CHILLED WATER
Chilled water systems have become a pioneering solution, transforming how we cool our buildings and industrial areas. Going beyond conventional air conditioning techniques, It presents a sustainable and economical option. we delve into the fundamentals of chilled water technology, its wide-ranging applications, and the environmental and financial advantages that accompany its implementation.
Chilled Water Systems function:
Chilled water systems function by extracting heat from a space or equipment by circulating chilled water. The water is cooled to a low temperature in a central plant and then distributed through a network of pipes to different locations where it absorbs heat. It then returns to the central plant to be chilled once again.
These systems offer significant energy efficiency benefits. By consolidating the cooling process, larger and more efficient chillers can be utilized, resulting in improved performance. Additionally, this centralized approach enables better monitoring and control, leading to reduced overall energy consumption.
Chilled water systems find extensive applications in different sectors:
Commercial Buildings:
It is commonly utilized in commercial buildings for air conditioning purposes. They offer precise temperature regulation, ensuring a comfortable environment for occupants. Moreover, these systems are versatile and can be adapted to accommodate various building sizes and layouts.
Industrial Processes:
chilled water plays a vital role in controlling temperatures during manufacturing processes. Whether it is pharmaceuticals or food and beverage production, chilled water systems provide accurate and dependable cooling, thereby contributing to the overall quality and safety of the products.
Data Centers:
Data centers generate substantial heat due to the continuous operation of servers and electronic equipment. Chilled water systems are employed to efficiently dissipate this heat, thereby maintaining optimal operating conditions for the sensitive equipment and minimizing the risk of overheating.
Advantages of Chilled Water Systems:
Environmental Responsibility:
It plays a crucial role in promoting environmental sustainability by optimizing energy consumption. By incorporating eco-friendly refrigerants and energy-efficient technologies, centralized cooling plants align with global efforts to minimize carbon footprints.
Financial Benefits:
Although the initial installation of chilled water systems may require a substantial investment, the long-term cost savings are significant. The energy-efficient operation, reduced maintenance requirements, and prolonged equipment lifespan contribute to a favorable return on investment.
Versatility and Expandability:
It offers both versatility in design and expandability. The modular structure of the system allows for effortless expansion or modification to accommodate changing cooling needs, making it a future-proof solution for evolving requirements.
SOP FOR MAINTENANCE OF CHILLED WATER LINE
OBJECTIVE: To lay down a procedure for maintenance of the Chilled Water Line
SCOPE: This SOP applies to the Chilled Water Line.
RESPONSIBILITY: Technical Supervisor / Engineer
ACCOUNTABILITY: Sr.Executive / Manager
PROCEDURE
Daily Maintenance
Give the chemical dosing of 2902 Quantity of 250ml in a chilled water makeup tank.
Put a Tick mark in the Daily Check Sheet after the completion of each activity. If it is not OK. put a cross (X) in the Daily Check Sheet indicating the reason in the remarks column.
Immediately inform the concerned superior if it is not O.K (X) and take necessary corrective action as per the advice.
Any such deviations should be maintained in the Machine History Cord along with necessary corrective action and its compliance thereof.
Weekly Maintenance
Ensure that the chilled water line is free from dust.
Ensure no leaks from the joints of pipelines
Ensure the makeup water in the tank should be ¾ of the level.
Check and ensure the function of gauges and valves.
Put a Tick mark (Ö ) in the Weekly Check Sheet.
Monthly Maintenance
Check the hardness of the water with the hardness kit, which should be in the limit of 0 to 50 mg/ Litre.
Check the Total dissolved solids (Limit <1000 mg/Litre), Alkalinity (Limit 200-300 mg/Litre) and iron level should be 0.1 – 0.5 mg/liter).
Put a Tick mark in the Monthly Check Sheet.
Half Yearly Maintenance
Check the smooth and snag operation of the butterfly valve
Ensure no leaks from the slim seal, arrest if it’s leaking.
Clean pot strainer and vent valves
Put a Tick mark in the Half Yearly Check Sheet.
Yearly Maintenance
Calibrate all pressure gauges and temperature gauges
Ensure the chilled watercolor should be whitish. If it is a reddish color, remove the total water and fill it with fresh demineralized water.
Review the chemical dosing system after analyzing the treatment report.
Put a Tick mark (Ö) in the Yearly Check Sheet.
