19 inch fan Unit with switchFeatures:1. Suitable for standard 19” racks and cabinets2. Cold Rolled Steel,Website:http://www.hqcabling.com, 1.2mm thickness3. Black color to match most rack and cabinets, customized color acceptable4. Two fans included, with switch.• Simple structure, easy installation• Easy cabling & operation• Disturbing resistance, reliable• 2-way outputFunction:• Adjusts inner cabinet’s temperature by intelligent control through fan unit.Degree of protection:• IP23Specifications• Temperature Range 0ºC~50ºC• Input PTC 10KΩ• Output 2-way output• Consumption 3W• Power supply 220VAC• Accuracy ±1ºC• Display 2 way 8 section digital pipe, red• Ambient temperature -10ºC~70ºC• Maintain temperature -20º~80º• Ambient humidity ≤85% RH• Installation 19″ standardInstructions1. Connection / wiringSteps:1. Connect the temperature sensor to the sensor of temperature controlling unit.2. Connect the outside fan to the fan plug with special cable.3. Connect the outside power to the power plug of temperature controlling unit with special cable.2. OperationWhen all the connection steps above have been completed and it has been confirmed that the connection is ok, then switch on the temperature controller and adjust the control parameter to the appropriate temperature.