Det-Tronics C7050 Instructions Manual Download | Manualshive

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Instructions

95-8242

Ultraviolet Flame Detection System
R7404 Controller
C7050 Detector

7.1

Rev: 11/10

95-8242

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Summary of Contents for C7050

Page 1: ...Instructions 95 8242 Ultraviolet Flame Detection System R7404 Controller C7050 Detector 7 1 Rev 11 10 95 8242 ...

Page 2: ...ERATIONS 9 INSTALLATION 10 Wiring Requirements 10 Detector Positioning and Density 11 Mounting the Detector 11 Controller 13 TYPICAL SYSTEM APPLICATIONS 17 STARTUP PROCEDURE 18 CHECKOUT PROCEDURE 20 Manual oi Check 20 Detector Count Test 20 Manual Check in Normal Mode 21 MAINTENANCE 21 TROUBLESHOOTING 22 DEVICE REPAIR AND RETURN 22 ORDERING INFORMATION 24 Options 24 Recommended Spare Parts 24 ...

Page 3: ... in outdoor applications because it is not affected by wind or rain and is insensitive to solar radiation In addition the detector does not respond to normal artificial light Typical applications for Det Tronics UV detection systems are Wherever highly combustible materials are involved Where there is a need for instantaneous response to flame Wherever unsupervised areas require automated fire pro...

Page 4: ...n Considering the above it can be seen that there are fire detection applications where only ultraviolet sensors are suitable However success in using an ultraviolet detector is dependent not only on knowing its advantages but also its limitations It is important to note that electric arc welding is a source of intense ultraviolet radiation and care must be taken to ensure that arc welding is not ...

Page 5: ... external reflective oi ring faults caused by corrosion or contamination of the ring are eliminated A fault will be indicated only if the viewing window is actually dirty It is important to note that the internal reflection system is effective only with oily substances that wet the surface of the window It does not detect dry contaminants and therefore is not practical for powder coating booths or...

Page 6: ...eater than the preset time delay the following actions take place 1 The appropriate solid state zone output s is energized One zone output is available for each of the eight zones 2 The solid state alarm output is energized The alarm output is activated when any zone detects a fire 3 The ZONE display identifies the first responding zone The DETECTOR display is blank 4 The SYSTEM STATUS display sho...

Page 7: ... and INHIBIT LEDs will turn on and all Zone Fire Logic and Alarm outputs will be disabled Programming Switches The circuit board on the left side of the R7404 Controller contains switches for selection of 1 Detectors connected to the controller 2 System sensitivity 3 Time delay 4 Fire logic and latching non latching options See Switch Setting Procedure in the Installation section for a detailed de...

Page 8: ...dwires As with any field device shielded cable on all wires provides maximum protection from RFI EMI sources SHIPPING WEIGHT Approximate Pounds Kilograms Controller 2 5 1 12 Detector aluminum 1 25 0 56 stainless steel or brass 2 25 1 0 DIMENSIONS Refer to Figure 3 for dimensions of the controller and Figure 4 for the detector and swivel mounting brackets Figure 5 shows the dimensions of the Q4004 ...

Page 9: ... HT DIM A DIM B DIM C DIM D DIM E WEIGHT FIRE GAS INCH MM INCH MM INCH MM INCH MM INCH MM LB KG 4U 001 8 16 4U 19 00 482 6 18 30 464 8 17 36 440 9 4 00 101 6 6 97 177 1 9 3 4 2 4U 002 6 12 4U 15 06 382 6 14 36 364 7 13 42 340 9 7 6 3 5 4U 003 4 8 4U 11 13 282 6 10 43 264 9 9 49 241 1 5 9 2 7 4U 004 3 6 4U 9 16 232 7 8 46 214 9 7 52 191 0 5 1 2 3 4U 005 2 4 4U 7 19 182 7 6 49 164 9 5 55 141 0 4 2 1...

