Danfoss Expansion Valve 148X0397

08/23/2024

Refrigerator Buying Guide: How to Choose a Refrigerator (Part 2)

Freezing capacity is the weight of food frozen to -18℃ in 12 hours by a refrigerator. The stronger the freezing capacity, the faster it can lock the freshness and moisture of the ingredients through ice crystals.

09/08/2020

What are the criteria for how to choose an air compressor

When choosing an air compressor, we should actually pay attention to some principles, so that we can compare and choose the ones that are more suitable for us. Today, let's talk about the matters we should pay attention to when choosing an air compressor.

08/08/2020

Air conditioner knowledge these 23 application skills you should know

Air conditioner knowledge these 23 application skills you should know Air-conditioning is an indispensable part of the home, especially in the hot summer, it is simply a magic weapon to get rid of the heat.

08/20/2020

Introduction of solenoid valve and troubleshooting method

1. Symptoms-the solenoid valve does not open possible reason: 　　1 The coil has no voltage. 2 Incorrect voltage/frequency 3 Coil burned out 4 Pressure

08/21/2020

Causes and troubleshooting of industrial chillers

1. High condensing pressure (higher than the specified value) failure causes and remedies: 　　① Non-condensable gas in the system: release non-condensable gas.

07/07/2020

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

08/11/2020

Precautions for compound evaporative cooling system in air conditioner

The composite evaporative cooling system is a composite system that organically combines the evaporative cooling device and the compression refrigeration and air conditioning system, and is

08/20/2020

Common sense of home appliances how to use an air conditioner for ten years

The weather is getting hotter, and many users have turned on air conditioners. However, many people also responded that the air conditioner in their home was only newly bought, so why didn't they work?

06/28/2020

Compressor-Hitachi 3p cold storage compressor

Compressor-Hitachi 3p cold storage compressor How to distinguish the big feet of Guangzhou Hitachi inverter fixed frequency compressors? The busier the production, the more problems. Recently, many customers are asking us if Guangzhou Hitachi Inverter Fixed Frequency Compressor still has big foot machine and small foot machine? How to distinguish?

07/20/2020

What are the specific operation methods for the maintenance of cold storage screw compressors?

　 Before the cold storage screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pipeline connected to the compressor should be cut off and the refrigerant and lubricating oil in the compressor should be discharged before the compressor can be disassembled.