Hitachi Compressor 354DH-56Q2

07/07/2020

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

06/20/2020

Application advantages and working process analysis of air energy heat pump

Air energy heat pump is to use the energy in the air to generate heat energy. It can provide 24 hours a day with large water volume, high water pressure and constant temperature to provide the family with different hot water, cooling and heating needs, and at the same time can meet the above requirements with the least energy consumption.<img src="{{media url=&quot;Application_advantages_and_working_process_analysis_of_air_energy_heat_pump.jpg&quot;}}" alt="" />

08/21/2020

A newly installed air conditioner trips as soon as it is plugged in. What's the matter

This question is about the first use of newly purchased appliances. This question actually asks two questions: First, the newly installed air conditioner trips as soon as it is plugged in. Why?

06/14/2020

Judgment and common sense of fluoride deficiency in central air conditioning

The amount of fluoride added to large central air conditioners is generally more, and there are more types of refrigerants. The specific amount can be added according to the label on the nameplate. It is necessary to grasp the amount.

09/04/2020

How to improve enterprise safety management

Enterprise safety self-inspection is an important measure for enterprises to implement the main responsibility of safety, and it is also a skill that enterprises must master.

07/01/2020

Experts teach you how to maintain the compressor in summer

Experts teach you how to maintain the compressor in summer The summer is coming, and the maintenance of various mechanical equipment needs to be done properly. Otherwise, this hot and humid weather in summer will cause many machines to be damaged and affect the operation, resulting in a reduction in work efficiency. How to maintain the compressor in summer? Let's take a look.

08/19/2020

Common mistakes in daily operation of industrial chillers

The operation of the industrial chiller system works through three interconnected systems: refrigerant circulation system, water circulation system, and electrical automatic control system.

11/26/2024

What is a DC Compressor? A Comprehensive Guide

A DC compressor is an electrical compressor that is powered by direct current (DC) electricity.

08/19/2025

Heat Pump Making Loud Noise in Cold Weather: Causes and Solutions

When the temperature drops outside, your heat pump becomes an essential part of your home's heating system. While it's common for heat pumps to make some noise during operation, loud or unusual noises can be a cause for concern.

07/20/2020

Air conditioning sensor principle and application

The temperature sensor used in air conditioning mainly uses a negative temperature coefficient thermistor (also known as NTC thermistor). The temperature sensor is made of manganese, cobalt, nickel, copper and other metal oxides as the main materials,