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Xylem Lowara Micro PRESFIX User Manual

Xylem Lowara Micro PRESFIX
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1
Micro PRESFIX
Pressurisation Set
Operating, Installation and Maintenance Instructions
EC Declaration of conformity
Xylem Water solutions UK Ltd declare that the Micro Presfix pressurisation set conforms to the:
Requirements of the Machinery Safety Directive 2006/42/EC.
Electromagnetic compatibility (EMC) Directive 2014/30/EU
Conforming to the UK Health & Safety Requirements 2008 No.1597
Water supply (Water fittings) regulations 1999
Code of practice for heating and chilled water systems BS7074 (parts 1, 2 & 3)
Signed: Position: Engineering manager Date: 13-01-2017
Clive Willmott
Introduction
This leaflet contains information to enable the safe installation and operation of the products mentioned above.
The following instructions must be read and understood by all persons responsible for the installation, operation
and maintenance of this product.
Warning Symbols
Safety instructions where noncompliance would affect safety.
Safety instructions where electrical hazard is involved.
Safety instructions where noncompliance could cause damage to the equipment.
Instruction for safe use
This product has been designed for the pressurisation of sealed heating, chilled water and
closed-condenser water systems to the operating conditions shown.
This product should not be installed until this leaflet has been studied carefully.
Handling, transportation and installation of this equipment should only take place with the proper use
of lifting equipment.
This product must be stored in a frost-free dry environment.
Noise Emissions
This equipment operates at a noise level lower than: 70dBA.
Protection degree: IP54
Ambient temperature: 4-30°C
Maximum system operating pressure: 7 bar
O&M Micro Presfix_Layout 1 29/03/2017 11:15 Page 1
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Xylem Lowara Micro PRESFIX Specifications

General IconGeneral
Operating Temperature0 °C to +40 °C
Power supplySingle-phase
Voltage230 V
Frequency50 Hz
ApplicationDomestic
Pumped liquidClean water
Liquid temperature range0 °C to +35 °C
Flow RateUp to 4.8 m³/h
Power0.75 kW
MaterialStainless steel
Connection Size1 inch

Summary

Warning Symbols

General Safety Warning

Safety instructions where noncompliance would affect safety.

Electrical Hazard Warning

Safety instructions where electrical hazard is involved.

Equipment Damage Warning

Safety instructions where noncompliance could cause damage to the equipment.

Instruction for Safe Use

Installation

General Installation Guidance

Check for transit damage. Site in a dry, clean, well-ventilated area with good access.

Electrical Connections

Use adequate cable, follow wiring drawings, ensure proper earthing.

Water Supply and System Connection

Connect to water supply, extend overflow pipe, connect discharge port to expansion vessel.

Commissioning

System Filling Procedure

Fill system via quick fill loop, comply with bylaws, remove loop after filling. Never use unit to fill.

Water Supply and Pump Start

Turn on break tank water supply. Do not introduce crystals. Pumps self-prime when started.

System Set Points

Accessing and Adjusting Set Points

Access and adjust set points via front panel interface; requires unlocking PCB switch.

Mode Operations

Key Features and Fault Handling

Transducer Failure Handling

Sensor error displayed, high/low pressure contacts operate, boiler circuit switches off.

Operation

Pump Failure and Reset

Maintenance Schedule

Fault Finding Guide

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