GEA Grasso BluAstrum range of NH3 chillers

• NH₃ chillers for AC and industrial cooling
• Features compressors with speed-control, frequency inverter and Vi

Description

GEA Grasso’s new chiller range for air conditioning and industrial cooling comprises six chiller types with a capacity range from 500 kW to 2,000 kW with operating conditions between -15°C and +15°C:

Chiller type	Cooling capacity  (kW) R717 12/6 °C	Condensing capacity (kW) R717 30/35 °C	EER
BluAstrum 500	592	695	5.35
BluAstrum 800	772	906	5.42
BluAstrum 900	892	1046	5.42
BluAstrum 1000 *	1140	1334	5.56
BluAstrum 1500	1424	1663	5.56
BluAstrum 1800	1768	2067	5.53

* BluAstrum 1000 is available in 2011; all other types will follow in 2012

Technical data

Maximum design pressure: 28 bar
Refrigerant: R717
Ambient temperatures: 5 to 40 °C
Water/brine temperature (outlet): -15 to 15 °C
Speed range: 1000 to 4500 min-1
Certification: CE-PED

Features

Grasso CM high efficiency screw compressor with speed-control, frequency inverter and variable internal volumetric ration (Vi)
System control GSC TP with easy menu structure and extended functionalities
Variable speed drive (VSD)
Compact enclosure as an option, offering reduced noise level
Highly efficient condenser working at very low approach temperatures
Evaporator with integrated separator
Expansion control system

Advantages