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Chillers Catalogue - Ctarefrigeracion.com

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RAK.C<br />

AIR COOLED WATER CHILLER<br />

R407C Ecological gas<br />

Solutions<br />

B Base<br />

I Integrata<br />

Versions<br />

ST Standard<br />

LN Low noise<br />

Equipment<br />

AS standard equipment<br />

DS Desuperheater<br />

HR Total heat recovery<br />

BT Fluid low temperature (down to -8°C)<br />

Main features<br />

Housing<br />

Base made of painted galvanised steel; panels made of galvanised<br />

steel externally coated with plastic (PVC) film and mounted on aluminium<br />

profiles to ensure total weathering resistance. Panels are<br />

internally lined to reduce the noise level (LN Accessories only).<br />

Compressor<br />

HERMETIC SCROLL type, <strong>com</strong>plete with thermal protection.<br />

Antivibration mountings and oil charge are standard.<br />

Fan<br />

Centrifugal type with two suctions, coupled to the three phases<br />

motor by V-belt and pulley. The fans have forward curved blades in<br />

order to get the best performances in terms of efficiency and noise<br />

level.<br />

Air heat exchanger<br />

Finned coil made with copper pipes and aluminium fins offering a<br />

high exchange surface area.<br />

Water heat exchanger<br />

INTEGRATA solution: NOFROST type: copper tubes in a plastic pipe<br />

fitted into a steel tank with shell covered with closed-cell neoprene<br />

anti-condensate material; <strong>com</strong>plete with water differential pressure<br />

switch. BASE solution: plate-type made of AISI 316 steel <strong>com</strong>plete<br />

with water differential pressure switch. Shell covered with closedcell<br />

neoprene anti-condensate material.<br />

Electrical board<br />

Switchboard to standards IEC 204-1/EN60204-1, <strong>com</strong>plete with contactor<br />

and protection for <strong>com</strong>pressor and fans. Main isolator and<br />

door interlock safety device.<br />

Control<br />

The microprocessor controls the unit capacity by timing the <strong>com</strong>pressors<br />

and checks the operating alarms with the possibility to<br />

connect to BMS.<br />

Refrigerant circuit<br />

Filter dryer, moisture-liquid sight glass, solenoid valve, intercepting<br />

valve on the liquid line, thermostatic expansion valve with external<br />

equaliser, HP and LP pressure switches.<br />

Water circuit<br />

(Integrata): Automatic charging cock with gauge, safety valve,<br />

expansion tank, water pump, water tank.<br />

Accessories<br />

Vibration isolation mountings.<br />

Low ambient device by motorised dampers<br />

Crankcase electrical heater<br />

Compressor intercepting valves<br />

Remote control panel<br />

Max and min voltage relay.<br />

Sequence phases relay.<br />

Evaporator electrical heater(only base version)<br />

42<br />

www.euroklimat.it<br />

Refrigerant gas HP and LP pressure gauges<br />

Total heat recovery - 100% (HR equipments)<br />

Electromechanical flow switch<br />

Pumping group, 1 pump.<br />

Additional stand-by water pump<br />

Automatic water filling valve (closed circuit)<br />

Air flow separate <strong>com</strong>pressor room(standard)<br />

Coil protection grille.(standard)

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