ABB Power Supply CP-E 24/20.0

07/31/2020

How to judge the freezer has aged

Long-term use of the freezer will cause some large and small problems. The freezer in many people's stores has gradually become aging for some years

08/20/2020

Multi-line system characteristics and common faults

Multi-connection is commonly known as "one-to-many". A multi-connection system is an outdoor unit connected to multiple indoor units, and each indoor unit can be freely run/stopped, or grouped, or centralized.

06/29/2020

How the compressor works

08/16/2020

How to prevent clogging of high temperature heat pump dryer bag

The main reason for the clogging of the dust collector bag of the high temperature heat pump dryer is that the filtering wind speed is too large, the dust is too fine, the dust is sticky, the dust bag is not cleaned, and the dust bag is damp.

08/18/2021

How to Repair Your Servo Motor

First, you need to do the following things before starting the servo motor. Measure the insulation resistance (for low voltage motor it should not be less than 0.5m).

04/14/2022

What is A Flowmeter?

Modern flowmeter is an exquisite instrument developed in the 18th and 19th centuries. The type of flowmeter are constantly improved with the change of society

08/21/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that HVAC engineering includes many systems, the situation is complicated, and most of the pipes are hidden in tube wells, walls, ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go on your shoulders!

08/11/2020

Which three points should refrigerating machine manufacturers pay attention to when doing air tightness test

After the assembly of each refrigeration unit is completed, a series of tests are required to ensure the safe and stable operation of the unit, and there is an air tightness test. So, what should the refrigerator manufacturer pay attention to when doing the air tightness test?

08/20/2020

Poor heat dissipation of screw chiller and its treatment

Poor heat dissipation of screw chillers and treatment methods: When the condenser heat dissipation is poor, the compressor efficiency is low, and the operating current is increased.

09/08/2020

Comparison of five common air compressor oil types

1. Group II/III air compressor oil Choose appropriate additive formulations such as antioxidants and rust inhibitors, which have certain anti-oxidation performance and high temperature stability, less sludge and carbon deposits