Grundfos UPS2 25-80 180 wet rotor circulator for heaters 1 1/2 inch 180mm 98707853

Grundfos UPS2 circulation pumps have advanced control modes that allow you to adjust pump performance to suit actual system requirements in single and two-pipe heating systems. The motor is based on permanent magnet technology and a compact rotor that ensures quiet operation and low energy consumption.

Features:

Suitable for:

• Replacing old circulators
• Domestic heating systems.

Liquid:

• Pumped liquid: water
• Liquid temperature: +2° C to +95° C
• Liquid temperature during operation: 60° C
• Density: 983.2 kg/m³
• Ambient temperature: 0° C to +40° C.

Techniques:

• Maximum head: 8 meters
• TF class: 95
• Approvals on the nameplate: CE, WEEE.

Installation:

• Maximum working pressure: 10 bar
• Pump connections: G 1" 1/2
• Working pressure: PN 10
• Centre distance: 180 mm.

Electrical data:

• Voltage: single-phase 230 V ± 10 %.
• Mains frequency: 50/60 Hz
• Maximum power: 140 W
• Degree of protection: IP44
• Insulation class: F
• Does not require external protection for the motor
• Energy (EEI): ? 0.23

Materials and components

• Cast iron pump body
• Impeller in composite material
• Ceramic shafts and bearings
• Stainless steel bearing bracket
• Stainless steel rotor and rotor sleeve
• 4 poles synchronous motor with permanent magnets
• Electrical connection via connector
• Manual release: through front screw
• Sound pressure: ? 43 dB(A)
• Control modes: constant curve (3 levels), proportional pressure (3 levels)
• Compatible with Alpha plug
• Dimensionally compatible with older UPS circulators
• Compliant with EUP (0.23), provides 50% energy savings compared to older generation pumps.