Ewent EW3940, Руководство пользователя

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ENGLISH
EW3940/41/42/43
Line Interactive UPS with AVR
Table of contents
1.0 Introduction ........................................................................................................... 2
1.1 Functions and features ...................................................................................... 2
1.2 Packing contents ............................................................................................... 3
2.0 Remarks about Safety ........................................................................................... 3
3.0 Working Principle .................................................................................................. 4
3.1 In AC mode ...................................................................................................... 4
3.2 AC Failure ........................................................................................................ 4
3.3 UPS outputs .................................................................................................... 5
3.4 Battery and Charging: ....................................................................................... 5
4.0 Main Features ....................................................................................................... 5
4.1 Unattended Operation ...................................................................................... 5
4.2 Protection ......................................................................................................... 5
4.3 Three Kinds of Alarm Function.......................................................................... 5
4.4 Lock Phase Function ........................................................................................ 6
4.5 The Function of the Self-set Frequency ............................................................ 6
5.0 Specifications ........................................................................................................ 6
6.0 UPS Led ................................................................................................................ 7
7.0 Installation and Operation ...................................................................................... 7
8.0 Maintenance .......................................................................................................... 8
8.1 Preventative Maintenance ................................................................................ 8
8.2 Battery Maintenance ......................................................................................... 8
8.3 Handling of abnormity ....................................................................................... 9
9.0 Frequently Asked Questions and other related information .................................. 10
10.0 Service and support ........................................................................................... 10
11.0 Warning and points of attention ......................................................................... 10
12.0 Warranty conditions ........................................................................................... 11
1.0 Introduction
Congratulations with the purchase of this high-quality Ewent product! This product
has undergone extensive testing by Ewent’s technical experts. Should you
experience any problems with this product, you are covered by a five-year Ewent
warranty. Please keep this manual and the receipt in a safe place.
Register your product now on www.ewent-online.com and receive product updates!
1.1 Functions and features
The EW3940/41/42 and EW3943 are UPS systems designed to effortlessly handle a
power failure without the loss of important data. Because these devices are also