© Fulton Group N.A., 2020
CONTROL MENUS
Hydronic-PURE-Control-UserManual-211214
SECTION 3
3-6
Parameter Name
Range
Unit
Description
Wiring
Modbus
Register
VFD Command
0.0 – 95.0
Hz
VFD rate as sent from the Sie-
mens LMV3.
3-Wire Shielded
Modbus
Factory Wired D+/D-/SG
40010
INT16
Read
VFD Feedback
0.0 – 95.0
Hz
VFD rate being read back.
3-Wire Shielded
Modbus
Factory Wired D+/D-/SG
40011
INT16
Read
VFD Output
Current
0.00 – 15.00
A
VFD current being read back.
3-Wire Shielded
Modbus
Factory Wired D+/D-/SG
40012
INT16
Read
% Dry O2
0.00 – 21.00
%
O2 value provided by the Control
Board/sensor.
3-Wire Shielded
Modbus
Factory Wired D+/D-/SG
40016
INT16
Read
Boiler Delta T
-50.00 – 250.00
F
Calculated by the Fulton Control-
ler.
N/A
Utilizes Factory wired inlet/outlet
RTD sensors
40019
INT16
Read
Outdoor Air
-50.00 – 250.00
F
Optional RTD sensor for Outdoor
Air Temperature.
Used for Outdoor reset of the
Setpoint and Outdoor Air Cutoff.
The Boiler will revert to the local/
Manual setpoint if this signal is
lost.
RTD
Field Wired to customer connec-
tions
TB4-T5/TB4-T6
-or-
Provided through BMS connection
40025
INT16
Read/
Write
System Supply
-50.00 – 250.00
F
Optional RTD sensor for System
Supply or Header temperature.
Required for Lead/Lag operation
with multiple boilers.
The Boiler will revert to the local/
Manual setpoint if this signal is
lost.
RTD
Field Wired to customer connec-
tions
TB4-T1/TB4-T2
-or-
Provided through BMS connection
40026
INT16
Read/
Write
System Return
-50.00 – 250.00
F
Optional RTD sensor for System
Return or Return Header tem-
perature.
Used for System Delta T calcula-
tion but otherwise is display
only.
RTD
Field Wired to customer connec-
tions
TB4-T3/TB4-T4
-or-
Provided through BMS connec-
tion
40027
INT16
Read/
Write
System Delta T
-50.00 – 250.00
F
Calculation done by the Fulton
Controller.
Uses field wired System Supply
and System Return Temperatures
40028
INT16
Read
Domestic Tank
-50.00 – 250.00
F
Optional RTD sensor for
Domestic Hot Water Tank Tem-
perature.
Required for Domestic Hot
Water Operation.
RTD
Field Wired to customer connec-
tions
TB4-T7/TB4-T8
-or-
Provided through BMS connec-
tion
40029
INT16
Read/
Write
