3 sensor log, Gf-123, Benchmark 2.0ln low nox boiler – AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) User Manual
Page 115
GF-123
Benchmark 2.0LN Low NOx Boiler
Chapter 9
OMM-0046_0E
I
nstallation, Operation and Maintenance Manual
RS232 Comm.
PR1 08/20/12
AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288
Page 115 of 170
means that no more than 30 minutes of data can be lost if the unit loses power. Table 9-2
shows a sample Operation Time Log for a boiler:
The Operation Time Log can only be accessed through the RS232 interface using a laptop or
other terminal device. Ten operation time records are displayed for each T command entry. The
operation time log can be cleared ONLY by factory authorized personnel using the Clear Log
option in the Factory menu.
NOTE
The Sensor (S) Log can store up to 1200 records. Therefore, to view the
most recently logged record, enter “S” followed by 0 (zero) and then press
Enter (i.e. S0
order, enter S and press Enter. To go back 200 or 700 records, enter S200
or S700, etc. and press Enter.
9.4.3 Sensor Log
The sensor values can be logged at a different rate if needed by setting the Sensor Log Interval
in the Diagnostics Menu. The log interval can vary from once every minute to once every day.
Table 9-3 shows a sample Sensor Log every 5 minutes for a boiler running in Constant Setpoint
mode.
Table 9-1. Sample Fault Log Display
No.
Fault Message
Cycle
Date
Time
0
Direct Drive Signal Fault
609 1/10/02
8:42am
1
Low Gas Pressure
366 7/04/01
5:29pm
2
Loss of Power
0 1/01/01
11:50am
Table 9-2. Sample Operation Time Log Display
Status
Fire Rate
Flame
Run Length
Date
Time
Off, Direct Drive
0
0
8
1/15/02
2:35pm
Run, Direct Drive
38
100
34
1/15/02
2:27pm
Run, Direct Drive
31
100
30
1/15/02
1:53am
Run, Direct Drive
35
100
2
1/15/02
1:23pm
Run, Direct Drive
29
100
0
1/15/02
1:21pm
Ignition
0
0
0
1/15/02
1:20pm
Off, Switch
0
0
35
1/15/02
12:30pm
Run, Manual
40
100
0
1/15/02
11:55am
Ignition
0
0
0
1/15/02
11:55am
Power-up
0
0
0
1/15/02
11:50am
Table 9-3. Sample Sensor Log Display
Setpt
Outlet
Outdr
FFWD
Aux
Inlet
Exhst
CO
O2
Flow
Date
Time
130
181
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:51pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:46pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:41pm
130
179
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:36pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:31pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:26pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:21pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:16pm
130
179
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:11pm
130
180
OPEN
OPEN
OPEN
OPEN
OPEN
0
.0
0
1/15/02 5:06pm