The SPW DC inverters use Advanced Digital Hybrid (ADH) technology for better, smarter and more cost-efficient yearround climate control. Immediately following start up, the DC compressor operates at maximum power to provide almost instant heating or cooling. As the desired air temperature is reached, a special Pulse Width Module automatically adjusts the compressor's frequency to exactly meet the cooling or heating requirements of the room. The result is exceptionally precise temperature control, less noise and significant energy savings.
The DC motor uses powerful Neodymium magnets, which are approximately 15-20 times stronger than the ferrite magnets used in conventional AC compressors. This, combined with precise digital control gives the SANYO DC compressor an operation rate of 15-20% higher than that of a conventional AC compressor.
The SPW outdoor units utilise the latest SANYO twin rotary compressor in which perfectly balanced dual rotors revolve smoothly and efficiently to provide powerful, quiet and vibration free performance.
An Inverter compressor is designed to vary it's speed as the demands in the room change. Inverter compressors are designed to soft start therefore causing no dips in power supply.
Single phase AC power is supplied to the outdoor unit where it is rectified and converted into DC power to drive the compressor The input frequency is then modified to allow the compressor to run at a variety of speeds.
As the compressor speed decreases, the amount of refrigerant entering the indoor unit also decreases. This results in a more comfortable environment as the unit only produces the appropriate amount of cooling or heating required at that time - no more temperature swings.
Inverter compressors have been shown to reduce power consumption by as much as 60% when compared to conventional fixed speed equivalents.
Taking Inverter Technology to a New Level of Comfort
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