www.mgeups.com
MGE UPS SYSTEMS
Comet
EX 5 RT 3:1
EX 7 RT 3:1
EX 11 RT 3:1
Installation and user
manual
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34007724EN/AA - Page 1
Introduction
Thank you for selecting an MGE UPS SYSTEMS product to protect your equipment.
The Comet EX RT range has been designed with the utmost care.
We recommend that you take the time to read this manual to take full advantage of the many features of your UPS.
Warning: this is a class A UPS product. In a domestic environment, this product may cause radio interference, in which
case, the user may be required to take additional measures.
If the device must be installed in overvoltage category III or IV environments, additional upstream overvoltage protection
must be provided for.
To discover the entire range of MGE UPS SYSTEMS products and the options available for the Comet EX RT range,
we invite you to visit our web site at www.mgeups.com or contact your MGE UPS SYSTEMS representative.
Environmental protection
MGE UPS SYSTEMS cares about the environmental impact of its products and has therefore implemented an eco-design
process for the entire life cycle of the Comet EX RT product: design, usage and recycling.
Using this document
Information may be found primarily by checking:
◗ the contents,
◗ the index.
Icons
Important instructions that must always be followed.
Information, tips, help.
Visual indication.
Action.
Audible alarm.
In the illustrations on the following pages, the symbols below are used:
LED off.
LED on.
Page 2 - 34007724EN/AA
LED flashing.
Contents
1. Presentation
1.1 Standard configurations .............................................................................................................. 5
Tower configuration......................................................................................................................... 5
Rack configuration .......................................................................................................................... 5
1.2 Rear panels.................................................................................................................................... 6
Power module Comet EX 5 RT / EX 7 RT / EX 11 RT .................................................................... 6
Battery module Comet EXB 7 RT / EXB 11 RT............................................................................... 6
1.3 Display and control panel ............................................................................................................ 7
1.4 Options .......................................................................................................................................... 7
Rack mounting kits.......................................................................................................................... 7
Transformer for galvanic isolation or earthing arrangement change .............................................. 8
Battery extensions for UPS backup times up to 60 minutes ........................................................... 9
CLA module (Long backup time charger) for backup times from 2 to 8 hours ................................ 9
Modules integration system .......................................................................................................... 10
Battery module with Remote Emergency Power Off function (REPO) ......................................... 10
Battery extension cable (1,8 m / 6 ft) ............................................................................................ 10
2. Installation
2.1 Unpacking and parts check ....................................................................................................... 11
Power module ............................................................................................................................... 11
Battery module .............................................................................................................................. 11
2.2 Installation in tower configuration ............................................................................................ 12
2.3 Installation in rack configuration .............................................................................................. 13
Adjustment of the orientation of the logo and control panels ........................................................ 13
Battery module rack mounting (optional rail required) .................................................................. 13
Power or battery module rack mounting (optional rail required) ................................................... 14
2.4 Communication ports ................................................................................................................. 16
Connection to the RS232 communication port ............................................................................. 16
Connection to the communications port by relays ........................................................................ 16
Remote Power Off communication port ........................................................................................ 17
Installation of communication cards (optional, standard with the Network Pack version)............. 17
2.5 Installation depending on the system earthing arrangement (SEA) ...................................... 18
UPS with common Normal and Bypass AC inputs........................................................................ 18
UPS with separate Normal and Bypass AC inputs ....................................................................... 18
UPS with separate Normal and Bypass AC inputs, supplied by separate sources....................... 19
Frequency converter (without Bypass AC input)........................................................................... 19
Hot standby ................................................................................................................................... 19
2.6 Required protective devices and cable cross-sections .......................................................... 20
Recommended upstream protection ............................................................................................. 20
Recommended downstream protection ........................................................................................ 20
Required cable cross-section........................................................................................................ 20
2.7 Connections of input/output power cables .............................................................................. 21
UPS with common Normal and Bypass AC sources..................................................................... 21
UPS with separate Normal and Bypass AC sources .................................................................... 22
Frequency converter ..................................................................................................................... 23
Connection of battery cables ........................................................................................................ 24
Connection of galvanic isolation transformer ................................................................................ 24
Connection of CLA module ........................................................................................................... 25
34007724EN/AA - Page 3
Contents
3. Operation
3.1 Initial start up .............................................................................................................................. 26
UPS personalisation ..................................................................................................................... 26
Accessing personalisation with front panel buttons ...................................................................... 26
Access to the personalisation through external software.............................................................. 27
3.2 Final start up sequence .............................................................................................................. 27
3.3 Operating modes ........................................................................................................................ 28
Normal (double conversion) mode ................................................................................................ 28
Eco mode ...................................................................................................................................... 28
3.4 Operation on battery power ....................................................................................................... 29
Transfer to battery power .............................................................................................................. 29
Threshold for the low-battery warning...........................................................................................29
End of backup time ....................................................................................................................... 29
3.5 Return of Normal AC source...................................................................................................... 29
3.6 Shut down.................................................................................................................................... 30
4. Maintenance
4.1 Troubleshooting.......................................................................................................................... 31
4.2 Hot-swapping the power module .............................................................................................. 32
Disconnecting the power module ..................................................................................................32
Reconnecting the power module .................................................................................................. 33
4.3 Hot-swapping the battery module ............................................................................................. 33
Disconnecting the battery module................................................................................................. 33
Reconnecting the battery module .................................................................................................33
4.4 Training center ............................................................................................................................ 34
5. Appendices
5.1 Technical specifications ............................................................................................................. 35
Electrical characteristics ............................................................................................................... 35
Thermal characteristics ................................................................................................................. 38
5.2 Glossary....................................................................................................................................... 38
Page 4 - 34007724EN/AA
1.1 Standard configurations
Tower configuration
1. Presentation
Dimensions in mm/inches
(H x W x D)
Comet EX 5 RT
Comet EX 7 RT
Comet EX 11 RT
Comet EXB 7 RT
Comet EXB 11 RT
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Comet EX 11 RT
Comet EXB 7 RT
Comet EXB 11 RT
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Battery module
(Comet EXB 7 RT / EXB 11 RT)
444 x 131 x 635
17.49" x 5.16" x 25"
Weight in kg/lbs
22.5 / 49.6
27.5 / 60.6
64.5 / 142
68.5 / 151
Power module
(Comet EX 5 RT / EX 7 RT / EX11 RT)
Rack configuration
Power module (Comet EX 5 RT / EX 7 RT / EX11 RT)
Dimensions in mm/inches
(H x W x D)
Comet EX 5 RT
Comet EX 7 RT
131 (3U) x 444 x 635
5.16" (3U) x 17.49" x 25"
Comet EX 11 RT
Comet EXB 7 RT
Comet EXB 11 RT
Weight in kg/lbs
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Comet EX 7 RT
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Comet EX 11 RT
Comet EXB 7 RT
Comet EXB 11 RT
27.5 / 60.6
64.5 / 142
68.5 / 151
Battery module
(Comet EXB 7 RT / EXB 11 RT)
34007724EN/AA - Page 5
1. Presentation
1.2 Rear panels
Power module Comet EX 5 RT / EX 7 RT / EX 11 RT
Slot for communication cards.
