Takagi 110 Outdoor Installation Manual And Owner's Manual page 30

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.
(A) 510 (T-D2) model Computer board
• 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.
WARNING
• Failure to observe this warning could result in carbon monoxide poison-
ing or death.
Easy-Link System
"Online" LED
Left bank of
DIP switches
7-Seg. LED
Right bank of
DIP switches
(B) Basic diagram of connections between the Easy-Link System units
Remote controller
PARENT unit
Connectors
Right bank of
DIP switches
1 2 3 4 5 6
ON
OFF
Communication cable
NOTE: The black squares indicate the correct DIP switch positions.
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
NOTICE
it's impossible to have a PARENT-to-PARENT connection with the communication cable.
Do not splice or modify connectors.
Type of unit Unit # of easy-link
Parent
Child
CHILD-1 unit
Connectors
Right bank of
DIP switches
1 2 3 4 5 6
ON
OFF
30
Page
Installation Manual
1
2, 3 or 4
connectors are next
to the computer
CHILD-2 unit
Connectors Connectors
Right bank of
DIP switches
1 2 3 4 5 6
ON ON
OFF OFF
Installation
Easy-Link
board.
CHILD-3 unit
Right bank of
DIP switches
1 2 3 4 5 6