GE VH UL series User manual

Critical Power
User Manual
Uninterruptible Power Supply
GE Consumer & Industrial SA
General Electric Company
CH –6595 Riazzino (Locarno)
Switzerland
T +41 (0)91 / 850 51 51
F +41 (0)91 / 850 52 52
www.gecriticalpower.com

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User manual
Uninterruptible Power Supply
On-Line VH Series UPS
700 –1000 –1500 –2000 –3000 UL / 120V
Please read these instructions carefully before installation and start-up of the
VH Series UPS. Keep this manual in a safe place for future reference.
Model:
VH Series UL
Issued by:
Product Document Department –Riazzino - CH
Approved by
R&D Department –Riazzino - CH
Date of issue:
01.05.2015
File name:
GE_UPS_OPM_VHU_0K7_3K0_XUS_V011
Revision:
1.1
Identification No.
SAP –1023054 / Local - 411254
Up-dating
Revision
Concerns
Date
1.0
Initial release
16.10.2012
1.1
Re-branding, ECN 2191
01.05.2015
© General Electric Consumer & Industrial SA. All rights reserved. The present publication and any other documentation supplied with the UPS system is
not to be reproduced, either in part or in its entirety, without the prior written consent of GE.
The information contained in this publication is intended solely for the purposes indicated.
The content of this manual may be subject to change without prior notice; no liability can be accepted for any error or omission. The illustrations and
plans describing the equipment are intended as general reference only and are not necessarily complete in every detail.
US

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Contents
1IMPORTANT SAFETY INSTRUCTIONS .....................................................................................................................4
1.1 SAVE THESE INSTRUCTIONS...................................................................................................................................................................................4
1.2 SAFETY WARNINGS AND SYMBOLS.....................................................................................................................................................................4
1.3 SAFETY RULES ...............................................................................................................................................................................................................5
1.4 TRANSPORT / STORAGE............................................................................................................................................................................................5
1.5 FCC COMPLIANCE STATEMENT .............................................................................................................................................................................5
2INTRODUCTION ........................................................................................................................................................6
2.1 INTRODUCTION.............................................................................................................................................................................................................6
2.2 INTENDED USE..............................................................................................................................................................................................................6
2.3 WARRANTY......................................................................................................................................................................................................................6
2.4 DIAGRAM..........................................................................................................................................................................................................................6
3INSTALLATION...........................................................................................................................................................7
3.1 PACKAGE CONTENTS .................................................................................................................................................................................................7
3.2 INSTALLATION RULES ................................................................................................................................................................................................7
3.3 INSTALLATION PREPARATIONS .............................................................................................................................................................................8
3.3.1 Vertical installation –preparations............................................................................................................................................................................................ 8
3.3.2 Rackmount installation - preparations.................................................................................................................................................................................... 9
3.4 REAR PANEL................................................................................................................................................................................................................. 10
3.5 INSTALLATION OF A BATTERY EXTENSION PACK....................................................................................................................................... 12
3.6 CONNECTIONS ........................................................................................................................................................................................................... 13
3.6.1 Connecting interface devices......................................................................................................................................................................................................13
3.6.2 Connecting power and load.........................................................................................................................................................................................................13
3.6.3 Connecting REPO (Remote Emergency Power Off) switch..........................................................................................................................................14
4OPERATION............................................................................................................................................................. 15
4.1 OPERATING PANEL................................................................................................................................................................................................... 15
4.2 START-UP...................................................................................................................................................................................................................... 16
4.2.1 Start-up, mains available...............................................................................................................................................................................................................16
4.2.2 Start-up, mains not available ......................................................................................................................................................................................................16
4.3 USE: NORMAL OPERATION ................................................................................................................................................................................... 16
4.3.1 Normal operation conditions ......................................................................................................................................................................................................16
4.3.2 No-load shutdown.............................................................................................................................................................................................................................16
4.3.3 Output frequency ...............................................................................................................................................................................................................................16
4.3.4 Switching off .........................................................................................................................................................................................................................................16
4.4 USE: STATUS AND ALARM INDICATIONS........................................................................................................................................................ 17
4.4.1 Standby....................................................................................................................................................................................................................................................18
4.4.2 Normal operation...............................................................................................................................................................................................................................18
4.4.3 eBoost operation ................................................................................................................................................................................................................................18
4.4.4 On bypass...............................................................................................................................................................................................................................................18
4.4.5 On battery...............................................................................................................................................................................................................................................18
4.4.6 Battery low (end of runtime).........................................................................................................................................................................................................18
4.4.7 Bypass out of limits ...........................................................................................................................................................................................................................18
4.4.8 Overload ..................................................................................................................................................................................................................................................19
4.4.9 Battery bad............................................................................................................................................................................................................................................19
4.4.10 General alarm ......................................................................................................................................................................................................................................19
4.4.11 Shutdown pending............................................................................................................................................................................................................................19
4.4.12 Startup pending ..................................................................................................................................................................................................................................19
4.4.13 P-N (Phase-Neutral) reversal .......................................................................................................................................................................................................19
4.4.14 REPO (Remote Emergency Power Off) ....................................................................................................................................................................................19
4.5 USE: SETUP MODE .................................................................................................................................................................................................... 20
4.6 BATTERY MANAGEMENT........................................................................................................................................................................................ 21
5COMMUNICATION ................................................................................................................................................. 22
5.1 USB PORT...................................................................................................................................................................................................................... 22
5.2 RJ11 PORT.................................................................................................................................................................................................................... 22
5.3 USB / RS232 / RELAY INTERFACE CARD (OPTION)..................................................................................................................................... 22
5.4 SNMP / WEB INTERFACE CARD (OPTION) ...................................................................................................................................................... 22
6MAINTENANCE....................................................................................................................................................... 23
6.1 SAFETY ........................................................................................................................................................................................................................... 23
6.2 GENERAL....................................................................................................................................................................................................................... 23
6.3 RECYCLING THE UPS AT THE END OF SERVICE LIFE................................................................................................................................. 23
6.4 BATTERIES .................................................................................................................................................................................................................... 23
7TROUBLESHOOTING.............................................................................................................................................. 24
8SPECIFICATIONS .................................................................................................................................................... 25

