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3.
Operational Limits
Control Signal Input Range Options:
Voltage signal range: 0-10V(DC) or 2-10V(DC)
Current signal range: 0-20mA or 4-20mA
Grundfos Variable Speed pumps are designed to pump
liquids compatible with their cast iron pump housing
construction. They are recommended for use in closed
hydronic systems. Grundfos Variable Speed pumps
are for Indoor Use Only.
Grundfos Variable Speed Pumps are intended for use
with water, or a 50/50 mixture by weight of propylene
glycol.
UP15-42F/VS 115V 60 Hz:
Maximum Fluid Temperature: 205°F (96°C)
Maximum Ambient:
• 107°F (42°C) with control module vertical
(Fig. 1).
• 105°F (41°C) with control module on top of
pump and horizontal (Fig 1).
Maximum Working Pressure: 145 PSI
Minimum Inlet Pressure: 5 PSI
UP26-96F/VS 115V 60HZ:
UP26-64F/VS 115V 60HZ:
Maximum Fluid Temperature: 195°F (90°C)
Maximum Ambient:
• 105°F (40°C) with control module vertical
(Fig. 1).
• 92°F (33°C) with control module on top of
pump and horizontal (Fig. 1).
Maximum Working Pressure: 145 PSI
Minimum Inlet Pressure: 5 PSI
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