Install Instructions

Installation
27Page
TheEasyLinksystemislimitedupto4units.Ifyouconnectmorethan4units,
onlythefirst4unitswillworkasapartoftheEasyLinksystem.Theother
additionalunitswillnotwork.
Thewaterheatercannotbelinkedwithotherdifferent
tanklessmodelsinan
EasyLinksystem.
EASYLINKSYSTEM
Availableonthe520(TH2)modelsonly
General‐
Thewaterheatercanbeconnectedwithotherheatersofthesamemodelwithcommunication
cablestoworkasamultipleunitmanifoldsystem.
The EasyLinksystemallowsupto4unitstomanifoldtogether.
Acommunicationcable(graycolor)comeswitheachunit.
Youcanmanifoldfrom
2to4unitswithouttheneedforamultisystemcontroller.A4unit
systemhasfullautomaticmodulationbetween13,000BTU/hand796,000BTU/h.
EasyLinkConnectionProcedures‐
1.Verifythesettemperaturesofallunitswithinthesystem.Everysinglewaterheatermustbeset
tothesamesettemperature.
2.SelectoneunittobethePARENTunit.
3.PARENTunit
Locatethetwobanksofdipswitchestotheleftofthe3digit7seg.LEDonthecomputerboardof
theunitthatyouselecttobethePARENTunit.ChangedipswitchNo.10ontherightbankof
dipswitchestotheONpositio n .Donotchangeany
dipswitchesonanyoftheCHILDunits.
HotOut
ColdIn
GasIn
CAUTION