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Model 2002 Type X Rapid Exchange Purge System

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1. EXP EPCU g eva display display enclosure EXP EPCU EXP L i enclosure breather W J drain 3 Model 2002 STD CB LH Model 2002 FA CB LH Front View Front View ject to modifications without noti right P rl Fuch Se aon i o I 1 330 486 0002 Germany 49 621 776 2222 raor wore ci E PEPPERL FUCHS 23 www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS a Operating Sequence WARNING Do not exceed a safe pressure with the enclosure pressure control regulator Operators must follow step by step sequence of the start up instructions nameplate on the protection system Do not use the bypass modes without first securing a hot work permit Never leave the system unattended in bypass modes Rapid Exchange Purging Operation With the inert gas supply on RET timer set properly STD and SA Styles EDT SLT and RET timers set properly FA Styles EPCU power and alarm system energized if utilized 1 Carefully read start up instruction nameplate on system 2 Check operation of the enclosure protection vent model EPV 2 if utilized opening it manually several times See page 22 Helpful Hint 3 Seal protected enclosure s 4 Depress the on off pushbutton NR mode or turn selector switch to the on position CB mode Each LED should illuminate fully for two seconds then all LEDs should turn off except pow
2. li EPCU 120 240 VAC Power control switch cable header Pressure switch cable header Logic module Cable header Redundant safe pressure relay Alarm relay varan OL raya A dexe Enclosure power relays Power module wiring terminal power module VAC amp VDC Power Module Electrical Wiring Diagram Field wired power module terminals EPCU power supply terminals 120 VAC Isolated Isolated enclosure Alarm power relays relay NO NO NO NC Gnd Hot Neu 240 VAC optional voltage Gnd Hot Neu European single phase 240 VAC only Power and alarm terminals are feed thru dry switch contacts Caution should be exercised to ensure that the EPCU wiring is properly connected All terminal connections to the EPCU should be wired with spade or round lugs Subject to modifications without notice Pepperl Fuchs Group www pepperl fuchs com USA 1 330 486 0002 pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Enclosure power NO Com NC supply Remote alarm terminals relay terminals Using 12 gauge maximum to 16 gauge minimum wire only check EPCU power requirements See page 14 and wire to the EPCU power source and alarm system if utilized Then route power source s through the EPCU power in and out terminals to all non rated devices within the protected enclosure s Copyright Pepperl Fuchs Singapore 65 6779 909
3. Enclosure pressure gauge Rapid exchange gauge Rapid exchange solenoid Tube fittings amp valves Tubing System nameplates Fastener hardware Mounting plate EPCU enclosure body Conduit amp fittings SA amp FA Galvanized steel Enclosure warning nameplate Silkscreened SS Lexan is a registered trademark of the General Electric Corporation Zinc w enamel finish Polycarbonate Alum w enamel finish Poly case amp brass tube Brass w enamel finish 316 SS forged body 316 SS 1 4 035 welded Silkscreened Lexan amp SS SS screws amp bolts 316 14 ga 3 brush SS Bead blast cast alum Recommended Spare Parts Qty Description Part supercedes 1 Enclosure pressure indicator 510023 001000 1 1 4 filter regulator 510057 002040 1 Enclosure pressure control valve 510116 003440 1 Rapid Exchange valve body STD style 510118 003460 1 1 4 Solenoid valve body SA amp FA style 510075 002220 1 Safe pressure switch 510356 005200 1 Rapid Exchange pressure switch 510358 005210 1 Series 2000 logic module Ver 2 0 510279 005000 1 Series 2000 VAC power module 510304 005020 1 Series 2000 VDC power module 510305 005021 1 Installation amp operation manual 129 0211 1 Enclosure warning nameplate Cl 513008 EWN 1 Reference part number above for current spare parts pricing Immediate pricing is available to all confirmed customers Installation Tools amp Testing Equipment 1 2 chuck drill Complete
4. 90 configured vents can be tested by removing the pipe plug at the bottom of the mounting tee Multiple operations require only one test per day if enclosure is not opened or left unattended The volume exchange rate is based on a four 4 enclosure volume exchange Multiply the required exchange time by 2 5 for applications requiring a ten 10 volume exchange motors The start up instructionnameplate exchange time slot will feature the standard factor for this system ONE MINUTE PER CUBIC FOOT but the unit may feature a set of direct factor nameplates with self adhesive backing such as TEN MINUTES for application to the start up instructions dependent on how the system was specified and purchased Field modification of this nameplate to show a direct factor is acceptable as noted above if the method used to mark the nameplate does not deface the instructions listed Materials used for the marking must be indelible and withstand prevailing environmental conditions Model 2002 Rapid Exchange Purging Set up 1 Close the enclosure pressure control regulator all styles and Rapid Exchange control valve STD Style only fully by turning clockwise CW 2 Connect the inert gas supply to the system supply Inlet and set the Rapid Exchange pressure gauge to 60 psi 3 Temporarily connect a 0 5 inch water column pressure gauge or manometer to the protected enclosure 4 Check operation of enclosure protection v
5. 1 For system supply on PM configurations one 1 additional EBC 4 or equivalent 1 4 through bulkhead fitting per system is required 2 For atmospheric reference one 1 PRB 4 or equivalent 1 4 female bulkhead fitting and stainless steel sintered element is required PRB 4 SYSTEM ATMOSPHERIC REFERENCE FITTING Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com F2PEPPERL FUCHS 4 PROTECTING YOUR PROCESS B Model 2002 Installation and Operation Manual Enclosure pressure gauge Enclosure reference inlet Enclosure pressure control valve EPCU pressure reference tubing Flame arrestor fitting Rapid Exchange control valve Filter regulator System supply inlet Enclosure supply outlet Mounting plate Venturi orifice Enclosure pressure gauge Enclosure reference inlet Enclosure pressure control valve EPCU pressure reference tubing Flame arrestor fitting PM Configuration Connection Points Enclosure pressure gauge Atmospheric reference inlet Enclosure pressure control valve EPCU atmospheric reference tubing Flame arrestor fittings Subject to modifications without notice USA 1 330 486 0002 pa info us pepperl fuchs com 1 2 Pepperl Fuchs Group www pepperl fuchs com ee Rapid Exchange control valve Germany 49 621 776 2222 pa info de pepperl fuchs com Filter egulator
6. 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 Fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS 5 L Getting Started Typical Single Protected Enclosure Connections ENCLOSURE PROTECTION VENT 1 2 PROTECTIVE GAS SUPPLY Optional HEADER Se a REFERENCE lk s aa ani ka en ae ENCLOSURE l l F PROTECTION V l SYSTEM SUPPLY l l om H E A B C D E d Description System Enclosure Enclosure Multi enclosure Optional remote supply tubing supply reference connections renting eae 1 4 O D tubing 1 4 O D tubing 1 4 O D tubing 3 4 I D pipe 3 4 D pipe Tubing or pipe diameter tully reamed tully reamed tully reamed tully reamed tully reamed Maximum tubing pipe length and 20 feet 5 feet 20 feet 10 feet 30 feet T number of bends elbows 10 bends 5 bends 10 bends 5 elbows 5 elbows J TYPICAL MULTIPLE PROTECTED ENCLOSURE CONNECTIONS PRO CAVE B an GAS SUPPLY DED ee E resce BOA Sn 2 HEADER PROTECTED ci ENCLOSURE SUPPLY ENCLOSURE eddies 1 PROTECTED PROTECTION aoe eee t bes ly ENCLOSURE SYSTEM ea ee DT Ak REFERENCE L Sees F iL en e a ae a a car se me eee Ney ee me se mpc ee a ee ete ee I A ey NOTE Tube and pipe sizes are trade sizes an
7. 4339 9935 E Mail pa info us pepperl fuchs com E Mail pa info br pepperl fuchs com FJ PEPPERL FUCHS www pepperl fuchs com PROTECTING YOUR PROCESS Subject to modifications e 2009 PEPPERL FUCHS INC Printed in USA Part No 512352 Drawing No 129 0211a TDOCT1365_ENG 03 09
8. 621 776 2222 Singapore 65 6779 9091 Fa PEPPERL FUCHS 29 www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS System Maintenance Regular Maintenance Drain the protection system regulator frequently and clean system with nonsolvent cleaning agents only Long Term Maintenance Calibrate the enclosure pressure indicator to 0 inches by venting the purge pressure reference port and the protected enclosure to atmosphere and adjusting the calibration screw in the lower center portion of the indicator s face Fully open the enclosure pressure control regulator to blow out any deposits around the tip of the valve and to ensure that the enclosure protection vent is operating properly then carefully readjust system according to the set up procedure and operating sequence on pages 22 24 Replace or tighten stem packing nut as required to prohibit stem packing leakage Carefully disassemble the enclosure protection vent by loosening the two bottom hex nuts that hold the unit together DO NOT REMOVE CAP NUTS ON TOP OF VENT BODY Carefully clean the flapper valve and vent body seats with warm soap and water being careful not to extend the vent valve beyond its normal opening point and being careful not to exert any stress on the valve hinge Examine the entire protection system and the protected enclosure s and replace any defective parts during routine shutdown o
