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SKU: 99614272
Grundfos Hydro Multi-E 3 x CRE 3-8 Three Phase 3 x 0.75kW Variable Speed Booster Pump Set with 24L Tank
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
For holiday units and boutique apartment blocks juggling showers at the morning peak, a factory-assembled Hydro Multi-E 3 CRE 3-8 package provides a well-matched solution, with three CRE 3-8 pumps staged against the demand curve. One factory-tested package replaces a shelf of loose components; order part number 99614272 to put it on site.
Flow capacity reaches 237 L/min. Up to 74 metres of head is available to maintain pressure as demand changes. 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.
The three-pump package arrives as one base-mounted assembly with stainless steel manifolds, two 50 mm manifold connections, valves, sensors and a pressure gauge, plus a 24L diaphragm tank. Electrical supply is 3 x 380-415 V at 50 / 60 Hz with a rated current of 5.55 A. The motors have IP54 protection and the system is rated to 10 bar maximum pressure. Liquid-temperature suitability is 5°C to 60°C. Inlet pressure is rated to 10 bar.
Applications include schools and universities, hotel plant rooms and industrial process supply. The control flexibility suits clean-water boosting in new installations and upgrades.
Features
- Power use precisely tracks demand, avoiding the waste of fixed-speed alternates.
- Integrated Grundfos GO compatibility supports configuration, logging and diagnostics from a phone.
- Pumps are cut in and out according to demand, every running unit turning at the same speed to hold the pressure set point.
- Rated 0.75 kW (P2) on every main pump in the frame.
- Variable speed comes from frequency converters matched to IE5 permanent magnet motors, keeping the booster set in its efficient range.
- No external controller required: Multi-Master redundancy lets either pump assume the controlling role.
- The stainless steel manifold assembly is supplied with two 50 mm manifold connections.
- The controller tracks the pressure setpoint with proportional deviation alerts before conditions become faults.
- Dry-running protection is built into the control, protecting the pumps if the suction supply is interrupted.
- Maximum operating pressure of 10 bar with motors sealed to IP54.
- The system pairs three CRE 3-8 pumps in parallel duty, controlled as a single coordinated system.
- Factory assembled and wet-tested, the set arrives pre-configured for straightforward installation.
- An integrated 24L diaphragm tank carries small draw-offs and limits pump cycling.
What's Included
- 3 x Grundfos CRE 3-8 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
- 24L diaphragm pressure tank
- Factory assembled and tested booster system
SPECIFICATIONS
| Max Flow | 237 L/Min |
| Max Head | 74 m |
| Power | 3 x 0.75 kW / 415v |
| Rated Current | 3 x 5.55 Amps |
| Suitable For | Commercial Water Supply, Pressure Boosting |
| Body Material | Cast Iron |
| Liquid Temperature | 5°C – 60°C |
| Inlet Size | 50 mm |
| Outlet Size | 50 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.
Which manifold connection sizes and fluid isolation valves are factory fitted on this booster unit?
Header plumbing on the Grundfos Hydro Multi-E 3 CRE 3-8 U2 A-A-I-I-DU provides R 2 stainless steel suction and discharge connections accompanied by isolating valves and discharge check valves.
Which factory warranty terms protect the pumps and integrated drive electronics?
Protection on the Hydro Multi-E 3 CRE 3-8 is provided by a comprehensive Grundfos two-year manufacturer warranty with extensive Australian technical service and spare parts support.
How much water delivery can this variable frequency booster system discharge into the header pipework?
Under maximum network draw, the Hydro-Multi-E-3-CRE-3-8 supplies a peak fluid flow rate of up to 237 L/min across its variable speed centrifugal stages.
What electric motor propulsion package drives each parallel pump in this booster assembly?
Propulsion across the Hydro Multi E 3 CRE 3 8 is supplied by three IE5 permanent-magnet MGE electric motors rated at 0.75 kW each, operating on a 3 x 380-415 V electrical supply with integrated frequency converters for precise pressure control.
What maximum system pressure and elevation lift capability can this booster skid achieve?
For vertical pressure boosting, the 3 CRE 3-8 (Hydro Multi-E) produces up to 74 m total elevation head with a 10 bar maximum working pressure envelope.
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