Model 1011 Type Z Purge/Pressurization System
Contents
1. 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 2PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 Model 1011 Installation and Operation Manual Installation Overview Model 1002 WPS LH Shown ENCLOSURE PROTECTION VENT PROTECTED ENCLOSURE ENCLOSURE SUPPLY TUBING SYSTEM MOUNTING BOLT ENCLOSURE PROTECTION PROTECTIVE SYSTEM GAS SUPPLY SYSTEM SUPPLY FITTING SERVICE VALVE ENCLOSURE CONNECTION FITTINGS ENCLOSURE ENCLOSURE WARNING REFERENCE NAMEPLATE TUBING SYSTEM SUPPLY TUBING ELECTRICAL ALARM WIRING CONDUIT amp SEAL 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 com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS 5 Getting Started Typic2. adjust enclosure pressure control 7 Cease testing and remove test equipment flowmeter regulator by opening slowly clockwise CW to set a safe 8 Connect the inert gas supply directly to the enclosure pressure on the enclosure pressure indicator pressure control regulator NOTE If pressure setting is difficult to stabilize or set see page 16 Troubleshooting Procedures IMPORTANT NOTE Operators must secure wrist or stop watch to manually time exchange cycle for Class I applications 5 Install and tighten all bolts on the pressure loss alarm switch if utilized Ensure the conduit is sealed with approved compounds Energize power to switch and alarm system if utilized and test the function of the alarm system Subject to modifications without notice Copyright Pepperl Fuchs 1 4 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 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 L 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 Class I Purging Operation Start Up Conditions Protection method Powering me
3. appear to be operating properly 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 Application involves a small tightly sealed enclosure and or a fluctuating protective gas supply Pressure switch is out of calibration Problems persist 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 Pre regulate the protective gas supply upstream of the enclosure protection system to 5 psi maximum For dramatic fluctuations in the protective gas supply it may be neccessary to utilize a self relieving low flow precision regulator to pre regulate the protective gas supply Calibrate by slowly adjusting counterclockwise to decrease the setpoint and clockwise 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 Customer Service Department at 330
4. before consulting with Pepperl Fuchs or one 1 EBC 4 1 4 feed through connector or equivalent The protective gas supply to the protection system must be fitting per system equipped with a tamper proof regulator set at 5 psi maximum 3 For enclosure reference one 1 EFC 4 1 4 flush connector or one 1 EBC 4 1 4 feed through connector or equivalent Exception If the protected enclosure s is equipped with an fitting per system Enclosure Protection Vent the protective gas supply to the protection system must not exceed 120 psi maximum 5 psi 4 One 1 lot of 1 4 O D 035 wall thickness welded or minimum See page 3 System Specifications for additional seamless stainless steel tubing information concerning protective gas supply requirements 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 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 require
5. eguipment de energized alarm system and air supply on Operating Procedures 1 Remove hazardous substance from the protected enclosure A vacuum device is the preferred tool for dust removal 2 Check operation of enclosure pressure relief device if utilized and seal the protected enclosure 3 Pressurize the protected enclosure to set and maintain a positive pressure of 0 50 inches 12 7 mm of water 4 Energize the protected eguipment power manually with a disconnect switch or breaker rated for the hazardous location 5 Loss of pressurization reguires immediate attention or the manual de energizing of protected eguipment power 6 Excessively hot eguipment must be isolated in a separate protected enclosure unless the enclosure is marked with a warning that indicates a reguired cool down time period before access Enclosure pressure gauge Start up instruction nameplate Copyright Pepperl Fuchs J PEPPERL FUCHS PROTECTING YOUR PROCESS Singapore 65 6779 9091 pa info sg pepperl fuchs com 15 a Troubleshooting Procedures Possible Causes Problem or Fault Enclosure pressure control regulator will not hold a safe pressure Enclosure pressure indicator reading is difficult to stabilize Enclosure pressure indicator drifts up or down from the safe pressure setting Enclosure pressure loss alarm switch does not appear to be operating Problems persists or if the system does not