1
2
3
4
5
1
2
Communication port by relays.
Remote Emergency Power Off communication port (REPO).
3
Connectors for automatic detection of battery module(s).
4
5
RS232 communications port.
Battery module connectors (to the UPS or to other battery
6
modules).
6
NORMAL
PASS
BY
7
10
9
8
11
Battery module Comet EXB 7 RT / EXB 11 RT
4
7
Manual Bypass switch.
8
Output terminal block.
9
Normal AC source circuit-breaker.
10
Normal AC source terminal block.
11
Bypass AC source terminal block.
Connectors for automatic detection of battery module(s).
4
Battery module connectors (to the UPS or to other battery
6
modules).
12
Battery circuit breaker.
Page 6 - 34007724EN/AA
6
12
1.3 Display and control panel
1. Presentation
13 14 15 16
E X 1 1 R T 3:1
LOAD LEVEL
4 kW / 5 kVA
OFF
18 19 20 21
ON
Load protected LED.
13
14
Operation on battery LED.
Operation on bypass LED.
15
Fault LED.
16
17
Alphanumeric display.
UPS OFF button.
18
17
19 20
Function buttons (scroll up / scroll
down).
21
UPS ON button (or function button in
personalisation mode).
1.4 Options
Rack mounting kits
Telescopic rails for Power module mounting in 19" enclosure with mounting hardware
(Part number 68001)
22
Telescopic rails for Battery module mounting in 19" enclosure with mounting hardware
(Part number 68002)
22
23
24
23
25
25
Ear hangup.
22
23
Rear bracket system for transportation.
24
Telescopic rails, 639 mm to 1005 mm
length (27.36" to 39.96").
25
Input/Output box bracket system.
Ear hangup.
22
23
Rear bracket system for transportation.
24
Telescopic rails, 639 mm to 1005 mm
length (27.36" to 39.96").
34007724EN/AA - Page 7
1. Presentation
Transformer for galvanic isolation or earthing arrangement change
(Part number 68003)
This module is necessary either when a downstream neutral system from the UPS upstream is required, or when a
different power source connects the automatic bypass for higher availability.
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Example of EX RT transformer connected upstream for Comet EX RT galvanic isolation
Battery module (Comet EXB RT)
Power module
(Comet EX 5 RT / EX 7 RT / EX 11 RT)
Transformer module (Comet EX RT)
Normal AC input
NORMAL
PASS
BY
UPS output to load
Bypass AC input
Page 8 - 34007724EN/AA
1. Presentation
Battery extensions for UPS backup times up to 60 minutes (at full load)
Comet EX RT offers a standard backup time of 5/9 minutes at full load.
To increase backup time, it is possible to connect Comet EXB 7 RT / EXB 11 RT modules to the UPSs.
Battery extensions for Comet EX 5 RT, Comet EX 7 RT or Comet EX 11 RT
Comet EX 5/7 RT
+ EXB 7 RT
Comet EX 11 RT
+ EXB 11 RT
5 kVA: 9 min 26 min 42 min 60 min 72 min 87 min
7 kVA:
11 kVA:
/
7 min
5 min
Comet
EXB 7 RT
+++
/
Comet
EXB 11 RT
20 min
14 min
Comet
EXB 7 RT
/
Comet
EXB 11 RT
32 min
22 min
Comet
EXB 7 RT
/
Comet
EXB 11 RT
45 min
30 min
Comet
EXB 7 RT
+ +
/
Comet
EXB 11 RT
57 min
42 min
CLA module (Long backup time charger) for backup times from 2 to 8 hours
(Part number 68004)
Very long backup times, from 2 to 8 hours at full load, require a Comet EX RT CLA module.
Comet
EX RT CLA
~
Comet
EX 5 RT /
EX 7 RT /
EX 11 RT
NORMAL
PASS
BY
50A
Comet
EXB 7 RT
/
Comet
EXB 11 RT
70 min
53 min
Battery backup time
2 hours
4 hours
8 hours
Total battery voltage : 240 V DC (20 x 12V DC).
The battery capacity must be set within the UPS (5 Ah increment possible, see UPS Personalisation section).
Recommended batteries for:
Comet EX5 RT
50 Ah
100 Ah
200 Ah
Comet EX7 RT
65 Ah
130 Ah
260 Ah
Comet EX11 RT
100 Ah
200 Ah
400 Ah
34007724EN/AA - Page 9
1. Presentation
Modules integration system (Part number 68005)
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Transformer module
Power module
Batteries modules
Modules integration system for extended
backup time configurations to conveniently
stack and secure up to 8 modules on the
same cart (swivel wheels with brakes,
leveling feet, seismic side panels, plates to
lock modules and screws included).
Battery module with Remote Emergency Power Off function (REPO)
Part number:
EXB 7 RT EPO: 68079.
EXB 11 RT EPO: 68119.
Battery circuit breaker with Remote Emergency Power OFF shunt trip.
12
Battery extension cable (1,8 m / 6 ft, Part number 68006)
This extended battery cable will be used instead of the standard battery cable when battery modules are distant from each
other (located in two different enclosures, for instance).
