Page 5 - F10-BPS-YZ101B-Installation-Manual

Unit Layout

Unit Layout & Component Description

Enclosure Pressure Gauge

Enclosure Pressure
Reference Connection

Atmospheric Reference

Venturi Orifice

Unit Supply Connection

Enclosure Pressure Control
Regulator

Model YZ101B-CII-L-U Enclosure Supply
Less Pressure Switch Connection
Rear View

Model YZ101B-CII-W or B-V
With Pressure Switch
Rear View
Typical Pneumatic Flow Diagram

Protective
Gas Supply
Optional EXP Enclosure Pressure (optional)
Pressure Switch Gauge Purge Vent

Enclosure
Reference
Venturi
Orifice
Enclosure
Denotes Customer Warning
Supplied Tubing Redundant Regulator Label
Pressure Gauge

Enclosure
Inlet Supply

Redundant Regulator Enclosure Pressure
(optional) Control Regulator Protected
Enclosure

© 2018 - Best Purging Systems Corporation BPS YZ101B IOM-R1.0 Page 5 of 14