6. the appropriate FM configurations are intended for mounting adjacent to edge of the system mounting plate using the hex head set the protected enclosure screws provided with the system l l l l l PM configurations are intended for mounting through a 3 Transfer hole pattern of system mounting bracket to cutout in the protected enclosure surface intended surface 4 Check for obstructions hindering bolt fastening drill and ream the mounting holes before mounting the system 5 Secure the system to the enclosure or other mounting surface using the fastening hardware provided Typical Surface Mounted System Typical Panel Frame Mounted System Model 1002 LPS CI Z LH shown Model 1002 LPS CI Z LH shown 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 7 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 Mounting Plate Dimensions continued 1011 LH Left hand configuration 1011 TM Top mount configuration 3 25 1 25 Panel Cutout Panel Cutout 1011 FM amp 1011 PM Frame amp panel mount configuration Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 Germany 49 621 776 2222 www pepperl fu
7. vent s operation gently prod the vent flapper 2 SCFM 120 SCFH 2 minutes per cubic foot open with a soft pointed object example eraser end 3 SCFM 180 SCFH 1 5 minutes per cubic foot of a pencil ensuring that the vent valve works freely On vertically configured vents this can be accomplished 4 SCFM 240 SCFH or greater 1 minute per cubic foot from within the protected enclosure Side mounted 90 configured vents can be tested by removing the conduit plug at the bottom of the mounting tee Multiple operations require only one test per day if enclosure is not opened or left unattended NOTE The volume exchange time chart is based on a four 4 enclosure volume exchange Multiply the required exchange time above by 2 5 for applications requiring a ten 10 volume exchange motors Regardless of enclosure volume or system flow rate it is required that operators withhold power to the enclosure Class Purging Set up while inducing Class exchange for at least five 5 minutes 1 Close the enclosure pressure control regulator fully by Normal exchange time calculations should be doubled if large turning counterclockwise CCW obstructions block inert gas flow 2 Temporarily connect the inert gas supply to a O to 250 The start up instruction nameplate exchange time slot will be SCFH flowmeter Connect the outlet of the flowmeter to the blank but the unit may feature a set of direct factor nameplates enclosure pressure control re
8. 486 0002 for more information 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 1 6 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 Copyright Pepperl Fuchs Singapore 65 6779 9091 fa PEPPERL FUCHS pa info sg pepperl fuchs com PROTECTING YOUR PROCESS Part No 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 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 t
9. ERATION OF TH PROTECTION SYSTEM it BLUNT QBJECT TO PRY EPV 1 SA 00 Vertical Mount THIS VENT MUST BE TESTE PRIOR TO OPERATION OF TH PROTECTION SYSTEM SE BLUNT OBJECT TO Pro EPV 1 SA 90 Side Mount Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info 9 us pepperl fuchs com Germany 49 621 776 2222 pa info 9 de pepperl fuchs com Warning Nameplate s An EWN enclosure warning nameplate must be located in a prominent position on or near all enclosure accesses doors and 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 reguired by plant and local codes and is reguired 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 The ETW warns the operator to deenergize all eguipment for a specified length of time allowing the protected eguipment to coo
10. PROCESS AUTOMATION E b 4 5 i s y P TN UU uy oe YW et ae INSTAULAT ONAND OPERATION MANUAL MODEL 1011 TYPE Z PURGE PRESSURIZATION SYSTEM PEPPERL FUCHS L Table of Contents Purpose and Description Page 2 Page 3 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 System Purpose and Description Purpose System description Important notes Identifying Your System Defines specific features of the system General Information System amp material specifications System accessories Spare parts Tools amp test equipment 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 System Mounting LH RH TM BM amp WM configurations FM amp PM configurations Mounting Plate Dimensions Mounting plate dimension diagrams Hardware Mounting Optional enclosure protection vent Warning nameplates Pneumatic Tubing Requirements Protective gas supply requirements Pneumatic connection requirements Tubing Installation LH RH TM BM WM FM amp PM tubing configurations Tubing Connection Diagrams LH RH TM BM WM FM amp PM configuration connection points Pneum
11. Singapore 65 6779 9091 pa info sg pepperl fuchs com 2PEPPERL4FUCHS 9 PROTECTING YOUR PROCESS Pneumatic Tubing Requirements Protective Gas Supply Requirements Pneumatic Connection Requirements The protective gas supply to the protection system must be a ALL FITTINGS MAY BE CUSTOMER OR FACTORY FURNISHED tty instr au eats enue ne al and a 1 For system supply one 1 SC 4 1 4 male straight ae I TOPE Sad Y Lp ante earn gem Male connector or one 1 NC 4 1 4 male elbow connector or equivalent fitting per system 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 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 NOTE Above fitting is required only if protection system is furnished with an optional in line filter kit model ILFK accessory 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 2 For enclosure supply one 1 EFC 4 1 4 flush connector
