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` <br /> . . <br /> MAN DATORY REQUIREMENTS - (Continued) <br /> selected so that its total capacity is not less <br /> than the calculated total load but not more than 1.15 times greater than the total load calculated according to the procedure selected in <br /> Section 403.7,or the closest available size provided by the manufacturer's product lines.The corresponding latent capacity of the <br /> equipment shall not be less than the calculated latent load. <br /> The published value for AHRI total capacity is a nominal,rating-test value and shall not be used for equipment sizing.Manufacturer's <br /> expanded performance data shall be used to select cooling-only equipment.This selection shall be based on the outdoor design dry-bulb <br /> temperature for the load calculation(or entering water temperature for water-source equipment),the blower CFM provided by the expanded <br /> performance data,the design value for entering wet-bulb temperature and the design value for entering dry-bulb temperature. <br /> Design values for entering wet-bulb and dry-bulb temperatures shall be for the indoor dry bulb and relative humidity used for the load <br /> calculation and shall be adjusted for return side gains if the return ducVs is installed inan unconditioned space. <br /> Exceptions: <br /> 1. Attached single-and multiple-family residential equipment sizing may be selected so that its cooling capacity is less than the <br /> calculated total sensible load but not less than uo percent of that load. <br /> 2. <br /> When signed and sealed by a Florida-registered engineer,In attached single-and multiple-family units,the capacity of <br /> equipment may ba sized|m accordance with good design practice. <br /> guoo.r.1.o Heating equipment capacity. <br /> �l R4uo.cz 1. 1Mnatpump� �H id h�|bo based on�a cooling naquimmen� ca <br /> lculated� �ed �on�ingSe�ion <br /> �� R4Va.71.1'and the heat pump total cooling capacity shall not bo more than 1.1u times greater than the design cooling load even if <br /> the design heating load iv1.15 times greater than the design cooling load. <br /> �7 r R«oo' 1.u�s(mcum re <br /> sistance mm El <br /> ectric eoNomv�� fur <br /> naces be sized wi <br /> thin design <br /> �� requirements calculated according to the procedure selected in Section R403.7.1. <br /> � n��t2.3 Fossil fuel heating equipment. The capacity of fossil fuel heating equipment with natural draft atmospheric burners <br /> shall not be less than the design load calculated in accordance with Section R403.7.1. <br /> �� g400.r1.oEx�a capacity roquimdfor spedo|occasions. Residencese requiring mmnoocooling o/o��nQoqu�mmmoapanhyvnon <br /> �� intermittent basis,such as anticipated additional loads caused by major entertainment events,shall have equipment sized or controlled 0o <br /> prevent continuous space cooling or heating within that space by one or more of the following options: <br /> 1. A separate cooling or heating system is utilized to provide cooling or heating to the major entertainment areas. <br /> e. A variable capacity system sized for optimum performance during base load periods is utilized. <br /> R*una�ys�mssemingmu|Up|�dwoUinguni�w(mond�oq0 Systems vomingmu|dp|odwelling uni�sx�|nnmp�with aemivno <br /> � . <br /> �� o4Do and C4n4of the|sCC—oommercial Provisions in lieu of SactionRoom. <br /> n4O3.9 Snow melt and ice system controls Vmandatnp0 Snow-and ice-melting systems,supplied through energy namicnmthabui|diog. <br /> shall include automatic controls capable of shutting off the system when the pavement temperature is above 50*F(1 VC),and no <br /> precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40*F(4.8*C). <br /> �l B4oV.1V Pools and pemouneotspa energy consumption<Mandaunn0. The ona�yoqnoumphonvf pools and permanent spas <br /> �� shall bain accordance with Sections n4Oo.1o.1 through R400.10s. <br /> �7 R4ox.10.1Heaters. The electric power to heaters shall be controlled by a readily accessible on-off switch that is an <br /> integral part of the heater mounted on the exterior of the heater,or external to and within 3 feet(914 mm)of the heater.Operation <br /> of such switch shall not change the setting of the heater thermostat.Such switches shall ba}n addition ma circuit breaker for the <br /> power m the heater.Gas-fired heaters shall not be equipped with continuously burning ignition pilots. <br /> F� a403.1o.2 Time switches. Time switches or other control methods that can automatically turn off and on according to a preset schedule <br /> shall be installed for heaters and pump motors,Heaters and pump motors that have built-in time switches shall be in compliance with this <br /> section. <br /> Exceptions: <br /> 1. Where public health standards require c4-hour pump operation. <br /> 2. Pumps that operate solar-and waste-heat-recovery pool heating systems. <br /> m. Where pumps are powered exclusively from on-site renewable generation. <br /> ' <br /> �7 n403.10.3ooxe,s. Outdoor heated swimming pools and outdoor permanent spas shall bo equipped with a vapor-retardant cover unmot <br /> the water surface ora liquid cover u,other means proven m reduce heat loss. <br /> Exception: Where more than 70 percent of the energy for heating,computed over an operation season,is from site-recovered <br /> energy,such as from a heat pump or solar energy source,covers or other vapor-retardant means shall not be required. <br /> R4ou1u4m�o on�oU'nmdpoo|an�apabma�r�. /U}oa�-unuoi��mdpon aodopoho�osso�|ha,oami�mumUmnn� <br /> �l ' � <br /> efficiency nf82 percent for heaters manufactured on or after h 2m1o.when tested in accordance with ANSI Zo1.5V.Pool <br /> heaters fired by natural or LP gas shall not have continuously burning pilot lights. <br /> 11/7/201811:31AM snorgyaauQm@UGA FoCmh Edition(2m17) Compliant Software Page 4nf5 <br />