MODBUS COMMUNICATIONS
HeatNet Control V3
Page 109
Figure 65 MODBUS
— BoilerStatus Flags
Bit
Description
Valid Values/Range
12
System Pump
0 = off, 1 = on
13
Combustion Air Damper
0 = off, 1 = on
14
Master Boiler
0 = Member, 1 = Master
15
Boiler Detected (at this address)
0 = not detected, 1 = detected
Figure 66
MODBUS
— BoilerStatus2 Flags
Bit
Description
Valid Values/Range
0
Disabled
0 = enabled, 1 = disabled
1
Heat Demand
0 = no demand, 1 = demand (1)
2
Alarm
0 = ok, 1 = alarm
3
Failed
0 = ok, 1 = failed
4
Member Error
0 = ok, 1 = error
5
Boiler Running
0 = off, 1 = running
6
Pump Running
0 = off, 1 = running
7
Spare 3 Interlock
0 = open, 1 = closed
8
LWCO Interlock
0 = open, 1 = closed
9
VFD Interlock
0 = open, 1 = closed
10
Gas Prove Interlock
0 = open, 1 = closed
11
Spare 4 Interlock
0 = open, 1 = closed
12
Operator Interlock
0 = open, 1 = closed
13
Water Prove (Flow) Interlock
0 = open, 1 = closed
14
UV Sensor Air Prove Interlock
0 = open, 1 = closed
15
Main Valve
0 = closed, 1 = open
This BoilerStatus2 Heat Demand Flag is a combination of the Heat Demand input and the Modbus Heat Demand (40001).
Figure 67
MODBUS
— BoilerStatus3 Flags
Bit
Bit
Bit
0
AA High Fire
0 = off, 1 = on
1
Heat Demand (Local Override)
0 = off, 1 = on (1)
2
4-20mA Remote Enable
0 = off, 1 = on
3
Outdoor Air Reset Override
0 = off, 1 = on
4
T1
0 = off, 1 = on
5
T2
0 = off, 1 = on
Summary of Contents for FUTERA XLF Series
Page 27: ...CONTROL METHODS HeatNet Control V3 Page 27 Figure 25 Base loading relay...
Page 67: ...WIRING CONNECTIONS HeatNet Control V3 Page 67 Figure 49 Jumper Dip Switch Locations...
Page 73: ...WIRING CONNECTIONS HeatNet Control V3 Page 73 Figure 57 Temperature sensors...