Davey HM Series Pressure Systems with Pressure Switch Manuel d'utilisateur télécharger pdf (Page 6)

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Connection of Mains Scheme or Town Water

Supply to either Suction or Discharge of Pumps &

Pressure Systems

MostWaterSupplyAuthoritieshavestrictregulationsregardingdirect

connectionofpumpstomainswatersupplies.Inmostcasesanisolating

tankisrequiredbetweenmainssupplyandpump.Daveyalsorecommend

thismethod.Directlyappliedmainspressurecanexceedpumpoperating

pressureanddamagepump.

Davey Water Products Pty Ltd can not accept responsibility for loss or

damage resulting from incorrect or unauthorised installations.

Priming and Operation

1. Removeprimingplugandllcasingand

suctionline(onoodedsuction,simply

opengatevalvetopump).Whenfull,

replaceprimingplug.

2. Ensureoutletnearesttopumpisopen.

MAINS WATER

WARNING: When servicing or attending pump, always ensure power

is switched off and lead unplugged. Electrical connections should be

serviced only by qualied persons. If the electrical supply lead of this

pressure system is damaged, it must be replaced.

3. Ensureallvalvesinsuctionlineareopenandplugintoelectricalsupply.

4.Switchonpowerandthepumpwillrun.Afullowof

watershouldbedischargedfromtheopentap.Allow

watertoowfor10-20seconds,oratleastuntilallairhas

beenexpelledfromthepumpandthenclosetheoutlet.

5.Ifthepumpstopspumping(nowaterow),withthetap

open,stopthepumpandrepeatfromStep1onwards.

 Ifthepumpmotorstopswiththetapopenseetroubleshootingchecklist.

6. Closetheopenoutletortapandthepumpshouldstopafterafew

seconds.Ifnot,stopthepumpandrepeatfromStep1onwardsor

consultthetroubleshootingchecklist.

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Davey HM Series Pressure Systems with Pressure Switch Manuel d'utilisateur Page 6