12. al 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 9 de pepperl fuchs com Tubing PM Configurations Enclosure bulkhead fittings 1 Select the fittings reguired 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 reference 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 lf a service valve is placed between the protective gas supply header and the protection system it must be in close proximity of the protected enclosure and labeled in accordance with NFPA 496 3 Determine appropriate tubing route from the protective gas supply header to the system
13. al Single Protected Enclosure Connections ENCLOSURE PROTECTION VENT 1 2 PROTECTIVE GAS SUPPLY Optional HEADER oe ee ee REFERENCE ja OI Me gn ENCLOSURE F PROTECTION EG Ee SYSTEM SUPPLY I Om o ACF ae A B C D E a Description System Enclosure Enclosure Multi enclosure Optional remote supply tubing supply reference connections venting Pao i f 1 4 O D tubing 1 4 O D tubing 1 4 O D tubing 1 2 I D pipe 1 2 I D pipe Tubing orpipe diameter fully reamed fully reamed fully reamed fully reamed fully reamed Maximum tubing pipe pength and 20 feet 5 feet 20 feet 10 feet 30 feet lal number of bends elbows 10 bends 5 bends 10 bends 5 elbows 5 elbows J TYPICAL MULTIPLE PROTECTED ENCLOSURE CONNECTIONS i AO H EA PROTECTIVE GAS SUPPLY ll GL LL LL 7 She eo et E ee eee ee a MESEEH PROTECTED L EU L p l l ENCLOSURE ENCLOSURE ta MM PROTECTED PROTECTION a a ML a eR ene ENCLOSURE SYSTEM TEN ee A ae REFERENCE Le F c NOTE Tube and pipe sizes 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 enc
14. atic diagram Electrical Supply Requirements Wiring requirements Enclosure power amp alarm signal Enclosure wiring methods amp connections Set Up Procedure Class I amp Class II set up Operating Seguence Class I amp Class ll operation Troubleshooting Procedures Troubleshooting chart Warranty and Liability Statement Warranty notes General terms Limitations System Maintenance Regular maintenance Long term maintenance Maintenance schedule Systems Identification amp Application Information Subject to modifications without notice Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info 9us pepperl fuchs com Germany 49 621 776 2222 pa info 9 de pepperl fuchs com Purpose Pepperl Fuchs Enclosure Protection System s purpose is to allow the use of general purpose or non rated electrical or electronic devices with exception to devices which produce excessive heat utilize combustible gas or expose arcing contacts to the hazardous atmosphere in Type 4 or 12 enclosures in the place of explosion proof Type 7 enclosures Other purposes include heat moisture and dust contamination prevention Description Model 1011 is an enclosure pressurization or purging system that operates on a supply of compressed instrument air or inert gas It regulates and monitors pressure within sealed protected enclosures to prevent combustible dust accumulation or remove and prevent flammable gas or vapor accumul
15. ations In Class Il areas the system maintains a safe 1 0 pressure In Class areas the system accomplishes four air exchanges and maintains a safe 0 25 pressure These processes reduce the hazardous classified area rating within the enclosure s in accordance with the NEC NFPA 70 Article 500 NFPA 496 and ISA12 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 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 requirements Pepperl Fuchs therefore acknowledges the use of NFPA 496 as a guideline that we have enhanced certain NFPA reguirements 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 Pepperl Fuchs requirements for safe practical and efficient use of this product This system is not intended for use to protect enclosures or devices which contain ignitable concentrations of gases or vapors This exclu
16. chs com pa info us pepperl fuchs com pa info de pepperl fuchs com 1011 RH Right hand configuration 1011 BM Bottom mount configuration 7 3125 System Mounting Plate 25 O D TYP 2 Universal mounting bracket Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com 2PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 L 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 reguired below the vent opening 1 Determine the vent s mounting configuration i e 00 vertical mount or 90 side mount See photos below 2 Determine vent location and layout vent mounting hole on the protected enclosure as determined on page 6 Getting Started 3 Using a 0 875 hole saw or 1 2 conduit punch drill and deburr the enclosure protection vent mounting hole 4 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 5 Reinstall the hub mounting nut to the mounting hub from inside the protected enclosure and tighten WARNING NOTICE THIS VENT MUST BE TESTEL PRIOR TO OP
