Danfoss Compressor SM161A3RQ

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.

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

07/14/2020

The role of the compressor

The role of the compressor The compressor is the power core of the refrigeration system of the air conditioner. It can inhale the low-temperature and low-pressure refrigerant vapors to increase the temperature and pressure,

03/30/2023

What Type of Compressor is Used in Air Conditioner

The compressor is the core component of the air-conditioning refrigeration system, and it plays the role of compressing and driving the refrigerant in the air-conditioning refrigerant circuit.

06/22/2020

Causes and judgement of centrifugal compressor surge

Causes and judgement of centrifugal compressor surge Causes of centrifugal compressor surge ①Flow<img src="{{media url=&quot;Causes_and_judgement_of_centrifugal_compressor_surge.jpg&quot;}}" alt="" /> Each centrifugal compressor corresponds to a curve between outlet pressure P and flow rate Q at different speeds n, as shown in Figure 2.

06/14/2020

Capillary

The capillary tube is the simplest throttling device. The capillary tube is a very thin diameter red copper tube with a specified length. Its inner diameter is generally 0.5 to 2 mm. Characteristics of capillary tube as throttling device

08/24/2020

How long is the service life of the refrigerator

Currently, there is no mandatory standard for the service life of electrical appliances.<br></br> 　　 The "Safety Life of Household Appliances" formulated by the Household Appliances Industry Association specifies that the safe use of refrigerators is 10 years.

04/13/2022

How to Unclog Expansion Valve?

In the air conditioning and refrigeration system, the blockage fault of expansion valve often occurs. The general blockage faults mainly include "ice blockage" and "dirty blockage".

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

02/25/2020

Why is the air conditioner not cooling

1.Check whether the compressor is working normally. If the compressor is broken, the air conditioner cannot start normally and there will be no cooling effect. 2. There is not enough refrigerant in the air conditioner. At this time, you need to add Freon, and the time for adding Freon can be very long. 3. The air conditioner itself has quality problems and the electrical components have failed. In this case, you need to find a master to repair it.