters must be equal to or be a direct multiple of the number of dwelling units Figure 2 49 illustrates such a system O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 8 D MICROPAS7 Combined Hydronic Hydronic Systems Solar Water Heating Woodstove Boiler Credits Hydronic Space Heating Figure 2 49 Multi Family with Mixed Central amp Individual Water Heating Systems ZONE HOUSE 6 gt NUMBER OF DWELLING UNITS WATER HEATING SYSTEMS gt NUMBER OF WATER HEATING SYSTEMS 25 maximum 3 WATER WATER OF HYDRONIC HEA
45. 21 Wall n a n a n a n a Yes 2102 X6 4 ROOF R19 16 Roof n a n a n a n a Yes D ak ROOF R30 16 Roof n a n a n a n a Yes 30 16 Exterior Mass Overview Insulated Mass Walls and Floors Example Input File Exterior thermal mass elements of a building such as concrete block walls log walls and suspended slab floors have two components that affect building performance 1 Heat transfer which may be greater than an insulated wall 2 Thermal mass which may offset or surpass the heat transfer effects of the exterior surface The exterior mass modeling capabilities of MICROPAS allow the user to correctly account for both of these components Note that it is important to model both of the components listed above as the building may be unfairly penalized or rewarded if not modeled correctly Figure 3 28 is an illustration of the input values for an exterior mass wall Figure 3 29 and Figure 3 30 provide typical input data for the Mass and Opaque input data Mass walls may contain insulation on the exterior surface the interior surface both surfaces or may have insulation between mass sections e g foam filled concrete block Depending on the R value of the insulation and the surface on which it is applied the mass may be modeled as interior or exterior mass Mass walls that are insulated on the exterior to R 11 or more are not exterior mass and the mass need not be coupled to an opaque surface In this case the mass surface is mod
46. AC ZONE ZONE LOCATION sf TERISTIC SIDE 1 SIDE 2 COMMENTS 1 2 3 4 5 6 1 gt WALL 256 WALL INT LIVING SLEEPING 2 gt OPEN 32 OPENING LIVING SLEEPING OPAQUE CHARACTERISTICS PAQUE OPAQUE CAV SHEATH U VAL APP HARAC SURFACE FRAME ITY ING OR IV LOOKUP ERISTIC TYPE TYPE R VAL R VAL F VAL LOOKUP NAME 1 2 3 4 5 6 7 8 WALL INT Wall Wood n a n a 0 293 No NONE OPENING Wall None n a n a 20 No NONE APPENDIX IV Multiple Zones without Zonal Control Credit Larger homes often have more than one HVAC system sometimes with different efficiencies The MICROPAS results are not affected by the number of HVAC systems Therefore 1t is not necessary to model each system as a separate zone although it may be desirable to obtain load calculations for each zone If the system types vary then it becomes necessary to model multiple zones for multiple HVAC systems For example a house might have two heat pump systems one servicing the upstairs and one servicing the downstairs Another example would be a home with a central furnace with electric resistance baseboards heating a remote portion of the house This section covers multi system homes that do not meet the criteria for zonal control credit specified in the Residential Manual and discussed in the preceding section This method allows modeling the building with two or more zones It allows for the presence of different duct locations that would occur with different HVAC systems serving
47. ATURES menu to AdditionAlone Internal Heat Gain Adjustment Internal heat gain due to occupants and appliances is calculated by MICROPAS based on the number of dwelling units An addition is treated as a fraction of the entire dwelling unit s The input NUMBER OF DWELLING UNITS under ZONE must be adjusted to reflect the fractional internal gains for the addition alone The formula for this adjustment is as follows NUMBER OF DWELLING UNITS UNITS x FA ga FA aga FA exist where UNITS number of dwelling units in the building FA 4q floor area of the addition only Fa floor area of the existing house only exist Existing Addition Alteration Method Overview The proposed house including existing deleted altered and new added features must meet an energy budget goal This goal is based upon a comparison of the existing building along with any additions and alterations to the standards following a detailed set of rules that are included in MICROPAS Depending on the features and climate zones specified MICROPAS automatically does one or more runs in accordance with the rules Compliance results are detailed on a single CF 1R that describes the building both before and after the addition and or alterations The user describes the existing building with all additions and or alterations in a single input file using tags Tags When modeling Existing Addition Alteration MICROPAS uses tags see Keyboard Shor
48. Cond Thermo Vent Vent Verified Area Volume Dwell Peop it stat Height Area Leakage or Zone Type sf cf Units le ioned Type t sf Housewrap HOUSE Existing Residence 1005 8040 1 00 4 0 Yes Setback 2 0 Standard No HOUSE Altered Residence 1005 8040 0 63 2 5 Yes Setback 2 0 Standard No ADD New Added Residence 594 4752 0 37 1 5 Yes Setback 2 0 Standard No OPAQUE SURFACES U Sheath Solar Appendix Frame Area fact Cavity ing Act Gains IV Location Surface Type sf or R val R val Azm Tilt Reference Comments HOUSE Existing Wall Wood 48 0 356 270 90 Wall Wood 176 0 356 90 90 Wall Wood 208 0 356 180 90 Door Other 20 0 500 270 90 Roof Wood 1005 0 079 n a 0 HOUSE Altered 2 Wall Wood 196 0 102 90 HOUSE Deleted 4 Wall Wood E 90 7 Wall Wood 96 0 356 90 12 Door Other 18 0 500 90 ADD New Added Wall Wood 76 0 90 Wall Wood 152 0 102 0 90 Wall Wood 215 0 102 90 90 Wall Wood 246 0 102 270 90 Door Other 18 0 500 270 90 Roof Wood d n a 0 lt lt lt lt lt lt lt lt lt V V V K V M s FENESTRATION SURFACES Exterior ge Act Shade Orientation factor SHGC Azm Tilt Type Location Comments HOUSE Exis Wind Fron Wind Fron Wind Fron Wind Back Wind Righ Wind Righ HOUSE Alte Wind Fron Wind Fron Wind Fron Wind Back Wind Right Wind Right HOUSE Delet 8 Wind Left ADD New Add Wind Front Wind Lef Door Lef Wind Bac Wind Bac Door Bac Wind Bac p A A
49. DISTRIBUTION TYPE Standard PointOfUse etc Standard ENERGY FACTOR 0 58 TANK VOLUME gallons 40 RATED INPUT Btuh 35000 12 gt RECOVERY EFFICIENCY fraction n a 13 gt STANDBY LOSS fraction n a WATER HEATING CREDIT 14 gt CREDIT TYPE None GAS STOR 40 Storage Gas Solar WoodStove HEATER BOILER SYSTEM GAS INST HEATER BOILER SYSTEM NAME TANK TYPE Storage Instantaneous HEATER ELEMENT TYPE Electric Gas HeatPump DISTRIBUTION TYPE Standard PointOfUse etc ENERGY FACTOR RATED INPUT Btuh PILOT LIGHT SIZE Btuh 11 gt INTERNAL INSULATION R VALUE hr sqft F Btu 12 gt RECOVERY EFFICIENCY fraction 13 gt STANDBY LOSS fraction WATER HEATING CREDIT 14 gt CREDIT TYPE None GAS INST Instantaneous Gas Standard n a n a 500 n a Solar WoodStove The water heating budget for individual dwelling units depends on the size of the unit For single family dwellings the unit size is taken from the information in the ZONE Section For multi family dwelling units MICROPAS will create an individual water heating budget based on the average size of the dwelling units MICROPAS will determine the average unit size from information entered in the ZONE Section Many multi family water heating system combinations may be modeled with MICROPAS These include e Central systems e Individual systems e Central plus individual systems with limitations 09 15 2005 2005 by Enercomp Inc Chapter 2
50. EPORT DESCRIPTIONS Figure 4 29 Single Zone Building Sizing Summary Report Project Title Sample Micropas Run Date 09 15 05 11 54 52 MICROPAS7 v7 10 File MP7BASE Wth CTZ12S05 Program FORM CF 1R User MP0101 User Enercomp Inc Run Cardinal Orientation GENERAL INFORMATION Floor Area Volume 12800 cf Front Orientation Front Facing 0 deg N Sizing Location MODESTO Latitude 6 degrees Winter Outside Design Winter Inside Design Summer Outside Design Summer Inside Design Summer Interior Shading Used Exterior Shading Used Overhang Shading Used Latent Load Fraction HEATING AND COOLING LOAD SUMMARY Heating Cooling Description Btu hr Btu hr Opaque Conduction and Solar 3729 Glazing Conduction and Solar 6950 Infiltration 1915 2520 2116 Sensible Load 17229 Latent Load 3301 Minimum Total Load 32554 20530 Note The loads shown are only one of the criteria affecting the selection of HVAC equipment Other relevant design factors such as air flow requirements outside air outdoor design temperatures coil sizing availability of equipment oversizing safety margin etc must also be considered It is the HVAC designer s responsibility to consider all factors when selecting the HVAC equipment 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 2 9 MICROPAS7 4 30 COMPLIANCE MANUAL HVAC SIZING Project Tit MICRO Use Figure 4 30 Multi Zone Building Sizing Summary Report le Sample Mi
51. ING Type of building This value is used to determine the magnitude of the water heating energy use for the Standard Design and for informational purposes in the compliance reports Legal values are Single Single family detached dwellings 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 MICROPAS7 Input Data CONSTRUCTION FRONT ORIENTATION Description Run Features cont SingleAttached Single family attached dwellings those with common walls but no common floors and ceilings MultiFamily Multi family dwellings such as apartments those with common walls floors and ceilings Used to set the type of building being modeled This keyword tells MICROPAS how to label building surfaces on compliance reports Legal values are AdditionAlone Use this keyword when modeling an addition alone This will place the word New on the CF 1R above opaque glazing and mass surfaces Existing Add Alter This is a required keyword when performing existing plus addition and or alteration calculations When this keyword is selected MICROPAS will require the user to identify existing altered deleted and new surfaces in the input file See Advanced Topics Chapter 3 New This keyword is used for new construction that is not an addition or alteration Whole House This keyword is used for an addition or alteration that will show compliance with current stand
52. INPUT REFERENCE Multi Family Central Systems When modeling a central water heating system you must select the keyword DHWCentral under water heating type MICROPAS will then check the number of dwelling units entered under the ZONE Section If the number of dwelling units is greater than 1 it is assumed that the water heating system serves the entire building Note that the central water heating system may consist of more than one water heaters and may require the specification of recirculation piping between buildings in a multi family complex Figure 2 47 below demonstrates such a system Figure 2 47 Multi Family Central Water Heating System ZONE HOUSE 6 gt NUMBER OF DWELLING UNITS WATER HEATING SYSTEMS gt NUMBER OF WATER HEATING SYSTEMS 25 maximum 1 WATER WATER OF HYDRONIC HEATING HEATING HEATER BOILER HEATERS BOILERS RECIRC NAME TYPE SYSTEM NAME INSTALLED SYSTEM NAME 1 2 3 4 5 GAS CENTRAL DHWCentral GAS LARGE 75 2 PIPING Multi Family With Individual Water Heaters When modeling a multi family building with individual water heaters MICROPAS will check to make sure that the number of individual water heaters matches the number of dwelling units entered in the ZONE Section The total number of non central water heating systems must be equal to or a direct multiple of the number of dwelling units Figure 2 48 illustrates this situation Note that a direct multiple number of systems example would be
53. Indirect HEATER ELEMENT Gas Gas Electric Heat Pump Gas Electric Gas DISTRIBUTION TYPE YES YES YES YES YES YES YES ENERGY FACTOR YES n a YES YES n a n a n a TANK VOLUME YES YES YES YES n a n a YES RATED INPUT Btu h 2 n a n a n a n a n a n a RATED INPUT kWh 2 n a n a n a n a n a n a PILOT LIGHT n a n a n a n a YES EXTERNAL INSULATION YES n a n a n a n a YES INTERNAL INSULATION n a n a n a n a n a YES RECOVERY EFF AFUE YES n a n a YES YES YES STANDBY LOSS YES n a n a n a n a n a CREDIT TYPE if appl if appl if appl if appl if appl if appl if appl PUMP USED if appl if appl if appl if appl if appl if appl if appl SOLAR FRACTION if appl if appl if appl if appl if appl if appl if appl 1 If the indirect gas water heating system is instantaneous use the water heater Recovery Efficiency 2 Btu hr and kWh input ratings are only input for hydronic heating systems Table 2 18 Water Heater Input Summary Input Item Storage Storage Heat Instant Instant Lg Indirect Gas Electric Pump Gas Electric Storage Gas Gas Energy Factor Yes Yes Yes Yes Yes Pilot Input Btu Yes Efficiency Yes Yes Standby Loss Tank Volume gal Yes Tank Insulation R Ext Insulation R If Combined Hydronic System Rated Input kBtuh Yes Rated Input kWh Yes Recovery Eff Yes Pump Input Watts Yes 1 May be recovery efficiency thermal efficiency or AFUE 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 9 1 MICROPAS7
54. Interior Mass Capacity values used in MICROPAS are listed in Chapter 2 Input Reference The surface R value listed here is normally R 0 0 or in the case of covered slab R 2 0 This is the value of the mass surface covering without including the R value of the surface air film CF 1R Exterior Mass Figure 4 25 CF 1R Exterior Mass OPAQUE SURFACES U Sheath Frame Area fact Cavity ing Act Type sf or R val R val Azm Tilt Solar Appendix Gains IV Location Surface Reference Comments 5 Wall 102 13 90 6 Wall 102 13 90 7 Wall 102 13 90 4 ExteriorVert Thermal Mass Wall 204 0 Wall 264 Wall 192 Wall 288 IV 9 A3 IV 9 A3 IV 9 A3 14 A2 14 A2 14 A2 14 A2 THERMAL MASS Area sf Heat Conduct Cap ivity Surface Mass Type UIMC R value Location Comments HOUSE 1 SlabOnGrade 2 SlabOnGrade 3 ExteriorVert 240 1360 948 28 0 28 0 28 0 0 98 0 98 0 98 4 60 1 80 1 80 Exposed Covered Exterior Mass Wall R 0 0 R 2 0 R 0 0 Heavyweight construction assemblies exposed to the exterior such as filled block walls or suspended slab floors over garages are known as exterior mass Input data to describe the exterior mass is listed in two sections of the CF 1R Report The Opaque Surface section lists the orientation the overall U factor and exterior insulation R value of the exterior mass The Thermal Mass section lists the properties of the mass material and the interior insulation
55. OLING SYSTEMS for details Sizing Location Data The sizing calculations use outdoor design temperatures found in the Sizing Location Data file The location is specified by the input value SIZING LOCATION found in the HVAC Sizing Section of input The location selected should be as close to the building site as possible The sizing location should not be the representative city for the climate zone used in the compliance analysis unless that city is the closest location The Sizing Location Data file provided with MICROPAS contains data for most of the cities listed in Building Energy Efficiency Standards Joint Appendix II over 700 California cities If an appropriate city for the building is not available in the Sizing Location Data file a new location can be added see the discussion on Editing Sizing Location Data in Appendix C See Building Energy Efficiency Standards Joint Appendix II Description HVAC Sizing Name of the HVAC Sizing location that is closest to the building site The HVAC Sizing Location Data file contains the cooling and heating design temperatures for all the California locations found in the Residential Manual Data for additional locations can be added as desired A listing of these locations is found in the Appendix C Maximum length is 25 characters NOTE Keyboard Shortcut The whole location name need not be entered Instead begin by entering the name When MICROPAS determines the fewest characters t
56. R Floor Wood 0 0 0 22 No None 3 24 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Mass Of Soil Floor Crawlspace Ventilation Ducts In the Crawlspace O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS The crawlspace soil floor is modeled like a slab on grade floor of a residence The area of the soil mass should equal the crawlspace floor The mass characteristics of the soil floor must be as follows Thickness 4 0 inches Volumetric Heat Capacity 27 Btu cuft F Conductivity 0 60 Btu hr ft F Figure 3 15 CVC Mass Input Data MASS SURFACES MASS SURFACE NAME 1 SOIL MASS CHARAC TERISTICS 3 CRAWL SOIL AREA sf ZONE NAME 4 CRAWLSPC Crawlspace Soil LOCATION COMMENTS D 2 1600 1 gt MASS CHARACTERISTICS MASS CHARAC TERISTIC 1 CRAWL SOIL THICK SURF VOLUME CON NESS ACE HEAT DUCT in R VAL CAP IVITY UIMC 3 4 5 6 Fi 4 0 0 0 27 0 60 4 6 MASS TYPE 2 InteriorHorz The area of the crawlspace vent is entered in the Natural Ventilation Section of data with the input value INLET AREA PER ZONE as seen in Figure 3 16 The ventilation area entered is the crawlspace floor area on the plans times 0 75 This factor accounts for lower wind speed at crawlspace height compared to wind speeds at normal house wall height Common crawlspace vent areas are in the range of 1 0 sf per 150 sf of crawlspace floor area The UBC allows this value to drop as low as 0 1 sf per 150
