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Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
armstronginternational.com/brain
Technical Specications
Specications
General
Protection NEMA 3S
Ambient Temperature Minimum ambient temperature of 35 °F (2 °C) maximum 122 °F (50 °C)
Ambient Humidity 95% Non-condensing
Connections 1” NPT Internal (female)
Installation Environment Suitable for indoor use only
Normal Environmental Conditions Altitude up to 2000m
IP Rating IPx4
Materials
Electronics Casing: PC/ABS
Valve: Stainless Steel, engineering plastics and elastomers
Safety Thermal shutdown upon inlet supply failure and / or power failure
Weight 6.83 lbs (3.1 kg)
Pressures
Maximum Inlet Supply Pressure 200psi (1379 kPa = 13.8 bar)
Minimum Inlet Supply Pressure 20 psi (138 kPa = 1.5 bar)
Supply Pressure Dierential Inlet supply pressures must be nominally equal
Temperatures
Maximum Inlet Hot Water Supply 185°F (85°C), 131°F (55°C) During group control
Minimum Inlet Hot Water Supply 2°F (1°C) above set point
Minimum Inlet Cold Water 35.6°F (2°C)
Set Point Range 78.8°F to 185°F (26 - 85°C)
Minimum Recirculation Loop
Temperature Loss
2°F (1°C)
Recirculation Circuit
Minimum distance to First Outlet 25 ft (7.6 m)
Flow Rates
Maximum Suggested Flow Rate 45 gpm (170 lpm)
Minimum Recirculation Flow Rate 2 gpm (8 lpm)
Minimum System Draw-o 0 gpm (0 lpm) during recirculation, 2 gpm (8 lpm) during group control
Electrical
Power Supply 120 - 240V AC ~ 50/60Hz
Supply Fuse / Circuit Breaker
Grounding is required.
Switched type 3 Amp (no plug), 15 Amp Grounding-type receptacle (plug).
Battery 4 x Duracell High Power Lithium CR2 (3V)
Duty Cycle Continuously rated
Overvoltage Category II
Classication Pollution Degree 2
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