Installation Sheet

29 Page
EASY-LINK SYSTEM
(Available on the 540 (T-H3) models only)
The 540 (T-H3) models 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) models.
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
520models(T-H2-DV/T-H2-OS)
540models(T-H3-DV/T-H3-OS)
When the 540 (T-H3) model is connected to previous models as part an Easy-
link system, Contact the manufacturer.
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 combine together as an Easy-
Link System. Different model cannot be combine together to form an Easy-
Link System.
CAUTION