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Grundfos ALPHA 15-55 SUC HWR-D Comfort

Grundfos ALPHA 15-55 SUC HWR-D Comfort
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12. Technical data
12.1 Operating conditions
Supply voltage
- Pump 1 x 115 V, +10 % / -10 %, 60 Hz
- Repeater with USB plug 5 V DC, +10 % / -10 %
- AC power adapter for repeater 100-240 V AC, +10 % / -10 %, 50/60 Hz
Motor protection The pump requires no external motor protection.
Enclosure class Indoor use only, IP42. CSA enclosure type 2.
Insulation class F.
Relative humidity Maximum 95 %.
Max. outlet pressure 150 psi (10.34 bar)
Sound pressure level 43 dB (A).
Ambient temperature 34 to 104 °F (1 to 40 °C)
Thermal bypass valve
Max. ambient temperature 170 °F (76 °C)
System installation type Open — residential potable
Max. working pressure 145 psi (10 bar)
Max. liquid temperature 150 °F (66 °C)
Min. liquid temperature 36 °F (2 °C)
Connections 1/2" NPSM
Inlet pressure
Liquid temperature
Min. inlet pressure
167 °F (75 °C) 0.75 psi (0.05 bar)
194 °F (90 °C) 4.06 psi (0.28 bar)
230 °F (110 °C) 15.7 psi (1.08 bar)
Liquid temperature
36 °F (2 °C) to 230 °F (110 °C)
In domestic hot-water systems, keep the liquid temperature below 149 °F (65 °C) to eliminate
the risk of lime precipitation.
To avoid condensation in the control box and stator, the liquid temperature must always be higher than
the ambient temperature.
21
English (US)

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