SOR Sub Mini Hermet - Manual

Form 264 (08.13) ©SOR Inc. 1/4
These instructions cover mounting, process connection, electrical
connection and calibration of the Sub Mini-Hermet Explosion Proof
Pressure Switches.
The switching element is hermetically sealed in an explosion proof
capsule that is SAA Approved Ex s IIC T6 for Class I, Zone 1, and
UL Listed and CSA Certified for hazardous locations Class I,
Groups A, B, C & D; Class II, Groups E, F & G; Divisions 1 & 2.
Sub Mini-Hermet
Pressure Switches
General Instructions
Registered Quality System to ISO 9001
NOTE: If you suspect that a product is defective, contact the
factory or the SOR
® Representative in your area for a return
authorization number (RMA). This product should only be
installed by trained and competent personnel.
Installation
The pressure switch may be line mounted to either rigid process piping or electrical
conduit. The body of the pressure switch should be clamped to a suitable member on
applications when rigid process piping or electrical conduit is not available.
Design and specifications are subject to change without notice.
For latest revision, go to sorinc.com
Process Connection
Use two wrenches when connecting process pipe: a 1-1/8-inch open-end wrench to hold
the hex port while connecting the process pipe; the other wrench to tighten the process
pipe or tube fitting.
When rigid process piping is used, it is important that no bending or torsional
forces be imposed on the pressure Switch.
Safety Integrity Level (SIL) Installation Requirements
The SOR pressure switches have been evaluated as Type-A safety related hardware.
To meet the necessary installation requirements for the SIL system, the following
information must be utilized:
„ Proof Test Interval shall be one year.
„ Units may only be installed for use in Low Demand Mode.
„ Products have a HFT (Hardware Fault Tolerance) of 0, and were evaluated in a
1oo1 (one out of one) configuration. Form 1538 (03.12) ©2012 SOR Inc.