9. a time delay after Rapid Exchange pressure is detected to allow four volume exchanges ten volumes for motors prior to energizing the enclosure power relays In Class areas only if Rapid Exchange pressure is lost or interrupted during time delay cycle the EPCU will reset EDT SLT amp RET Timer Settings Rotary switch body EDT amp SLT Timer RET Timer POSITION TIME IN SECONDS POSITION TIME IN MINUTES 0 5 0 5 1 10 1 10 2 15 2 15 3 20 3 20 4 25 4 25 5 30 5 30 6 35 6 35 7 40 7 40 8 45 8 45 9 50 9 50 A 55 A 55 B 60 B 60 C 65 C 65 D 70 D 70 E 75 E 75 F 80 F 80 NOTE Power must be removed from the EPCU via the local disconnect switch for approximately 10 seconds for timer adjustments to reset Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com FIPEPPERL FUCHS 94 PROTECTING YOUR PROCESS L Set up Procedure IMPORTANT NOTES Regardless of any condition the Type X Rapid Exchange system is designed to automatically withhold power to the protected enclosure while inducing Rapid Exchange for at least five 5 minutes Normal exchange times should be doubled if large obstructions block inert gas flow To test the vent s operation gently prod the vent flapper open with a soft pointed object example eraser end of a pencil ensuring that the vent valve works freely On vertically configured vents this can be accomplished from within the protected enclosure Side mounted
10. covers One 1 EWN is provided with each system located in the manila envelope taped to the mounting flange of the system Additional EWNs are available from Pepperl Fuchs All EWNs provide labeled spaces allowing the customer to mark the protected enclosure with 1 a T Code temperature identification number 2 Class Group and Division of surrounding area and 3 NFPA pressurization Type X Y or Z as may be required by plant and local codes and is required by NFPA 496 An ETW Enclosure Temperature Warning nameplate must be located in a prominent position on or near all enclosure accesses doors and covers when the temperature of an internal component exceeds 80 percent of the ignition temperature of the flammable vapor gas or dust involved An ETW warns the operator to deenergize all equipment for a specified length of time allowing the protected equipment to cool before opening the protected enclosure The length of time required is determined by the customer and can be factory or field engraved All EWNs and ETWs are furnished with an adhesive back but should also be riveted or screwed to the protected enclosure WARNING PRESSURIZED ENCLOSURE THIS ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA IS KNOWN TO BE FREE OF FLAMMABLE MATERIALS OR UNLESS ALL DEVICES HAVE BEEN DE ENERGIZED POWER SHALL NOT BE RESTORED AFTER ENCLOSURE HAS BEEN OPENED UNTIL ENCLOSURE HA BEEN PURGED IN ACCORDANCE WITH THE PURGE SYSTEM START UP I
11. info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Pneumatic Connection Requirements ALL FITTINGS MAY BE CUSTOMER OR FACTORY FURNISHED 1 For system supply one 1 SC 4 1 4 male straight connector or one 1 NC 4 1 4 male elbow connector or equivalent fitting per system NOTE Above fitting is required only if protection system is furnished with an optional in line filter kit model ILFK accessory One 1 similar fitting which will connect the inert gas supply tubing to the inert gas supply header connection point and one 1 lot of 1 4 O D 035 wall thickness welded or seamless stainless steel tubing 2 For enclosure supply one 1 EFC 4 1 4 flush connector or one 1 EBC 4 1 4 feed through connector or equivalent fitting per system 3 For enclosure reference one 1 EFC 4 1 4 flush Connector or one 1 EBC 4 1 4 feed through connector or equivalent fitting per system 4 One 1 lot of 1 4 O D 035 wall thickness welded or seamless stainless steel tubing 5 For multiple enclosure connections two 2 EPC 10 1 2 pipe mounting hubs or equivalent and 1 2 150 rated pipe couplings amp unions per interconnection One 1 lot 150 rating 1 2 galvanized or aluminum pipe and fittings fully reamed and unrestricted PM Pneumatic Connection Requirements In addition to item numbers 1 4 and 5 above the following fittings are required for all PM configurations
12. notice Copyright Pepperl Fuchs Pepperl Fuchs Group 7 USA 1 330 486 0002 Germany 49 6217762222 Singapore 65 6779 9091 J PEPPERL FUCHS 17 www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS a Conduit Installation EPCU Electrical Conduit Unplug the four unlabeled conduit entrances located on the sides and bottom of the EPCU enclosure See page 15 EPCU Layout for conduit entrance layout The installer must mount the Type 7 drain fitting supplied with the system except for PM configurations in one of the bottom conduit entrances of the EPCU or utilize drain seals on all conduit connected to the bottom two 2 conduit entrances of the EPCU Following the instructions listed below install all conduit fittings and seals or drain seals if utilized between the EPCU alarm system if utilized and the protected enclosure s Plug all remaining EPCU conduit entrances 1 Choose the location for the enclosure s electrical conduit connection s based on the requirements on page 14 Electrical Supply Requirements 2 Drill and deburr enclosure conduit fitting holes in the protected enclosure Mount the fittings 3 Determine appropriate route for the enclosure electrical enclosure and alarm signal conduit 4 Measure cut and thread conduit check conduit fit to insure proper seating Fully ream all conduit 5 Install co
13. set of drill bits 1 2 amp 3 4 conduit Knockout punch or 1 hole saw Complete set of tubing conduit bending instrument fitting and electrical craftsman hand tools 0 5 differential pressure gauge or manometer connected to the protected enclosure to measure maximum pressure Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com FJ PEPPERL FUCHS 3 PROTECTING YOUR PROCESS a Model 2002 System Accessories Enclosure Protection Vents one required with each system EPV 2 SA 00 Straight w spark arrestor EPV 2 SA 90 Rt angle w spark arrestor Additional Items SMK 2 3 or 10 System mounting kit RAH Div 1 remote alarm horn RAB 1 Div 1 remote alarm beacon LCK L fitting conduit kit TCK T fitting conduit kit SRM 4000 Switch resistor module Nu P F NAMUR sensor NC 4 1 4 ninety connector SC 4 1 4 straight connector EFC 4 1 4 flush connector EBC 4 1 4 bulkhead connector EPC 12 3 4 pipe connector Factory Installed Items IS1 Channel A barrier IS2 Channel B barrier IS3 Channel C barrier RP1 Redundant safe pressure pwitch RP2 Redundant Rapid Exchange pressure pwitch L Key lock assembly Requires custom programming information Enclosure Design Requirements 1 All windows must be shatterproof and sized as small as possible 2 All NFPA 496 required markings must be placed on or near all enclosure doors and covers 3 The enclosure must withstand an internal pressure of f
14. timer Should the operator require additional time to set a stable safe pressure on the enclosure pressure indicator reset the EDT timer setting as described on page 21 Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 L Set up Procedure cont 13 STD Style Open Rapid Exchange control valve fully by turning 90 CCW and quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should be on Check for trip point by turning Rapid Exchange control Valve on and off The Rapid Exchange and timer running LEDs should turn on and off as exchange is engaged and disengaged without disturbing the status of the safe pressure LED SA Style Place left hand on system mounting plate and pull Rapid Exchange manual operator firmly with right hand until solenoid latches to hold valve open automatically then quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should be on Check for trip point by turning EPCU power switch off and on to reset unit The Rapid Exchange and timer running LEDs should not turn on until valve is more than half open Allow system to run through RET timer cycle and watch for solenoid to disengage The valve should be able to shut off without disturbing the status of the safe
15. 1 El PEPPERL FUCHS 19 pa info sg pepperl fuchs com PROTECTING YOUR PROCESS a Logic Module amp Barrier Wiring EPCU Logic Module amp Pressure Switch Module Barrier fault amp active status indicators Primary microprocessor Barrier C socket Barrier B installed Barrier A socket Barrier wiring terminal R HDC MAEN irepl Ue Pressure switch a LED status calibration access display EPCU Logic Module Optional ISB Wiring Requirements BLUE BROWN INTRINSICALLY SAFE AUXILIARY INPUTS All optional intrinsic safety IS wiring must be isolated from all other electrical wiring using the dedicated IS conduit entrances and wireway of the EPCU See Optional ISB Conduit Installation on page 18 for more details In addition all wiring must be installed in accordance with the NEC and all relevant local and plant codes The intrinsic safety barriers are designed to function in conjunction with a customer furnished switch and SRM 4000 switch resistor module or an NJ NAMUR sensor The customer supplied switch must have dry contacts which contain no inductance or capacitance The SRM 4000 switch resistor module and the NJ NAMUR sensor are supplied with approximately ten 10 feet of wiring Using 16 to 18 gauge shielded wire the cable lengths can be extended to a maximum of 100 feet In all applications the module of the switch resistor module cable must be installed as close to the custome