57. RE DIFFERENCES Standard SHADING CALCULATIONS Shade Line Fact Shade High ft Glaz High ft hang Leng Description OS ft Un shaded Area sf Window S E E i 7 24 Window e R A 48 Door d E a N 80 Window 9 A S 3 v 32 CONDUCTIVE AND SOLAR HEAT GAIN U factor Btu hr sf F Area Description Orientation sf 18 0 ES 235 Heat Gain Btu hr North 204 2 East 264 D South 192 p West 288 12 Northeast Eye 12 Horizontal 1592 02 North 20 TOTAL FOR OPAQUE SURFACES GLAZING CONDUCTIVE AND SOLAR HEAT GLF Btu hr sf Description Orient 272 673 326 734 76 1537 110 3729 Window Window Window Window Window Door Door Window Window Window Skylight 20 20 43 20 20 26 20 43 20 32 83 Nor Nor Eas Sha Sha Sou Sha Wes Shaded Northeast Horizontal ed ed h ed adaadca ad D tod CO OO oO KM Oops OU JJOO WS NR N WS NR KX NS N TOTAL FOR GLAZING SURFACES INFILTRATION Type Standard 12800 cuft x 0 36 ac hr x 0 018 Btu cuft F x 23 0 4 3 2 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc O 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Figure 4 31 cont d Sizing Detailed Report HVAC SIZING HVAC Page 4 Project Title Sample Micropas Run Date 09 15 05 11 54 52 MICROPAS7 v7 10 User MP0101 File MP7BASE Wth CTZ12S05 User Enercomp Inc Progra
58. RIPTIONS res Report Page 3 MF 1R Date 09 16 05 15 56 45 gram FORM MF 1R Sample Protection of Insulation Insulation shall be pro from damage due to sunlight moisture equipment ance and wind Cellular foam insulation shall be as above or painted with a coating that is water and provides shielding from solar radiation that degradation of the material Flexible ducts cannot have porous inner cores Pool and Spa Heating Systems and Equipment A thermal efficiency that complies with the Appli Efficiency Regulations on off switch mounted out the heater weatherproof operating instructions electric resistance heating and no pilot light System is installed with a At least 36 inches of pipe between filter and for future solar heating b Cover for outdoor pools or outdoor spas Pool system has directional inlets and a circulat pump time switch 115 Gas fired central furnaces pool heaters spa hea household cooking appliances have no continuously bu pilot light Exception Non electrical cooking appli with pilot lt 150 Btu hr 118 i Cool Roof material meets specified criteria ER RESIDENTIAL LIGHTING MEASURES 150 k 1 HIGH EFFICACY LUMINAIRES OTHER THAN OUTDOOR H contain only high efficacy lamps as outlined in Tabl 150 C and do not contain a medium screw base socket E24 E26 Ballast for lamps 13 watts or greater are and have an output frequency no less than 20 kHz 150 k 1 HIGH EFFICACY LUMINAIRE
59. ROPAS incorporates the CEC fixed internal heat gain and thermostat setting assumptions for the two zones These represent active daytime occupation of the Living Zone and non active night time occupation of the Sleeping Zone The exact assumptions of this model are described in Appendix E Program Assumptions Figure 3 5 illustrates the ZONE Section input data for Living and Sleeping Zones The input values ZONE TYPE must be set to Living and Sleeping and the input values THERMOSTAT TYPE must be set to LivingStat and SleepingStat as shown For the Living Zone the input value NUMBER OF DWELLING UNITS is set to the actual number of dwelling units in the building For the Sleeping Zone it is set to 0 In the case of a large house with multiple HVAC systems there may be multiple Living or Sleeping Zones In order to properly size the mechanical equipment it may be necessary to consider each zone served by an independent system separately In such cases adjust the NUMBER OF DWELLING UNITS for each type of zone For multiple Living Zones area weight the square footage of all of the living zones and input a fractional value for NUMBER OF DWELLING UNITS for each zone The total NUMBER OF DWELLING UNITS in all the Living Zones must add up to 1 For Sleeping Zones always input 0 3 1 6 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 5 Zone Input Data for Zonal Control ZONE LIVING 1 gt
60. S the data listed on the CF 1R Report is the same data entered by the user Chapter 4 Report Descriptions discusses the compliance reports Several values in the input data are used only for the HVAC Sizing calculations and do not affect the compliance result except when taking credit for verified maximum cooling capacity or electric based heating equipment like heatpumps are specified Building Data Figure 2 3 Run Features Input Data E Input Data RUN TITLE PROJECT TITLE DOCUMENTATION AUTHOR BUILDING TYPE FEATURES RUN TITLE 25 char Control Vent Crawlspace PROJECT TITLE 25 char Example Run DOCUMENTATION AUTHOR 25 char Sample Author BUILDING 4 gt TYPE Single SingleAttached MultiFamily Single 5 gt CONSTRUCTION New Existing Add Alter etc Existing Add Alter 6 gt FRONT ORIENTATION Compass deg or Cardinal 7 gt NUMBER OF STORIES 1 or more 8 gt FUEL TYPE NaturalGas Propane NaturalGas 9 gt COMPLIANCE RUN Compliance Research C HERS Compliance 14 gt VINTAGE ASSUMPTIONS FOR EXISTING BUILDING 1992 1998 Description Run Features Title of MICROPAS run Maximum length is 25 characters Title of building project under analysis This title appears on each page of the compliance reports Maximum length is 25 characters Name of person performing the analysis This name appears in the compliance reports Maximum length is 25 characters BUILD
61. S OUTDOOR HID conta only high efficacy lamps as outlined in Table 150 C luminaire has factory installed HID ballast 150 k 2 Permanently installed luminaires in kitchens be high efficacy luminaires Up to 50 percent of the as determined in Sec 130 c of permanently install in kitchens may be in luminaires that are not high e luminaires provided that these luminaires are contr by switches separate from those controlling the high efficacy luminaires 150 k 3 Permanently installed luminaires in bathrooms garages laundry rooms utility rooms shall be high efficacy luminaires OR are controlled by an occupant sensor s certified to comply with Section 119 d th does not turn on automatically or have an always on 150 k 4 Permanently installed luminaires located other in kitchens bathrooms garages laundry rooms and rooms shall be high efficacy luminaires except clos less than 70 ft2 OR are controlled by a dimmer swi OR are controlled by an occupant sensor s that comp with Section 119 d that does not turn on automatica r have an always on option 5 Luminaires that are recessed into insulated ce approved for zero clearance insulation cover IC certified air tight to ASTM E283 and labeled as ht AT to less than 2 0 CFM at 75 Pascals Luminaires providing outdoor lighting and perm ounted to a residential building or to other buildi he same lot shall be high efficacy luminaires not luding lighting around swimming pools water feature
62. SS The OPAQUE SURFACE NAME and the MASS SURFACE NAME are linked The Net Area method must be used for opaque and mass areas subtract doors and glazing A sample file MP7BSMT illustrates the concepts clarified here Figure 3 33 provides a sample of opaque surface inputs and Figure 3 34 provides a sample of mass surface inputs Overview The OPAQUE SURFACE TYPE varies with the depth of the wall Valid types are WallBaseA 0 1 99 feet below grade WallBaseB 2 0 5 99 feet below grade and WallBaseC more than 6 feet below grade For an 8 foot high wall that is completely below grade the top 1 99 feet are modeled as WallBaseA the middle portion is modeled as WallBaseB and the bottom 2 feet are modeled as WallBaseC The basement floor is also a type of exterior mass surface modeled as both a MASS and an OPAQUE SURFACE surface type FloorBase however there are no edge losses Linking Opaque and Link the mass and opaque surfaces by entering the MASS SURFACE NAME in the field Mass Surfaces ZONE OR OPAQUE NAME Outside Surface If mass walls are insulated on the outside of the mass surface the R value of the insulation is Insulated shown in the input CAVITY R VALUE in OPAQUE CHARACTERISTICS The example shows a below grade wall with the first few inches having R 7 rigid insulation on the exterior surface 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 3 5 MICROPAS7 Overview Inside Surface Insulated Figure 3 33 Opaqu
63. Space heatpng vce csvessesscacsics cevecedeceseescecevecade descedsecavecbecs seve B 2 water heating cece BA Computer performance method 1 10 Computer performance type sese eee eee ee 2 13 Concrete block Wal id 3 32 3 34 thermal Mass xvii diarios 2 59 UELL L EEN 1 6 i N D EX COMPLIANCE Conductivity ses cicscicesscocse cosets idoneidad iii iii iii 2 58 Construction desortpton eg EES deed ege d 3 31 including in the input file 3 31 EE 3 31 EE 2 8 Whole house 2 8 Control ZO ini da ee 3 20 Controlled ventilation crawlepnace sees eee eee 3 19 3 22 Converting Input Files sees eee eee eee 1 2 Cool roof Ka LETE E A ETEN a EE 2 74 Cooling latent EE D 5 none matalled aessaet deio deko ek darha dede do da yeny g 2 69 OP ii le cda io system name Crawlepnace sse eee IST Database of Run Results 1 10 Dehumidification sees eee eee 2 11 Design heat gara e dee dech ea cones d eT didas dardo 1 12 AE 1 12 Degignet 74 24bect dedo esidvseccs caucdetice tees OTO dO ERRER covets 2 102 Designer or owner Contact 2 102 Diagnostic blowerdoor testing sss sese eee ee eee eee 2 17 Documentation author IRC With ls ee geed dE 2 22 2 38 DI TN 2 40 2 50 Duct ACCA Manual D design 2 74 Buried DuCt a iia 2 77 combined credits with housewrap sse sees eee 2 16 COOKTOOR eh 2 74 Crawlspace i heh en ts 3 25 deals AS E AT 2 77 evaporative cooling se esse eee 2 75 heating and cooling ducts
64. TIAL C Project Title Project Address Sample Micropas 2300 Mace Ave Modesto CA Sample Author Enercomp Inc 1721 Arroyo Dr Auburn CA 95603 800 755 5908 1 2 MICROPAS7 v7 10 Documentation Author Climate Zone Compliance Method CROPAS7 v7 10 File MP7BASE Wth User MP0101 User Ener OMPUTER METHOD CF 1R Page 1 Run Date 09 15 05 09 28 15 KK KKK KK v7 10 KKKKKKK Building Permit Plan Check Date Field Check Date for 2005 Standards by Enercomp Inc CTZ12S05 comp Inc Program FORM CF 1R Run Sample MICROPAS7 ENERGY USE SUMMARY Stan Des Energy Use KTDV sf yr dard ign Proposed Design Compliance Margin 15 11 13 Space Heating Space Cooling Water Heating 19 ER 939 17 10 2s 06 CL 91 SIN Ls D 87 86 62 40 Building complies with GENERAL IN HERS Verification Required for Compliance 69 40 08 0 61 Computer Performance FORMATION HERS Verification Conditioned Floor Area Building Type Construction Type Fuel Type Building Number o Number o Weather Front Orientation f Dwelling Units f Building Stories Data Type Floor Construction Type Number of Building Zones Conditioned Volume Slab On Grade Area Glazing Percentage Average Glazing U factor Average Glazing SHGC Average Ceiling Height BUILDING ZONE Required 1600 sf Single Family
65. TING HEATING HEATER BOILER HEATERS BOILERS RECIRC NAME TYPE SYSTEM NAME INSTALLED SYSTEM NAME 1 2 3 4 5 CENTRAL SYST DHWCentral GAS LARGE 75 2 None 40GALLON DHW GAS STOR 40 T None 50GALLON DHW GAS STOR 50 3 None NOTE Complex Multi family Water Heating Systems Due to constraints in the water heating methodology some extremely rare water heating situations may require multiple MICROPAS runs If you have problems modeling a complex system call Enercomp Combined hydronic hydronic space and or water heating systems are modeled through both the HVAC System Section and the WATER HEATING Section This chapter includes a separate section that explains how to model combined hydronic hydronic systems see Hydronic Space Heating Systems later in this section A method for attaining credit for active or passive solar systems or a woodstove boiler system is available through MICROPAS See the Solar or Woodstove Boiler Credits section under the HEATER BOILER SYSTEMS Section in this chapter for details Water Heating Systems Figure 2 50 Water Heating Input Data WATER HEATING SYSTEMS gt NUMBER OF WATER HEATING SYSTEMS 25 maximum 1 WATER WATER OF HYDRONIC HEATING HEATING HEATER BOILER HEATERS BOILERS RECIRC NAME TYPE SYSTEM NAME INSTALLED SYSTEM NAME 1 2 3 4 5 CONVENTIONAL Standard None 1 None Within this section of data you list one or more types of water heaters that are to be installed in the buildi
66. UNITS CREDITS 7 gt HOUSEWRAP AIR INFILTRATION CREDIT Yes No SLA 8 gt RADIANT BARRIER CREDIT Yes No CoolRoof 9 gt VERIFIED INSULATION QUALITY Yes No SYSTEM NUMBER OF SYSTEMS SERVING ZONE HEATING SYSTEM NAME COOLING SYSTEM NAME DUCT SYSTEM NAME NATURAL VENTILATION SYSTEM NAME FAN VENTILATION SYSTEM NAME THERMOSTAT NAME SIZING 2005 by Enercomp Inc NUMBER OF PEOPLE UNIT occupants unit APPLIANCE GAIN UNIT Btuh unit INFILTRATION CLASS Tight Medium 09 15 2005 one one one CRAWL VENT one AutoCVvCVent COMPLIANCE 3 2 3 MICROPAS7 Foundation Walls The foundation wall area masonry or treated wood the sill plate area and the crawlspace and Edge Loss soil edge are the common components of the crawlspace modeled in the Opaque Surfaces Section Solar gains for any crawlspace wall are usually ignored unless the wall is quite tall If solar gains are ignored the orientations of the wall can be lumped together under one opaque surface entry The soil is entered like a slab on grade in a conditioned building zone The soil edge length perimeter of the crawlspace is entered as the opaque surface area and the soil edge heat loss factor F factor see Joint Appendix II Table IV 26 is entered as the surface U factor The mass effects of the soil floor are accounted for in the Thermal Mass Section of data Figure 3 13 CVC Opaque Input Data OPAQUE SURFACES OPAQUE AREA OPAQUE ZONE OR SURFACE
67. Wind Back 48 Door Back 80 Wind Right 32 Wind Front 8 Skyl Front 8 550 650 650 650 650 650 650 750 0 400 90 Standard F1 Metal Operable Low E2 0 400 Standard F2 Metal Fixed Low E2 0 400 Standard Ll Metal Operable Low E2 0 400 Standard Bl Metal Operable Low E2 0 400 Standard B2 Metal Patio Door Low 0 400 Standard R1 Metal Operable Low E2 0 400 Standard Cl Metal Fixed Low E2 0 400 None SKY1 Metal Skylight Low OD 0 ECH SE 0 3 OD nr e nr En ODO 1 2 3 4 5 6 7 8 OVERHANGS Window Ove rhang _ Left Right Surface Width Height Depth Height Extension Extension Window n a N 3 n a n a Window n a e n a n a Window n a 3 o n a n a Window n a A A d n a n a Door n a d A n a n a Window n a S E i n a n a SLAB SURFACES Area Slab Type sf Standard Slab 1600 HVAC SYSTEMS Verified Number Verified Verified Verified Verified Maximum System of Minimum Refrig Charge Adequate Fan Watt Cooling Type Systems Efficiency EER or TXV Airflow Draw Capacity Furnace 1 0 800 AFUE n a n a n a n a n a ACSplit 1 13 00 SEER No Yes No No No 4 2 2 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Figure 4 27 cont d CF 1R Report CERTIFICATE OF COMPLIANCE RESIDENTIAL COMPUTER METHOD CF 1R Page 3 Project Title Sample Micropas Run Date 09 15 05 09 28 15 MICROPAS7 v7 10 File MP7BASE Wth CTZ12S05 Program FORM CF 1R User MP0101 User En
68. aeeeeeeeeeeeaeeneees automatie un vee eG hia ee es 3 23 control ZONE NAME sese e eee eee 3 20 E ee O Eed 3 25 height difference see eee 2 79 Inlet area per zone 2 79 inter ZONE e sunspace system name YPE Seis EE dech deer ebe ee Ee ENEE Verified air leakage see eee Verified Airflow sss es essere Verified Buried Du Verified cooling capacity EIERE eh Verified Fan Wattage eee eee Verified Insulation Quay sese 2 18 Verified Leakage sse eee 2 74 3 15 Verified Maximum Cooling Capacity sse eee eee eee e 2 68 Verified Quality Insulation Installation eee eee 2 17 verified refrigerant charge Verified Surface Aren beavweight n AEs 3 32 shaded Water Heater CEC Standard A e dak arhan ae doh az deZho de 2 84 Water heater boiler boller AFUE 2 svcd ce civdeasecivesscecsteacsacevcrssdctveensesitedtencses 2 94 credit type sese eee 2 95 distribution credit or penalty sese 2 92 distribution credits distribution type energy factor eee vi i N D EX COMPLIANCE 03 01 2005 external insulation sees eee eee ee eee 2 94 heating clement pe 2 92 indirect system efficiency see 2 94 internal insulation e eee e e ee 2 94 number installed sse 2 89 overview rs pilot TT U 2 94 PUMP USC BE 2 95 r ted IMPUbs erori sescesenccveaesecencesesceveasdsessacvecedeceuceseecuteensexe 2 93 recovery effeienclAFUE eee 2 94 Sol r MactiOninssssininsuddta dikene art adikred standb
69. al Chapters 3 for additional qualifying and installation information A HERS rater verification is not required NOTE Air Retarding Wrap Insulative sheathing and building paper do not qualify as air retarding wraps NOTE Combined Housewrap and Duct Credits The credits for a housewrap and the envelope leakage credit for reduced duct leakage are combined when both measures are installed All of the same installation and qualifying criteria apply This combination of credits is indicated when the input for Housewrap Air Infiltration Credit is set to Yes and the DUCT SYSTEMS input for Tested Leakage is also set to Yes 2 1 6 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE Table 2 16 System Component Descriptions Distribution Systems Distribution Systems Standard Standard Pipes with No Kitchen Pipe Insulation Point of Use Parallel Piping Pipe Insulation Recirculation No Control Recirculation Temperature Recirculation Time time of day Recirculation Time Temp Recirculation Demand O 2005 by Enercomp Inc Description Standard system without any pumps for distributing hot water The first 5 feet of pipes from the storage tank is insulated for both hot and cold water pipes Pipes from the water heater to the kitchen that are 3 4 or larger are insulated Pipe insulation is required per 1506 Standard system but without insulation on the pipes to the k
