Xylem Lowara Presfix Beta MK2 Operating And Maintenance Instructions Manual
Xylem Lowara Presfix Beta MK2 Operating And Maintenance Instructions Manual

Xylem Lowara Presfix Beta MK2 Operating And Maintenance Instructions Manual

Dual system pressurisation set

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Dual System Pressurisation set
Operating and Maintenance Instructions
EC Declaration of conformity
Xylem Water Solutions UK Limited declare that the Presfix pressurisation set conforms to the requirements of
the Machinery Safety Directive
Electromagnetic Compatibility (EMC) Directive
Conforming to the UK Health & Safety Requirements
Water supply (Water fittings) regulations
Code of practice for heating and chilled water systems
Signed:
t
Clive Willmot

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 instruction where electrical hazard is involved.
Safety instruction 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
Protection degree
Ambient temperature
Maximum system operating pressure:
PRESFIX Beta MK2
Position: Engineering manager
2006/42/EC.
2014/30/EU
2008 No.1597
1999
BS7074 (parts 1, 2 & 3)
Date: 20-04-2016 Revision B
70dBA.
IP54
4-30°C
2.8 & 5.5 units (10 bar) 8.0 units (13 bar)
1

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Summary of Contents for Xylem Lowara Presfix Beta MK2

  • Page 1 PRESFIX Beta MK2 Dual System Pressurisation set Operating and Maintenance Instructions EC Declaration of conformity Xylem Water Solutions UK Limited declare that the 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 &...
  • Page 2 Installation The Presfix Beta unit is despatched mounted on a wooden pallet and covered in a protective film, it is recom- mended that the unit be retained in the protective packaging until the product is to be installed. The unit will arrive pre-packaged and wired ready for installation.
  • Page 3 Commissioning 1. Fill the system with water via the quick fill filling loop to the system fill pressure, this filling loop must comply with local water authority bylaws and contain double check valves. The filling loop must be completely removed after the system has been filled. The pressurisation unit must never be used to fill the system.
  • Page 4 Auto Each system should be set to Auto once all the set points have been entered. This is the normal operating position for the set and each display will show the system pressure for that system. The off position performs two functions, if the main pump has failed and the duty standby pump has been activated, the duty pump will be locked out until the system is reset by switching the selector to the off position and then back to auto.
  • Page 5 Boiler/chiller interlock A volt free normally closed circuit is provided as a boiler/chiller interlock. The circuit has 1 high pressure contact and 1 low pressure contact either of which, when operating, will open the boiler/chiller circuit. If the high pressure contact is not required with chiller applications it can be omitted. See product wiring drawing. Operation Ensure MCBs in the electrical section are at the on position, switch selector switch on front panel to Auto.
  • Page 6 Typical Heating + chilled water sealed systems Intermediate vessel only required on MTHW systems Fig 1...
  • Page 7 Fault finding guide Fault Possible Cause Remedy Power supply failure Reinstate incoming power supply Control panel fuse blown, Replace power supply fuse Pump fails to start MCB tripped Reset MCB Remote inhibit active Turn remote inhibit off Low water level Reinstate water supply Set point set too high Lower set point...
  • Page 8 Axminster, Devon EX13 5HU - UK Tel: 01297 630230 Fax: 01297 630270 lowaraukenquiries@xyleminc.com www.lowara.co.uk www.xyleminc.com Lowara is a trademark of Xylem Inc. or one of its subsidiaries. © 2016 Xylem, Inc. Lowara reserve the right to make modifications without prior notice. Code UKLIT0123 P04/16...

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