AIREDALE DR Series User manual

Dry coolers
DR10-DR95
TECHNICAL MANUAL

DryCooler Condensers
2Dry Coolers Technical Manual 9308503 V2_06_2020
Customer Services
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 eff ective prevention of such risk it is necessary that the equipment is maintained in accordance with Airedale
recommendations.
ChillerGuard
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.
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 off ers 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:
UK Sales Enquiries + 44 (0) 113 239 1000 [email protected]
International Enquiries + 44 (0) 113 239 1000 [email protected]
Spares Hot Line + 44 (0) 113 238 7878 [email protected]
Airedale Service + 44 (0) 113 239 1000 [email protected]
Technical Support + 44 (0) 113 239 1000 [email protected]
Training Enquiries + 44 (0) 113 239 1000 [email protected]
For information, visit us at our web site: www.airedale.com
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.
©2018 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.

General Specication 4
Unit Identication 4
Standard Features 5
Electrical 5
Optional Extras - Energy Saving 6
Optional Extras – General 6
Installation data 7
Case Sizes 7
Ambient Temperature Sensor Location 8
Dimensions/Weights/Positioning 11
Horizontal case size 1 and 2 (1 fan) 12
Vertical case size 1 and 2 (1 fan) 13
Horizontal case size 3 (2 Fans) 14
Vertical case size 3 (2 Fans) 14
Horizontal case size 4 (3 Fans) 15
Vertical case size 4 (3 fans) 16
Vertical case size 5 (4 fans) 18
Unit Lifting 19
Operating Limits 20
Performance Data – Dry Coolers 20
Standard Dry Cooler Fan 20
Sound Data 22
Horizontal 23
Vertical 24
Mechanical Data 25
Waterside Pressure Drop 29
Electrical Data 30
Condensers
Dry Coolers
3
Introduction
Dry Coolers Technical Manual 9308503 V2_06_2020
Contents

Dry Cooler Condensers
4
Introduction
Dry Coolers Technical Manual 9308503 V2_06_2020
General Specication
Unit Identication
DR 12 H
DR Dry Cooler – Water / Glycol
10 - 95 Model Size (expressed as Total Heat Rejection in kW)
HHorizontal Air Discharge
VVertical Air Discharge
Introduction This range comprises of 14 air cooled dry cooler models with total heat rejection 10 – 95
kW
Custom designed for a small footprint, low sound level, slimline and aesthetically
pleasing appearance.
Available in either horizontal or vertical air discharge orientation, please specify at order.
All units are dispatched following extensive leak and pressure testing and carry a holding
charge of inert gas.
CE Directive Airedale certify that the equipment detailed in this manual conforms with the following
EC Directives:
Electromagnetic Compatibility Directive (EMC) 2014/30/EU
Machinery Directive (MD) 89/392/EEC in version 2006/42/EC
Pressure Equipment Directive (PED) 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.
Pressure Equipment Directive
Maximum and Minimum Operation Temperature (TS) and Pressure (PS)
Waterside
Allowable Temperature Range (TS), = Min -20°C* to Max 55°C**
Maximum Allowable Pressure (PS), = High Side 10 Barg
*Based on the waterside temperature in the unit off state in the lowest permitted ambient temperature.
**Based on the waterside temperature in the unit off state in the highest permitted ambient temperature.

Condensers
Dry Coolers
5
Introduction
Dry Coolers Technical Manual 9308503 V2_06_2020
Standard Features
Construction Unit cabinets shall be manufactured from galvanised sheet steel coated with epoxy
baked powder paint to provide a durable nish.
Standard unit colour shall be Light Grey (RAL 7035).
Dual position xing legs shall be supplied attached to the unit via captive bolts and
shake proof washers.
Horizontal Air
Discharge
As standard, unit legs are attached and delivered in the horizontal air discharge mode as
are the isolator and fan speed controller.
The legs attached to the top of the unit are for lifting and stacking and shall be removed
and stored safely if not required.
Fan & Motor Assembly
All Models
The external rotor AC motor shall allow the use of a low power output, single phase,
and speed controllable motor to power the fan.
The motor shall have inbuilt thermal overload protection and the assembly shall be
supplied complete with a nger guard for protection.
Shall be available in either horizontal or vertical air discharge orientation, please
specify at order.
Electrical All electrical components shall be rated for all year round outdoor use.
All wiring shall be colour coded and numbered for identication. All units shall be wired
in accordance with current local and European standards.
Main Electric Isolator A weatherproof mains isolator shall be tted to ensure complete unit isolation of the
electrical panel during adjustment and maintenance.
IMPORTANT
IMPORTANT
Only 2 units may be stacked together.
Vertical Air Discharge As standard, unit legs shall be attached and delivered in the horizontal air discharge
mode and shall be repositioned on site to offer vertical air discharge mode, refer to
Dimensions / Weights / Positioning, for details.
To ensure the unit isolator and fan speed controller are in the correct orientation for vertical air
discharge please specify at order.