17-19007 - Laserfiche WebLink

Browse Search

{ ' FOR(�1 R405-2014 ' lV�AI�DA,TQRY REC�UIR�l4111ENTS - (Continued) [� F?403.2.3 Sutiding Gavitles{Mandatory). BuIlding framing cavitiss shal!not be used as ducts or plenums. ❑ R403.3 Mechanlca(system piping insulation(Mandatory}. Mechanica!system piping capable of carrying fluids above 105°F(41°C) ' or below 55°F(13°C)shall be insulated to a minimum of R-3., R4d3.3.1 Protectian of piping tnsuiatlon. ❑ R4D3.4.1 Circulating hot water sysfems(Mandatory). Circu(afing hof water systems shatf be provided with an automatic or readily accessibie manua!switch thaf can turn a�f fhe hot-water circulating pump when the system is not in use. � R403.4.3 Heat traps(Mandatoryj. Storage water heaters not equipped with integrai fieat traps and having ve�tical pipe risers shal ave heat traps insta!{ed on bofh the in(ets and auttets.Extema(heat traps shaii consist of either a cammercia!!y available heat trap at a dawr�ward and upward bend of at least 3"/z inches{89 mm)in the hot water distribution line and cold water line located as close as possibie to the storage tank. � � � R403.4.4 Water heater efficiencies(Mandatoryj. � RA03.4.4.1 Storage wafer heater temperature cantrals s Rd03.d.4.1.1 Automafic controis. Service water heating sysiems shali be equipped wiih automatic kemperature confrols capable of adjustment from the lowest to the highest acceptable temperature settings for the intended use.The minimum temperature setting range shei(be from 100�F to 140'F(38°C to 60°Cj. . F2403.4.4.1.2 Shut down. A separate switch or a clearly marked circuit breaker shall be provided to permit the power supplied to electric service systems to be turned off.A separate valve shal!be pro�ided ta permit the energy supplied to the main burner{s} of combusison types af senrice wafec heatsng systems to be turned off. p R403.4.4.2 Water heating equipment. Water heating equipment insta!!ed in residentia!units shall meet the minimum e�ciencies of Table C444.2 in Chapter 4 of the Florida Building Code,Energy Conservation,Commercial Provisions,for the type of equipment insfalled. Equipment used to provide heating functions as part of a combination sysfem shall satisfy all stated requirements for the appropriate water heating categary. Solar water heaters shal!met the criteria Section ft403.4.4.2.1. , Rd03.d.d.2.1 Solar water heating systems.So1ar systems far damesiic hot water praduction are rated by!he annual salar energy factor of the system.The solar energy factor af a system shall be determined from the Florida Solar Energy Centet Dtrectory of Certified Solar Systems.Solar collectors shaii be fested in accordance with ISO Standard 98d&,Tes#Methods for Solar Collectors, and SRGG Standard TM-'t,Solar pomesfic Hot Water System and Gomponent Test Ptatacol,Co!lectors in installed solar water. heating systems should meet the following criteria: 1. 8e installed with a tilt angle between 10 degrees and 40 degrees of the horizontal;and 2. Be installed at an orientation within 45 degrees of frue south. p R403.5 Mechanical ventilation(PJiandatory). The building shall be provided with ventilafion fhaf inests the requirements of the Fiorida Bui(ding Code,Residentiat or Ftorida Building Cnde,Mechanical,as applicabie,or with other appraved means of ventitation. Outdoor air Intakes and exhausts sha!{have automatic or gravity dampers that close when the ventilation system is not operating. p R403.6 Neating and coaling equipment(Mandatory). The following sections are mandatory for coaling and heating equipment. � R403.B.1 Equipment sizing. Heating and cooling equipment shait be sized in accordance with ACCA Manual S based on fhe equipment loads caicutated in accordance with ACCA fUlanua!J or ather approved heafing and coo(ing calculation methodalagies, based on building loads for ihe directional orientation of the building.7he manufacturer and model number of the outdoor and indoor units(if split system)shall be submitted a�ong with the sensible and total cooting capaeities at the design conditians described in Sectian R�02.1.This cade does not a31aw designer safety factors,pravisions far future expansion or other factors which affect equipment sizing.System sizing calculations shall not include loads created by local intermittent mechanical ventilation such as standard kitchen and bathroom exhaust systems. � R403.6.1.t Cooling equipmenf capacify. Cooling only equipment sha1l be setected so that its total capacity is nat less fhan the calculated totai toad,but nat more than 9.15 times greater than the tota!foad calculated according zo the procedure selected In Sectfon 403.6,or the closest available size provided by the manufacturer's product lines.The corresponding latent capacity of the equipment shall not be Iess than the calculated Iatent load. 9I7/2017 7:&1 Atvi EnergyGaugeO USR-FlaRes2014 -Section R405.4.9 Cam Page 2 of 3