|
<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A.l, SUMMER OVERHANG FACTORS (SO 1 FOR SINGLE AND DOUBLE PANE GLASS.
<br />~ r' OH RATIO ,00-.11 ,12-,17 ,18-.26 .27-,35 ,36',46 ,47-.57 ,58- .70 ,71-,83 ,84-1.18 1,19-1.72 1.73-2.73 2.74+
<br />N 1.00 ,94 .91 .87 .83 ,79 ,75 ,72 .69 ,62 .56 .50
<br />NEiNW 1.00 .94 .91 .85 .79 .72 ,68 ,63 ,58 ,50 .40 ,36
<br />t-a: EfIN 1.00 ,95 .92 .85 .78 .70 ,64 .58 ,52 ,42 ,33 .26
<br />~o
<br />~l SEiSW 1.00 .93 ,90 .81 .72 ,62 ,55 .49 ,42 ,33 ,27 .22
<br />S 1.00 .91 ,87 .77 .67 .57 ,50 ,45 ,39 ,32 ,28 .25
<br />OH LENGTH' Oft 1 ft 1'/, ft 2 ft 3ft 3'12ft 4'12ft 51h ft 6V2 ft, 9V2ft 14ft 20 ft +
<br /> 'T 0 select bv O.erhallll Lenatll no aart of alass shall be more lhan 6 h. below the overllallll,
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS ISPMI
<br /> FRAME CONCRETE BLOCK1 FACE BRICK LOG
<br /> INT. INSULATION I=XT. INSUL R-VALUE WooDFR
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6,9 2.9 6 INCH
<br />R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 ,6 R-VALUE EXT
<br />0.6.9 6.4 2,2 8,9 2.9 0-2,9 2,5 '.9 2,5 11-18,9 .4 0-2,9 1.7
<br />7.10.9 2.3 .8 4,1 1.3 3-4,9 1.4 .7 .7 19-25.9 ,2 3-6,9 1.1
<br />11-12.9 1.9 .7 3,0 1.0 5-6,9 1.0 .6 .3 26 & UP .1 7 & Un .8 .
<br />13.18.9 1.7 .6 2,8 0,9 7-10.9 .8 .4 ,1 R.VALUE BLOCK 8 INCH
<br />19.25,9 1.0 .3 2.4 0,8 11-18.9 ,4 .3 0 0-2,9 1,0 R.VALUE EXT
<br />26& UP ..6 ,2 1.3 0.4 19-25,9 .2 .2 3-6,9 . ,6 0-2,9 1.0
<br /> ./ 26 & Un .1 .1 7-9,9 .4 3-6,9 .8
<br /> 10 & Un 2 7 Ro IIn 7
<br />
<br />6A-3 DOOR SUMMER POINT MULTIPLIERS
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2,4
<br />INSULATED 4.8 1.6
<br />
<br />SPM)
<br />
<br />6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMI
<br />UNDER A mc SINGLE ASSEMBLY CONCRETE DECK ROOF
<br />R.VALUE SPM R.VALUE SPM CEILING TYPE
<br />19-21.9 1.1 10-10,9 3.0 R-VALUE DROPPED EXPOSED
<br />22-25,9 .9 11-12,9 2.7 10-13.9 3.0 3,3
<br />26-29.9 ,7 13-18,9 2.4 14-20,9 2,0 2,1
<br />30-37.9 .6 19-25.9 1.8 21 & UP 1.4 1.3
<br />38 & Un ,4 26-29,9 1.1
<br /> ~II.Un 09
<br />
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPMI
<br />SLAB-DN-GRADE RAISED RAISED WOOIY I
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJ~CENT
<br /> .- CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPM R.VALUE SPM R.VALUE SPM SPM SPM
<br />.~9 -31.9 0-2.9 -1,0 0-6,9 0.9 -5,8 5.3
<br />3-49 -31.8 3-4.9 -1,7 7-10.9 -1.1 -2.8 2.1
<br />5-6.9 -31.7 5-6,9 -1.7 11-18,9 -1,0 -2,2 1,8
<br />nlln _':t11; 7 Rolin _17 HlRolln -09 -1R 1 n
<br />
<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A.21
<br />PRACTICE #1 13,8
<br />PRACTICE #2 10,9
<br />
<br />6A-7 DUCT MULTIPLIERS 10M I
<br /> RETURN DUCTS RETURN DUCTS
<br /> RN ALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE .
<br />SUPPLY DUCTS IN 4.2-5.9 1.14 1.10
<br />UNCONDITIONED SPACE 6,0-6,6 1,10 1.07
<br />6,7 & Un 1.09 1.06
<br />SUPPLY DUCTSIN 4.2-5,9 1.10 1.00
<br />CONDmONED SPACE' 6,0-6,6 1,07 1.00
<br />fi 7 & Un 106 100
<br />
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS CSM
<br />SYSTEM TYPE
<br />
<br />_. -, COQ.bING SYSTEM_MULTIPLIERS (CSMl .. . I
<br />Rating _ _ 7,5-79._ 8'O-8.4~Jl.5'8'~' .!lJl.-li_ !!:~-9..9 1 .~ lQ,~..:10,9 11,0-11.4 11.5.11.~ .12.0,12.4
<br />CSM ,45.43.40.38 ,36 ,34 ,32 .31 ,30 _,28.,
<br />PTAC & Room Units (EER) Batin 12.5-12,9 13,0-13.4 13,5-1~~ 14,0-14.4 14.5-14,9 15,0-15.4 1 5-15 16,0-16,4 16,5-16,9 17,0-17,4 17.5~!,ip
<br />CSM .27 ,26 ,25 ,24 ,24 .23 , ,21 .21 .20: LL
<br />-.-..-..------.--..---M-INIMUMS: CENTRAL UNITS-AlA-COOLED spur SYSTEM '-0.0 se-ER, SINGLEPKG:-9.7 SEER~ GROUND WATER HEAT PUMP 11.0 EERPTAC-SEE TABLE 6-2
<br />
<br />Central Umts (SEER)
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />.SY5.IEM TYPI:_.._____
<br />
<br />Electric ReSistance
<br />
<br />..ff____
<br />HWM
<br />ff ._.___ .-,-4~:.47
<br />. HW~L_ _l[lA
<br />HWM 3638
<br />
<br />
<br />~- --~- -
<br />_ .80-Jll ,82-,83 .84-.85
<br />3879 3785 3695
<br />,~-"~~. S-,55 ,56-,57
<br />...245.9.....?~_ ....1.?~
<br />3009 2897 2794
<br />
<br />
<br />-
<br />,94'.96
<br />3302
<br />,64-,65
<br />1998
<br />2444
<br />
<br />..
<br />,97 &.Ujl
<br />3200 .
<br />.66 & l,!p
<br />19~
<br />2370
<br />
<br />Natural Gas
<br />LP Gas
<br />
<br />1 FOR MUL TlPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 21 OF APPENDIX C. 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />SECTION 3 1 OF APPENDIX C 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R.VALUE NECESSARY TO PREVENT CONDENSATION.
<br />
<br />-3-
<br />
|