Airedale Ultima Water Cooled 75kW - 450kW - Manual (Page 7)

Chillers ULTIMA WATER COOLED
Chillers
7
Technical Manual : Part No 6259477 V1.4.0_07_2014
General Description
UNIT IDENTIFICATION
WATER COOLED LIQUID CHILLER
UWC
Ultima Water Cooled Chiller
75 – 450 Model Size (Expressed as Nominal Cooling in kW)
D Double Circuit - Standard Chiller
DQ Double Circuit - Quiet Chiller
DSQ Double Circuit - Super Quiet Chiller
Example UWC250DQ
INTRODUCTION The Airedale range of Ultima Water Cooled liquid chillers covers the nominal capacity
range 75kW to 450kW in 45 model sizes incorporating Standard D, Quiet DQ and
Super Quiet DSQ variations.
Attention has been placed on maximising the unit’s performance while keeping the sound
and vibration levels and footprint to an absolute minimum.
The range has been specifically designed for plant room installations.
A matching range of Dry Cooler units is available to complement the Water Cooled Liquid
Chiller, please refer to the
Dry Cooler Specification .
REFRIGERANTS The range has been designed and optimised for operation with the ozone benign
R407C refrigerant.
STANDARD FEATURES
Standard Chiller
- D The Standard Ultima Water Cooled Chiller comes complete with:

Microprocessor Control

Evaporator Pad Heater

Multiple Scroll Compressors

Plate Evaporator

Plate Condenser(s)

Dual Independent Refrigeration Circuits

Electronic Expansion Valve(s)

Connections for External Trace Heating (240V/500W available)

A set of 4 M24 collared eye bolts to BS4278
Quiet Chiller
- DQ With the benefits of the Standard range, the Quiet chiller is supplied with an acoustic
package, which incorporates:

Compressor enclosure lined with Acoustic material
Super Quiet Chiller
- DSQ With the benefits of the Standard range, the Super Quiet chiller is supplied with a Quiet
acoustic package, which incorporates the following to become one of the quietest
chillers available:

Compressor enclosure lined with 40mm Acoustic material