Page 10: ... detection system when sources of high level radiation are being used in the immediate area Caution must be exercised if the detection system is turned off since the hazardous area will not be protected If the application requires continuous supervision by the detection system a Nuclear Surveillance system is needed Refer to form number 95 8256 or contact Det Tronics for complete information NOTE ...

Page 11: ...presence of UV absorbing vapors must be examined closely Some chemical and petrochemical vapors have very strong UV absorption characteristics See Table 2 Referring to Figure 8 and considering the conditions described above the criteria for selecting a correct system sensitivity adjustment can be established For example assume that the hazard to be protected is at a distance of 23 feet 7 meters fr...

Page 12: ...re an explosion proof installation an additional seal is also required at any point where the conduit enters a non hazardous area When pouring a seal the use of a fiberdam is required to assure proper formation of the seal The seals should never be poured in temperatures that are below freezing since the water in the sealing compound will freeze and the compound will not dry properly Contamination...

Page 13: ...me as in an electrical fire do not use UV detectors alone Mounting the Detector The following procedure should be used for mounting and wiring the detectors 1 Detectors should be located for the best unobstructed view of the area to be protected Detectors must be accessible for cleaning the viewing window and reflector rings Care must be taken so that dirt or other foreign material will not accumu...

Page 14: ...f the wires from individual detectors are connected to the R7404 Controller using a multiple conductor cable with a single outer shield and without twisted pairs careful placement of the individual detector leads is necessary to prevent cross talk between zones The individual B leads should be arranged around the outside of the cable with a ground lead between The inner layer of conductors should ...

Page 15: ...eight rockers which are opened or closed to select zone and detector combinations controller sensitivity fire logic output latching and time delay Figure 13 illustrates the left side of the R7404 and contains a short explanation of rocker switch usage SWITCH 3 FIRE LOGIC SETTING OP OPEN CL CLOSED DC DON T CARE A B A AND B SENSITIVITY SELECTION ROCKER 3 4 CLOSED 64 CPS ROCKER 3 3 CLOSED 32 CPS ROCK...

Page 16: ...ents 3 1 closed 8 cps 3 2 closed 16 cps 3 3 closed 32 cps 3 4 closed 64 cps The values of the closed rockers are added together The rockers can be set in any combination to give the sensitivity setting selected for the application up to 120 cps NOTE If no rockers are closed or if only rocker 3 1 is closed the controller responds to an 8 cps signal from the detector Refer to Figure 15 for an exampl...

Page 17: ...ns All electrical connections are made to the field wiring connector that is furnished with the controller Figure 20 shows the terminal configuration for the controller 8 7 6 5 4 3 2 OPEN NOTE THE VALUE OF ROCKERS SET IN THE CLOSED POSITION ARE ADDITIVE A0282 8 SECOND TIME DELAY 4 SECOND TIME DELAY 2 SECOND TIME DELAY 1 SECOND TIME DELAY 0 5 SECOND TIME DELAY NOT USED ROCKER 5 CLOSED 4 SECONDS ROC...

Page 18: ...KER OPEN CLOSED 8 7 6 5 SWITCH 3 SENSITIVITY ROCKER OPEN CLOSED 4 3 2 1 THE POSITION OF ROCKER NO 8 DIVIDES THE SYSTEM INTO TWO GROUPS OF FOUR OR ONE GROUP OF EIGHT SENSITIVITY COUNT SELECTED WHEN ROCKER IS IN CLOSED POSITION NOT USED SWITCHES CLOSED ARE ADDITIVE LATCHING OPEN NON LATCHING CLOSED R7404 SIDE VIEW Figure 19 System Layout Chart 100K R7484 OPEN COLLECTOR OUTPUT 1N4004 TYPICAL 60 VDC M...

