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MODEL: N74A1-63510/N74A3-63610/N74B1-63510B/N74B3-63610B

be added the clean water softening salts only, at least 99.5% pure,

forbidding use the small salt and iodized salt.

② Test the outlet water and raw water hardness at regular time. When

the outlet water hardness is unqualified, please press the and the

valve will temporary regenerate again (It will not affect the original set

operation cycle.)

③ When the feed water hardness change a lot, you can adjust the

water treatment capacity as follow:

Press and hold both and for 5 seconds to lift the lock status.

Press , and the light on, then press , the digital area show the

control mode. If it shows A-01or A-02, press three times, and the digital

area will show the given water treatment capacity( if the control mode

shows A-03 or A-04, then press four times, the digital area will show the

feed water hardness); Press again, and digital flashes. Press or

continuously, reset the capacity value (or water hardness). Press

and hear a sound “Di”, then finish the adjustment. Press exit and turn

back the service status.

The estimation of water treatment capacity, you can refer to the

professional application specification. When select A-03 or A-04 intelligent

control mode, the control will automatically calculate the water treatment

capacity by setting resin volume, feed water hardness and regeneration

factor.

④ For A-01 or A-03 control mode (Regeneration delayed type),

please pay attention to whether the time is current or not. If the time is not

right, you can adjust as follow: After lifting the lock status, press , the

and light on. Then press , the and hour value flash. Press

or continuously, reset the hour value; Press again, and minute

value flash. Press or continuously, reset the minute value;

Press and hear a sound “Di”, then finish the adjustment. Press exit

and turn back the service status.

The regeneration parameters have been set when control valve left

factory. Generally, it does not need to reset. If you want enquiry and modify

the setting, you can refer to the professional application specification.

Runxin 63510 User Manual

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