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Daikin Industries Daikin Ductless Air Conditioner for Residential Cooling Ductless Air Conditioner for Commercial HVAC
Daikin is a split-ductless air-conditioning system. If you are familiar with a central system, you have the basic idea of what a split system is: an outdoor condensing unit and an indoor evaporator unit. A more advanced air conditioning system requires a more innovative way of thinking. From Split to VRV-S, Daikin®’s intelligent, customizable systems offer all the advantages of the Daikin unique inverter technology, including:

Every Inch of Comfort at Your Control

Daikin®’s unique inverter technology enables precise temperature control for each individual room or zone.

How it works
Daikin systems are built to adapt to load variations such as changes in room occupancy or other impacts on temperature. Total control brings greater comfort. With the Daikin VRV-S system, each room or zone can have its own separate indoor unit and thermostat. This provides you with personalized comfort. The system’s sophisticated PID control used in conjunction with an electronic expansion valve (EEV) in each indoor unit, allow each zone to be independently controled to deliver a comfortable room temperature condition. For example, if the temperature in a particular zone changes throughout the day, the inverter automatically adjusts the refrigerant flow to deliver the correct amount of heating or cooling.

Rather than the typical fluctuations that occur with conventional ON/OFF systems, Daikin systems maintain a nearly constant room temperature. It’s this cutting-edge technology that provides Absolute Comfort for everyone inside your home or small business.

Less Frequent Stop/Start Cycles

Conventional air conditioners run compressors at a fixed rate — meaning they must stop and start all the time. As a result, they make lots of noise and use up plenty of energy. Daikin® inverter duct-free systems run continuously at varying speeds, delivering hot or cool air only as needed. This innovative technology allows Daikin to meet SEER 17 standards (HSPF 10.1) and generate further energy savings during partial load conditions. What’s more, with continuous operation, the room experiences better dehumidification and the compressor incurs less stress. And because you can control each room separately, you can lessen or even shut down the flow to areas not in use.

Fully optimized for maximum performance.
Daikin’s Split and VRV-S® systems operate with R-410A refrigerant, fast becoming the industry standard of the future due to its energy-efficient and zero-ozone-depleting properties. Daikin not only produces R-410A but also optimizes every major system component to work with it, resulting in higher performance, higher EER ratings and lower energy costs.

A System That’s Built Around You

Whether you’re working with space constraints or want to maximize the amount of interior space available, Daikin®’s duct-free systems give you the flexibility you need. With their simple, versatile design, they accommodate practically any layout, enabling better use of space.

Instead of noisy compressors and large ductwork, Daikin uses compact outdoor units and easily connected cooling lines. These lines open into a small, 3-inch opening through a wall or ceiling, connecting to discreet, lightweight indoor units. With few electrical connections to make, installation is a snap for contractors. And thanks to the long piping design, you can take full advantage of your home or building’s interior space.

REFNET Piping: Another Daikin First
Invented by Daikin, the advanced REFNET™ piping system is easy to install and provides greater design flexibility than other competitive systems. Compared to regular T-joints and headers, the unique REFNET design increases system reliability and optimizes refrigerant flow.

Detailed Explanation:

Runs Quietly Indoors and Out

One thing you’ll notice about a Daikin® system is how little you notice it. All indoor units come with fan speed control and operate extremely softly — as low as 25 decibels, the equivalent of rustling leaves. Outdoor units have built-in noise-reducing features including an automatic night mode function that lowers the sound level for any period of time you specify.

Comfort-enhancing features:
People today demand a higher level of comfort from their air conditioning system. So Daikin provides these efficient and convenient features standard on many of the Daikin indoor units:

  • Air Filter: Ensures a steady supply of clean air, and can wipe out many biological contaminants before they can spread.
  • Auto-Cooling Heating Changeover: Automatically chooses heating or cooling mode to achieve the optimum temperature (available in heat-pump types only).
  • Auto-restart: Restarts the unit – at its original settings – automatically after any power failure.

The Right Solution…from Start to Finish

The Split and VRV-S® systems are delivered 80% complete, virtually eliminating the installation, commissioning and service problems that can arise with a conventional air-conditioning system. If issues do occur, the systems have built-in self-diagnostics that can pinpoint trouble spots accurately for quicker repairs.

Daikin systems also come with one of the best warranties in the industry. Best of all, as nearly everything is made by Daikin — from the major components and refrigerant, down to the controllers — contractors never have to worry about getting the runaround. One supplier. One phone call.

Daikin AC sales and service professionals in the U.S. have vast skills and knowledge from years of industry experience and must pass advanced training. They give you the confidence of knowing that you’ll have the right solution…from start to finish. That’s Absolute Comfort.™ Only from Daikin AC.


Air-conditioning Basics:

The process of air-conditioning is dictated by simple physics. Through the evaporation process heat is absorbed by the aluminum fan coil in the indoor evaporator unit and is removed from the room by the gaseous refrigerant. The heated refrigerant (pressured by the compressor) flows into the outdoor unit's aluminum coils. Here a large fan blows across this coil to discharge the heat energy. The liquid refrigerant is cooled by this process and is cycled back to the indoor unit where a fan blows across it and distributes the cool air into the room.

Glossary Of Terms

AIR CONDITIONER: A mechanical device used to control temperature, humidity, cleanliness, and movement of air in a confined space.

Btu/h (British Thermal Units per Hour): A term that is used to measure cooling or heating capacity.

CAPACITY or LOAD: A refrigeration rating system usually measured in Btu/h.

COMPRESSOR: A pump found in a refrigeration or air-conditioning system, which pumps refrigerant through pipes between an outdoor and an indoor unit using pressure.

HEAT PUMP: An air-conditioning system that is capable of reversing the direction of refrigerant flow to provide either cooling or heating to the indoor space.

HSPF (Heating Season Performance Factor): A rating of the seasonal efficiency of a heat pump unit when operating in the heating mode.

HVAC: A term which stands for Heating, Ventilation, and Air Conditioning.

INDOOR UNIT: The air-handler of an air-conditioning system, which contains a heat exchange coil, filters, and fan and provides conditioned air into the space.

INVERTER TECHNOLOGY: Daikin Industries Electric's MSY, MSZ and MXZ and all P-Series outdoor units use INVERTER-driven compressor technology(Variable Frequency Drive)to provide exceptional indoor, high-speed cooling and heating. By responding to indoor and outdoor temperature changes, these systems reduce power consumption by varying the compressor speed for extra energy savings.

MICROPROCESSOR: An electrical component consisting of integrated circuits, which may accept, store, control, and output information.

OUTDOOR UNIT: A component of an air-conditioning system which contains compressor, propeller fan, circuit board, and heat exchange coil. It pumps refrigerant to/from indoor unit.

REFRIGERANT: A gas/liquid substance used to provide cooling by direct absorption of heat.

REFRIGERANT LINES: Copper tubing through which refrigerant flows to and from indoor and outdoor units.

SEER (Seasonal Energy Efficiency Ratio): A rating of the seasonal efficiency of air-conditioning or heating units in cooling mode.

SPLIT-DUCTLESS SYSTEM: A system comprised of a remote outdoor condensing unit connected by refrigerant pipes to a matching, non-ducted indoor air-handler, and a remote controller. Special cases for introducing fresh air may call for limited ducting to air-handler from outside.

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