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Grundfos CMBE - User Manual

Grundfos CMBE
111 pages
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CMBE
With drinking-water approved tank
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

Table of Contents

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Grundfos CMBE Specifications

General IconGeneral
Flow RateUp to 6 m³/h
MaterialStainless Steel
Motor TypePermanent magnet motor
Liquid Temperature0°C to +60°C
Maximum Operating Pressure10 bar
Enclosure ClassIP55
Frequency50 / 60 Hz
Pump TypeCentrifugal pump
Power Supply1 x 200-240 V
ControlIntegrated Frequency Converter
Max Head60 m
Seal TypeMechanical seal
Motor Power0.3 - 1.5 kW

Summary

General Information

Hazard Statements

Details hazard symbols and statements used throughout the manual.

Safety Instructions

Mechanical Installation Safety

Covers DANGER, WARNING, CAUTION for mechanical setup risks.

Electrical Connection Safety

Details electrical safety hazards and precautions for connections.

Mechanical Installation

Adjusting Diaphragm Tank Pressure

Instructions for checking and adjusting the precharge pressure in the diaphragm tank.

Electrical Connection

Cable Requirements

Guidelines on selecting appropriate cable cross-sections and conductors.

Startup

Starting Up the Booster System

Steps for opening valves, switching on power, and initiating pump operation.

Control Functions

Constant Pressure

Explains how the integrated speed controller maintains constant pressure.

Dry-Running Protection

Describes the automatic pump stop mechanism to prevent dry running damage.

Inlet Pressure Protection

Details the adjustable pressure switch for inlet pressure protection.

Setting the Product

Setpoint Setting

Instructions on how to set the desired operating pressure for the pump.

Servicing the Product

Fault Finding

Pump is Not Running

Troubleshooting steps when the pump is not running and no lights are on Grundfos Eye.

Pump Not Running with Alarm

Troubleshooting steps for when the pump is stopped with flashing alarm lights.

Technical Data

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