CleaverBrooks CFC User Manual

71 750-265
0003 0003 Annunciation I/O R U16 Only applicable when Annunciation is enabled
Bit map:
15-8=Reserved (always 0)
7=Annunciator 8
6=Annunciator 7
5=Annunciator 6
4=Annunciator 5
3=Annunciator 4
2=Annunciator 3/LFS
1=Annunciator 2/HFS
0=Annunciator 1/IAS
0004 0004 Limits R U16 Bitmap:
15-4=Reserved (always 0)
3=Delta T limit
2=Stack limit
1=DHW high limit
0=Outlet high limit
0005 0005 PIM status R U16 Bit map:
15-11=Reserved
10=OEM alert PCB stored in PIM
9=OEM range PCB stored in PIM
8=OEM parameter PCB stored in PIM
7-2=Reserved
1=Lead/Lag enabled
0=PIM installed
TREND STATUS
0006 0006 Demand source R U16 Current demand source:
0=Unknown
1=No source demand
2=CH
3=DHW,
4=Lead Lag
5=CH frost protection
6=DHW frost protection
7=No demand due to burner switch (register 199)
turned off
0007 0007 Outlet temperature R U16
-40°-130° (0.1°C precision)
1
0008 0008 Firing rate R U16
Actual firing rate (%
2
or RPM
3
).
0009 0009 Fan speed R U16 RPM
000A 0010 Flame signal R U16 0.01V or 0.01μA precision
(0.00-15.00V)
000B 0011 Inlet temperature R U16
-40°-130° (0.1°C precision)
1
000C 0012 DHW temperature R U16
-40°-130° (0.1°C precision)
1
000D 0013 Outdoor temperature R U16
-40°-130° (0.1°C precision)
1
000E 0014 Stack temperature R U16
-40°-130° (0.1°C precision)
1
000F 0015 Header temperature R U16
-40°-130° (0.1°C precision)
1
0010 0016 Active CH setpoint R U16
-40°-130° (0.1°C precision)
1
Setpoint determined by CH
setpoint source (register 65).
0011 0017 Active DHW setpoint R U16
-40°-130° (0.1°C precision)
1
Setpoint determined by
DHW setpoint source (register 81).
0012 0018 Active LL setpoint R U16
-40°-130° (0.1°C precision)
1
Setpoint determined by LL
setpoint source (register 161).
Table 33. CB Falcon Global Modbus Register Map. (Continued)
Address
(hex)
Register
(dec) Parameter
Read/
Write Format Note

CleaverBrooks CFC Specifications

General

Brand	CleaverBrooks
Model	CFC
Category	Boiler
Language	English