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AJUII IUNAL I ADLC;) ^ 6A 1(1 HEATING CREDIT MULTlPUERS (HCM) I..I..IIIA II: ~/;.. - ..--- SYSTEM TYPE. ---- -.--- .--- -" - --- --------_... ..-..- HEATING CREDIT MULTlPUERS (HeM) .---.- . . ---'~ AttiC RadIant Ba,rne~ HCM --- .---- -.-- ---.-- .95 Mullizone HeM ---~-- AFUE .68-.72 .73-.n .78-,82 .83-.87 .88-.92 ~~& Natural Gas HCM .61 .56 ,53 .50 .47 ,4., -Cpo Gas' ---- HeM n 72 ,F.7 63 AA , ":<;. , .. 6A-19 COOLING CREDIT MUL TlPUERS CCIII SYSTEM TYPE COOUNG CREDIT MULTlPUERS ICCMI Ceilif)gf~ns .86- Cross Venlilalion .95- -Credit may be taken lor only ..__n_,__ _ ____n .95- Whole House Fan one 01 these system types concurrently. Mulllzone .95 Aitic Radiant R;-r.;;'r - Qo; SYSTEMn'P.E. ,_ Heat Recove~ Unit Dedicated Heat Pump j 3~, Heat Pump r 5.0::UI .1L,. Solar ._~ 28 A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM, SEE TABLE 6A.9, EF MEANS ENERGY FACTOR. 6A.21 INFILTRATION REDUCTION PRACTICE COIIPLlANCE CHECKUST ISEE SECTION 6061 COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE C PRACTICE .1 606,1 COMPLY WITH ALL INFilTRATION PRESCRIPTIVES. . . ---~--- -. Maximum of 0,34 CFM per linear. loot of operable sash crack (includes slidino olass doorS[ Windows - .---- Exlenor & Adjacent Doors Maximum 01 0.5 CFM oer so. ft. 01 door area' solid core wood Danel insulated or olass doors onlv, -. - --'" - ----~- To be caulked aasketed weatherstriooed or otherwise sealed. f xhmor JOints & Cracks _. PRACTICE .2 606.1 COMPLY WITH #1 AND THE FOllOWING: Extenor Walls and Floors Top plate penetrations sealed. Inliltration barrier installed. Sole olatelfloor ioint caulked or sealed. - Exterior Walls & Ceilinas Penetrations ioints and cracks on interior surface caulked sealed or aasketed. Ductwork Ductwork in unconditioned soace must be sealed. Flreolaces EauipPed with outside combustion air doors and flue damoers. _Exhaust Fans Eauiooed with damoers. Combustion devices see 606.1.A.2 PRACTICE .3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: . Cellinas Infiltration barrier installed. Interior Walls Too oenetrations sealed or ioints & cracks on interior walls caulked sealed or aasketed. Recessed Liahts Sealed from conditioned & insulated from ventilated attic soaces. Ductwork All ductwork located in conditioned soace. Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust by-products to outside. Combustion cooking appliances see section 606.1.A.3 6A-22 OTHER PRESCRIPTIVE MEASURES {must be met or exceeded bv all reaidencea.1 COMPONENTS SECnON REQUIREMENTS C Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) -- or cutoff laas! must be orovided. External or built-in heat trao reauired. SWimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a pump timer. Gas soa & 0001 heaters must have a minimum thermal efficiencv of 78%. Shower Heads 612,1 Water flow must be restricted to no more than 3 Qallons per minute at 80 PSIG. Air Distribution System 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned attics must be insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in mechanical closet. .. t:jv Af.fgntrols 607,1 Seoarate readilv accessible manual or automatic thermostat for each system. Insulalion 604.1, 602,1 CeilinQs-Min. R-19. Common walls-Frame R-ll or CBS R-3 both sides. Common ceilina & floors R.ll, -6-