7.1
27
95-8242
APPENDIX
[Factory Mutual Research Corporation (FMRC) Approval Description]
R7404 CONTROLLER aND C7050 UV FLaME DETECTOR
• Automatic Fire Alarm Signaling Performance verified per FM3260.
• Performance verified Optical Integrity (
oi
).
• The following performance criteria was verified 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
• Artificial 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 (Classified) Locations per FM 3615.
• Dust ignition-proof for Class II/III, Division 1, Groups E, F, and G Hazardous (Classified) 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)
