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Water Temperature Control—Recirculation Systems—Digital | The Brain® DRV80R
Description
The Brain® DRV80R
DRV80R Digital Recirculation Valve (DRV) designed specifically to be the primary water temperature controller in a continuously pumped circulating hot water system. DRV80R is supplied with a recirculation return manifold as shown.
Digital technology provides enhanced water temperature control accuracy which resists zero system demand “Temperature Creep” without the use of a manual throttling valve or a temperature activated pump shut-off device (aquastat).
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- +/-2°F water temperature control at points of use 25’ downstream during demand
- +/-2°F water temperature control at the DRV during zero system demand “idling” periods
- 2°F minimum valve inlet to outlet temperature requirement (system recirculation temperature loss).
- Automatic shutoff of hot water flow upon cold water inlet supply failure
- Automatic shutoff of hot water flow in the event of a power failure
- Programmable set point range of 81-158°F (27-70°C)
- Programmable thermal disinfection mode
- Programmable 1st level hi/lo temp alarm display
- Programmable temperature error level for safety shutdown
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Product Literature
The Brain® Model DRV80R – Product Literature (PDF)
Armstrong Water Temperature Control Solutions Brochure – Product Literature (PDF)
Installation and Maintenance
The Brain® DRV80 Digital Recirculation Valve – Installation and Maintenance (PDF)
The Brain® DRV80 Digital Recirculation Valve – Europe – Middle East – Africa – Installation and Maintenance (PDF)
Guide to The Brain® Modbus Networking – Installation and Maintenance (PDF)
