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Model YZ104
CLASS I APPLICATIONS
250 CUBIC FEET
Type Y or Z
Purge Unit
Installation & Operation Manual
BPS YZ104 IOM-R1.0
9/18
Model YZ104-CI-L-U
Less Pressure Switch
shown w/ Mounting Flange
Model YZ104-CI-W or B-V
Model YZ104-CI-W or B-H
With Pressure Switch
With Pressure Switch
shown w/ Mounting Flange
shown w/ Mounting Flange
Copyright © 2018 - Best Purging Systems Corporation All Rights Reserved
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Table of Contents
Summary of Contents for bp YZ104
- Page 1 Installation & Operation Manual BPS YZ104 IOM-R1.0 9/18 Model YZ104-CI-L-U Less Pressure Switch shown w/ Mounting Flange Model YZ104-CI-W or B-V Model YZ104-CI-W or B-H With Pressure Switch With Pressure Switch shown w/ Mounting Flange shown w/ Mounting Flange Copyright © 2018 - Best Purging Systems Corporation All Rights Reserved...
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Page 2: Table Of Contents
Page 14 Unit Identification Information Technical Description IMPORTANT NOTE Model YZ104 is a Type Y or Z purge unit designed to protect Operating this unit without a Model PV-4 Purge electrical equipment in Class I hazardous locations. Type Z Vent may cause harm, death or dismemberment to applications reduce the hazardous location rating inside the personnel and can cause damage to instrumentation. -
Page 3: Identifying Your Unit
70 and all relevant international, nation and local codes. The Authority Having Jurisdiction must approve all electrical installations. Failure to follow electrical warnings can cause harm, death or dismemberment to personnel and can cause damage to instrumentation. © 2018 - Best Purging Systems Corporation BPS YZ104 IOM-R1.0 Page 3 of 14... -
Page 4: Getting Started
Header 1/4” Tubing Protected Enclosure Protected Unit Supply Protected Enclosure 1/2” Tubing Enclosure Purge Unit Enclosure Supply Multiple Enclosure Supply 1/2” Tubing 1 1/2” Rigid Pipe Page 4 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation... -
Page 5: Unit Layout
Venturi Orifice Enclosure Denotes Customer Warning Purge Injection Supplied Tubing Label Pressure Gauge Purge Control Valve Enclosure Supply Inlet Regulator Enclosure Pressure Protected Control Valve Enclosure © 2018 - Best Purging Systems Corporation BPS YZ104 IOM-R1.0 Page 5 of 14... -
Page 6: Mounting And Installation
0.5” 6.0” 0.25” Typ. 6 10.0” 11” 11.5” Model PV-4-T Top Mount Purge Vent Model YZ104-CI-W or B-H Model PV-4-S Front View Side Mount Purge Vent Page 6 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation... -
Page 7: Mounting Set Up
MINIMUM COOLONG TIME: BEST PURGING SYSTEMS CORPORATION WWW.PURGEIT.COM LA MARQUE, TEXAS USA AREA CLASSIFICATION PRESSURIZATION TYPE TEMPERATURE CODE BEST PURGING SYSTEMS CORPORATION WWW.PURGEIT.COM LA MARQUE, TEXAS USA © 2018 - Best Purging Systems Corporation BPS YZ104 IOM-R1.0 Page 7 of 14... -
Page 8: Pressurization Unit Set Up
Optional Enclosure Pressure Switch Set up if required. Cross Ventilation Diagram Required Protective Gas Supply Purge Vent Header Enclosure Reference Tubing Purge Unit Unit Supply Tubing Protected Enclosures Page 8 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation... - Page 9 Control Valve Unit Start Up Instructions Optional EXP Model YZ104-CI-L-U Less Pressure Switch Pressure Switch Front View Model YZ104-CI-W or B-V With Pressure Switch Front View © 2018 - Best Purging Systems Corporation BPS YZ104 IOM-R1.0 Page 9 of 14...
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Page 10: Warranty & Liability Statements
Product. Questions concerning stated and unstated limitations to liability may be referred to the Corporate Management Group of the Manufacturer at 4725 Lawndale, La Marque, Texas 77568, USA. Page 10 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation... -
Page 11: Factory Repair & Service Guide
Factory Repair & Service Guide TERMS & CONDITIONS If all reasonable efforts to resolve an apparent performance issue with a Best Purging Systems Model YZ104 Pressurization Unit do not resolve the issue, a Return Material Authorization (RMA) number may be secured to return the Unit to Best Purging Systems whether the return is for warranty or non-warranty repair, shipping damage, or any other reason. -
Page 12: Reference Information
Recommended Practice for the Classification of Flammable Liquids, Gasses or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas. NFPA 497 2017 edition Page 12 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation... -
Page 13: Maintenance & Service Notes
Maintenance & Service Notes © 2018 - Best Purging Systems Corporation BPS YZ104 IOM-R1.0 Page 13 of 14... -
Page 14: Unit Identification Information
Customer P.O. Number: _______________________________ Customer Project Number: _____________________________ Service Identification: _________________________________ Location: ___________________________________________ Application: _________________________________________ INSTALLATION NOTES : ___________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ Page 14 of 14 BPS YZ104 IOM-R1.0 © 2018 - Best Purging Systems Corporation...
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