AIREDALE EasiCool Manuale utente
EMS52086FM00542
EasiCool™ EZRE
Technical Manual
Downow and Upow - Precision Air Conditioning
Direct Expansion
6kW - 60kW
EasiCool™ Precision Air Conditioning
2
Introduction
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Warranty, Commissioning & Maintenance
As standard, Airedale guarantees all non consumable parts only for a period of 12 months, variations tailored to suit
product and application are also available; please contact Airedale for full terms and details.
To further protect your investment in Airedale products, Airedale can provide full commissioning services,
comprehensive maintenance packages and service cover 24 hours a day, 365 days a year (UK mainland).
For a free quotation contact Airedale or your local Sales Engineer.
All Airedale products are designed in accordance with EU Directives regarding prevention of build up of water,
associated with the risk of contaminants such as Legionella.
For effective prevention of such risk it is necessary that the equipment is maintained in accordance with Airedale
recommendations.
SafeCool
In addition to commissioning, a 24 hour, 7 days a week on-call service is available throughout the year to UK mainland
sites. This service will enable customers to contact a duty engineer outside normal working hours and receive
assistance over the telephone. The duty engineer can, if necessary, attend site, usually within 24 hours or less.
Full details will be forwarded on acceptance of the maintenance agreement.
Airedale Ltd endeavours to ensure that the information in this document is correct and fairly stated, but none of the
statements are to be relied upon as a statement or representation of fact. Airedale Ltd does not accept liability for any
error or omission, or for any reliance placed on the information contained in this document. The development of Airedale
products and services is continuous and the information in this document may not be up to date. It is important to check
the current position with Airedale Ltd at the address stated. This document is not part of a contract or licence unless
expressly agreed. No part of this document may be reproduced or transmitted in any form or by any means, electronic
or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose other
than the purchaser’s personal use, without the express written permission of Airedale Ltd.
© 2016 Airedale International Air Conditioning Limited. All rights reserved. Printed in the UK.
Warranty cover is not a substitute for maintenance. Warranty cover is conditional to maintenance
being carried out in accordance with the recommendations provided during the warranty period.
Failure to have the maintenance procedures carried out will invalidate the warranty and any
liabilities by Airedale International Air Conditioning Ltd.
Spares
A spares list for 1, 3 and 5 years will be supplied with every unit and is also available from our Spares department on
request.
Training
As well as our comprehensive range of products, Airedale offers a modular range of Refrigeration and Air Conditioning
Training courses, for further information please contact Airedale.
Customer Services
For further assistance, please e-mail: [email protected] or telephone:
For information, visit us at our Web Site: www.airedale.com
CAUTION
EasiCool™Precision Air Conditioning
3
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Introduction
Health and Safety
IMPORTANT
The information contained in this manual is critical to the correct operation and maintenance of the unit and should be
read by all persons responsible for the installation, commissioning and maintenance of the Airedale unit.
Safety
The equipment has been designed and manufactured to meet international safety standards but, like any mechanical/
electrical equipment, care must be taken if you are to obtain the best results.
When working with any air conditioning units ensure that the electrical isolator is switched off prior
to servicing or repair work, and that there is no power to any part of the equipment.
Also ensure that there are no other power feeds to the unit such as re alarm circuits, BMS circuits
etc.
Electrical installation commissioning and maintenance work on this equipment should be undertaken by competent and
trained personnel in accordance with local relevant standards and codes of practice.
The refrigerant used in this range of products is classied under the COSHH regulations as an irritant, with set
Workplace Exposure Levels (WEL) for consideration if this plant is installed in conned or poorly ventilated areas.
A full hazard data sheet in accordance with COSHH regulations is available should this be required.
Protective Personal Equipment
Airedale recommends that personal protective equipment is used whilst installing, maintaining and commissioning
equipment.
Refrigerant Warning
The Airedale Easicool unit uses R410A refrigerant which requires careful attention to proper storage and handling
procedures.
Use only manifold gauge sets designed for use with R410A refrigerant. Use only refrigerant recovery units and cylinders
designed for high pressure refrigerants.
R410A must only be charged in the liquid state to ensure correct blend makeup.
The refrigerant must be stored in a clean, dry area away from sunlight. The refrigerant must never be stored above
50°C.
Global Warming Potential
R410A = 1900
Manual Handling
Some operations when servicing or maintaining the unit may require additional assistance with regard to manual
handling. This requirement is down to the discretion of the engineer.
Remember do not perform a lift that exceeds your ability.
