A.O. Smith ADR75-V-ET-1, User Manual

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(3) USB panel Function
(4) Our primary water quality treatment components adopt the most advanced
RO technology in the world. Please find below their configurations.
"Select" button: can select 1st, 2nd, 3rd ,4th, 5th stage filter. Corresponding icon stays on.
"Reset" button: Hold it for over 3 seconds to activate it. Reset selected filter life and corresponding filter
indicator flashes in green. Do nothing for 10 seconds to exit this status.
Note: reset button can only be operated when replacing filter, otherwise, it is not
permitted.
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2. Alarming function: After buzzer makes alarm, alarming code displays on and the whole screen
flashes. (please call our hot line and prepare for machine maintenance)
1) filter life alarm: The icon turns red when corresponding filter is reaching
the end of its life. And it turns orange to make early warning. Early warning: alarm buzzes 4 times when
entering into water production state. It will make the second warning after 24 hours. Alarming: alarm buzzes 8
times when entering into water production state and F1 shows on .
2) water leakage alarm: F2 shows on and alarm keeps buzzing.
3) overflow alarm:F3 shows on . Alarm buzzes 3 times with 2 seconds as a cycle.
4) super high temperature alarm: F5 appears on .Alarm buzzes 5 times with 2 seconds as a cycle.
5) Ultra low temperature alarm: F6 appears on . Alarm buzzes 6 times with 2 seconds as a cycle.
6) Lacking water alarm: F7 appears on . Alarm buzzes 7 times with 2 seconds as a cycle.
7) Hot water NTC failure: E1 appears on . Hot water NTC is short circuited, open circuited or the unit
doesn't stop working after heating for 45mins.
8) cold water NTC failure: E2 appears on . Cold water NTC is short circuited or open circuited.
9) High and low floater failure: E4 shows on ,high and low floater is abnormal.
machine maintenance)
The PP filter has a 5 micron pore size that
can effectively filter rust, sand, other solid
impurities, and larger particles in water.
The carbon filter can effectively adsorb free
chlorine, organic matter, disinfection byproducts,
smells,discoloration, and other substances in
water.
The 1-micron PP filter can further remove
particles of a smaller size, such as suspended
solids and colloids.
Effectively remove bacteria, viruses, heavy
metals, pesticide residues, and other harmful
substances from the water
1st stage
ȝP33ILOWHU
2nd stage Granular activated carbon filter
ȝP33ILOWHU
Reverse osmosis
membrane
Post activated carbon
filter
Removes odor and adjusts taste.
3rd stage
4th stage
5th stage
Stage
Product type and
material
Function