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FORM"R405-2017 MANDATORY REQUIREMENTS- (Continued) O R403.6.1.1 Cooling equipment capacity.(continued) The published r AHRI total capacity is a nominal,rating-test value and shall not be used for equipment sizing.Manufacture's expanded perforrrr ce:d=, shall be used to select cooling-only equipment.This selection shall be used to select cooling-only equipment This selection sh I based on the outdoor design dry bulb temperature for the load calculation(or entering water temperature for water-source equipin t�,.the blower cfm provided by the expanded performance data, the design value for entering wet bulb temperature and the design value toy entering dry bulb temperature. Design values for entering.wet bulb and dry bulb temperature shall be for indoor dry bub and relative tumidity used for the load calculation and shall be adjusted for return side gams if the return duct(s)is installed in an unconditioned space. Exceptions: 1. Attached single-and multifamily residential equipment sizikc 1 may be selected so that its cooling capacity is less than the calculated total sensible load but not less than 80 percent of at load. 2. When signed and sealed by a Florida-registered engineer,in'attached single-and multifamily units,the capacity of equipment may be sized in accordance with good design praMice_ O R403.6.12 gating equipment rapacity • R403.6.12.1 Heat pumps. Heat pumps sizing shall bs based on cooling requirements as calculated according to Section R403AA.1 and the heat pump total cooling capacity shall not be more than 1.15 times greater than the design cooling bad. • R40&6.122 Electric resistance furnaces. Electric resistance fu Itnaces shall be sized within 4 kW of the design requirements:calculated according to the procedure selected in Section R403.6.1_ R403.6.1.2:3 Fossil fuel heating equipment. The capacity of-"I fuel heating equipment with natural draft atmospheric burners shall not be less than the design bad calculated in accordance with Section R403.6.1. O R403.6.1.3 Extra capacity required for special occasions. Residences requiring excess cooling or heating equipment capacity on an intermittent basis,such"as anticipated additional loads caused by major entertainment events,shall have equipment sized or controlled to prevent continuous space coaling or heating within that space by one or made of the following options: 1. A.separate cooling or heating system is utilized to provide cooling or heating to the major entertainment areas. 2 A variable rapacity system sized for optimum performance during base load periods is utlized. O R41M7 Systems serving multiple dwelling units(Mandatory). Systems serving multiple dwelling units shall comply with Sections C403 and C404 of the Commercial Provisions in lieu of Section R403. O R4032 Snow merit system controls(Mandatory). Snow and ice-melting systems supplied through energy service to the building,shall include automatic controls capable of shutting off the system when the pavement'temperature is above 55*F,and no precipitation is failing and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40°F. R403.9 Swimming pools,in-ground spa 'and portable spas(Mandatory).- The energy requirements for residential pools and ingreund spas shall be as specified in Sections R403.9.1 through R403.9.3 and in a rdance with ANSI/APSP-15.The energy requirements for portable spas shall be in accordance with ANSI/APSP-14. O R40SAI tool and spa heaters. All pool heaters shall be equipped with readily accessible on-off switch that is mounted outside the heater to allow shutting off the heater without adjusting the thermostat setting. 1i403.9.1.1 Can and oltdired pool and spa heaters. All gas and."red pool and space heaters shall have a minimu m thermal efficiency of 02 percent for heaters manufactured on or after April 16,203 when tested in accordance with ANSI Z 21.56. Pool heaters fired by natural gas or LP gas shall not have continuous)i bu rninq pilot fights. R403.9.12 Heat pump pool heaters. Heat pump pool heaters shill have a minimum COP of 4.0 when tested in accordance with AHR11160,Table 2,Standard.Rating Conditions-Low Air Temperature.A test report from an independent laboratory is required to verify procedure compiiarhce.Geothermal swimming pout h6at pumps are not required to-meet this standard. O R403.9.2 Time switches. rime switches or other control method that can automatic ally turn off and on heaters and pumps according to a preset schedule shall be installed on all heaters and pumps_Heaters,pum and motors that have built in timers shall be deemed in compliance with this equipment Exceptions: 1. Where public health standards require 24-hour pump operatio 2. Where pumps are required to operate solar-and waste-heat-recovery pool heating systems. 3. Where pumps are powered exclusively from on-she renewrableigeneration. O R403.9.3 Covers. Heated swimmng pools and iriground permanently installed spas shall be equipped with a vapor-retardant cover on or at the water surface or a liquid cover or other means proven to reduce heat W . Exception: Outdoor pools deriving over 70 percent of the energy for I eating from site4ecovered energy,such as a heat pump or solar energy source computed over an operating season. 0 RR404.1 Lighting equipment(Mandatory-). A minimum of 75 percent of the lamps in permanently installed fighting fixtures shall be high-efficacy lamps or a minimum of 75 percent of permanently installed fighting fixture shall contain only high efficacy lamps. Exception:- Low-voltage fighting shall not be required.to utilize high cy lamps. 0 R404.1.1 Lighting equipment(Mandatory). Fuel gas lighting systems shall not have eantinueusly burning pilot tights O R40:2 Performance;ONLY. All duds not entirety inside the building thermal envelope shall be insulated to a minimum of R-6. O R405.2.1 Performance-ONLY. Ceilings shall have minimum insulation of R-19.Where single assemby of the exposed deck and bears type or concrete deck roofs do not have suffecem space,R-10 is allowed. 0724120191:09:49'AM EnergyGauge®USA-F1aRes2017.Section R405.4.1 Comprranrt Software Page 3 of 3