Features

Series Features

• R32 refrigerant with reduced global warming potential
• Refrigerant saving design
• Enhanced disaster safety measures
• TOP Class High Energy Saving
• More Energy-Saving compressor control
• Easy to carry, easy to install
• Long pipe length
• Up to 13 indoor units can be connected
• External static pressure
• Cooling piping system

Outdoor unit lineup

4HP	AJH040KCTAH
5HP	AJY045KCTAH
6HP	AJH054KCTAH

Sustainable

This product uses R32, a new environmentally friendly refrigerant.

• Zero Ozone Depletion Potential (ODP^*1)
• High environmental properties
• High performance
• Economically efficient

*1 ODP (Ozone Depleting Potential):

a relative value that indicates the impact per unit weight of ozone-depleting substances released into the atmosphere when CFC-11 (trichlorofluoromethane, CCI3F) is fixed at 1.0

*2 GWP (Global Warming Potential):

a measurement that indicates how much other greenhouse gases are capable of warming the Earth based on carbon dioxide This is the integrated value of radiant energy given to the Earth (i.e., the estimated impact on global warming) expressed as a ratio to CO₂.

Refrigerant saving design

Refrigerant saving design the compact indoor unit, piping design, and optimization of heat exchanger volume significantly reduce the system refrigerant volume.

The system is designed to meet the environmental safety requirements specified in the IEC 603352-40 standard for the use of R32 refrigerant.

The environment requiring safety measures is determined by the size of the room in relation to the amount of refrigerant required. For example, if the system is designed for maximum pipe length and the refrigerant charge is 6kg, safety measures are required for rooms of 15m² or less.

1. Shut off valve kit

UTP-GX027A, UTP-GX060A

Block the path to prevent refrigerant flow in the event of a refrigerant leakage.

2. Expansion kit

UTZ-JXXA

Used to ensure standards compliance and safety when R32 VRF products are installed.

3. Gas sensor kit

UTY-SGZH*

Gas Sensor kit Used to ensure standards compliance and safety when R32 VRF products are installed.

*

Connection cable (UTY-XWZXZL) is required.

TOP Class High Energy Saving

The use of large heat exchanger and a highefficiency Rotary compressor achieves class-leading SEER/SCOP in all models.

More Energy-Saving compressor control

When the room temperature approaches the set temperature after the start of operation, the capacity required for the outdoor unit ecomes lower.

The minimum compressor speed at this time can now be controlled at a lower value than with conventional products, enabling more energy-efficient operation.

Small, lightweight outdoor unit

The outdoor units in this series are much more compact than conventional outdoor units of comparable capacity.

They can be installed on a balcony, fitting below the height of the railing.

With a height of less than 1 m, they can be installed in tight spaces such as under windows.

Low noise design

Significantly low noise levels are achieved by the use of a DC twin-rotary compressor, inverter technology, and an advanced airflow pattern design.

Our advanced refrigerant control technology extends the maximum allowable length of refrigerant piping to 120m.

This provides high flexibility in system design.

Long piping lengths are achieved by installing a largecapacity accumulator.

No liquid refrigerant is supplied to the compressor even when the required amount of refrigerant is charged in the long piping.

Up to 13 indoor units* can be connected

The combination of smaller but sufficiently powerful indoor units and a new outdoor unit with an optimized heat exchanging structure makes it possible to connect up to 13 indoor units, which is the best in its class.

*:

6HP model

External static pressure

External static pressure measures up to 30Pa for 4/5/6HP models.

Even if the outdoor unit is installed in a small space to hide it, the grille and duct airflow path required for exhaust air can be installed up to a static pressure value of 30Pa

Cooling piping system

New Heat Rejection Technology Cooling piping system “Cooling piping system” is adopted toensure reliability in high outside air.

Even when the outdoor unit is installed in an environment where heat tends to stay (small space), the cooling system using refrigerant can reduce damage caused by heat from PCBs.