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Table of Contents
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Summary of Contents for Ewent EW3940
- Page 1 EW3940/41/42/43 Line Interactive UPS – with AVR...
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Page 2: Table Of Contents
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. -
Page 3: Packing Contents
1.2 Packing contents The following parts need to be present in the packing: • EW3940/41/42 or EW3943 Line Interactive UPS with AVR • Manual 2.0 Remarks about Safety In order to keep safe in using the UPS, please comply with the following: •... -
Page 4: Working Principle
ENGLISH Place with direct sunlight or near heater； Place with strenuous vibration； Outside • Please use dry powder fire extinguisher in case of fire; it is forbidden to use fluid fire extinguisher because it will cause electric shock. • Please put the socket near the UPS, in this way, it is convenient to disconnect the socket and cut off power in case of emergency. -
Page 5: Ups Outputs
ENGLISH 3.3 UPS outputs The EW3940 UPS has 4 outputs: • At the left side two outputs for power failure (surge/spike) protection. • At the right side two outputs for power failure (surge/spike) protection with a backup function when AC fails. The built-in battery will supply power for continuous power supply for the equipment. -
Page 6: Lock Phase Function
When the UPS is turned on for the first time, the acquiescence frequency is 50/60Hz; when it is connected to AC, the frequency is automatically set to 50Hz or 60Hz in accordance with AC. 5.0 Specifications MODEL EW3940 EW3941 EW3942 EW3943 650VA 720VA... -
Page 7: Ups Led
ENGLISH 6.0 UPS Led Model: EW3940 Model: EW3941/EW3942/EW3943 7.0 Installation and Operation Shut down the load (for example PC) Put UPS on the proper position Connect load(for example PC) to the UPS Put the plug to the AC power socket(make sure GND is connected well ) SUGGESTION: This UPS is the power supply for the computer, monitor and hard disk(CD) etc. -
Page 8: Maintenance
ENGLISH Remark： Generally speaking, don't turn off the UPS so the battery keeps charging. When AC fails the UPS will turn to battery mode. Please save important documents in time. 8.0 Maintenance 8.1 Preventative Maintenance Preventive Maintenance ensures the longer Service life of UPS. Please check the following steps every month：... -
Page 9: Handling Of Abnormity
ENGLISH 8.3 Handling of abnormity The UPS can serve and provide protection to users' equipment, but if there is something abnormal, please turn to local UPS dealer for help, avoiding unnecessary damage to the UPS. When the UPS has the following problems, please follow the Steps below and if the problem still cannot be solved, Please contact the local dealer. -
Page 10: Frequently Asked Questions And Other Related Information
The latest Frequently asked questions for your product can be found on the support page of your product. Ewent will update these pages frequently to assure you have the most recent information. Visit www.ewent-online.com for more information about your product. -
Page 11: Warranty Conditions
Ewent products with an internal hard disk have a limited warranty period of two years on the hard disk. Ewent could not be held responsible for any data lost. Please make sure that if the product stores data on a hard drive or other memory source, you will make a copy before you return the product for repair.
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