HONGFA Relay HF18FF-024-4Z1D

06/24/2020

What is the reason why the freezer is not cooling

It may be that the capillary is blocked and the refrigerant flow does not enter the evaporator. It may also be that the refrigerant needs to be replenished or the refrigeration system is leaking. If the buffer tube inside the compressor ruptures, there may be loose screws or it will cause no cooling. It is also possible that the expansion valve and the discharge valve are not adjusted properly, causing cold air to leak out. Need to check one by one, and then take the medicine.

06/14/2020

What should I do if the refrigeration compressor has serious frost

1. The frost on the compressor return air port indicates that the temperature of the compressor return air is too low, so what will cause the compressor return air temperature to be too low?

08/17/2020

Why is the meter still running after the air conditioner is shut down

In the process of using home appliances, friends will always encounter some weird problems more or less. For example, the air conditioner makes strange noises, the soymilk machine suddenly stops turning, and so on

08/09/2020

Why the cold storage must install special lights for cold storage

It is a necessary item to install cold storage lights in cold storage construction. Is it possible to choose general lighting to install in cold storage? What are the benefits of installing professional cold storage lights in cold storage?

08/15/2020

Is the filter of the refrigerator clean or replaced

What is the filter of the refrigerator? Regardless of whether the refrigerator is air-cooled or water-cooled, there is actually a filter. The filter is generally used together with a desiccant, called a drier. What is the function of the filter?

06/25/2020

Classification of air-conditioning compressors

The air-conditioning compressor plays the role of compressing and driving the refrigerant in the air-conditioning refrigerant circuit. The working circuit is divided into an evaporation area (low pressure area) and a condensation area (high pressure area). The indoor unit and outdoor unit belong to the high-pressure or low-pressure area (depending on the working state), and the compressor is generally installed in the outdoor unit.

06/29/2020

What is the cause of compressor pipeline vibration

12/19/2024

Mitsubishi Servo Drive Fault Codes and Troubleshooting Methods

Mitsubishi servo system consists of servo motor, controller, and servo drive (also called servo amplifier), mainly including MR-J2S series, MR-J series, MR-H series, MR-C series, MR-J2 series, MR-J2S series, MR-E series, MR-J3 series, MR-ES series, MR-JE series, MR-J4 series, etc.

08/10/2023

Heat Pump Not Working in Cold Weather: Causes and Solutions

A heat pump is a popular heating and cooling system that works by transferring heat from one place to another. It can heat your home in the winter and cool it in the summer, making it a versatile and cost-effective option for many homeowners.

08/31/2020

Play screw technology to the extreme-re-disc medical vacuum screw technology

The earliest history of mankind's vacuum can be traced back to the 6th century BC. The smelting furnace and alchemy furnace's blast design utilizes negative pressure suction and pressurized exhaust.