Airedale LogiCool FreeCool 40kW - Manual (Page 7)

Chillers LOGICOOL
™
Chillers
7
Technical Manual : 6521355 V1.8.0 07/2014
General Description
STANDARD FEATURES - GENERAL
Refrigeration Each refrigeration circuit is supplied with the following:

Full operating charge of R410A

Electronic Expansion Valve (EEV)

Liquid line ball valve

Discharge line ball valve

Liquid line filter drier

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
Water / Glycol Each water glycol circuit is supplied with the following:

3 way modulating valve to control free-cooling operation

Strategically placed automatic air vents

Strategically placed drain valves

Ball valve(s) for Free-cooling coil isolation to allow for maintenance

Pressure transducer(s) across evaporator to monitor water pressure drop

Inlet water filter ball valve 20 mesh
Flushing Bypass Kit
(Standard) Comprises:

Shut off valves
Factory fitted to protect the evaporator from clogging by sediment and to enable the
system to be purged before running.
Controls As standard, the microprocessor controller can provide modulating
capacity control.
Optionally, the controller is designed to provide capabilities for;

Building Management Systems
to meet all your system requirements, please confirm at time of order.
Evaporator Differential
Pressure Sensor Facilitates low flow limiting and pressure drop monitoring via the microprocessor.
Measures the evaporator pressure drop which in turn enables the evaporator flow rate to
be calculated.