30
Page
6. Between the
“CHILD-1”
and the
“CHILD-2”
units:
Connect the
“2”
connector of the
“CHILD-1”
unit to the
“1”
connector of the
“CHILD-2”
unit.
7. Between the
“CHILD-2”
and the
“CHILD-3”
units:
Connect the
“2”
connector of the
“CHILD-2”
unit to the
“1”
connector of the
“CHILD-3”
unit.
8. Verify that all cables are connected like the diagram below (B).
9. Turn on power to the
“PARENT”
unit. The 7-seg LED will display
“1”.
Turn on
“CHILD-1”
. When the 7-seg LED displays a number, turn on
“CHILD-2”
.
When the 7-seg LED displays a number, turn on
“CHILD-3”
.
Make sure the 7-seg LED of all the units' computer boards display the unit #. The numbering system
automatically allocates the unit # to each water heater in the Easy-Link System, in accordance with the
right table.
Type of unit
Unit # of easy-link
Parent
1
Child
2, 3 or 4
(A) 510 (T-D2) model Computer board
WARNING
•
To change the DIP switch settings for the Easy-Link System, locate the
right bank of DIP switches at the bottom left of the computer board.
•
DO NOT adjust any other DIP switches.
•
Turn off the power supply to the water heater before changing the DIP
switch settings.
•
Failure to observe this warning could result in carbon monoxide poison-
ing or death.
7-Seg. LED
Right bank of
DIP switches
Left bank of
DIP switches
Easy-Link System
“Online” LED
Easy-Link
connectors are next
to the computer
board.
(B) Basic diagram of connections between the Easy-Link System units
Installation
Installation Manual
NOTE: The black squares indicate the correct DIP switch positions.
PA
RENT
Communication cable
Connectors
1
1
1
1
2
2
2
2
PA
RENT
PA
RENT
PA
RENT
Connectors
Connectors
1 2 3 4 5 6
OFF
ON
OFF
ON
1 2 3 4 5 6
OFF
ON
1 2 3 4 5 6
OFF
ON
1 2 3 4 5 6
Right bank of
DIP switches
Right bank of
DIP switches
Right bank of
DIP switches
Right bank of
DIP switches
Connectors
PARENT unit
CHILD-1 unit
CHILD-3 unit
CHILD-2 unit
Remote controller
Connecting two
“PARENT”
connectors together from two separate units
may damage
the computer board
. The communication cable has a female end and a male end, so
it’s impossible to have a PARENT-to-PARENT connection with the communication cable.
Do not splice or modify connectors.
NOTICE
