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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Modern generators can be started and brought on-line very quickly and where such a facility is incorporated 7400 the UPS installation it results in short battery discharge periods and correspondingly rapid recharge times.

Switch S8- Emergency Stop: Don’t have an account? Cable connections for kVA, V, 1 Ph.

Emerson User Manual | 67 pages

Study the connection diagrams in figures Measure and record the UPS output voltage on all three phases. Once such a generator has been brought on-line, and the UPS input power has been re-established, the batteries immediately begin to recharge. 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.

The risk of contact with these voltages is minimised as the live component parts are housed behind a hinged, lockable door. If you encounter any problem with the procedures contained in this manual you should seek immediate assistance from Emerson Network Power India Pvt.

If their removal is necessary, ensure that sufficient manpower is available; otherwise use adequate mechanical handling equipment. Accept the terms, conditions and privacy policy to continue.

Recondition Emerson Online UPS, Model No.: M, Rs /unit | ID:

Short terminal with the help of suitable wire. Ensure removal of z-type clamps used for fixing PCB door. Inverter will not turn ON unless output isolator is closed. Min — Max — Voltage limits of Inverter operation for V d.

To provide a clean no-break load transfer between the inverter output and static bypass line, the inverter output and bypass supply must be fully synchronised during normal operating conditions. Thoroughly clean inside of the equipment enclosure using a vacuum cleaner and low pressure air to remove any foreign debris. LS6 – Load on Inverter: Thus if one module develops a fault, when running, its static switch control logic will transfer its output from the inverter to the static bypass line and simultaneously send a signal to the static switch control logic in the emeraon module to do likewise.


Emerson 7400m

Page 8 Chapter 4- Optional Equipment 4. Note that if this supply is not available, RAM will not function 3.

Receive the latest offers by email. On each module, connect the input supply cables between the mains distribution panel and the UPS input mains terminals. If the batteries are cabinet-mounted this circuit breaker is fitted within the cabinet; however, if the batteries are rack-mounted or otherwise located remote to the main UPS cabinet then the battery circuit breaker must be mounted as near as possible to the batteries themselves, and the power and control cables connected to the UPS using the most direct route possible.

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Options include windows which show status information and windows which permit data to be entered, or parameters for equipment control to be set. If you are unsure as to how to undertake the actions detailed – or if several LED indications are abnormal and you are unable to distinguish between the likely cause and affects – then seek immediate assistance from an approved service agent.


This entails working inside the equipment in regions containing hazardous voltages. The risk of contact with these is minimised as the live component parts are housed behind a hinged, lockable door.

Inverter will not turn ON configuration at this stage. Magnetic components – Check 700m signs of overheating, security of fixture and signs of delamination. No space required if situated on a raised floor.

Bypass AC Input supply present: All UPS models have a stabilising bar fitted to the output transformer T1 and input choke L1 during shipment. Accept terms and emerrson and privacy policy. If an overtemperature condition arises, the audible alarm will accompany this message – the inverter stops and load transfers to bypass after 3 minutes. Check for obvious signs of overheating.

Fork lift apertures are provided in the sides of the base plate and are accessible after removing blanking covers fitted to the side panel ventilation grills. This box is designed to be wall mounted and is connected between the UPS and 7040m bank.

Open the battery circuit breaker. When using mains-powered test equipment such as oscilloscopes in the UPS voltage area, always use a differential mode of operation to disconnect the oscilloscope frame earth.

Sales Office from whom the equipment was purchased.

A 77400m block is used for connecting the control cables to the battery circuit breaker and the external emergency stop facility. There are two possible ways to connect each module to battery: Please do give us feedback to help us realize our Mission. Isolate the UPS input supply from the mains distribution panel to make the UPS safe for work to be carried out internally. Enter text from picture: USF, 24 core, 1.