Britannia Refresh Mini Bedienungsanleitung
Refresh Mini, Midi & Maxi
and
Refresh Ultima
Installation, Operation and
Maintenance Manual
Document No. F054
Issue: Final
REFRESH
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Overview
Page 2 of 70 Issue: Final
DISCLAIMER
Whilst every care is taken in ensuring the information contained herein is accurate, no responsibility implied,
or otherwise, is accepted for loss or damage incurred due to this information. It is the responsibility of the
reader to ensure the method used is suitable in accordance with relevant health & safety legislation for his
particular application and he should satisfy himself by conducting risk assessments and method statements
before proceeding with a trial or sample component.
The information in this publication may not be regarded as a guarantee for the proprieties of materials or
products dealt with or of their processing.
Copyright
© Britannia Kitchen Ventilation Ltd 2014. All rights reserved.
Any redistribution or reproduction of this manual, in part or entirely in any form is strictly prohibited.
Revision History
Revision No. Section(s) Revised Revision Date By Whom
Draft All 28th January 2014 AST
Final All 26th March 2014 AST
Britannia Kitchen Ventilation Ltd.
10Highdown Road
Sydenham Ind. Estate
Leamington Spa
Warwickshire
CV31 1XT
England
Phone 01926-463540
Fax 01926-463541
Email sales@kitchen ventilation.co.uk
Web www.kitchen-ventilation.co.uk
Registered in England 3062962
Registered office Whisby Road, Lincoln, LN6 3QZ
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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Overview
Contents
1. Overview 5
1.1 Refresh Mini, Midi & Maxi Units 6
1.2 Refresh Ultima Unit 7
1.2.1 Glossary of Terms 9
1.3 System Overview 10
1.3.1 Functional Description 10
2. Assembly, Installation and Commissioning 17
2.1 Introduction 17
2.1.1 Risk Assessment 17
2.1.2 Access and Offloading 17
2.1.3 Warnings and Cautions 17
2.1.4 Receipt 17
2.1.5 Storage and Preservation 18
2.2 Assembly 18
2.2.1 Preparation for Unpacking 18
2.2.2 Unpacking Procedures 18
2.2.3 Preparation for Assembly 18
2.2.4 Refresh Mini, Midi & Maxi Assembly Procedures 19
2.2.5 Refresh Ultima Assembly Procedures 19
2.3 Installation 20
2.3.1 Preparation for Installation 20
2.3.2 Refresh Mini, Midi & Maxi Assembly Procedures 22
2.3.3 Refresh Ultima Installation Procedures 23
2.4 Commissioning 25
2.4.1 Pre-commissioning Procedures 25
2.4.2 Commissioning Procedures 25
2.4.3 Post Commissioning Procedures 26
3. Operation 27
3.1 Introduction 27
3.1.1 Warnings and Cautions 27
3.1.2 Operation Overview 27
3.2 Operating Procedures 28
3.2.1 Starting-up 28
3.2.2 Increasing the Speed of the Fans 28
3.2.3 Decreasing the Speed of the Fans 29
3.2.4 Muting an Active Alarm 29
3.2.5 Accessing the Information Screens 29
3.2.6 Accessing the “Configuration” Screen from the “Date/Time” Screen 29
3.2.7 Filter Status Screen 29
3.2.8 Shutting-down 30
3.3 Resetting the Filter Operational Hours 31
4. Maintenance 33
4.1 Introduction 33
4.1.1 Warnings and Cautions 33
4.1.2 Equipment, Tools, Consumables and PPE 34
4.2 Preventive Maintenance 35
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4.2.1 Preventive Maintenance Overview 35
4.2.2 Preventive Maintenance Schedule 35
4.2.3 Preventive Maintenance Procedures 37
4.3 Fault Finding 44
4.3.1 Fault Finding Procedures 44
4.4 Corrective Maintenance 46
4.4.1 Maintenance Policy 46
4.4.2 Removal Procedures (Refresh Mini, Midi & Maxi) 46
4.4.3 Removal Procedures (Refresh Ultima) 50
4.4.4 Replacement Procedures (Refresh Mini, Midi & Maxi) 55
4.4.5 Replacement Procedures (Refresh Ultima) 60
4.4.6 Maintenance Checks and Visual Inspections 64
4.5 Spares 68
4.5.1 Spares Tables 68
4.5.2 Ordering Information 69
4.6 GA Diagrams 70
4.6.1 Refresh Mini, Midi & Maxi 70
4.6.2 Refresh Ultima 70
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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Overview
1. Overview
This installation, operation and maintenance manual covers:
Refresh Mini
Refresh Midi
Refresh Maxi
Refresh Ultima
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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Overview
1.1 Refresh Mini, Midi & Maxi Units
The Refresh Mini, Midi & Maxi units are similar in construction and filtration design as the Refresh
Ultima unit. The Mini, Midi & Maxi units vary in width and therefore the number of filters installed to
allow further items of equipment to be installed.