16. 2 pa info de pepperl fuchs com EPCU Conduit Connection Parts Fitting Kits Can Be Factory Furnished 1 To connect enclosure power from the EPCU to the protected enclosure one 1 LCK L fitting Conduit Kit or equivalent conduit elbow coupling and seal fittings 2 For EPCU to enclosure wiring connection with one 1 additional conduit connection path one 1 TCK T fitting Conduit Kit or equivalent conduit tee coupling and seal fittings IMPORTANT NOTE Model LCK amp TCK are offered primarily to OEMs attempting to achieve a field ready installation In all cases limited pipe fitting skills will be required Pre cut 150 galvanized steel pipe nipples can be acquired from local plumbing shops but a hole saw or punch and wrenches are required to install kits a oa Y w TCK T Fitting Conduit Kit amti a m a ap WO LCK L Fitting Conduit Kit Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com Z PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 EPCU 120 240 VAC Power Module Layout Voltage seader factory set for 120 VAC power 1 Amp input fuse Rapid Exchange solenoid valve RESV RESV factory wiring terminal 20 Amp enclosure Isolated coil voltage transformer input selector relay power fuse E E BX Ms 2 tA S 3
17. G YOUR PROCESS Typical Panel Frame Mounted System 7 Hardware Mounting Optional Enclosure Protection Vent All configurations must be mounted in a true vertical position The vent must be located to provide access for routine testing of the vent s flapper assembly A minimum 8 clearance is required below the vent opening 1 Determine the vent s mounting configuration i e 00 vertical mount or 90 side mount See photos below Determine vent location and layout vent mounting hole on the protected enclosure as determined on page 6 Getting Started Using a 1 hole saw or 3 4 conduit punch drill and deburr the enclosure protection vent mounting hole Remove the hub mounting nut from the vent hub and place the hub with O ring intact through the mounting hole The O ring must be on the outside of the protected enclosure Reinstall the hub mounting nut to the mounting hub from inside the protected enclosure and tighten a A WARNING NOTICE THIS VENT MUST BE TESTE PRIOR TO OPERATION OF Ti PROTECTION SYSTEM RE BLUNT OBJECT TO PRI EPV 2 SA 00 Vertical Mount WARNING NOTICE THIS VENT MUST BE TESTED PRIOR TO OPERATION OF THE PROTECTION SYSTEM SE BLUNT OBJECT TO PROD FLAPPE EPV 2 SA 90 Side Mount Subject to modifications without notice Warning Nameplate s An EWN Enclosure Warning Nameplate must be located in a prominent position on or near all enclosure accesses doors and
18. NSTRUCTION i L Z4 He AREA CLASSIFICATION PRESSURIZAT Enclosure warning nameplate Class WARNING PRESSURIZED ENCLOSURE THIS ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA IS KNOWN TO BE FREE OF FLAMMABLE MATERIALS OR UNLESS ALL DEVICES HAVE BEEN DE ENERGIZED POWER SHALL NOT BE RESTORED AFTER ENCLOSURE HAS BEEN OPENED UNTIL COMBUSTIBLE DUSTS HAVE BEEN REMOVED AND THE ENCLOSURE REPRESSURIZED IN ACCORDAN WITH THE PRESSURIZATION SYSTEM START UP INSTRUCTION AREA CLASSIFICATION PRESSURIZATION TYPE TEMPERATURE CODE Enclosure warning nameplate Class ll NFPA Code 496 ISA Code 512 4 WARNING NOTICE THIS ENCLOSURE CONTAINS HOT COMPONENTS ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA lS KNOWN TO BE NONHAZARDOUS OF UNLESS ENCLOSURE POWER HAS BEEN DEENERGIZED FOR THE TIME SPECIFIED BELOW Enclosure temperature warning nameplate Copyright Pepperl Fuchs Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 2002 LH Left hand configuration u gc696 8 2002 TM Top mount configuration Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl
19. P The Limited Warranty shall not apply to any cables attached to or integrated with any Products The Limited Warranty shall not apply to any Products which are stored or utilized in harsh environmental or electrical conditions outside P F s written specifications THE LIMITED WARRANTY SET FORTH HEREIN IS THE ONLY WARRANTY MADE BY P F WITH RESPECT TO THE PRODUCTS IT IS EXPRESSLY AGREED AND UNDERSTOOD THAT P F MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE EXCEPT FOR THE LIMITED WARRANTY SET FORTH HEREIN THERE IS NO OTHER WARRANTY EXPRESS IMPLIED OR STATUTORY AND THERE IS NO AFFIRMATION OF FACT OR PROMISE BY P F WITH REFERENCE TO THE PRODUCTS IN NO EVENT SHALL P F BE LIABLE FOR ACTUAL OR ANTICIPATED LOST PROFITS OR FOR INCIDENTAL OR CONSEQUENTIAL OR PUNITIVE DAMAGES OR FOR DAMAGES RESULTING FROM BUSINESS INTERRUPTION OR INJURY OR DEATH OF PERSONS OR INJURY TO PROPERTY P F S LIABILITY ON ANY CLAIM OF ANY KIND ARISING OUT OF CONNECTED WITH OR RESULTING FROM THE DESIGN MANUFACTURE SALE REPAIR OR OPERATION OF A PRODUCT SHALL NOT EXCEED THE PRICE ALLOCABLE TO THAT PRODUCT OR THE PART THEREOF WHICH GIVES RISE TO THE CLAIM THE REMEDY SET FORTH IN THIS LIMITED WARRANTY CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER P F SHALL NOT BE LIABLE FOR PENALTIES OF ANY DESCRIPTION 4 Limitation of Remedies In the event of P F s liability whether on this Limited Warranty or based on contract tort includ
20. PROCESS AUTOMATION INSTALLATION AND OPERATION MANUAL MODEL 2002 TYPE X RAPID EXCHANGE PURGE SYSTEM PEPPERL FUCHS Table of Contents Page 2 System Purpose and Description Purpose System description Important notes Page 3 Identifying Your System Defines specific features of the system General Information System amp material specifications Spare parts Tools amp test equipment System accessories Page 3 Page 4 Enclosure and Device Design Design requirements Adjacent enclosures Device ventilation Temperature limitations Installation Overview Installation diagram Getting Started Establishing connection sizes Determining enclosure inlet amp outlet connection locations Page 5 Page 6 Page 7 System Mounting LH RH TM BM amp WM configurations FM amp PM configurations Hardware Mounting Enclosure protection vent Warning nameplates Page 8 Page 9 Mounting Plate Dimensions Mounting plate dimension diagrams Page 10 Pneumatic Tubing Requirements Protective gas supply requirements Pneumatic connection requirements Page 12 Tubing Connection Points LH RH TM BM WM FM amp PM configurations Tubing Installation LH RH TM BM WM FM amp PM Tubing configurations Page 13 Page 14 Electrical Supply Requirements General wiring requirements EPCU power amp alarm signal Enclosure wiring methods amp connections Electrical Power Control Unit General layout amp
21. System upply inlet Enclosure supply outlet RESV conduit Mounting plate Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com SA amp FA Style with Rapid Exchange Solenoid Valve HELPFUL HINT Pneumatic connections are bolded Tubing Connection Points LH RH TM BM WM amp FM Configuration Connection Points Rapid Exchange control valve Filter egulator System supply inlet Enclosure supply outlet RESV conduit Mounting plate Venturi orifice not visible J PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 L Tubing Installation HELPFUL HINTS All work must be performed by technicians qualified in pneumatic tubing and electrical conduit installation Pepperl Fuchs recommends the use of 035 wall thickness welded or seamless stainless steel tubing If flexible tubing is used it must be installed in a manner that protects it from damage and corrosion Tubing LH RH TM BM WM amp FM Configurations System supply connections 1 Select or install a protective gas supply header tap fitted with the proper tube size fitting and located within twenty 20 feet of the enclosure protection system 2 If a service valve is placed between the protective gas supply header and the enclosure protection system it must be installed in close prox
22. able in STD style General Information System Specifications System dimensions Shipping weight Ibs See Pages 9 amp 10 STD 45 SA amp FA 47 Operating temp range 20 F 120 F Supply pressure range 80 120 psi max When using the optional inline filter max supply pressure is 80 psi Capacity amp filtration 1 5 oz 20 microns Supply requirements Clean air or inert gas Safe pressure setpoint 0 25 safe press Safe pressure flowrate 0 1 3 5 SCFH Exchange pressure 3 5 Exchange flowrate 4 SCFM 240 SCFH Exchange time 1 minute cubic ft System supply port 1 4 FPT 1 4 tube fitting 1 4 tube fitting 1 2 FPT 120 VAC 60 Hz 10 240 VAC 50 Hz 1 500 mA Enclosure supply fitting Enclosure reference fitting EPCU Conduit port size EPCU power fequirements European 220 voltage only EPCU power consumption Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com 20 Amps 240 VAC 20 Amps 28 VDC 20 Amps 48 VDC 20 Amps 240 VAC 20 Amps 28 VDC 15 Amps 240 VAC 10 Amps 28 VDC Enclosure integrity determines actual flow rate Power relay contacts Alarm relay N O contact Alarm relay N C contact With regulator set to 60 psi min during exchange Material Specifications Filter regulator body Regulator handle amp bowl
23. aged and the enclosure can then be accessed without deenergizing power performed under specific conditions Following access safe pressure must be reestablished to resume normal operation At that time the switch may be reset to the on position without disruption of enclosure power Alarm relay normally deenergizes only upon loss of safe pressure but can be factory programmed to deenergize when bypass is engaged if specified at time of order Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 Barriers amp Field Adjustments Optional Intrinsic Safety Barriers Description The EPCU Logic Module can accommodate up to three intrinsic safety barriers to interact with remote devices and affect operation of the EPCU The barriers are installed and programmed by the factory at time of order and they are designed to function either in conjunction with a customer furnished switch and a Pepperl Fuchs furnished resistor network cable or a Pepperl Fuchs furnished proximity detector Each barrier develops a low power signal to create a two wire closed loop circuit Operational status of each barrier is indicated by a green LED to show active closed switch status and by a red LED to show faulted line breakage cable status All barriers can be reprogrammed to duplicate o