17. ction 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 that 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 cULys listed as a hermetically sealed device that prohibits the entrance of a flammable or ignitable substance and maintains a surface temperature below temperature limits
18. d EFC 4 EBC 4 ENCLOSURE SUPPLY amp REFERENCE FITTINGS SYSTEM ATMOSPHERIC REFERENCE FITTING MULTIPLE ENCLOSURE CONNECTION FITTING Subject to modifications without notice Copyright Pepperl Fuchs 10 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 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 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 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 lf a service valve is placed between the protective gas supply header and the enclosure protection system it must be installed in close proximity of the protected enclosure and be labeled in accordance with NFPA 496 3 Select the appropriate fittings required to connect the protective gas s
19. ds 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 should ensure that 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 Explosion Conduit proof device Intrinsically safe or fiber optic device Intrinsically safe or fiber optic device lt lt gt gt independently pressurized device Adjacent Un ee device Pressurized raceway Protected enclosure or device Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com J PEPPERL FUCHS PROTECTING YOUR PROCESS 13 Set up Procedure CLASS I VOLUME EXCHANGE TIME CHART HELPFUL HINTS MEASURED FLOW REOUIRED EXCHANGE TIME UU AU yg Uu Or pirpOSES Griais Tanta 0 10 SCFM 6 SCFH 40 minutes per cubic foot Class a minimum 25 inch of water column pressure 0 25 SCFM 15 SCFH 16 minutes per Cubic Toot Class Il a minimum 1 0 inch of water column pressure 0 50 SCFM 30 SCFH 8 minutes per cubic foot Regulator may be in the locked position upon arrival To 0 75 SCFM 45 SCFH 5 5 minutes per cubic foot adjust regulator pull handle to outward position 1 SCFM 60 SCFH 4 minutes per cubic foot To test the
20. e 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
21. e amount of drifting that can normally occur when maintaining a Safe pressure inside a protected enclosure The pre regulation can be accomplished by installing a TR 10G tamperproof regulator accessories or equivalent Enclosure integrity determines actual flow rate Material Specifications Regulator body Regulator handle Enclosure pressure gauge Tube fittings Tubing System nameplates Fastener hardware Zinc w enamel finish brass Polycarbonate Alum w enamel finish 316 SS Forged body 316 SS 1 4 035 welded Silkscreen amp Lexan Aluminum amp stainless steel Mounting plate amp bracket Anodized aluminum Enclosure warning nameplate Silkscreened SS Lexan is a registered trademark of the General Electric Corporation Recommended Spare Parts Qty Description Enclosure pressure indicator Cl Enclosure pressure indicator Cll Enclosure pressure control regulator Installation amp operation manual Enclosure warning nameplate Cl Enclosure warning nameplate Cll Part supercedes 510023 001000 513235 001027 513315 002000 129 0205 513008 EWN 1 513009 EWN 2 Please call and reference part number above for current spare parts pricing Immediate pricing is available to all confirmed customers h h b d d h Installation Tools amp Testing Equipment 1 2 chuck drill Complete set of drill bits 1 2 conduit knockout punch or 0 875 hole saw Complete set of tubing conduit bend
22. e elements in the surrounding atmosphere All lightweight objects in the enclosure such as paper or insulation must be firmly secured 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 The installation of obstructions or other barriers that block or impede the flow of protective gas must be avoided The creation of air pockets or other areas that trap flammable gases within the enclosure or devices must be avoided The enclosure should be located in an area where impact hazards are minimal 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 Pepperl Fuchs Group USA 1 330 486 0002 www pepperl fuchs com pa info 9us pepperl fuchs com Adjacent Enclosures 1 2 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 or c protected by other means e g explosion proof enclosures hermetically sealed devices or intrinsic safe circuits Adjacent purged or pressurized enclosures must be designed to meet all constru
