AIREDALE ULTIMA 2000 Uživatelský manuál stáhnout pdf (Strana 6)

Chillers

ULTIMA 2000

Chillers

Installation & Maintenance Manual : 903-099 IM E 05/00

General Description

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UNIT IDENTIFICATION

AIR COOLED SCREW LIQUID CHILLER

USC Ultima Screw Chiller

250 - 650

Model Size (Expressed as Nominal Cooling in kW)

D-

Dual Circuit - Standard Chiller

DQ- Dual Circuit - Quiet Chiller

DSQ-

Dual Circuit - Super Quiet Chiller

8, 12 or 16

Number of Fans

Example USC300D-8

INTRODUCTION

The Airedale range of Ultima air cooled liquid chillers covers the nominal capacity range

250kW to 650kW in 27 model sizes including Standard D, Quiet DQ and

Super Quiet DSQ variations.

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Attention has been placed on maximising the unit’s performance while keeping the sound

levels and footprint to an absolute minimum.

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REFRIGERANTS

The range has been designed and optimised for operation with the ozone benign

R407C refrigerant.

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The Standard Ultima chiller comes complete with:

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• Head Pressure Control - fans are individually switched by a Microprocessor

STANDARD CHILLER

- D

• Evaporator Trace Heating

• Quiet Fans

• Single Screw Compressors

• Shell & Tube Evaporator

• Dual Independent Refrigeration Circuits

With the benefits of the Standard range, the Quiet chiller is supplied with an acoustic

package, which incorporates:

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QUIET CHILLER

- DQ

• Acoustically lined compressor enclosures

• 3 phase Head Pressure Controllers, which modulate the fan speeds collectively to

maintain a constant condensing pressure with minimum fan speeds.

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:

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• Acoustically lined compressor enclosures

• Reduced speed 680 rpm condenser fans

• 3 phase Head Pressure Controllers, which modulate the fan speeds collectively to

maintain a constant condensing pressure with minimum fan speeds.

• The use of enhanced performance condenser coils on the DSQ Quiet Package

enables a chiller capacity similar to the D and DQ models to be maintained.

1 2 3 4 5 6 7 8 9 10 11 ... 35 36

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