24. conduit connection points EPCU Power Rating Power rating nameplate Assembled electronics Page 15 Page 16 Page 17 Electrical amp Pneumatic Diagrams LH RH TM BM WM FM amp PM configurations Conduit Installation EPCU electrical conduit Optional intrinsic safety Barrier conduit and EPCU conduit connection parts Page 18 Page 19 Power Modules amp Wiring Diagram EPCU 120 220 VAC amp 24 48 VDC power modules Logic Module amp Barrier Wiring Optional ISB wiring requirements amp diagram EPCU power control modes Page 20 Page 21 Barriers amp Field Adjustments ISB description amp factory programming LED display indicators Timer functions amp settings Page 22 Set Up Procedure Rapid Exchange purging set up Page 23 Set Up Procedure cont Rapid Exchange purging set up Subject to modifications without notice 2 Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Page 24 Operating Sequence Class purging operation Page 25 Page 26 Troubleshooting Procedures Warranty and Liability Statements Warranty notes General terms Limitations Page 27 Customer Notes Page 30 Page 31 Purpose and Description Purpose Pepperl Fuchs Bebco EPS System allows the use of general purpose or nonrated electrical or electronic devices with exception to devices that produce excessive heat utiliz
25. d are not equal in inside diameters DO NOT substitute tube for pipe with same trade size HELPFUL HINTS To ensure adequate protective gas flow to the protected enclosure s all piping and tubing must be fully reamed Precautions must be taken to prevent crimping and other damage to protective gas piping and tubing When protecting multiple enclosures with a single enclosure protection system the enclosures must be connected in series from the smallest to the largest to ensure adequate protective gas flow Determining Enclosure Inlet amp Outlet Connection Locations Connections for heavier than eee HELPFUL HINTS If flammable gases are lighter than air the inlet connection to each enclosure must enter near a bottom corner The outlet connection for an optional enclosure protection vent or piping to an adjacent protected enclosure must exit near an extreme opposite top corner See diagrams to the left OUTLET air gases and vapors If flammable gases are heavier than air inlet and outlet connections must be reversed In all cases the most prevalent gas must determine the location of inlet and outlet connections Connections for lighter than air gases and vapors Subject to modifications without notice Copyright Pepperl Fuchs Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs c
26. demanding needs of industry Resulting from our world wide presence and our high flexibility in production and customer service we are able to offer complete individual solutions wherever and whenever you need us We are the recognized experts in our technologies Pepperl Fuchs has earned a strong reputation by supplying Ss industry companies the with the broadest line of proven components for a diverse range o ion Worldwide German Headquarters Pepperl Fuchs GmbH 2 Mannheim Germany Tel 49 621 776 2222 E Mail pa info de pepperl fuchs com Asia Pacific Headquarters Pepperl Fuchs PTE Ltd Singapore Company Registration No 199003130E Tel 65 6779 9091 E Mail pa info sg pepperl fuchs com r Central Western Europe amp L Africa Headquarters El Northern Europe Headquarters Pepperl Fuchs N V Pepperl Fuchs GB Ltd Schoten Antwerp Belgium Oldham England Tel 32 3 6442500 Tel 44 161 6336431 E Mail pa info be pepperl fuchs com E Mail pa info gb pepperl fuchs com Middle East Headquarters Southern Eastern Europe Headquarters Pepperl Fuchs M E FZE Pepperl Fuchs Elcon srl Dubai UAE Sulbiate Italy Tel 971 4 883 8378 Tel 39 039 62921 E Mail pa info ae pepperl fuchs com E Mail pa info it pepperl fuchs com North Central America Headquarters El South America Headquarters Pepperl Fuchs Inc Pepperl Fuchs Ltda Twinsburg Ohio USA Sao Bernado do Campo SP Brazil n o Tel 1 330 486 0002 Tel 55 11
27. e area classification and type as noted below Model 2002 STD CI Type X 15 CUBIC FEET MAXIMUM ENCLOSURE VOLUME CLASS DIVISION 1 GROUPS C amp D TO NONHAZARDOUS S oS is H US T3C APPROVED PURGE CONTROL FOR USE IN HAZARDOUS LOCATIONS CLASSIFIED BY UNDERWRITERS LABORATORIES INC INACCORDANCE WITH THE NATIONAL FIRE PROTECTION ASSOCIATION STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT NFPA 496 1996 4511 APPROVED BY FM APPROVALS AS ASSOCIATED TYPE X PRESSURIZATION CONTROL EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS REDUCES THE INTERNAL AREA OF A CONNECTED ENCLOSURE IN ACCORDANCE WITH DRAWING NUMBER MCL 2002 2002 STD CI NR LH Series Model Number System Style STD Standard SA Semiautomatic FA Fully Automatic Area Classificatio CI Class l Group C amp D Area IB Class l Group B Area STD Only Power Control Mode NR Normal Running CB Conditional Bypass Mounting Configuratio LH lefthand RH righthand TM top mount BM bottom mount WM wall mount FM frame mount external frame or rack PM panel mount enclosure surface cutout FM amp PM configurations feature flush mount EPCU Flush mount EPCU is not suitable for Group B Area Additional factory installed accessories left side of enclosure right side of enclosure top of enclosure bottom of enclosure wall surface NOTE Only FM certified Group B system avail
28. e combustible gas or expose arcing contacts to the hazardous atmosphere in NEMA National Electrical Manufacturers Association 4 or 12 enclosures in the place of explosion proof NEMA 7 enclosures Other purposes include heat moisture and dust contamination prevention System Maintenance Systems Identification amp Application Information Description Model 2002 Rapid Exchange purging system operates on a supply of compressed instrument air or inert gas It regulates and monitors pressure of sealed protected enclosure s in order to rapidly remove and prevent flammable vapor accumulation within the enclosure s The system is designed to accomplish four air exchanges and maintain a safe 0 25 pressure on one or more enclosures not exceeding a total volume of fifteen cubic feet An EPV 2 enclosure protection vent is required for proper operation In addition the system includes an electrical power control unit EPCU that monitors system operation and controls enclosure power All start up requirements must be satisfied before the EPCU will energize power to the enclosure s This process reduces the hazardous classified area rating within the enclosure s in accordance with the NEC NFPA 70 Article 500 NFPA 496 and ISA 12 4 Important Notes One 1 permanent file copy and one 1 operations copy of this manual must be studied and retained by the operator of this system User s agents are responsible for transferring
29. ear to be operating properly Possible Causes Leakage around gasketing covers seams piping and tubing connections conduit connections and electrical conduit seals of the enclosure Insufficient enclosure leakage or opening of the venturi orifice is crimped too small Excessive leakage from protected enclosure Insuffcient protective gas supply header pressure Conduit seal between EPCU and protected enclosure is not poured or is leaking pressure back into the EPCU EPCU breather drain is clogged all systems except PM configurations Safe pressure switch is out of calibration Conduit seal between EPCU and protected enclosure is not poured or is leaking pressure back into the EPCU EPCU breather drain is clogged all systems except PM configurations Rapid Exchange pressure switch is out of calibration Persisting problems Troubleshooting Procedures Corrective Action Tighten enclosure latches Where tightening is not feasible and gasketing materials are not practical holes or gaps can be closed with silicone sealant applied from inside the protected enclosure Remove the orifice cut off the crimped end and ream the tube then recrimp and reinstall the tube to note effect As tube is shortened reamed and recrimped sensitivity decreases allowing easier adjustment of setpoint on the enclosure Check all points above and verify a minimum 60 psi injection pressure reading on the Rapid Exchange
30. ent as detailed above See Important Notes 5 Seal enclosure s and adjust enclosure pressure control valve by opening slowly counterclockwise CCW to set a safe pressure on the enclosure pressure gauge Note If pressure setting is difficult to stabilize or set see page 25 Troubleshooting Procedures Subject to modifications without notice 22 Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com STD Styles Open Rapid Exchange control valve fully by turning 90 CCW and quickly ensure the enclosure protection vent opens SA amp FA Styles With the aid of an assistant having two 1 2 combination wrenches on hand place left hand on system mounting plate and pull Rapid Exchange manual operator firmly with right hand and quickly ensure the enclosure protection ventt opens If enclosure protection vent operates properly have assistant carefully place the open end of both wrenches behind handle to hold the manual operator in the out position temporarily Note The enclosure pressure gauge should move quickly off scale to the right this is normal for all Rapid Exchange purging systems Readjust the regulator to 60 psi minimum while inducing Rapid Exchange the test gauge should then read approximately 2 inches of pressure and should not fluctuate insufficient enclosure pressure will cause the enclosure protection vent to shuttle DO NOT exceed 5 inches of pressure wi
