SOP for Safe and Effective Operations of the Air Compressors

1.0 OBJECTIVE

To lay down the procedure for safe and effective operations of the Air Compressors.

2.0 SCOPE

This SOP shall be applicable for Air Compressors.

3.0 RESPONSIBILITY

Operator/Officer

4.0 ACCOUNTABILITY

Head of Engineering

5.0 PROCEDURE

5.1 For Starting of the Air Compressors

5.1.1 Ensure inlet and outlet valves are open of cooling tower pump.
5.1.2 Press the “Green push button” of Cooling Tower pump (Air Compressor) and press the “Green push button” of Cooling Tower fan.
5.1.3 Ensure that the water pressure is within the 1 kg/Cm² to 3 kg/ Cm².
5.1.4 Turn the “Main switch” of Air Compressor on its operating panel.
5.1.5 Keep control rotary switch in “ON” position.
5.1.6 There will be alarm; press the Mute button, the alarm will be off.
5.1.7 Press “Acknowledge” button and Reset button.
5.1.8 Press “Green push button” for starting the compressor.
5.1.9 See the Air pressure on the pressure gauge. After it reaches 4 Kg / Cm² open the receiver valve.
5.1.10 The compressor will go in unload position at pressure 8.2 Kg/ Cm² to 8.8 Kg/ Cm² and it will go in load position when the pressure drops to 7.0 Kg/ Cm² to 7.6 Kg/ Cm².
5.1.11 Based on the requirement of Air in the plant or Air Pressure is lower than 7.0 Kg/ Cm² at M.S. receiver in the load position, start one more Air Compressor.

5.2 For Stopping of the Air Compressors

5.2.1 Press the “Red” push button on the Air Compressor panel to switch off.
5.2.2 Drain the Air Receiver after switching of the Air Compressor.
5.2.3 “Turn off” the main switch on Air Compressor panel.
5.2.4 Press “Red push button” of Cooling Tower Pump (Air Compressor).
5.2.5 Press “Red push button” of Cooling Tower Fan.

6.0 ABBREVIATIONS

6.1 SOP: Standard Operating Procedure
6.2 Kg: Kilogram
6.3 Cm: Centimeter

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