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<br />. . , <br /> <br />ADDITIONAL TABLES <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A-18 HEATING CREDIT MULTIPLIERS (HCM) <br />SYSTEM TYPE HEATING CREDIT MULTIPLlERSCHCMT <br />Attic Radiant Barrier HCM .98 <br />Multizone HCM .95 <br />Natural Gas AFUE ,68-,72 ,73-.77 ,78-.82 ,83-.87 ,88-.92 ,93 & Uo <br /> HCM ,61 .56 ,53 ,50 ,47 ,44 <br />LP Gas HCM .77 ,72 ,67 ,63 .60 .57 <br /> <br />6A-19 COOLING CREDIT MULTIPLIERS CCM) <br />SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCM) <br />Ceilina Fans ,86' <br />Cross Ventilation ,95' 'Credit may be taken for only <br />Whole House Fan .95' <br />Multizone .95 one of these system types concu rrently. <br />Attic Radiant Barrier .95 <br /> <br /> <br />Heat Recovery Unit <br /> <br /> <br />Dedicated Heat Pump <br /> <br />Solar <br /> <br />A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM, SEE TABLE 6A-9, EF MEANS ENERGY FACTOR. <br /> <br />6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST (SEE SECTION 606) <br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK <br />PRACTICE #1 606.1 COMPLY WITH ALL INFILTRATION PRESCRIPTIVES. <br />Windows Maximum of 0.34 CFM per linear foot of operable sash crack lincludes slidina alass doors). <br />Exterior & Adiacent Doors Maximum of 0.5 CFM per sa, ft. of door area; solid core wood oanel, insulated or alass doors onlv. <br />Exterior Joints & Cracks To be caulked aasketed weatherstriooed or otherwise sealed. <br />PRACTICE #2 606,1 COMPLY WITH #1 AND THE FOLLOWING: <br />Exterior Walls and Floors Too olate oenetrations sealed, Infiltration barrier installed. Sole olatelfloor ioint caulked or sealed. <br />Exterior Walls & Ceilinas Penetrations ioints and cracks on interior surface caulked, sealed or aasketed. <br />Ductwork Ductwork in unconditioned soace must be sealed. <br />Fireolaces Eauiooed with outside combustion air. doors, and flue damoers. <br />Exhaust Fans Eauiooed with damoers. Combustion devices see 606,1.A.2 <br />PRACTICE #3 606,1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOLLOWING: <br />Ceilinas Infiltration barrier installed. <br />Interior Walls Too oenetrations sealed or ioints & cracks on interior walls caulked sealed or aasketed. <br />Recessed Liahts Sealed from conditioned & insulated from ventilated attic soaces. <br />Ductwork All ductwork located in conditioned space. <br />Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust <br /> by-products to outside, Combustion cooking appliances see section 606.1.A.3 <br /> <br />6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded bv all residences.) <br />COMPONENTS SECTION REQUIREMENTS CHECK <br />Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) <br /> or cutoff (aas) must be provided. External or built-in heat trao reauired, <br />Swimming Pools & Spas 612,1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have <br /> a Dump timer. Gas spa & pool heaters must have a minimum thermal efficiencv of 78%. <br />Shower Heads 612.1 Water flow must be restricted to no more than 3 qallons oer minute at 80 PSIG. <br />Air Distribution System 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 <br /> attics must be insulated to a minimum of R-6, Air handlers shall not be installed in attics unless in <br /> mechanical closet. <br />HVAC Controls 607,1 Seoarate readilv accessible manual or automatic thermostat for each svstem. <br />Insulation 604.1, 602,1 Ceilinas-Min, R-19, Common walls-Frame R-11 or CBS R-3 both sides. Common ceilina & floors R-11. <br /> <br />,6, <br />