Grundfos Hydro Multi-E 3 CRE 15-3 U2 A-A-I-I-DU Booster Set – 99614451
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Grundfos Hydro Multi-E is an energy‑efficient pressure boosting system for clean water, consisting of 3 parallel‑connected, frequency‑controlled CRE 15‑3 multistage centrifugal pumps mounted on a black‑painted mild steel base frame. The unit delivers a maximum flow of 84 m³/h and a maximum head of 62 m. The inlet and outlet manifolds are made of AISI 316 stainless steel with DN 100 connections per DIN2642, and the system includes a diaphragm tank (24 l), isolating valves, non‑return valve, pressure gauges, and two pressure transmitters. Each pump is driven by an IE5 high‑efficiency PM motor (P2 = 3 kW, IP54, 3 x 380‑415 V, 50/60 Hz). The integrated PI controller maintains constant pressure regardless of flow variations and can be operated via the graphical display or Grundfos GO.
Suitable Applications
- Commercial water pressure boosting
- District heating
- District cooling
- Industrial water supply and transfer
- Water distribution
- Community water supply
- Rotor and spray irrigation
- Ground water transfer
- Livestock and wildlife watering
- Water treatment fertigation, chemigation and dosing
- Pivot and lateral irrigation
- Frost protection
- Solar boosting and water supply solutions
- Controls and digital groundwater management
- Solar controls and digital water management
- Solar water treatment fertigation and dosing
- Municipal solar solutions
- Agriculture solar solutions
- Livestock watering with solar solutions
- Community solar solutions
Key Specifications
| Product Name | Hydro Multi-E 3 CRE 15-3 U2 A-A-I-I-DU |
| Product Number | 99614451 |
| EAN | 5713831937531 |
| Pump Type | Booster set with 3 parallel‑connected frequency‑controlled CRE multistage centrifugal pumps |
| Number of Pumps | 3 |
| Rated Flow | 84 m³/h |
| Rated Head | 62 m |
| Minimum Flow System | 10 m³/h |
| Liquid Temperature Range | 5 .. 60 °C |
| Maximum Operating Pressure | 10 bar |
| Maximum Permissible Inlet Pressure | PN 10 bar |
| Connections | Manifold inlet/outlet: DN 100, Flange standard: DIN2642 |
| Base / Head Material | Pump housing: Cast iron; Manifolds: Stainless steel (AISI 316) |
| Motor Power (P2) | 3 kW |
| Voltage | 3 x 380-415 V |
| Frequency | 50 / 60 Hz |
| Rated Current | 18.6 A |
| Motor Efficiency Class | IE5 |
| Enclosure Class | IP54 |
| Net / Gross Weight | 272 kg / 394 kg |
| Shipping Volume | 1.44 m³ |
| Tank Volume | 24 l |
| Diaphragm Tank | Yes |
| Earth Connection | PE |
| Pump Name | CRE 15-3 |
| Maximum Ambient Temperature | 40 °C |
| Pumped Liquid | Water |
| Density | 998.2 kg/m³ |
| Start Method | electronically |
| Language | MULTI |
| Sales Region | APAC |
Documentation & Downloads
| HYDRO MULTI-E (>3.0 kW) (QUICK GUIDE) | Download |
| Hydro Multi-E, CR(I)E (<2.2 kW) (Quick Guide) | Download |
| Hydro Multi-E, CRIE APAC | Download |
| Hydro Multi-E CME | Download |
| Mounting of sensor for Hydro Booster (Quick Guide) | Download |
| HYDRO MULTI-E (Product brochure) | Download |