31. er off solid red and alarm activated flashing red LEDs 5 Turn enclosure pressure control regulator slowly CCW to set the enclosure pressure indicator to a safe 0 25 inch pressure The safe pressure LED should be on the alarm active LED should turn off 6 STD Style Open Rapid Exchange control valve fully by turning 90 CCW and quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should turn on SA Style Place left hand on system mounting plate and pull Rapid Exchange manual operator firmly with right hand until solenoid latches to hold valve open automatically then quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should turn on FA Style Rapid Exchange solenoid valve will engage automatically upon time out of the EDT timer then quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should be on and SLT Timer will be running Note On all styles if the safe pressure or timer running LEDs blink on and off or flicker during this cycle EPCU will reset RET timer Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com 24 Germany 49 621 776 2222 pa info de pepperl fuchs com 7 Standby until the EPCU RET timer completes the timing cycle and energizes enclosure power Safe pressure LED should stay on timer ru
32. f the protected enclosure s Parts are available from Pepperl Fuchs on immediate notice as required MAINTENANCE SCHEDULE Dae Work performed Performed by Subject to modifications without notice Copyright Pepperl Fuchs 30 Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 B Model 2002 Installation and Operation Manual Systems Identification amp Application Information Date of installation Unit serial Item Customer P O Customer project Service Type Features Application Notes Part No 512352 Drawing No 129 0211a 03 09 Subject to modifications without notice Copyright Pepperl Fuchs Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 Fa PEPPERL FUCHS 31 www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS ap For over a half century Pepperl Fuchs has provided new concepts for the world of process automation Our company sets standards in quality and innovative technology We develop produce and distribute electronic interface modules Human Machine Interfaces and hazardous location protection equipment on a global scale meeting the most
33. foregoing Limited Warranty 2 Inspection and Claims Customer must inspect and test all Products upon receipt All claims under the Limited Warranty provided herein must be made within thirty 30 days of the discovery of the defect Customer must obtain shipping instructions from P F prior to returning any Product which Product must be returned at Customer s expense in accordance with P F s instructions 3 Limitations and Exclusions Normal Use shall mean use and operation within rated capacities at the correct voltage and with any required maintenance as provided in the applicable P F Operating Manuals The Limited Warranty provided herein does not apply to i any Products which have been altered or modified in any way or disassembled by the Customer or anyone else ii any Products which have been subject to misuse negligence or accident or improperly installed changed substituted or replaced iii any part or component not manufactured by P F or iv any part or component that is subject to wear or consumption For parts or components not manufactured by P F the Customer or any other user or owner shall have only the warranty provided by the manufacturer of such part or component The Limited Warranty set forth herein is also subject to the following 1 The Limited Warranty is limited to electronic and mechanical performance only as expressly detailed in the product specifications and does not apply to cosmetic appearance
34. fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com Mounting Plate Dimensions SA amp FA SA amp FA Styles Only H 13 75 10 75 4 25 3 5625 6875 SA amp FA Styles Only 21 3125 SA amp FA Styles Only 2002 RH Right hand configuration IMPORTANT NOTE Dimensions DO NOT include systems ordered with an area classification of IB Class I Division 1 Group B Consult factory for mounting plate dimensions Styles Only Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Germany 49 621 776 2222 Mounting Plate Dimensions continued IMPORTANT NOTE Dimensions DO NOT include systems ordered with an area classification of IB Class I Division 1 Group B Consult factory for mounting plate dimensions DER ag e gt lt lt Nae bun 375 O D dimensions for TYP 6 SA amp FA Styles 2002 BM Bottom mount configuration SA amp FA Style lt 13 25 Panel Cutout 2002 WM Typ 10 H2 Wall mount configuration O 375 O D TYP 4 e Se Panel Cutout 23 TYPICAL WM MOUNTING FLANGE 2002 FM amp 2002 PM Frame amp panel mount configuration Subject to modifications without notice Copyright Pepperl F
35. he failure of the enclosure protection system For EPCU alarm signal specifications see page 3 System s Specifications Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com 14 Germany 49 621 776 2222 pa info de pepperl fuchs com Typical Enclosure Wiring Methods Protected enclosures must be wired similar to explosion proof enclosures in accordance with Article 500 of the National Electric Code NFPA 70 Single conductor wiring must be placed in rigid metal conduit seal flex conduit or other mediums approved for use in the hazardous location surrounding the protected enclosure Additionally NFPA 496 requires approved conduit seals on all pressurized enclosure conduit wiring entries in accordance with NFPA 70 Furthermore the use of an approved conduit seal is simply the most practical way to prevent excessive leakage through conduit connections However while explosion proof enclosures require conduit seals on all cable entries in accordance with NFPA 70 other methods of sealed cable entries that are suitable for hazardous locations can be used such as compression glands In conclusion there are two primary goals First the installer should ensure that all associated wiring and cable is protected by pressurization or other means such as explosion proof conduit or intrinsic safety barriers Secondly the installer must ensure tha
36. imity of the protected enclosure and be labeled in accordance with NFPA 496 3 Select the appropriate fittings required to connect the protective gas supply to the protection system regulator as determined on page 11 Pneumatic Tubing Requirements 4 Determine appropriate tubing route from the protective gas supply header to the protection system regulator 5 Bend tubing using industrial grade benders check tubing fit to ensure proper seating between the tubing and fittings Fully ream all tubing ends 6 Install tubing and tighten all fittings to fitting manufacturer s specifications Secure tubing to appropriate structural supports as required Enclosure supply amp reference connections 1 Choose location for the enclosure supply connection s based on the requirements on page 6 Getting Started 2 Place the enclosure reference connection fitting directly behind the enclosure protection system whenever possible For systems protecting multiple enclosures in series the enclosure reference connection fitting must be placed on the last enclosure in the series See page 6 Getting Started 3 Drill and deburr enclosure supply and reference fitting holes on the protected enclosure Mount the fittings 4 Determine appropriate route for the enclosure supply and reference tubing 5 Bend tubing using industrial grade benders check tubing fit to ensure proper seating between the tubing and fittings Fu
37. ing but not limited to negligence and strict liability or otherwise Customer s sole and exclusive remedy will be limited to at P F s option the repair or replacement f o b P F s place of manufacture by P F of any non conforming items for which claim is made by Customer in accordance with paragraph 2 or the repayment of the portion of the purchase price paid by Customer attributable to the non conforming item 5 Responsibility of Customer Safety and Protection Precautions P F takes great care to design and build reliable and dependable Products however some Products can fail eventually Customer must take precautions to design its equipment to prevent property damage and personal injury in the unlikely event of a failure AS A MATTER OF POLICY P F DOES NOT RECOMMEND THE INSTALLATION OF PRODUCTS AS THE SOLE DEVICE FOR THE PROTECTION OF PERSONNEL OR PROPERTY AND THEREFORE THE CUSTOMER SHOULD BUILD IN REDUNDANCY OR DUAL CONTROL USING APPROVED SAFETY DEVICES FOR THESE APPLICATIONS 6 Conflicts In the event there is any conflict between the provisions of this Limited Warranty and any provisions contained in any orders offers acceptances or other writings or statements provided or made by Customer to P F the provisions of this Limited Warranty shall prevail and the contract between P F and the Customer shall be deemed formed only upon the provisions set forth in this Limited Warranty and any additional or conflicting provision in
38. ive 5 inches of water without sustaining permanent deformation and resist all corrosive elements in the surrounding atmosphere 4 All lightweight objects in the enclosure such as paper or insulation must be firmly secured 5 The enclosure should be constructed from materials such as metal or nonstatic polycarbonate to meet or exceed NEMA 4 or 12 performance requirements but does not require third party approval 6 The installation of obstructions or other barriers that block or impede the flow of protective gas must be avoided 7 The creation of air pockets or other areas that trap flammable gases within the enclosure or devices must be avoided 8 The enclosure should be located in an area where impact hazards are minimal 9 If the enclosure is nonmetallic and contains equipment that utilizes or switches power loads greater than 2500 VA it must be constructed from substantially noncombustible materials such as materials designed to meet or exceed ANSI UL94 ratings of 94 V 0 or 94 5V Subject to modifications without notice 4 Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Adjacent Enclosures 1 Adjacent enclosures must be protected by one of the following means a purged or pressurized in series with the protected enclosure b purged or pressurized separately c protected by other means e g explosion proof enclosures hermetically sealed devices or intri
