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R7824, R7847, R7848, R7849, R7851,
R7852, R7861, R7886 Amplifiers
for 7800 SERIES and R7140 Relay Modules
PRODUCT DATA
indicate the presence of flame when used with 7800 SERIES
and R7140 Relay Modules. This is not European Community
(CE) approved for EC7810, EC7820, EC/RM7830 or EC/
RM7850 Relay Modules.
The R7848A,B Infrared Flame Amplifiers are solid state plug-
in amplifiers that respond to an infrared signal from a C7015
Infrared Flame Detector to indicate the presence of flame
when u
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES The R7886A Dynamic Self-Check Ultraviolet Amplifier is a • R7824C, R7847C Dynamic Self-Check Rectification solid state plug-in amplifier that responds to a pulsed direct Amplifier, R7851C Dynamic Self-Check Optical Flame current signal from a C7076A,C Ultraviolet Flame Detector Amplifier, R7861 Self-Check Ultraviolet Flame with adjustable sensitivity to indicate the presence of flame Ampl
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES Infrared: Canadian Standards Association Certified: LR95329-3. R7848A,B for use with C7015 Infrared (lead sulfide) Factory Mutual Approved: Report 1V9A0.AF. (R7851B, Report Detector. Number 3011020, June 16, 2003), R7851C (Report number R7852A,B for use with C7915 Infrared (lead sulfide) 3020842, April 12, 2005.) Detector. SwissRe (formerly Industrial Risk Insurers) Acceptable. Ultraviolet
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES Table 2. Flame Detection Systems. Plug-in Flame Signal Amplifiers Applicable Flame Detectors Flame Failure Response a Type Color Self-Checking Model Time (sec) Fuel Type Models b,c,h Rectification Green Dymanic Self- 3Gas, oil, Ultraviolet (Purple C7024E,F R7824C Check coal Peeper®) g No 0.8/1 or 2/3 Gas Rectifying Flame Rod C7004, C7007, C7011 R7847A i Complete Assemblies: Holders C700
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES 1. Align the amplifier circuit board edge connector with the keyed receptacle on the 7800 SERIES and R7140 Relay CAUTION Module. Be sure the amplifier nameplate faces away Equipment Damage Hazard. from the Relay Module. Incorrect combination of relay module, amplifier 2. Push in the amplifier until the circuit board is fully and flame detector can cause equipment damage. inserted into
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES C7076A,D ULTRAVIOLET DETECTOR FLAME ROD X F REMOTE SENSOR X G 6 F 7 EARTH 3a 3b 2b GROUND 5 G 8 2a INFRARED (C7915) 4 SHUTTER L1 1 C7076A BLUE F OR C7076D 3 SHUTTER L2 2 WHITE G TERMINAL BLOCK L1 (HOT) 3 ULTRAVIOLET (C7027/C7035/C7044) L2 (COMMON) BLUE F 7800 SERIES 1 WHITE G F G L2 5 22 OPTICAL C7927A F BLUE SOLID STATE SELF-CHECKING 1 WHITE ULTRAVIOLET (C
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES 7. Disconnect power supply before making wiring connec- tions to prevent electrical shock and equipment damage. CAUTION 8. All wiring must comply with appropriate electrical codes, Equipment Damage Hazard. ordinances and regulations including NEC Class 1 (Line Improper wiring can destroy ultraviolet sensing Voltage) wiring where required. tube. 9. Use recommended wire size and type no. 1
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R7824, R7847, R7848, R7849, R7851, R7852, R7861, R7886 AMPLIFIERS FOR 7800 SERIES AND R7140 RELAY MODULES Table 3. Flame signal. Minimum Acceptable a Flame Detector Flame Signal Amplifier Steady dc Voltage Maximum Expected dc Voltage b Flame Rod 1.25 Vdc 5.0 Vdc at Keyboard Display Module R7847A,B c or on volt-ohmmeter. C7012A,C b C7015A R7848A,B d,e C7024E,F R7824C b C7027A R7849A,B C7035A C7044A b C7927 R7851B C7962 b C7915 R7852A,B d C7061A R7861A d C7076A,D R7886A d C7961E R7851C a This mi
