Chapter 7 - Maintenance and Calibration Procedures
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06/25/2019
Chemical Equipment
© Versum Materials US, LLC. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
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Versum Materials Confidential
NOTE:
Maintenance personnel shall make use of a step stool or small ladder to safely
access the ChemGuard
®
CG050 GEN III controller. Operating personnel shall make
use of a step stool to access the touch screen monitor as required.
7.1 Introduction
The ChemGuard® CG050 is designed to have minimal maintenance activity associated with
its electronics. Proper Lockout-Tagout procedures should be followed to ensure that power is
disconnected from the electronic enclosure before any work is performed on this equipment.
7.2 Calibration and Testing
Calibration and testing, and any resulting maintenance, should be performed at regular
intervals. Refer to recommended inspection table below.
Only qualified personnel trained on the Operation and Maintenance of the ChemGuard®
CG050 GEN III should attempt to perform maintenance and calibration of the System.
Table 7-1: Inspections Schedule
Periodic Inspection
Frequency
Power Supply Verification
12 Months
Bubbler Scale Verify/Calibration
24 Months or When replaced
Sump Spill Sensor Verification
24 Months
R1 and R2 Regulator Verification
– refer to chapter
3, section 3-12
12 Months
PT1 and PT2 Verification
– refer to chapter 3,
section 3-12
12 Months
Ultrasonic Sensor Verification
12 Months
Ultrasonic Sensors Maintenance
24 Months
Vapor Detector Verify/Calibration
12 Months
High Temp Sensor Verification
12 Months
