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The heat produced by bright projector lamps cannot be avoided during operation. Many projectors use a design that cools the projector by using multiple built-in fans to expel the accumulated heat. The sound of the fans resonate quite loudly in a quiet classroom. This makes it harder to hear the instructor's voice and prevents concentration.
The noise is often caused by built-in cooling fans and cooling mechanism.
The noise is created not only by the cooling fans but also the cooling mechanism. When using the cooling fans, it is important to carefully design the airflow to minimise the noise.
The PT-DZ8700/DZ100X and the PT-DZ570 Series' cooling mechanisms are carefully designed to minimize noise. Those models achieved a noise level of 29dB.
Furthermore, Panasonic has engineered a Liquid Cooling System that uses a pump to circulate a cooling liquid behind the DLP™ chips to absorb heat. It reduces operating noise and also allows operation within a wide ambient temperature range of 32°F(0°C) to 113°F(45°C).*
* The operating temperature range is 32°F (0°C) to 104°F (40°C) when used in High-Altitude mode (4,593 feet [1,400 m] to 8,858 feet [2,700 m]).
The Liquid Cooling System effectively silences the projector's operation and keeps it stable for long periods of time.
*1 This size information is intended only as a guideline. The size may vary depending on the installation conditions.
*2 PT-D12000 Series:4 lamp operation, PT-DZ8700/DZ110X Series:Dual lamp operation, PT-DZ6000 Series:Dual lamp operation and Eco mode, PT-DZ570 Series:Lamp mode Eco
