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Grundfos Conlift1 User Manual

Grundfos Conlift1
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Conlift1, Conlift2, Conlift2 pH+ GBE
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

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Grundfos Conlift1 Specifications

General IconGeneral
Voltage230 V
Frequency50 Hz
TypeCondensate removal pump
Protection classIP24
Max Flow Rate120 l/min
Max Head5 m
Inlet Size1"
Max. flow120 l/min
Liquid temperature50 °C

Summary

Symbols used in this document

Warning (Personal Injury)

Safety instructions observance leads to personal injury.

Warning (Electric Shock)

Instructions observance leads to electric shock risk.

Caution (Operation)

Observance prevents malfunction or equipment damage.

Note (Operational Aid)

Instructions to simplify job and ensure safe operation.

General description

Product Overview

Grundfos Conlift1, Conlift2, and Conlift2 pH+ are compact lifting stations with built-in non-return valves and alarm devices.

Handling

Handling Caution

Do not drop the Conlift on the floor.

Applications

Application Areas

Conlift pumps condensate from boilers, AC systems, cooling/refrigeration, dehumidifiers, and evaporators.

Condensate Handling

Suitable for condensate below sewer level or with no natural downward slope.

Boiler Condensate Warnings

Boiler condensates are acidic and may require neutralisation according to local regulations.

Flammable Liquids

Warning: Must not be used for flammable liquids.

Explosive Environments

Warning: Must not be installed in potentially explosive environments.

pH Value Requirements

Pumps condensates with pH 2.5+. pH up to 2.5 requires neutralisation.

Function

Operating Principle

Condensate fills tank, float switch activates pump. Safety overflow switch prevents alarms.

Overload Protection

Thermal switch stops motor on overload; automatic restart after cooling.

Operating conditions

Maximum head

Maximum head is 5.5 metres.

Maximum flow rate

Maximum flow rate is 600 l/h.

Temperatures

Ambient: +5 to +35°C. Liquid: Average +50°C.

Installation

Mechanical installation

Ensures free condensate flow, unobstructed cooling slots, and accessibility.

Electrical installation

Requires correct voltage, fuse, earth leakage breaker, and authorised electrician.

Conlift2 and Conlift2 pH+ Features

Incorporate PCB for alarm functions, enabling additional pump start or condensate source shutdown.

Startup

Initial Checks and Connection

Verify hose tightness and connect power supply as per regulations.

Function Check

Tests pump operation and safety overflow switch activation.

Maintenance and service

Maintenance

Annual checks of operation, connections, and tank cleaning recommended.

Service

Details procedures for Conlift1, Conlift2, and Conlift2 pH+ maintenance and component checks.

Contaminated lifting station or components

Procedure for handling and returning contaminated units for service.

Fault finding

Troubleshooting Guide

Lists common faults, their causes, and remedies for pump operation issues.

Accessories

Available Accessories

Lists optional accessories like pH+ box, extension hose, and alarm PCB with product numbers.

Technical data

Specifications

Details electrical, performance, physical, and operational specifications of the Conlift units.

Marking and approvals

Marking

Indicates CE marking for product conformity.

Approvals

Shows relevant safety and electrical approvals for the product.

Disposal

Environmental Disposal

Instructions for environmentally sound disposal of the product.

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