SOP for Cleaning of Chilled Water System

1.0 OBJECTIVE

To lay down the procedure for cleaning of the chilled water system.

2.0 SCOPE

This SOP shall be applicable for cleaning of the chilled water system in utility block.

3.0 RESPONSIBILITY

Operator/Officer

4.0 ACCOUNTABILITY

Head of Engineering

5.0 PROCEDURE

5.1 Ensure chiller is OFF at the time of cleaning the chilled water system.
5.2 Drain the pipeline by using drain valves.
5.3 Drain the hot well and cool well tank.
5.4 Clean the tanks with a dry cloth.
5.5 Remove the strainer cover.
5.6 Clean the strainer of evaporator, condenser and secondary pumps by potable water. If required use the nylon brush.
5.7 Fix the strainers properly, keep the gasket and tighten the nuts and bolts.
5.8 Fill the water (soft or potable) in hot well and cold well.
5.9 Fill the water in the pipeline of evaporator, condenser and by starting the secondary pumps.
5.10 Frequency for cleaning of the chilled water system is once in a month.
Related: SOP for Cooling Systems (Chillers)

6.0 ABBREVIATION

6.1 SOP: Standard Operating Procedure

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