Mitsubishi Electric Y Series Hyper Heat Ductless Systems
Mitsubishi Electric has taken heating to a whole new level with our exclusive, patent-pending Hyper-Heat Inverter (H2iTM) technology. Even when outdoor temperatures drop to -25°C – a challenge for many competitive air-source heat pump systems – City Multi stays on the job, keeping the indoors at a comfortable and consistent level.
At the heart of the H2i technology is the Flash Injection Circuit. The Flash Injection Circuit consists of a Heat Interchanger (HIC) and a compressor equipped with an injection port. It works by allowing a portion of two-phase refrigerant (gas-liquid) to bypass the outdoor coil, and recollect heat energy at the Heat Interchanger (HIC) that is normally rejected during the flash process in the outdoor unit. The Flash Injection Circuit then injects the energized two-phase refrigerant at a lower temperature into the compressor through the injection port during the compression process. This reduces the temperature inside the compression chamber, allowing the compressor to run at higher speeds to offset the effect of low suction pressure and the low refrigerant mass flow rate due to low ambient temperatures. As a result, City Multi is able to maintain a high heating capacity and achieve higher performances without being affected by the cold.
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The H2i system ensures a stable heating operation and constant comfort by delivering continuous heating for up to 250 minutes in one cycle and significantly reduces the defrost time between cycles.
The H2i system further enhances the heating operation of
City Multi. It pushes the boundaries of heat pump technology and is able to provide 75% of heating capacity at a COP of 1.7 in ambient temperatures as low as -13°F (-25°C).
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Local Remote Controllers & Program Timers
Choose from a wide selection of remote local controllers
- Control individual indoor units.
- Wide selection of features and programming options.
- Both fixed wall and remote controllers available.
Centralized Remote Controllers
- controls up to 150 indoor units by a single remote controller, or up to 2000 indoor units with the integrated system management software – TG-2000A.
- Wide selection of features and programming options.
Internet Browser Based Controllers
Computerized controllers which work with, or independent of, regular controllers
- Easy-to-use browser-based interface.
- Simplifies management of large building systems.
BMS Protocol Interfaces
Easily integrate City Multi with your Building Management System
- Our exclusive LONWORKS and BACNET interfaces seamlessly integrate City Multi with any LONWORKS or BACNET based Building Management System (BMS).
- Simply add more interfaces to manage additional groups of indoor units.
Centralized Control Interfaces
Enhanced controlling functions without the use of PLC
- System control from analog, digital or pulse input signal.
- Ability to interlock and control general equipment.
- Cost effective controlling option in place of PLC.
City Multi Maintenance Tool
Simplifies the operation, maintenance & servicing of the City Multi system
- PC based software used to display system information & change system settings.
- Generates problem history reports and supports call functions.
- Both local & modem interface supported.
- Consists of software & signal converter.
meZO Controller Application
Monitor and control City Multi or Mr. Slim systems from your iPhone or iPod Touch
- Easy-to-use application for building managers, maintenance personnel & homeowners.
- Monitor and control on/off, mode, set temperature, space temperature, fan speed & vane direction.
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