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⑥ Exchange Factor
Exchange factor =E/ (k×1000)
In this formula, E——Resin working exchange capability（mol/m
3
）， it is related to the
quality of resin. Down-flow regeneration, take 800 ～ 900. Up-flow
regeneration, take 900～1200.
K——Security factor, always take 1.2～2. It is related to the hardness of
inlet water: the higher the hardness is, the bigger the K is.
⑦ Regeneration Time: The whole cycle for regeneration is about two hours. According to
the actual situation, please try to set up the regeneration time when you don’t need to use
water.
The above calculation of parameters for each step is only for reference, the actual
proper time will be determined after adjusting by water exchanger supplier. This calculation
procedure of softener is only for industrial application; it is not suitable for small softener in
residential application.
The above calculation of parameters is only for reference
Technician’s and manufacturer’s parameters setting
When connected with power, press and hold both and for 2 seconds to enter
into manufacturer’s parameters setting as Figure H1 (Included H1-1，H1-2，H1-3). (Take
up-flow brine draw type as example)
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