UPS3 15-50/65 130 High-efficiency canned-rotor circulator designed for circulating liquids in domestic heating systems. appropriate as stand-alone or integrated circulator pump in existing systems, as replacement or in new heating systems.
The pump features three control modes:
- constant-curve mode with three settings
- proportional-pressure control with two settings
- constant-pressure control with two settings
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Furthermore, the speed can be controlled by a low-voltage PWM (Pulse Width Modulation) profile A – Heating.
Additionally, the straightforward and user-friendly one-button interface makes replacement and settings uncomplicated and fast.
LEDs indicate the actual operating status as well as warnings and alarms
The design of the pump and chosen materials contribute to a long service life. The pump is self-venting through the system, which contributes to straightforward commissioning. The space-efficient design, featuring a pump head with an integrated control box, fits into most common installations as well as boilers due to the ambient temperature range. Pump and motor form an integral unit without a shaft seal. The bearings are lubricated by the pumped liquid. These design features ensure maintenance-free operation. Servicing screw accessible from the front allows for straightforward access to the pump shaft if deblocking of the pump is required once it has been installed.
The pump housing is made of Cast Iron. The pump housing is electrocoated to improve corrosion resistance.
The motor is a synchronous permanent-magnet motor characterised by high efficiency. Pump speed is controlled by an integrated frequency converter incorporated in the control box.
The benchmark for the most high-efficiency circulators is EEI ≤ 0.20.
Suitable for: Commercial heating, District heating, Domestic heating
Real-world product applications
- Circulating water around closed-loop pipework systems
- Maintaining flow through distribution circuits
- Supporting recirculation in building services installations
- Keeping consistent flow through equipment or pipe runs
- Assisting with loop circulation for system efficiency
Key Product Features
- Net weight: 1.99 kg
- Mains frequency: 50 Hz
- Approvals: CE,VDE,UKCA
- Rated Head: 3.28 m
- Max Head: 65 dm
- Rated Flow: 1.94 m³/h
- Product Voltage: 1 x 230 V
- Temperature Liquid Range: 2 .. 95 °C
- Pumped Liquid: Water
- Port to Port Length: 130 mm
- Connection Size: 1 1/2 inch
- Type of connection: G
- Maximum Operating Pressure: 10 bar
- Impeller Material: Composite
- Pump Housing Material: Cast Iron
This is a Grundfos Circulator pump which can be used within closed loop cooling, heating and hot water systems.
Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.
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