A.O. Smith 710 ASME Service Manual page 48

< For multiple units in the Multi-unit system and the 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 remote controller. (See Fig. 1)
3. Scroll to the desired 710 unit # in the multi-unit system or the easy-link system by pressing the "HOT"
or the "COLD" buttons to scroll up or down.
NOTE: The definition of the unit #'s:
"0" will yield information about the Multi-unit system or the Easy-link system as a whole,
and numbers "1", "2", "3"... "20" will yield information about each of the individual 710
models installed in the Multi-unit system and Easy-link system.
In the Multi-unit system of 710 models, a maximum of twenty units can be linked together.
For the Easy-link system, a maximum of four units can be linked as well.
4. Press the "INFO" button to fix the desired unit #.
5. When the desired unit # is fixed (Fig. 2 shows that unit #10 is being 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.49 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 remote controller. (Fig4)
7. When the "ON/OFF" button is pressed or 5 minutes have elapsed without pressing any buttons, the
display will return to normal.
Whole
diagnostic mode
Fig.1
For example, the figures above show how to arrive at the mixing temperature information for Unit
#10 in a Multi-Unit System.
Unit #
Fig.2
48
710 / 710 ASME Service Manual
Mode#
Fig.3
CONFIDENTIAL
Ver. 1.00
Information
Fig.4