The following graphic provides a detailed overview of the unit. The Refresh ‘Midi’ is shown below
as a ‘typical’ unit:
Overview of Refresh Midi Unit (Mini & Maxi are similar)
Power Lead Fan Ramp-Up Control Knob on Access Panel
3 Sided Fan Enclosure
and Mounting Frame
with Plug and Socket
for Fan Control Wiring
Removable
Rear Panel
Fan Mounted on
Slide-out Fan Plate
HEPA Filters
Stainless Steel Baffle
Type Grease Filters
G4 Filters
Carbon Filters
Grease Collection
Drawer
Wet Chemical Fire
Suppression
(optional equipment)
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1.2 Refresh Ultima Unit
The following graphic provides a detailed overview of the unit:
Overview of Overview of Refresh Ultima Unit
Canopy
Double
Skinned
Support Leg
Stage 1
Baffle Filters Hinged access door to
filter stages
Four trolley wheels for
manoeuvring
Hinged access doors
to filter stages
Two adjustable feet for
stability
Services Tower
Hinged access door to
fan motor and controls
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Plug for connecting
the Services Tower
to electrical power
supply View of Stage 2
filters behind hinged
access door
View of Stage 5
filters behind hinged
access door
View of Stage 3 & 4
filters behind hinged
access door
Fan motor and
controls behind
hinged access door
Overview of Refresh Ultima Unit Services Tower
Refresh Control
Panel mounted to
the front of the
Services Tower
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1.2.1 Glossary of Terms
This section provides a glossary of terms used in the manual.
Term Definition
Refresh Unit Product name given to a range of stainless steel kitchen canopies
Refresh Control Panel Product name for the twin function intelligent controls package to
control the fan speed via operator buttons and to monitor the life-
time of each filtration stage
Fan A backward curved centrifugal fan housed in the Services Tower
to draw grease laden air through the filter stages
Canopy A rigid, self-supporting stainless steel structure which acts as a
point of extraction for grease laden kitchen air
Baffle Filter A high efficiency filter for removing entrained grease and moisture
from extract air
Grease Drainage Hole Allows drainage of entrained grease droplets and moisture which
fall from the grease filters
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1.3 System Overview
1.3.1 Functional Description
When cooking, hot, humid and grease laden air is extracted by the unit.
1.3.1.1 Refresh Mini, Midi & Maxi
A backward curved centrifugal fan, mounted on a slide-out fan plate at the top of the unit, draws
contaminated grease laden air from cooking appliances through four stages of filtration.
Note: The Refresh Maxi has 2 no fans installed.
The four stages of filtration are:
Stage 1: High efficiency Britstream baffle-type grease filter unit mounted in front of the stage 2
filters
Stage 2: G4 pleated filter panels mounted behind the baffle-type grease filters
Stage 3: HEPA filter panels
Stage 4: Carbon filters; loose granule, re-fillable to reduce odours
Refer to the following process flow which describes the four stages of filtration:
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