Manual

Installation
23│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MODE
(OnlyavailableontheT‐D2‐IN/OSmodels)
TheT‐D2‐IN/OSwaterheaters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wa ter 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 heater 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.
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
ThesecomponentsareNOTincludedwiththewaterheaterandare
externaltotheunit.Theymustbeacquiredseparately.
Connectto this“Pump connector”.
Recirculation
pump
Thermal
relay
120VAC
220VACetc
forrelay
Powersupply
forpump
120VAC
220VACetc
Powersupply
forrelay