Water Temperature Control - Digital features Digital Recirculating Valves (DRV) and Digital Mixing Centers (DMC) specifically designed for use in a continuously pumped recirculating hot water system.

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The Brain® - Digital Re-Circulating Valve

Model DRV40 is a Digital Re-Circulating Valve (DRV) designed for systems which experience diverse draw-off between 0 - 41 GPM* and is provided with 1.5” NPT connections.

Model DRV50 is a Digital Re-Circulating Valve (DRV) designed for systems which experience diverse draw-off between 0 - 73 GPM*. DRV50 is a model DRV80 provided with bushed down 2” NPT connections.

Model DRV80 is a Digital Re-Circulating Valve (DRV) designed for systems which experience diverse draw-off between 0 - 165 GPM* and is provided with 3” NPT connections.

The Brain - Digital Re-Circulating Valve with pre-piped re-circulation manifold

Model DRV40R – As above with integral recirculation system return manifold assembly with 1.5” NPT connections.

Model DRV50R – As above with integral recirculation system return manifold assembly with 2” NPT connections.

Model DRV80R – As above with integral recirculation system return manifold assembly with 3” NPT connections.

The Brain® - Digital Mixing Centers (DMC)

Model DMC40 is a pre-piped Digital Mixing Center supplied with all requisite installation components. DMC40 is designed for systems which experience diverse draw-off between 0 - 41 GPM* and is provided with 1.5” union connections.

Model DMC40-40 is a pre-piped Digital Mixing Center supplied with all requisite installation components. DMC40-40 includes two DRV40 and is designed for systems which experience diverse draw-off between 0 - 115 GPM* or require DRV redundancy. DRV40-40 is provided with 2.5” union connections.

Model DMC50 is a pre-piped Digital Mixing Center supplied with all requisite installation components. DMC50 is designed for systems which experience diverse draw-off between 0 - 73GPM* and is provided with 2” flanged connections.

Model DMC80 is a pre-piped Digital Mixing Center supplied with all requisite installation components. DMC80 is designed for systems which experience diverse draw-off between 0 - 165GPM* and is provided with 3” flanged connections.

Model 80-80 is a pre-piped Digital Mixing Center including two DRV80 supplied with all requisite installation components. DMC80-80 is designed for systems which experience diverse draw-off between 0 - 294 GPM* and is provided with 4” flanged connections.

Model DMC80-80-80 is a pre-piped Digital Mixing Center including three DRV80 supplied with all requisite installation components. DMC80-80-80 is designed for systems which experience diverse draw-off between 0 - 459 GPM* or require DRV redundancy and is provided with 5” flanged connections.

Connectivity

The Brain® – Digital Recirculating Valve (DRV) and all derivative assemblies are provided as standard with the following communication capabilities:

SPCO Relay Outputs – Relay which is energized during operation and switches from a normally open position upon the presentation of an error code. Can also be configured to activate upon a temperature alert condition. Relay may be used to connect to a remote alarm or solenoid valve.

LCD Display – Provides information on set point, delivered temperature with an option for °C or °F and displays all error codes and alert conditions.

RS485 Serial Port – Connects the DRV to either a Building Automation System Module (BS - Connectivity Module) or directly to Modbus RTU.

 

* Note: Flow capacities indicated at 7.5 ft/sec pipeline velocity.

The integral RS485 Serial Port on The Brain® Digital Recirculating Valve (DRV) can be used to connect the DRV directly to a Building Automation System (BAS) using Modbus RTU or to an optionally selected Control Module (BS) which enables interface with a BAS operating on Modbus, BACnet™ or LonWorks™ protocols.