Location of control buttons, Button cover EPO button

Operator Control and Display Panel

8.3Control Buttons

The Control Buttons on the front panel may be used to shut down the UPS completely, turn the inverter On or Off, restart the UPS after a fault and silence the alarm, as shown in Figure 48. The function of each button is described in Table 16.

NOTE

To activate a button properly, press and hold until you hear a short beep—about two seconds.

Figure 48 Location of control buttons

LED2

LED1

LED4 LED5

LED3

STATUS

Liebert NX		2007-01-06		09:20:37
80kVA-3X3		Single		Normal
	Main	Bypass	Output
L-N current (A)		L1-N/L 2	L 2-N/L3	L 3-N/L1
		71.4	70.8	71.3
Frequency (HZ)		59.9	59.9	59.9
L-L voltage (V)		480	480	480
PowerFactor		0. 99	0. 99	0.99
Input disconnect closed			01-06 09:15
Output disconnect closed			01-06 09:15
Bypass abnormal			01-06 09 :15
				?
F1	F2	F3	F4	HELP

EPO

INVER TER OFF

FAULT CLEAR

SILENCE ON/OFF

INVERTER ON

Button cover

EPO button

Inverter Off button Fault Clear button

Silence On/Off button Inverter On button

Table 16 Control buttons

	Button
	(see Figure 48)	Function

		Completely shuts down the UPS, including the static switch.
	EPO	CAUTION: Use caution before pressing the Emergency Power Off (EPO) button. This button
		completely shuts down the unit and cuts off power to the critical load.
	Inverter Off	Press this button to shut down the inverter during operation. The load will be transferred to
	Inverter Off	static bypass.
		static bypass.
	Fault Clear	After the UPS shuts down due to a fault and the alarm condition has been resolved, press
	Fault Clear	this button to clear the fault and restart the UPS.
		this button to clear the fault and restart the UPS.
		Press this button once to silence the alarm buzzer when an alarm is active. Any new fault will
	Silence On/Off	sound the buzzer again.
		If the alarm buzzer is not beeping, press this button to test the alarm sound.
	Inverter On	Press this button to start the inverter and transfer from static bypass to inverter.
	Inverter On	NOTE: If the inverter is not ready, this will not activate the UPS.

60HZ, 480V specifications

The Emerson 40-120KVA UPS is a high-performing uninterruptible power supply designed to ensure the reliability and continuity of critical operations across various industries. This UPS operates at 480VAC and 60Hz, making it suitable for environments where high-power demands are common.

One of the standout features of this UPS system is its modular design, which allows for easy scalability. Organizations can expand their power capacity as their needs grow, making the Emerson 40-120KVA UPS a future-proof investment. The system operates with high efficiency, minimizing energy consumption and operational costs. This is vital for data centers and industrial applications where energy management is increasingly important.

The Emerson UPS incorporates advanced digital signal processing technology, delivering real-time monitoring and control. This enhances the overall performance and reliability of the system, providing seamless power protection against voltage fluctuations, surges, and interruptions. With a total harmonic distortion of less than 5%, the UPS ensures a clean and stable power output, preserving the integrity of sensitive electronic equipment.

Another noteworthy characteristic of the Emerson 40-120KVA is its redundancy features. The system supports N+1 redundancy, allowing for one extra module to ensure uninterrupted service in case of a failure. This design offers peace of mind for critical applications, ensuring that there is no single point of failure.

User-friendliness is also a significant aspect of the Emerson UPS. The intuitive graphical user interface simplifies monitoring and management, allowing operators to assess system performance and status at a glance. Additionally, remote monitoring capabilities enable real-time tracking of system health and performance from anywhere, providing flexibility and oversight for facility managers.

The Emerson 40-120KVA UPS also meets stringent safety and compliance standards, ensuring reliable operation in demanding environments. Its robust design is suitable for a variety of applications, including information technology, telecommunications, and industrial processes. Overall, the Emerson 40-120KVA UPS stands out as a reliable, efficient, and versatile solution for businesses aiming to safeguard their critical power supply against any disruption.

Emerson 60HZ, 480V Location of control buttons, Button cover EPO button, Control buttons

Models: 60HZ 480V