Page 10 - 34007724EN/AA
2.1 Unpacking and parts check
Power module
2. Installation
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30
Battery module
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Two sets of tower stands.
RS232 communications cable.
23
Product documentation.
24
Telescopic rails for rack enclosure with
25
mounting hardware (optional, or standard with
Network Pack version).
26
Solution-Pac power management suite CD-
ROM.
25
31
IP=
MAC=00E0D8FF855E
Card Settings
100 10
UPS
data
Reset
1 2
ON
RS232 Download
RS232
ETHERNET
66074
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Tower stand expanders.
27
28
Battery cable.
Battery communication cable.
29
Input/Output junction box (with 11 insulated ferrules).
30
Network Management card (optional, or standard in Network
31
25
24
Pack version).
32
Bezel screw driver.
Packaging must be destroyed according to waste management standards. Recycling icons are displayed for easy
selection.
A dangerous voltage is present inside the power module and the battery module. Any operations to be carried out
on these modules must be done so by qualified staff.
34007724EN/AA - Page 11
2. Installation
2.2 Installation in tower configuration
Use the tower stand template provided with the battery module.
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Follow steps 1 to 4 to adjust the tower stands for the upright position.
4
Page 12 - 34007724EN/AA
2.3 Installation in rack configuration
We recommend to mount the battery module first, then mount the power module above the battery module.
Adjustment of the orientation of the logo and control panels
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2. Installation
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Battery module rack mounting (optional rails required, part number: 68002)
The battery module is very heavy. To ease its rack integration, we strongly recommend to remove the battery trays as
explained below:
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34007724EN/AA - Page 13
2. Installation
5
6
Power or battery module rack mounting (optional rails required, part number: 68001)
Follow steps 1 to 4 for rack mounting the UPS onto the rails.
3
3
3
3
2
1
4
Page 14 - 34007724EN/AA
The rails and the necessary mounting hardware are supplied by MGE UPS SYSTEMS.
Note for step 1: it is possible to adjust the position of both front mounting ears.
1
4
Rear bracket system (included with rail kits, part numbers 68001 and 68002)
To be used if you need to move the rack
enclosure with UPS already rack-mounted
inside.
1
2. Installation
1
3
2
Input/output junction box bracket system (included with power module rail kit, part number 68001)
This bracket will maintain the Input/Output box at the rear of the rack enclosure when hot-swapping the power module.
It will then be easier to slide the replacement module into the connectors of the Input/Output box.
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34007724EN/AA - Page 15
2. Installation
2.4 Communication ports
Comet EX RT provides 3 communication methods that can be used simultaneously:
◗ The COM port provides RS232 communications using MGE UPS SYSTEMS SHUT protocol. Compatible with most power
management software applications available into the enclosed Solution Pac CD-Rom.
◗ The output contact port is used for basic signaling or for protection of IT systems like IBM iSeries (formerly AS400) and
more.
◗ The slot is compatible with any MGE UPS SYSTEMS communication card (check www.mgeups.com web site for the
complete list of compatible cards).
Connection to the RS 232 communication port
1 - Connect the RS 232 23 communications
cable to the serial port on the computer.
23
2 - Connect the other end of the
communications cable 23 to the RS 232 5
communications port on the UPS.
The UPS can now communicate with various
5
MGE UPS SYSTEMS power management
application software. Please note that the
configuration software is included with
Personal Solution Pac for Windows.
NORMAL
PASS
BY
Connection to the communication port by relays 2
◗ Pin 1, 2: not used,
◗ Pin 3: Remote Power Off signal (5 to 27 V DC, 10 mA max),
◗ Pin 4: Operation on mains (not on battery),
◗ Pin 5: User common,
◗ Pin 6: Operation on automatic by-pass,
◗ Pin 7: Low battery,
◗ Pin 8: Load protected,
◗ Pin 9: Operation on battery.
n.o.: contact normally open.
n.c.: contact normally closed.
Page 16 - 34007724EN/AA
5432
9876
n.o.n.c. n.o. n.o. n.o.
common
1
When the status is active, the contact between the common (Pin 5) and the relevant information pin is closed.
Output relays specifications
◗ Voltage: 48 V DC max,
◗ Current: 2 A max,
◗ Power: 62,5 VA, 30 W.
Example: for 48 V DC, Imax=625 mA
Remote Power Off communication port 3
Used in conjunction with the optional EPO battery module, this port enables total isolation of all power sources connected
to the UPS in case of emergency (the cable is not provided).
Remote power off contact normally open Remote power off contact normally closed
2. Installation
5432
6
1
RJ11
6
5432
RJ11
1
5 V DC to 27 V DC
5 V DC to 27 V DC
◗ Signal:
- activation voltage: 5 V DC to 27 V DC.
- current: 10 mA max.
Installation of communication cards (optional, standard with the Network Pack version)
It is not necessary to shut down the UPS to
install the communication card:
1 - Remove the slot cover secured by two
screws.
2 - Insert the card 1 into the slot.
IP=
MAC=00E0D8FF855E
1 2
ON
RS232 Download
Communication card.
1
Card Settings
100 10
UPS
data
Reset
ETHERNET
RS232
66074
3 - Secure the card with both screws.
NORMAL
PASS
BY
34007724EN/AA - Page 17
2. Installation
2.5 Installation depending on the system earthing arrangement (SEA)
Comet EX must be fed from a 3-phase source with neutral.
UPS with common Normal and Bypass AC inputs
Main lowvoltage
switchboard
(MLVS)
Bypass AC
Normal AC
Change in SEA between upstream and downstream or galvanic isolation required
11
10
8
load
Main lowvoltage
Bypass AC
11
switchboard
(MLVS)
10
Normal AC
UPS with separate Normal and Bypass AC inputs
Main lowvoltage
switchboard
(MLVS)
Change in SEA between upstream and downstream or galvanic isolation required
Main lowvoltage
switchboard
(MLVS)
Bypass AC
11
(*)
10
Normal AC
Bypass AC
11
(*)
8
8
load
load
Page 18 - 34007724EN/AA
load
Normal AC
10
8
(*): The transformer is not necessary if:
◗ Normal and Bypass AC inputs are connected to the same source,
◗ and wires cross sections and wires lengths on Normal and Bypass inputs are identical,
◗ and upstream protection is provided by only one switch with RCD (residual current device) for Normal and Bypass inputs.
