nual k Voltage Stabilizer N) manual New Brunswick Voltage Stabilizer Operating manual

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1 nual k Voltage Stabilizer N) manual New Brunswick Voltage Stabilizer Operating manual

2 Copyright Copyright 2014 Eppendorf AG, Germany. No part of this publication may be reproduced without the prior permission of the copyright owner. The company reserves the right to change information in this document without notice. Updates to information in this document reflect our commitment to continuing product development and improvement. Trademarks Eppendorf and the Eppendorf logo are registered trademarks of Eppendorf AG, Germany. New Brunswick and the New Brunswick Logo are trademarks of Eppendorf AG, Germany. Windows is a registered trademark of Microsoft Corporation in the United States and other countries. Trademarks are not marked in all cases with or in this manual. Eppendorf has attempted to identify the ownership of all trademarks from public records. Any omissions or errors are unintentional. M E/012014

3 Table of contents 3 Table of contents 1 Operating instructions Using this manual Danger symbols and danger levels Hazard symbols Degrees of danger Symbols used Safety Information on product liability Product description Overview and features Product versions Display Safety Voltage types Installation Unpacking Inspection Installation Grounding Locations Making connections Operation Connecting to equipment Operating sequence Maintenance Cleaning Service Replacing the fuse Troubleshooting Technical data General model information Technical specifications Spare parts Schematics and wiring diagrams Declaration of conformity Index

4 4 Table of contents

5 Operating instructions 5 1 Operating instructions 1.1 Using this manual Carefully read this operating manual before using the device for the first time. Also observe the operating manual enclosed with the accessories. The operating manual should be considered as part of the product and stored in a location that is easily accessible. When passing the device on to third parties, be sure to include this operating manual. If this manual is lost, please request another one. The current version can be found on our website Danger symbols and danger levels Hazard symbols Hazard point Burns Electric shock Material damage Degrees of danger The following degree levels are used in safety messages throughout this manual. Acquaint yourself with each item and the potential risk if you disregard the safety message. DANGER WARNING CAUTION NOTICE Will lead to severe injuries or death. May lead to severe injuries or death. May lead to light to moderate injuries. May lead to material damage. 1.3 Symbols used Example List. Meaning You are requested to perform an action. Perform these actions in the sequence described. References useful information.

6 6 Operating instructions

7 Safety 7 2 Safety 2.1 Information on product liability In the following cases, the designated protection of the device may be compromised. The liability for the function of the device passes to the operator if: The device is not used in accordance with this operating manual. The device is used outside of the range of application described in the succeding chapters. The device is used with accessories or consumables that were not approved by Eppendorf. Service or maintenance is completed on the device by people who are not authorized by Eppendorf. The owner has made unauthorized modifications to the device.

8 8 Safety

9 Product description 9 3 Product description 3.1 Overview and features The New Brunswick Voltage Stabilizer is designed to extend the input supply voltage rating from the normal ±10 % to -25 % / +20 %. The device continuously monitors and corrects high and low voltage fluctuations in the incoming electrical supply, to provide a stable line voltage for the operation of your equipment. If the voltage rises or falls, the Voltage Stabilizer adjusts the incoming line voltage to ensure that the voltage reaching your equipment remains within ± 10% of the nominal line voltage rating (see General model information on p. 21) Product versions Voltage stabilizer standalone Part number Description M V, 60 Hz M V, 50/60 Hz Display To ensure accurate indication of the incoming line voltage at all times, the Voltage Stabilizer has 3 LED indicators. LED Color Red Green Yellow Voltage High line voltage Normal line voltage Low line voltage Safety The Voltage Stabilizer provides 2 safety features: The main power switch is located behind a lockable power switch cover to prevent unauthorized users from accidentally turning off the device. A convenient, removable power cord is fixed in place by a locking clamp to prevent the power cord from accidentally becoming unplugged. The unit contains high voltage components. The cover should only be removed by a qualified engineer or service personnel.

10 10 Product description Abb. 3-1: Voltage Stabilizer front view 1 2 Fig. 3-1: Voltage Stabilizer front view 1 Front view with the locking panel 2 Front view without the locking panel

version 3.1.4 Voltage types The unit is supplied in 2 types.

