Manual

Installation
24Page
TheEasyLinksystemislimitedupto4units.Ifyouconnectmorethan4units,
onlythefirst4unitswillworkasapartoftheEasyLinksystem.Theother
additionalunitswillnotwork.
AllunitswithinanEasyLinkSystemmustbe
ofthesameexactmodel. 
DifferentmodelscannotcombinetogethertoformanEasyLinkSystem.
EASYLINKSYSTEM
(OnlyavailableontheTD2IN/OSmodels)
General‐
TheTD2IN/OSwaterheaterscanbeconnectedwithotherheatersofthesamemodelwith
communicationcablestoworkasamultipleunitmanifoldsystem.
TheEasyLinksystemallowsupto4unitstomanifoldtogether.
A communicationcable(graycolor)comeswitheachTD2model.
Youcanmanifoldfrom2to4unitswithouttheneedforamultisystemcontroller.A4unit
systemhasfullautomaticmodulationbetween11,000BTU/hand796,000BTU/h.
EasyLinkConnectionProcedures‐
1.Verifythesettemperaturesofallunitswithinthesystem.Everysinglewaterheatermustbeset
tothesamesettemperature.
2.SelectoneunittobethePARENTunit.
3.PARENTunit
Locatethetwobanks ofdipswitchestotherightofthe7seg.LEDonthecomputerboardofthe
unitthatyouselecttobethePARENTunit.ChangedipswitchNo.1ontherightbankof
dipswitchestotheONposition.Seethecomputerboarddiagramas
showninthenextpage.Do
notchangeanydipswitchesonanyoftheCHILDunits.
HotOut
ColdIn
GasIn
CAUTION