EN378-1 :2008 (100 year life)
CAUTION
EasiCool™ Precision Air Conditioning
4
Introduction
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Environmental Considerations
Freeze Protection
Airedale recommends the following actions to help protect the unit during low temperature operation. This also includes
the units subject to low ambient temperatures.
Units with supply water temperatures below +5°C
Glycol is recommended when a supply water temperature of +5°C or below is required or when static water can be
exposed to freezing temperatures.
Units subject to ambient temperatures lower than 0°C
Glycol of an appropriate concentration(1) is used within the system to ensure adequate protection. Please ensure that the
concentration is capable of protection at least 3°C lower than ambient.
Water / glycol solution is constantly circulated through all waterside pipe work and coils to avoid static water from
freezing.
Ensure that pumps are started and running even during shut down periods, when the ambient is within 3°C of the
solution freeze point (1) (i.e. if the solution freezes at 0°C, the pump must be operating at 3°C ambient).
(1) Refer to your glycol supplier for details
Environmental Policy
It is our policy to:
• Take a proactive approach to resolve environmental issues and ensure compliance with regulatory requirements.
• Train personnel in sound environmental practices.
• Pursue opportunities to conserve resources, prevent pollution and eliminate waste.
• Manufacture products in a responsible manner with minimum impact on the environment.
• Reduce our use of chemicals and minimise their release to the environment.
• Measure, control and verify environmental performance through internal and external audits.
• Continually improve our environmental performance.
CE Directive
Airedale certify that the equipment detailed in this manual conforms with the following EC Directives:
Electromagnetic Compatibility Directive (EMC) 2014/30/EU
Low Voltage Directive (LVD) 2014/35/EU
Machinery Directive (MD) 89/392/EEC version 2006/42/EC
Pressure Equipment Directive (PED) 97/23/EC
Article 13 2014/68/EU
To comply with these directives appropriate national & harmonised standards have been applied. These are listed on the
Declaration of Conformity, supplied with each product.
EasiCool™Precision Air Conditioning
Warranty, Commissioning & Maintenance 2
Customer Services 2
Health and Safety 3
Manual Handling 3
Environmental Considerations 4
Freeze Protection 4
Environmental Policy 4
Speciers Guide 7
Nomenclature 7
Introduction 7
Unit Overview 8
Construction 9
Refrigeration Components 10
Airow Components 15
Electrical Components 18
Heating and Humidication 19
Humidication 21
Controls 22
General Features 27
Sound Measurement Method 30
Dimensional & Installation Data 32
Dimensions 32
Positioning 37
Minimum Unit Clearances 38
Weights 40
Refrigeration Pipework 42
Refrigerant Charging Guide 44
Packaged Unit Pre-Charged Refrigerant Volumes 45
Oil Charging Guide 48
Refrigerant Pipesizing Guide - X Type Downow 49
Ethylene Glycol Correction Factors - WX Models 51
Water Detection Tape Installation 52
System Pipework Schematic 54
Interconnecting Wiring 56
pLAN Termination 57
Contents
5
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Introduction
EasiCool™ Precision Air Conditioning
Technical Data 58
Technical Data Downow Units X Type 59
Performance Data 59
Noise Data 63
DF6X - DF10X 66
DF13X - DF17X 68
DF20X2 - DF26X2 70
DF28X - DF31X 72
DF35X - DF45X 74
DF50X2 - DF60X2 76
Hydronic Data Low Pressure Hot Water 78
Technical Data Upow Units X Type 80
Performance Data Standard Condenser 80
Noise Data 84
V6X - V10X 86
V13X - V17X 88
V20X2 - V26X2 90
V28X- V31X2 92
V35X - V45X2 94
V50X2 - V60X2 96
Hydronic Data Low Pressure Hot Water 98
Technical Data Downow Units WX Type 100
Performance Data 100
Noise Data 102
DF6WX - DF10WX 104
DF13WX - DF17WX 106
DF20WX2 - DF26WX2 108
DF28WX - DF31WX 110
DF35WX - DF45WX 112
DF50WX2 - DF60WX2 114
Hydronic Data Condenser Waterside Pressure Drop 116
Hydronic Data Low Pressure Hot Water 117
Technical Data Upow Units WX Type 118
Performance Data 118
Noise Data 120
V6WX - V10WX 122
V13WX - V17WX 124
V20WX2 - V26WX2 126
V28WX - V31WX2 128
V35WX - V45WX 130
V50WX2 - V60WX2 132
Hydronic Data Condenser Waterside Pressure Drop 134
Hydronic Data Low Pressure Hot Water 135
Fan Data 136
Calculating Total Static Pressure 136
Fan Speed Data 137
EZRE Direct Expansion 400V 50Hz (-0) 138
After Sales 145
6
Introduction
EasiCool Technical Manual 7525389 V1.8.0_05_2016
EasiCool™Precision Air Conditioning
Nomenclature
Speciers Guide
DF
V
DF 60 X2 EZRE 0
60
X
CW
WX
DX Air Cooled
DX Water Cooled
Chilled Water Cooling
400V / 3PH / N / 50Hz
220V / 3PH / 60Hz
0
2
380V / 3PH / N / 60Hz
1
Downflow
Upflow
Nominal Cooling Capacity kW
EZE EasiCool R407C
EZRE EasiCool R410A
Example
Introduction
Designed to provide environmental Precision Air Conditioning for applications such as Telecommunication Facilities,
Computer Rooms, Data Centres, Clean Rooms and laboratories.
