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OWNER’S MANUAL

Please read this section for useful RO system and

maintenance information.

TABLE OF CONTENT

Part I: RO Basics

Basic terms ................................................................................. page 23

System flow diagram .................................................................. page 23

Water pressure -- The most important factor .............................. page 24

TDS meter -- How to test your water quality with meter ............... page 24

Tank -- Fill up time. Fill up volume. Delivery pressure ............... page 24

Icemaker and multiple output points .......................................... page 26

Insufficient water Pressure -- Problems with non-pump systems .... page 26

How to test your water pressure ................................................. page 27

Premature membrane failure ...................................................... page 27

Part II: Trouble-shoot Guide

RO Head diagram ....................................................................... page 28

Humming noise ........................................................................... page 29

Slow output ................................................................................. page 31

System shut off abnormal ............................................................. page 31

TDS level higher than normal ........................................................ page 33

Filter housing is leaking ................................................................ page 34

Tank ball valve is leaking .............................................................. page 35

Pure water still tastes like Tap water ............................................... page 35

Air Bubbles: Lots of Air bubbles in cup or bottle when filling ........... page 35

APEC RO-PERM User Manual

Questions and Answers: