Installation guide

Page 27 of 51
Slave
Command
0235
0565
AV
/AO
98(Boiler
Firing Rate
using
percentage),
99 (Boiler
Firing Rate
using
Binary), 100
(Boiler
Enable)
R/W
Bitmap
15 = Slave demand request
14 = Slave suspend startup
13 = Slave run fan request
12 = Turn on auxiliary pump X
11 = Turn on auxiliary pump Y
10 = Turn on auxiliary pump Z
9 = Slave pump demand
8 = Commanded rate is binary fraction
%
5
7-0 = Commanded rate
4
CH Modbus
Setpoint
0243
0579
AV
/AO
68
R/W
-
40
–
130
o
C (0.1
o
C precision)
1
CH
Modulation
Rate Source
0244
0580
AV
/AP
69
68
R/W
0 = Local modulation (sensor)
CH Modbus
Rate
0245
0581
AI
/AI
96
R
Commanded CH modulation rate
4
when source is Modbus
Warm
Weather
Shutdown
Setpoint
0274
0628
AV
/AO
71
70
R/W
-
40
–
130
o
C (0.1
o
C precision)
1
Lead Lag
DHW
Setpoint
02C1
0705
AV
/AO
72
71
R/W
-
40
–
130
o
C (0.1
o
C precision)
1
Slave 1 State
0302
0770
AI
/AI
73
72
R
Slave State:
0 = Slave is unknown
1 = Available
2 = Add Stage
3 = Suspended Stage
Slave 2 State
0306
0774
AI
/AI
75
74
R
Slave 3 State
030A
0778
AI
/AI
77
76
R
Slave 4 State
030E
0782
AI
/AI
79
78
R
Slave 5 State
0312
0786
AI
/AI
81
80
R