11 Product description 11 Abb. 3-2: Voltage Stabilizer rear view 1 2 Fig. 3-2: Voltage Stabilizer rear view 1 Rear view, 115 V 18 amp version 2 Rear view, 208/230 V 12 amp version Voltage types The unit is supplied in 2 types. The table below shows the type of plug provided. Description Plug image 115 V Voltage Stabilizer power cord plug Type NEMA /230 V Voltage Stabilizer power cord plug Type NEMA 6-15

12 12 Product description

13 Installation 13 4 Installation 4.1 Unpacking 1. Unpack your Voltage Stabilizer and remove protective packaging. 2. Retain the box and packing materials in storage for possible future reuse. 3. Check that all items listed on the shipping list are present. 4. Inspect all items for damage that may have occurred during delivery. 5. Report any damages and/or deficiencies within 14 days to the nearest Eppendorf office. 4.2 Inspection Inspect the unit carefully for any damage that may have occurred in shipping. Report any problems immediately to the shipper and your New Brunswick representative. 4.3 Installation WARNING! Risk of electric shock! The Voltage Stabilizer unit must be grounded whenever it is in use. Do not operate the unit until you have first checked that the maximum load of your equipment does not exceed the rated capacity of the Voltage Stabilizer. Consult the label on the rear of the unit. If you are unsure of the maximum load of your equipment, consult a licensed electrician Grounding This unit must be grounded. If your electrical supply is not grounded, consult a qualified electrician to provide a ground Locations Although the Voltage Stabilizer does not produce excessive heat, make sure it is positioned so that air flows freely around it to allow the unit to cool. Provide a minimum clearance of 6 inches on all sides of the unit. Never install the Voltage Stabilizer inside a closed cabinet. Do not allow papers or other materials to be placed on top of or underneath the unit. Be sure to keep the ventilation slots clear of any material that might lodge in them or block airflow.

14 14 Installation Making connections CAUTION! Do not plug this unit into an extension cord or any kind of fused power strip. Install the supplied power cord by using the following procedure: 1. Insert the C-19 connector (square end) into the power receptacle at the back of the Voltage Stabilizer (see Tab. on p. 11). 2. Tighten the power cord safety retainer by tightening the screw on top of the retaining clip (a Phillips screwdriver will be required). 3. Plug the NEMA 5-20/6-15 end of the power cord into an appropriately rated electrical outlet (check rating label). When connecting to a power outlet other than a NEMA socket, use the supplied power cord to connect the Voltage Stabilizer to the freezer or other equipment to be protected. Then use the power cord already connecting the equipment to the power supply to now supply the Voltage Stabilizer.

15 Operation 15 5 Operation 5.1 Connecting to equipment WARNING! Risk of electric shock! To avoid the risk of shocks, do not expose this equipment to liquids or high moisture areas. Never insert any object into the ventilation slots. Never dismantle the Voltage Stabilizer. CAUTION! Before attempting to use the New Brunswick Voltage Stabilizer, ensure that the total amperage load of your equipment does not exceed the maximum rating of the Voltage Stabilizer. To check the rating, refer to the label on the back of the unit. To connect your equipment to the Voltage Stabilizer: 1. Turn your equipment OFF and unplug it from the electrical supply outlet. 2. Using the keys provided to unlock the panel, open and remove the Voltage Stabilizer lockable power switch cover. 3. Make sure the Voltage Stabilizer power switch is OFF. 4. Plug your equipment into the appropriately rated socket on the back of the Voltage Stabilizer (see Making connections on p. 14). 5. Turn on the main power switch of the Voltage Stabilizer. 6. Replace the lockable power switch cover and lock with the key provided to ensure that unauthorized users cannot inadvertently turn off the unit. 7. Turn on the equipment attached to the Voltage Stabilizer. 5.2 Operating sequence The Voltage Stabilizer will relay power to your equipment at an appropriate line voltage, and the LEDs on the front panel (see Fig. 3-1 on p. 10) will give you a visual indication of the state of the input line voltage.

