60
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
< For multiple units in an Easy-Link system >
1. Press and hold the
"HOT"
and
"COLD"
buttons simultaneously for at least 5 seconds to enter
“Diagnostics Mode”.
2. "0" will be displayed on the controller. (See Fig. 1)
3. Scroll to the desired 540 (T-H3) unit # in the easy-link system by pressing the
"HOT"
or the
"COLD"
buttons to scroll up or down. (Fig. 2 shows that unit #2 is being selecting)
NOTE:
The definition of the unit #’s:
“0” will yield information about the Easy-link system as a whole, and “1” will yield
information about the parent unit, “2”, “3”, & ”4” will yield information about each
of the individual 540 (T-H3) models installed in the Easy-link system.
In an Easy-link system of 540 (T-H3) models, a maximum of four units of the water
heaters can be linked together.
4. Press the
“INFO”
button to select the desired unit #.
5. When the desired unit # is selected and fixed, scroll up or down to the needed information
(mode #) of the unit by pressing the
“HOT”
or
“COLD”
buttons.
(Fig.3 shows mode #6 is being selected.)
When selecting information, please refer to the
table on p.61-62 for the proper mode #
.
6. Press the
“INFO”
button to select the mode #, and information to which the mode # correlates to
will display on the controller. (Fig. 4)
7. When the
“ON/OFF”
button is pressed or 30 minutes have elapsed without pressing any buttons,
the display will return to normal.
For example, the figures above show how to arrive at the outlet temperature information for Unit #2 in
an Easy-Link System.
Whole
diagnosic mode
Unit #
Fig. 1
Fig. 2
Mode #
Fig. 3
Informa
tion
Fig. 4
• Although the controller of the parent unit will display the set temperature at
the Easy-Link system, the controller of the child unit will not display the set
temperature.
•
The controller means the temperature controller and the temperature remote
controller.
NOTICE
