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<br />.ADDITIONAL TABLES
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<br />HCM
<br />HCM
<br />AFUE
<br />HCM
<br />HCM
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<br />LP Gas
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<br />CLIMATE ZONE!; 4 5 6
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<br />6A.2(l AIR DISTRIBUTION SYSTEM CREDIT MULTIPLIERS
<br />TYPE CREDIT Prescriptive requirements Multiplier
<br />AirtightDuct aedn 610.1.A.1 1.00
<br />Facto -sealed AHU credit 610.2.A.2.1 0.95
<br />1Duct 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 6A.7) or winter (Table 6A.16) AHU multiplier,
<br />Insert total in the "AS-Built AHU" box on page 2 or 4,
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<br />.68-.72
<br />,61
<br />,77
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<br />93 & Up__
<br />.44
<br />.57
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<br />,88-.92
<br />.47
<br />.60
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<br />6A-22 HOT WATER MULTIPLIERS (HWMl
<br />SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MULTIPLIERS (HWMl
<br />Electric Resistance EF 80-,81 ,82-.83 .84-.85 ,00-,87 ,88'.90 .91,,93 ,94..96 .97 & Uo
<br /> HWM 2820 2752 2685 2624 2564 2479 2400 2326
<br />Natural 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 1.0-1.49 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,O-Up
<br />System with Tank HWM 2256 1504 1128 902 752 645 564 501 451 -- ~--
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<br />6A-23 HOT WATER CREDIT MULTIPLIERS {HWCMl
<br /> SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS {HWCMl
<br /> With Air Conditioner -------
<br />Heat Recovery Unit Heat PUmll.__ _~ .____~,~_
<br /> HWCM .84 .78 .-----
<br />~ Dedicated Heat Pump EF 2,0.2.49 2.5-2,99 3,0.3.49 I 3,5 & Uo
<br />(without tank) HWCM .44 .35 .29 I ,25
<br /> I ' f=------~
<br />Add-on Solar Water Heater EF 1.0-1.9 2,0.2.9 3.0-3,9 4,0-4.9 _. 5.0 & Uo .
<br />(without tank) HWCM ,84 .42 ,28 I .21 ,17
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<br />6A-24 INFILTRATION REDUCTION COMPLIANCE CHECKLIST
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<br />NOTE: A HWM must be used in conjunction with al/ HWCM, See Table 6M2. EF Means Energy Factor,
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<br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK
<br />Exterior Windows & Doors 606.1.ABC.1.1 Max: .3 cfmlsq.ft, window area; ,5 elm/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 & toplbottom 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 to the too olate,
<br />Floors 606.1.ABC.1.2.2 Penetrations/openings> 1/8" 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.1.2,3 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 & top plate;
<br /> attic access. EXCEPTION: Frame ceilings where a continuous infiltration barrier is
<br /> installed that is sealed at the perimeter, at penetrations and seams,
<br />Recessed Lighting Fixtures 606,1.ABC,1.2.4 Type IC rated with no penetrations, sealed; or Type IC or non-IC rated, installed inside a
<br /> sealed box with 1/2" clearance & 3" from insulation; or Type IC rated with <2,0 elm from
<br /> condijioned soace tested.
<br />Multi-story Houses 606.1.ABC.1,2.5 Air barrier on perimeter of floor cavity between floors,
<br />Additional Infiltration reqts 606.1 ,ABC. 1 ,3 Exhaust fans vented to outdoors, dampers; combustion space heaters comply with NFPA,
<br /> have combustion air,
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<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 efficiency requirements in Table 6-12, Switch or clearly marked circuit breaker (electric)
<br />or cutoff must be revided. External or built-in heat tr r uired for vertical i risers.
<br />Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated), Non-commercial pools must have a pump timer. Gas spa
<br />& heaters must have a minimum thermal efficienc of 78%,
<br />Shower Heads 612.1 Water flow must be restricted to no more than 2,5 a1lons r 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 />HVAC Controls 607,1 rate readil accessible manual or automatic thermostat for each s stem.
<br />Insulation 604.1, 602.1 Ceilin in. R-19. Common walls-Frame R-11 or CBS R-3 both sides, Common ceilin & floors R.11.
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<br />Effective date: March 1, 2003
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