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NXZM、NXZ(H)M Automatic Transfer Switch

Indication of the start of stop function;

Unit of voltage time and frequency of the normal power;

Phase of A, B, C;

Unit of voltage, time and frequency of the alternative power;

Display area of alternative power voltage parameters

It displays alternative power voltage parameters and transfer delay time under the working

condition, and displaying symbols under setting condition;

Indication of the start signal of generator;

Confirm/return button

Press this button to save changes and exit in setting mode;

And restore normal operation status in fire protection linkage mode;

Button for compulsorily switch to the normal power

Under manual control mode, If the normal power supply is normal，press this button, it can

compulsorily switch to normal power;

If it is setting condition, this button is the “scroll up” button of setting programs;

Button for compulsorily switch to the alternative power

Under manual control mode, if the alternative power supply is normal press this button, it can

compulsorily switch to alternative power;

If it is setting condition, this button is the “scroll down” button of setting programs;

Off button

Under manual control mode, if either line of both power lines is normal and press this button, it will

switch to the off position;

If under the setting mode, this button is the minus button for setting parameters;

Failure inquiry button

When the switch fails and malfunction lamp on the failure screen is on, press this button, the detail

malfunction code can be displayed in the screen;

Setting button

Press this button to enter into the parameter setting menu of the controller;

Indication of automatic charge and automatic recovery mode;

Indication of automatic charge and without automatic recovery mode;

Indication of generator (automatic charge and automatic recovery) mode;

Indication of communication status.

CHINT NXZM User Manual

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