39. lly ream all tubing ends 6 Install tubing and tighten all fittings to fitting manufacturer s specifications Secure tubing to appropriate structural supports as required Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Tubing PM Configurations Enclosure bulkhead fittings 1 Select the fittings required to install the system supply system supply bulkhead Fitting and atmospheric reference bulkhead fitting See page 11 Pneumatic Tubing Requirements 2 Choose location for the system supply bulkhead fitting This fitting allows the protective gas supply to pass through the wall of a protected enclosure to the protection system s regulator supply inlet connection 3 Choose location for the atmospheric reference bulkhead fitting This fitting allows the enclosure pressure gauge to reference atmospheric pressure 4 Drill and deburr system supply and reference bulkhead fitting holes in the protected enclosure Mount the fittings System supply amp referenceconnections 1 Select or install a protective gas supply header tap fitted with the proper tube size fitting and located within twenty 20 feet of the enclosure protection system 2 If a service valve is placed between the protective gas supply header and the protection system it must be in close proximity of the pro
40. nduit and tighten all fittings to fitting manufacturers specifications Secure conduit to appropriate structural supports as required 6 Seal all conduit with an approved compound prior to operation of the protection system Optional Intrinsic Safety Barrier Conduit Systems supplied with optional Intrinsic Safety Barriers ISB will be supplied with clearly labeled isolated conduit entries a solid body wireway with snap cover and plexiglass wiring partitions These accessories provide a fully isolated wiring path to the barrier wiring terminal located on the lower left corner of the EPCU Logic Module All IS wiring must be isolated 1 Choose the location for the enclosure s IS conduit connection s based on the requirements on page 14 Electrical Supply Requirements 2 Drill and deburr enclosure conduit fitting holes in the protected enclosure Mount the fittings 3 Determine appropriate route for the IS conduit 4 Measure cut and thread conduit check conduit fit to ensure proper seating Fully ream all conduit 5 Install conduit and tighten all fittings to fitting manufacturers specifications Secure conduit to appropriate structural supports as required 6 Seal all conduit with an approved compound prior to operation of the protection system Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com 18 Germany 49 621 776 222
41. nning LED should turn off and power on LED should turn on 8 STD Style Close Rapid Exchange control valve fully by turning 90 CW The Rapid Exchange and timer active LEDs should be off SA amp FA Styles After completion of the RET timimg cycle timer Running LED should turn off and power on LED should turn on At the same time the Rapid Exchange solenoid valve should deenergize and the Rapid Exchange LED should turn off 9 Ensure the protection system enclosure pressure Indicator maintains a safe 0 25 inch pressure for one 1 minute Readjust enclosure pressure control valve if required 10 If safe 0 25 inch pressure is lost the EPCU will deenergize enclosure power and activate alarm system if utilized Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 L Problem or Fault Enclosure pressure control valve will not hold a safe 25 inch pressure Enclosure pressure indicator reading is difficult to stabilize Enclosure Protection Vent shuttles or flutters Enclosure pressure indicator reads a safe pressure but the safe pressure LED is not illuminated Rapid Exchange LED does not iluminate when Rapid Exchange is engaged FA Style only The Rapid Exchange solenoid continues to cycle without starting the RET timer Problems persists or if the system does not app
42. nsic safe circuits Adjacent purged or pressurized enclosures must be designed to meet all construction requirements above Total Volume Calculation 1 The total volume of all pressurized enclosures devices and wireways must be considered All enclosure device and wireway volumes must be calculated without consideration of internally consumed space Device Ventilation 1 Enclosed devices within the protected enclosure which do not exceed 1 22 in of free volume do not require ventilation to the protected enclosure If the free volume of an internal device exceeds 1 22 in it must be protected by one of the following means a ventilated on the top and bottom sides with 1 in of opening for each 400 in of volume within the internal protected enclosure at a minimum diameter of 1 4 b purged in series with the protected enclosure or be purged separately or c protected by other means e g explosion proof enclosures hermetically sealed devices or intrinsic safe circuits Temperature Limitations 1 Germany 49 621 776 2222 pa info de pepperl fuchs com The enclosure must have no surface area that exceeds 80 percent of the flammable or ignitable substance s auto ignition temperature Internal devices that exceed this temperature must be protected by one of the following manners a The device is enclosed in a chamber that is ULus or FM listed as a hermetically sealed device that prohibits the e
43. ntrance of a flammable or ignitable substance and maintains a surface temperature below temperature limits b It can be proven by testing that the devices will not ignite the substance involved c The device is purged in a separate enclosure that bears an ETW enclosure temperature warning nameplate Devices may be accessed only after power has been removed and the device has been allowed to cool to safe temperature or the area is positively Known to be nonhazardous Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com Z PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 B Model 2002 Installation and Operation Manual Installation Overview Model 2002 STD CI LH Shown ENCLOSURE PROTECTION A VENT 8 g yr PROTECTED ES ENCLOSURE LE 7 a UC ENCLOSURE SUPPLY TUBING ENCLOSURE REFERENCE TUBING ENCLOSURE ENCLOSURE PROTECTION lt gt CONNECTION SYSTEM FITTINGS SERVICE VALVE PROTECTIVE GAS SUPPLY SYSTEM SUPPLY TUBING Chak theo JJJ ss oP ee Se ee ee ee TTT ee ee YTT ee Tae 1x 3 r z a pepa MILA eae ka bkev yarka Dan peran u 7 A i 3 ENCLOSURE EPCU BREATHER WARNING DRAIN FITTING NAMEPLATE k EPCU POWER amp ALARM SIGNAL WIRING CONDUIT amp SEAL Subject to modifications without notice Copyright Pepperl Fuchs Pepperl Fuchs Group USA
44. nuts and lock washers Typical Surface Mounted System Model 1002 LPS LH Type Z shown Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Mounting FM amp PM Configurations HELPFUL HINTS FM and PM configurations are designed to mount through a panel cutout one 1 inch smaller than the overall height and width of the system mounting plate using clips and fasteners provided with SMK 10 This design feature eliminates the need to drill the system mounting bolt holes in the protected enclosure FM configurations are intended for mounting adjacent to the protected enclosure PM configurations are intended for mounting through a cutout in the protected enclosure surface 1 Transfer panel cutout pattern to the intended surface 2 Check for obstructions that could prohibit bolt fastening or system pneumatic and electrical connections 3 Cut panel cutout pattern on the intended surface 4 Deburr all cutout surfaces e Typical Pipe Mounted System Model 1002 LPS LH Type Z shown Secure system to enclosure using SMK 10 or equivalent ten 10 1 4 x 3 4 stainless steel nuts bolts mounting clips and lock washers Model 1002 LPS PM Type Z shown Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com zl PEPPERL FUCHS PROTECTIN
45. om pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 L System Mounting IMPORTANT NOTES The system should be mounted at EYE LEVEL Care must be taken to ensure the system and all protruding components are clear of all enclosure accesses doors and covers and conduit pipe tubing or cable entries LH RH TM BM and WM configurations are intended for mounting adjacent to the protected enclosure LH RH TM amp BM configurations are also suitable for 2 schedule 40 pipe mounting Determine the mounting configuration of your system using the diagrams on pages 9 amp 10 Remove and save the manila envelope containing the enclosure warning nameplate which may be taped to the outer surface of the mounting flange Although all systems are factory tested and calibrated we strongly suggest a bench test of basic functions prior to installation Mounting LH RH TM BM amp WM Configurations 1 Transfer hole pattern of system mounting plate to intended surface 2 Check for obstructions hindering bolt fastening drill and ream the mounting holes before mounting the system 3 Secure the system to the enclosure or other mounting surface using one 1 SMK 3 or equivalent six 6 3 8 x 3 4 stainless steel bolts nuts and lock washers WM requires one 1 SMK 2 or equivlent four 4 3 8 x 3 4 stainless steel bolts
