<br />91 HEATING SYSTEM MULTIPLIERS (HSM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br /> -
<br />SYSTEM TYPE -/ HEATING SYSTEM MULTIPLIERS
<br /> COP 2,5 - 2.69 I 2,7 - 2,89 1 2,9 - 3,09 I 3,1 - 3,29 I 3,3 - 3.49 I 3,5 . 3.69 I 3.7 - Uo
<br />Heat Pump HSM ,54 I .:'>0 .. 1 .47 I .44 I ,41 I .39 I ,37
<br />Electric Strio HSM 1,0
<br />Gas & Other Fuels HSM 1,0 (See Table 9J for Credit Multioliersl
<br />PTHP HSM HSM for COP 2,2 - 2.49 - ,63, See above for COP :::::',2.49,
<br /> Minimums: Central Units 2.7 COP. PTHP 2,2 COP,
<br /> COP means Coefficient of Performance.
<br />
<br />9J HEATING CREDIT MULTIPLIERS (HCM)
<br />
<br />SYSTEM TYPE HEATING SYSTEM MULTIPLIERS
<br />Attic Radiant Barrier HCM ,98
<br />Multizone HCM .90
<br />Natural Gas AFUE .60 - .64 .65 - .69 .70 - .74 .75. .79 80 - .84 .85 - .89 .90 - Un
<br />HCM .44 ,41 .38 .35 .33 ,31 .30
<br />Other Fuels HCM .69 .63 .59 .55 .51 .48 .46
<br />Where more than one credit is claimed, multiply HCM's together. Enter product on page 4,
<br /> AFUE means Annual Fuel Utilization Efficiencv,
<br />
<br />9K COOLING SYSTEM MULTIPLIERS (CSM)
<br />
<br />SYSTEM TYPE 7" COOLING SYSTEM MULTIPLIERS
<br /> SEER 7.8- I 8'1i- T 8.5- I 90- 9,5- 10.0- 10.5- 11,0- 11.5- 12,0-
<br />Central Units 7.9 8.4 8.9 9.4 9,9 10.4 10,9 11.4 11,9 & Uo
<br /> CSM .44 I .43 I .40 I .38 .36 ,34 ,32 ,31 ,30 .28
<br />PTAC & Room Unit CSM CSM for EER 7.5 - 7.7 = .46. For EER's >.77 use multipliers above,
<br />Minimums: Central Units 7.8 SEER, Room Units 7.5 EER. PTAC under 13,000 BTUlH 7,5 EER, and over 13,000 BTUlH 7,0 EER.
<br /> SEER means Seasonal Enerav Efficiencv Ratio. EER means Energy Efficiency Ratio.
<br />
<br />9L COOLING CREDIT MULTIPLIERS (CCM)
<br />Y TEM TYPE
<br />
<br />CREDIT MULTIPLlE
<br />.86
<br />.90
<br />.95
<br />
<br />
<br />
<br />Where more than one credit is claimed, multi I
<br />
<br />
<br />9M HOT WATER MULTIPLIERS (HWM)
<br />
<br />SYSTEM TYPE HOT WATER IIUL TIPLIERS
<br />Electric EF .80 - ,81 ,82 - ,83 .84 -85 .86 - .87 .88 - .90 .91 - .93 ,94 - .96 ,97 & UP
<br />Resistance HWM 3879 3785 3695 3609 3527 3411 3302 3200
<br />Natural Gas EF .48 - .49 .50 - .51 .52 - .53 ,54 - ,55 .56 - .57 ,58 - ,59 .60 - ,61 ,62 & Un
<br />HWM 1722 1653 1589 1530 1476 1425 1377 1333
<br />Other Fuels HWM 2662 2556 2458 2367 2282 2203 2130 2061
<br /> Water heaters must comply with prescriptive means of Table 9A. EF means Eneray Factor.
<br />
<br />9N HOT WATER CREDIT MULTIPLIERS (HWCM)
<br />
<br />SYSTEM TYPE HOT WATER CREIlIT MULTIPLIERS
<br />Solar Water Heater SF .1 I .2 I .3 I .4 I ,5 .6 I ,7 I ,8 I .9 I 1.0
<br /> HWCM ,9 I .8 I .7 T ,6 I ,5 .4 I ,3 I ,2 I .1 T .0
<br />Heat Recovery Unit With Air-conditioner Heat Pumo
<br />HWCM .62 ,58
<br /> EF 2,0-2.49 I 2.5.2,99 3.0-3,49 I 3,5 & Un
<br />Dedicated Heat Pump HWCM .44 I ,35 ,29 I ,25
<br />A HWM must be used in conjunction with all HWCM, See Table 9M. SF means Solar Fraction, EF means Energy Factor.
<br /> 'Form 9000-86 must be submitted to obtain credit for Heat Recovery Unit
<br />
<br />9P INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST (See Section 903.2(f))
<br />
<br />COMPONENT~ REnlllREMENTS FOR EACH PRACTICE CHECK
<br />PRACTICE #1 COMPLY WITH All INFilTRATION PRESCRIPTIVES ON TABLE 9A.
<br />PRACTICE #2 COMPL Y WITH PRACTICE "1 AND THE FOllOWING:
<br />Exterior Walls and Floors Too nlate oenetrations sealed, Infiltration barrier installed. Sole nlate/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 snace must be sealed.
<br />Firenlaces Eauiooed with outside combustion air doors and flue damners.
<br />Exhaust Fans EQ.uipped with damoers. Combustion devices see 903,2(1).
<br />PRACTICE #~ COMPLY WITH PRACTICE~ #1 AND #2 AND THE FOLLOWING:
<br />Ceilinns Infiltration barrier installed.
<br />Interior Walls Too alate oenetrations sealed nr 'oints & cracks on interior walls caulked sealed or oasketed,
<br />RA"A.....ed Linhts Sealed from conditioned snace & insulated from ventilated a"ic SOllces,
<br />Ductwork All ductwork located in conditioned snace,
<br />Combustion Appliances Be in unconditioned space (except direct vent). Draw air from unconditioned space. Exhaust by-products
<br />outdoors, Stoves see 903.2(1).
<br />
<br />-6-
<br />
|