Chilled Water Circulating Pumps , Purpose:
Chilled Water Circulating Pumps , The purpose of this SOP is to define the operating procedure of chilled water and cooling water circulating pumps of HVAC system of XX Pharmaceuticals Ltd.
Chilled Water Circulating Pumps , Scope:
This Standard Operating Procedure applies to the chilled and cooling water circulating pumps installed at the roof top area of Sterile Block of XX Pharmaceuticals Ltd.
Definitions / Abbreviation:
VSD: Variable Speed Driver.
Responsibilities:
[][]The roles and responsibilities are as follows:
Engineering (Validation) Department
[][]Preparing the SOP and revise it when necessary.
[][]Engineering (Maintenance) Department
[][]To provide necessary support for smooth operation of the system.
Operator
[][]To operate the system according to the SOP.
Manager, Engineering
[][]To ensure that the system is operated properly.
Manager, Quality Assurance
[][]To approve the SOP.
[][]To ensure overall implementation of this SOP.
Annexure:
N/A
Procedure:
Precautions:
[][]All operation work must be done safely in accordance with the requirements of the Plant Safety Statement and the safety notices around the plant.
[][]In HVAC system, chilled water is used to cool the air inside the AHUs. This chilled water is produced in chiller and circulated from chiller to heat exchanger of AHUs through pumps. This acts as a closed loop.
[][]In cooling tower, the cooling water is circulated from cooling tower to the condenser of chiller through pumps.
Pre-start check
[][]Ensure that pipeline is filled with water. If there is not sufficient water, the pump may be damaged.
Starting Procedure
For VSD
[][]Switch on main circuit breaker to give electrical power to VSD.
[][]Press the “HAND” button and then press the Green button on VSD to start the pumps.
[][]Press the green button to start the pump. During operation check for any alarm (RED indicating light)
#Stopping Procedure
#For VSD
[][]Switch off the pump by pressing the red button on VSD.
[][]Switch off the main circuit breaker.
[][]For Star Delta connection
[][]Press the RED button to switch OFF the pump.
[][]Switch off the main circuit breaker.