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.

Categories: City Multi, Ductless Systems, Y Series Tag: Mitsubishi Electric

Remote Controller

Simple Remote Controller

Wireless Remote Controller

System Remote Controller

Schedule Timer

ON/OFF Remote Controller

Controller

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).

Y Series Hyper Heat Ductless Systems Brochure

Y Series Hyper Heat Ductless Systems Document

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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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People like you shared their purchase and installation experience!

Jonathan Chan

This company has excellent products and even better service, and it shows through client interaction. They care about their customers and complete their work in a timely fashion. Best of all they leave the work area in cleaner condition than when they arrived.

Their showroom has items you can't even imagine.

I have used Cozy Comfort Plus many times, personally purchased the following from them:
-Furnace
-A/C unit
-Air cleaner and purifier
-Tankless water heater
-Fireplaces (Mantles)
-Fire table and
-BBQ

Brian and his team are my go to.

mehdi sehizadeh

We purchased a gas insert for our home from the Cozy Comfort Plus. The whole process was super smooth and easy from the very beginning. Brian was very knowledgeable and professional. He patiently guided us through different options we had. The installation crew were also super friendly but at the same time professional and serious about their work.
I would definitely recommend them to anyone who is looking for a satisfactory experience.

Richard G.

When my furnace broke down last winter, we were without heat for two weeks while the HVAC company sourced the parts from the US. I wanted to install a gas fireplace insert to replace my existing gas log set and to act as a backup heat source (e.g. furnace breaks down again, no power). I had a number of questions about the various gas fireplace inserts (e.g. size and fit in my old fireplace) and I contacted several HVAC companies.

I found that Brian from Cozy Comfort Plus to be the most helpful and he also gave me the best price. I was home at the time and I saw that the Cozy team did a great job installing the gas fireplace insert (e.g., assembling and fitting the insert, bending and capping the chimney, etc.). If you are looking for a gas fireplace insert, I would highly recommend that you give Brian a call.