Laserfiche WebLink
<br />ADDITIONAL TABLES <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A-18 HEATING CREDIT MULTIPLIERS (HCM) <br /> SYSTEM TYPE HEATING CREDIT MULTIPLIERS (HCM) <br />Attic Radiant Barrier HCM ,98 <br />Multizone HCM ,95 <br /> AFUE ,68-,72 ,73-.77 ,78-,82 ,83-,87 ,88-,92 ,93 & Uo <br />Natural Gas 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 />Ceilinq Fans ,86' <br />Cross Ventilation ,95' 'Credit may be taken for only <br />Whole House Fan ,95' one of these system types concurrently, <br />Multizone ,95 <br />Attic Radiant Barrier ,95 <br /> <br /> <br />Dedicated Heat Pump <br /> <br /> <br />Heat Recovery Unit <br /> <br />Solar <br /> <br />A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM. SEE TABLE 6A-S. 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 (includes 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 olate/floor 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 />Fireplaces 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 nenetrations sealed or ioints & cracks an interior walls caulked sealed or nasketed. <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 pump 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 aallons 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 61 0, 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 />HV AC 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 />