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1IMPORTANT SAFETY INSTRUCTIONS
1.1 SAVE THESE INSTRUCTIONS
This manual contains important instructions that should be followed during installation and maintenance of the UPS. It
also gives all necessary information about the correct use of the UPS. Before attempting to install and start up the UPS,
carefully read this manual. Keep this manual next to the unit for future references.
Full understanding of and compliance with the safety instructions and warnings contained in this
manual are the
ONLY CONDITIONS
to avoid any dangerous situation during installation, operation and maintenance work, and to
preserve the maximum reliability of the UPS system.
GE refuses any responsibility in case of non-observance, unauthorized alterations or improper use of the delivered UPS.
The instructions in this manual are for UPS models VH700 UL, VH1000 UL, VH1500 UL, VH2000 UL and VH3000 UL. Check
your model number by looking at the rear panel of your UPS. Any difference in instructions is clearly indicated in the text,
for instance ‘(VH1000 UL)’.
The UPS is not suitable for computer room application as per the standard NFPA75.
While every care has been taken to ensure the completeness and accuracy of this manual, GE accepts no responsibility
or liability for any loss or damage resulting from the use of the information contained in this document.
This document shall not be copied nor reproduced without the permission of GE.
Due to technical improvements, some of the information contained in this manual may be changed without notice.
1.2 SAFETY WARNINGS AND SYMBOLS
The text of this manual contains warnings to avoid risk to persons, to avoid damages to the UPS system and the supplied
critical loads. Do not proceed beyond these warnings if you do not fully understand or are not able to meet the
mentioned conditions. The non-observance of the warnings reminding hazardous situations could result in human injury
and equipment damage.
Please pay attention to the meaning of the following warnings and symbols.
Safety warnings
WARNING! Refers to procedures or operations which, when not correctly performed, could cause personal injury
or serious damage to the system.
CAUTION The product may be in danger: when procedures or operations are not correctly performed, damage
to the product may be the result.
NOTE Warns the user about important operations or procedures described in this manual.
Safety Symbols
DANGER OF ELECTRICALLY LIVE PARTS
Related to all situations with potentially hazardous voltage.
SAFETY WARNING
This symbol is used for Warnings, Cautions and Notes.

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1.3 SAFETY RULES
CAUTION! RISK OF ELECTRIC SHOCK
The UPS has an internal battery supply with a nominal voltage of 36/72Vdc (see chapter 8). The
appliance outlets may be electrically live, even when the UPS is disconnected from the mains.
The UPS contains potentially hazardous voltages. Do not open the unit, there are no user serviceable
parts inside.
CAUTION
There may be damage to the equipment if procedures and practices are not strictly observed and
followed.
NOTE
Do not attempt to service the UPS unless you have had proper training. Refer all maintenance and
servicing to properly qualified, skilled and competent service personnel.
Qualified, skilled personnel are persons who (because of their training, experience, and position as well as their
knowledge of appropriate standards, regulations, health and safety requirements and working conditions) are authorised
to be responsible for the safety of the equipment, at all times whilst carrying out their normal duties and are therefore
aware of, and can report, possible hazards (observe IEC 60364 and national wiring regulations and accident prevention
rules).
1.4 TRANSPORT / STORAGE
WARNING!
Please consider the weight of the UPS. Lift the box with the help of a second person; never try to lift it
by yourself!
No liability can be accepted for any transport damage when the equipment is shipped in non-original packaging.
Store the UPS in a dry location with the batteries in a fully charged state. Storage temperature must be within
-4 and 122F (-20 and +50 C). If the unit is stored for a period exceeding 3 months, optimal battery lifetime is
obtained if the storage temperature does not exceed 86F (30C).
If the unit is stored for an extended period of time, the batteries must be recharged periodically. Connect the unit to a
wall outlet and recharge the batteries for 24 hours:
- if the storage temperature is within -4 and 86F (-20 and +30°C): every 12 months,
- if the storage temperature is within -4 and 122F (-20 and +50°C): every 3 months.
CAUTION
In case of storage, pay attention to:
1.5 FCC COMPLIANCE STATEMENT
Note: 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 when the equipment
is operated in a residential environment. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment under
FCC rules.