2. Installation
UPS with separate Normal and Bypass AC inputs, supplied by separate sources
MLVS 1
MLVS 2
Bypass AC
Normal AC
11
10
8
or
MLVS 1
MLVS 2
Bypass AC
Normal AC
11
10
8
Change in SEA between upstream and downstream or galvanic isolation required
MLVS 1
Bypass AC
MLVS 2
Normal AC
11
10
8
load
load
load
Frequency converter (without Bypass AC input)
Configuration used when the frequency of the application differs from the Mains (Example: marine requirements).
Main lowvoltage
11
switchboard
(MLVS)
10
Normal AC
Hot stand by
Configuration used to provide full redundancy (N+1) to critical loads.
Main lowvoltage
switchboard
(MLVS)
(see page 18)
(*)
Bypass AC
11
10
Normal AC
8
8
load
Normal AC
11
10
8
load
34007724EN/AA - Page 19
2. Installation
2.6 Required protective devices and cable cross-sections
Recommended upstream protection
UPS
power
rating
5 kVA
7 kVA
11 kVA
Common AC inputs
Upstream circuit-breaker
Normal / Bypass AC sources
D curve - 40A
D curve - 40A
D curve - 63A
Note: see the simplified diagrams in the appendix for common or separate AC inputs, indicating the positions of the
protection devices, the characteristics of the internal UPS fuses and UPS line currents under overload conditions.
Recommended downstream protection
UPS power
rating
5 kVA
7 kVA
11 kVA
Note: see the simplified diagrams in the appendix for common or separate AC inputs, indicating the positions of the
protection devices, the characteristics of the internal UPS fuses and UPS line currents under overload conditions.
Downstream
circuit breaker
Z curve - 10A
C curve - 4A
Z curve - 10A
C curve - 4A
Z curve - 10A
C curve - 6A
Separate AC inputs
Upstream circuit-breaker
Normal AC source
C curve - 32A
C curve - 32A
C curve - 63A
The indicated protection ensures
discrimination for each output circuit
downstream of the UPS, whether supplied
by the Normal or the Bypass AC source.
If these recommendations are not followed,
protection discrimination is not achieved and
may result in a potential power interruption
to the connected devices.
Upstream circuit-breaker
Bypass AC source
D curve - 40A
D curve - 40A
D curve - 63A
Required cable cross-sections
◗ Terminal-block cable capacity: 10 mm
◗ Capacity for earthing conductor: 10 mm
2
, solid or stranded wire (maximum 13 mm2 or AWG 6).
2
, solid or stranded wire (maximum 13 mm2 or AWG 6).
Page 20 - 34007724EN/AA
2.7 Connections of input/output power cables
◗ This type of connection must be carried out by qualified electrical personnel.
◗ Before carrying out any connection, check that the battery circuit breaker 12 and that the upstream protection devices
(Normal and Bypass AC sources) are open ("0").
◗ Comet EX RT UPS always comes from factory with Normal and Bypass AC inputs already connected together, using a
bridge.
◗ Use included insulated ferrules with stranded wires.
UPS with common Normal and Bypass AC sources
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2. Installation
To access the connection terminal blocks,
see section 1.2 "Rear panel":
1 - Remove the terminal block cover
(5 screws),
2 - Insert the Normal AC cable through the
cable gland,
3 - Connect the 5 wires to the Normal AC
terminal block,
1
1
1
1
Always connect the earthing
wire first.
4 - Insert the output cable to the load
through the output cable gland,
5 - Connect the 3 wires to the output
terminal block,
t
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N
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B
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2
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N
p
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r
e
i
f
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e
1
R
L
1
L
2
L
3
L
1
N
5
6 - Refit the terminal block cover and tighten
the cable glands,
7 - Secure the junction Input/Output box to
the rear of the power module by means of
the 3 screws.
4
3
t
u
p
t
u
O
L
N
t
u
p
n
I
s
s
a
p
y
B
2
L
t
2
u
N
p
n
I
r
e
i
f
i
t
c
e
1
R
L
1
L
2
L
3
L
1
N
2
6
Card Settings
MAC=00E0D8FF855E
IP=
6
66074
data
UPS
ETHERNET
100 10
Reset
ON
1 2
RS232 Download
6
L
A
M
R
O
N
φ
6
6
7
7
7
34007724EN/AA - Page 21
2. Installation
UPS with separate Normal and Bypass AC sources
t
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N
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B
2
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2
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N
p
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I
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e
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c
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1
R
L
1
L
2
L
3
L
1
N
1
N
1
t
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t
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O
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N
t
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I
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s
a
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y
B
2
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t
2
u
N
p
n
I
r
e
i
if
t
c
e
1
R
L
1
L
2
L
3
L
1
8
4
2
1
6
5
7
3
1 - Remove the terminal block cover
(5 screws),
2 - Remove the bridge connected between
L2 and L1,
3 - Insert the Normal AC cable through the
cable gland,
1
1
4 - Connect the 5 wires to the Normal AC
terminal block,
Always connect the earthing
wire first.
5 - Insert the Output cable to the load
through the Output cable gland,
6 - Connect the 3 wires to the output
terminal block,
7 - Insert the Bypass cable through the cable
gland,
8 - Connect the 3 wires to the Bypass AC
terminal block,
9 - Refit the terminal block cover and tighten
the cable glands,
10 - Secure the junction Input/Output box to
the rear of the power module by means of
the 3 screws.
Card Settings
MAC=00E0D8FF855E
IP=
t
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t
u
O
L
N
t
u
p
n
I
s
s
a
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B
2
L
t
2
u
N
p
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I
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e
i
f
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c
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1
R
L
1
L
2
L
3
L
1
N
9
9
9
9
9
L
A
M
R
O
N
φ
66074
data
UPS
ETHERNET
100 10
Reset
ON
1 2
RS232 Download
10
10
10
Page 22 - 34007724EN/AA
Frequency converter
N
2. Installation
1 - Remove the terminal block cover
(5 screws),
t
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s
a
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B
2
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t
2
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N
p
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I
r
e
i
f
ti
c
e
1
R
L
1
L
2
L
3
L
1
2
1
2 - Remove the bridge connected between
L2 and L1,
3 - Insert the Normal AC cable through the
cable gland,
4 - Connect the 5 wires to the Normal AC
terminal block,
1
1
1
1
Always connect the earthing
wire first.
