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PROCESS AUTOMATION – 

PROTECTING YOUR PROCESS

For  over  a  half  century,  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 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 – Fuchs has earned a strong reputation by supplying the world’s largest process industry companies 
with the broadest line of proven components for a diverse range of applications.

Subject to modifications  •  © 2009 FUCHS, INC.  •  Printed in USA  •  Part No. 512083  Drawing No. 129-0205a (TDOCT-1360_ENG)  03/09 

Summary of Contents for 1011 Series

Page 1: ...MODEL 1011 TYPE Z PURGE PRESSURIZATION SYSTEM PROCESS AUTOMATION INSTALLATION AND OPERATION MANUAL...

Page 2: ...ive 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...

Page 3: ...closure pressure control regulator 513315 002000 1 Installation operation manual 129 0205 1 Enclosure warning nameplate CI 513008 EWN 1 1 Enclosure warning nameplate CII 513009 EWN 2 Please call and r...

Page 4: ...erials such as materials designed to meet or exceed ANSI UL94 ratings of 94 V 0 or 94 5V Adjacent Enclosures 1 Adjacent enclosures must be protected by one of the following means a purged or pressuriz...

Page 5: ...verview PROTECTIVE GAS SUPPLY SYSTEM SUPPLY TUBING ELECTRICAL ALARM WIRING CONDUIT SEAL SERVICE VALVE SYSTEM SUPPLY FITTING ENCLOSURE PROTECTION SYSTEM SYSTEM MOUNTING BOLT ENCLOSURE SUPPLY TUBING ENC...

Page 6: ...ure protection system the enclosures must be connected in series from the smallest to the largest to ensure adequate protective gas flow PROTECTED ENCLOSURE C B ENCLOSURE PROTECTION VENT Optional E SU...

Page 7: ...nded 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 fas...

Page 8: ...8 8 25 8 8 25 8 8 Panel Cutout 7 Panel Cutout 7 3 25 1 25 6875 7 3125 8 875 2 4375 25 O D TYP 2 System Mounting Plate 8 25 8 1011 LH Left hand configuration 1011 RH Right hand configuration 1011 TM To...

Page 9: ...inent 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 a...

Page 10: ...LOSURE CONNECTION FITTING 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 co...

Page 11: ...tting manufacturer s specifications Secure tubing to appropriate structural supports as required Tubing PM Configurations Enclosure bulkhead fittings 1 Select the fittings required to install the syst...

Page 12: ...ce Supply Enclosure reference bulkhead fitting Enclosure supply bulkhead fitting Enclosure pressure gauge Enclosure reference inlet Venturi orifice Mounting bracket System supply inlet Enclosure press...

Page 13: ...larm 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 i...

Page 14: ...rators withhold power to the enclosure while inducing Class I exchange for at least five 5 minutes Normal exchange time calculations should be doubled if large obstructions block inert gas flow The st...

Page 15: ...f 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 perio...

Page 16: ...drifts up or down from the safe pressure setting Application involves a small tightly sealed enclosure and or a fluctuating protective gas supply Pre regulate the protective gas supply upstream of the...

Page 17: ...MITED 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 PARTI...

Page 18: ...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 Ca...

Page 19: ..._________________________________________________________ Notes _ _______________________________________________________________________________________________ ______________________________________...

Page 20: ...ost 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 whene...

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