Grundfos格兰富增压机组HYDRO MULTI-E 3 CRE 20-6供水机组-供水系统-格兰富成套供水设备

Grundfos格兰富增压机组HYDRO MULTI-E 3 CRE 20-6供水机组适用于商业用水增压、区域供冷

区域供热、工业供水与输送、小区及建筑供水、市政输配水，节能增压系统，用于清水增压。 

可用于 2-4 个并排连接的调频泵，内置高级控制器和所有必要配件

HYDRO MULTI-E 3 CRE 20-6

GRUNDFOS Hydro Multi-E booster sets are designed for the transfer and pressure boosting of clean 

water in waterworks, blocks of flats, hotels, industry, hospitals, schools, etc. GRUNDFOS Hydro 

Multi-E booster sets consists of 2 to 3 CR(N)E pumps coupled in parallel and mounted on a common 

base frame provided with all the necessary fittings.

Hydro Multi-E is mounted on a common base frame made in stainless steel. On the suction side are 

fitted a suction manifold (EN 1.4301/ AISI 304) and two pressure transmitters which are mounted 

on an isolating valve. On the discharge side of the pumps are fitted a non-return valve, an isolating 

valve, a pressure gauge, two pressure transmitters mounted on an isolating valve, a diaphragm tank and 

a stainless steel discharge manifold (EN 1.4301/ AISI 304). The Hydro Multi-E is fitted with an 

on/off-switch for the supply voltage.

The Hydro Multi-E is designed for maintaining a constant pressure regardless of flow changes and 

fluctuation.

The internal PI-controller regulates the number of running pumps and the speed of the pumps according 

to the required flow.

The system can be operated directly on the graphical display of any of the pumps or via Grundfos 

GO (available as accessory).

Besides the system features:

2 Relay outputs

2 Digital inputs (one used for external start/stop)

2 Digital configurable input/output

3 analogue inputs (one used for discharge pressure and one used for inlet pressure)

Multi-Master functionality

2 Limit exceed functions (one used for dry running protection)

Set-point influence

Pipe filling function

Proportional pressure and High Efficient PM motors

Available communication protocols:

LON

PROFIBUS DP

PROFIBUS IO

BACnet MS/TP

BACnet IP

Modbus RTU

Modbus TCP

Ethernet IP

Cellular 3G/4G

GiC/GRM

When delivered, the GRUNDFOS Hydro Multi-E booster set is factory tested and ready for operation.