A.O. Smith T-M50 ASME Service Manual page 50

Mode # Whole multi-unit system information (#0)
1 Total system rate
2
Quantity of connected
3
T-M50's
4 Priority T-M50 number 0 to 10
Quantity of operational
5
T-M50's
6 Set temperature
Operation time during
7
current rotation
ON/OFF cycles during
8
current rotation
9
10
11
Inlet temperature of
12
the priority unit
Mixing temperature of
13
the priority unit
14
15
16
17
25
26
27
28
29
30
31
32
* Simultaneously press the "INFORMATION" button and the "BUZZER" buttons on the remote controller while in
mode# 14 for at least 5 seconds to completely clear the memory in the error code history.
Description of mode numbers in "Diagnostics Mode"
0 to 9,999 (×0.1 GPM) Total operation time
N/A
0 to 10 (units)
0 to 10 (units)
100 to 185 °F
0 to 999 (minutes)
0 to 999 (times)
N / A
0 to 999 °F
0 to 999 °F
N / A
T-M50 / T-M50 ASME Service Manual
Unit information (#1 to #10)
ON/OFF cycles
Fan motor speed
Inlet temperature
Output temperature
Mixing temperature
Air-Fuel ratio rod
current
Flow rate
Bypass valve position
Ratio of hot water and
cold water
Error code history: displays most recent error code
Error code history: displays 2
Error code history: displays 3
Clears memory in error code history*
Air-Fuel ratio stage
Current value of
Proportional valve
The number of
Combustion stages
(T-M50 has 4 stages
for combustion.)
Energization time of
Unit
Estimated output
from Computer board
Actual output of Unit 0 to 9,999 (×100 BTU)
Integrating flow of
Unit
Integrating output of
Unit
50
CONFIDENTIAL
Ver. 1.05
0 to 9,999 (×10 hours)
0 to 9,999 (×100 times)
0 to 9,999 (rpm)
32 to 210 (°F).
Over 210°F=E5,
Under 32°F=E0
0 to 999 (×0.1μA)
0 to 999 (×0.1 GPM)
0 to 9,999, closed position = 0
0 to 999 (%)
nd
most recent error code
rd
most recent error code
N / A
0 to 16, Normal condition = 6
N / A
0 to 9,999 (×0.1μA)
st
"1" means 1 stage
nd
"2" means 2 stage
rd
"3" means 3 stage
th
"4" means 4 stage
"0" means No burning
0 to 9,999 (×10 hour)
0 to 9,999 (×100 BTU)
0 to 9,999 (×1000 gallon)
0 to 9,999 MBTU/h