5 - Insert the Output cable suppling the load
through the Output cable gland,
6 - Connect the 3 wires to output terminal
block,
t
u
p
t
u
O
L
N
t
u
p
n
I
s
s
a
p
y
B
2
L
t
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p
n
I
r
e
i
f
i
t
c
e
1
R
L
1
L
2
L
3
L
1
N
6
2
N
7 - Refit the terminal block cover and tighten
Do not connect anything to the
Bypass AC terminal block,
the cable glands,
5
4
8 - Secure the junction Input/Output box to
the rear of the power module by means of
the 3 screws.
3
t
u
p
t
u
O
L
N
t
u
p
n
I
s
s
a
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B
2
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t
2
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p
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I
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e
i
f
i
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c
e
1
R
L
1
L
2
L
3
L
1
N
7
Card Settings
UPS
100 10
MAC=00E0D8FF855E
IP=
7
7
7
7
L
A
M
R
O
N
φ
66074
data
ETHERNET
Reset
ON
1 2
RS232 Download
8
8
8
34007724EN/AA - Page 23
N
L
N
L
OUTPUT
INPUT
2. Installation
Connection of battery cables
1 - Check that the battery circuit breaker 12
4
is OFF ("0" position),
2 - Connect the battery power cable 28 to
29
the connectors 6 of the power and battery
modules,
3 - Connect the battery detection cable 29
to the connectors 4 of the power and
battery modules,
28
6
NORMAL
PASS
BY
12
Connection of galvanic isolation transformer
Transformer Input
Transformer Output
Page 24 - 34007724EN/AA
◗ Output cable cross-section (not provided): 10 mm
◗ Input cable cross-section (not provided): 10 mm
2
, solid or stranded wire (maximum 13 mm2 or AWG 6).
2
, solid or stranded wire (maximum 13 mm2 or AWG 6).
_
+
N
L
BATTERY
AC INPUT
Connection of CLA module
2. Installation
29
28
To battery
AC Input
◗ Connect the battery cable 28 (provided with the CLA module) between the power module and the CLA module.
◗ Connect the cable 29 (provided with the CLA module) between the power module and the CLA module.
◗ Connect the battery:
◗ Cable cross-section (not provided): 10 mm
◗ Use a circuit-breaker (curve B, 50 A) for cable protection.
◗ Connect the input cable of the CLA module to the AC input:
◗ AC input cable cross-section (not provided) : 2,5 mm
◗ Use a circuit-breaker (curve C, 10 A) for cable protection.
2
, solid or stranded wire (maximum 13 mm2 or AWG 6).
2
.
NORMAL
PASS
BY
34007724EN/AA - Page 25
3. Operation
3.1 Initial start up
15
Check that the manual bypass switch 7 is on Normal position.
Set the normal AC source circuit-breaker 9 to the "I" position.
Set the battery circuit breaker 12 to the "I" position.
The load is powered via the bypass AC source, but not protected
by the UPS.
PRESS ON
TO START UPS
Batteries are recharging, an eight-hour recharge period is
necessary to get full backup time.
LED 15 is ON.
OFF
ON
UPS personalisation
If specific settings are required, it is recommended to enter the UPS personnalisation mode at this stage.
It is possible to enter this mode through the front panel buttons or the Personal Solution-Pac software for Windows
included in the MGE UPS SYSTEMS Solution-Pac power management suite CD-ROM.
Accessing personalisation with front panel buttons
◗ Press "scroll up" 19 and "scroll down" 20 function buttons together
for more than 3 seconds.
◗ Press the function button 20 placed under the ENT word to enter the
set up mode and follow the LCD messages using the buttons now
defined as select keys.
OFF
UPS SET UP
EXIT ENT
ON
19
Local settings
Function
Language
Date / time format
Date / time change
Audible alarm
Output features
Function
Output voltage
Frequency converter
Output frequency
Eco mode
Hot standby
Operating mode
Transfer on Bypass AC
source
Break time
Overload level
20
Factory setting
English
International format
(DD-MM-YYYY/HH:MM)
Time in France
Quick beeps
Factory setting
230 Volts AC
Disabled
ranging
Auto
Disabled
Disabled
Industrial
If the Bypass AC source is
out of tolerances
10 ms
102%
French, Spanish, German, Italian.
US format (MM-DD-YYYY/HH:MM AM/PM).
MM-DD-YYYY/HH:MM adjustable.
Slow beeps.
Options
200/208/220/240/250
Enabled
50/60 Hz
Enabled
Enabled
I/T Network
If the Bypass AC source is
inside tolerances
10 to 200 ms
(by steps of 10 ms)
50/70%
Options
Comments
Bypass AC source disabled.
User selectable under frequency converter
mode.
See glossary.
N+1 redundancy
(See section 2.5 "Hot standby").
(*)
(*)
Break time calibration during load transfer
on Bypass AC source out of tolerances.
Page 26 - 34007724EN/AA
(*) : - Select "I/T Network" and "AC Bypass within tolerance" for computer loads.
- Select "Industrial" and "AC Bypass out of tolerance" in case of absolute need for service continuity (with potential
10 ms break).
ON/OFF features
3. Operation
Function
Cold start
Forced reboot
Automatic restart
Sleep mode
UPS ON/OFF by software
Factory setting
Disabled
Enabled
Enabled
Disabled
Enabled
Battery features
Function
Battery test
Low battery signal
Run time choice
Battery deep discharge
protection
◗ Use EXIT key when set up is completed.
◗ These parameters are only adjustable if UPS is OFF.
Factory setting
Every week
20%
UPS reads # of battery
modules connected
Enabled
Options
Enabled
Disabled
Disabled
Enabled
Disabled
Options
No test / daily / monthly
0 to 100%
From 50 to 400 Ah
Disabled
Comments
Start on battery.
