ETC Desire Series v1.6.0 User Manual - Manual (Page 29)

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Installation and User Interface Overview 23
Installation Clearances
Cooling and Duty Cycle
Desire D22 and D40 Series fixtures are convection cooled and can operate all channels at
full power continuously in ambient temperatures up to 40°C (104°F). The Desire D60 is
equipped with a cooling fan, which is automatically controlled.
If ambient conditions exceed 40°C (104°F) or fail to allow sufficient airflow, over a long
period of time, the fixtures may shut down and remain off until they return to a safe
operating temperature. The fixtures provide two methods to indicate over temperature that
can be set up on the Local Settings menu. The over temperature indicators are:
Visible
The LED array glows in a dull, low intensity with only some emitters illuminated, the LCD
backlight is turned on, the LCD displays Overtemp Activated, and the Error Indicator light
turns on.
Dark
The LED array turns off and the LCD displays Overtemp Activated. The LCD backlight is
not turned on.
LED life is adversely affected by high-temperature operation. When operating under
elevated ambient temperatures, avoid turning all channels to 100% for extended periods,
such as channel checks or focusing.
C A U T I O N : Duty Cycle
Operating the fixtures in higher ambient temperatures or low-airflow situations
may cause the power supply to shut down. Following a cool-down period, the
power supply will automatically reset and the fixture will return to operation.
It is good practice to power down any device with on-board electronics to limit
unnecessary wear on the devices and eliminate residual use of electricity. When
not in use, Desire fixtures should be powered down by disconnecting from power
either at the breaker or by unplugging.