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Hoffman PCFB1YZ, Руководство пользователя

Hoffman PCFB1YZ - отличное устройство для вашего домашнего ПК. Получите полный контроль с помощью нашего руководства пользователя. Скачайте его бесплатно с {вэбсайта} и наслаждайтесь всеми возможностями продукта. Узнавайте больше и делайте свою жизнь проще с Hoffman PCFB1YZ!

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                                                 Relief Valve Position                                                         Relief Valve Cutout 

 
 

 

 
            Schematic for both PCFB1YZ and PCFF1YZ 
 

 

 
 
 
 
 
 
 
 

Содержание PCFB1YZ

Страница 1: ...ication Sheet CF Y Z Purge Pressurization Unit 2 Application Suitability 3 Installation Operation and Maintenance for CF Units Section 0 Description and Principle of Operation Section 1 Installation o...

Страница 2: ...anada NFPA 496 UL E466718 Class I Div 1 Class I Div 2 Groups A B C D Groups A B C D For limitations and conditions of use refer to the applicable certificate at the back of this manual Supply Pressure...

Страница 3: ...t be fitted to the Pressurized Enclosure The following materials are used in the construction of Hoffman Purge Pressurization Units If substances that will adversely affect any of these materials are...

Страница 4: ...alibrated Outlet Orifices Where the Outlet Orifice disk is removable and can be easily changed by the user to give different flow rates according to the size of the PE and the available air supply cap...

Страница 5: ...the PE Exception Power to Intrinsically Safe or other apparatus which is already suitable for the location need not be isolated by the Hoffman Purge Pressurization unit When utilizing Y Z Pressurizat...

Страница 6: ...the RLV and any other Spark Arrestors Remove any debris or corrosion or replace the Spark Arrestor with a spare Check the condition of the air supply filter element Clean or replace it as necessary 3...

Страница 7: ...le cause 2 Excessive Pressurized Enclosure PE leakage Check around the PE when flow is taking place Any significant leakage must be cured Has a Leakage Test been done The total leakage should not exce...

Страница 8: ...Arrestor with circle clip Fix Spark Arrestor to Enclosure ensuring that Control Unit and Spark Arrestor are diagonally opposed 5 Connect output dry contact alarm as required 6 Connect isolated air su...

Страница 9: ...Quick Installation Guide PCFF1YZ...

Страница 10: ...clip Fix Spark Arrestor to Enclosure ensuring that Control Unit and Spark Arrestor are diagonally opposed 5 Connect output dry contact alarm as required 6 Connect isolated air supply to Control Unit 7...

Страница 11: ...Spark Arrestor Orifice Relief Valve Drawing...

Страница 12: ...Relief Valve Position Relief Valve Cutout Schematic for both PCFB1YZ and PCFF1YZ...

Страница 13: ...instructions and Article 504 of the NEC ANSI NFPA 70 3 For guidance on Installation see ANSI ISA RP12 6 Installation of IS Instrument Systems in Class I Hazardous Locations 4 Voc or Vt of associated a...

Страница 14: ......

Страница 15: ......

Страница 16: ...Hoffman Enclosures Inc 2100 Hoffman Way Anoka Minnesota 55303 1745 USA Phone 763 422 2211 www hoffmanonline com P N 89108870 Dwg 89109562 A...

Страница 17: ......

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