70. al examples of an input file for an existing plus addition plus alteration Figure 3 4 shows an example of the output 3 1 0 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 3 Existing Plus Addition Plus Alteration Inputs RUN FEATURES RUN 1 gt RUN TITLE 25 char BUILDING 5 gt CONSTRUCTION New Existing Add Alter 14 gt VINTAGE ASSUMPTIONS FOR EXISTING BUILDING ZONES gt NUMBER OF ZONES 15 maximum 1 gt 2 gt 3 gt ZONE HOUSE 1 gt ZONE NAME 2 gt CONDITIONED Yes 3 gt ZONE TYPE 4 gt FLOOR AREA sf 5 gt VOLUME cuft 6 gt NUMBER OF DWELLING UNITS HVAC SYSTEM 10 gt NUMBER OF SYSTEMS SERVING ZONE 11 gt HEATING SYSTEM NAME 12 gt COOLING SYSTEM NAME 13 gt DUCT SYSTEM NAME ZONE HOUSE A ZONE NAME CONDITIONED Yes ZONE TYPE FLOOR AREA sf VOLUME cuft NUMBER OF DWELLING UNITS SYSTEM NUMBER OF SYSTEMS SERVING ZONE HEATING SYSTEM NAME COOLING SYSTEM NAME DUCT SYSTEM NAME 2005 by Enercomp Inc 09 15 2005 Sample E A A Existing Add Alter Before 1978 HOUSE A Residence FURN 75 ATTIC R4 2 HOUSE A Residence FURN 90 ATTIC R4 2 COMPLIANCE 3 1 1 MICROPAS7 Figure 3 3 Existing Plus Addition Plus Alteration Inputs cont d ZONE ADD N 1 gt 2 gt 3 gt 4 gt 5 gt 6 gt HVAC 10 gt 11 gt 12 gt ZONE NAME CONDITIONED ZONE TYPE FLOOR AREA sf VOLUME cuft NUMBER OF DWELLING UNITS
71. ame name and when appropriate other properties like area or orientation an error message will be generated when the file is run KEYBOARD SHORTCUT In edit mode press enter once press Alt A Alt D Alt E or Alt N to automatically oppend the name to include the appropriate tag that tells MICROPAS how to treat this surface OPAQUE SURFACES OPAQUE SURFACE AREA OR LENGTH TILT 2 3 Figure 3 2 Tags PLAN AZIMUTH 4 SOLAR OPAQUE GAINS CHARAC Y N TERISTICS ZONE OR OPAQUE LOCATION NAME COMMENTS GLAZING SURFACE GLAZING SURFACE NAME 196 196 88 288 176 208 96 S Vert Vert Vert Vert Vert Vert Vert Front Front Front Left Left Back Back PLAN AZIMUTH 5 6 Yes E WALL Yes WALL R13 16 Yes WALL R13 16 Yes E WALL Yes WALL R13 16 Yes E WALL Yes E WALL 7 8 HOUSE HOUSE ADD N HOUSE ADD N HOUSE HOUSE OVERHANG INT EXT ZONE OR SIDE FIN SHADE OPAQUE NAME NAME NAME 1 F3 F3 A F4 N L1 D L2 N L3 N 4 Front Front Front Left Left Left 6 None None None None None None 3 8 STANDARD FW STANDARD FW STANDARD FWA N STANDARD LWD D STANDARD LWA N STANDARD LWA N Input Assumptions The following information must be gathered to perform an analysis on the existing building for Existing House Year of original construction also called vintage Floor ceiling wall and glazing areas e Insulation levels e Glazing type single double fram
72. ance purposes this type of crawlspace is called a Controlled Ventilation Crawlspace CVC An example input data file for a controlled ventilation crawlspace model is provided as part of MICROPAS with the file name MP7MP7CRAWL Refer to the Chapter 8 of the Residential Manual for special documentation and installation requirements for the CVC system Input Data For Controlled Ventilation Crawlspaces The Zones input data should follow the example shown in Figure 3 12 The input values CONDITIONED is No and ZONE TYPE is CVCrawlspace The input values FLOOR AREA and VOLUME equal the values calculated for the crawlspace from the plans NUMBER OF DWELLING UNITS is 0 HOUSEWRAP AIR INFILTRATION and RADIANT BARRIER CREDITS are set to No HEATING COOLING and DUCT SYSTEMS are set to None The input value NATURAL VENTILATION SYSTEM NAME links a natural ventilation system to the crawlspace zone The area of the vents are specified within the natural ventilation system FAN VENTILATION is set to None The input value THERMOSTAT TYPE AutoCVCVent specifies the opening and closing of the crawlspace vents on a seasonal basis input values HEATING SYSTEM and COOLING SYSTEM are ignored The automatic vents are assumed to be closed during the winter months and open during the summer months Figure 3 12 CVC Zones Input Data ZONE CRAWLSPC ZONE NAME CONDITIONED Yes No ZONE TYPE FLOOR AREA sf VOLUME cuft NUMBER OF DWELLING
73. ards for the entire building See Section 152 c Single Orientations Compass orientation of the building front The building front is considered the side of the building with the primary entry door Units for this input are degrees using the following convention 0 degrees north 90 east 180 south 270 west 30 30 degrees east of north 225 south west See Figure 2 18 for an example of the input value FRONT ORIENTATION and PLAN AZIMUTH for the building surfaces NOTE Actual Orientation Enter the actual compass orientation not just 0 90 180 or 270 For example if the front on the building faces 17 degrees south of east enter 90 17 or 107 degrees Multiple Orientations For production housing the user can run the four cardinal orientations by entering the keyword Cardinal here This will result in compliance calculations for the building facing north east south and west The results of these four runs are summarized on single report in order to minimize documentation and maximize clarity NOTE Cardinal Orientations When you run the calculations using Cardinal MICROPAS requires you to use a Database of Run Results to store the four results See Chapter 2 of the MICROPAS User s Manual for details of the MICROPAS data base features Also see discussion on Production Housing in Chapter 3 Advanced Topics 2 8 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE
74. as in the OPAQUE SURFACES Section Gross wall areas with windows and doors linked to them will result in a MICROPAS error Figure 3 30 Opaque Surface Data for Exterior Mass Walls SOLAR OPAQUE ZONE OR PLAN AZIMUTH GAINS Y N 4 5 CHARAC TERISTICS 6 OPAQUE NAME 7 LOCATION COMMENTS 8 Front Left Back Right Yes Yes Yes Yes CAV FRAME ITY TYPE R VAL R VAL OUTSIDEMASS OUTSIDEMASS OUTSIDEMASS OUTSIDEMASS SHEATH U VAL ING OR F VAL MAS SWALL MASSWALL MASSWALL MASSWALL APP APPENDIX IV IV LOOKUP LOOKUP NAME 3 4 None 2 Opaque Surfaces OPAQUE SURFACES Section OPAQUE SURFACES OPAQUE AREA SURFACE OR NAME LENGTH TILT 1 2 3 1 gt FWALL 204 Vert 2 gt LWALL 264 Vert 3 gt BWALL 192 Vert 4 gt RWALL 288 Vert OPAQUE CHARACTERISTICS OPAQUE OPAQUE CHARAC SURFACE TERISTIC TYPE 1 2 OUTSIDEMASS Wall Example 5 n a n a 7 8 No None The example input data shown in Figure 3 29 and Figure 3 30 represent a house that has 948 sf of 8 inch filled concrete block wall area instead of the typical wood framed exterior walls The wall is located on each of the four building facades The wall is covered with gypsum board on the interior R 2 Insulated Mass Walls Outside Surface Insulated R VALUE in the OPAQUE CHARACTERISTICS If mass walls are insulated on the exterior of the mass surface model the R value as CAVITY Figure 3 31 Mass Wall Insulated on t
75. ation installation sese 2 18 Radiant barrier cceeceeceseesceeeceeecesecseeeeceseceeeseeeeteeeeaeense 2 17 Cll 2 18 A eech 2 74 Radiant heatmng coco noonnonnnrnncn nono 2 67 Recessed windows Reduced Infiltration default credit from tested leakage sees 2 74 vi N D EX COMPLIANCE 03 01 2005 Referente siena ee etree iE a AEE E 1 12 Refrigerant Charge 2 69 Remarks Reports CF 1R CF 1R Computer Method Summary HVAC SIZING edd eeh ed dere drechen input P T MF 1R Mandatory Measures sse eee table reports see eee eee Research HVAC SiZ sica ia An i D 6 Research version CEC assumptions esse eee sese eee D 3 example input Die D 2 research compliance switchen D 2 standard design see D 2 Research version of MICRODAS 1 8 D 2 Residential Buildings Energy Standards esse 1 8 Residential Manual Retaining walls Roll down exterior shading devices Roofs adding assemblies see eee eee 3 28 Run Secondary zone sees eee 3 20 SEER Minimum eseesrrerrerrernrennesneensessernsennesnssssesssennesnssnnee 2 70 Shadescreens cccccccecssccsssceseceeseecssecsseeeseeeesseesseeeees 2 40 2 51 Shading devices exterior SHGC interior BO Sheathing insulation SIA gypsum board sse eee SHGG ET T SUS REENEN Signature requirements eee ee eee ee 4 4 Simulation contra D 19 NR 2 8 Site and weather data 2 10 Sizing FOCAL sr E Da HERK location data location
76. cal residential electric air conditioners which are rated with an SEER value for cooling the ratings for gas absorption cooling systems are the COP the Capacity Btu hr and the parasitic electric energy W rated at 95 degrees F are the COP Cooling Systems Figure 3 35 Gas Heat Pump Cooling Systems gt NUMBER OF COOLING SYSTEMS COOLING COOLING SYSTEM SYSTEM VERIF REFRIG AIR VERIF COOL NAME TYPE SEER EER OR TXV FLOW FAN CAP 1 2 3 4 5 6 7 8 HPGASCOOL GasAsorp 2 9 40000 150 No No No No No 25 maximum VERIF VERIF VERIF 1 gt Description Cooling Systems Name of the cooling system This name is used to link the cooling system to the zone data Maximum length is 12 characters Type of cooling system Keyword to specify a gas absorption cooling system is GasAbsorption Instead of an SEER the model requires that the COP Capacity and electrical energy be entered in the SEER field separated by a slash For example if COP is 2 9 the capacity is 40000 Btu hr and the parasitic electrical energy is 100 W the input is 2 9 40000 100 COMPLIANCE 3 3 1 09 15 2005 Chapter 4 REPORT DESCRIPTIONS EE 4 2 What TO UDI tt LE ti 4 2 Computer Performance Submittals ccoooccccnccconncnncnnonnnnnos 4 2 Energy Specifications On The Plans 4 3 Other Documentation eee eee eee 4 4 CF 1R Certificate of Compliance Residential Computer Method 4 4 CF 1R Energy Use Summary eee
77. cates the percentage of domestic water heating needs that are supplied by the solar system This value is then entered into MICROPAS under the HEATER BOILER SYSTEMS Section See Chapter 5 of the Residential Manual for input restrictions for the FCHART program NOTE Solar System Credits Specific performance information for the solar system being evaluated must be obtained before proceeding with solar water heating calculations See Chapter 5 of the Residential Manual for more information Passive solar systems do not use mechanical pumps to move heated water from the collection area to the storage area Performance of the system is based on net solar fraction which indicates the percentage of domestic water heating needs that are supplied by the solar system The net solar fraction for passive solar systems must be hand calculated by using Form CF SR before entering the result in MICROPAS See Chapter 5 of the Residential Manual for details on how to fill out the worksheet 2 94 COMPLIANCE 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS SEE EE NE rE 3 2 BUICINO NET EE 3 2 Multi family HOUSING oovii 3 2 Production HOUSING EE 3 3 Additions and Alterations eee eee 3 4 Multiple Conditioned Zones csi 3 15 Zonally Controlled HVAC Systems rrrrrrrrrrrrrrrrrrrrrrrrrrrrrnnnnnr 3 16 Multiple Zones without Zonal Control Credit o 3 18 Unconditioned EIERE 3 19 General Unconditioned Zone Concepts s
78. compliance analysis MICROPAS must be run using full year weather data 365 days California climate zone number A statewide listing of cities and their corresponding climate zones is provided in the Building Energy Efficiency Standards Joint Appendix II Legal values integer between 01 and 16 HVAC SIZING HVAC Sizing Figure 2 5 HVAC Sizing Input Data 1 gt SIZING LOCATION 25 char MODESTO This section of input data applies only to the HVAC Sizing calculations Jr does not affect the compliance analysis except for buildings with heatpumps or electric heating and if the verified maximum cooling capacity credit is specified Some input data in the ZONE Section and the HVAC Systems Section also apply only to HVAC Sizing See those sections for details MICROPAS calculates residential design heating and cooling loads based on the ASHRAE Cooling and Heating Load Calculation Manual These loads are one of the factors used in selecting the HVAC heating ventilation and air conditioning equipment for the building To determine the design load the HVAC sizing calculations use a combination of indoor design conditions outdoor design conditions and the thermal characteristics of the building The thermal characteristics include insulation levels window orientation and shading duct location internal gains and infiltration control Heating and cooling systems operate most efficiently at their rated capacity Oversized equipment o
79. cropas Run PAS7 v7 10 File MP7BASE Wth CTZ12S05 r MP0101 User Enercomp Inc HVAC Page 2 Date 09 15 05 11 54 52 Program FORM CF 1R Run Cardinal Orientation HEATING AND COOLING LOAD SUMMARY BY ZONE ZONE LIVING Description Heating Btu hr Cooling Btu hr Opaque Conduction and Solar Glazing Conduction and Solar Infiltration Sensible Load Latent Load Minimum Zone Load ZONE SLEEPING Floor Area Volume Description 6507 5024 3096 n a 2264 1599 6591 957 2520 1633 16890 n a 13300 2548 16890 6400 cf Heating Btu hr 15849 Cooling Btu hr Opaque Conduction and Solar Glazing Conduction and Solar Infiltration Sensible Load Latent Load Minimum Zone Load 09 15 2005 5994 4300 3096 n a 2072 1456 4946 957 0 1030 15462 n a 8389 1607 15462 9996 O 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Figure 4 31 Sizing Detailed Report HVAC SIZING HVAC Page 2 Project Title Sample Micropas Run Date 09 15 05 11 54 52 MICROPAS7 v7 10 File MP7BASE Wth CTZ12S05 Program FORM CF 1R User MP0101 User Enercomp Inc Run Cardinal Orientation HEATING LOAD CALCULATIONS DESIGN CONDITIONS FOR ZONE HOUSE WINTER DESIGN TEMPERATURES Inside Temperature Outside Temperature DESIGN TEMPERATURE DIFFERENCES Standard CONDUCTIVE HEAT LOSS Heat Btu hr Loss Description Orientation sf sf F Btu hr
80. data editing 2005 by Enercomp Inc location data printmng sese CA Slab covered area edge losses exposed area suspended NN PETIMETET E E NO ee EE Solar gait casearia dE EEN nat Solar gain orgetng eee eee eee Solar heat gain coefficient SOULCE EA E E A Source Energy Table Report 2 105 Special Features Notes 4 12 Standard design input data saving printing input TT Standard duct R ValueS sse seene Standard U factors wood frame raised Tloorg sese eee 2 34 wood frame roofR ceilmngsS sees eee eee eee 2 33 wood frame walls sese Standard water heater Steps to compliance ee ee eee eee SUbMittalS e aczdke ad EEN ES dde deed Substantially shaded sne Summer dry bulb temperature sees eee eee eee ee CA L T ged aid C 4 wet bulb temperature see eee eee eee eee CA SUNSPACE koner essens eE deda d 2 16 3 19 3 20 3 26 input data 3 26 Ventlaton ERIN 3 28 Suspended alb floor sse eee 3 32 Table reports cescs ccccvcesdsscessesecetsesces einni noir asian 2 104 ambient conditions sss sese eee ee 2 105 days tO TEPOPt es b o aees y as Zeko do canon dE ENEE EEN EE heat balance heat iiO A E A input data edd Seed dee eeh dd EE ETT e EE output ST peak conditions sese eee eee 2 110 period to report 2 105 soueeenrn NS 2 105 O 2005 by Enercomp Inc 03 01 2005 INDEX Compliance TSTS eT 2 104 temperature erronnnnvvrnverrvennvennrnerrrvensvenneesne
81. door design Lemperatures sss ee eee e eee eee e 2 12 oversized equipment rated capacity selecting equipment de SANS eee ee submittal requirement sese eee eee eee 4 3 4 4 HVAC sizing calculations and reports see eee eee 2 13 HVAC sizing report sample multi zone building sese ee eee eee sample single zone building eee eee eee eee sample sizing detailed report Li HVAC sizing rung HVAC system multiple units without zonal control 3 18 Hydronic combined enano eet Ne ena MIOS 2 97 delivery system type sese 2 100 pipe insulation copnducHvitg sees eee 2 100 pipe length e geeeeree Eder EES gEeEeEd gier 2 100 pipe thickness 2 100 PUMP POWEL E 2 100 BEDIER 2 99 Slab insulation conocio noncnno 2 97 space heating input data 2 95 space heating overview eee eee 2 96 system NPU Sariei din iia ii ari acid 2 96 system NAME see eee ee eee 2 100 system water heater boiler inputs eee eee eee e 2 97 Hydronic central recirculating sese eee eee eee 2 100 Indirectly conditioned Space sees 2 16 Indoor air quality CEC fixed TET D 7 Research Nersion 725 deZ Tode de TRES Zag Zed drat D 7 Indoor design temperatures sese ee 2 12 Infiltration EE D ea D 6 Inlet area per zone 2 79 Input data worksheet ssoonnnororonrrnornrvnnrnrvrnnernernavnersevererensrvesnn F 1 data worksheet print blank op E 1 terminology eer e eege O dd eds 2 5 values when and how used sse 2 116 In
