R2010-78 ACCEPTING BID KING-LAR COMPANY

Home Browse Search

�. � � s =- r HEATER PARAMETER/SPECIFlCAT10NS �RADIANT 1'UBE HEATER CDNSTRUCTfON • Gas fired radiant tube heaters shalf be furnished and instailed • Total heater shutdown shall occur in the event of circuit in accordance with governing codes and as shown per control lockout. An interruption of power (reset thermostat) drawing�s) provided. Radiant tube heaters shall be will restarf the firing sequence. RE-VERBER-RAY HLV SERIES of the modei numbers and • Total heater shutdown shall occur in the event of circuit inputsfs) in BTU/H as manufactured by Detroit Radiant control lockout. An interruption of power(reset Products Company, Warren, MI 48089. thermosiat) will restarf the firing sequence. • Radiant tube heaters shall be Design Certified by the • Heater's controi housing shall be totally enclosed with a Canadian Standards Association (CSAJ and comply with corrosion resistant enameled steel exterior. The controls shall current Occu{�ational Safety and Health Act �OSHA) be easily serviceable by removing one (1) panel. Requirements. • The supplier shall provide a manufacturer's published • Heater's combustion chamber shall be 4" O.D. 1 bga. titanium warranty covering the heater's stainless steel burner for a alloy treated steel finished with a high emissivity rated, corrosion resistant, black coating (unless noted otherwise). period of ten (10) years,combustion and aluminized radiant emitter tube(s) assembly for a period of flve �S) years, • Heater's radiant emitter t�be shall be 4" O.D. 1 bga. combustion and hot-roiled radiant emitter tube(s) assembly aluminized steel finished with a high emissivity rated, corrosion for a period of three (3) years, vacuum pump for a period resistant, black coating. Optional hot rolled, uncoated steel of one (1) year, and all components utilized in the heater shall be made available upon request. control assembly for a period of one (1) year. • The heater's combustion chamber and radiant emitter • The supplier shail furnish the owner/contractor with tube shall incorporate a 4"siip flt connection in which the copies of the engineering specification forms,showing upstream tube slides into the next tube and is held by a physical dimensions,installation detail,recommendations, bolted clamp. control wiring diagrams, and spare parts list. • Heater's condensing tubes shall be 1 bga.304 stainless steel. • Radiant tube heaters shall be designed to satisfactorily • The hot surface igniter shall be readily accessible and operate at a minimum in�et pressure of inches W.C.P. serviceable. to a maximum inlet pressure of inches W.C.P. • Reflectors shali be .025 polished aluminum with a multi- • Radiant t�be heaters shall be designed to operate without faceted design which includes reflector end caps. Reflectors adjustments when burning natural gas having a heat value shall be rotatable from 0 to 45 degrees when required. The of BTU per cubic foot with a specific gravity of heater's reflector hanging system shall be designed to permit or when burning propane gas have a heat value of 2500 BTU expansion while minimizing noise and/or rattles. per cubic foot with a specific gravity of 1.53. Reflectors shall be assembied to the heater without • An Installation, Operation, and Maintenance Manual shall be the use of tools. supplied with each heater. • The heaters shall include a downstream turbulator baffle for maximum thermai efficiency, 2' stainless steel flex connector, =RADIANTTUBE HEAT:ER;B.UitNER.CtONTRtOt�S hanging kit and 1/2"gas cock shut-off. ` " ` • Heaters shall be equipped with a sight glass allowing a visual • System shall be a negative pressure operation with a power inspection of ignitor and burner operation from the floor. exhauster assembly at the exhaust end. • The radiant tube heaters shall be designed such that, at the • Heater's power exhauster (PB Series) shall have a steel shaft customers option, outside combustion air may be supplied and a cast aluminum housing. without the use of additional supply fans. An air intake collar shall be supplied as part of the burner control assembly to • Heater shall have a self-diagnostic ignition control module. accept a 4"O.D.supply duct. • Heater shall be equipped with a hot surface ignitor with a three (3) time ignition triai to sensing mode. • All reflectors may be upgraded to 304 Series stainiess steel. • Power supplied to each exhauster assembly shall be 120VAC, • System design shall allow for condensing operation as 60HZ. stated in the HLV Design Guide. Condensing areas shall be • Flame sensing shall be via an independent sensing rod and provided with 304 Series stainless steel tubes,ciamps,and in- circuit. line accessories. • The main burner shall be constructed of stainless steel. • The control assembiy shall be Design Certified by CSA,shall provide main burner regulation,and shall be of the redundpnt type. • Heater controls shall include a safety differential pressure switch. • The heater's control system shall be designed to shut off the gas flow to the main burner in the event either a gas supply or power supply interruption occurs. • The heater's air flow control system shall provide a 4 second pre-p�rge prior to initiating burner operation.