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2INTRODUCTION
2.1 INTRODUCTION
The GE (General Electric) VH Series UPS, a truly on-line uninterruptible power supply, protects your equipment from all
forms of power interference, including complete power failures.
2.2 INTENDED USE
Uninterruptible Power Supplies (UPS) are designed to protect sensitive electronic equipment such as computers and
telecommunications equipment.
CAUTION
DO NOT plug household appliances such as electric heaters, toasters or vacuum cleaners into the UPS.
The UPS output is intended to be used only for electronic loads such as computers and
telecommunications equipment.
The technical data as well as information concerning connecting requirements can be found on the rating label and in
this document and shall be strictly observed.
2.3 WARRANTY
GE, operating through its authorised agents, warrants that the standard products will be free of defects in materials and
workmanship for a period as per contract specifications, starting from the date of the invoice.
NOTE
This warranty does not cover failures of the product which result from incorrect installation, misuse,
alterations by persons other than authorized agents, or abnormal operating conditions.
2.4 DIAGRAM
Fig. 2.4: Diagram

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3INSTALLATION
3.1 PACKAGE CONTENTS
The UPS shipping box contains:
VH Series UPS
4 plastic support parts
Mounting set
1 plastic front panel
2 plastic plugs
2 mounting brackets and screws
1 input power cord (700-2000VA)
1 USB cable
1 CD ROM with UPS monitoring software (see
chapter 5) and its manual
This manual
REPO Connector (see 3.6.3 / 4.4.14)
Inspect the UPS for damage after unpacking. If any damage is present please immediately notify the carrier and place of
purchase.
WARNING! In case of recognizable damage:
DO NOT connect any voltage to the unit
DO NOT put the unit into operation
Condensation may occur if the UPS system is moved directly from a cold to a warm environment. The UPS system must
be absolutely dry before being installed. Please allow an acclimatization time of at least two hours prior to installation.
Save the original packing material. No liability can be accepted for any transport damage when the equipment is shipped
in non-original packaging.
3.2 INSTALLATION RULES
NOTE
Before making any connection and switching on the VH Series UPS, please check the following conditions:
Your mains supply is 120 Volts and 50/60 Hz.
The total power demand of the connected equipment does not exceed the rated output power of the VH Series UPS
(refer to chapter 8 for the ratings).
The UPS is intended to be used in normal domestic and office situations.
The UPS must be powered from a single phase grounded socket-outlet. Do not use extension cords.
VH3000: This socket-outlet shall be installed near the equipment and shall be easily accessible.
Place cables in such a way that no one can step on or trip over them.
Avoid locations that are excessively humid, near water, near heat sources or in direct sunlight.
The ambient temperature should not exceed 104F (40C). Optimal battery lifetime is obtained if the ambient
temperature does not exceed 86F (30C).
It is important that ventilation air can move freely around and through the unit. Do not block the air vents.
Do not plug appliances such as electric heaters, toasters and vacuum cleaners into the UPS. The UPS output can be used
only for electronic loads such as computers and telecommunications equipment.
Be careful when connecting laser printers: be sure that the demanded power does not exceed the capacity of the UPS.
The sum of the leakage currents of the UPS and the connected loads should not exceed 3.5mA.
Connect only to short circuit and over-current protection branch circuit rated in accordance with the National Electric
Code, ANSI/NFPA 70, see following table:
UPS model
Branch protection
UPS model
Branch protection
VH1500 UL
20A
VH700 UL
15A or 20A
VH2000 UL
20A
VH1000 UL
15A or 20A
VH3000 UL
30A
CAUTION
To reduce risk of fire, connect the UPS only to a circuit provided with fuse values according to the
above

