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FORM R405-2014 � MAND�4TORY REQUIREN(Ei�TS - (Con�inued) . � R403.6.1.1 Cooling equipment capacity.(continued) 7he pub(ished va�ue for AHRI tota(capacity is a nominai,rating-test value and sha((not be used for equipment sizing.Manufacture's axpanded performance data shaU be used to select coo(ing-only eguipment.Thls seiection shaif be.used to select cooling-o�ly equipment.This selection shall be based on the outdoor design dry bulb temperature for the laad calculatian(or entering water temperature for water-source equipment),the blower cfm provided by the expanded pertormanee data, ihe design value for entering wet hu)b temperafure and the design value for entering dry bulb temperature. Design values for entering wet buib and dry bulb temperature sha!{be for the indoor dry bu3h and relative humidity used far the laad caiculation and shaH be adjusted for return side gains if the return duct(s}is installed in an unconditioned space. Excep#ions: 1. Attached single-and multi-family residentia!equipment sizing may be selected so that iks cooling capacity is less than the calculated total sensible load but not less than 80 percent of that load. 2. When signed and sealed 6y a Florida-registered engineer,in attached single-.and multi-family units,the capacity of Ps�uipmeaUnay be sized in accordance with good design practice. ( � R403,6.1.2 Heating equipment capacity ' R403.6.1.2.1 Heat pumps. Heat pumps sizing shall be based on the cooling requirements as calculated according to Section i R403.6.1 1 and the heat pump totai cooiing capacity sha(I not be more than 1.'i5 fimes greater than the design caoling(oad. I . R403.6.1.2.2 Electric resistance furnaces. Etectric resisfance fumaces shall be sized witfiin 4 kW of the design requirements calculafed according to the procedure selected in Secfion R443.6.1. , ' R403.6.1.2.3 Fossil fuet heafing equipment. The capacity of fossii fuel heafing equfpment with naturai draft atmospheric bumers ( sha!!not be fess than the design load calcu{ated En accordance with Section R403.6.1. � O R483.6.1.3 Extra capacity required far speciat occasions. Residences requiring excess caaling or heating equipment capacity on an intecmiifent basis,such as anticipated additional{oads caused by major enledainment events,shall have equ3pment sized or controlled to prevent continuous space cooling or heating within that space by one or more of the following options: 1. A separate cooling or heating system is utilized to provlde cooling or heafing to the major entertainment areas. 2. A variable capacity system sized for optimum performance during base load periods is utilized. ❑ R403.7 Systems serving multiple dwelling units(Mandatory). Systems serving multiple dwelling units shalf compiy with Sections C4d3 and C404 of tfie Cammercial Provisions in Iieu of Section R403. ❑ R403.8 Snow melt system controls(Mandatory). Snow and ice-melting systems,supplied through energy service to the building,shaii include autamatic contrals capa6te of shut6ng ofEfhe system whan fhe pavement#emperature is abave 55°F,and no precipitation is falling and an automatic or manua!control thak will allow shutoff when the outdoor temperature is above 40°F. ❑ R403_9 Swfmming poa{s,inground spas and portable spas{Mandatory). The energy requlremenfs for residential pools and inground spas shall be as specified in Sections Ft403.9.1 through R403.9.3 and in accordance with ANSUAPSP-15.The energy requiremenfs for portable spas shall be in accardance with ANS(tAPSR14. Q R403.9.1 Poal and spa heaters. AII pool heafers shali be equipped witfi a readity accessibte on-off switch that is mounted autside the heafer to a!!aw shutting aff the heater without adjusting the thermostat setting. . R403.9.1.1 Gas and oil-fired paol and spa heatees. Ai!gas-and oi1-fired poai and sgace heaters shali have a minirnum therma!efflciency of 82 percent for heaters manuPactured on ar after April 16,2013 when tested in accordance with ANSI Z 21.56. Pool heaters fired by nafural gas or LP gas shall not have conkinuously burning pilof tighfs. , R403.9.1.2 Weat pump pooi heaters. Heat pump poo�heaters sha1l have a minimum COP of 4.0 when tesfed in accordance with ANRt'1180,Table 2,SEandard Rating Conditions-Low Air Tempera2ure.A iest report from an independent lataoratory is � required to verify procedure compliance.Geotnermal swimming paol heat pumps are not required to meet this standard. O R403.9.2 Time swikches. Time switches or other contro!method that can automat(cally tum off and on heaters and pumps according to a preset schedule shall be installed on all heaters and pumps.Heaters,pumps and motors that have bui(t in timers sha(t be deemed in comp3iance with this equipment. Facceptlons: • 1 Where publlc health standards require 24-hour pump operations. 2. Where pumps are required to operate solar-and waste-heat-recovery pooi heating systems. 3. Wt�ere pumps are powered exclusively from an-site renewable generation. O R403.9.3 Covers. }ieated swimming paois and inground permanently insfalled spas shali be equipped with a vapor-retardant cover on or at the water surface or a liquid cover ar other means proven to reduce heat loss. Except(on: Outdoor pools deriving nver 70 percent of the energy for heating from site-recovered energy,such as a heat pump or ' so(ar energy source computed over an operating season. ❑ RR404.1 Lighting equipmenf{Mandatary}, A minimum of 75 percent of fhe Iamps in permanently instailed lighting fixtures shall be high-efficacy lamps or a minfmum of 75 percent of permanenily installed lighting fixiures shall confain only high efficacy lamps. i Exceptlon: Low-valtage lighting shall not be required to utilize high-efficecy lamps. � R404.1.1 Llghting equipment(Mandatory). Fuel gas lighting systems shall not have continuously burning pilot lights � R405.2 Performance ONLY. All ducts not entire(y inside the building thermai enue(ope shall be insulated to a minimum of R-6. O R405.2.1 Performance 4N�.Y. Ceilings shatt ha�e minimum i�sulation of R-19.Where singte assemby of the expased deck and beam fype or concrete deck roofs do nat have su�cent space,t?-10 is a!lowed. 9l7t2497 7:59 AM EnergyGauge(�USA-FlaRes2q14 -Section R405.4 1 Com Page 3 of 3