ULTIMA REMOTE AIR COOLED
Chillers
6
Chillers
Installation & Maintenance : 6259535 IM E 02/2013
General Description
UNIT IDENTIFICATION
REMOTE AIR COOLED LIQUID CHILLER
URAC
Ultima Remote Air Cooled Chiller
75
– 450
Model Size (Expressed as Nominal Cooling in kW)
D
D
ouble Circuit - Standard Chiller
DQ
D
ouble Circuit -
Q
uiet Chiller
DSQ
D
ouble Circuit -
S
uper
Q
uiet Chiller
Example
URAC250DQ
INTRODUCTION
The Airedale range of Ultima Remote Air 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 Air Cooled Condensers is available to complement the Remote Air
Cooled Liquid Chiller, please refer to Airedale.
CE DIRECTIVE
Airedale certify that the equipment detailed in this manual conforms with the following
EC Directives:
Electromagnetic Compatibility Directive (EMC)
89/336/EEC
Low Voltage Directive (LVD)
73/23/EEC
Machinery Directive (MD)
89/392/EEC in the version 98/37/EC
Pressure Equipment Directive (PED)
97/23/EC
To comply with these directives appropriate national & harmonised standards have been
applied. These are listed on the Declaration of Conformity, supplied with each product.
REFRIGERANTS
The range has been designed and optimised for operation with the ozone benign
R407C refrigerant.
STANDARD FEATURES
Standard Chiller
- D
The Standard Ultima Air Cooled Remote Chiller comes complete with:
Microprocessor Control
Evaporator Pad Heater
Multiple Scroll Compressors
Plate Evaporator
Connections to Remote Condenser
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