82. e Partial credits Chapter 3 ADVANCED TOPICS Table 3 3 Verified Refrigerant Charge RC or TXV Assumptions for Additions RC Modeling Assumptions HVAC Existing Building Addition Compliance Approach Equipment Zone Zone Addition alone Existing n a Pkg D Addition alone New n a Actual Existing Addition Existing Pkg D Pkg D Existing E Addition A New in Table 3 2 Actual for A addition only Table 3 2 for E Existing E Addition A New in Table 3 2 Actual for E A whole bldg 1 Addition includes alteration 2 Package D in Zones 2 and 8 15 is 13 SEER with Verified Refrigerant or TXC Package D in Zones 1 3 7 and 16 is 13 SEER Enter the appropriate efficiency from the Vintage Table 3 2 Existing ducts Model the existing duct system with Verified Leakage set to either No Pre2001 if the existing ducts were constructed prior to 2001 and do not have verified leakage or Existing if the existing ducts had verified leakage testing Extended ducts If ducts are being extended to serve the existing plus addition alteration include the extended duct in a separate zone with a tag E e g R4 2 B New duct system If the addition alteration will have a completely separate and new duct system model the new or altered zone with the duct construction proposed No new ducts If no new ducts will be installed in an addition e g a wall is being moved out a few feet without creating any new habitable
83. e 13 Sunday Saturday Climate Electric Zone Average 1 4 COMPLIANCE 3 70 3 72 3 71 3 72 4 09 4 12 4 07 4 05 4 04 3 69 3 69 3 69 4 04 4 03 3 69 3 86 3 69 4 12 TDV Multiplier SCAN ob OO NE 120 100 80 o CH Temperature F 40 20 0 Hour of Week DV Multiplier Outdoor Temperature Electric Minimum 1 98 2 00 1 99 2 00 1 82 2 23 1 80 1 78 1 77 1 97 1 98 1 97 1 77 1 77 1 98 1 92 1 77 2 23 Table 1 1 TDV Value Summary Electric Month Day Hour Maximum June June June June June June June June June June June June June June June 2 7 15 39 August 2 7 16 06 August 2 7 18 05 September 2 7 24 65 August 2 7 20 68 September 2 7 15 22 September 2 7 14 80 August 2 7 18 55 August 2 7 22 17 September 2 7 18 42 August 2 7 14 67 August 2 7 19 14 August 2 7 14 09 August 2 7 16 51 August 2 7 16 81 August 2 7 16 24 August 17 59 14 09 24 65 09 15 2005 20 15 27 14 27 17 4 13 24 16 27 15 6 15 24 15 13 16 21 16 20 16 14 16 7 16 6 16 6 16 O 2005 by Enercomp Inc Plan Checking MICROPAS Compliance Submittals HVAC Sizing Chapter 2 INPUT REFERENCE The energy compliance plan check should include detailed review of the CF 1R Report This chapter is the primary reference on the proper way to determine input values for analyzing buildings using MICROPAS Except for some conversions by MICROPA
84. e AIA Name Samuel T Smith Company Doe amp McClatchy Company Enercomp Inc Address 121 E Broadway Ste 200 Address 1721 Arroyo Drive Sacramento CA 95814 Auburn CA 95603 Phone 916 555 2323 Phone 800 755 5908 License 23120 Signed Signed date ENFORCEMENT AGENCY Name Title Agency Phone Signed 4 24 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS Mandatory Measures Report The MF IR Mandatory Measures Report provides a checklist of mandatory features the building must incorporate for compliance The Residential Manual describes the mandatory features in detail Figure 4 28 MF 1R Mandatory Measures Report MANDATORY MEASURES CHECKLIST RESIDENTIAL MF 1R Page 1 Project Title Sample Micropas Run Date 09 16 05 15 56 45 Project Address 2300 Mace Ave KEE Modesto CA v7 10 Documentation Author Sample Author ARE Building Permit Enercomp Inc 1721 Arroyo Drive Plan Check Date Auburn CA 95603 800 755 5908 Field Check Date Climate Zone 12 Compliance Method MICROPAS7 v7 10 for 2005 Standards by Enercomp Inc MICROPAS7 v7 10 File MP7BASEE Wth CTZ12S05 Program FORM MF 1R User MP0101 User Enercomp Inc Run Sample Note Lowrise residential buildings subject to the Standards must contain these measures regardless of the compliance approach used More stringent compliance requirements from the Certi
85. e Surface Data for a Basement OPAQUE SURFACES OPAQUE AREA OPAQUE ZONE OR SURFACE OR PLAN CHARAC OPAQUE LOCATION NAME LENGTH TILT AZIMUTH TERISTICS NAME COMMENTS l 2 3 4 6 i 8 SHALLOW 420 Vert n a BSHALLOW BSHAL MEDIUM 420 Vert n a BMEDIUM BMED DEEP 420 Vert n a BDEEP BDEEP FWALL 320 Vert Front WALL R19 HOUSE LWALL 288 Vert Left WALL R19 HOUSE BWALL 320 Vert Back WALL R19 HOUSE RWALL 288 Vert Right WALL R19 HOUSE BFLOOR 1200 n a n a BASEFLOOR BSLAB OPAQUE CHARACTERISTICS OPAQUE OPAQUE SHEATH U VAL APP APPENDIX IV CHARAC SURFACE FRAME ING OR IV LOOKUP TERISTIC TYPE TYPE R VAL F VAL LOOKUP NAME 1 2 3 5 6 7 8 BSHALLOW WallBaseA None t n a n a No None BMEDIUM WallBaseB None n a n a No None BDEEP WallBaseC None n a n a No None BASEFLOOR FloorBase None n a n a No None For below grade surfaces that are covered e g by cabinets or gyp board the covering R value is entered as the SURFACE R VALUE Walls will have the MASS TYPE set to ExteriorVert and floors to ExteriorHorz See Chapter 2 Tables 2 12 and 2 13 for the correct Unit Interior Mass Capacity UIMC for the surface being modeled The basement floor is modeled using the same guidelines for covered and exposed surfaces as for any other slab on grade surface see Table 2 10 in Chapter 2 If a significant amount of mass wall protrudes above the soil line that area is counted as exterior mass significant means the height of the exposed mass wall would
86. e most often used constructions in the program see Chapter 2 OPAQUE CHARACTERISTICS However there are hundreds of other potential assemblies that a user might need Users may add construction assembly values from Joint Appendix IV as needed This section of ADVANCED TOPICS discusses the process for adding values from Appendix IV into your MICROPAS software NOTE APPENDIX IV Operations MICROPAS APPENDIX IV values are added outside the Edit Input Menu and thus all assemblies are available for every Building Input File that you create To add Construction U factors select the OTHER OPERATIONS option from the MAIN MENU Then select the APPENDIX IV operations menu Figure 3 23 shows the menu that is displayed 09 15 2005 O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 23 Appendix IV Operations Menu APPENDIX IV OPERATIONS MENU K EDIT Appendix IV Data PRINT Appendix IV Data Editing Appendix IV To edit the Appendix IV library select the EDIT Appendix IV Data option data Printing Appendix IV The Print Appendix IV Data option will print all of the Appendix IV data within the data Appendix IV library either to the screen or to the printer It is not necessary to print Appendix IV data as part of a building department submittal The CF 1R contains enough information for the plan checker to verify the values used for compliance Adding Construction Joint Appendix IV can be obtained from the California E
87. e type shading and orientations HVAC equipment efficiencies e Water heating system s e Duct location e Other data as needed If the existing house conservation features are not known use the assumptions listed in Table 3 2 for the year in which the building was originally built or permitted O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 MICROPAS7 NOTE Year Built If the building has a previously constructed addition the vintage or year of construction is the year the addition was permitted This is to account for any improvements made as part of an existing plus addition analysis at the time of the addition NOTE Existing Heating System and Addition if you are extending an existing heating system the system must be large enough to accommodate the addition NOTE Credit for Past Improvements If a building had improvements that were made after it was constructed and documentation exists to verify the improvements how this upgrade is modeled depends on whether the improvement meets or exceeds current prescriptive alteration requirements typically Package D If the upgrade is equal or better than Package D to receive a credit for this improvement model the unimproved feature first E followed by the improved feature as an alteration A However if a past upgrade does not meet or exceed current alteration requirements e g walls were insulated to R 11 in the 1980s ceiling insulated to R 19 model the u
88. ection The mass surface area and the total opaque surface area linked to the exterior mass must be equal Glazing area must be subtracted and the net area of opaque and mass surfaces is entered Interior Insulation The insulation level on the interior surface of the mass if any is specified with the input value SURFACE R VALUE under the MASS CHARACTERISTICS Section Do not include interior air films Figure 3 29 Thermal Mass Data for Exterior Mass Walls MASS SURFACES MASS MASS SURFACE AREA CHARAC ZONE NAME sf TERISTICS NAME LOCAT ION COMMENTS 1 2 3 4 5 1 gt MASSWALL 948 MASSMATERIAL HOUSE Exterior Mass Wall MASS CHARACTERISTICS MASS THICK SURF VOLUME CON CHARAC NESS ACE HEAT DUCT TERISTIC MASS TYPE in R VAL CAP IVITY UIMC 1 2 3 4 5 6 7 1 gt MASSMATERIAL ExteriorVert 8 0 0 0 28 0 98 12 8 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 3 3 MICROPAS7 Opaque Input Data The orientation solar gains and area of the exterior mass are specified with one or more OPAQUE SURFACE entries see Figure 3 30 MICROPAS ignores the opaque surface U value therefore the U VALUE input is set to n a as shown in Figure 3 30 These surfaces are linked to the exterior mass surface by entering the specific MASS SURFACE NAME found in the MASS SURFACES Section as the input value ZONE OR OPAQUE NAME in the NOTE Net Wall Area Any exterior mass surface area must be calculated and entered into MICROPAS as net wall are
89. eled as interior mass When insulation is applied to the interior surface the feature is modeled as exterior mass however the thermal mass benefits are greatly reduced When insulation is applied to both surfaces or the interior e g foam filled concrete block the benefits gained from modeling the thermal mass will vary depending on the R value of the insulation applied NOTE Log Homes Solid wood walls must be modeled as exterior mass An example input data file for a house with exterior concrete block walls is provided as part of MICROPAS with the file name MP7XMASS 3 32 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 28 Schematic of Input Values for an Exterior Mass Wall Mass Input Data Mass Construction Enter the mass material properties and the thickness of the exterior mass in the MASS CHARACTERISTICS Section Unit Interior Mass Capacity UIMC values can be found in Chapter 2 Tables 2 12 and 2 13 If the mass is a wall set the type as ExteriorVert Set type to ExteriorHorz for a floor The thickness of an interior mass wall is cut in half with both sides of the surface modeled Locating the Mass The mass is linked to the building zone with a thermal mass surface entry as seen in Figure 3 29 Mass Area The area of the exterior mass surface is entered twice Once as an input in the MASS SURFACES Section and again as one or more entries in the OPAQUE SURFACES S
90. enclosed entirely in conditioned space Openings shall be sealed with mastic tape or other duct closure system that meets the applicable requirements of UL 181 UL 181A or UL 181B or aerosol sealant that meets the requirements of UL 723 If mastic or tape is used to seal openings greater than 1 4 inch the combination of mastic and either mesh or tape shall be used Building cavities support platforms for air handlers and plenums defined or constructed with materials other than sealed sheet metal duct board or flexible duct shall not be used for conveying conditioned air Building cavities and support platforms may contain ducts Ducts installed in cavities and support platforms shall not be compressed to cause reductions in the cross sectional area of the ducts Joints and seams of duct systems and their components shall not be sealed with cloth backed rubber adhesive duct tapes unless such tape is used in combination with mastic and draw bands Exhaust fan systems have back draft or automatic dampers Gravity ventilating systems serving conditioned space have either automatic or readily accessible manually operated dampers 4 2 6 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 4 Figure 4 28 MF 1R Mandatory Measu MANDATORY MEASURES CHECKLIST RESIDENTIAL Project Title Sample Micropas Run MICROPAS7 v7 10 File MP7BASEE Wth CTZ12S05 User MP0101 User Enercomp Inc Pro Run REPORT DESC
91. ercomp Inc Run Sample HVAC SIZING Verified Total Sensible Design Maximum Heating Cooling Cooling Cooling System Load Load Capacity Capacity Type Btu hr Btu hr Btu hr Btu hr Furnace 32554 n a n a n a ACSplit n a 17229 20530 n a Sizing Location Winter Outside Design Winter Inside Design Summer Outside Design Summer Inside Design Summer DUCT SYSTEMS Verified Verified Verified System Duct Duct Duct Surface Buried Type Location R value Leakage Area Ducts Yes No No Yes No No Furnace Attic ACSplit Attic R 6 R 6 WATER HEATING SYSTEMS Number Tank External Heater in Energy Size Insulation Tank Type Type Distribution Type System Factor gal R value 1 Storage Gas Standard LE 0 60 50 R n a SPECIAL FEATURES AND MODELING ASSUMPTIONS Items in this section should be documented on the plans installed to manufacturer and CEC specifications and verified during plan check and field inspection This building incorporates a HERS verified Refrigerant Charge test or a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary This building incorporates HERS verified Duct Leakage This building incorporates a Radiant Barrier HERS REQUIRED VERIFICATION Items in this section require field testing and or verification by a certified home energy rater under the supervision of a CEC approved HERS provider using CEC appro
92. ficate of Compliance supersede the items marked with an asterisk When this checklist is incorporated into the permit documents the features noted shall be considered by all parties as minimum component performance specifications for the mandatory measures whether they are shown elsewhere in the documents or on this checklist only BUILDING ENVELOPE MEASURES De En sign force n a er ment 150 a Minimum R 19 insulation in wood framed ceiling or equivalent U factor in metal frame ceiling a 150 b Loose fill insulation manufacturer s labeled R Value 150 c Minimum R 13 wall insulation in wood framed walls or equivalent U factor in metal frame walls does not apply to exterior mass walls a 150 d Minimum R 13 raised floor insulation in framed floors or equivalent U factor 150 e Installation of Fireplaces Decorative Gas Appliances and Gas Logs 1 Masonry and factory built fireplaces have a Closeable metal or glass door covering the entire opening of the firebox b Outside air intake with damper and control flue damper and control 2 No continuous burning gas pilot lights allowed 150 f Air retarding wrap installed to comply with Sec 151 meets requirements specified in ACM Residential Manual 150 g Vapor barriers mandatory in Climate Zones 14 16 only 150 1 Slab edge insulation water absorption rate for the insulation material without facings no greater than 0 3 water vapor permeance rate no greater than 2 0
93. grades or additions made since that time and the currently proposed Alteration construction Using the tags enter the data necessary to describe each feature in both its current state and when construction is complete Model the floor area of the addition as a separate zone Set the number of dwelling units in both the addition zone and the existing zone to the fraction of the dwelling units similar to the description above for addition alone calculations If the home is a single dwelling unit the number of dwelling units for the existing plus addition should add to 1 If any features of the existing building that are modeled in ZONE will change e g upgraded HVAC equipment model the existing zone first followed immediately by the altered zone same name with A Include all proposed upgrades to the existing building as an alteration A See note above for modeling past improvements It is important to model features that will be removed as part of the new construction D because this affects the energy budget New water heating equipment walls glazing and mass are modeled with a N tag while new floor area and HVAC equipment will be modeled in a zone with a N tag See Figure 3 4 for a sample of how these tags affect the output on the CF 1R form Enter Existing Add Alter for the CONSTRUCTION TYPE and select the year of construction ranging from Before 1978 to current year in the RUN FEATURES menu Figure 3 3 shows addition
94. hat uniquely define a location it will complete the entry For example G will specify GARDEN GROVE PISM will specify PISMO BEACH and RIV will specify RIVERSIDE You may also press the lt F3 gt key to display a list of cities by pressing the first letter of the city before pressing lt F3 gt the list begins with that letter so you do not have to scroll through the entire alphabet 2 1 2 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Example What to Submit for Compliance HE Input Data COMPUTER PERFORMANCE TYPE COMPUTER PERFORMANCE CALCULATIONS WATER HEATING CALCULATIONS HVAC SIZING CALCULATIONS O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE Calculations and Reports Figure 2 6 Calculations and Reports Input Data CALCULATIONS AND REPORTS CALCULATIONS 1 gt COMPUTER PERFORMANCE TYPE Both Stand Prop 2 gt COMPUTER PERFORMANCE CALCULATION Yes No 3 gt WATER HEATING CALCULATION Yes No 4 gt HVAC SIZING CALCULATION Yes No COMPLIANCE REPORTS 5 gt PRINT CF 1R REPORT Yes 6 gt PRINT MF 1R REPORT Yes 9 gt PRINT HVAC SIZING REPORT OTHER 10 gt PRINT INPUT DATA Yes No 11 gt PRINT TABLE REPORTS Yes 12 gt STANDARD DESIGN INPUT DATA No No Yes No Detailed Unformatted No Delimited Save NoSave The Calculations and Reports Section allows the user to vary the type of reports generated and the type of