23. equal to or larger than the pipe size required between multiple enclosures as stated on page 6 Getting Started Enclosure Power Requirements The protected enclosure s electrical power source must originate from a circuit breaker or fused disconnect suitable for the hazardous location in which it is installed The switch must be located within fifty 50 feet of the protected enclosure s and the protection system and be properly marked Alarm Signal Requirements For Type Y and Z purge systems audible alarms or visual indicators must be used to notify operators that pressure inside the enclosure is below the NFPA minimum Alarms are connected directly to the enclosure and monitor the differential air pressure between the enclosure and the environment outside it These alarms are activated by the reduction in flow or pressure within the protective enclosure and have a direct connection to the enclosure eliminating the need for an alarm on the protective gas supply e The alarm must be located where the operator can see it easily e The alarm must take its measurement from the enclosure only e Alarms located in the hazardous area must be rated for the area e Valves cannot be connected between the alarm and the enclosure IMPORTANT NOTE NFPA 496 requires the use of an alarm or an indicator to detect the loss of safe enclosure pressure In addition the NFPA 496 requires that if an indicator alone is utilized a protec
24. erica Headquarters El South America Headquarters Pepperl Fuchs Inc Pepperl Fuchs Ltda Twinsburg Ohio USA Sao Bernado do Campo SP Brazil o Tel 1 330 486 0002 Tel 55 11 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 e Printed in USA Part No 512083 Drawing No 129 0205a TDOCT 1360_ENG 03 09
25. gauge inlet Enclosure Atmospheric pressure f control Optional enclosure LED protection vent inlet regulator Mout Fa Beeco eps Enclosure Enclosure ee ressure gauge ee supply p gaug plate outlet Sintered System AV Atmospheric Reference vent supply reference l bulkhead l Regulator l HELPFUL HINT Setem sipol Pneumatic connections are bolded i Inlet bulkhead Protected enclosure 12 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 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 L Electrical Supply Requirements General Wiring Requirements WARNING THIS DEVICE CONTAINS ELECTRICAL PARTS THAT 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 Note Do not use seals on conduit used as a 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
26. gulator with self adhesive backing such as TEN MINUTES for application to the start up instructions dependent on how the 3 Check operation of enclosure pressure vent if utilized system was specified and purchased Field modification of 4 Seal enclosure s and adjust enclosure pressure control this nameplate to show a direct factor is acceptable as noted regulator by opening slowly clockwise CW to set a safe above if the method used to mark the nameplate does not pressure on the enclosure pressure indicator deface the instructions listed Materials used for the marking NOTE If pressure setting is difficult to stabilize or set meS ee POET IO IFISISHEU FED HOPE 3 conditions see page 16 Troubleshooting Procedures 5 When safe enclosure pressure is stabilized measure flow Class Il Pressurization Set up of inert gas supply through protection system to calculate required exchange time based on the Class exchange time chart 1 Close the enclosure pressure control regulator fully by turning it counterclockwise CCW 2 Remove all traces of combustible dust from the protected 6 Install and tighten all bolts on the pressure loss alarm switch enclosure if utilized Ensure the conduit is sealed with approved compounds Energize power to switch and alarm system if 3 Check operation of enclosure protection vent if utilized utilized and test the function of the alarm system 4 Seal enclosure s and
27. ing instrument fitting and electrical craftsman hand tools O 250 scfh flowmeter connected upstream of the protection system to determine air consumption and flow during set up procedure Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com 2PEPPERL4FUCHS 3 PROTECTING YOUR PROCESS a Model 1011 System Accessories Optional Enclosure Protection Vents EPV 1 SA 00 EPV 1 SA 90 Straight w spark arrestor Rt angle w spark arrestor Additional Items SMK 1 or 4 System mounting kit EPSK 1 Class I Group C D pressure switch kit EPSK 1A Class I Group A D pressure switch kit EPSK 2 Class ll Group E G pressure switch kit GPSK 1 Class I general purpose switch kit GPSK 2 Class ll general purpose switch kit RAH Div 1 remote alarm horn RAB 1 Div 1 remote alarm beacon RAB 2 Div 2 remote alarm beacon LCK L fitting conduit kit TCK T fitting conduit kit TR 10G Tamperproof regulator w gauge EFC 4 1 4 flush connector EBC 4 1 4 bulkhead connector EPC 10 1 2 pipe connector ILF 4 1 4 filter ETW Enclosure temperature warning Enclosure amp Device Design Enclosure Design Requirements 1 All windows must be shatterproof and sized as small as possible All NFPA 496 required markings must be placed on or near all enclosure doors and covers The enclosure must withstand an internal pressure of ten 10 inches of water without sustaining permanent deformation and resist all corrosiv
28. ing 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 of 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 1 8 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 512083 Drawing No 129 0205a 03 09 BM Model 1011 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 512083 Drawing No 129 0205a 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 19 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
