PIZZATO Switch FR 514-A

07/23/2020

FAQs about refrigeration compressors, do you know these?

Why control the impurity content and moisture content of the compressor and air conditioning system? Impurities entering the friction surface of the moving parts in the compressor pump body will cause abnormal scratches and wear. Impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the refrigerator system will block the valve hole or make the valve close tightly. And fail.

06/18/2024

Hydraulic Symbols Explained (Hydraulic Pump, Hydraulic Motor, Hydraulic Cylinder, Hydraulic Valve, Accumulator Included)

The hydraulic system, also called a hydraulic pump station, hydraulic station, hydraulic oil station, etc., usually consists of power component, actuator, control component, auxiliary component, and working medium.

09/02/2020

Brief analysis of the reasons for the reduction of the displacement of the screw air compressor

"Air compressors are general-purpose mechanical equipment. They are now widely used in various fields. Due to the motor power and the length of the main engine shaft, the air compressor has a large and small displacement.

08/14/2020

Installation considerations for refrigeration units

The semi-hermetic refrigeration compressor is an indispensable thing in the cold storage. In order to make the refrigeration unit play its best role and be convenient in use, the following requirements should be paid attention to when installing the refrigeration unit.

01/04/2021

Compression Ratio, Capacity and Volumetric Efficiency of the Refrigeration Compressor

Compression Ratio, Capacity and Volumetric Efficiency of the Refrigeration Compressor Piston Displacement, Compressor Capacity, Clearance Volume of Compressor Introduction This article describes some important terms related to the refrigeration and air器2䀀
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08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

06/14/2020

Inspection method of screw refrigeration compressor (technical sharing)

Inspection method of screw refrigeration compressor (technical sharing) 1. Disassembly 　　 Before the 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 pi器2䀀
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06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/10/2023

How to Quiet a Loud Heat Pump: A Comprehensive Guide

Heat pumps are an efficient and effective way to heat and cool your home, but they can sometimes be loud and noisy. A noisy heat pump can be a nuisance, and in some cases, it can indicate a problem with the system.

06/14/2020

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start 1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload