Copeland Compressor CS20K6E-PFV-255

08/14/2020

What should I do if the screw compressor fails

Nowadays, in the summer, the use of air conditioners is increasing. If the screw compressor fails, how to repair it? First, check out where the fault is. After the inspection, repair or replace the damaged parts, as follows:

06/27/2022

How to Test an Encoder with a Digital Multimeter

A basic multimeter can be utilized to measure the encoder’s parameters. Bear in mind that a digital multimeter can measure the average duty cycle, frequency, peak voltage, and average voltage of an encoder.

08/10/2020

Four anti-corrosion methods for heat exchangers

There are four main anti-corrosion methods for heat exchangers: corrosion-resistant materials, electrochemical protection, adding corrosion inhibitors, and anti-corrosion coating methods.

08/02/2020

Basic principles of data center cooling and energy saving solutions

Each data center has its own characteristics, so there is no technical solution that can be applied to any data center. This document mainly discusses some basic principles and technical issues in data center cooling and energy saving.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

03/01/2024

A Guide to Fresh Air Ventilation System: Working Principle, Functions ＆ Types

Fresh air ventilation system, also known as "house breathing system", is a type of indoor exhausting and ventilation system. It can discharge the dirty indoor air to the outside while also pulling fresh outdoor air into the room.

09/07/2020

The essentials of air compressor selection

When buying an air compressor, in addition to the purchase cost, how to reduce electricity expenses? How to extend the service life of the air compressor? How to provide air pressure smoothly?

03/17/2023

Six Common Faults and Solutions of Water Pump

What you need to do first is to check the power supply: whether the joint is firmly connected, the switch contacts tightly, the fuse is blown, three-phase power supply is equal.

08/17/2020

What is the reason for the excessive leakage of the refrigeration compressor

1. Insufficient oil flow, increase the oil supply appropriately; 　　2, the assembly sequence of the refrigeration compressor stuffing box is unreasonable and should be assembled according to the procedure;

09/07/2020

The contents of air compressor major, medium and minor repair

What are the specific contents of air compressor major, medium and minor repairs? 　　What is included in the overhaul of the compressor? 　　Answer: Compressor overhaul is generally carried out once after 12,000-26,000 hours of operation.