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3.3 INSTALLATION PREPARATIONS
The UPS can be used in a stand-alone tower format using the two supporting stands (section 3.3.1), or can be mounted in
a 19 inch rack using the two mounting brackets (section 3.3.2). All required items are included in the delivery.
NOTE
Please consider the weight of the UPS. Lift the unit with the help of a second person.
3.3.1 Vertical installation –preparations
1. Place the UPS horizontally on a table or desk.
2. Assemble the four parts of the plastic supports (and metal
rails in case of VH Series 1500-3000 VA) at the bottom side
of the UPS cabinet, using the 4 screws provided.
*The following two steps (3 and 4) must be performed by
qualified, skilled and service personnel only.
3. * Connect the DC connector of the internal batteries.
Battery block is 36V/72V and 7Ah/9Ah, as follows:
700VA - 3 x 7Ah, 36 V
1kVA - 3 x 9Ah, 36 V
1.5kVA - 6 x 7Ah, 72 V
2kVA - 6 x 9Ah, 72 V
3kVA - 6 x 9Ah, 72 V
4. *Assemble the front panel: insert the two metal clamps at
the rear of the panel into the holes at the upper side of
the UPS, then click the front panel into position.
Fix the front panel with the screw provided.
5. Place the UPS upright, and insert the two black plastic plugs
to cover the holes in the top panel of the UPS cabinet.
The VH Series UPS is now ready for further connections: proceed
with section 3.4.
Fig. 3.3.1: Installation preparations - Tower
2
1
3
4
5

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3.3.2 Rackmount installation - preparations
NOTE
Please consider the weight of the UPS prior to installation to ensure the rack is capable of supporting
the weight. We recommend that the UPS is placed in the lower half of the rack. Fit the unit into the
rack cabinet with the help of a second person.
1. Place the UPS horizontally on a table or desk.
2. Install the two mounting brackets that came
with the unit using the screws provided.
*The following two steps (3 and 4) must be
performed by qualified, skilled and service
personnel only.
3. *Connect the DC connector of the internal
batteries.
4. *Assemble the front panel: insert the two metal
clamps at the rear of the panel into the holes
at the right side of the UPS, then click the front
panel into position.
Fix the front panel with the screw provided.
5. Install the UPS into a 19’ rack. The UPS cabinet
must be supported by mounting rails, do not
mount it by using the mounting brackets only.
Fix the mounting brackets on the 19 inch
enclosure with screws.
The VH Series UPS is now ready for further
connections: proceed with section 3.4.
Fig. 3.3.2: Installation preparations - Rackmount
2
3
4

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3.4 REAR PANEL
Figure 3.4.a shows a VH3000 UL. The differences with the rear panel - configuration of other models is clearly indicated
in the text below.
1 Input socket –max. rating 20A
AC mains supply to the UPS
700-1000VA: IEC-C14
1500-2000VA: IEC-C20
1a Input plug –max. rating 30A
AC mains supply to the UPS
Type: NEMA L5-30P
2 Input thermal circuit breaker
Protects the UPS from damage caused by
high input currents
2a Output thermal circuit breaker
3 Appliance outlets - max. rating 20A
To connect the loads to the UPS.
Type: NEMA 5-20R
700 VA: 4 outlets
1000-3000 VA: 6 outlets
3a Appliance outlet :
2000 VA:
Type: NEMA L5-20R / max. rating 20A
3000 VA:
Type: NEMA L5-30R / max. rating 30A
4 DC connector (not on VH700 UL)
To connect a battery extension pack for
extended battery runtime
5 Fan(s)
Electronically controlled cooling fan(s).
Make sure ventilation air can move freely
around and through the UPS.
6 USB port
See 5.1 for more information
7 RJ11 port
See 5.2 for more information
8 REPO (Remote Emergency Power OFF)
Fig. 3.4.a: Rear panel VH3000 UL - Tower
5
3
1a
2
7
6
3a
8
2a
4

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Please refer to the previous page for more information.
Fig. 3.4.b: Rear panels VH2000 UL. VH1500 UL, VH1000 UL and VH700 UL–Rack mount orientation
7
1
3
4
5
6
2
2000VA
1500VA
1000VA
700VA
8
7
1
3
4
5
6
2
8
7
3
4
5
6
2
1
3a
8
7
1
3
5
6
2
8