Enables automatic restart of the system even
if normal AC source is restored before the end
of the shutdown sequence.
UPS restarts automatically
when normal AC source is restored.
Automatic shudown on battery if output load
level < 10%.
Enables consideration of shutdown or restart
orders from software to be authorized.
Comments
1% increment.
Requires Comet EX RT CLA if using options
(see section 1.4 "Battery extensions").
If disabled, lost of
MGE UPS SYSTEMS warranty.
Access to the personalisation through external software
◗ Insert the Solution-Pac CD ROM in your CD drive.
◗ At the first Navigator Screen, select "Installation" and follow the instructions to install Personal Solution-Pac for
Windows.
◗ If nothing appears, launch startup.exe
◗ Then go to "Advanced settings" and "UPS settings".
Please note that the Linux/Unix/MacOS versions of Personal Solution-Pac do not include this feature.
3.2 Final start up sequence
◗ Press the ON button more than 3 seconds.
◗ After UPS internal test sequence, the green LED 13 goes on.
During the restart, if the Bypass AC source is out of tolerance, the UPS will generate an output 10 ms calibrated
break.
34007724EN/AA - Page 27
3. Operation
3.3 Operating modes
Normal (double conversion) mode
13
OFF
13 14
OFF
LOAD LEVEL
4 kW / 5 kVA
19 21
20
BACKUP TIME
10 minutes
ON
ON
This is the standard operating mode, set by default in the factory.
Two possible choices.
1 - Normal AC source available:
LED 13 is ON.
The load is protected by the UPS.
Scroll up 19 and scroll down 20 function buttons allow you to read
the UPS measurements (Normal AC source voltage, Bypass AC source
voltage, operating mode, battery capacity and UPS Serial Number).
2 - Normal AC source not available:
LED 13 flashes.
LED 14 is ON.
The audible alarm sounds intermittently.
The load is supplied by the UPS from battery power.
Do not operate the manual Bypass switch 7 when the UPS is in
the normal mode.
ECO mode
13 15
ECO MODE
4 kW / 5 kVA
OFF
13
13 14
OFF
OFF
ON
ON
ON
The main advantage of the Eco mode (see glossary) is that it reduces
the consumption of electrical power.
Three possible choices:
1 - Bypass AC source available:
LEDs 13 and 15 are ON.
The load is supplied in ECO mode.
2 - Bypass AC source not available:
LED 13 is ON.
The audio alarm sounds intermittently.
The load is automatically supplied in Normal mode via the Normal AC
input.
3 - Both Normal and Bypass AC sources not available or out of
tolerance:
LED 13 is ON.
LED 14 is ON.
The audio alarm sounds intermittently.
The load is supplied by the UPS from battery power.
The display indicates the battery remaining backup time.
Page 28 - 34007724EN/AA
3.4 Operation on battery power
The load continues to be protected by the UPS when the Normal AC source is not available. Power is supplied by the
battery.
Transfer to battery power
3. Operation
1413
BACKUP TIME
10 minutes
OFF
ON
Threshold for the low-battery warning
13 14
BACKUP TIME
2 minutes
OFF
ON
LED 13 is ON.
LED 14 is ON.
The audio alarm beeps every 10 seconds.
The load is supplied by the battery.
The display indicates the battery remaining backup time.
LED 13 is ON.
LED 14 flashes.
The audio alarm beeps every 3 seconds.
Low battery warning on display. There is very little remaining battery
backup time. Close all applications because UPS automatic shutdown is
impending.
End of backup time
13 14 15
STOP
END BACKUP TIME
OFF
ON
3.5 Return of Normal AC source
After an outage, the UPS restarts automatically when AC power is restored (unless this function has been disabled via UPS
personalisation).
LED 13 and 14 are OFF.
The audio alarm is stopped.
The load is transferred to the Bypass AC source if available. In this
case, the LED 15 is ON.
34007724EN/AA - Page 29
3. Operation
3.6 Shut down
15
LOAD LEVEL
4 kW / 5 kVA
OFF
18
12 9
ON
1 - Press the OFF button 18 more than 3 seconds.
The load is no longer protected by the UPS. It is powered
via the bypass AC source. If the UPS is set in frequency
converter mode, the load will not be powered.
If the bypass AC source is out of tolerance, the UPS will
generate a 10 ms output calibrated break.
2 - Set the battery circuit breaker(s) 12 to the "0" position.
3 - Set the Normal AC source circuit-breaker 9 to the "0" position.
4 - For a full shutdown of UPS and connected load, the upstream circuit
breaker (not included) should be set to the "0" position.
NORMAL
PASS
BY
Page 30 - 34007724EN/AA
4.1 Troubleshooting
If any of LEDs 15 or 16 is on, there is an operating anomaly or an alarm.
Use "scroll up" or "scroll down" function button to reset the audible alarm.
Troubleshooting not requiring MGE UPS SYSTEMS after-sales support:
4. Maintenance
Indication
Led 15 is on,
the alphanumeric display shows:
BAD CONNECTION
REWIRE AC NORMAL
Led 15 is on,
the alphanumeric display shows:
LOAD LEVEL
Xx kW / XX KVA
Led 15 is on*,
the alphanumeric display shows:
THERMAL OVERLOAD
1XX%
Led 16 is on,
the alphanumeric display shows:
CURRENT OVERLOAD
Audible alarm is on,
the alphanumeric display shows:
I/O BOX REMOVED
AC source is not connected
to the correct terminals.
Load supplied by bypass AC source.
UPS overload.
Short circuit conditions on output devices.
Junction of Input/Output box
not correctly screwed.
Signification
(*) : if bypass AC source available.
Troubleshooting requiring MGE UPS SYSTEMS after-sales support:
Correction
Rewire correctly the normal AC source.
Push the ON button for more than 3
seconds.
Check the power drawn by the equipment
and disconnect any non-priority devices.
Check if any device is shorted or failed.
Check if the junction Input/Output box is
correctly screwed (rear panel).
Indication
Leds 15 * and 16 are on
and audible alarm is on.
