W.Tech RAA Series Manuel d'instructions

Installation and maintenance manual Closed circuit evaporative cooler Axial type Series RAA W-Tech S.r.l. Via Moglio, 18/2 - 40037 Sasso Ma

Pag9Thefollowingconditionsmustbemaintainedinordertoeliminatethem:• Ryznarindex= 2 pHs‐pHcbetween6and 7. Where pHsisthe

Pag107. GENERALMAINTENANCEINSTRUCTIONS Duetothequalityoftheseunits,maintenancerequirementsareminimal.Nevertheless,theywillbei

Pag11    Fig.10 7.1.6 Coil  Thecoilhastobeobservedregularly.Ithastobeconsideredthatthisisake

8.- PREVENTIVE MAINTENANCE SUMMARY CHART OPERATIONS TO BE CARRIED OUT BLOWDOWN GRID BASIN WATER MAKE-UP ELECTRIC PUMP WATER DISTRIBUTION DRIFT E

9. TROUBLESHOOTING CHART DEFECT POSSIBLE CAUSE ACTION TO BE TAKEN MOTOR ROTATES IN OPPOSITE DIRECTION Error in connection. Change two phases in

Caratteristiche raccomandate acqua Recommended water charachteristic Caractéristiques de l’eau recommandées Minimale Wassereigenschaften Ре

W-Tech S.r.l. Management and Administration: Via Moglio 18/2 – 40037 Sasso Marconi (BO) – ITALY T: +39 05

Pag1 TABLEOFCONTENTS1. MACHINERYDESCRIPTION 2 1.1 Generalsafetyuse 1.2 Generaldescription 2 1.3 PrimaryCircuit. 2 1.4

Pag21. GENERALSAFETYRULESANDMACHINERYDESCRIPTION1.1 GeneralSafetyuse:Thecontentofthismanualistobeconsideredasanintegration

Pag3 1.6 CasingandwatercollectionbasinThebodyoftheunitismanufacturedin“Sendzimir”galvanisedsteelcoveredwith300g/m2zinclayer

Pag42. DELIVERYANDHANDLING2.1 DeliverymethodAllmodelsofthisseriesaredeliveredwiththemaximumpossibleelementsmountedinourfact

Pag53. INSTALLATION3.1 TowerfoundationandanchoringOurunitshavenoneedsofanyspecialfoundation.Theycanbeplaceddirectlyontoac

Pag63.3 AssemblyofthebodiesBeforebeginningtheassemblyonsite,checkthatallelementsdeliveredinsidethebasinhavebeenremoved.Toa

Pag7Theassemblycouldhehelped bymeansofpointers,whichwillbeinsertedintheholesinthelowerbodyjustbeforetheupperoneisallowe

Pag84. OPERATIONSTOBECARRIEDOUTBEFORETHESTARTUP 4.1 Cleaning• Makesurethatthedistributionsystemiscleanandthatthedistribu