29. l before opening the protected enclosure The length of time reguired 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 SYSTEM START UP INSTRUCTION AREA CLASSIFICATION PRESSURIZATION TYP BEEN PURGED IN ACCORDANCE WITH THE PURGE 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 ACi WITH THE PRESSURIZATION SYSTEM START UP INSTRUCTIONS TEMPERATURE CODE RD ANC AREA CLASSIFICATION PRESSURIZATION TYPE Enclosure warning nameplate Class ll NFPA Code 496 ISA Code 12 4 WARNING NOTICE THIS ENCLOSURE CONTAINS HOT COMPONENTS ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA I5 KNOWN TO BE NONHAZARDOUS OR UNLESS ENCLOSURE POWER HAS BEEN DEENERGIZED FOR THE TIME SPECIFIED BELOW Enclosure temperature warning nameplate Copyright Pepperl Fuchs
30. losures 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 OUTLET 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 OUTLET Connections for heavier than 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 6 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 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 03 09 System Mounting IMPORTANT NOTES Mounting FM amp PM Configurations The system should be mounted at EYE LEVEL 1 Carefully read the HELPFUL HINTS located below Care must be taken to ensure the system and all protr
31. n inserted by Customer shall be of no force or effect 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 1 7 www pepperl fuchs com pa info us pepperl fuchs com pa info 9 de pepperl fuchs com pa info sg pepperl fuchs com PROTECTING YOUR PROCESS System Maintenance Regular Maintenance Drain the protection system regulator freguently and clean system with nonsolvent cleaning agents only Long Term Maintenance Calibrate the enclosure pressure indicator to O 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 14 and 15 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 be
32. neral Information System Specifications System dimensions See Page 8 Shipping weight lbs 7 Operating temperature range 20 F 120 F Supply pressure range 5 120 psi max Supply requirements Clean air or inert gas Safe pressure CI CII 0 25 1 0 Safe pressure flowrate 0 1 3 5 SCFH System supply fitting 1 4 tube fitting Enclosure supply fitting 1 4 tube fitting Enclosure reference fitting 1 4 tube fitting With enclosure protection vent 120 psi maximum Without enclosure protection ven 5 psi maximum In order to comply with the NFPA 496 standard requiring protection against over pressurization of the protected enclosure the installer must install one of the following items in addition to the enclosure protection system a Install an enclosure protection venon the protected enclosure b Install a tamperproof regulator upstream of the enclosure protection system s system supply inlet to pre regulate protective gas supply to 5 psi max 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 9 de pepperl fuchs com In addition for small tightly sealed enclosures or to compensate for a fluctuating protective gas supply it may be necessary to pre regulate the protective gas supply to a constant 5 psi regardless of whether an enclosure protection ven is installed This will reduce th
33. o the 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 appearanc
34. sion generally applies to process or product analyzing systems eguipment All specifications are subject to change without notice Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com 2PEPPERL FUCHS PROTECTING YOUR PROCESS Part No 512083 Drawing No 129 0205a 03 09 Part No 512083 Drawing No 129 0205a 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 style area classification and type as noted below Model 1011 CII Type Z 10 CUBIC FEET MAXIMUM ENCLOSURE VOLUME CLASS II DIVISION 2 GROUPS F amp G TO NONHAZARDOUS Gy 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 4S11 1011 Cl Z UH Series Model Number o Area Classificatio CI Class I Area Cll Class ll Area System Type Z Div 2 to Nonhazardous Mounting Configuratio UM universal mount FM frame mount external frame or rack PM panel mount enclosure surface cutout Additional factory installed accessories external surface FM amp PM confi uration mounting plates include four 4 1 4 mounting holes at each corner on 5 16 centers Ge
35. 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 manufacturer s specifications Secure tubing as required Copyright Pepperl Fuchs Singapore 65 6779 9091 pa info sg pepperl fuchs com 2PEPPERL4FUCHS 4 PROTECTING YOUR PROCESS Tubing Connection Diagrams LH RH TM BM amp FM Configuration Connection Points amp Pneumatic Diagram System Enclosure supply pressure inlet gauge Enclosure Enclosure reference pressure inlet control Vent ri regulator orifice acs oe Enclosure To supply Mounting T outlet bracket FJ BEBCO EPS a MO ne YS SEN yrdd St heer va plate Optional enclosure Top Mount Configuration protection vent Enclosure pressure gauge System 4Vv Sintered supply l vent Reference Enclosure reference Ee El Se bulkhead fitting Venturi Regulator orifice g l Inlet Supply Enclosure supply bulkhead fitting Protected enclosure PM Configuration Connection Points amp Pneumatic Diagram Enclosure System pressure supply
