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GENERAL CAtALoGuE 2013 - Carrier Portugal

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WATER-COOLED SCREW-<br />

COMPRESSOR LIQUID CHILLERS<br />

Options<br />

• Low-temperature brine solution<br />

• Unit supplied in two assembled<br />

parts<br />

• 460-3-60 and 380-3-60 power<br />

supply<br />

• Evaporator pump and condenser<br />

pump electrical power/control circuit<br />

• Compressor suction valve<br />

• Evaporator or condenser with one<br />

pass less<br />

• Evaporator or condenser maximum<br />

water-side operating pressure of 21<br />

bar<br />

• JBus/ModBus, BacNet, LON gateways<br />

• Electronic compressor starter<br />

(30HXC 200-375)<br />

• Electrical protection to IP44C<br />

• High condensing temperature unit<br />

and non-reversible heat pump<br />

• Reversed evaporator or condenser<br />

water inlet/ outlet<br />

• Tropicalised control box<br />

• Various condensing temperature<br />

options<br />

• Dual discharge valve installed with<br />

three-way valve<br />

• RS 485 communication interface<br />

with open protocol<br />

• Code compliance for Switzerland<br />

and Russia<br />

• Water connection kit for welded<br />

or screwed evaporator and/or<br />

condenser connections<br />

Features<br />

• Seventeen sizes with nominal cooling capacities from 287 to 1302 kW.<br />

• Pro-Dialog Plus control to optimise the efficiency of the refrigerant circuit.<br />

• Ozone-friendly HFC-134a refrigerant, proven, non-toxic, non-flammable.<br />

• Equipped with screw compressors for extremely quiet operation and low<br />

vibration levels.<br />

• Control is fully automatic and includes auto diagnostics.<br />

• Two independent refrigerant circuits.<br />

• Multiple compressor concept.<br />

• Series star/delta starter, limiting the start-up current on (30HXC 080-190).<br />

• Easy installation - compact design, fits through a standard door opening.<br />

Supplied as a complete package for easy installation. No extra controls, timers,<br />

starters or other items to install.<br />

• Single power point (30HXC 080 to 190), and one power point per circuit<br />

(30HXC 200 to 375).<br />

• Simple to service: mechanically cleanable evaporator and condenser, twin<br />

screw compressors with minimum routine service.<br />

• Very low temperature option available for part of the range, allows<br />

evaporator leaving water temperatures down to -10ºC.<br />

Water cooled mono circuit<br />

Pro-Dialog Plus operator interface<br />

54<br />

A<br />

A<br />

Air conditioning<br />

30HXC<br />

<strong>Carrier</strong> twin-screw compressor

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