46. pressure LED FA Style Rapid Exchange solenoid valve will engage automatically upon time out of the EDT timer then quickly ensure the enclosure protection vent opens The Rapid Exchange and timer active LEDs should be on and SLT timer will be running Check for trip point by turning EPCU power switch off and on to reset unit The Rapid Exchange and timer running LEDs should not turn on until valve is more than half open Starting again allow system to run through EDT SLT and RET timer cycles and watch for solenoid to disengage The valve should be able to shut off without disturbing the status of the safe pressure LED 14 Having ensured that the safe pressure and timer running LEDs are functioning properly Operating procedures located on page 24 may now be followed to step through a complete start up cycle ensuring that the system functions normally during all phases of operation 15 Cease testing and remove test equipment Model Start up Rapid identification instruction Exchange nameplate nameplate la same manual operator Rapid Enclosure Exchange pressure Start up control valve gauge instruction i nameplate Rapid Rapid A Exchange Exchange Enclosure pressure pressure pressure gauge gauge gauge Bypass Enclosure LED status operating pressure nameplate instructions control valve EPCU power EPCU power ws selector selector LED status switch switch nameplate Wi By System LED System LED
47. pressure indicator during Rapid Exchange With a 0 0 5 water column test gauge installed properly see set up procedures page 23 slowly increase the Rapid Exchange injection pressure with the Rapid Exchange valve engaged until this effect is eliminated Do not exceed 3 inches of pressure within the protected enclosure With area positively known to be nonhazardous remove screw cover of the EPCU and attempt a complete start up procedure If the system works properly check enclosure power conduit seal for leakage and the EPCU breather drain for blockage If the system does not operate properly calibrate the safe pressure switch Calibrate by slowly adjusting CCW to decrease the setpoint and CW to raise the setpoint Do not attempt to calibrate the switch until all efforts to make the switch respond properly have failed With area positively known to be nonhazardous remove screw cover of the EPCU and attempt a complete start up procedure If the system works properly check enclosure power conduit seal for leakage and the EPCU breather drain for blockage If the system does not operate properly calibrate the Rapid Exchange pressure switch With Rapid Exchange engaged calibrate by slowly adjusting clockwise to decrease the setpoint and counterclockwise to raise the setpoint Do not attempt to calibrate the switch until all efforts to make the switch respond properly have failed Contact Pepperl Fuchs Applications C
48. protected wireway to supply protective gas to adjacent protected enclosures The same conduit can be utilized for both electrical and pneumatic service to an adjacent protected enclosure s provided the conduit is oversized to allow a minimum free clearance equal to or larger than the pipe size required between multiple enclosures as stated on page 6 Getting Started HELPFUL HINT Pepperl Fuchs recognizes it may be impractical to pour all electrical conduit seals prior to installation in the field However all conduit connections must be sealed for proper testing and operation of the enclosure protection system Therefore Pepperl Fuchs recommends the use of temporary seals such as duct seal or masking tape for bench or shop testing prior to final field installation EPCU Power Requirements The electrical power control unit s EPCU electrical power source must originate from a circuit breaker or fused disconnect suitable for the hazardous location in which it is installed The power source should be uninterrupted and the switch must be located within fifty 50 feet of the protected enclosure s and the enclosure protection system and be properly marked For EPCU power specifications see page 3 System s Specifications Alarm Signal Requirements Pepperl Fuchs strongly recommends use of the optional alarm system contacts of the EPCU connected to an alarm system located in a constantly attended location to indicate t
49. r supplied switch as possible for proper operation Wiring lugs are not recommended for intrinsic safety barrier wiring connections See page 21 for barrier operation and factory programing Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com 20 Power module cable header Germany 49 621 776 2222 pa info de pepperl fuchs com Factory Primary safe Space for optional programing pressure switch r dundant safe pressure header switch Redundant Rapid Exchange controller Switch GAL N EPCU Pressure Switch Module Space for optional redundant Rapid Exchange switch EPCU Power Control Modes Normal Running NR Mode EPCU features an on off pushbutton power control switch to activate control functions Switch must be depressed to initiate start up After completion of start up safe pressure must be lost or switch must be depressed to deenergize enclosure power relays Conditional Bypass CB Mode EPCU features an on off bypass power control switch to activate control functions Switch must be set to on position to initiate start up After enclosure power is energized safe pressure must be lost or switch must be set to off position to deenergize enclosure power After enclosure power is energized switch may be set to bypass position to temporarily latch enclosure power relays A flashing LED then indicates bypass eng
50. serted by Customer shall be of no force or effect Subject to modifications without notice Copyright Pepperl Fuchs 26 Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 B Model 2002 Installation and Operation Manual Part No 512352 Drawing No 129 0211a 03 09 Subject to modifications without notice Copyright Pepperl Fuchs Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 Fa PEPPERL FUCHS 27 www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS B Model 2002 Installation and Operation Manual Part No 512352 Drawing No 129 0211a 03 09 Subject to modifications without notice Copyright Pepperl Fuchs 28 Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 fa PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS B Model 2002 Installation and Operation Manual Part No 512352 Drawing No 129 0211a 03 09 Subject to modifications without notice Copyright Pepperl Fuchs Pepperl Fuchs Group USA 1 330 486 0002 Germany 49
51. splay of your EPCU with one of the displays shown on page 15 The EPCU LED Display will help identify the options featured on your system e g normal running mode or conditional bypass Class purging timer or Class II pressurization no timer EPCU SERIAL REQUIRED WARNING NUMBER STATEMENTS MODEL 2000 ELECTRICAL POWER CONTROL UNIT CAUTION OPEN CIRCUIT BEFORE REMOVING COVER ATTENTION OUVRIR LE CIRCUIT AVANT D ENLEVER LE COUVERCLE SERIAL NO INPUT VOLTAGE amp POWER REQUIREMENTS CSA Encl 3 ENCL POWER amp ALARM CONTACTS CLASS I DIV 1 Gr C amp D ARE RATED 120 240 VAC 20 AMPS CLASS Il DIV 1 Gr E F G HAS li 120 SINGLE PHASE 60 CYCLE 1 AMP UL amp FM APPROVALS ONLY E 240 SINGLE PHASE 50 CYCLE 1 AMP AREA CLASSIFICATION EPCU INPUT POWER REQUIREMENTS Defines the area classifications for which the EPCU is suitable for Factory set at time of order operation Assembled EPCU Electronics Module Logic module Power module cable 120 240 VAC Power module Pressure switch module Subject to modifications without notice Copyright Pepperl Fuchs E 1 6 Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 Electrical amp Pne
52. t all associated conduit and wireways are sealed to conserve protective gas unless they are used to supply protective gas to other enclosures or devices Typical Enclosure Wiring Connections RR Explosion Conduit 2 proof device 3 gt Za j Intrinsically LU safe or fiber optic device l 6 1 Seal Intrinsically safe or fiber optic device Independently pressurized device Adjacent pressurized Teve Pressurized oe ai raceway Protected enclosure or device Copyright Pepperl Fuchs Singapore 65 6779 9091 E PEPPERL FUCHS pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 HE Model 2002 Installation and Operation Manual Electrical Power Control Unit General Layout amp Electrical Conduit Connections EPCU electrical rating Power mode selector switch Type 7 explosion proof enclosure Type 7 explosion proof screw cover Type 7 explosion proof breather drain see important notes below nameplate Power mode selector switch optional mounting hole factory use only LED display 1 2 NPT nonduit nonnection ports typical 6 see important notes below IMPORTANT NOTES For proper moisture drainage of the Type 7 enclosure the installer must 1 move the Type 7 breather drain to one of the bottom conduit entrances or 2 use drain seals on all cond
53. tected enclosure and labeled in accordance with NFPA 496 3 Determine appropriate tubing route from the protective gas supply header to the system supply bulkhead fitting 4 Determine appropriate tubing route from the system supply bulkhead fitting to the protection system regulator 5 Determine appropriate tubing route from the atmospheric reference bulkhead fitting to the enclosure pressure gauge s reference inlet connection 6 Bend tubing using industrial grade benders check tubing fit to ensure proper seating between the tubing and fittings Fully ream all tubing ends 7 Install tubing and tighten all fittings to fitting manufacturers specifications Secure tubing as required Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com FAPEPPERL FUCHS 43 PROTECTING YOUR PROCESS Electrical Supply Requirements General Wiring Requirements WARNING This device contains electrical parts which can cause shock or injury All electrical connections conduit and fittings on the protected enclosure must be suitable for the hazardous location in which they are installed In addition all conduit and wire must be installed in accordance with NEC as required and all relevant plant and local codes Conduit seals must be utilized on all electrical conduit connections and poured with an approved compound prior to operation of the protection system Exception Do not use seals on conduit used as a
