CleaverBrooks CFC-500 Operation, Service And Parts Manual page 298

Clearfire condensing boiler
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CB FALCON MODBUS COMMUNICATION
Table 4. CB Falcon Modbus register map
02C9
0713
02CA
0714
02CB
0715
02CC
0716
02CD
0717
02CE
0718
02CF
0719
02D0
0720
02D1
0721
02D2
0722
02D3
0723
02D4
0724
02D5
0725
02D6
0726
02D7
0727
02D8
0728
02D9
0729
02DA
0730
02DB
0731
02DC
0732
02DD
0733
02DE
0734
02DF-02EF 0735-0751 RESERVED
02F0
0752
02F1
0753
Slave dropout/return
compensation
Add stage method
RESERVED
Add stage detection time
RESERVED
Add stage error threshold
Add stage rate offset
Add stage error gain
Add stage rate gain
Add stage inter-stage delay R/W
Drop stage method
RESERVED
Drop stage detection time
RESERVED
Drop stage error threshold
Drop stage rate offset
Drop stage error gain
Drop stage rate gain
Drop stage inter-stage delay R/W
RESERVED
Lead rotation time
Force lead rotation time
EXTENDED PUMP
CONFIGURATION
Auxiliary 1 pump overrun
time
Auxiliary 1 pump options 1
R/W
U16
0=No slave compensation,
1=Replace dropout immediately,
2=Adjust rate for remaining slaves,
3=Both replace dropout & adjust rate
R/W
U16
0=Do not add stage,
1=Use error threshold,
2=Use firing rate threshold,
3=Use error rate change & threshold,
4=Use firing rate change & threshold
R/W
U16
0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W
U16
0°-130° (0.1°C precision)
R/W
U16
-100-100%
R/W
U16
0-100
R/W
U16
0-100
U16
0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W
U16
0=Do not drop stage,
1=Use error threshold,
2=Use firing rate threshold,
3=Use error rate change & threshold,
4=Use firing rate change & threshold
R/W
U16
0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W
U16
0°-130° (0.1°C precision)
R/W
U16
-100-100%
R/W
U16
0-100
R/W
U16
0-100
U16
0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W
U16
0-64800 minutes (1080 hours), 0xFFFF=Not configured
R/W
U16
0-64800 minutes (1080 hours), 0xFFFF=Not configured
R/W
U16
0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W
U16
Bit map:
15=Normal pump demand when auxiliary pump Z is set,
14=Normal pump demand when auxiliary pump Y is set,
13=Normal pump demand when auxiliary pump X is set,
12-7=Reserved (always 0),
6=Normal pump demand when DHW service is active,
5=Normal pump demand when CH service is active,
4=Reserved,
3=Normal pump demand when DHW demand,
2=Normal pump demand when CH demand,
1=Normal pump demand when local burner demand,
0=Local demand inhibited for faults
28
a
2
(0.1% units)
a
2
(0.1% units)

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