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SKU: 99614481
Grundfos Hydro Multi-E 3 x CRE 20-8 Three Phase 3 x 11kW Variable Speed Booster Pump Set with 8L Tank
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
For school blocks and council facilities fed by long, pressure-hungry reticulation, a factory-assembled HYDRO MULTI-E 3 CRE 20-8 package provides a well-matched solution, with three CRE 20-8 pumps staged against the demand curve. One factory-tested package replaces a shelf of loose components; order part number 99614481 to put it on site.
The system supports flow rates up to 1610 L/min. It can develop up to 166 metres of head for dependable pressure boosting. Because every pump carries its own frequency converter and the Multi-Master software elects the controlling pump itself, losing a control unit or pressure sensor means seamless handover rather than a shutdown.
For installation, the booster is supplied pre-assembled with stainless steel manifolds, two 100 mm manifold connections, isolation valves, non-return valves, pressure sensors and a gauge, plus an 8L diaphragm tank. It is designed for 3 x 380-415 V power at 50 / 60 Hz with a rated current of 64.6 A, with IP55 motor protection and a 25 bar maximum system pressure. Liquid-temperature suitability is 5°C to 60°C. Inlet pressure is rated to 16 bar.
Typical duty sits with mixed-use commercial buildings, hospitals and industrial process supply. It is designed for clean-water pressure boosting where demand varies through the day.
Features
- The controller tracks the pressure setpoint with proportional deviation alerts before conditions become faults.
- An integrated 8L diaphragm tank carries small draw-offs and limits pump cycling.
- Power use precisely tracks demand, avoiding the waste of fixed-speed alternates.
- The package is wet-tested and pre-configured, requiring only pipework and power on site.
- Dry-running protection is built into the control, protecting the pumps if the suction supply is interrupted.
- Each pump is driven by IE5 permanent magnet motors with frequency-controlled speed matching demand.
- Three Grundfos CRE 20-8 pumps share the boosting work in parallel.
- The stainless steel manifold assembly is supplied with two 100 mm manifold connections.
- Integrated Grundfos GO compatibility supports configuration, logging and diagnostics from a phone.
- Pump staging follows demand automatically: pumps enter at low speed as pressure drops, ramp to equal speed, and exit as flow fades.
- Multi-Master redundancy means either pump can act as controller, with seamless changeover on fault.
- Each main pump is rated 11 kW (P2), so per-pump draw scales down as speed follows demand.
- Rated for 25 bar system pressure; motors carry IP55 protection.
What's Included
- 3 x Grundfos CRE 20-8 vertical multistage pumps
- IE5 permanent magnet motors with integrated frequency converters
- Stainless steel suction manifold
- Stainless steel discharge manifold
- Non-return valves
- Isolation valves
- Pressure sensors/transmitters
- Pressure gauge
- 8L diaphragm pressure tank
- Factory assembled and tested booster system
SPECIFICATIONS
| Max Flow | 1610 L/Min |
| Max Head | 166 m |
| Power | 3 x 11 kW / 415v |
| Rated Current | 3 x 64.6 Amps |
| Suitable For | Commercial Water Supply, Pressure Boosting |
| Body Material | Cast Iron |
| Liquid Temperature | 5°C – 60°C |
| Inlet Size | 100 mm |
| Outlet Size | 100 mm |
| Warranty | 24 Months |
Warranty & Returns
All products supplied by Foundation Pumps are covered by a minimum 12-month warranty unless otherwise stated. Some brands may offer longer manufacturer warranties. Warranty covers manufacturing defects, faulty materials and workmanship under normal use.
- Products must be installed correctly and in accordance with the manufacturer’s instructions.
- Warranty does not cover incorrect installation, misuse, dry running, normal wear and tear, unauthorised repairs or damage caused by external factors.
- Proof of purchase, photos, videos and installation details may be requested when assessing a warranty claim.
- The customer is responsible for returning the product to Foundation Pumps or the nominated service centre unless otherwise agreed.
- Removal, reinstallation, labour and associated site costs are generally the customer’s responsibility unless required under Australian Consumer Law.
- Change-of-mind returns may be accepted within 30 days provided the product is unused, uninstalled and returned in its original packaging.
- Customers are responsible for return freight costs for change-of-mind returns.
- Restocking fees may apply to special-order, bulky or non-stocked products.
- Used, installed or specially ordered products may not be eligible for change-of-mind returns.
- If a product arrives damaged or faulty, please contact Foundation Pumps as soon as possible so we can assist with the appropriate repair, replacement or refund.
Your rights under Australian Consumer Law are not affected.
What plumbing manifold dimensions and isolating valves are factory assembled on this package?
Header plumbing on the Grundfos Hydro Multi-E 3 CRE 20-8 U2 A-A-I-I-DU provides DN 100 stainless steel suction and discharge connections accompanied by isolating valves and discharge check valves.
What manufacturer warranty protection backs the complete packaged booster skid?
Protection on the Hydro Multi-E 3 CRE 20-8 is provided by a comprehensive Grundfos two-year manufacturer warranty with extensive Australian technical service and spare parts support.
Under maximum draw periods, what fluid delivery volume does this parallel booster package maintain?
Under maximum network draw, the Hydro-Multi-E-3-CRE-20-8 supplies a peak fluid flow rate of up to 1610 L/min across its variable speed centrifugal stages.
How are the pump wet ends powered and speed controlled during variable demand cycles?
Propulsion across the Hydro Multi E 3 CRE 20 8 is supplied by two IE5 permanent-magnet MGE electric motors rated at 11 kW each, operating on a 3 x 380-415 V electrical supply with integrated frequency converters for precise pressure control.
How much elevation lift and maximum discharge pressure can this multi stage booster unit maintain?
For vertical pressure boosting, the 3 CRE 20-8 (Hydro Multi-E) produces up to 166 m total elevation head with a 25 bar maximum working pressure envelope.
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