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UNIT DESCRIPTION
HCF/HRCF series packaged air cooled water chiller is designed for outdoor installation and for both residential and commercial applications with the ability of 24 hours/day operation. The unit is factory tested and on site installation can be completed only by connecting with the water and power supply.
The range is made up of 11 models. Both cooling only and heat pump are available, with capacity from 5 to 50 kW in the following versions:
HCF Cooling only 5-7-8.5-10-12.5-15-20-25-30-40-50
HRCF Heat pump 5-7-8.5-10-12.5-15-20-25-30-40-50

FEATURES
STRUCTURE
Panels and base frame are made of sheet metal treated with polyester powder coating to ensure total resistance to atmospheric agents.

HERMETIC COMPRESSORS
Single phase rotary compressor (mod. 5 only) and scroll compressor (mod.7÷10), and 3-phase scroll compressor (mod.7-50), with thermal overload cut-out and crankcase heater mounted on rubber vibration isolators.

AXIAL FANS
External rotor type axial fans, equipped with single phase direct drive motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille.

EVAPORATOR
Immersion tube in tube copper heat exchanger, with cylindrical stainless steel thermal-inertial water storage tank.

CONDENSER
High efficiency internal screw threads red copper tube and hydrophilic aluminum fins, provided with protective grille.



REFRIGERANT CIRCUIT
Copper tube connection with charge valve, filter drier, sight glass, capillary (5-7-8.5kW), thermal expansion valve (10kW and above), low pressure switch with automatic reset, high pressure switch with manual reset.

HYDRONIC CIRCUIT
Built with copper pipe, internal storage water tank, air vent valve, water drain connection, safety valve, water pump, expansion water tank, and female-threaded hydraulic connection.
POWER AND ELECTRICAL CONTROL PANEL
Accessible electrical components from side panel:
 Main switch
 Transformer 220V/12V for control panel
 Transformer 220V/24V for general alarm
 Compressor contactor
 Water pump contactor (only for 3-phase power supplied units)
 Compressor protection breaker
 Water pump protection breaker (only for 3-phase power supplied units)
 Fan motor protection breaker
 Control circuit protection breaker
 Phase sequence relay (only for 3-phase power supplied units)