The alphanumeric display shows:
xxx FAULT
www.mgeups.com
Led 15 is on* and audible alarm is on.
the alphanumeric display shows:
BATTERY FAULT
Led 15 is on,
the alphanumeric display shows:
SHUTDOWN
STATIC SW FAILED
Audible alarm is on, and the alphanumeric
display shows:
END OF WARRANTY
www.mgeups.com
Audible alarm is on, and the alphanumeric
display shows:
BATTERY CHECK
www.mgeups.com
Signification
Internal fault
and transfer of load
on bypass AC source.
Battery fault during the battery test.
Static switch failure.
UPS out of warranty.
Batteries may have exceeded there rated life
period. Battery capacity is severely reduced.
Follow the UPS replacement procedure (see
section 4.3).
Call the after sales support department.
Follow the battery replacement procedure
(see section 4.3).
Call the after sales support department.
Follow the UPS replacement procedure (see
section 4.3).
Call the after sales support department.
To extend warranty period or for UPS
maintenance, call the local after sales
support: www.mgeups.com, "Contact Us"
section**.
Call the local after sales support:
www.mgeups.com, "Contact Us" section**.
Correction
(*): if bypass AC source is available.
(**): to reset this alarm permanently, press both function buttons 19 and 20 for more than 3 seconds and access the
LCM Setup menu.
34007724EN/AA - Page 31
4. Maintenance
4.2 Hot-swapping the power module
This operation can be performed without interrupting the load.
Disconnecting the power module
15
XXX FAULT
1CXXXXXXX
OFF
18
Tower configuration
ON
◗ Stop the UPS with the OFF button 18 (press more than 3 seconds).
◗ Check if UPS is on bypass AC source:
led 15 is on (If led 15 is not on, do not turn the manual bypass and
call the after sales support department).
◗ Turn the manual bypass switch 7 to the BYPASS position.
◗ Switch the battery circuit breaker (s) 12 to the "0" position.
◗ Switch the Normal AC source circuit-breaker 9 to the "0" position and
wait 30 seconds.
◗ Remove the three fixing screws to free the junction Input/Output box.
◗ Disconnect the battery cables 28 and 29 from the power module.
The power module can be replaced.
The connected equipment is powered by the Bypass AC source.
s
g
n
i
t
t
e
S
d
r
a
C
S
P
U
0
1
a
t
E
a
5
0
5
d
0
8
1
F
F
8
D
=
0
E
IP
0
0
=
C
A
M
2
1
N
O
l
n
w
o
D
2
3
2
S
R
4
7
0
6
6
2
3
2
S
R
t
e
s
e
R
T
E
N
R
E
H
T
E
d
a
o
29
28
7
12
Rack configuration
φ
P
B
A
Y
S
S
9
Page 32 - 34007724EN/AA
Reconnecting the power module
4. Maintenance
13
LOAD LEVEL
4 kW / 5 kVA
OFF
15
ON
21
4.3 Hot-swapping the battery module
Disconnecting the battery module
29
29
28
◗ Secure the Input/Output junction box using the three screws.
◗ Reconnect the battery cables 28 and 29 to the power module.
◗ Switch the battery circuit breaker(s) 12 to the "I" position.
◗ Switch the Normal AC source circuit-breaker 9 to the "I" position.
◗ Turn the manual bypass switch from the BYPASS to the NORMAL
position.
◗ Check that the led 15 is on.
◗ Follow initial start up sequence (see section 3.1) in order to personalize
the UPS.
◗ Push the ON button 21 for more than 3 seconds.
The green led 13 is on, and the connected equipment is now
protected by the UPS.
◗ Switch the battery circuit breaker(s) 12 to the "0" position.
◗ Disconnect the battery cables 28 and 29 from the power module.
The battery module can be replaced. The connected equipment is
powered by the UPS.
It is also possible to replace battery trays instead of battery module.
Contact your nearest after sales support service.
To remove battery trays:
◗ First, switch the battery circuit breaker(s) to the "0" position.
◗ See section 2.3 and follow instructions to remove battery trays.
28
12
Reconnecting the battery module
NORMAL
PASS
BY
◗ Reconnect the battery cables 28 and 29 to the power module.
◗ Switch the battery circuit breaker(s) 12 to the "I" position.
To reconnect battery trays:
See section 2.3 and follow the reverse instructions.
◗ When battery module front panel is closed, connect the battery cables
28 and 29 to the power module.
◗ Switch the battery circuit breaker(s) 12 to the "I" position.
34007724EN/AA - Page 33
4. Maintenance
4.4 Training Center
To allow you to use MGE UPS SYSTEMS products effectively and carry out basic maintenance, we offer a complete range
of technical training courses in English and French.
50 Hz Training Center:
MGE UPS SYSTEMS
140, Avenue Jean Kuntzmann
Zirst - Montbonnot St Martin
38334 - St Ismier Cedex - FRANCE
Tel: (33) (0)4 76 18 34 14
Fax: (33) (0)4 76 18 45 21
Email: training@mgeups.com
Internet : www.mgepowerlearning.com
On-line catalogue and registration.
60 Hz Training Center:
MGE UPS SYSTEMS
1660, Scenic Avenue
Costa Mesa, CA 92626, USA
Tel: (1) 714 557 1637
Fax: (1) 714 437 9072
Email: dpaul-pierre.marchand@mgeups.com
Internet : www.mgepowerlearning.com
Page 34 - 34007724EN/AA
5.1 Technical specifications
Electrical characteristics
I/T network and industrial operating modes
5. Appendices
Industrial mode
Overload, and Bypass
AC source in tolerance.
Overload, and Bypass
AC source not in tolerance.
Output short circuit and
Bypass AC source in
tolerance.
Output short circuit and
Bypass AC source not in
tolerance.
Same as I/T network mode, but the UPS does not
return to normal mode if overload released.
Load is transfered to Bypass AC source with 10
milliseconds output break. The UPS does not return to
normal mode if overload released.
Load is transfered to Bypass AC source, the UPS
returns to normal mode if the short circuit is released
by downstream circuit breaker action (see section 2.6).
The load is transfered to Bypass AC source with 10
milliseconds output break. The UPS does not return to
normal mode if the short circuit is released by
downstream circuit breaker action (see section 2.6).
