Air cooled liquid chillers featuring inverter reciprocating compressors with R290.
Nominal cooling capacity 170 – 320 kW
THE NATURAL ANSWER TO YOUR COOLING NEEDS
MTA is fully committed to accelerating the adoption of sustainable technology for thermal systems. That's why iASN combines the latest advancement in refrigeration technology combined with R290, a refrigerant which delivers reliable performance, high efficiency.
iASN air-cooled chillers are designed to deliver absolute dependability for comfort air conditioning and for industrial applications, and to deliver an efficient solution for tomorrow cooling system needs.
The chiller features all the main hydraulic and mechanical components integrated inside the unit, as standard.
An extensive range of options, coupled with wide operating limits, confirm iASN as the perfect plug & play solution, the ideal fit in a variety of process cooling and air conditioning applications.
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BENEFITS OF R290
PURE - R290 is a pure refrigerant.
ECOLOGICAL - With a direct GWP of only 3 (AR4) and an ODP of zero, R290 is one of the most ecological refrigerant.
SAFE & RELIABLE - R290 is A3 (ASHRAE) classified and non-toxic. The unit is designed in strict compliance with safety standards.
ECONOMICAL - Using R290 avoids carbon taxes and benefits from national incentives.
FUTURE PROOF - R290 is exempt from HFC phase-out programs.
HIGH PERFORMANCE - R290 has excellent thermodynamic properties which deliver high efficiency and wide operating maps.
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Microchannel condensers
• Highly resistant aluminium alloys;
• Up to 30% refrigerant charge reduction;
• High energy efficiency with closer thermal approach temperatures;
• Optional epoxy coating available to extend durability in corrosive environments.
Integrated controller
• User friendly touch screen interface;
• Control software developed in-house for fast and adaptive capacity management;
• Enhanced diagnostics with data-logging function;
• Extensive connectivity and supervision via Ethernet, USB and RS485 Modbus.
Technical features
| Mode | Compressors | Refrigerant | Heat exchanger | Fan |
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R290 |
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Standard features
• R290 Refrigerant;
• 2 reciprocating compressors in 2 circuits with 1+i configuration;
• Compressor crankcase heater and phase-monitor;
• Integral enclosure and acoustic insulation on compressor compartment;
• Brazed plate evaporator heat exchanger;
• Microchannel condenser coils;
• Axial EC brushless fans complete with protective grids and die-cast aluminium airfoil blade profiles;
• Electronic expansion valves;
• Electrical cabinet protection rating IP54;
• Electronic microprocessor controller with touch screen user display;
• Modbus RS485 serial output for connection to supervision systems;
• IN/OUT compressor valves;
• “Victaulic” hydraulic connections kit (supplied for each unit);
• Extensive tests and verifications performed in the factory.
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Options
• Low ambient air temperature option (down to -20 °C);
• Nitrogen refrigerant charge (if required for transport and handling);
• SingleXtwin water pumps with low (P2)Xmedium head pressure (P3);
• Water accumulation tank;
• Anti-freeze protection heaters for heat exchangers, pump/s and water accumulation tank (if installed);
• Partial heat recovery;
• Energy meter;
• Protective epoxy coating for condenser coils, for installation in aggressive environments;
• Metal mesh filters for condenser coil protection.
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Kits
• Antivibration mounts;
• Metal mesh filters for condenser coil protection;
• Modularity kit (master/slave from 3 to 4 units).
Sectors of application
Certifications
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