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