Page6
Step 1:Removevalvecoverbypartlyunscrewing the three coversecuring screwsand
lifting the coverforward. Removethe clearplasticwindowinthe coverby
removing twoscrewsand loosening the othertwoscrewsand sliding the window
out. Replacethe coveron the valve. Connect the powerlead tothe powerpoint
and turnon the electricpower. Depress the redknob (Fig. 7) and rotate anti-
clockwise to backwash position, release redknob. Notethat the timerface
design can varybetween valvemodelsfromthat illustrated and that the
regeneration positionsareindicated pictorially withBackwashbeing Flow
shownina Upwarddirection and the otherregeneration positionsshownwith
theircorresponding flowpath. Wait forvalvedrivetoindextobackwashposition,
(if not alreadyinthisposition)that isthe spindleisfullyextended.
Step 2:Just partlyopen inlet isolating valve. Allowunit tofill slowly(waterwill issueto
drain)continue torun until the unit automaticallyindexes tothe second position
whichisa Pause toallowmediatosettle. Thismaytakeup to15 minutesand
allowsall the entrained airtobe removed.
Step 3:Depress the red knob againand rotateanti-clockwisetothe fast rinseposition
and release. Verifythat the spindlehasmoved toitscorrect position asindicated
inthe following illustrations.
Step 4: Allow theredknob toelectricallyreturntotheservice position. It is
recommended togivethe filteracompletebackwashcyclesoastoremoveany
dirt/colourand tofurtherlevelout the media. Depress the red knob and turnanti-
clockwisetothe startposition orthe first arrowposition just anticlockwise from
the service position then releasethe red knob. The unit will nowgo through each
cycle-Backwash, pause, purge and back toserviceautomatically, the full cycle
will takeapproximately30 minutes, depending on pinsettings.
NOTE:Asmall amount of mediamaypass todrainduring the initialbackwash, thisis
considered normal.
Step 5:Check withsitesupervisorthat unit can go on line. If so-slowlyopen outlet
isolating valvefully, check that manualbypass valveisfullyclosed. Thisunit is
nowon line.
Step 6:Check forand report anyleaks. Gotothe nearest tap, nowon filtered water, open
and allowtoflowforafewminutesasit maytakeseveralminutesforthe treated
watertodisplacethe waterinthe pipe systemtothe tap. Check forthe clarityof
the treated waterand if unclean waterpersistsrefertothe TroubleShooting in
theseinstructions.
COMMISSIONING