36. technology We develop produce and distribute electronic interface modules Human Machine Interfaces and hazardous location protection equipment on a global scale meeting the most 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 449 621 776 2222 i 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 gt Central Western Europe amp i Africa Headguarters E3 Northern Europe Headguarters 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 Am
37. thod System status Type Z purge pressurization system Local disconnect switch Protected eguipment de energized alarm system and air supply on Operating Procedures 1 Check operation of enclosure pressure relief device if utilized and seal the protected enclosure 2 Pressurize the protected enclosure to set and maintain a minimum positive pressure of 0 10 inches 2 5 mm of water 3 Exchange the recommended volumes of purging gas Exception Power may be energized immediately if the protected enclosure atmosphere is Known to be nonflammable 4 Energize the protected eguipment power manually with a disconnect switch or breaker rated for the hazardous location 5 Loss of pressurization requires immediate attention or the manual de energizing of protected equipment power 6 Excessively hot equipment must be isolated in a separate protected enclosure unless the enclosure is marked with a warning which indicates a required cool down time period before access Model identification nameplate Enclosure pressure control regulator 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 9 de pepperl fuchs com Class ll Pressurization Operation Start Up Conditions Protection method Powering method System status Type Z pressurization system Local disconnect switch Protected
38. tive gas supply alarm must also be installed between the last valve in the protective gas supply and the protected enclosure Therefore the protective gas supply to all Model 1011 systems must be equipped with the above mentioned protective gas supply alarm Exception Systems utilizing an EPSK or GPSK enclosure pressure loss alarm switch accessory will satisfy the above mentioned NFPA requirement 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 9 de pepperl fuchs com Typical Enclosure Wiring Methods Protected enclosures should be wired similar to explosion proof enclosures in accordance with Article 500 of the National Electric Code NFPA 70 Single conductor wiring should 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 reguires the use of approved seals on all pressurized enclosure conduit wiring entries in accordance with NFPA 70 Furthermore the use of an approved 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 glan
39. tort including 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 eguipment 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 provisio
40. uding 2 Transfer panel cutout pattern to the intended surface components are clear of all enclosure accesses doors and covers and conduit pipe tubing or cable entries o Check for obstructions which could prohibit bolt fastening or system pneumatic connections LH RH TM and BM configurations are intended for 4 Cut panel cutout pattern on the intended surface mounting adjacent to the protected enclosure 5 Deburr all cutout surfaces Determine the mounting configuration for your application using the diagrams on page 8 6 Secure system to enclosure using SMK 4 or equivalent 1 4 x 3 4 stainless steel nuts bolts mounting clips and lock washers Remove and save the manila envelope containing the enclosure warning nameplate which may be taped to the System mounting bracket Although all systems are factory tested and calibrated we HELPFUL HINTS strongly suggest a bench test of basic functions prior to installation FM and PM configurations are designed to mount through a panel cutout one 1 inch smaller than the overall height Mounting LH RH TM amp BM Configurations and width of the system mounting plate using clips and l l l l MM fasteners provided with the SMK 4 mounting kit This i Determine the mounting configuration for your application design feature eliminates the need to drill the system using the diagrams on page 8 mounting bolt holes in the protected enclosure 2 Secure the system mounting bracket to
41. upply to the protection system regulator as determined on page 10 Pneumatic Connection 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 Fully ream all tubing ends 6 Install tubing and tighten all fittings to fitting manufacturer s specifications Secure tubing to appropriate structur
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