95. he Exterior OPAQUE SURFACES OPAQUE AREA SOLAR 1 gt SURFACE NAME OR PLAN LENGTH TILT AZIMUTH 2 3 GAINS Y N 5 OPAQUE CHARAC TERISTICS 6 ZONE OR OPAQUE LOCATION NAME COMMENTS 7 8 1 FWALL 204 Vert 4 Front Yes OPAQUE CHARACTERISTICS OPAQUE CHARAC TERISTIC OPAQUE SURFACE TYPE 2 CAV FRAME ITY OUTSIDEMASS SHEATH U VAL ING TYPE R VAL R VAL 3 4 5 MASSWALL APP IV LOOKUP 7 APPENDIX IV LOOKUP NAME 8 1 OUTSIDEMASS 3 34 COMPLIANCE MANUAL Wall None 5 0 09 15 2005 n a No None O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Inside Surface When mass walls are insulated on the inside surface of the mass the R value of the insulation Insulated is shown in the input SURFACE R VALUE of the MASS CHARACTERISTICS Figure 3 32 Mass Wall Insulated on the Interior MASS SURFACES MASS MASS SURFACE AREA CHARAC ZONE NAME sf TERISTICS NAME LOCAT I ON COMMENTS 1 2 3 4 5 1 gt MASSWALL 948 MASSMATERIAL HOUSE Exterior Mass Wall MASS CHARACTERISTICS MASS THICK SURF VOLUME CON CHARAC NESS ACE HEAT DUCT TERISTIC MASS TYPE in R VAL CAP IVITY UIMC 1 2 3 4 5 6 7 MASSMATERIAL ExteriorVert 8 0 13 0 28 0 98 1 8 Below Grade Surfaces Overview Walls of a conditioned basement below grade walls are a type of exterior mass surface that is modeled as an OPAQUE SURFACE as well as MA
96. iance for the building addition or alteration is analyzing it alone and ignoring the existing building This method is most effective when the energy features correspond closely to the package D requirements see Residential Manual Appendix B Table 151 C for the climate zone where the building is located NOTE Shut Off Water Heating It is acceptable to add a water heater as part of an addition however water heating systems may not be modeled when using the Additions Alone method Water heating calculations are skipped by setting WATER HEATING CALCULATIONS to No in the Calculation and Reports Section of input data When adding a water heater in an AdditionAlone see Residential Manual Section 8 5 2 for more information If compliance cannot be achieved using the Addition Alone method expand the analysis to include the energy features of the existing building see discussion of Existing Addition Alteration Analysis NOTE Packages If the addition is lt 100ft and has lt 2007 of glazing consider the package approach See Section 8 3 2 of the Residential Manual for details 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 5 MICROPAS7 Except for the inputs mentioned below the Addition Alone method requires the addition to be modeled and documented as a separate building The existing house including any wall or glazing between the existing house and the addition is ignored Set the CONSTRUCTION TYPE under the RUN FE
97. iance must also be shown in the case where the floor area is increased in one portion of the building and decreased in another Under the standards additions are defined as modifications that increase the conditioned floor area and volume of the building Alterations are defined as changes to a building s envelope space conditioning system water heating system or lighting system that are not additions An alteration does not increase both conditioned volume and floor area See Chapter 8 of the Residential Manual for more information on additions and alterations For alterations there may be some cases where compliance with a particular aspect of the prescriptive requirements is not desirable or feasible in which case MICROPAS can be used to show compliance for the alteration There are three methods of analyzing building additions and alterations in MICROPAS 1 Modeling the whole building 2 Modeling the addition or alteration alone 3 Modeling the existing building with the addition and or alteration Existing Addition Alteration Method 3 4 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS a NOTE For Users of Previous Versions Unlike previous versions where two files were necessary for the existing plus addition approach this version requires a single input file with information about the existing building and all changes For accurate results the user must specify the correct tags E for e
98. iciency standard for cooling equipment changes to a 13 SEER For compliance calculations that will be submitted prior to January 23 2006 you may use ComplianceSEER10 VINTAGE The year that a building complying under Existing Addition Alteration was constructed ASSUMPTIONS FOR This value is used to determine which values in the table of defaults Table 3 2 apply to the EXISTING BUILDING existing construction If the building has a previously constructed addition the vintage is the year the addition was permitted Legal values Before 1978 1978 1983 1984 1991 1992 1998 1999 2000 2001 2003 2004 2005 After 2005 RESEARCH In research mode the user is allowed to change assumptions that are normally fixed in compliance mode Also all reports will include a line which indicates MICROPAS was in research mode as follows Research Version Not to be used for compliance 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 9 MICROPAS7 EEE Input Data WEATHER DATA TYPE CEC CLIMATE ZONE Overview Site and Weather Data Figure 2 4 Site and Weather Input Data SITE AND WEATHER DATA 1 gt WEATHER DATA TYPE FullYear ReducedYear FullYear 2 gt CEC CLIMATE ZONE 1 thru 16 Description Site and Weather Data The Site and Weather Data Section specifies the climate zone and the type of weather data to use in the analysis Type of weather data to use in the
99. incorporates HERS verified Supply Duct Surface Areas This building incorporates HERS verified Ducts in a Crawlspace or Basement Location All supply registers must be within 2 ft of floor This building incorporates Ducts in a Crawlspace or Basement Location The local enforcement agency may waive HERS verification for these locations This section of the CF IR Report appears when compliance credit is taken for measures that require field verification and diagnostic testing as a condition of that credit See Residential Manual Chapter 4 for more information on the requirements for field verification and diagnostic testing Chapter 4 REPORT DESCRIPTIONS CF 1R Remarks Figure 4 15 CF 1R Remarks REMARKS These are comments entered by the user as an entry in the Notes section of input or made by hand after the printout of the CF 1R Report MICROPAS will automatically add three lines for notes made by hand CF 1R Compliance Statement Figure 4 16 CF 1R Compliance Statement COMPLIANCE STATEMENT This certificate of compliance lists the building features and performance specifications needed to comply with Title 24 Parts 1 and 6 of the California Code of Regulations and the administrative regulations to implement them This certificate has been signed by the individual with overall design responsibility DESIGNER or OWNER DOCUMENTATION AUTHOR Name Arthur Doe AIA Name Sample Author Company
100. ing compliance Source energy multiplies the electrical energy by a factor 3 413 3 where 3 413 is the conversion from kWh to Btu and the factor of 3 adjusts the electrical energy use to account for inefficiencies in the electrical generation and distribution This factor of 3 is called the source energy multiplier and until the 2005 standards are implemented has been a constant For the 2005 standards the source energy multiplier is being replaced by a TDV multiplier This multiplier varies each hour of the year and was derived from the cost of generating and delivering electricity at each hour by California s electric utilities There is a different TDV hourly file for each climate zone although the values are similar because the distribution grid is closely connected Figure 1 1 shows the hourly TDV values for climate zone 13 for the whole year This illustrates the summer peaking nature of California s electrical energy use Figure 1 2 shows the values for an August summer week in climate zone 13 along with the outdoor temperature This figure shows that high TDV valuations occur on weekdays during warmer hours of the day Table 1 1 shows the average maximum and minimum TDV values for all climate zones Figure 1 1 Yearly TDV Values for Climate Zone 13 TDV Multiplier Hour of Year O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 1 3 MICROPAS7 Figure 1 2 Summer Weekly TDV values for Climate Zon
101. ioned zones and modeled for compliance when either 1 One space is conditioned and another space is unconditioned as when the house has an attached sunspace In the case of a sunspace heat from the sunspace is expected to contribute to the house or reduce heat loss from the house 2 One space is an unconditioned uninhabitable buffer space example controlled ventilation crawlspaces Controlled Ventilation Crawlspaces must meet CEC installation guidelines for compliance as described in Chapter 3 of the Residential Manual General Unconditioned Zone Concepts This section describes the general concepts of multiple zone modeling with MICROPAS Other sections of this manual describe modeling techniques for specific multi zone building designs A zone is modeled as being either conditioned or unconditioned by setting the input value CONDITIONED in the ZONE Section of input to Yes or No The floor area of an unconditioned zone is not included in any of the conditioned floor area values calculated by MICROPAS The input value NUMBER OF DWELLING UNITS is always set to 0 MICROPAS assumes fixed internal heat gain and zone heat capacity values that vary by the floor area and the number of dwelling units of the zone These values vary for each type of building zone according to the input value ZONE TYPE in the ZONE Section of input The numeric values of the internal gain and heat capacity values used by MICROPAS are listed in Appe
102. itchen System with no more than 8 horizontal distance between the water heater and hot water fixtures except laundry Not used with central systems in multi family buildings Systems with individual pipes from the water heater to each fixture R 4 or greater insulation applied to 3 4 or larger non recirculating hot water mains or pipes buried under attic insulation in addition to insulation required by the Standards Section 1506 first five feet from water heater on both hot and cold water pipes Distribution system using a pump to recirculate hot water to branch piping through a looped hot water main with no control of the pump such that water flow is continuous Not used with instantaneous water heaters Pipe insulation is required Recirculation system that uses temperature controls to cycle pump operation to maintain recirculated water temperatures within certain limits Not used with instantaneous water heaters Pipe insulation is required Recirculation system that uses a timer control to cycle pump operation based on Not used with instantaneous water heaters Pipe insulation is required Recirculation system that uses both temperature and timer controls to regulate pump operation Not used with instantaneous water heaters Pipe insulation is required Recirculation system that uses brief pump operation to recirculate hot water to fixtures just prior to hot water use when a demand hot water is indicated Not u
103. ix IV Figure 3 25 Edit Menu APPENIX IV LOOKUPS EDIT MENU K APPENDIX IV LOOKUP LIBRARY 3 3 0 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Input Data LOOKUP NAME DESCRIPTION SURFACE TYPE FRAME TYPE FRAME SIZE FRAME SPACING CAVITY R VALUE SHEATHING R VALUE U VALUE OR F FALUE APPENDIX IV TABLE APPENDIX IV CELL Using Appendix IV Lookup values O 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Figure 3 26 Appendix IV Library APPENDIX IV LOOKUP LIBRARY gt NUMBER OF LOOKUPS 200 maximum LOOKUP W 13 2X4 16 R4 W 13 2X4 16 R4 Wall R13 R4 2x4 160c APPENDIX IV LOOKUP NAME DESCRIPTION SURFACE TYPE FRAME TYPE Wood Metal Other None FRAME SIZE 2X4 2X6 etc FRAME SPACING inches on center CAVITY R VALUE hr sf F Btu SHEATHING R VALUE hr sf F Btu U VALUE OR F VALUE Btu hr F per sf or ft 10 gt APPENDIX IV TABLE 1V 1 1V 28 11 gt APPENDIX IV CELL A1 C3 E20 etc Description Appendix IV Lookup Library Name of construction This name is used to link the characteristics of the material to the construction assembly Maximum length is 14 characters Description of the assembly This description does not appear on any of the documentation Maximum length is 25 characters Keyword to identify if the surface is a wall roof door slab edge the same surface types that are available in opaque characteri
104. lesocecentevsecatcenseccbesedeasdeceecescessecsts 2 32 Fan S1Z6 O 2 11 Fan ventilation OV ELVIS A Eesen Ee systems input data Fenestration solar heat gain Coefficient 2 39 Fenestration Default Product U Factors sese 2 37 Default Solar Heat Gain Coefficient 2 38 Tp Ts H 2 36 drapery Operation ishesesizrienih en D 8 exterior shade operation eee eee eee D 8 label T ee eege irai EEO eege 2 38 2005 by Enercomp Inc 03 01 2005 INDEX Compliance Shading factor iani D 8 solar heat gain Coefficient 2 43 thermal Sher scary Tap g ETag ree h D 9 LBE TE 2 43 TT 2 22 Fireplaces sss ss seer enesenn ennenen nenen ennenen 2 52 Fixed input values sse eee D 3 N Kor EE ERE EE 2 18 lege 2 22 2 32 raised Hoor 2 22 Slab al 2 22 Form 3R name Frame DE A caves AE AORN Front optentapon ccoo nnconn nono ccoo nncnns doors and walls separating Slab edge condition sss sese Gas Absorption Coolmg sees eee eee Gas furnace minimum efficiency ee ee eee eee eee 2 64 General notes 2 103 Glazing area calculations characteristic name characteristics input data 2 43 corner windows input data interior shade type opaque surface name A rsisi iiia ele EE ENEE eh Site Duilio ii is solar heat gain coefficient GHOCH ce eeeeneeeereeee 2 39 sources for U factor mmmuts sse eee eee 2 36 surface NAME eee e ee 2 42 ZONE DAME cin E E ATA EENE ASE 2 42 Glazing area standard
105. ling and floors between conditioned and unconditioned building zones Name of inter zone surface Used for identification purposes only by the user Maximum length is 8 characters Area of inter zone surface Units square feet Name which links the properties of an opaque surface characteristic to the inter zone surface Maximum length is 12 characteristics NOTE Inter zone Glazing The characteristics of inter zone glazing must be defined as a Wall Roof etc in the OPAQUE CHARACTERISTICS Section of input You cannot link a glazing characteristic to an inter zone surface For example a single pane glazing could be defined as follows OPAQUE CHARACTERISTIC NAME SINGLE GLS OPAQUE TYPE Wall R VALUE 0 U FACTOR 1 28 APP IV LOOKUP NO APPENDIX IV LOOKUP NAME None Name of the building zone on side 1 either zone of the inter zone surface This zone must be defined in the ZONE Section of input Maximum length is 8 characters Name of the building zone on side 2 opposite zone of side 1 above of the inter zone surface This zone must be defined in the ZONE Section of input Maximum length is 8 characters Text describing the location or special features of the inter zone surface Maximum length is 20 characters Input Data For Absorbed Insolation Fractions Figure 3 10 Absorbed Insolation Fractions Input Data ABSORBED INSOLATION FRACTIONS GLAZING MASS FRACTION SURFACE SURFACE WINTER SUMMER
106. m FORM CF 1R Run Cardinal Orientation INTERNAL GAIN Ig 1 00 x Dwelling Units 4 x People 230 0 1600 Appliance 2520 SUBTOTAL 15114 DUCT HEAT GAIN Duct Location Attic 0 140 x 15114 2116 TOTAL HOURLY SENSIBLE HEAT GAIN 17229 COMPLIANCE 4 33 09 15 2005 INDEX Compliance INDEX Compliance Manual 2005 overview of change 1 2 Absorbed insolation fractions sese e 2 51 3 21 3 27 Active solar systems eee 2 94 Actual azimut eser Adding U factors esse ss essen Additions ss sese addition alone AdditionAlone keyword Additions Alterations Default Assumptions sese eee eee eee 2 9 default existing building assumptions sse eee eee ee ee eee 3 9 greenhouse wimndow non nnnc nooo nonnnnns 3 5 internal heat gains eee eee eee 3 6 modeling credits only in the adden 3 15 modeling guidelines RC TXV modeling assumptions refrigerant charges nin enn nA oe Sample printout eee eee 3 13 Sy lincoln cincnaccncognnatnro dedo canada eean rare decorada pe uc 3 5 special modeling Wes 3 14 ET verified leakage vintage table Vintage Table Water OI aten What to submit sirenen nai e E 3 13 Addresses displayed seen 2 101 Air conditioning minimum efficiency sees ee eee eee ee 2 64 Air infiltration eredt esse sese Air retarding wrap Alterations EAIA EA EAEE EEE E Alternative Component Package D 1 10 2 5 Ambient Conditions Table Report 2 105 Annual F
