A.O. Smith T-D2-OS User Manual

T-D2-IN / T-D2-OS Service Manual
Ver. 1.00
49
CONFIDENTIAL
Description of mode numbers in “Diagnostics Mode”
Mode #
Whole multi-unit system information (#0) Unit information (#1 to #4)
1 Total system flow rate
0 to 999 (×0.1 GPM) Total operation time 0 to 9999 (hours)
2 N/A ON/OFF cycles 0 to 9999 (×100 cycles)
3
Quantity of connected
T
-
D2
-
IN
or
T
-
D2
-
OS
’s
1 to 4 (units) Fan motor speed 0 to 9999 (rpm)
4
Priority T-D2-IN or
T
-
D2
-
OS
unit
1 to 4 (unit #) Inlet temperature
32 to 210 (°F).
Over 210°F=E5,
Under 32°F=E0
5
Quantity of operational
T
-
D2
-
IN
or
T
-
D2
-
OS
’s
1 to 4 (units) Output temperature
6 Set temperature 99 to 185 °F Mixing temperature
7
Operation time duri
ng
current rotation
0 to 720 (minutes).
After 720, the next
rotation occurs
Air-
Fuel ratio rod
current
0 to 999 (×0.1μA)
8
ON/OFF cycles during
current rotation
0 to 100 (cycles).
After 100, the next
rotation occurs
Flow rate 0 to 999 (×0.1 GPM)
9
N / A
Energization time of
unit
0 to 9999 (×10 hour)
10**
Integrating flow of Unit
0 to 9999 (×1,000 gallon)
11**
Error code history: displays most recent error code
12**
Error code history: displays 2
nd
most recent error code
13**
Error code history: displays 3
rd
most recent error code
14**
Clears memory in error code history*
15**
N / A
16**
Air-Fuel ratio stage 0 to 16, normal condition=6
* TM-RE30: Simultaneously press the “INFORMATION” button and the “BUZZER” buttons on the TM-
RE30 while
in mode# 14 for at least 5 seconds to completely clear the memory in the error code history.
** Mode #’s after #9 will be displayed as a number (e.g. “10”, “11”,……, “16”) on the TM-RE30.
After #16, the
TM-RE30 will cycle back to #1 again.

A.O. Smith T-D2-OS Specifications

General

Brand	A.O. Smith
Model	T-D2-OS
Category	Water Heater
Language	English