PHOENIX Relay 2940087

08/05/2020

How does the air conditioner collect fluoride

1. Method: The method of collecting fluorine should be correct. Under the state of turning on and cooling, open the covers of the two connecting pipe valves of the outdoor unit with a wrench, use 5 hexagonal wrenches,

09/07/2020

The working principle of the frequency converter

The main circuit is the power conversion part that provides the voltage and frequency power supply for the asynchronous motor. The main circuit of the frequency converter can be roughly divided into two categories:

06/26/2020

Compressor starting circuit diagram

[Introduction] Compressor startup circuit diagram. Refrigerators, air conditioners and other appliances, the compressor is driven by a single-phase induction motor. When starting, the induction motor must overcome both its own inertia and high-pressure refrigeration

08/06/2020

Material selection specification in cold storage design

In addition to heat insulation and moisture-proof materials, cold storage design materials include bricks, stones, cement, concrete, mortar, steel bars, and wood.

05/03/2022

Differences Between AC Contactor and DC Contactor?

The working principle of DC contactor is similar to that of AC contactor. They all make the main contact on or off through the actuation of electromagnetic coil.

08/03/2020

The difference between refrigerant R404A and R507

Refrigerant is also called refrigeration working fluid, which is the blood of refrigeration system. It is called refrigerant, refrigerant or Freon in many places.

06/29/2020

What is the cause of compressor pipeline vibration

07/07/2020

Future trends of semi-hermetic screw compressors Unseen companies may be eliminated

Future trends of semi-hermetic screw compressors Unseen companies may be eliminated From single screw to single-machine two-stage, from ordinary type to frequency conversion, environmental protection, energy-saving type, from single product to system solutions, the development of semi-hermetic screw compressors has never stopped, and has continuously penetrated into major refrigeration projects.

11/28/2024

FANUC Spindle Amplifier Alarm Codes and Solutions (1)

FANUC CNC system has two mainstream servo drive amplifiers - αi and βi series servo drive amplifiers.

06/15/2022

How to Select a HMI?

There are three basic types of HMIs: the pushbutton replacer, the data handler, and the overseer.