Takagi T-H3S-DV - EASY-LINK SYSTEM; -General-; -Easy-Link Connection Procedures-

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EASY-LINK SYSTEM
(Available on the 540 (T-H3) model only)
The 540 (T-H3) model water heaters can be connected with allowable heaters (see the table
below) 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540(T-H3)model.
You can manifold from 2 to 4 units without the need for a multi-unit controller. A 4-unit system
hasfullautomaticmodulationbetween13,000BTU/h(Propane)or15,000BTU/h(Naturalgas)
to796,000BTU/h.
-Easy-Link Connecon Procedures-
1. Verifythesettemperaturesofallunitswithinthesystem.Everysinglewaterheatermustbesettothe
same set temperature.
Installaon
Installaon Manual
-General-
Easy-Link connection with allowable heaters
710model(T-M32/T-M32ASME)
520model(T-H2-DV/T-H2-OS)
540model(T-H3-DV/T-H3-OS)
• When the 540 (T-H3) model is connected to other models listed above as
part of an Easy-Link System, contact the manufacturer.
• When the 710 (T-M32) and 540 (T-H3) are connected together in an Easy-Link
System, change DIPswitch No.6 on the lower bank of DIPswitches on the 540
(T-H3) model computer board to the "ON" position.
WARNING
Hot Out
Gas In
Cold In
• 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.
• Only listed models on the table above can be combined together as an Easy-
Link System with the 540 (T-H3) model. The 540 (T-H3) model cannot be
combined together with other models not listed on the table above.
CAUTION
Duetothedierenceinthe
connector type for the Easy-
LinkSystembetweenthe710
(T-M32)and540(T-H3),cutout
the connectors for the Easy-
Link System and then splice the
wires directly together when
connecngthe710(T-M32)
and540(T-H3)intheEasy-Link
System.
Easy-Link connectors
Wire
cutters