American Water Heater 520 Spécifications télécharger pdf (Page 24)

Installation

24│Page

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InanEasy‐Linksystem,thepumpmustbeconnectedtothe“Pumpconnector”in

the“PARENTunit”only.Ifthepumpisconnectedtoanyofthe“CHILDunits”,the

pumpwillnotwork.

PUMPCONTROLCONNECTIONS

Thewaterheatercanbeusedtocontrolarecirculationpump.Properpumpcontrolhelpsto preserve

thelifeofthesystemandsavesenergyaswell.

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Thewaterheaterpumpcontrolportisa“normally opendrycontact”,andthereforeneedsadditional

components to properly control a recirculation

pump. To control a recirculation pump, connect the

pump to the “Pump connector” in the water he ater as shown in the diagram below. (In an Easy‐Link

system, connect the pump ONLY to the “PARENT” unit.) The pump is to be connected using suitable

relaysshowninthediagrambelow.

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Pleasemakesuretherelaysareproperlyratedfortherecirculationpump.

Usingthewaterheater’sinternalthermistorsasatemperaturecontrol,therecirculationpumpwill only

turnonwhenrecirculationisneeded.

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CAUTION

Connecttothis“Pump connector”.

Recirculation

pump

Powersupply

forpump

120VAC

220VACetc

Powersupply

forrelay

ThesecomponentsareNOTincludedwiththewaterheaterand

areexternaltotheunit.Theymustbeacquiredseparately.

Thermal

relay

120VAC

220VACetc

forrelay

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American Water Heater 520 Spécifications Page 24