The EasiCool range comprises of:-
38 models as direct expansion air cooled and 38 models as water cooled (Covered in this document) (-0 range).
34 models as Single circuit chilled water. (Seperate document).(-0, -1 and -2 range)
23 Models as direct expansion air cooled and 23 models as water cooled (Seperate document ) (-1 range)
36 Models as direct expansion air cooled and 36 models as water cooled (Seperate document ) (-2 range)
Full function units provide full control of temperature, humidication, de-humidication, heating and ltration.
The modular design of the EasiCool allows grouping of differing model types and capacities to be installed side by side.
The exibility of this type of installation provides for multi-circuit functionality.
A full range of air cooled condensers is available with the direct expansion indoor units to provide a matched system
with optional performance upgrade.
Also available is a full range of Airedale water chillers to complement the chilled water indoor units.
The range has been designed and optimised for operation with ozone benign refrigerant R410A.
7
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Introduction
EasiCool™ Precision Air Conditioning
8
Introduction
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Fan Motor Assembly
Cooling Coil
Scroll Compressors
Control Panel
Humidifier
Air Filters
Unit Overview
Fan Motor Assembly
Cooling Coil
Scroll Compressors
Control Panel
Humidifier
Air Filters
Heating
●Electric
●Low Pressure Hot Water
●Hot Gas
Upow
Downow
EasiCool™Precision Air Conditioning
Construction
The cabinet comprises an black painted aluminium frame with black aluminium corners and removable galvanised sheet
steel panels. The unit panels are manufactured from galvanised sheet steel coated with epoxy baked powder paint to
provide a durable nish.
Standard unit colour is Black Grey (RAL 7021). Optional Light Grey (RAL 7035)
Cabinets are lined internally with re resistant foam (UL94 V0) thermal and acoustic insulation:
• 30mm deep for removable panels
• 12mm deep for remaining internal surfaces
The cabinet doors are full height, hinged and key lock secured. Hinge arrangement allows exible door opening/removal
for improved access.
Rubberised door seals reduce sound breakout and eradicate leakage.
Simple bolt on type doors are available as a cost effective option.
Unit design incorporates a series of M6 xings to the top and bottom face for connecting to customer ductwork, please
contact Airedale for further details.
Sizes 6 - 26
Dependent upon model type, components such as the expansion valve, compressor, humidier and sight glass are
contained within an acoustically lined enclosure to provide both ease of maintenance and to minimise sound emission.
9
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Introduction
EasiCool™ Precision Air Conditioning
System Conguration
Downow Upow
X Type WX Type X Type WX Type
Refrigeration
Efcient Fixed Speed Scroll Compressor ●●●●
Evaporator Coil ●●●●
Refrigeration Sight Glass ●●●●
Oil Separator ○○○○
Liquid Line Solenoid Valve ○○○○
Refrigerant Pump down ○○○○
Hot Gas Reheat ○–○–
Suction Throttle Valve ○○○○
BPHE Condenser ○●○●
Thermostatic Expansion Valves (TEV) ●●●●
Electronic expansion Valves (EEV) ○○○○
● Standard Feature ○ Optional Feature – Not Available
Evaporator
Large surface area coil(s) ideally positioned to optimise airow and heat transfer, manufactured from refrigeration quality
copper tube with mechanically bonded aluminium ns.
The copper tube is internally ried for improved heat transfer.
Fins are coated with a non-stick acrylic lm (hydrophilic) which provides additional corrosion protection and efcient
surface water removal for improved performance.
The cooling coil is mounted over a full width stainless steel condensate tray.
Factory pressure tested to 45 Barg.
X Models Only Sweat copper pipe for brazed connection as standard.
Refrigeration Components
10
Introduction
EasiCool Technical Manual 7525389 V1.8.0_05_2016
Electronic Expansion Valve Scroll Compressor
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