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||Wuxi Guanya Refrigeration technology co., ltd
||No.10, Zhenfa No.1 Road, Shuofang Street, New District, Wuxi, Jiangsu ,China.Zip Code:214142
||7/12/19 8:11 GMT
Cooling Water Chiller SUNDI -45℃~300℃
It is important to choose the suitable heat conduction medium, to make sure that
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system works stably. To choose the suitable medium according to the working
temperature of the system is essential.
How to Determine Freezing Water Flow Rate?
A lot of people will ask such a question when they buy a cold water machine -- how
do you determine the freezing water flow of a refrigerated water unit? So which
aspects should we consider the cold water flow?
1. Water pressure test of the unit in and out of the water pipe.
Detect the pressure value of the in- and out-water, then refer to instruction
about the water flow under this circumstance and determine whether the water
system is normal by looking at the description in the corresponding table or flow
diagram of the unit. This difference is also used to determine which part of the
water pipeline has a large resistance and make corresponding rectification plan
2. The air inlet temperature of the compressor should be tested only when the
refrigeration operation is carried out.
If the temperature of the refrigerated water chiller is tested lower than zero
after running for 30 minutes, then water flow is not enough on water side heat
exchanger which causes evaporation temperature and pressure to fall and cause
freon in evaporator flow to the compressor suction duct in evaporation heat. That
brings about the fact that the compressor suction temperature below zero. In
addition, the evaporation pressure and evaporation temperature caused by low
temperature setting should be excluded. However, the low-temperature unit can be
considered normal as long as there is 6 ~ 8 ℃ overheat of compressor suction. So
under normal water flow, the compressor suction temperature generally will be
greater than 0 ℃. Temperature lower than this value should be ruled out water
3. The current needs to be tested when the pump runs.
By detecting the current of the pump of water industrial chiller and comparing
with rated current, you can determine the actual water flow, whether its water
flow is big or small. Refer to the parameters above, you can draw an exact water
system testing analysis report.
SOURCE: Import-Export Bulletin Board (http://www.imexbb.com/)
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