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TheMITYFLEX®4000variablespeeddrivesarepoweredbyaDCgearmotor.Aspecially
designedelectronicspeedcontrolsystemcovertsACtoDCwhileprovidingsmooth
accelerationcontrolovertheentireflowrange.Thethreepositionon/offswitchallowsthe
usertomaintainspeedsettingwhenunitisturnedoffor
reversed.TheMITYFLEX®4500OEM
modelsarefixedspeedACunits.
4000FEATURES(includes4500*)
1. *ELECTRICAL:115VAC,60HZ
2. REVERSIBLEVARIABLESPEEDCONTROLFORVARIABLEFLOWRATES
3. MAXIMUMANDMIMINUMSPEEDCONTROLADJUSTMENT
4. *FACTORYPRESETFLOWRATE:2000ml/min
5. REPLACEABLEMOTORBRUSHES.(Replacementinstructionspage6).
6. EXTERNALFUSEHOLDER.(Fusereplacementinstructionspage6).
INSTALLATIONINSTRUCTIONS
1. POWERREQUIREMENTS:Voltageandfrequencyofpowersupplymustbethesameas
shownonunit.
2. WIRINGCONNECTIONS:Allwiringandelectricalconnectionsmustcomplywithlocal
andnationalelectricalcodes.
3. MOUNTING:4000Caseenclosedmodelmaybeplacedonanyflatsurfaceassuring
spaceisprovidedatthebackofthecaseforaircirculationthroughventilationholes.
4500BracketorCasemountassuringspaceprovidedforairflow.Donotallowtubing
tobecrimped.
4. MOUNTINGLOCATION:Pumpshouldbeplacedinadrylocationwithadequatecooling
provided.Theambienttemperatureshouldnotexceed
35°C.
Thisunitshouldnotbeusedinoutdoororhazardouslocations.
CAUTION:Motorlifewillbedrasticallyreducedifleftinthestalledpositionforextended
periods.