Airedale UCFC 160 [7/46] Chillers ultima compact freecool

Airedale UCFC 125 [7/46] Chillers ultima compact freecool
Chillers ULTIMA COMPACT FREECOOL
Chillers
Installation & Maintenance : 903-132 TM E 06/05/A
7
General Description
STANDARD FEATURES
With all the features of the Standard range, the Quiet and Super Quiet chillers are
available with additional features:
Quiet Chiller - DQ
Fan speed reduced to 750 rpm
Fan speed reduced to 570 rpm
Acoustically lined compressor compartment
Super Quiet Chiller -
DSQ
Enhanced Refrigeration Condenser Coils
Each refrigeration circuit is supplied with the following:
Full operating charge of R407C
Electronic Expansion Valve (EEV)
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
Pressure relief valve with integral rupture disc and indicator gauge, complying with
Pressure Regulations
Valves for refrigeration head pressure control
Refrigeration
Compressor minimum differential pressure protection
Each water glycol circuit is supplied with the following:
Water Flow switch
3 way modulating valve to control free-cooling operation
Strategically placed automatic air vents
Strategically placed drain valves
Butterfly shut off valve for Free-cooling coil isolation to allow for maintenance
Pressure transducers across evaporator to monitor water pressure drop
Water / Glycol
Inlet water filter 20 mesh
As standard, the
microprocessor controller can provide 2, 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 weatherproof electrical power and controls panels are situated at the end of
the unit and contain:
Emergency Stop fitted to controls compartment door
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
Electrical
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.
Mains supply is 3 phase and a neutral is not required. Refer to Interconnecting Wiring.

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