107. maximum DUCT HEATING INSUL DUCT DUCT VERIF SURFACE BURIED R VALUE LOCATION LOCATION LEAKAGE AREA DUCT ik 2 3 4 5 6 7 CRAWL R4 2 4 2 Crawlspace Crawlspace No No No COOLING VERIF VERIF An attached sunspace with the proper design and operation can provide supplemental space heating to the building reducing conventional space heating energy use A sunspace is normally an unconditioned space attached to the building that has a large amount of south facing glass for winter heating and conversely a large amount of operable glass or vents for summer venting An example input data file for a sunspace model is provided as part of MICROPAS with the file name MP7MP7SUN Input Data For Sunspaces The ZONE Input data for a sunspace should follow the example shown in Figure 3 18 To specify a sunspace the input values CONDITIONED ZONE TYPE NUMBER OF DWELLING UNITS and THERMOSTAT TYPE must be set to No Sunspace 0 and SunspaceStat respectively The input values FLOOR AREA and VOLUME are set according to the dimensions of the sunspace as shown on the plans Figure 3 18 Sunspace Zone Input Data ZONE SUNSPACE 1 gt ZONE NAME 2 gt CONDITIONED 3 gt ZONE TYPE 4 gt FLOOR AREA sf 5 gt VOLUME cuft 6 gt NUMBER OF DWELLING UNITS CREDITS 7 gt HOUSEWRAP VERIFIED AIR LEAKAGE Yes No SLA 8 gt RADIANT BARRIER Yes No CoolRoof 9 gt VERIFIED INSULATION QUALITY Yes No HVAC SYSTEM 0 gt NUMBER OF SYSTEMS SERVING ZONE
108. mp Inc 03 01 2005 INDEX Compliance Wood space heating sees ee eee eee ee 2 65 Woodstove boiler 2 95 Zonally controlled HN AT 3 16 Zonally controlled HVAC system inter Zone Surface 3 18 Zone MAING andon ea dE e Ee eh dE 2 42 ZONES A Ee 2 51 COMPO gong eeeck seed ee EES SES nacion s 3 20 heat Capacity eee 3 19 D 7 indirectly conditioned Space sese eee 2 16 living and sleeping Opaque Surface overview COMPLIANCE N D EX i A
109. n having an installed thermal resistance of R12 or greater Back up tanks for solar system unfired storage tanks or other indirect hot water tanks have R 12 external insulation or R 16 internal and indicated on the exterior of the tank showing the R value AT The following piping is insulated according to Table 150 A B or Equation 150 A Insulation Thickness 1 First 5 feet of hot and cold water pipes closest to water heater tank non recirculating systems and entire length of recirculating sections of hot water pipes shall be insulated to Table 150B Cooling system piping suction chilled water or brine lines piping insulated between heating source and indirect hot water tank shall be insulated to Table 150 B and Equation 150 A Steam hydronic heating systems or hot water systems gt 15 psi meet requirements of Table 123 A TO Insulation must be protected from damage including that due to sunlight moisture equipment maintenance and wind Insulation for chilled water piping and refrigerant suction piping includes a vapor retardant or is enclosed entirely in conditioned space 7 Solar water heating systems collectors are certified by the Solar Rating and Certification Corporation 150 m Ducts and Fans 1 All ducts and plenums installed sealed and insulated to meet the requirements of the CMC Sections 601 602 603 604 605 and Standard 6 5 supply air and return air ducts and plenums are insulated to a minimum installed level of R 4 2 or
110. n once within a subdivision The permit applicant can choose one of three options to compliance for the production housing These two options are listed in Table 3 1 and further described on the succeeding pages Table 3 1 Production Housing Compliance Options Production Housing Compliance Options Number of Runs Demonstration of Compliance Individual Orientations one run for each actual comply with each orientation orientation individually Multiple Orientations four runs all four orientations one for each of the four must comply using the cardinal orientations same set of energy features Individual Orientations This method requires analyzing and achieving compliance for each orientation of the building individually A set of compliance documentation is submitted for each orientation When possible lot numbers are supplied on the compliance reports to establish which set of compliance documentation applies to which buildings within the development Multiple Orientations MICROPAS has a special feature that automatically calculates the Multiple Orientation method of compliance This feature minimizes effort and reduces the amount of compliance documentation This method requires that each building plan have a fixed set of energy related features areas insulation levels etc that do not change as the building is built in different orientations Compliance is achieved by showing that the building meets the standard energy budget in
111. n the case of a sunspace attached to a house If the heat collected by the first space is transferred to the second space via natural ventilation then an inter zone ventilation system will be listed here on the CF 1R Report The Inter Zone Ventilation section will only appear on the CF 1R in multiple zone buildings that have this type of ventilation CF 1R Thermal Mass Figure 4 24 CF 1R Thermal Mass THERMAL MASS Heat Conduct Surface Mass Type i Cap ivity UIMC R value Location Comments 1 SlabOnGrade 600 x S Exposed 2 SlabOnGrade 1000 S E Covered 3 InteriorVert 40 E A A M Bath Tile Wall 4 InteriorHorz 80 i x x x x Entry Tile Floor 4 1 8 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Special Notes Heat Capacity and Conductivity UIMC Surface R value O 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS In a building that exceeds the high mass threshold see Chapter 2 Input Reference these values represent the size location and thermal characteristics of the thermal mass surfaces of the building such slab floors masonry walls tile masonry fireplaces etc A high mass design is reported in the Special Features and Modeling Assumptions The volumetric heat capacity in Btu ft F and conductivity Btu in hr ft F of the thermal mass material used in MICROPAS are listed in Chapter 2 Input Reference or can be taken from references such as ASHRAE Fundamentals The Unit
112. ncorporates a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary This building incorporates HERS verified Fan Power This building incorporates Verified Adequate Air Flow and HERS verified duct design and layout The air conditioning system must be verified for adequate air flow and the duct design layout and calculations must be included in the submittal his building incorporates HERS verified Maximum Cooling Capacity his building incorporates HERS verified Buried Ducts his building incorporates HERS verified non standard Duct Location This building incorporates HERS verified Duct Leakage Target leakage is calculated and documented on the CF 4R If the measured CFM is above the target then corrective action must be taken to reduce the duct leakage and IS r Vi hen must be retested Alternatively the compliance calculations could be edone without duct testing If ducts are not installed then HERS erification is not necessary This building incorporates HERS verified Duct Leakage Target leakage is calculated as 6 of fan flow If the measured CFM25 is above the target then corrective action must be taken to reduce the duct leakage and then must be retested Alternatively the compliance calculations could be redone without duct testing If ducts are not installed then HERS verification is not necessary This building
113. ndix E Program Assumptions The input value ZONE NAME is defined in the ZONE Section of input It is used to link surfaces entered in the OPAQUE SURFACES GLAZING SURFACES INTER ZONE SURFACES and MASS SURFACES Sections to a particular building zone 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 1 9 MICROPAS7 Control Zone Versus Secondary Zone EG Input Data NAME VENTILATION SYSTEM NAME CONTROL ZONE NAME SECONDARY ZONE NAME LOCATION COMMENTS 3 2 0 COMPLIANCE MANUAL Input Data For Inter zone Ventilation Figure 3 8 Inter Zone Ventilation Input Data INTER ZONE VENTILATION SYSTEMS VENT CONTROL SECONDARY SYSTEM ZONE ZONE LOCATION NAME NAME NAME COMMENTS 1 2 3 4 5 1 gt SSVENT SUNHOUSE HOUSE SUNSPACE NAME NATURAL VENTILATION SYSTEMS NATURAL NATURAL VENTILATION VENTILATION SYSTEM NAME TYPE iE 2 SUNHOUSE Special INLET AREA PER ZONE HEIGHT DIFF ft The inter zone ventilation model is used to estimate the transfer of heat between two zones one of which is operated to benefit the other such as a house with an attached sunspace In MICROPAS an inter zone ventilation system is assumed to work for the thermal benefit of the control zone at the thermal expense of the secondary zone For example heat from a sunspace the secondary zone is ventilated to the house the control zone It is assumed that the occupants of the h
114. nergy Commission s web site Types www energy ca gov Title24 See Figure 3 24 for an excerpt of that document The values in the Appendix IV tables contain everything needed to add constructions to the Appendix IV library O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 2 9 MICROPAS7 Figure 3 24 Portion of Appendix IV Table IV 2 Rafter Roofs 2005 Joint Appendices Page IV 8 Table IV 2 U factors of Wood Framed Rafter Roofs Rated R value of Continuous Insulation Spacing Insulation Size A B D E F G H 16 In OC None Any 0297 O18 0134 0 105 0086 0087 0 074 0067 R11 26 0 076 008 0 058 0052 0049 0047 0 043 0037 R13 26 0 069 0080 0063 0048 0046 0044 0 010 00 R 15 2x6 0 062 008 0049 0045 0043 0041 0 008 003 R19 2x8 0 051 0046 002 0038 0 037 00 0 003 0029 R21 2x8 0043 0 008 0036 00 00 0 061 poz R22 0 044 0041 0 067 0035 0 033 0032 0 090 0027 R25 0041 0037 0084 0032 00391 00 0028 0025 R30 0 036 003 008 0028 00 0027 0 028 0023 R 30 0 03 0032 0 000 0028 0027 0027 0 025 0023 R33 0 029 0027 0006 0024 0024 0023 002 0020 Ra 0 078 0027 0025 0024 0023 0023 0 022 0020 Foamed Plastic 0074 006 0 086 0050 0047 0045 0 041 0035 pleat a 0 052 0046 0 012 0098 0 037 00 0 003 0029 0 041 0037 0084 0032 0 031 00 0 028 0025 0 033 0031 0 009 0027 002 00 0 024 0022 00 0026 0 025 0023 0023 002 0024 0019 0 237 0160 0 121 om 0 0898 0081 0 070 0055 0 075 006 0067 0051 0049 0046 0042 0036 0 067 0053 0062 on 0045 0043 0040 0034 Editing Append
115. nerrssenssennee 2 108 temperature bung 2 109 time of use timescale eee LEG EE Targeted solar gains DER A Temperature bins report eee eee 2 109 table eT EEN 2 108 Text Input valles ii i 2 5 Thermal mass adobe tana de atera TA Mo SE ENE EE below grade walls 2 23 3 35 characteristics game 2 58 e I DON AE ENER PD NE 2 59 sse GT 2 58 EE 2 54 ST 2 55 EXPOSE T 2 54 exterior MAS ci ii EE dee E 2 56 high mass TO lightweight mass ee ue properties retaining walls ccc eceecessenceeseeeecesecseeseeseeeceaeeneeesees R value Of covering sees e eee ee Bl ee dario NEESS eeEed surface covering R Value sees ee eee EUN STT surfaces input data sees eee thickness ZONE A edu Thermal mass characteristics input data Thermostat CEC fixed Values serio s D 11 erd 2 19 BVI 2 05 fevcss ceeds sce vexdsccvcecgecuvocseestcendescudevencevengoesiasebcendeseseves 2 28 opaque Surface 2 27 Time Dependent Valuation sss eee ee eee ee 1 3 Time of Use Table Report 2 110 Time Zoe ica D 4 True azimuth see eee 2 42 COMPLIANCE I N D EX VI i MICROPAS7 KEE 2 56 Type input Values sees eee eee 2 5 Typical input Die 2 3 U factors adding assemblies see eee 3 28 CEC Standard UIMC values de iech dee ninian Unconditioned space sss 2 16 Unconditioned zones 3 19 Unusually tight Ventilation required sees 2 17 U values of opaque surfaces Vemtilation ee cecceeeccesecsseesceeeceecceeseeseceaec
116. ng The heaters boilers and the hydronic systems listed here must also be defined in the HEATER BOILER SYSTEMS and HYDRONIC SPACE HEATING SYSTEMS Sections For clarity a water heating system is comprised of one or more identical water heaters If a building has more than one type of water heater then each type must be treated as a system For example see Figure 2 49 where there are 12 water heaters and 3 systems NOTE Water Heating System Values The values listed in the figures that appear in this section are merely examples and should not be used for compliance Use actual values for actual water heaters A description of how to model hydronic space heating systems is found in the HYDRONIC SPACE HEATING SYSTEMS Section that appears later in this chapter 2 8 8 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE Water Heater Input The inputs required for the Water Heater Section of input vary according to the type of heater Data being analyzed Table 2 17 lists the heater specifications that are required for each type of water heater Note that the inputs for this section may vary depending on the combination of TANK TYPE and HEATER ELEMENT All available inputs are listed in Table 2 18 Table 2 17 Required Water Heater Specifications by Type Storage Lg Storage Storage Storage Instant Instant Indirect Gas Gas Electric Heat Pump Gas Gas Electric TANK TYPE Storage Lg Storage Storage Storage Instant Instant
117. nt if measures are modeled that will require a HERS rater to perform diagnostic testing or verification If HERS verified features are specified then a CF 4R form must be completed by the HERS rater prior to final inspection To find a HERS rater in your area visit the website of one of the two HERS providers www calcerts com or www cheers org MICROPAS provides a means to annotate the compliance documentation with information that clarifies the analysis for all parties involved Compliance notes can be made in the Location Comment fields and the Remarks section of the input data These notes appear following special features on the CF 1R Reports CF 1R Certificate of Compliance Residential Computer Method The CF IR Certificate of Compliance Residential Computer Method provides a detailed listing of the values assumed for the MICROPAS input and provides an energy use summary which indicates whether the building complies The following discussion of the CF 1R report is divided into several sections each corresponding to a section of the CF 1R report An example of each section of the report is provided followed by a discussion of that section An example of an entire CF 1R Report is found in Figure 4 27 following Special Cases NOTE CF IR Inputs Every input value that affects the energy use is listed in some form on the CF IR Report and thus a separate copy of input data is neither necessary nor appropriate for submittals
118. or not Legal values Yes or Nol NOTE HVAC Sizing Runs HVAC Sizing calculations can be performed without running the main MICROPAS calculations by using the HVAC Sizing option from the OTHER Operations Menu accessed from the MAIN MENU COMPLIANCE 2 1 3 09 15 2005 MICROPAS7 PRINT CF 1R REPORT PRINT MF IR REPORT PRINT HVAC SIZING REPORT PRINT INPUT DATA SEO Input Data PRINT TABLE REPORTS COMPLIANCE REPORTS Specifies whether to print the CF 1R compliance report also known as the Certificate of Compliance A CF 1R must be included in the compliance submittal and be attached to the building plans The CF 1R may be printed by MICROPAS or filled out by hand see the Residential Manual Legal values Yes or Nol Specifies whether to print the MF 1R compliance report also known as the Mandatory Measures Checklist An MF 1R must be included in the compliance submittal The MF 1R may be printed by MICROPAS or filled out by hand see the Residential Manual Legal values Yes or No Specifies whether to print the HVAC Sizing calculations report A summary of the sizing calculation is also included on the CF 1R so this report is optional The input value HVAC SIZING CALCULATIONS must also be set to Yes in order to print this report For multi zone buildings a summary is printed by zone The detailed report is not required and is not recommended for com
119. ouse will open the doors and windows between the zones to provide heating to the house Description Inter Zone Ventilation Name of inter zone vent system Used for identification purposes only Maximum length is 8 characters Name which links the inter zone vent to a ventilation system defined in the Natural Ventilation Section of input Name of the building zone designated the control zone see above discussion This zone must be defined in the ZONE Section of input Maximum length is 8 characters Name of the building zone designated the secondary zone see above discussion This zone must be defined in the ZONE Section of input Maximum length is 8 characters Text that describes the location or special features of the inter zone vent Maximum length is 20 characters Input Data For Inter zone Surfaces Figure 3 9 Inter Zone Surfaces Input Data INTER ZONE SURFACES INTERIOR SURFACE NAME OPAQUE AREA CHARAC ZONE LOCATION sf TERISTIC SIDE 2 COMMENTS 1 2 3 5 6 Le TOE 40 DOUBLE SUNSPACE glass to sunspace 2 gt 182 320 WALL R11 SUNSPACE wall to sunspace 09 15 2005 O 2005 by Enercomp Inc Input Data INTERIOR SURFACE NAME AREA OPAQUE CHARACTERISTICS ZONE SIDE 1 ZONE SIDE 2 LOCATION COMMENTS Chapter 3 ADVANCED TOPICS Description Inter Zone Surfaces Inter zone surfaces are used to model walls windows cei
