Mitsubishi FDT140VNV Service Manual download pdf (Page 4)

Hig h P erfo r m ance A ir C o nd itio n in g

High Efficiency

QUICK CONTROL & HIGH EFFICIENCY

DC PAM inverter

An inverter system has a number of advantages over a constant

speed system. It’s variable speed compressor outputs can ensure

quick cooling or heating after start up and attains a set temperature

more quickly. The air conditioner can slow down the compressor

speed to save energy whilst keeping comfortable conditions. The

compressor is DC motor driven so it provides higher performance.

New Inverter Control (Vector control)

New Inverter Control has applied the new advanced technology of Vector control enabling:-

• Smooth operation from low to high speed

• Smooth Sine Voltage Wave form is achieved

• Energy efciency has improved in low speed range

Wide Operation Range

Heating and cooling operations are possible at an outdoor temperature as low as –15°C.

Our new advanced technology has improved the heating and cooling operation range.

Units can be installed when heating or cooling operation is required at low ambient conditions down to -15°C.

INVERTER

PAM

PowerActiveModule

DC compressor motor

Motor Efficiency(%)

Magnet Motor

Induction Motor

Low High

Improving

Revolution speed

DC PAM

INVERTER

DC PAM

INVERTER

Time

Room Temp.

Even Temperature

Rated Capacity

Utmost comfort and energy efficiency achieved

with large output power and control optimisation

Set Temp.

Compressor

(rps)

PWM

PAM

CONVENTIONAL

INVERTER

CONVENTIONAL

Time

Room Temp.

Less advanced technology does not address

the ON/OFF cycle issue.

OFF

Rated Capacity

OFF

Set Temp.

Compressor

(rps)

-10

-20

Heating

Cooling

+46°C

+21°C

-15°C

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Mitsubishi FDT140VNV Service Manual Page 4

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