Takagi 110c Installation Manual And Owner's Manual page 25

When the built-in controller installed in the "CHILD-2" unit displays a number, turn on "CHILD-3".
Make sure the built-in controller installed in each child unit displays each unit #. (Refer to p.40.) The
numbering system automatically allocates the unit No. to each water heater in the Easy-Link System,
in accordance with the table below.
10. Set the water temperature using the built-in temperature controller on the "PARENT" unit. It will set
the temperature for the Easy-Link System. If a remote controller is installed to the "PARENT" heater,
it will override the built-in controller.
(A) 510C model Computer board
• To change the DIP switch settings for the Easy-Link System, locate the
lower bank of DIP switches at the bottom left of the computer board.
• Adjust the approproate DIP switch as shown below. DO NOT adjust any
other DIP switches.
• Turn off the power supply to the water heater before changing the DIP
WARNING
switch settings.
• Failure to observe this warning could result in carbon monoxide poison-
ing or death.
Upper bank of DIP switches
Lower bank of DIP switches
(B) Diagram of connections between the Easy-Link System units
Remote controller
PARENT unit
Connectors
Lower bank of
DIP switches
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
Parent
Child
CHILD-1 unit
Connectors Connectors
Lower bank of
DIP switches
25
Page
Installation Manual
Unit # of easy-link
1
2, 3, or 4
Easy-Link /
Multi-Unit
connectors
are next to
the computer
board.
CHILD-2 unit CHILD-3 unit
Connectors
Lower bank of
DIP switches
Installation
Lower bank of
DIP switches