54. ther barrier functions as required upon specific request Optional ISB Factory Programing Barrier A Function when switch opens Disables start up cycle Deenergizes enclosure power and alarm relay Functions parallel to safe pressure switch Barrier B Function when switch opens Not programmed for this model custom applications only Barrier C Function when switch closes Energizes RESV Relay custom applications only LED Display Indicators Power off Power on Safe pressure Rapid Exchange Enclosure power relays deenergized Enclosure power relays energized Enclosure pressure gt 0 15 or 0 50 w c Enclosure pressure gt 2 0 w c Timer running Exchange timer active Class only Alarm active Enclosure pressure lt 0 15 w c Bypass engaged Control bypass active CB mode Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Germany 49 621 776 2222 pa info de pepperl fuchs com Field Adjustable Timer Functions EDT Exchange Delay Timer FA style only provides a time delay to prevent Rapid Exchange solenoid valve from energizing until safe pressure can be stabilized SLT Solenoid Latching Timer FA style only provides a time delay to keep the Rapid Exchange solenoid valve energized until Rapid Exchange pressure is detected If the pressure is not detected the EPCU will reset RET Rapid Exchange Timer provides
55. thin the protected enclosure Close enclosure pressure control valve and Rapid Exchange control valve STD Styles or remove the two 1 2 combination wrenches from behind the handle Note The Rapid Exchange pressure gauge may now indicate a higher set pressure than was originally set this is normal for all Rapid Exchange purging systems Set RET timer see page 21 for timer location and settings for required exchange time based on system exchange rate of ONE MINUTE PER CUBIC FOOT five 5 minute minimum 10 Install and tighten cover of EPCU Ensure the conduit is 11 sealed with approved compounds Depress the on off pushbutton NR mode or turn selector switch to the on position CB mode Each LED should illuminate fully for two seconds self test then all LEDs should turn off except Power off solid red and alarm activated flashing red LEDs 12 Turn enclosure pressure control valve slowly CW to set the Germany 49 621 776 2222 pa info de pepperl fuchs com enclosure pressure indicator to a Safe 0 25 inch pressure The safe pressure LED should be on the alarm active LED should turn off Check for a 0 10 to 0 15 inch trip point by slowly stroking the indicator from 0 10 to 0 25 inch readings The safe pressure and alarm active LEDs should turn on and off when the indicator reads between 0 10 and 0 15 inches Note FA Style only Rapid Exchange solenoid valve will engage automatically upon time out of the EDT
56. this manual to the user prior to start up The contents of this manual have been arranged to allow the use of this product as a stand alone device on equipment and enclosures supplied by the user or its agents The manual s parameters encompass a combination of both National Fire Protection Association NFPA requirements and Pepperl Fuchs Inc requirements Pepperl Fuchs therefore acknowledges the use of NFPA 496 as a guideline that we have enhanced certain NFPA requirements and that additional information has been compiled to complete this document The manual is intended as a complete guide and must be considered unless specifically stated otherwise that all directives contained herein are requirements for safe practical and efficient use of this product This system is not intended for use to protect enclosures or devices that contain ignitable concentrations of gases or vapors This exclusion generally applies to process or product analyzing systems equipment All specifications are subject to change without notice Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 Identifying Your System This enclosure protection system is offered in various styles For proper installation and operation examine the system model number nameplate to identify the system styl
57. uchs E 10 Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 Singapore 65 6779 9091 PEPPERL FUCHS www pepperl fuchs com pa info us pepperl fuchs com pa info de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512352 Drawing No 129 0211a 03 09 Part No 512352 Drawing No 129 0211a 03 09 Pneumatic Tubing Requirements Protective Gas Supply Requirements The protective gas supply to the protection system must be a clean instrument quality compressed air or nitrogen and must contain no more than trace amounts of flammable gas vapor or dust The protective gas supply compressor intake must originate in a nonhazardous location Suction duct passing through a hazardous location and the protection system tubing and piping must be fabricated from noncombustible materials suitable for prevailing hazards and environmental conditions The protective gas supply must originate from a dedicated instrument quality compressed air header 1 2 pipe or larger no farther than twenty 20 feet from the protection system Local compressors and gas cylinders should not be used before consulting with Pepperl Fuchs The protective gas supply to the protection system must be regulated from 120 psi maximum to 80 psi minimum SC 4 NC 4 EPC 10 MULTIPLE ENCLOSURE CONNECTION FITTING Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa
58. uit connected to the bottom two conduit entrances The Type 7 breather drain is not provided or required with PM configurations Top two conduit entrances will be dedicated for Intrinsic Safe wiring ONLY when the EPCU is supplied with Pepperl Fuchs optional ISB intrinsic safety barriers EPCU LED Displays SAFE RAPID PRESSURE T POWER TIMER RUNNING POWER TBSB Bm ALARM ACTIVE SERIES 2000 ELECTRONIC POWER CONTROL UNIT Alarm Only Subject to modifications without notice Pepperl Fuchs Group www pepperl fuchs com USA 1 330 486 0002 Germany 49 621 776 2222 pa info us pepperl fuchs com pa info de pepperl fuchs com SAFE RAPID PRESSURE EXCHANGE POWER TIMER RUNNING POWER 8 BB ALARM BYPASS ACTIVE WARNING ENGAGED ENCLOSURE POWER REMAINS ENERGIZED WHEN BYPASS IS ENGAGED SERIES 2000 ELECTRONIC POWER CONTROL UNIT Alarm amp Bypass Copyright Pepperl Fuchs Singapore 65 6779 9091 El PEPPERL FUCHS 15 pa info sg pepperl fuchs com PROTECTING YOUR PROCESS EPCU Power Rating EPCU Electrical Power Rating Nameplate The EPCU Electrical Power Control Unit of this Type X purging pressurization system is offered in various styles For proper installation and operation begin by examining the EPCU electrical rating nameplate to identify the system input voltage and power requirements enclosure power and alarm contact ratings and third party approval markings Next match the LED di
59. umatic Diagrams LH RH TM BM WM amp FM Configurations Electrical power Required enclosure supply conduit protection vent Conduit seal Union Union Conduit seal JR H H dik HH D l Enclosure Breather Sintered reference Venturi drain vent tubing Enclosure reference orifice bulkhead fitting Electrical power Enclosure control unit pressure gauge System supply i Rapid Exchange Rapid Exchange l pressure gauge control valve I System Enclosure supply Supply tubing tubing Enclosure supply 7 bulkhead fitting Regulator Enclosure pressure Solenoid on control valve Protected enclosure System tupply SA amp FA styles connection fitting PM Configurations Required enclosure protection vent Electrical power supply conduit Electrical power Conduit seal Union Union Conduit seal hub conduit Electrical a lt Saki wl in m Sj enclosure Atmospheric pressure reference bulkhead fitting Atmospheric Enclosure Enclosure reference pressure pressure reference reference System na suppl Enclosure pressure Electrical eower pply gauge control Unit 17 MER l System supply Rapid Exchange Rapid Exchange i bulkhead fitting pressure gauge control valve l Enclosure I inlet i supply kn ww vischarge AL S Regulator Enclosure pressure System supply Solenoid on control valve connection fitting SA amp FA styles Protected enclosure Subject to modifications without
60. ustomer Service Department at 830 486 0002 for more information Part No 512352 Drawing No 129 0211a 03 09 This section covers the most common problems documented with this system Any problems not covered in this section should be addressed directly to our factory Please address all service needs to Pepperl Fuchs Inc Customer Service Department Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info us pepperl fuchs com Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS Germany 49 621 776 2222 pa info de pepperl fuchs com 25 Warranty Terms and Conditions PEPPERL FUCHS STANDARD 24 MONTH WARRANTY 1 Limited Warranty Pepperl Fuchs Inc P F warrants Purge Units and components for Purge Units manufactured by P F Product or Products to be free from defects in material and workmanship under Normal Use for a period of twenty four 24 months from the date of shipment of such Products from P F s warehouse or place of manufacture or from P F s authorized representative or distributor Only the original purchaser of such Products the Customer shall be entitled to the benefit of the foregoing Limited Warranty No representative agent or salesman of P F is authorized to give or provide any warranty or make any representation contrary to or in addition to the

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