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
Available on the 510 (T-D2) models only
-General-
The 510 (T-D2) models 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 510 (T-D2) models.
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.
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