MCAC-VTSM-2016-04 R410A DC Inverter VRF V4 Plus W Series 50Hz
Installation 183
method will be big different, the above method is only for reference.
•The double-pipe heat exchanger is internal thread red copper pipe, so that it cannot use nitric acid as
cleaning agent!
•The cleaning liquor and neutralization will be irritated and corrosive to human eyes and skin, so please do
well protection measurements during the cleaning.
•It is strongly suggested that the user calls for professional cleaning company to do component analysis of the
water quality and scale, and make a effective cleaning solution and method, then do the cleaning.
3.7 System water quality requirements and management
3.7.1 The unit water system must select the closed cooling tower.
3.7.2 Circulating Chilled Water Processing Design Standard, other index also should meet with the below
table.
3.7.3 It should periodically to detect and handle the chilled water quality in the water system. When handling
the water, please make sure with the water dealing person to confirm that use any water scale inhibitor and
antiseptic agent etc. will not have corrosion to the stainless steel and copper products.
≤15，and cannot display other colors
Total hardness(Take CaCO
3
for calculation)
Alkalinity concentration(HCO
3
-)
Oxygen consumption（Take O
2
for calculation）
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