Product Introduction; Product Description; Intended Use; Receiving The Product - Grundfos Hydro Multi-E Series Installation And Operating Instructions Manual

3. Product introduction

3.1 Product description

Hydro Multi-E incorporates Grundfos CRE pumps with integrated
frequency-controlled single- or three-phase MLE motors and a
breaker cabinet.
Grundfos Hydro Multi-E pump systems are designed for pressure
boosting of clean water.
Typical applications:
• apartments
• hotels
• hospitals
• schools
• office buildings.
The system adjusts its performance to the demand by cutting the
required number of pumps in or out and through parallel control of
the pumps in operation.

3.2 Intended use

Hydro Multi-E is a range of factory-assembled pump systems
ready for installation and operation.
The system maintains a constant pressure through continuous
variable adjustment of the speed of the connected pumps.
1
2
3
4
5
Fig. 1 Hydro Multi-E components
Pos. Description
1 Pump
2 Diaphragm tank (optional)
(2) Pressure sensors and a gauge on
3
discharge manifold
4 Discharge manifold
5 Base frame (304 SS)
6 Breaker cabinet*
7 Nameplate
8 Check valve
(2) Pressure sensors and a gauge or (1)
9 pressure switch and gauge on suction
manifold.
10 Suction manifold
11 Isolating valve
* The breaker cabinet incorporates a main switch and circuit
breakers.
4

4. Receiving the product

4.1 Transporting the product

The pump system is delivered wrapped on a pallet that is
designed for transport by forklift truck or similar vehicle.
Depending on the size, the booster system is delivered in a
wooden crate, closed wooden box, wrapped on a pallet that is
designed for transport by forklift truck or similar vehicle.

4.2 Inspecting the product

Before installing the product, check the following:
• The pump system corresponds to the order.
• All visible parts are intact.

4.3 Scope of delivery

The pallet contains the following:
• 1 Hydro Multi-E system
• installation and operating instructions for Hydro Multi-E
• quick guide for Hydro Multi-E
• installation and operating instructions for CRE, CRIE, CRNE,
SPKE, MTRE, CME.

4.4 Handling and lifting the product

DANGER
Overhead load
6
Death or serious personal injury
- When lifting the pump system, do not use the
7
eyebolts of the motors.
- Do not lift the pump system by the manifolds.
- Do not stand on the manifolds.
8
WARNING
9
Crushing of feet
10
Death or serious personal injury
- Use the supplied wooden beams delivered to
11
support the system when mounting machine
shoes.
WARNING
Overhead load
Death or serious personal injury
Qty
- Use safety equipment when mounting the base
2-3 frame.
- Restrict access to the area.
- Installation must be carried out by trained
personnel.
1
CAUTION
1
Overhead load
1
Minor or moderate personal injury
1
- Use appropriate lifting equipment when placing the
1
system.
1 per
pump
1
1
2 per
pump