Airedale Ultima Compact FreeCool 30kW - 450kW - Manual (Page 9)

Chillers ULTIMA COMPACT FREECOOL
Chillers
9
Technical Manual : 6259576 V1.2.0_02__2013
General Description
STANDARD FEATURES
Refrigeration 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

Valves for refrigeration head pressure control

Compressor minimum differential pressure protection

Pressure relief valve with integral rupture disc and indicator gauge URAC180 – 450,
(Optional to UCFC75 – 160)
Water / Glycol 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

Inlet water filter 20 mesh
Controls 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 specify at order.
For further details, refer to Controls , on page 16