Fulton ProtoNode Start-up Guide
Page 13 of 47
4.1.3 Interfacing ProtoNode to Endura+ (PURE) Controller
There are two profiles available when interfacing with the Endura+ boiler. Hydronic PURE is utilized
when all Modbus points are needed for each boiler and Hydronic PURE Master is available for when
pulling information from just the Master boiler is sufficient. If the Hydronic PURE profile is selected on the
ProtoNode for each boiler, it will require the boilers to be daisy chained together.
Refer to the Installation and Operation Manual and the electrical drawing for the Endura+ boiler for
specific wiring requirements. Power to the ProtoNode can be supplied from terminals V1+ and V1-
(24VDC) on the TB4 terminal block strip.
Control Settings at the Boiler:
• Reference section 7-1 BMS Integration section of the Installation and Operation Manual Controls
Addendum for the Endura+ boiler for setting the Modbus address for the Endura+ boilers.
• Power may need to be cycled to the boiler panel before communication will start.
NOTE: The A, B and C terminals on the TB4 terminal block strip are for Modbus communication to
the boiler and the AA, BB and CC terminals are for Modbus communication out of the boiler on to
the next device. Please see page 3 of the electrical drawing included with the boiler.
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