Xylem Lowara Micro PRESFIX Скачать руководство пользователя страница 1

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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 Willmot

t

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

Содержание Lowara Micro PRESFIX

Страница 1: ...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 ...

Страница 2: ...n sketch Fig 1 The Break tank is constructed to have a weir slot as required by the water bylaws to prevent back flow contamination if the inlet ball valve or NRV suffered a catastrophic failure the overflow may not be able to keep up with the inflow in which case excess water will be ejected through the weir slot in the side of the case and onto the plant room floor if this is not acceptable then...

Страница 3: ...position no pumps are allowed to run but low and high pressures are still monitored In hand pump 1 or 2 press the select button and the selected pump will run for 10 seconds and then switch to off Auto will need to be selected after this operation To lock the selected data put the switch on the back of the display to the locked position Set point description Delay start This set point is adjustabl...

Страница 4: ... 0 28 days and is used to run the pumps for a short period after the set time has elapsed running the pumps at regular intervals helps prevent pumps from seizing due to inactivity V Free contacts See appropriate drawing for Volt free contact availability Rating 1A 50v maximum Features Hours Run With the mode switch scroll through until P1 hours run is shown or P2 and the run hours will be displaye...

Страница 5: ...n its own Maintenance Routine check 3 monthly intervals 1 Check that the pump seal is not leaking 2 Check the pump is not seized and develops the correct pressure 3 Check that the pump operates without undue noise or vibration Routine check 6 monthly intervals 1 Check the break tank is clean and that the correct water level has been maintained 2 Check that all screws are tight on electrical compon...

Страница 6: ... and check for sediment build up or foreign objects Pump set frequently starting pressure falls to cut in point Newly installed system with large amount of air in pipe work Leaks in system pipe work Vessel pre charge incorrect Bleed system to remove air Repair leaks Isolate vessel and pre charge with Nitrogen as appropriate Break tank overflowing Non return valve letting by Replace pump or non ret...

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