Nilfisk-ALTO MACRO 830, MACRO 2400 Installation & Connection, 13.Fan, a. Wiring Configuration

speaker systems by over loading or overheating .

This LF30Hz Filter is used to prevent this happening ,and add an appropriate low-pass filter in the input circuit

13.Fan

This fan releases the heating from the unit by accelerating the air circulation (air flow from front to back), and its speed is continuously variable.

4. INSTALLATION & CONNECTION :

4.1 Mains Connection

Do not insert the power cord into this unit until voltage has been correctly set. Do not plug the power cord into the mains until the voltage has been correctly set.

Please ensure that the MACRO 830/1400/2400 Professional Stereo Amplifier is supplied with the correct voltage before turning on this unit.

If you can't power up this unit while turning on the Mains Switch (1), please check the Breaker (6) on the rear panel first, maybe it is pressed to reset. Otherwise, contact the technician or qualified personnel for any service.

Caution: To reduce the risk of electric shock, do not perform any servicing other than contained in this manual unless you are qualified to do so.

Please turn off this unit before any installation and connection, esp .when you connect your unit into the sound system. This is important to prevent damage to the unit itself as well as other consequent speaker system.

The mains connection of the MACRO 830/1400/2400 Professional Stereo Amplifier is made by using the enclosed power cord and a standard IEC receptacle, and it meets all of the international safety certification requirements.

4.2 Rack Mounting

The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The MACRO 830/1400/2400 Professional Stereo Amplifier fits into one standard 19" rack unit of space.

Be sure that there is enough air space around the unit for sufficient ventilation. If heat release is inadequate, this unit will retain heat inside, which may cause the protection, or even a fire.

4.3 Audio Connection

The LTO MACRO 830/1400/2400 Professional High Power Amplifier presents with balanced XLR connectors and 1/4" TRS phone jack and it can be interfaced by several ways to support a variety of applications without any signal loss.

a. Wiring Configuration

Either the 1/4" TRS (Tip-Ring-Sleeve) phone jack or the XLR servo connector can be wired in balanced and unbalanced modes, which will be determined by the actual application status, Please wire your systems as

the following examples:

For 1/4" TRS jack

1/4"TRS jack	1/4"TRS jack
Unbalanced Input	Balanced Input

For XLR connector

XLR Unbalanced Input XLR Balanced Input

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