16 16 Operation LED message Meaning LED display Red LED marked "High" is illuminated. Green LED marked "Normal" is illuminated. Yellow LED marked "Low" is illuminated. The incoming line voltage has increased. The Voltage Stabilizer will automatically reduce the incoming line voltage to an appropriate level. The incoming power supply voltage is normal. Any variation to the supply voltage, up or down, will be monitored and adjusted by the Voltage Stabilizer. The incoming line voltage has dropped. The Voltage Stabilizer will automatically boost the incoming line voltage to an appropriate level. Abb. 5-1: Front panel LEDs Fig. 5-1: The Voltage Stabilizer should only be used to correct voltage fluctuations within the stated maximum working range. This unit is protected from excessive voltages and loads by a thermal circuit breaker (main power switch). The replaceable fuse above the main power switch protects the input transformer from short circuits. For further details, please refer to the Troubleshooting section of this manual. Front panel LEDs

17 Maintenance 17 6 Maintenance 6.1 Cleaning Routinely wipe the outside surfaces with a clean, dry cloth to keep the unit dust-free. If necessary, use a vacuum cleaner to remove any dust from the ventilation slots. Do not use liquids or chemicals of any kind on or near the Voltage Stabilizer. 6.2 Service WARNING! Removing the cover or tampering with the Voltage Stabilizer is unsafe. The Voltage Stabilizer does not require any routine service, and the only service to be performed by a user is fuse replacement (see Replacing the fuse on p. 17). There are no serviceable parts inside: never attempt to disassemble the unit. Should you experience any problems with the Voltage Stabilizer, first consult the Troubleshooting section of this manual (see Troubleshooting on p. 18). If you do not find a solution there, and you are certain that you have followed all operating instructions correctly, contact your New Brunswick service representative to schedule a service visit. 6.3 Replacing the fuse The only serviceable fuse (Type T / 1 A / 250 V) is located directly above the main power switch at the front of the unit, behind the lockable power switch cover.

18 Maintenance To replace the fuse: Abb. 6-1: Fuse replacement 1 2 5 4 3 Fig.

18 18 Maintenance To replace the fuse: Abb. 6-1: Fuse replacement Fig. 6-1: Fuse replacement 1 Fuse holder 2 Fuse mounted in holder 4 Fuse removed from holder 5 Power switch 3 Fuse removed from holder 1. Unscrew the black fuse holder from its housing by turning it counter-clockwise with a blunt tool such as a screwdriver. 2. Remove the fuse holder from the instrument and remove the fuse by pulling the fuse from its holder. 3. Discard the damaged fuse appropriately. 4. Press a new fuse into the holder and reinstall it. 5. Tighten the fuse holder into its housing by turning it clockwise. Do not overtighten.

19 Maintenance Troubleshooting Should you experience any difficulties with your Voltage Stabilizer, you may find the solution you need below. In this table, load represents the equipment with which you are using the Voltage Stabilizer. Symptom Possible cause Solution Voltage Stabilizer does not switch ON, none of the LEDs are illuminated. Voltage Stabilizer has turned off automatically. Voltage Stabilizer appears to function normally but the load will not turn ON. Voltage Stabilizer appears to function normally but the output voltage is consistantly low. Voltage Stabilizer's LEDs are all on at one time, or no LED is lit. The fuse has blown. The power supply to the stabilizer is not available. Power switch circuit breaker has tripped. Load is not plugged in. Load is not switched ON. Load fuse has blown. The supply voltage is too low due to continuous brown-out. The supply voltage is too low because the unit is rated at 230 V but the supply is 110 V. Possible internal fault, which could be temporary or permenant. Very bad power supply waveform or frequency. Replace the fuse (see Replacing the fuse on p. 17). Make sure the incoming power supply is available. Verify that the current load does not exceed the capacity of the stabilizer and that you are using the correct voltage. Make sure the incoming power supply is not excessively low or high. Reset the circuit breaker. If it trips again and the power supply is normal, return for repair. Verify that the load is plugged in. Verify that the input voltage is within the input range of the stabilizer. Verify that the load is switched ON. Replace the load fuse (see Replacing the fuse on p. 17). Resolve the power supply problem. or Return the unit for a stabilizer rated at the correct voltage. Verify that the current load does not exceed the stabilizer's rating. Turn the load equipment OFF, then turn the stabilizer OFF. Restart per operating instructions. If the problem persists, return the stabilizer for repair.

