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OWNER’S MANUAL

Please read this section for useful RO system and mainte-

nance information.

TABLE OF CONTENT

Part I: RO Basics

Basic terms ................................................................................. page 24

System flow diagram ................................................................... page 24

Water pressure -- The most important factor ............................... page 25

Tank -- Fill up time. Fill up volume. Delivery pressure ............... page 25-26

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

Insufficient water Pressure -- Problems with non-pump systems .... page 27

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

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

Part II: Trouble-shoot Guide

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

Air bubbles ................................................................................. page 29

No water at dispensing faucet ...................................................... page 29

Slow output ................................................................................. page 30

Filter housing is leaking ............................................................... page 30

TDS (Total Dissolved Solids) Level Reads Higher Than Normal ....... page 31

There is a leak at the tank ball valve connection .......................... page 32

System shut off is abnormal ......................................................... page 32

How to Test RO’s Shut-Off Function .............................................. page 33-34

Pure water still tastes like tap water ............................................. page 34

UV light does not turn on .............................................................. page 34

Water is Warm at times ................................................................. page 34

RO Makes Humming Noise ........................................................... page 35

Apec Water Essence Series User Manual

Questions and Answers: