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Walk-in cooler evaporator inlay and production (5)
walk-in cooler evaporator inlay and production (5)
no evaporator interface box
walk-in cooler inlaid homemade evaporator walk-in cooler without back , The lower evaporator interface box model, because the capillary tube and the evaporator connection port cannot be seen, the original capillary tube cannot be used anymore, it is necessary to configure a new capillary tube, and prepare several copper tube fixing clips or 8mm wire clips such as the middle. The walk-in cooler body punching position is generally set at the side end of the walk-in cooler body, and is in the same direction as the compressor return pipe.
1. The preparation material is 180L walk-in cooler. Because it has no evaporator interface box on its back, it is necessary to throw off the original capillary, equip it with a new 2.5m capillary, and anneal the capillary. The capillary nozzle should be straight and smooth. If the nozzle is flat or has burrs, it will increase the sound of refrigerant flow. At the same time, the materials that need to be prepared are: a copper pipe with a diameter of 6 mm and a length of 0.5 m-1 m as the return pipe of the evaporator. Because the diameter of the evaporator pipe and the return pipe of the compressor are both 8 mm, they cannot be inserted directly, so they must be refrigerated. Install a section of copper pipe with a diameter of 6 mm as a reducing pipe between the lower nozzle of the evaporator and the return pipe of the compressor and the return pipe of the compressor; a number of 8 mm copper pipe fixing clips or wire clips are used to fix the evaporator on the walk -in cooler In the body: a filter dryer.
2. The walk-in cooler body drilling position is determined. Therefore, the compressor return pipe is on the right side. Based on this, it is inferred that the original evaporator nozzle is also on the right. The punching position can be at the left or right end of the bottom, but it needs to be close to the back or the side wall. The machine punches at the bottom left of the freezer compartment.
3. Self-made evaporator installation, according to the walk-in cooler return air pipe position and self-made evaporator nozzle, determine the freezer compartment drilling position, remove the refrigerating room temperature controller temperature sensor fixed cover. Then proceed in 18 steps.
(1) walk-in cooler. Use an eye punch to drill the bottom of the freezer close to the back and the left side; drill the right side of the water receiving box in the cold room to be closest to the compressor return pipe. Before drilling, weld the evaporator return pipe to the lower pipe mouth of the refrigerated evaporator , And then roughly compare the refrigerated evaporator, look back to the position of the tracheal path interface box, here is the walk-in cooler body drilling position of the refrigerating room.
(2) Install a 4 mm copper tube as a reducing tube at the right nozzle of the freezer evaporator, which is convenient for welding and prevents damage to the capillary tube when accessing items.
(3) The capillary tube is inserted into the refrigerator compartment from the freezer compartment.
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