20 20 Maintenance

21 Technical data 21 7 Technical data 7.1 General model information This table does not include handle or power cord dimensions. M M Model number P P Power input V V Current rating 18 A max 12 A max Power Output Watts (max) Weight (kg) Dimensions Height: 20 cm (7.9 in) Height: 20 cm (7.9 in) Width: 19 cm (7.5 in) Depth: 26.2 cm (10.3 in) Width: 19 cm (7.5 in) Depth: 26.2 cm (10.3 in) Frequency 60 Hz single phase 50/60 Hz single phase Normal operating voltage range (Green LED no switching) Switching point: low voltage limit Switching point: high voltage limit V V I/P below 106 V Boosted by 15 % (yellow LED) I/P above 123 V Reduced by 10 % (Red LED) I/P below 212 V Boosted by 15 % (yellow LED) I/P above 246 V Reduced by 10 % (Red LED) 7.2 Technical specifications Part number M M Model P P Maximum working range V V Normal input (Green LED) V V Low voltage limit (Yellow LED), boosted by 15 % High voltage limit (Red LED), reduced by 10 % Frequency Response time 1 Hysteresis 2 Operation requirement Altitude Input below 106 V Input above 123 V 60 Hz 2 seconds ±2.5 V Indoor use only Up to 2,000 meters Ambient temperature 5 C 40 C Maximum relative humidity Input below 212 V Input above 246 V 80 % RH up to ambient of 31 C, decreasing linearly to 50 % RH at 40 C

22 22 Technical data Enclosure Class 1 Installation category Pollution degree 2 Certifications 3 1 The unit will modulate incoming line voltage only if power fluctuation is sustained for more than 2 seconds. 2 Hysteresis refers to the fact that, due to a built-in delay, the unit will not switch at the exact voltage limits listed above, but rather within ±2.5 volts of the rated switching limits. 3: See page 26. II CE/UL 7.3 Spare parts Description Part number Fuse, 20mm, 1amp ceramic K Power switch locking cover with lock P Lock, for power switch cover K Key, for power switch cover lock P Power cord, for M /P , 120 V P (NEMA 5-20 Plug) Power cord, for M /P , 208/ P V (NEMA 6-15 Plug) Power cord, for M /P , 230 V (3P UK plug) Power cord, for M /P , 220 V (UK Schuko Plug) P P

23 Technical data Schematics and wiring diagrams Abb. 7-1: 120 V voltage stabilizer schematics Fig. 7-1: 120 V voltage stabilizer schematics

24 24 Technical data Abb. 7-2: 230 V voltage stabilizer schematics Fig. 7-2: 230 V voltage stabilizer schematics

25 Technical data Declaration of conformity WARNING! Any modification or changes made to this device, unless explicitly approved by Eppendorf, will invalidate the authorization of this device. Operation of an unauthorized device is prohibited under Section 302 of the Communications Act of 1934, as amended, and Subpart 1 of Part 2 of Chapter 47 of the Code of Federal Regulations. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio/tv technician for help

26 26 Technical data Declaration of Conformity The products named below fulfill the requirements of directives and standards listed. In the case of unauthorized modifications to the product or an unintended use this declaration becomes invalid. Product name: Voltage Stabilizer Product type: M Stand Alone Voltage Stabilizer 115V M Stand Alone Voltage Stabilizer 230V Relevant directives / standards: 2006/95/EC: EN , UL , CSA C22.2 No (US Voltage 60 Hz models) 2004/108/EC: EN FCC Part 15 Class B (US Voltage 60 Hz Models) 2011/65/EU 2012/19/EU Management Board Portfolio Management Date: November 25, 2013 Your local distributor: Eppendorf AG Hamburg Germany eppendorf@eppendorf.com ISO 9001 Certified ISO Certified ISO Certified M Eppendorf and the Eppendorf Logo are registered trademarks of Eppendorf AG Hamburg/Germany. All rights reserved incl. graphics and pictures. Copyright 2013 by Eppendorf AG.

27 Index 27 Index A Air flow...13 C Caution, explanation of...5 Connecting the power cord...14 Connecting to equipment...15 Copyright...2 D Danger, explanation of...5 F Frequency...21 Fuse replacement...17 G Green LED...16 Grounding...13 H Hazard symbols...5 L LED indicator meanings...15 Locations...13 M Manual conventions...5 Model information...21 O Overview... 9 P Product liability... 7 R Red LED Response time S Safety... 9 Schematics Spare parts Symbols used... 5 T Technical specifications Trademarks... 2 Troubleshooting U Using this manual... 5 V Voltage types W Warning, explanation of... 5 Y Yellow LED Model numbers...21 N Notice, explanation of...5

28 28 Index

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