Servo Fan PUDC12Z4R

08/19/2020

Tips for quick air conditioning

1: The press does not start, there is no problem with the temperature setting, but there is no response after power on<br></br> 　　 The compressor does not turn, the fan turns, you must first look at the capacitor

08/14/2020

Cold storage management, maintenance, use and troubleshooting methods

Treasury management should set up a special team, pay special attention to waterproof, moisture, heat, cold running, and fluorine escape, and strictly control the five barriers of ice, frost, water, doors, and lights.

08/04/2020

Reasons for unstable temperature of refrigerated truck cargo box

In the transportation of frozen and refrigerated food in large supermarkets, refrigerated trucks must be used as carriers.

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

07/07/2020

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

08/13/2020

What are the thermal state parameters of the refrigerant

In the refrigeration cycle, the working fluid continuously changes its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid

01/10/2025

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure Mitsubishi Heavy Industries Haier Air Conditioner is a central air conditioner produced by a large electric appliance group Haier 器2䀀
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05/02/2022

How Do The Components of Surge Protector Work?

Surge protector is composed of five parts: discharge gap, discharge tube, varistor, suppression diode and choke coil which includes at least one nonlinear voltage limiting element.

07/01/2020

Three major causes of compressor cracks in winter

Three major causes of compressor cracks in winter When using the compressor in winter, we may encounter some problems, such as cracks in the compressor body. There are many ways to cause cracks in the compressor. After summing up, the specifics can be summarized as the following three points:

09/03/2020

Summary of technical points of mobile air compressor

The technical points of the mobile air compressor are summarized as follows: What is the reason for the abnormal increase in the first-level suction temperature? There are two reasons for 　　: