Airedale UWC 300 [7/42] Standard features

Chillers ULTIMA WATER COOLED

Chillers

Installation & Maintenance : 903-126 IM E 10/04/A

General Description

STANDARD FEATURES

Each refrigeration circuit is supplied with the following:

• Full operating charge of R407C

• Electronic expansion valve

• Liquid line ball valve

• Discharge line ball valve

• Large capacity filter drier with replaceable cores

• Liquid line sight glass

• Low pressure switch with manual reset via microprocessor controller

• High pressure switch with manual reset

• Suction and liquid pressure transducers

Refrigeration

• Pressure relief valve with integral rupture disc and indicator gauge

As standard, the

microprocessor controller can provide 4 or 6 stages of

capacity control, dependent upon model type.

Optionally, the controller is designed to provide capabilities for;

• Building Management Systems

• Networking

• Sequencing (Master/Slave and Run/Standby)

to meet all your system requirements, please confirm at time of order.

Controls

Unit initial set up details can be found in the Controls section.

Dedicated electrical power and controls panels are situated at the end of the unit

and contain:

• Separate, fully accessible, controls compartment, allowing adjustment of control

set points whilst the unit is operational

• Circuit breakers for protection of all major unit components

• Separate, permanent supply for controls/trace heating, 230v/50Hz/1ph

• The electrical power and control panel is wired to the latest European standards

and codes of practice

Electrical

• Separate door locking electrical isolation for each mains compartment

OPTIONAL EXTRAS – ENERGY SAVING

Power Factor Correction

When applied to the motors of each compressor, the compressor power factor is

controlled to a minimum operating value of 0.95 at the full operating capacity. This

satisfies many supply authorities that may impose surcharges on equipment with power

factor less than 0.95.