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3.5 INSTALLATION OF A BATTERY EXTENSION PACK
With a battery extension pack you can increase the battery runtime of the UPS. If you do not install a battery extension pack
please skip this section and proceed with 3.6.
NOTE
The battery extension packs are suitable if connectable to circuits directly connected to mains and
compliant with the following:
Nominal Voltage (Vdc): 36 (700 - 1000 VA) / 72 (1500 –3000 VA)
Nominal Capacity (Ah): 14
Recharge Current (A): 1.5
The following actions must be performed by qualified and skilled personnel only.
1. Before installation, check whether the nominal voltage of the battery
pack is suitable for the UPS: the voltage mentioned on the label on the
battery drawer of the UPS and the one on the rear panel of the battery
extension pack (36 Vdc or 72 Vdc) should match.
2. Make sure that the battery breaker on the rear side of the battery
pack is in the “OFF” position.
3. UPS and battery pack can be mounted together in one set of
mounting supports (for rack mount see 3.3.2).
4. At the rear side the UPS and battery pack can be coupled using the
coupling bracket that came with the battery pack.
5. Connect the DC connector of the battery pack to the DC socket of
the UPS (fig. 5a and 5b). You will hear a click when the cable is
properly connected. Block the DC connector: install the small
locking plate that came with the battery pack, and fasten it with
the screw provided.
6. Connect the DC connectors at the front side of the battery pack
similar to UPS (See 3.3.1 step 3).
7. Assemble the front panel: insert the two metal clamps at the rear of
the panel into the holes at the upper side of the UPS, then click the
front panel into position. Fix the front panel with the screw provided.
8. Turn the battery breaker at the rear side of the battery pack into
position “ON” to complete installation.
Fig. 3.5: Installing battery extension pack(s) to the UPS
1-2
3
4
5a
5b
7

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3.6 CONNECTIONS
3.6.1 Connecting interface devices
.If you do not want to use the communication capabilities of the UPS, please skip this section and proceed with 3.6.2.
The UPS is equipped with two interface ports: a USB port and an RJ11 port, allowing advanced communication between
the UPS and a computer (network). Refer to chapter 5 for more detailed information.
3.6.2 Connecting power and load
NOTE
The UPS output sockets can be live as soon as the UPS is connected to the main power supply, even if
the UPS has not been switched on via the front panel.
The socket outlet shall be installed near the equipment and shall be easily accessible
1 Switch off your computer, and unplug it from the socket-outlet.
Fig. 3.6.2: Connecting power and load
NOTE
Grid supply is 120 Volt, 50/60 Hz,
fused (see section 3.2)
2 Disconnect the power cord from the computer (see note below) and
connect this cord to the male input socket (1, fig. 3.4.b) at the rear of
the UPS.
VH3000 UL only: connect the cable to the wall socket (1a, fig. 3.4.a).
3 Add up the power consumption (in VA) of the appliances that will be
protected by the UPS (‘the load’) and make sure that the resulting value
does not exceed the VA output rating of the UPS. This way you ensure
that the UPS is able to supply the required output and prevent that an
overload situation will happen.
4. Using the output cords (see note below) connect the load to the
appliance outlets (3 & 3a, fig. 3.4.a/b) of the unit. Spread the loads over
the appliance outlets as equally as possible. If you use a distribution
box to connect more than one appliance per outlet, please note that
the maximum AC-current ratings of each appliance outlets is 20A, and
30A for the VH3000 UL (3 & 3a, fig. 3.4.a/b).
5 Connect the mains cord of the UPS to a working, grounded AC wall
socket outlet. The green LED ‘operation’ will blink now: mains power is
available and the batteries are charging. If the LED does not blink but
illuminates continuously instead, press keypad ‘0’ for one second.
If both LEDs ‘operation’ and ‘alarm’ blink and the beeper sounds
1/2secs, phase and neutral are reversed at the input of the UPS.
Please read 4.4.13 and take appropriate measures.
For best results, allow the UPS to recharge the batteries during a period
of approx. 2 hours. It is acceptable to use the UPS without first charging
the battery, but the runtime may be reduced.
NOTE:
To connect UPS and loads use cables meeting the below requirements:
Detachable UL Listed, SJT Type flexible cord with grounding type plug, maximum 14.76 ft. (4.5m) long.
Cord type and ratings as per the table below:
UPS Model
AC Power Cord
UPS Outlet
Rating (Minimum)
Plug Type
Connector Type
VH700 UL
VH1000 UL
125V / 10A
NEMA (L)5-15P or
NEMA (L)5-20P
IEC C13
NEMA 5-20R
VH1500 UL
125V / 15A
NEMA (L)5-15P or
NEMA (L)5-20P
IEC C19
NEMA 5-20R
VH2000 UL
125V / 20A
NEMA (L)5-20P
IEC C19
NEMA 5-20R and NEMA L5-20R
VH3000 UL
125V / 30A
NEMA L5-30P
-
NEMA 5-20R and NEMA L5-30R
2
5
4

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3.6.3 Connecting REPO (Remote Emergency Power Off) switch
REPO can be used to remotely shut down the UPS using the connector provided on the rear panel of the UPS
(8, fig. 3.4.a/b). Figure 3.6.3 shows all suitable connections on the REPO Connector.
1. Remove the cable link from the male connector that came with the unit
2. Connect a switch to the male connector, the switch should be of Normally Closed type for normal operation.
3. Place the male connector to the connector on the rear panel of the UPS (8, fig. 3.4.a/b.)
4. When the switch is opened, the UPS will shut down. More information is given in section 4.4.14
WARNING!
The REPO Contact is a Safety Extra Low Voltage Circuit. Connect it only to a SELV Circuit.
NOTE
Use standard Low Voltage Cable in accordance with National and local regulations.
Fig. 3.6.3: REPO connections
NOTE
To maintain the security of the SELV circuit be sure to use the following
(only for qualified, skilled and service personnel) :
Wire type: UL Style 1015, 86  F(10°C), 600 VAC
Minimum wire: AWG 26
Maximum wire: AWG 16
Torque: 3.0 lb-inch

