A.O. Smith T-H2-DV User Manual

T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
61
CONFIDENTIAL
<Description of mode numbers in “Diagnostics Mode” for whole unit in Easy-link system>
Diagnostics information
3-digit 7-seg LED on the
computer board
TM-RE30
Mode
#**
Whole easy-link system
information (#0)
Mode
#**
Whole easy-link system
information (#0)
Total system flow rate h1 0.0 to 99.9 GPM h1 0 to 9,999 (×0.1 GPM)
BTU requirement for the
Easy
-
link system
h2 0 to 999 (×1,000 BTU/h) h2 0 to 9,999 (×100 BTU/h)
Quantity of connected
T
-
H2
-
DV
/
T
-
H2
-
OS’s
h3 1 to 4 (units) h3 1 to 4 (units)
Priority T-H2-DV /T-H2-OS unit
h4 1 to 4 (unit #) h4 1 to 4 (unit #)
Quantity of operational
T
-
H2
-
DV
/
T
-
H2
-
OS’s
h5 1 to 4 (units) h5 1 to 4 (units)
Set temperature h6 100 to 185 °F h6
Operation time during current
rotation
h7
0 to 720 (minutes). After
720, the next rotation
occurs
h7
0 to 720 (minutes). After 720,
the next rotation occurs
ON/OFF cycles during current
rotation
h8
0 to 100 (cycles). A
fter 100,
the next rotation occurs
h8
0 to 100 (cycles). A
fter 100,
the next rotation occurs
N/A
h9
N/A
h9
N/A
h10 h10
h11 h11
Inlet temperature of the
priority unit
h12 32 to 212 ˚F h12 32 to 212 ˚F
Mixing temperature of the
priority unit
h13 32 to 212 ˚F h13 32 to 212 ˚F
N/A
h14
N/A
h14
N/A
h15 h15
Activation of freeze protection
pump
P1 OFF or ON (Default:OFF) P1
N/A
Activation of detection for
pump error
P2 OFF or ON (Default:OFF) P2
Activation of pump test
operation
P3 Pon*** P3
NOTE:
The
“
h1
”
to
“
h15
”
can be selected only in
parent
unit.
***When the dipswitch No.4 (the right bank) on the T-H2-DV/T-H2-
OS computer board is set to the
“OFF” position, press and hold the “Number display”
button on the computer board while in
mode# P3 for at least 3 seconds to display the “Pon”. Then, turn off the TM-RE30. “Pon”
means
pump test operation is in the “ON” mode.

A.O. Smith T-H2-DV Specifications

General

Brand	A.O. Smith
Model	T-H2-DV
Category	Water Heater
Language	English