|
<br />...-....:.;...,._..
<br />
<br />ADDitiONAL TABLES
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />
<br />6MO AIR DISTRIBUTION SYSTEM CREDIT MULTIPLIERS
<br />PE CREDIT Prescriptive requirements Multiplier
<br />. AirtightDuctcredil 610.1.Al 1.00
<br />Facto -sealed AHU credi 610,2.A2.1 0.95
<br />1 Duct Sealing Multiplier (DSM) shall be 1.15 (summer) or 1.16 (winter) unless Airtight Duct credit is
<br />demonstrated by test report.
<br />2Multiply Factory-sealed AHU credit by summer (Table 6.+7) or winter (Table 6A-16) AHU multiplier.
<br />Insert total in the "AS-Buil1 AHU" box on page 2 or 4.
<br />
<br />,
<br />
<br />6A-21 HEATING CREDIT MULTlPUERS (HCM)
<br />
<br />SYSTEM TYPE HEATING CREDIT MULTlPUERS (HCM)
<br />PrOQrammable Thermostat HCM .95
<br />Multizone HCM .95
<br />Natural Gas AFUE ,68-,72 I .73-.77 I ,76-,82 I ,83-,87 I .88-,92 I ,93& Up
<br />HCM .61 I .56 I .53 I .50 I .47 I ,44
<br />LP Gas HCM ,77 I .72 I ,67 I ,63 I .60 I .57
<br />
<br />6A-22 HOT WATER MUL TlPUERS (HWMl
<br />SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MULTlPUERS (HWM
<br />Electric Resistance EF ,80-,81 .82-.83 ,84- .85 ,86-.87 .88-,90 ,91-.93 .94-.96 .97 & Uo
<br />HWM 2820 2752 2685 2624 2564 2479 2400 2326
<br />Natu ral Gas EF .43-.47 .48-.49 .50-.51 .52-.53 ,54-.55 ,56-.57 .58-.59 ,60-.61 .62-.63 .64-.65 ,66 & Uo
<br />HWM 2162 1936 1859 1787 1721 1660 1602 1549 1499 1452 1408
<br />LP Gas HWM 2645 2368 2274 2186 2106 2031 1960 1895 1834 1776 1722
<br />Oed. HP or Solar EF 100-1.49 1.5-1.99 2,0-2.49 2,5-2.99 3,0-3.49 3.5-3.99 4.0-4.49 4.5-4.99 5.D-Up
<br />System with Tank HWM 2256 1504 1128 902 752 645 564 501 451
<br />
<br />6A-23 HOT WATER CREDIT MULTIPLIERS IHWCM\
<br /> SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS IHWCMl
<br />Heat Recovery Unit With Air Conditioner i Heat Pump
<br />HWCM ,84 i .7S
<br />AdeJ.{m Dedicated Heat Pump ~- 2.0-2.49 2.5-2.99 3.0,]49 I 3.5 & Uo
<br />(without tank) HWCM .44 .35 .29 I .25
<br />Add-an Solar Water Heater EF 1.0-1.9 2.0-2.9 3.0,3,9 I 4.D-4.9 I 5.0 & Uo
<br />(without tank) HWCM .84 .42 .28 I 21 I .1'1
<br />
<br />NOTE: A HWM must be used in conjunction with all HWCM. See Table 6A.22, EF Means Energy Factor, .
<br />
<br />6A-24 INFILTRATION REDUCTION COMPLIANCE CHECKLIST
<br />
<br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK
<br />Exterior Windows & Doors 606.1.ASC .1.1 Max: .3 ctm/sq.ft window area; .5 cfm/sq.ft door area.
<br />Exterior & Adjacent Walls 606,1 ,ABC, 1.2.1 Caulk, gasket, weatherstrip or seal between: windows/doors & frames, surrounding wall;
<br /> foundation & wall sole or sill plate; joints between exterior wall panels at corners; utility
<br /> penetrations; between wall panels & lop/boltom plates; between walls & floor.
<br /> EXCEPTION: Frame walls where a continuous infiltration barrier Is installed that extends
<br /> from, and is sealed to, the foundation 10 the top plate,
<br />Floors 606.1.ASC,1.2,2 Penetrations/openings> liS" sealed unless backed by truss or joint members,
<br /> EXCEPTION: Frame floors where a continuous infiltration barrier is installed that is sealed
<br /> to the perimeter, penetrations and seams.
<br />Ceilings 606.1,ABC.l.2,3 Seal: Between walls & ceilings; penetrations of ceiling plane of top floor; around shafts, chases,
<br /> soffits, chimneys, cabinets sealed to continuous air barrier; gaps in gyp board & lOp plate;
<br /> attic access, EXCEPTION: Frame ceilings where a continuous infiltration barrier is
<br /> installed lhat is sealed af the perimeter, at penefrations and seams.
<br />Recessed Ughting Fixtures 606.1.ASC,1.2,4 Type IC rated with no penetrations, sealed; or Type IC or non-IC rated, installed inside a
<br /> sealed box with 112" clearance & 3" from insulation; or Type IC rated with <2.0 ctm from
<br /> conditioned soace tested. .
<br />Multi-story Houses 606.1.ABC.12.5 Air barrier on perimeter of floor cavity between floors. I
<br />Additional Infiltration req1s 606.1.ABC.1.3 Exhaust fans vented to outdoors, dampers; combustion space heaters comply with NFP A,
<br /> have combustion air.
<br />
<br />6A-25 OTHER PRESCRIPTIVE MEASURES must be met or exceeded b all residences.
<br />COMPONENTS SECTION REQUIREMENTS CHECK
<br />Water Heaters 612.1 Comply with eflicjency requirements in Table 6-12. Switch or clear1y marked circuit breaker (electric)
<br />or cutoff as' must be rovided. External or built-in heat ired far vertical ' e risers.
<br />Swimming Pools & Spas' 612.1 Spas & heated pools must have covers (except solarheated). Non-commercial pools must have a pump timer. Gas spa
<br />& I heaters must have a minimum thermal eflicje ot 78%.
<br />Shower Heads 612.1 Water flow must be restricted to no mare than 2.5 allons er minute at 80 PSIG.
<br />Air Distribution Systems 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached,
<br />sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned attics: R-6 minimum
<br />insulation;'-
<br />HV AC Controls 607.1 Se arate readi accessible manual or. automatic thermostat for each stem.
<br />Insulation 604.1,602.1 Ceilings-Min. R-19. Common walls-Frame R-l1 or cas R-3 both sides. Common ceiling & floors R-l1.
<br />
<br />Effective date: March 1, 2003
<br />
|