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4OPERATION
4.1 OPERATING PANEL
Fig. 4.1: Operating panel
switch / LED main function
1 - ‘on’ switch switches on the UPS, starts quick battery test (see 4.6)
2 - ‘off’ switch switches off the UPS
3 - LED ‘operation’ on when the UPS is operating
blinks if the UPS is in standby mode
4 - LED ‘on bypass’ on when the UPS operates in bypass mode: the incoming mains power is channeled
directly to the load
5 - LED ‘on battery’ on in case of battery operation: the mains power fails, and the internal batteries
supply the required power until either they are depleted or mains power returns.
6 - LED ‘alarm’ blinks in case of an alarm
7 - LED bar ‘runtime capacity’ the remaining available battery runtime for the actual load, in % of the maximum
runtime with the actual load
8 - LED bar ‘load’ indicates to what extent the output capacity of the UPS is used by the actual load. If
e.g. the 25% and 50% LED are on, the load exceeds 50% of the maximum load. If all
4 LEDs are on the unit operates in overload. As this is an abnormal situation the
alarm LED will blink as well.
More info in section 4.3.2 and 4.4.8.

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4.2 START-UP
4.2.1 Start-up, mains available
Via front panel:
press keypad 'I' (1, fig. 4.1) briefly; LED ‘operation’ (already slowly blinking) will at first blink faster and after a few
seconds it will illuminate continuously, indicating that the unit has started up.
Via UPS monitoring software:
startup after delay, see 4.4.12 for more information. The equipment connected to the UPS can now be switched on.
The UPS will not start-up if "Phase Neutral reversal" indication is present (see section 4.4.13).
4.2.2 Start-up, mains not available
If the mains input is absent (power cord not connected, or mains failure):
Press keypad 'I' until the buzzer sounds. The LEDs ‘operation’ and ‘on battery’ will illuminate. The UPS operates on battery: it
discharges the batteries. See 4.4.5 for further details about this operating mode.
4.3 USE: NORMAL OPERATION
4.3.1 Normal operation conditions
the mains supply is present,
the UPS is on,
the load does not exceed the capacity of the UPS and
the operating temperature is below alarm level
4.3.2 No-load shutdown
If this function is activated, the UPS will switch off during a mains failure when the load is less than 5% of the maximum load.
In this way unnecessary discharging of the batteries is avoided. The unit will automatically turn on again when mains power
is restored. The default setting of the no-load shutdown function is: disabled. The setting can be changed using the UPS
monitoring software. For more information please refer to the manual that came with the software.
If the no-load shutdown function is activated and the load is smaller than the 5% threshold, the ‘25%’ load LED will blink to
warn you that the unit will switch off during a mains failure.
4.3.3 Output frequency
At power up default enabled "Auto" frequency detection updates output frequency setting by comparing it with input
frequency. Only stable 50 or 60 Hz frequencies are valid, otherwise previous setting is kept (60 Hz at first start up). Setting
output frequency to 50 or 60 Hz with the UPS monitoring software disables the "Auto" frequency detection.
NOTE
The unit can be used as a frequency converter: the input frequency range is 45-66Hz, the output
frequency is selectable 50/60Hz. If the unit is used as a frequency converter, the bypass function is no
longer available. As a result an audible alarm will be generated continuously (see 4.4.7). To avoid this,
we advise to disable the bypass.
WARNING!
Changing of the output frequency can cause severe damage of equipment connected to the
appliance outputs of the UPS: Be sure that the new frequency is suitable for the connected equipment!
Please refer to section 4.5 to set/check your output frequency.
4.3.4 Switching off
Via operating panel:
Press keypad ‘0’ (2, fig. 4.1) for 1 second. If the UPS is switched off the output will always be absent for a few seconds
to ensure that the connected equipment is able to reboot.
Using UPS monitoring software:
Shutdown after delay.
If electric isolation is required, unplug the power cord from the wall outlet.

