EMERSON 7400M PDF

Liebert Series Uninterruptible Power System (UPS) for the Single Module The Series UPS has been designed for Commercial/Industrial use only. Single Phase UPS system S i n g l e m o d u l e a n d ‘1 + N’ (e x p a n d a b l e) UNINTERRUPTIBLEPOWERSYSTEM User Manual EMERSON Network Power. Single phase ups system • Read online or download PDF • Emerson User Manual.

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It is our constant endeavour to partner you for the growth and success of your business. Please do give us feedback to help us realise our Mission. Emerson Network Power India Pvt. Kashi Kunji, Road No. This equipment must be earthed in accordance with local electrical codes.

Emerson User Manual | 67 pages

Table of Contents Chapter 1- General Description 1. Chapter 4- Optional Equipment 4. Chapter 1 — General Description Introduction: The M series Uninterruptible Power Supply UPS system is connected between a critical load, such as a computer, and its three phase mains power supply. Being designed to furnish a well regulated 3 phase output power emersn under all rated load and input supply conditions, the system offers the user the following advantages: The UPS has its own internal voltage and frequency regulator which In the event of a mains power failure, the rectifier becomes inoperative emefson the inverter is powered solely from the battery.

Its purpose is to enable the critical load to be powered from the mains bypass supply while the UPS is shut down for maintenance or troubleshooting. Bypass AC Input supply present: When the EPO switch is pressed it disables the static switch block entirely so removing load power. Options include windows which emeson status information and windows which permit data to be entered, or parameters for equipment control to be set. This manual does not provide servicing instructions and the options accessed from these windows are therefore not shown on the menu map in figure 1- 7.

LED Indications Figure Open the Battery circuit breaker and the Rectifier input power switch Q1. The battery not available indicator 4 will light amber and the battery bar graph LED’s will all extinguish. When the necessary action to correct the problem has been taken, this procedure should be followed to restore the Emerdon back to its normal operating condition following, a controlled transfer to bypass or when the Remote Emergency Power Off switch has emerskn activated.

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Operating above this temperature will reduce the battery life, operation below this emeerson will reduce the battery capacity. Verify that the UPS room satisfies the environmental conditions stipulated in the equipment specification, paying particular attention to the ambient temperature and air exchange system.

Cable emersonn samples from method 1 3.

Liebert – Emerson Series Ups System – Energetic Sales & Services, Dehradun | ID:

Study the connection diagrams in figures A battery can present a risk of electric shock or burn from high short circus currents. Eye protection should be worn to prevent injury from accidental electrical arcs.

UPS using the most direct route possible Emerson Network Power offer a purpose-designed remote battery circuit breaker box, containing the circuit breaker and its necessary control board, as a standard option kit. Chapter 4 — Optional Equipment Several items of optional equipment are available for fitting to the M series UPS for use by the customer as required.

A battery can present a risk of electric shock or burn from high short circuit currents. It is used to connect the battery to the UPS in Installations where the batteries are not contained in the standard battery cabinet.

Chapter 5 – Maintenance 5. Certain procedures entail gaining internal access to the UPS, and should only be undertaken by a competent engineer who is familiar with the operation and layout of the equipment and understands the areas of potential hazard.

Measure and record the battery float charge voltage. Measure and record the battery charge current. Measure and record the UPS output voltage on all three phases.

Thoroughly clean inside of the equipment enclosure using a vacuum cleaner and low pressure air to remove any foreign debris. Reconnect the UPS input mains power. Under normal circumstances the default window will be displayed. Chapter 6 -Troubleshooting Troubleshooting UPS Systems The UPS contains complex electronic control circuits that require a firm understanding in order to carry out comprehensive fault diagnosis and repair of the equipment.

The following information aims to provide a trained user with sufficient knowledge to understand the nature of a fault through the correct interpretation of the accompanying alarms and indications, and to carry out any necessary first aid repair action.

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Emerson 7400 User Manual

If you are unsure as to how to undertake the actions detailed — There are two possible ways to connect each module to battery: The M UPS manufactured before this series have different serial numbers: An upgrading kit s.

Differences are shown below. Battery Management In case of common battery system, when two modules are both operating, if procedures of Battery Test or Boost Charge are begun by one module, the other is forced to do the same thing.

This operation involves also setting of system with: The connection is redundant, disconnecting one cable lits emreson red LED on Parallel boards, disconnecting both cables inverter are blocked this last function may be disabled during servicing of the system. Distribution Boxes Their design Is identical, they differ only for the rating of switches and DC current transformers. Min — Max — Voltage limits of Inverter operation for V d.

Page of 86 Go. Page 24 Page 25 Page 26 – Procedure for completely powering down t Table of Contents Add to my manuals Add. Page 2 It is our constant endeavour to partner you for the growth and success of your business.

Page 8 Chapter 4- Optional Equipment 4. Page 41 UPS using the most direct route possible Emerson Network Power offer a purpose-designed remote battery circuit breaker box, containing the circuit breaker and its necessary control board, as a standard option kit.

Chapter 5 – Maintenance Chapter 5 – Maintenance 5. Chapter 6 -troubleshooting Chapter 6 -Troubleshooting Troubleshooting UPS Systems The UPS contains complex electronic control circuits that require a firm understanding in order to emeerson out comprehensive fault diagnosis and repair of the equipment.

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