Appendix E Falcon Lead Lag
E-69
5=Unconfigured safety data
34=Standby Hold
35=Standby Delay
48=Normal Standby
49=Preparing/Pre-purge/Ignition
50=Firing
51=Postpurge
0021 0033 Burner control state R U16 Burner control sequence (I/O) state. Different states exist between residen-
tial & commercial models (see tables 10 & 11). Model type determined by
register 176.
0=Initiate
1=Standby Delay
2=Standby
3=Safe Startup
4=Prepurge - Drive to Purge Rate
5=Prepurge - Measured Purge Time
6=Perpurge - Drive to Lightoff Rate
7=Preignition Test
8=Preignition Time
9=Pilot Flame Establishing Period (Main Trial for Ignition with DBI)
10=Main Flame Establishing Period (Not used with DBI)
12=Run
13=Postpurge
14=Lockout
255=Safety Processor Offline
0022 0034 Lockout code (Active) R U16 0=No lockout, 1-4096 (refer to Table 44, Falcon Lockout and Hold Codes)
0024 0036 Annunciator first out R U16 Source for annunciator first out:
0=None or undetermined
1=ILK
2=PII
11=Annunciator 1 - Interrupted Air Switch
12=Annunciator 2 - Low Water
13=Annunciator 3 - Auxiliary Low Water
14=Annunciator 4 - High Air Pressure
15=Annunciator 5 - High Gas Pressure
16=Annunciator 6 - Low Gas Pressure
17=Annunciator 7
18=Annunciator 8
0025 0037 Annunciator hold R U16 Source for burner control hold condition (see Hold code):
0=None or undetermined
1=ILK
2=PII
3=LCI
11=Annunciator 1 - Interrupted Air Switch
12=Annunciator 2 - Low Water
13=Annunciator 3 - Auxiliary Low Water
14=Annunciator 4 - High Air Pressure
15=Annunciator 5 - High Gas Pressure
16=Annunciator 6 - Low Gas Pressure
17=Annunciator 7
18=Annunciator 8
0026 0038 Sequence time R U16 Running time for timed burner control operation (seconds)
0027 0039 Delay time R U16 Running delay time (seconds). Applicable when burner control in delayed
or hold state.
0028 0040 Hold code R U16 Reason for burner hold (same codes as lockout, see Table 44)
0029 0041 Burner control flags R U16 Bit map: 15-1=Reserved (always 0) 0= Flame detected
SENSOR STATUS
002B 0043 Outlet OP channel (J8-10) R U16 -40°-130° (0.1°C precision) or other (see register 610)
002C 0044 DHW OP channel (J9-3) R U16 -40°-130° (0.1°C precision) or other (see register 612)
002D 0045 Stack OP channel (J9-6) R U16 -40°-130° (0.1°C precision) or other (see register 613)
DEMAND & MODULATION STATUS
0038 0056 Active rate limiter R U16 0=None, 1=Outlet high limit, 2=Delta T limit, 3=Stack limit, 4=Slow
start limit, 5=Anti-condensation, 6=Minimum modulation, 7=Forced rate
0039 0057 Limited rate R U16 RPM or %
Hex Decimal Parameter R/W Format Description