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4.4 USE: STATUS AND ALARM INDICATIONS
o status indications the operating mode
! low priority alarms abnormal operating situations
!! high priority alarms situations in which the actual output voltage of the UPS is no longer guaranteed; immediate
action should be taken
Situation
Indicators on front panel (fig. 4.1)
o
Standby (4.4.1)
- - -
o
Startup pending (4.4.12)
- - - - -
o
Normal operation (4.4.2)

0 - 4

0 - 3

o
eBoost operation (4.4.3)

0 - 4

0 - 3

!!
On bypass (4.4.4)


- - - - -
0 - 4

0 - 4

- - - - -
hi
o
On battery (4.4.5)


0 - 4

0 - 4

- - - - -
lo
!!
Battery low (4.4.6)


- - - - -
25%
- - - - -
0 - 4

- - - - -
hi
!
Bypass out of limits
(4.4.7)

- - - - -
- - - - -
0 - 4

0 - 4

- - - - -
lo
!!
Overload (4.4.8)

- - - - -
0 - 4

4 
- - - - -
hi
!
Battery bad (4.4.9)

- - - - -
- - - - -
0 - 4

0 - 4

- - - - -
lo
!/!!
General alarm (4.4.10)

- - - - -
0 - 4

0 - 4

- - - - -
lo / hi
o
Shutdown pending
(4.4.11)
- - - - -
0 - 4

0 - 4

- - - - -
lo
o
No-load shutdown
enabled, load < 5% (4.3.2)

25%
- - - - -
!!
Input Phase-Neutral
reversed (4.4.13)
- - - - -
- - - - -
- - - - -
hi
!!
REPO (Remote
Emergency Power Off)
(4.4.14)




0 - 4

0 - 4

- - - - -
hi
Operating modes and corresponding indications, see 4.3.2 and 4.4.1 –4.4.14.
- - - - = intermittent
 = continuous
0 - 4 = number of LEDs that can be on, depending on runtime capacity / load
25% = LED 25% is blinking
hi = 1 / 2 secs
lo = 1 / 5 secs
mute buzzer: press push button ‘I’ briefly

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4.4.1 Standby
The UPS output is off, but the batteries are charging, see 3.6.2 step 5
4.4.2 Normal operation
See 4.3.1.
4.4.3 eBoost operation
As long as the mains is suitable for the load, the UPS is able to operate in a “green”, high efficiency operating mode: the UPS
supplies the load from bypass, while keeping ready for operation in double conversion. You can adjust the setting of the
eBoost function using the Configuration tool provided on CD.
The output voltage range is -10% ~ +5% of nominal, while the frequency range is +/-5% of nominal (the latter can be
configured to +/-1%). Both voltage and frequency have to be OK for 5 seconds before eBoost operation is accepted. To
protect the load from repetitive oscillations of an unstable grid, eBoost operation will be inhibited for 10 minutes if mains is
disturbed more than twice in 30 seconds.
4.4.4 On bypass
The UPS is equipped with an automatic bypass switch. This switch automatically transfers the load to the mains if the UPS is
unable to deliver the demanded output power due to overload or overtemperature.
If all 4 load LEDs illuminate, bypass operation is caused by an overload. If only green load LEDs illuminate (the red load LED is
off), bypass operation is caused by over temperature. Take appropriate measures: reduce load and/or temperature.
The UPS will switch back to normal operation when the overload has been removed or the temperature has dropped below
alarm level.
If a power failure occurs during bypass operation, the UPS will switch to battery operation and eventually, when the
batteries are depleted, output power is lost.
The bypass function can be disabled - see 4.4.7 and 4.5 for further details.
Fail safe bypass operation: if the UPS becomes defective, the load may be switched to bypass (provided that the bypass
function was not disabled). As the status of the UPS is unknown in this situation the indications on the operating panel may
differ.
4.4.5 On battery
The UPS uses the energy stored in the batteries: see section 8 ‘Batteries - runtime’.
The runtime capacity LED bar will show the remaining runtime. The UPS will shutdown:
after the batteries have been discharged (automatic restart), or
if keypad 'O' is pressed (restart via front panel required) or
if a 'UPS shutdown' command is given by the computer (automatic restart)
Automatic restart depends on the setting of the ‘auto restart’ function:
- if set ‘on’ the UPS will automatically restart when the mains returns
- if set ‘off’ a manual restart is required, as in 4.2.1.
As default the ‘auto restart’ function is ‘enabled’. The setting can be changed using the UPS monitoring software. For
more information please refer to the manual that came with the software.
4.4.6 Battery low (end of runtime)
If during ‘on battery’ operation the 25% LED starts blinking, the batteries are nearly discharged: the remaining runtime is less
than 2 minutes (default setting, adjustable via the UPS monitoring software). Controlled shutdown of any computer
equipment is absolutely necessary at this point. If the UPS operates at 100% load, the shutdown procedure should be
completed within 2 minutes after the 'battery low' alarm started. If only part of the output capacity of the UPS is used this
period can be longer, with aged batteries this period can be shorter.
When the batteries are fully discharged, the UPS is no longer able to power the connected equipment.
4.4.7 Bypass out of limits
The mains voltage or mains frequency are outside bypass input tolerance but inside UPS input tolerance (see section 8).
Bypass operation is inhibited: if for whatever reason the UPS is not able to deliver the required output, output power is lost. If
the input frequency is often out of tolerance –during which bypass operation is inhibited and an alarm is generated –it may
be useful to disable the bypass function after which the unit operates as a UPS without automatic bypass switch. See 4.5.

