|
<br />~U.MMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A.1 SUMMER OVERHANG FACTORS ISO:,) 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 />NEJNW 1.00 .94 .91 ,85 ,79 ,72 ,68 ,63 ,58 .50 .40 ,36
<br />I-a: Em 1.00 .95 ,92 ,85 ,78 .70 ,64 ,58 ,52 .42 .33 .26
<br />~o
<br />gl SEJSW 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 It 1'1, It ?It ~It ~%It A v.:ft -';'/011 /;%It <1'/0 It 14ft, 20ft,+
<br /> 'To select bv OverhaM Lennth no oart of olass shall be more than 8 It, below the ovemann,
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS (SPM\
<br /> FRAME CONCRETE BLOCK' FACE BRICK LOG
<br /> INT. INSULATION EXT. INSUL R-V ALUE WOOD FA
<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 & Uo .1 Ii .... 7 & Up ,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 />~~1JPn' ,6 ,2 1,3 0.4 19-25.9 ,2 ,2 3-6,9 ,6 0-2.9 1.0
<br /> 26 & Uo ,1 .1 7-9,9 .4 i' 3-6.9 ,8
<br /> ~ ? 7 & Uo ,7
<br />
<br />6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMl
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R.VALUE SPM R-VALUE SPM CEILING TYPE
<br />WOOD 7,2 2.4 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 />INSULATED 4,8 1.6 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 & Uo 1.4 1.3
<br /> 38 & Uo .4 26-29.9 1,1
<br /> ~OR.lln 0<1
<br />6A.5 FLOOR SUMMER POINT MULTIPLIERS ISPMl
<br />SLAB-ON-GRADE RAISED RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJ~CENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />'~- -~-SPM- SPM R.VALUE SPM SPM SPM
<br />R-VALUE R-VALUE
<br />0.2.9 -31,9 0-2,9 -1.0 0-6.9 0,9 .5.8 5.3
<br />3-4,9 -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 />7 R. Iln -~1 /; 7 R.lln -17 l<1R.lln -0<1 -1 R to
<br />
<br />SPM)
<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 IDMl
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-VALUE IN UNCONDITIONED SPACE IN CONDmONED SPACE
<br />SUPPLY DUCTS IN 4,2-5,9 1,14 1.10
<br />UNCONDmONED SPACE 6.0-6,6 1.10 1.07
<br />6.7 & Uo 1.09 1.06
<br />SUPPLY DUCTS IN 4.2-5.9 1.10 1,00
<br />CONDmONED SPACE' 6.0-6.6 1,07 1.00
<br />/;7 R.lln 1M tOO
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS CSM
<br />S.,.ST~M TY-".e. ~__ _ __ _______ ___ .___.~QIJ~9 SYST~M",UbJl~_L1j:fl~~SM___ __ _ __.__._. ,
<br />Central Units (SEER) J Ralin J.fJ.~L9.nt ~,Q:8~.4_ 8.5-8.8 8.9-9.4 95-9'L..~QJl:-JO'4 10,5-10.9 11,0-11.4 1 t5-11'9~t~_2,Q: 19.4
<br />CSM ,45.43 .40 ,38 ,36 ,34 .:32 .31 .30 ,28
<br />PTAC & Room Units (EER) ~ 12.5-12.9 13..oi~,. 4,'.'.', .'~,l].l.~3.-..9- 1.4.~0-'14..4 ,-14~5-1.4.~1 15,.,.0."..:15",4 j5,j~J~~ .16,9=-164 16,5-16.9 17'.0=-1i.417,.5.~.'.'.&._.UP
<br />_, __ _ ., . __G.~M____ _..1l._ ,_.1,Q ,,_,:?fJ._ _,,?'4 .___,?L_ ,23__ __ ,22 .21 .21 .20 ,19
<br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10,0 SEER, SINGLE PKG, 9,7 SEER, GROUND WATER HEAT PUMP 11.0 EER PT AC-SEE TABLE 6-2'-
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />SYSTEM TYPE
<br />----..------------..--
<br />
<br />HOT WATER MUbII"-L1ER~1!iWM
<br />
<br />Electric Resistance EF --~._.._---_..- .80-,81 ,82:.8:3 ,84-,85 ,86-,87 ,88-,90 ,91-.93 _-,-94-.!lQ. _,97 & Up
<br /> HWM ,- - ---- ----.---- __~{179 :3?1l~_ 3695 -- 3609 352] 3411,_, __3:3Q2 3200
<br /> .
<br />Natural Gas EF .43-.47 .48- .49 ,50-.51 52-.53 ,54-55 56-,57 ,58-59 .60-,61 .62-.63 -,~-,65 .66 & Up
<br /> HWM~__ _.2]z 4 .26~ . ..2~~.ll.__ _.;!4.5.ll. ... .1:3Qll__ 2;!84 --- ,_~;!_O~, ... ,_21~2 2063 1998 ...1 938
<br />LP Gas HWM 3638 3259 7 2794 2697 2607 2 2 2444 2370
<br />
<br />
<br />, FOR MU~ TIP~IERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2,1 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 />
|