Datasheet Content
[{"filename":"MF-00-2-0700-0-053-B_DUNGS_Pressure_Switches.pdf","text":"3G-OTH-02829\n The first\n Pressure\n name in flame\n Switchesmonitoring\n ®\n\n\n\n and combustion control\n\n Pressure Switch\n for gas and air\n\n GAO-A4…\n GMH-A4…\n GML-A4…\n\n\n\n\n .\n\n UL Listed\n • UL 353\n • File # MH 16628\n\n CSA Certified\n • CSA C22.2 No. 13 and No. 0\n • Certification file # 201527\n\n FM Approved\n • Class 3510, 3530\n • File # J.I. 1Y919.AF\n 3G-OTH-02829 Pressure Switches\n Commonwealth of Massachusetts\n Approved Product\n GAO-A4../ GMH-A4.. / GML-A4..\n • Approval code G3-0106-191\n • Gas pressure switch\n For use on gas and air applications and\n Codes and Standardsvia the Fireye distribution channels.\n available\n This product is intended for instal-\n lations covered by but not limited to\n NFPA 85, NFPA\n DUNGS86, pressure\n UL 795, CSD-1,\n switches complement Fireye’s\n ANSI Z83.4, ANSI Z83.18, ANSI\n Z21.13, CSArange of flame\n B149.1, safeguards, combustion efficiency\n CSA B149.3\n and CSA B149.6.\n and burner controls for a wide range of industrial and\n 3G-OTH-02829 iscommercial\n an ISO 9001applications. Description Application\n manufacturing facility. The GAO-, GMH- and GML-A4… vent- The GAO-, GMH-, and GML-A4… pres-\n less pressure switches are adjustable sure switch is recommended for indus-\n pressure switches for automatic burner trial and commercial heating, ventilation\n controls. and air-conditioning systems.\n\n These pressure switches are suitable for The GAO-, GMH-, and GML-A4… pres-\n making and/or breaking a circuit when sure switch is suitable for dry natural\n the medium pressure changes relative gas, propane,fireye.com\n butane, air and other\n to the set point. The set point can be set inert gases. Suitable for up to 0.1 % by\n7 • Ed. 05/18 in the field by an adjustable dial with an volume, dry H2S.\n integrated scale. Test nipple integrated\n\f Pressure Switch\n for gas and air\n\n GAO-A4…\n GMH-A4…\n GML-A4…\n\n\n\n\n UL Listed\n • UL 353\n • File # MH 16628\n\n CSA Certified\n • CSA C22.2 No. 13 and No. 0\n • Certification file # 201527\n\n FM Approved\n • Class 3510, 3530\n • File # J.I. 1Y919.AF\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G3-0106-191\n • Gas pressure switch\n\n Codes and Standards\n This product is intended for instal-\n lations covered by but not limited to\n NFPA 85, NFPA 86, UL 795, CSD-1,\n ANSI Z83.4, ANSI Z83.18, ANSI\n Z21.13, CSA B149.1, CSA B149.3\n and CSA B149.6.\n\n 3G-OTH-02829 is an ISO 9001 Description Application\n manufacturing facility. The GAO-, GMH- and GML-A4… vent- The GAO-, GMH-, and GML-A4… pres-\n less pressure switches are adjustable sure switch is recommended for indus-\n pressure switches for automatic burner trial and commercial heating, ventilation\n controls. and air-conditioning systems.\n\n These pressure switches are suitable for The GAO-, GMH-, and GML-A4… pres-\n making and/or breaking a circuit when sure switch is suitable for dry natural\n the medium pressure changes relative gas, propane, butane, air and other\n to the set point. The set point can be set inert gases. Suitable for up to 0.1 % by\n\n\n\n\n GXX_A4 Sales Brochure • P/N 226357 • Ed. 05/18\n in the field by an adjustable dial with an volume, dry H2S.\n integrated scale. Test nipple integrated\n in metal housing to verify set point. A “dry” gas has a dew point lower than\n +15 °F and its relative humidity is less\n than 60 %.\n\n\n\n\n1…6\n\fGAO-A4… SPDT pressure switch requires no auxiliary power. The GAO-A4… is suitable for making and/or breaking a\ncircuit when the set point is exceeded or undershot. A tripped switch is indicated by a neon light after set point is exceeded\nor undershot. Automatic reset when pressure returns below or above set point.\n\nGMH-A4… SPDT pressure switch requires no auxiliary power. The GMH-A4… is suitable for making and/or breaking a\ncircuit when the set point is exceeded. A tripped switch is indicated by a neon light after set point is exceeded.\nManual reset is required to reset the switch.\n\nGML-A4… SPDT pressure switch requires no auxiliary power. The GML-A4… is suitable for making and/or breaking a\ncircuit when the set point is undershot. A tripped switch is indicated by a neon light after set point is undershot.\nManual reset is required to reset the switch.\n\nSpecifications\nMax. operating pressure GAO-A4-4-2,3,5,6 7 PSI (500mbar)\n GMH- and GML-A4-4-4,6 7 PSI (500mbar)\n GAO-, GMH- and GML-A4-4-8 14 PSI (1000 mbar)\nMax. body pressure 15 PSI (1033 mbar)\nPressure connection Standard: 1/4\" NPT female thread centered underside of housing.\nTemperature range:\nGAO-, GMH- and GML-A4-4 Ambient temperature -40 °F to +140 °F (-40 °C to +60 °C)\n Medium temperature -40 °F to +140 °F (-40 °C to +60 °C)\nGAO-, GMH- and GML-A4-4-8 Ambient temperature -22 °F to +140 °F (-30 °C to +60 °C)\n Medium temperature -22 °F to +140 °F (-30 °C to +60 °C)\nMaterials Housing Aluminium\n Switch Polycarbonate\n Diaphragm NBR-based rubber\n Switching contact Silver or Gold\nElectrical ratings AC eff. min. 24 V max. 240 V\n DC min. 24 V max. 48 V\nNominal current Silver (Ag) contact ratings Gold (Au) contact ratings\n AC 10 A resistive @ 120 VAC\n AC 8 A inductive @ 120 VAC\n DC min. 20 mA @ 24 VDC DC max. 5 mA @ 5 VDC\n DC max. 1 A @ 24 VDC & 48 VDC DC max. 20 mA @ 24 VDC\nIndication light 0.30 W energy consumption\nElectrical connection Screw terminals via 1/2\" NPT conduit connection\nEnclosure rating NEMA Type 4\nSetting tolerance ±15% switching point deviation referred to set point. Adjusted as pressure rises\n or as pressure falls, vertical diaphragm position.\nVent Limiter Incorporates a vent limiter as per UL 353 and limits the escape of gas less than\n 1.0 CFH of natural gas at 7 PSI if internal switch diaphragm ruptures\n\n\n\n\n 2…6\n\f Dimensions inch (mm)\n GAO-, GMH-,…
