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240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
12-7. Assigning unit numbers in the Easy-link system
Only
540 (T-H3) models
A. How to display the unit number
Press the
“Increase”
button on the computer board of
child unit.
The controller of the child unit will then
display the assigned number for that 540 (T-H3) unit
for 10 sec.
NOTE
:
In a single-unit installation, the numbering system
is disabled.
B. How to reset and reconfigure the numbering of units
Unit #’s can be reset and reassigned manually:
Parent
unit
Child
unit
Child
unit
Child
unit
Operation
Screen on the controller
1.
Press and hold the
“Increase”
button on the computer
board of
the parent unit
for at least 5 seconds.
2.
The green LED on the computer board of
the parent
unit
will be blinking for 10 seconds.
3.
The controller of
the child unit
will display “000” to
signify for 10 sec that the computer memory has been
erased of its previously assigned unit #.
4.
Press and hold the "Increase" button on each child unit
in the new order of your choosing.
The new unit numbers will be assigned in this order.
• Each 540
(T-H3) models
in an Easy-link system is assigned a random unit #,
except for the Parent unit, which is always assigned as unit #1.
• When more than four units of the 540
(T-H3) models are connected in
an Easy-link system, only the first four units will work as a system. The
remaining units will not operate.
540 (T-H3) models
computer board
Increase
button