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4.4.8 Overload
The demanded power exceeds the normal capacity of the UPS. The alarm occurs when the load is > 100%. If the load
exceeds 150% the UPS will immediately switch to bypass, assuming that the conditions for a transfer to bypass are fulfilled.
If an overload condition between 110-150% persists, the UPS will also switch to bypass operation.
During an overload the UPS may automatically switch off within a few minutes (load dependent) and output power is lost:
if a transfer to bypass is inhibited (see 4.4.7), or
if the bypass function has been disabled (see 4.5), or
if the UPS operates on battery (see 4.4.5).
To avoid these problems, be absolutely certain that the power demands of the protected equipment are within the limits of
the UPS.
4.4.9 Battery bad
Either the batteries are almost chemically worn out or the battery wiring, including the battery fuse, is faulty. If the batteries
are aged, they must be replaced as soon as possible to ensure full protection for your equipment. Perhaps the 'battery bad'
alarm occurs after a test which you started immediately after installation or after a power failure. In this case the alarm may
be incorrect as the batteries have been (partly) discharged during transport or storage / during the power failure. Allow the
UPS to recharge the batteries. See also 4.6.
4.4.10 General alarm
‘General alarm’ comprises a group of alarms; the buzzer behaviour indicates which alarm is active:
1 / 2 secs: General fault
Overload (see 4.4.8)
Overtemperature
Output out of tolerance
1 / 5 secs: Charger failure
Bypass out of limits (see 4.4.7)
Battery bad (see 4.4.9)
4.4.11 Shutdown pending
The UPS monitoring software allows you to switch the UPS into standby mode after a programmable delay time. During
countdown the ‘operation’ LED will blink 2x per second and the buzzer will beep every 5 seconds.
4.4.12 Startup pending
The UPS monitoring software allows you to start up UPS after a programmable delay time. During this delay time the
‘operation’ LED will blink 2x per second.
4.4.13 P-N (Phase-Neutral) reversal
If the P-N reversal indication is enabled, the UPS will indicate whether the voltage between Neutral and Earth (Ground) at the
UPS input exceeds a certain voltage (i.e. Phase and Neutral at the UPS input are reversed in an earthed/grounded Neutral
system). In this potentially unsafe situation both LEDs ‘operation’ and ‘alarm’ will blink fast and the buzzer will sound.
Reversing the mains plug will prevent this unsafe situation and will cancel the alarm. In case of non-earthed/grounded
Neutral system this indication should be disabled.
The P-N reversal indication is by default enabled. Changing of the setting is described in section 4.5.
4.4.14 REPO (Remote Emergency Power Off)
REPO can be used to remotely shut down the UPS using the REPO connector provided at the rear side of the UPS
(8, fig. 3.4.a/b). See section 3.6.3 for installation instructions.
The REPO functionality is by default disabled and can be enabled by using the Configuration tool.
If a normally closed switch, connected to the REPO connector, is opened, the UPS will shut down. All LEDs on the front
panel will be on and the buzzer will beep 1x / 2 seconds.
After a REPO shutdown, restart the UPS as follows:
1. Close the switch connected to the REPO connector.
2. Press the “ON” switch briefly (1, fig. 4.1).

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4.5 USE: SETUP MODE
The setup mode can only be entered if the UPS is in ‘standby’ -mode: connected to a live wall outlet and switched off (LED
'operation' blinks).
1 Press keypad 'O' and keep it pressed while pressing 'I' simultaneously. Release both buttons.
The setup sequence starts with the setup of the output voltage, indicated by a blinking LED ‘operation’.
2 Scroll through the four functions with keypad 'I', one of the LEDs ‘operation’, ‘on bypass’, ‘on battery’ or ‘alarm’ will
blink, indicating which function has been selected (see fig. 4.5).
3 Toggle the setting of the selected function by pressing switch 'O'. The LEDs on the LEDbar ‘runtime capacity’ shows
the setting.
4 Store the new settings and leave the setup mode: press keypad '0' and keep it pressed while pressing 'I'
simultaneously. Release both buttons.
Fig. 4.5: Setup menu
*DEFAULT SETTING
60 Hz
auto*
50 Hz
Output
frequency
disabled*
enabled
Bypass
enabled*
disabled
Output voltage
100 Vac
120 Vac*
127 Vac
Phase –Neutral
reversal
110 Vac
115 Vac