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Commercial refrigeration refrigerant charging method

commercial refrigeration refrigerant charging method refrigerant charging After the system has completed the airtightness test, the commercial refrigeration system can be officially charged with refrigerant. Before charging, determine the amount of refrigerant that should be filled into the system. Generally, the amount of refrigerant required by the design document should be filled. If there ...

display freezerTIME：2016-08-22
Supermarket refrigerated showcase Compressor influence

Supermarket refrigerated showcase Compressor influence Compressor non-start characteristics and maintenance 1. If the thermostat is open at normal temperature, if the thermostat two contacts are not connected, the compressor circuit cannot be connected, and compression The machine does not work. Features: The door light is on, the compressor does not operate, and no sound is generated. The i...

commercial refrigerationTIME：2016-08-22
The impact of commercial refrigeration compressor (2)

The impact of commercial refrigeration compressor (2) 4. Starter damage The starter is damaged, causing the compressor start winding circuit to be unable to be connected at the moment of power-on, and there is no current in the start winding, and the compressor cannot be formed Rotating magnetic field, so it doesn't work. Features: The door light is on, the compressor does not run, but it soun...

display freezerTIME：2016-08-22
What are the ways to repair walk-in cooler

What are the ways to repair walk-in cooler Five-step repair walk-in cooler includes five steps: try, listen, touch, watch, and test. After the test machine, listen to the walk-in cooler working sound and the venting sound of the refrigeration pipe, touch the walk-in cooler evaporator and the temperature of the exposed refrigeration pipe device, and check the appearance, the surface of the evap...

display freezerTIME：2016-08-22
Supermarket refrigerated showcase refrigerant charging method (two)

supermarket refrigerated showcase refrigerant charging method (two) When the filling meets the requirements, immediately close the cylinder valve, and then let the remaining supermarket refrigerated showcase refrigerant in the pipe If it is sucked into the system as much as possible, and finally the multi-purpose channel is closed, and the compressor is stopped, the refrigerant charging is bas...

commercial refrigerationTIME：2016-08-22
Removal of the refrigerant from the display cooler

Removal of the refrigerant from the display cooler Refrigerant removal is in the refrigeration system maintenance, if there is a fault in the system components from the compressor discharge valve to the accumulator outlet valve, it needs to be repaired In order to reduce environmental pollution and waste, the refrigerant should be taken out and stored in another container. There are two basi...

commercial refrigerationTIME：2016-08-22
Refrigerant removal in supermarket refrigerated showcase (2)

Refrigerant removal in supermarket refrigerated showcase (2) The operation methods and steps for removing ammonia and fluorine from the refrigeration system of supermarket refrigerated showcase are described below. 1. The refrigeration system takes ammonia (1) Prepare a certain number of ammonia bottles, scales, ammonia taking tools, labor protection supplies and operating tools. (2) Sta...

commercial refrigerationTIME：2016-08-22
Display cases What are the maintenance methods (2)

display cases What are the maintenance methods (2) (3) Noise The noise of the big machine comes from different parts and types. The whole machine makes a sound similar to agricultural machinery, 90% of which are display cases. The placement of the display cases is uneven. In some cases, the bottom corners of the display cases are of different heights. Metal collision sounds are heard at the wa...

display freezerTIME：2016-08-22
What are the ways to repair walk-in cooler (3)

What are the ways to repair walk-in cooler (3) (4) Noisy machine touch the water box, capillary tube, and the upper part of the walk-in cooler near the compressor. If the noise drops when touching the water box on the compressor, fix the water box again: If the noise drops when touching the capillary, it is necessary to judge that the noise is caused by the collision between the capillary tube...

display freezerTIME：2016-08-22
walk-in cooler disassembly and maintenance method

walk-in cooler disassembly and maintenance walk-in cooler door disassembly, diagnosis and maintenance 1. walk-in cooler door disassembly: open the freezer and refrigerator doors with ordinary Remove the middle hinge screw with a wrench or socket wrench, and then pull the door forward to remove it. Note that the upper door should be pulled out and down, and the lower door should be pulled out...

display refrigeratorTIME：2016-08-22

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