Det-Tronics R7404 - Page 29

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APPENDIX [FactoryMutualResearchCorporation(FMRC)ApprovalDescription]
R7404 CONTROLLER AND C7050 UV FLAME DETECTOR
•AutomaticFireAlarmSignalingPerformanceveriedperFM3260.
•PerformanceveriedOpticalIntegrity(o
i
).
•ThefollowingperformancecriteriawasveriedbyFMRC:
Response Characteristics
Refer to Table A1.
Angle of View
–45to+45offcenterlineinverticalandhorizontalplanes.
False Alarm Immunity
•DirectSunlight
•Articiallight
•Vibrationimmunityforverticaldisplacementof0.02inches(0.5mm)atafrequencyof10to30Hzfor4hours.
•Radiofrequencyinterference(RFI)immunityat12inchesto155MHzand450MHzwithradiationpowerlevelsof5.0
watts.
C7050 UV FLAME DETECTOR ONLY
Models C7050 with aluminum or stainless steel enclosure and 1/2-inch or 3/4-inch NPT conduit entries (M20, M25
orPg16conduitentriescanbeusedinnon-NorthAmericanapplications).For18to32vdcoperationthroughan
approved control panel that provides separate circuits for power and alarm initiation.
•Explosion-proofforClassI,Division1,GroupsB,CandDHazardous(Classied)LocationsperFM3615.
•Dustignition-proofforClassII/III,Division1,GroupsE,F,andGHazardous(Classied)LocationsperFM3615.
•AmbientTemperatureLimits–40°Cto+75°C.
•EnclosureRatingNEMAType4(IndoorandOutdoorLocations)perNEMA250.
Options
Model Q9001B Aluminum Swivel Mounting Assembly
Model Q9001H Stainless Steel Swivel Mounting Assembly
Table A1—C7050/R7404 Flame Detector Response Characteristics
Counts Per Second (cps) Fuel Size Distance
10 n-heptane 1 ft x 1 ft (0.3 m x 0.3 m) 100 ft (30 m)
25 n-heptane 1 ft x 1 ft (0.3 m x 0.3 m) 40 ft (12 m)
100 n-heptane 1 ft x 1 ft (0.3 m x 0.3 m) 25 ft (8 m)