Takagi T?K4?IN - EASY-LINK SYSTEM; GENERAL; EASY-LINK CONNECTION PROCEDURES

Installation
24│Page
• TheEasy‐Linksystemislimitedupto4units.Ifyouconnectmorethan4units,
onlythefirst4unitswillworkasapartoftheEasy‐Linksystem.Theother
additionalunitswillnotwork.
• AllunitswithinanEasy‐LinkSystemmustbe
ofthesameexactmodel. 
DifferentmodelscannotcombinetogethertoformanEasy‐LinkSystem.
EASY‐LINKSYSTEM
(OnlyavailableontheT‐D2‐IN/OSmodels)
‐General‐
TheT‐D2‐IN/OSwaterheaterscanbeconnectedwithotherheatersofthesamemodelwith
communicationcablestoworkasamultiple‐unitmanifoldsystem.
• TheEasy‐Linksystemallowsupto4unitstomanifoldtogether.
• A communicationcable(graycolor)comeswitheachT‐D2model.
Youcanmanifoldfrom2to4unitswithouttheneedforamulti‐systemcontroller.A4‐unit
systemhasfullautomaticmodulationbetween11,000BTU/hand796,000BTU/h.
‐Easy‐LinkConnectionProcedures‐
1.Verifythesettemperaturesofallunitswithinthesystem.Everysinglewaterheatermustbeset
tothesamesettemperature.
2.Selectoneunittobethe“PARENT”unit.
3.“PARENT”unit

Locatethetwobanks ofdipswitchestotherightofthe7‐seg.LEDonthecomputerboardofthe
unitthatyouselecttobethe“PARENT”unit.ChangedipswitchNo.1ontherightbankof
dipswitchestotheONposition.Seethecomputerboarddiagramas
showninthenextpage.Do
notchangeanydipswitchesonanyofthe“CHILD”units.

HotOut
ColdIn
GasIn
CAUTION