Page 19: ...ld be considered an alternate method for use only where codes allow The system illustrated in Figure 24 furnishes solid state output signals from zones 1 through 8 Fire Logic A and B and the Alarm output External Accept and External Inhibit are shown connected for use in locations remote from the controller Other connections are not used in this configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Page 20: ...rs to be operating normally remove mechanical blocking devices and restore power to the extinguishing loads 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A 290 VDC B INPUT 1 B INPUT 2 B INPUT 3 B INPUT 4 B INPUT 5 B INPUT 6 B INPUT 7 B INPUT 8 D1 1 oi DRIVER D1 2 oi DRIVER D1 3 oi DRIVER D1 4 oi DRIVER D1 5 oi DRIVER D1 6 oi DRIVER D1 7 oi DRIVER D1 8 oi DR...

Page 21: ...C A B C D C7050 ZONE 2 A B C D C7050 ZONE 7 A B C D C7050 ZONE 8 A B C D A B C D C7050 ZONE 1 A B C D C7050 ZONE 3 A B C D C7050 ZONE 4 A B C D C7050 ZONE 5 A B C D C7050 ZONE 6 A B C D C7050 ZONE 2 A B C D C7050 ZONE 7 A B C D C7050 ZONE 8 A B C D J1 3 J1 5 J1 2 J1 13 A B C D J1 3 J1 4 J1 2 J1 20 A B C D J1 3 J1 5 J1 2 J1 21 A B C D J1 3 J1 6 J1 2 J1 14 A B C D J1 3 J1 6 J1 2 J1 22 A B C D J1 3 J...

Page 22: ...utomatic oi system continuously monitors the operation of the R7404 but does not monitor external relays or equipment that may be operated from the fire signal output the alarm signal output or the fault signal output It is important that the system be manually checked using the NORMAL mode checkout procedure on a regular basis The whole system including external equipment should be checked period...

Page 23: ...vation 1 Place the keylock switch in the NORMAL position 2 Shine the UV test light into a detector viewing window The corresponding ZONE LED turns on and flashes indicating the zone in which the detector is located The upper display shows the first zone activated The lower display shows a 6 The appropriate FIRE LOGIC LED s turns on if voting requirements are met 3 Turn off the UV source FIRE LOGIC...

Page 24: ...yCPIEngineering Silicone based lubricants should never be used if catalytic type combustible gas sensors are being used in conjunction with the UV detectors since inadvertent use of a silicone lubricant on or near the combustible gas sensor will cause irreversible damage to the sensing element A test form is supplied at the rear of this manual for recording maintenance performed on the system TROU...

Page 25: ...ault output remains ener gized 0 0 4 Low 290 vdc caused by a shorted A lead or controller malfunction 0 0 5 High 290 vdc caused by a failure in the regulating network in the controller Blank 1 8 6 Fire Output signal blinking ZONE OUTPUT LED indicates fire location Steady ZONE OUTPUT LED indicates that the detectors in that zone have responded to a UV signal but are no longer responding 7 Not used ...

Page 26: ...3 Air Shield provides a continuous flow of clean air across the viewing window of the detector to reduce the accumulation of certain types of airborne contaminants Q9001 Swivel Mounting Assembly for mounting the C7050 Detector Use the Q9001B for C7050 Detectors with aluminum housings and the Q9001H for C7050 Detectors with nickel brass and stainless steel housings R6006 Relay Output Module is used...

Page 27: ...7 1 25 95 8242 Fault Record Sheet Date Time Detector System Status Operator Comments Affected ...

Page 28: ...7 1 26 95 8242 Recommended Test Form Detector Detector Date Date Date Number Location Installed Checked Calibrated Remarks ...

Page 29: ...ainless 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 Clas...

Page 30: ...clipse are registered trademarks or trademarks of Detector Electronics Corporation in the United States other countries or both Other company product or service names may be trademarks or service marks of others Copyright Detector Electronics Corporation 2010 All rights reserved X3301 Multispectrum IR Flame Detector PointWatch Eclipse IR Combustible Gas Detector Eagle Quantum Premier Safety System...

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