120. perates at a fraction of the rated capacity and cycles on and off excessively wasting energy and shortening the life of the equipment Design loads are calculated for a building to ensure that its HVAC system is sized correctly Many of the old rules of thumb can lead to significantly oversized HVAC equipment 2 1 0 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE Interpretation Of The The design heating and cooling loads calculated by MICROPAS are just one of the factors Results used when selecting the HVAC equipment for the building Other factors that must be considered include e Heating and cooling output of available equipment e Duct losses e Fan size requirements for adequate air delivery e Building dehumidification requirements e Outdoor design conditions e Coil sizing In the course of a typical MICROPAS analysis the user must specify a minimum HVAC equipment efficiency The sizing calculations will give the calculated design loads In some cases such as where very high efficiency equipment is used in MICROPAS calculations it is advisable to search the sources of certified equipment to determine the availability of potential equipment that meets both the sizing and efficiency criteria However only a mechanical engineer or the mechanical contractor who is installing the equipment can select the HVAC equipment The documentation author can provide the sizing calculations and efficiency requiremen
121. perm inch Esch 118 Insulation specified or installed meets insulation quality standards Indicate type and include CF 6R form A 116 17 Fenestration Products Exterior Doors and Infiltration Exfiltration Controls 1 Doors and windows between conditioned and unconditioned spaces designed to limit air leakage Fenestration products except field fabricated have label with certified U factor certified Solar Heat Gain Coefficient SHGC and infiltration certification Exterior doors and windows weatherstripped all joints and penetrations caulked and sealed O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 2 5 MICROPAS7 Figure 4 28 MF 1R Mandatory Measures Report MANDATORY MEASURES CHECKLIST RESIDENTIAL Page 2 MF 1R Project Title Sample Micropas Run Date 09 16 05 15 56 45 MICROPAS7 v7 10 File MP7BASEE Wth CTZ12S05 Program FORM MF 1R User MP0101 User Enercomp Inc Run Sample SPACE CONDITIONING WATER HEATING AND PLUMBING SYSTEM MEASURES De En sign force n a er ment 110 113 HVAC equipment water heaters showerheads and faucets certified by the Energy Commission 150 h Heating and or cooling loads calculated in accordance with ASHRAE SMACNA or ACCA 150 i Setback thermostat on all applicable heating and or cooling systems 150 3 Water system pipe and tank insulation and cooling systems line insulation 1 Storage gas water heaters rated with an Energy Factor less than 0 58 must be externally wrapped with insulatio
122. pgraded feature as existing either E or no tag Any upgrade that is planned as part of the current construction whether it meets current alteration requirements or not must be modeled as altered A 3 8 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc Chapter 3 ADVANCED TOPICS Table 3 2 Default Assumptions for Existing Buildings Default Assumption for Year Built Vintage Before 1978 1984 1992 1999 2001 2004 Conservation Measure 1978 to 83 to 91 to 98 to 2000 to 03 to 05 INSULATION U VALUE Roof Wall Raised Floor Crawlspace Raised Floor No Crawlspace Slab Edge F2 Ducts LEAKAGE Building SLA Duct Leakage Factor FENESTRATION U factor Use Standards Table 116A for all vintages see Table 2 4 Ch 2 Input Reference SHGC Use Standards Table 116B for all vintages see Table 2 5 Ch 2 Input Reference Shading Device Use ACM Table R3 7 see Table 2 7 Ch 2 Input Reference SPACE HEATING EFFICIENCY Gas Furnace Central AFUE 0 75 Heat Pump HSPF 5 6 Electric Resistance HSPF 3 413 SPACE COOLING EFFICIENCY All Types SEER 8 0 WATER HEATING Energy Factor 0 525 0 525 0 525 0 525 0 58 Rated Input MBH 28 0 28 0 28 0 28 0 28 0 This table is based on Table R3 11 in the Residential ACM Approval Manual 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 9 MICROPAS7 Modeling an Existing Collect information from the plans and specifications about the building as originally Addition constructed up
123. pliance purposes due to its length and complexity Legal values Yes No Detailed NOTE Sizing Calculations Sizing calculations are required by the standards as part of the mandatory features The sizing summary produced by MICROPAS may be provided to the person responsible for equipment selection such as the mechanical contractor or installer who completes a CF 6R form The CF 6R form is an Installation Certificate and must be posted at the building site or made available to the building inspector and signed by the equipment installer prior to the final inspection See Chapter 4 of the Residential Manual for more information on the CF 6R form OTHER Specifies whether to print the input data with the run and how to format the data The input data is not required for a compliance submittal It is however very useful for checking and archiving compliance analyses Legal values Yes No or Unformatted NOTE Input Data Printout printout of the input data can be obtained without running the main MICROPAS calculations by using the Print Copy of Input option found on the OTHER Operations Menu available through the MAIN MENU Description Calculations and Reports cont Specifies whether the requested Table Reports are printed Table Reports are requested in the Table Reports Section of input The Table Reports are useful to see the detailed results of the MICROPAS simulation but are never appropriate for compliance s
124. rifications Sample Messages HERS REQUIRED VERIFICATION Items in this section require field testing and or verification by a certified home energy rater under the supervision of a CEC approved HERS provider using CEC approved testing and or verification methods and must be reported on the CF 4R installation certificate This building incorporates HERS verified Insulation Installation This building incorporates HERS verified Infiltration Target and Minimum CFM values measured at 50 pascals are shown in INFILTRATION TESTING DETAILS above If the measured CFM50h is above the target then corrective action must be taken to reduce the infiltration and then retest Alternatively the compliance calculations could be redone without infiltration testing If the measured CFM50h is below the minimum then the building must meet Uniform Mechanical Code requirements for unusally tight construction and corrective action must be taken to either intentionally increase infiltration or provide for mechanical supply ventilation adequate to maintain the residence at a pressure greater than 5 pascals relative to the outside average air pressure with other continuous ventilation fans operating This building incorporates HERS verified EER This building incorporates a HERS verified Refrigerant Charge test or a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary This building i
125. s the water heating distribution system For a complete description of distribution systems see Table 2 16 System Component Descriptions Distribution Systems Note that other than pre defined combinations only one distribution credit penalty system is allowed per water heating system If you are modeling multiple water heating systems each independent system may have its own distribution system The descriptions below indicate whether the distribution system yields a water heating credit or penalty Legal Values are ParallelPiping Credit Use for systems where each hot water draw point is served by a separate pipe from the water heater PipeInsulation Credit Used when R 4 or greater insulation is applied to 3 4 or larger non recirculating hot water mains This requirement is in addition to the mandatory pipe insulation first 5ft from the water heater on both hot and cold water pipes 2 9 2 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Input Data ENERGY FACTOR TANK VOLUME RATED INPUT BTU HR OR KW Chapter 2 INPUT REFERENCE Description Heater Boiler System cont Point of Use Credit Use this keyword for systems that have no more than 8 horizontal distance between the water heater and hot water fixtures laundry facilities may be located more than 8 feet from the water heater Recirc Demand Credit very small Used for a recirculation system
126. s water heaters Legal Values R 0 to no maximum Recovery or thermal efficiency of water heater This input applies to large storage gas indirect gas instantaneous tankless gas systems and to storage water heaters in a combined hydronic system For indirect gas systems use the AFUE rating for a boiler or the recovery efficiency of an instantaneous tankless heater Units Btu output Btu input fraction NOTE Recovery Efficiency The recovery efficiency percentage listed in some directories must be divided by 100 before entering into MICROPAS e g 78 0 100 0 78 Rated standby loss of tank This input only applies to large storage water heaters For other storage water heaters the standby loss is included in the Energy Factor Units standby load water heating load fraction NOTE Standby Loss The standby loss percentage listed in some directories must be divided by 100 before entering into MICROPAS e g 3 5 100 035 Solar or Woodstove Boiler Credit Credit for energy sources external to the water heating system is available through MICROPAS These sources are e Active Solar Systems includes mechanical pumps e Passive Solar Systems does not include mechanically operated pumps e Woodstove Boilers To allow credit for active solar systems a CEC approved version of the FCHART program must be run to determine the system performance Performance of the system is based on net solar fraction NSF which indi
127. se eee eee 3 19 Controlled Ventilation Crawlspace CM 3 22 DUNS eT 3 26 Adding to Appendix IV Lookup Tables sese 3 28 Editing Appendix IV EE 3 30 Exterior Mass Obs 3 32 Mass lnput Data EE 3 33 Opaque InputD Aa AA es 3 34 Insulated Mass Wala 3 34 Below Grade Surfaces eee eee eee 3 35 PT 3 35 ME a A 3 36 Gas Absorption Cooling EE 3 37 Cooling Syslems ur aa 3 37 O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 3 1 MICROPAS7 Overview Program Assumptions This chapter describes advanced compliance topics that may be useful after the user becomes familiar with the input values for the more common buildings as described in Chapter 2 Input Reference The CEC has fixed a number of modeling assumptions for the typical building analysis as well as for the special models described in this chapter These modeling assumptions are discussed in Appendix E Program Assumptions Building Types Overview HVAC Sizing Water Heating Multi family Housing For discussion purposes any building that has more than one dwelling unit apartment condominium duplex triplex etc is considered a multi family building Multi family buildings are specified by entering SingleAttached such as duplexes which share common walls but no common floors ceilings or MultiFamily for the input value BUILDING TYPE in the RUN FEATURES Section of input For compliance analysis it is the permit applicant s option to analyze the whole building or to
128. sed with instantaneous water heaters or with central systems in multi family buildings 09 15 2005 COMPLIANCE 2 8 5 MICROPAS7 Standard Design Water Heating Energy Use Multiple Water Heaters Multi Family Dwellings 2 8 6 COMPLIANCE The Standard Design water heating energy use varies by dwelling unit size and for multi family buildings by water heating type For single and multi family dwelling units MICROPAS will read the building square footage and the number of dwelling units from the ZONE Section When multi family water heating is provided by a central system the standard design will also be a central system More than one water heater may be installed in a single building This occurs frequently in large single family homes and in multi family dwellings Figure 2 46 below shows the inputs for a single building with two gas water heaters of the same make and model and with one single instantaneous water heater Figure 2 46 Multiple Water Heaters Example Input Data WATER HEATING SYSTEMS gt NUMBER OF WATER HEATING SYSTEMS WATER WATER 25 maximum 2 OF HYDRONIC HEATING HEATING HEATER BOILER HEATERS BOILERS RECIRC NAME TYPE SYSTEM NAME INSTALLED SYSTEM NAME 1 2 3 4 5 1 gt GAS 40GAL DEW GAS STOR 40 2 None 2 gt INSTANT HW DHW GAS INST 1 None HEATER BOILER SYSTEM GAS STOR 40 HEATER BOILER SYSTEM NAME TANK TYPE Storage Instantaneous HEATER ELEMENT TYPE Electric Gas HeatPump
129. solation Table Report Interior Shading sees eee devicetype d e dee daca Chea ce oe eech ee ec delt LE O standard Internal heat gain 0 eee AOS ee ee deet 2005 by Enercomp Inc CEC E D 7 Inter zone surfaces s s s 3 20 3 24 zonally controlled HVAC System sss esse 3 18 ZONE side H cid ted 3 21 zone side 2 2 3 21 Inter zone vent laten 3 20 Joint Appendices sees 1 13 Joint Appendix IN 1 2 Keyboard shortcuts nono nonnconconccn cons 2 5 Keyword input values conocio 2 5 Latent cooling Joad ini iiini D 5 Latitude Libraries COMO ita idad Ehe deed dree Zen 3 28 Linking opaque surfaces sees eee eee 2 25 Loads Table Report 2 106 IEN EE CA Log Wall o cemoiiiansiiinid sodio necio cian thdutbes cocenedd doa aiii 3 32 London ed den D 4 Mandatory features sss eee eee 1 12 Masonry ER 2 24 suspended slab foot 2 24 thermal mass Droperteg ee ee eee eee 2 59 wall 2 24 MaS Sironin arniarna cias darias see Thermal mass Mass Conditions Table Report 2 108 Mass input data Mass walls exterior INSULATION ee eee eee 3 34 interior insulation es see ee eee 3 33 3 35 CA ssvcocsecevcss se catcsndecdbessdscebeceunceseuteentes 3 34 solar 00 3 34 Maximum Size T 2 71 2 72 Mechanical ventilation with infiltration Control 2 17 MF IR sample E 4 25 submittal requirement s sese ee eee eee eee 4 3 MICROPAS rules for USO eee eee 1 11 SUP O OS OE 1 13 Multi family housing
130. specified vintage his building incorporates HERS verified Insulation Installation his building incorporates HERS verified Infiltration his building incorporates HERS verified EER his building incorporates a HERS verified Refrigerant Charge test or a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary This building incorporates a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary his building incor HERS verified Maximum Cooling Capacity his building incor HERS verified Fan Power his building incor Verified Adequate Air Flow and HERS verified duct design and layout his building incor verified Buried Ducts his building incor verified non standard Duct Location his building incor verified Duct Leakage his building incor verified Supply Duct Surface Areas his building incor verified Ducts in a Crawlspace or Basement Location These are the energy features of the building that require special notice MICROPAS automatically adds special feature comments when nonstandard devices or special modeling techniques are used in the compliance analysis O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 1 3 MICROPAS7 4 1 4 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc CF 1R HERS Required Verifications Figure 4 14 CF 1R HERS Required Ve
131. stics Assembly frame type Legal values Wood None Metal or Other Frame size 1f applicable For example 2x4 2x8 Leval values 2x4 2x6 2x8 2x10 2x12 or n a The on center space of framing For example 24 or 16 inches Legal value integer The rated R value of cavity insulation Legal value integer The rated R value of sheathing or rigid insulation Legal value integer The U factor or F factor from Appendix IV The Appendix IV Table number For example wood framed walls are in Table IV 9 The column letter and row number in which the appropriate U factor or F factor is found For example a 2x6 16 o c wood framed wall with R 19 cavity insulation and R 6 rigid insulation is found in cell D5 To include an assembly in a building under analysis the Appendix IV lookup name defined here in the library must be entered as the APPENDIC IV LOOKUP NAME within the OPAQUE CHARACTERISTICS Input Section of the building file see Figure 3 27 for an example COMPLIANCE 3 3 1 09 15 2005 MICROPAS7 Figure 3 27 Example Using Appendix IV Within OPAQUE CHARACTERISTICS Section gt NUMBER OF CHARACTERISTICS 50 maximum OPAQUE OPAQUE CAV SHEATH U VAL APP APPENDIX CHARAC SURFACE FRAME ITY ING OR IV LOOKUP TERISTIC TYPE TYPE R VAL R VAL F VAL LOOKUP dla 2 3 4 5 6 7 8 WALL R13 Wall n a n a n a n a Yes 13 2X4 WALL R15 Wall n a n a n a n a Yes 15 2X4 WALL R19 Wall n a n a n a n a Yes 19 2X6 WALL R
132. tcuts below to determine what effect credit penalty or neutral that feature has on determining the energy budget for the proposed construction Tags are used on names in the zone opaque glazing inter zone mass and water heating sections A sample of inputs with tags is shown in Figure 3 2 e Existing E or no tag Specifies existing features that describe the building as it is constructed before the addition and or alteration Used for existing features that will remain after all construction is complete or that will be altered as part of the construction If a feature is to be deleted as part of the construction use the D tag instead e Altered A Specifies features that are altered as part of the construction Altered features must be paired with a corresponding existing feature Input the existing feature first followed immediately next Zone or next line by the altered feature 3 6 COMPLIANCE MANUAL 09 15 2005 2005 by Enercomp Inc e Deleted D Chapter 3 ADVANCED TOPICS Specifies existing features that are deleted as part of the addition and or alteration When a wall or window for example will be removed include the surface with a D after the name s New UN Specifies features that are new added as part of the addition or alteration NOTE Altered Features It is essential that the use of A for a building feature immediately follows a line or zone of the same name If it does not have the s
