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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES
3 65-0109—14
Infrared:
R7848A,B for use with C7015 Infrared (lead sulfide)
Detector.
R7852A,B for use with C7915 Infrared (lead sulfide)
Detector.
Ultraviolet:
R7849A,B for use with C7027/C7035/C7044 Minipeeper
Ultraviolet Detectors.
R7861A for use with C7061A Ultraviolet Detector.
R7886A for use with C7076A,D Ultraviolet Detectors with
adjustable sensitivity.
Optical:
R7851B for use with C7927 and C7962 Flame Detectors.
R7851C for use with C7961E Flame Detectors.
NOTE: R7824C, Series 2 or greater and R7847C Series 4 or
greater, pulse the shutter when signal of 1.5 Vac is
sensed. Display readings of 0.7 to 2.4 Vdc are com-
mon.
Flame Failure Response Time: See Table 1.
Flame Signal (Volts dc):
Minimum Acceptable: 1.25 Vdc.
Flame Signal Voltage Range (displayed on Keyboard Display
Module or measured with a 1M ohm/volt meter plugged into
amplifier test jacks): 0.0 to 5.0 Vdc.
Environmental Ratings:
Ambient Temperature:
Operating: -40°F to 140°F (-40°C to 60°C).
Storage: -40°F to 150°F (-40°C to 65°C).
Humidity: Operating 85% rh continuous, noncondensing.
Vibration: Continuous 0.5G environment.
Weight: 2.5 oz (71g), unpacked.
Dimensions: See Fig. 1.
SIL 3 Capable:
The Amplifiers R7847B,C, R7861A, R7886, R7851C or
R7852B used with the appropriate flame detector and used in
Relay Module EC7810A, 20A, 30A, 40L, 50A;
RM7800[E,G,L,M], 30A, 38[A,B,C], 40[E,G,L,M] 50A,
90[A,B,C,D], 97[A,C], 98A is SIL 3 Capable in a properly
designed Safety Instrumented System. See form number 65-
0312 for Certificate Agreement.
Approvals:
Underwriters Laboratories Inc. Listed: File no. MP268, Guide
no. MCCZZ: R7847A, R7847B, R7847C, R7861A, R7886A,
R7848A, R7848B, R7849A, R7849B, R7851B, R7851C.
Underwriters Laboratories Inc. Component Recognized: File
no. MP268, Guide no. MCCZZ: R7824C.
Canadian Standards Association Certified: LR95329-3.
Factory Mutual Approved: Report 1V9A0.AF. (R7851B, Report
Number 3011020, June 16, 2003), R7851C
(Report number
3020842, April 12, 2005.
)
SwissRe (formerly Industrial Risk Insurers) Acceptable.
Table 1. Relay Module Flame Failure
Response Time (FFRT).
Fig. 1. Flame amplifier dimensions in in. (mm).
NOTE: EN298 Approved: When these amplifiers are used
with an EC7810, EC7820, EC/RM7830, or
EC/RM7850 Relay Module.
Accessories:
Flame Simulators:
Rectification: 123514A.
Ultraviolet: 203659.
Flame Detectors (ordered separately): select from Table 2.
Relay Module
Flame Failure Response
Time (FFRT) in seconds
0.8 or 1 2.0 or 3.0
EC7810, EC7820, EC/RM7830,
EC/RM7850
1.0 2.0
EC/RM7823, EC/RM7885, EC/
RM7890, RM7895, RM7896,
RM7897, RM7898, RM7888,
RM7838, RM7800, RM7840,
R7140
0.8 3.0
RM7824 N/A 3.0
S
–+
FLAME AMPLIFIER
3/8 (9)
3
(76)
M11460
3-9/16 (91)
7/8
(23)