Maintaining the chiller in winter
How to make maintenance for high-efficiency to an industry chiller in a winter day?
The chiller units are vital to industrial applications all year round. it‘s necessary to maintain your chiller to prevent chiller failure in the winter. Usually, the chiller system is part of your outdoor unit, so it’s exposed to extreme weather. If neglecting maintenance chillers during this period, It may make them susceptible to damage and a high maintenance cost. Thus, industrial operators have to implement good maintenance practices in winter weather conditions. This article highlights some of these practices and tips for ensuring a high-efficiency chiller during the cold season.
Taking the following steps to help your chillers avoid disasters in the immediate and distant future.
1.Keep a daily log
The first step toward winter chiller maintenance for an efficiently run chiller plant is keeping a daily log. This log allows you to build a history of operating conditions including temperatures, pressures, fluid levels and flow rates. With remote monitoring technologies, you can continually check machines rather than monthly or every other month. It also allows you to easily generate trend reports that help to identify maintenance needs before they become an issue.
2. Clean and Maintain Your Chiller
Cleaning and clearing snow and ice from the chiller condenser, also keeps your coil and chiller tubes free of pollutants because they increase thermal resistance, resulting in lower heat transfer capabilities. We recommend that you annually clean and brush the condenser bundle tubes. Equipment operators should regularly disassemble the dust-proof net for cleaning. It’s necessary to check and clean your tower, pump strainers, and nozzles for free flow and condenser water pumps.
3.Inspect your chiller for leaks /Identify leaks
Check your unit for leaks daily , and inspect for cracks or corrosion that can lead to future leaks. Leaks result in a less efficient system and can release harmful refrigerant into the air. Small cracks will inevitably form over time However, it’s much easier to remedy these cracks when they’re small than to wait to remedy a critical failure caused by larger cracks. By identifying and repairing these smaller cracks, you’re improving chiller efficiency while saving money and time in the long run.
4.Check the electrical control system of the chiller.
The electrical control system of the chiller is the core control center of the entire system, and the lines will be deformed, corroded, or even broken due to long-term harsh environment operation, which requires us to periodically record and maintain.
5.Inspecting and analyzing water, oil and chiller refrigerant level
Make sure your chiller refrigerant levels are within the manufacturer’s recommended levels. At the same time, you should check oil levels and refill as needed. Checking water can be a little more complicated. It’s wise to have a water sample tested for impurities and pH levels. When these levels are off, impurities build up more easily, decreasing thermal resistance and reducing system efficiency。
6.Take a Lower entering water temperature
You could improve the chiller’s efficiency by lowering the inlet temp of condenser. The operator will lower the chilled water set point on some building systems. This is to overcome air handle deficiencies such as a dirty coil. As a result, it makes a chiller work harder for the same net cooling effect.
For friends in the chemical industry, new energy industry, wine brewing industry, vacuum coating industry, mechanical processing and other industries, we must pay attention to the use and maintenance of winter chillers. If you have any questions, please contact Dennice.