133. that does not receive direct space heating or cooling but is thermally influenced more by the conditioned space than by outdoor conditions Common examples of this are enclosed entries utility rooms and closets The floor area of indirectly conditioned spaces must be included in the conditioned floor area total entered here in the ZONE Section See definition of Indirectly Conditioned Spaces in the Building Energy Efficiency Standards Joint Appendix I for details on how to determine if a space is indirectly conditioned The thermal effects of unconditioned spaces adjoining conditioned space such as a garage crawlspace or sunspace are typically modeled one of two ways 1 By adjusting the solar gains U factor or slab edge see OPAQUE SURFACES Section for more information 2 By modeling the attached space as a separate zone see Chapter 3 Advanced Topics for more information A reduction credit of 0 50 Specific Leakage Area SLA is applied if an air retarding wrap e g housewrap is installed and diagnostic infiltration testing credit is not claimed To qualify for the housewrap compliance credit the proposed housewrap must be tested and labeled by the manufacturer to comply with ASTM E1677 95 Standard Specification for an Air Retarder AR Material or System for Low Rise Framed Building Walls and have a minimum perm rating of 10 The housewrap must be installed per the manufacturer s specifications See the Residential Manu
134. that uses brief pump operation to recirculate hot water to fixtures just prior to hot water use Recirc NoControl Penalty Used for systems that use a pump to recirculate hot water to branch piping through a looped hot water main with no control of the pump such that water flow is continuous Recirc Temp Penalty small Used for a recirculation system that uses temperature controls to cycle pump operation to maintain recirculated water temperatures within certain limits Recirc TimeTemp Credit small Used for a recirculation system that uses both temperature and timer controls to regulate pump control Recirc Timer Penalty Used for a recirculation system that uses a timer control to cycle pump operation based on time of day Standard No Credit or Penalty Used for standard water heating systems without any pumps for distributing hot water and mandatory pipe insulation including 3 4 hot water pipes from water heater to kitchen insulated with 1 of insulation StandardNolnsul Penalty Used for standard pipe insulation with no insulation on kitchen water pipes N A No Credit or Penalty Use this value when describing the space heating side of a separate hydronic system The energy factor ratio of energy output to energy consumption for a water heater This value can be found in CEC approved water heater directories or the CEC appliance database The CEC standard 50 gallon water heater has an approximate energy factor
135. ts to the HVAC contractor and let them select the actual equipment Multiple Zone Regardless of how the building is modeled for compliance purposes a building with more Buildings than one HVAC system more than one conditioned building zone should have HVAC sizing calculations performed on a zone by zone basis for proper design of the HVAC system Multi Family For compliance purposes the entire multi family building is generally modeled as a single Buildings building zone For sizing it is appropriate to determine the loads on a unit by unit basis This can be done by zoning the building unit by unit or creating a different input file for each type of unit in the building NOTE HVAC Sizing in Multi Family Buildings Different units with the same floor plan can have widely varying design loads depending on their orientation and their placement within the building End units on the top floor usually have the highest loads interior units on the middle floor usually have the lowest loads Sizing multi family buildings for the worst case can provide quick results but may end up costing the builder more for equipment that is unnecessarily large for some of the units Requirements For HVAC Sizing When Is HVAC Sizing The Mandatory Measures in the Standards require the design heat loss rate and design heat Needed gain rate be determined by an acceptable method ASHRAE MICROPAS performs approved load calculations with its HVAC Sizing These si
136. ubmittals If the keyword Delimited is selected MICROPAS will output the file in a comma delimited format This format allows the file to be read by spreadsheet programs and enables the output to be converted into a graph or chart Legal values Yes No Delimited NOTE Table Reports The PRINT TABLE REPORTS value must be set to Yes or Delimited before MICROPAS will display the Table Reports Section of data for you to edit the MISCELLANEOUS menu will appear under the MICROPAS EDIT MENU when Yes or Delimited is selected 2 1 4 COMPLIANCE 09 15 2005 O 2005 by Enercomp Inc Chapter 2 INPUT REFERENCE STANDARD DESIGN Specifies whether the input data for the Standard Design energy use is saved on disk Note INPUT DATA that the Standard Design building is created internally by MICROPAS If saved the file name extension is CBx x current version number The Standard Design input file can converted to a regular Micropas file MPx using the CONVERT INPUT FILES feature found under OTHER OPERATIONS Since the Proposed Design is compared to the Standard Design the printout of the Standard Design input file may be useful in figuring out how to bring difficult buildings into compliance Legal values Save or NoSave Figure 2 7 Zone Input Data 1 gt ZONE NAME 2 gt CONDITIONED Yes 3 gt ZONE TYPE 4 gt FLOOR AREA sf 5 gt VOLUME cuft 6 gt NUMBER OF DWELLING UNITS CREDITS 7 gt HOUSEWRAP VERIFIED
137. uel Utilization Efficiency AFUE eee 2 66 Appendix IV lookup table eee 3 28 Appendix IV lookup tables eee eee eee 2 31 ASHRAE vatten ra 2 10 Publication orderg corona canoncnn caen 1 14 O 2005 by Enercomp Inc 03 01 2005 Basements ccs scsssssecivecaaeccvecs secevecacscbecs de ebe ees 2 23 3 35 Below grade wall 2 23 2 32 3 35 Inside insulated see 3 36 linking to opaque Surface 3 35 MAS PUS cocoa lao 3 36 Outside insulated ses 3 35 therimal Mass eege Eed Blowerdoor testing ET minimum efficiency eee ee eee 2 66 Bug screens vecinos gE NOZ deg dsd gross i 2 40 2 50 2 51 Building AA ii a 3 4 features libraries Building envelope leakage blower door testing sees eee eee ee ee eee 2 17 continuous venplanon eee ee eee 2 17 mechanical ventilation sees eee e eee 2 17 2 81 TOUCH 2 covccesacstcendesctees du sc ecese iins ccesddvaesecehcens Calculations and Reports Cardinal orientations s areae aE EE ER Cavity insulation ooooonocnicnnonccnnonccononononncononononncnnccononnnononnono CEC default fenestration U factors sees 2 37 CEC Fixed Values Program Assumptions fixed input values sss eee eee eee HVAC sizing zone heat CapacHts see eee A ken CEG mailing Lists ccoo dicta inicias ESTIMEN ere EE Certified equipment air leakage credit AUT E Een tr EE building zone information sese esse eee cardinal orientation summary Compliance Statement COOL TOO BE EEE 4 7 COMPLIANCE N D EX
138. ussed in Chapter 3 Advanced Topics Product literature Manufacturer s product literature is needed to document any special input values used such as R values of insulation products glazing U factors and solar heat gain coefficients etc Energy Specifications On The Plans Upon completion of the MICROPAS compliance analysis the energy related specifications on the building plans need to be updated to include the items listed in Table 4 3 Table 4 3 Energy Specifications Required on Plans Documentation Comment CF 1R A signed CF 1R must be on the plans so that the field inspector and the subsequent owners know the energy specifications of the building mandatory features Although the MF 1R is not required to be on the plans notes on the plans must establish compliance with the mandatory features other specifications All energy features modeled must be shown on the building plans i e noted on the floor plans on sections in window schedules etc as appropriate O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 3 MICROPAS7 Signature Requirements HVAC Sizing Communicating With Clients Compliance Comments Other Documentation The CF 1R must be signed by the building designer or building owner and the preparer of the compliance documentation also known as the documentation author There are no licensing requirements for the documentation author to prepare these documents The Mandatory Measures in the
139. ussion in this section is for a single family dwelling Eligibility and There are unique CEC eligibility and installation requirements that must be met in order to Installation Criteria use this modeling technique A key requirement is a maximum non closeable opening between the two zones of 40 square feet This requirement is to limit the amount of air migrating from the conditioned zone into the unconditioned zone All of the requirements are described in detail in Chapter 8 of the Residential Manual Example Input File An example input data file for a zonally controlled HVAC system is provided as part of MICROPAS with the file name MP7ZONAL Input Data For Zonally Controlled HVAC Systems Defining the Zones The zonally controlled HVAC system is modeled by dividing the building into two types of zones living and sleeping regardless of how many zones the actual system is serving The Living Zone is the area that is normally occupied during waking hours It includes the kitchen den living room and dining room The Sleeping Zone includes bedrooms Hallways bathrooms pantries and laundry rooms which are either non habitable or indirectly conditioned space can be included in either zone depending on their location In most cases there is only one Living and one Sleeping Zone In larger houses however there may be multiple HVAC systems each serving one of several zones all of which are defined as either a Living or Sleeping Zone MIC
140. ved testing and or verification methods and must be reported on the CF 4R installation certificate This building incorporates a HERS verified Refrigerant Charge test or a HERS verified Thermostatic Expansion Valve TXV If a cooling system is not installed then HERS verification is not necessary This building incorporates HERS verified Duct Leakage Target leakage is calculated and documented on the CF 4R If the measured CFM is above the target then corrective action must be taken to reduce the duct leakage and then must be retested Alternatively the compliance calculations could be redone without duct testing If ducts are not installed then HERS verification is not necessary O 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 4 2 3 MICROPAS7 Figure 4 27 cont d CF 1R Report CERTIFICATE OF COMPLIANCE RESIDENTIAL COMPUTER METHOD CF 1R Page 4 Project Title Sample Micropas Run Date 09 15 05 09 28 15 MICROPAS7 v7 10 File MP7BASE Wth CTZ12S05 Program FORM CF 1R User MP0101 User Enercomp Inc Run Sample REMARKS COMPLIANCE STATEMENT This certificate of compliance lists the building features and performance specifications needed to comply with Title 24 Parts 1 and 6 of the California Code of Regulations and the administrative regulations to implement them This certificate has been signed by the individual with overall design responsibility DESIGNER or OWNER DOCUMENTATION AUTHOR Name Arthur Do
141. xisting N for new added D for deleted or A for altered in many sections of the input file New editor commands using the Alt key have been added to make it easier to enter tags Compliance documentation requires only a single CF IR that documents the building both before and after construction at NOTE Wall Insulation Wall insulation for new structures must be at least R 13 However if an existing insulated wall has R 11 insulation the energy standards allow an exception to the R 13 mandatory requirement as long as the overall structure complies with the energy budget Model any existing R 11 walls as R 11 NOTE Skylights Greenhouse Windows If a dual glazed greenhouse window which adds volume but not floor area to a building or skylight is installed in an addition it can be modeled with the following U factor Climate Zones U value 1 2 10 11 12 13 14 15 0 57 3 4 5 6 7 8 9 0 67 16 0 55 Whole Building Method With this approach model the entire building including the existing and added or altered portions as though it were a new house This is sometimes useful in situations where the home is being completely rebuilt such as after a fire or on tear downs but requires that the entire home meet the current standard The building must have a compliance margin of 0 or positive The building must also meet the current mandatory features Additions and Alterations Alone Method The simplest method for showing energy compl
142. y Stove Stove System Fraction Included Boiler Pump 1 Storage n a n a Water Heating System Credits printout will appear on CF IR reports when Solar or Woodstove is selected in the HEATER BOILER section of WATER HEATING 4 1 6 COMPLIANCE MANUAL 09 15 2005 O 2005 by Enercomp Inc Chapter 4 REPORT DESCRIPTIONS CF 1R Water Heating System Details Figure 4 19 CF 1R Water Heating Details WATER HEATING SYSTEMS DETAIL Standby Internal Tank Recovery Rated Loss Insulation System Efficiency Input Fraction R value 1 Large 77 n a 03 R n a The Water Heating Systems Detail section will appear when non standard or unusual water heating hydronic systems are selected the example above is for an instantaneous boiler water heating system CF 1R Hydronic Piping and Space Heating Figure 4 20 CF IR Hydronic Piping and Space Heating HYDRONIC PIPING AND SPACE HEATING DETAIL Pump Pipe Pipe Insulation Insulation Hydronic Hydronic Energy Length Diameter Thickness Conductivity System Type Delivery Watts ft in in Btu Hr ft F 1 Instantan Combined Radiant n a 10 0 5 D 15 0 023 The Hydronic Piping and Space Heating section will appear when a combined hydronic or separate hydronic heating system is modeled CF 1R Inter zone Surfaces Figure 4 21 CF 1R Inter Zone Surfaces INTER ZONE SURFACES Appendix Area Insul IV Surface sf U factor R val Reference Location Comments LIVING SLEEPING
143. y lossere arie EEA system input data SYSTEM NAME inerea ear esiin tank insulation see eee eee eee tank Lee eege Eeer tank It woodstove boiler credit sse NAAA active solar active solar system credit auxiliary inputs A A RA A Seto DU T iii dins Gallais cocine Ze rod STs central water heating swsgtem eee eee 2 87 combination types in multi family eee eee 2 87 combined hydronic System sese eee eee 2 89 distribution system CNET LY USE eheann E pae e ESE AN A AEE raa ARES equipment specifications see ee eee e eee 2 84 WY TTT 2 88 2 89 2 95 hydronic distribution system sse eee eee eee ee 2 93 hydronic space heating system name 2 89 ele EE 2 83 input E 2 82 ESTO 2 91 instantaneous 2 83 laf pennone noni dknd ins ds veg ideer 2 83 multi family seesinane anaiei 2 86 GU tr EE 2 86 DAM EE 2 89 new federal standard 1 3 parallel piping nono nonncnnocononnnons 2 85 Passive solar eee 2 84 passive solar systems Credit 2 94 pipe insulation sese eee eee 2 85 Pont OF USS iii dad ci AE 2 85 NS EE 2 85 related components sss sese eee eee 2 83 required specifications by pe 2 91 solar woodstove credits Standard sese standard distribution system 2005 by Enercomp Inc Weather data file name full year reduced year What to submit Wind Correction Factors sees Winter design temperature ground temperature O 2005 by Enerco
144. zing calculations may be supplied to the person responsible for equipment selection such as the mechanical contractor or installer That individual is required to provide Form CF 6R an Installation Certificate which must be posted at the building site or provided to the inspector prior to final inspection The CF 6R is not required for permit submittal This form is intended to insure that installed equipment meets the efficiency requirements of the compliance documentation It may also serve to demonstrate compliance with the UBC requirement that the heating system be capable of maintaining 70 degrees at a height three above the floor throughout the conditioned space of the building See the Residential Manual Chapter 4 for more information 2005 by Enercomp Inc 09 15 2005 COMPLIANCE 2 1 1 MICROPAS7 Fixed Input Values Maximum Equipment Size Where to Get Additional Sizing Location Data Input Data SIZING LOCATION The CEC requires that the calculations be based on an ASHRAE methodology as used with MICROPAS and that many of the input parameters be set to specific values For example the CEC specifies that indoor design temperatures be 70 degrees F in winter and 75 degrees F in summer The CEC does not set a limit on the maximum gas furnace size or cooling equipment capacity However there is a credit available for HERS verified maximum cooling capacity See CO

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