To Operate a Remote EPO | Powerware 9335 specs

Table 4 – 1. Remote EPO Wire Terminations

From Remote	To X1 connector on front	Remarks
EPO Switch(s)	of inner UPS panel	Remarks
EPO Switch(s)	of inner UPS panel
Refer to switch	X1 - 1	Twisted
manufacturers	X1 - 1	wires (2) 14-
manufacturers		wires (2) 14-
installation	X1 - 2	18 gauge
instructions	X1 - 2
instructions

Table 4 – 2. Remote EPO

REMOTE

EPO

SWITCH

(N.C.)

TWISTED WIRES (2)

X1 UPS

Remote EPO switch rating is 24 VDC, 1 Amp maximum

NOTE: This switch must be a dedicated switch not tied into any other circuits.

4.If you are installing multiple Remote EPO stations, wire additional stations in series with the first Remote EPO.

5.If required, install appropriate sized conduit and wiring from the Remote EPO switch to trip circuitry of upstream protective devices. A separate contact block, with the appropriate normally open or normally closed contacts, must be used for this function. Remote EPO switch wiring must be in accordance with UL Class 1 requirements.

6.Secure the UPS by reversing all steps taken to prepare it for Remote EPO installation.

4.3To Operate a Remote EPO:

1.Activation of an EPO switch will interrupt the EPO circuit and immediately shut off UPS main circuit power to the load, as well as the DC input from the battery supply.

2. Even though the EPO switch is opened, the UPS will not re-energize until the normal startup procedure is followed, which requires operator intervention at the UPS cabinet controls.

4-2	Powerware 9335 (80 kVA and 120 kVA) Installation and Operation
	164201396 REV A 071103

9335 specifications

The Powerware 9335 is a robust and efficient uninterruptible power supply (UPS) designed to deliver reliable power protection for critical applications. Expanding upon Eaton's tradition of offering advanced power management solutions, the Powerware 9335 is tailored for environments that demand high availability and uptime.

One of the standout features of the Powerware 9335 is its double-conversion online topology, which ensures a continuous supply of clean and regulated power. This design operates without any transfer time to battery power, effectively protecting sensitive equipment from all types of power disturbances, including surges, sags, and outages.

The UPS is available in a range of power ratings, from 8 kVA to 40 kVA, making it versatile enough to support a variety of applications ranging from small server rooms to larger data centers. The modular architecture of the Powerware 9335 allows for seamless scalability, enabling users to add additional capacity or redundancy as their power needs evolve. This feature is particularly beneficial in dynamic environments where equipment and loads can frequently change.

Another significant characteristic of the Powerware 9335 is its high efficiency, often exceeding 94% in normal operation. This efficiency not only reduces energy costs but also minimizes heat generation, leading to lower cooling requirements. The UPS employs advanced technologies such as Intelligent Power Management and Smart APM (Adaptive Power Management) to optimize power usage, further enhancing its overall performance and reducing the total cost of ownership.

The user-friendly LCD display furnishes real-time data regarding UPS status, battery condition, and power settings, facilitating proactive management and monitoring. In addition, the unit can be monitored and managed remotely, ensuring that administrators can access critical information even when they are not on-site.

The Powerware 9335 also comes equipped with various connectivity options, including USB, serial, and SNMP for seamless integration into existing IT infrastructure. Additionally, advanced communication capabilities allow for integration with building management systems, ensuring comprehensive power management and reporting.

Safety is paramount, and the Powerware 9335 incorporates numerous features designed to protect both the UPS and connected equipment. This includes overload protection, battery health monitoring, and environmental monitoring, which collectively contribute to a resilient power protection strategy.

In summary, the Powerware 9335 is an exceptional UPS offering from Eaton, featuring high availability, scalability, efficiency, and robust management options. With its advanced technologies and features, it stands out as a premier choice for organizations seeking to safeguard their critical systems and data.