Selection of protection devices
UPS unit with common Normal and Bypass AC inputs
11
Bypass AC
Normal AC
Upstream
circuit breaker
(not supplied)
Normal AC
source circuit
breaker
10
9
Input
fuse
I/T network mode
Load is transfered to Bypass AC source.
UPS returns to normal mode if overload released.
The UPS shuts down and load is not transfered to
Bypass AC source.
The load remains powered by the UPS.
The UPS shuts down after 3 minutes if the short
circuit remains.
The load remains powered by the UPS. The UPS
shuts down after 3 minutes if the short circuit
remains.
Downstream
Output
fuse
8
circuit breaker
(not supplied)
UPS unit with separate Normal and Bypass AC inputs
Upstream
circuit breaker
Bypass AC
Normal AC
(not supplied)
Upstream
circuit breaker
(not supplied)
11
Normal AC
source circuit
breaker
10
Downstream
Input
fuse
9
Output
fuse
8
circuit breaker
(not supplied)
When sizing the upstream circuit breakers, the parameters presented below must be taken into account:
Line current values
UPS
power rating
5 kVA
7 kVA
11 kVA
Continuous current
at 400/320 Volts and
nominal load
9/10 A
10/11 A
15/19 A
Continuous current at 320 Volts
and overload = 110 %
limited to 2 minutes
11 A
12 A
21 A
Input fuse rating
25 A
25 A
30 A
Output fuse rating
80 A
80 A
100 A
Discrimination of upstream/downstream protections mentioned in paragraph 2.6 is achieved for a 30 m cable length and
10 mm2 cross section.
Circuit breaker capacity must be selected according to the installation, length and cross section of cables.
34007724EN/AA - Page 35
5. Appendices
Time/current curves for UPS Normal AC source circuit-breaker
t (s)
3
10
2
10
10
1
-
1
10
-
2
10
-
3
10
12345678910
0
1,51,25
Time/current curves for UPS input and output fuses
10
10
10
1
10
10
t (s)
3
2
-
1
10
I (A)
3
-
2
2
1010
10
10
10
10
1
10
I / In
t (s)
4
3
2
-
1
Page 36 - 34007724EN/AA
Intput fuses of
Comet EX 5 RT : 25 A
Comet EX 7 RT : 25 A
Intput fuses of
Comet EX 11 RT : 30 A
-
2
10
-
3
10
-
4
10
1010
Output fuses of
Comet EX 5 RT : 80 A
Comet EX 7 RT : 80 A
I (A)
10
3
10
42
Output fuses of
Comet EX 11 RT : 100 A
UPS Input / output characteristics
5. Appendices
Normal AC source
Bypass AC source
Load output
Source
320 to 465 Volts AC
187 to 264 Volts AC*
230 Volts AC (200/208/220/240/250 V are
possible values)
Voltage
40 to 70 Hz
48 to 52 Hz**
50/60 Hz autoranging
(or frequency converter)
(*): depends on output voltage setting, can be modified by software.
(**): set to +/- 4% by default, (1,2,4,8 are possible values), can be modified by software.
Power supplied as a function of input voltage
P/Pn
100%
70%
320V 465V
250V
U
Frequency
Permissible UPS overloads as a function of time
P/Pn
1.5
1.25
1.1
1.02
0.5s
30s
60s 120s
t
Short-circuit current provided by the UPS in Normal or Batterie mode
◗ Comet EX 5 RT : 110 A for 80 ms.
◗ Comet EX 7 RT : 110 A for 80 ms.
◗ Comet EX 11 RT : 150 A for 80 ms.
Comet EX Transformer
Nominal power
Nominal current
Input voltage
Voltage drop
Frequency
Isolation (EN 61558-1-2-4)
Operating temperature
Max. operating rel. humidity
Derating / altitude
Dimensions HxWxD (tower)
Dimensions HxWxD (rack 3U)
Weight
11 kVA
63 A
160-280 Volts AC
7 Volts at nominal load
50/60 Hz (+/-10%)
3.75 kV / 5 M ohms
From 0° to +40°C
95%
Pn-10% > 1000 m
444 x 131 x 635 mm
131 x 444 x 635 mm
86.5 kg
34007724EN/AA - Page 37
5. Appendices
Comet EX RT CLA module
◗ AC input voltage: 160-280 Volts AC,
◗ Input frequency: 40-70 Hz,
◗ Battery charge current: 6 A DC,
◗ Recharge time to recover 90% of the rated backup time after discharge at full load:
Comet EX 5 RT
Comet EX 7 RT
Comet EX 11 RT
Thermal characteristics
◗ The operating temperature is 0 to 40°C (8 hours at 45°C), however optimum operation is within the +20 to +25°C range.
◗ Battery backup time is adversely affected by high and low temperatures. It is significantly reduced at temperatures under
10°C. Above 25°C, battery service life is cut in half every 10°C. Above 40°C, battery manufacturers no longer guarantee
operation due to the risk of thermal runaway.
◗ Air enters through the front and exits through the back.
Configuration for
2 hours backup time
5 hours
5 hours
7 hours
Configuration for
4 hours backup time
12 hours
12 hours
15 hours
Configuration for
8 hours backup time
20 hours
20 hours
24 hours
5.2 Glossary
Backup time Time that the connected loads can operate on battery power.
Bypass AC source Source supplying the bypass line. The load can be transferred to the bypass line if an overload
ECO mode Operating mode by which the load is supplied directly by the AC source if it is within the
Load Devices or systems connected to the UPS output.
Manual bypass Rotary switch controlled by the user, used to connect the loads directly to the AC source.
Normal (double conversion) mode
Normal AC source Normal source of power for the UPS.
Relay contacts Contacts supplying information to the user in the form of signals.
UPS Uninterruptible Power Supply.
occurs on the UPS output, for maintenance or in the event of a malfunction.
tolerances defined by the user. This mode reduces the consumption of electrical power.
Transfer of the load to the manual bypass enables UPS maintenance without interrupting the
supply of power to the connected loads.
The normal UPS operating mode in which the AC source supplies the UPS which in turn
supplies the connected loads (after electronic double conversion).
Page 38 - 34007724EN/AA
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