Nomenclature
Ductless
Nomenclature
Daikin FIT
HVAC Basics
Applications
System Calculations
100

This letter signifies a ductless, single zone, outdoor unit.

What is "R"?

100

These letters signify a heat pump and air conditioning system, respectively.

What are "H" and "C"?

100

Daikin's three core technologies.

What are heat pump, inverter technology, and R32 refrigerant.

100

This type of system is ideal for retrofitting or adding on one room.

What is a single-zone ductless system?

100

Divide the capacity (BTU) by this number to get the tonnage.

What is "12" or "12,000"?

200

This letter most commonly signifies a ductless indoor unit.

What is "F"?

200

These 3 numbers signify efficiency levels.

What are 6, 7, and 9?

200
Where the evaporator coil is located.

What is in the indoor unit or air handler?

200

This type of system is ideal for replacing window units.

What is the Daikin OTERRA 115V?

200

A 1.5 Ton system in BTU.

What is "18,000"?

300

These letters signify a heat pump and cooling only system, respectively.

What are "X" and "K"?

300

The FAMILY name (nomenclature) of the standard efficiency Daikin FIT heat pump.

What is "DH6" or "DH6VS"?

300

This transfers heat to and from the indoor and outdoor unit.

What is refrigerant?

300

Ideal for space savings and zoning control.

What is a multi-zone or multi-split system?

300

The percentage of which a multi-split system can operate above 100%.

What is 30%?
400

The 2nd letter for a ductless indoor unit typically signifies this.

What is the type of indoor unit?

400

The "V" stands for this.

What is "variable speed" or "compressor type"?

400

The term when combining a heat pump with a gas furnace.

What is dual fuel?

400

This Daikin FIT system is ideal when qualifying for tax credits/rebates.

What is the DH7?

400

The maximum capacity of a 3MXM24AVJU9.

What is 31,200 BTU?

500

Break down the nomenclature "MXM"

What is multi-zone, heat pump, R-32 high efficiency?
500
List the "marketing" names/references for the DH6, DH7, and DH9 respectively.

What are the Standard Efficiency, High Efficiency, and AURORA?

500

This technology controls motor speed to precisely heat or cool a space.

What is "inverter"?

500

The ductless model(s) for when cooling only is needed.

What are Daikin OTERRA or Daikin POLARA?

500

All indoor unit capacities which can be combined on a 2MXM18AVJU9.

(Each worth 100 points) What is 7+7, 7+9, 9+9, 7+12, 9+12?

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