External circulation double side blowing evaporator
The external circulation double side blowing evaporator is installed on the roof of the cold chamber, so it does not take up valuable floor space inside the cold chamber. Top-mounted evaporators are also easier to install compared to other types of evaporators. When choosing a external circulation double side blowing evaporator, a key consideration is the type of roof of the building. The evaporator must be compatible with the roof and properly installed to prevent leaks and other problems. It is important to consult refrigeration and cold storage experts to ensure proper installation.
A well-designed rooftop evaporator can provide effective cooling for your cold storage. It can be used for many years with proper maintenance and care, including regular cleaning and inspection of evaporator coils and fins, as well as checking for refrigerant leaks.
Main features
1.Designed by the advanced European technology
2.The external casing is s/s or galvanized steel sheet
3.The inner casing is anti corrosive aluminium sheet and the floating coil design can prevent pipe broke.
4.Using 15.88mm copper pipe and 12.7mm inner thread copper pipe
5.Equipped with the extended wind guide
6.International brand external fan motors & best brand s/s ele. Heaters
Evaporator installation
1)Depending on the size of the air cooler, 4, 6, 8 or 10 long bolts should be used to lift it on the roof of the cold storage.
2)The distance between the surface of the heat ex-changer of the evaporator and the wall of the warehouse should be no less than 250~350mm (P 1) to ensure the normal operation and convenient maintenance of the evaporator.
3)After the evaporator is installed, attention should be paid to check to ensure that the evaporator is installed level.
4)The drainage pipe from the bottom of the evaporator leading to the outside of the warehouse should have a certain slope so that the outlet of the drainage pipe is lower than the inlet to ensure that the defrost water can be smoothly discharged outside the warehouse;The part of the drainage pipe outside the warehouse should be equipped with a U-shaped elbow to ensure a water seal to prevent a large amount of hot air outside the warehouse from entering the cold storage through the drainage pipe.(p1).
5)The drainage pipes in the warehouse should be insulated with 25mm thick thermal insulation cotton pipes.When the storage temperature is lower than -20°C, an electric heating pipe should be installed in the drainage pipe to prevent the defrost water from freezing during the discharge process and ensure smooth drainage.
Performance parameters
|
Φ450mm-7P |
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C07=7mm Fin spacing |
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Model |
MJH451C07R4-E |
MJH451C07R6-E |
MJH452C07R4-E |
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|
Cooling capacity (kw) |
SC1(△t=10K) |
8.71 |
12.06 |
17.92 |
|
SC2(△t=8K) |
5.53 |
7.94 |
11.64 |
|
|
SC3(△t=7K) |
4.00 |
6.05 |
9.03 |
|
|
SC4(△t=6K) |
3.10 |
4.81 |
7.07 |
|
|
SC5(△t=6K) |
3.00 |
4.52 |
6.72 |
|
|
heat exchange (㎡) |
20.50 |
30.80 |
40.30 |
|
|
tube volume (dm³) |
6.5 |
9.4 |
12.7 |
|
|
air flow rate (m³/h) |
6370 |
6010 |
12680 |
|
|
total fan power (W) |
540 |
540 |
1080 |
|
|
total fan current (A) |
0.84 |
0.84 |
1.68 |
|
|
air flow (m) |
23 |
23 |
23 |
|
|
defrost power (W) |
4500 |
5400 |
7500 |
|
|
pipe dia(in/out Φmm) |
16/28 |
16/28 |
16/35 |
|
|
noise(db) |
51 |
51 |
54 |
|
|
weight (kg) |
53 |
55 |
90 |
|
FAQ
Q: How to quote for a cold storage project?
A: You have to offer us your cold storage size, room temperature, voltage, refrigerant, compressor brand, cooling method, products, products weight and cooling time, then we can calculate and suggest you suitable machines.
Q: Can we use our own logo?
A: Yes, we can print your private logo according to your request.
Q: Can you do our own packaging?
A: Yes, you only need to provide the package design and we will produce what you want. We also have professional designer who can help you with the packaging design.
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