Copeland Compressor ZP27K6E-PFV-130

07/31/2020

Must know! Safe operation of refrigeration valves

The switching operation of various valves is the main task in the operation of the refrigeration system. The function of the valve is to control and guide the flow and direction of the refrigerant in the system, cut off and conduct the connection between the equipment and the equipment or the equipment and the outside world.

06/29/2020

Compression ratio of American Copeland compressor

09/17/2022

What is a Miniature Circuit Breaker?

The miniature circuit breaker (MCB) is suitable for overload and short-circuit protection of AC 50/60Hz rated voltage 230/400V

09/02/2022

The Working Principle of the Vacuum Contactor

The vacuum contactor uses the vacuum interrupter to extinguish the arc to frequently connect and cut off the normal working current.

08/18/2020

Refrigeration compressor motor burnout detection and repair

The core component of the refrigeration system is the compressor. The faults of the motor refrigeration compressor (hereinafter referred to as the compressor) can be divided into motor faults and mechanical faults

06/24/2020

What to do if the refrigerator does not cool in winter

1.If it is because of the weather, you need to change the refrigerator to another location. 2. When used in winter, you can turn on a compensation switch in the refrigerator. 3. It is necessary to check whether the compressor is damaged. 4. If the modulation gear is incorrect, you can adjust the gear higher. 5. If the refrigerant is not enough, the problem of non-refrigeration can be solved after the fluorine content is added.

08/20/2020

How to judge the fault based on the indicator light of the ice machine

1. The power indicator light keeps flashing quickly and the machine does not work: The cause of the failure: the water temperature probe is open. Repair method: Open the rear cover, open the cover of the electric control box above the compressor, find a three-core connector, check if there is any dropout or poor contact, then reconnect it.

09/14/2020

Common troubleshooting methods for twin screw compressors

Common troubleshooting of twin screw compressor 1. Trouble phenomenon The exhaust temperature of the unit is high (over 100 degrees) The coolant level of the unit is too low (should be visible in the oil glass but not more than half) Dirty oil cooler

11/06/2025

Gas stove solenoid valve working principle and classification

In gas stoves, the working principle of the solenoid valve is to control the mechanical movement by controlling the current of the electromagnet. There is a closed cavity in the solenoid valve of the gas stove, and there are through holes in different po器2䀀
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07/27/2020

Precautions for the use of central air conditioning thermostat

What is a thermostat? What is the thermostat used for? How does the thermostat work? This series of questions is that I want to talk to you today, let’s increase our knowledge!