KStar MEMO PLUS RT II (MP9100RTII-0.9) 1-3K User manual

1
1KVA to 3KVA 0TRack-Tower conversion 0T User’s
Guide

2
Class B EMC Statements
(High Voltage Models up to 3000 VA)
FCC Part 15
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 in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and the receiver.
●Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
●Consult the dealer or an experienced radio/TV technician for help.

3
Special Symbols
The following are examples of symbols used on the UPS or accessories to alert you to important
information:
RISK OF ELECTRIC SHOCK - Observe the warning associated with the risk of electric shock
symbol.
CAUTION,need your attention
This symbol indicates that you should not discard the UPS or the UPS batteries in the trash. This
product contains sealed, lead‐acid batteries and must be disposed of properly. For more information,
contact your local recycling/reuse or hazardous waste center.
This symbol indicates that you should not discard waste electrical or electronic equipment (WEEE) in
the trash. For proper disposal, contact your local recycling/reuse or hazardous waste center.

4
Table of Contents
3TU1 Introduction ……………………………………………………………………………………………………U3T5
3TU2 Safety Warnings………………………………………………………………………………………………U3T6
3TU3 Installation………………………………………………………………………………………………………U3T7
3TU4 Operation………………………………………………………………………………………………………U3T19
3TU5 CommunicationU3T……………………………………………………………………………………………………………..35
3TU6 UPS Maintenance…………………………………………………………………………………………..U3T40
3TU7 Specifications…………………………………………………………………………………………………U3T44
3T83T 3TUTroubleshootingU3T……………………………………………………………………………………………………………49

5
1Introduction
This UPS protects your sensitive electronic equipment from most common power problems, including
power failures, power sags, power surges, brownouts, line noise, high voltage spikes, frequency
variations, switching transients, and harmonic distortion.
Power outages might occur unexpectedly and power quality can be erratic. These power problems
have potential to corrupt critical data, destroy unsaved work sessions, and damage hardware —
causing hours of lost productivity and expensive repairs.
With the UPS, you can safely eliminate the effects of power
disturbances and guard the integrity of your equipment. Providing
outstanding performance and reliability, the UPS's unique benefits include:
True online double-conversion technology with high power density,utility frequency
independence, and generator compatibility. Output power factor up to 0.9.
Three segment charging mode to increase battery service life, optimize recharge time.
Selectable High Efficiency mode of operation.
Cold start function to startup the UPS without utility.
Standard communication options: one RS-232 communication port, one USB communication
port, and relay output contacts or SNMP card.
Power Shedding function may turn off uncritical load in battery backup to make longer backup
time for critical load.
Extended runtime with up to four Extended Battery Modules (EBPs) per UPS.
Emergency shutdown control through the Remote Emergency Power-off (EPO) port.
The content displayed on the interface is rich. The capacity of the loads and the battery can be
seen directly and the FLASH pictures and fan rotating icon can be displayed while charging.
Enhance, it is easy to know its operation status. When UPS fails, it can show the fault code;
therefore, the UPS can be repaired as soon as possible by inquiring fault code table.
NOTICE: In the manual, RT is short for Rack-Tower conversion
Rack/Tower convertible LCD design. No matter what angle required, only pressing the key slightly
to reach your perspective needs.
For RT model, it is equipped with hot swappable battery feature needed for 19”rack solution.
RT models in a space-optimizing 2U size fits any standard 19”rack.
Figure1 The Rackmount UPS front view

6
Figure2 The Rackmount EBP front view
2Safety Warnings
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that you should follow during
installation and maintenance of the UPS and batteries. Please read all instructions
before operating the equipment and save this manual for future reference.
DANGER
The UPS contains LETHAL VOLTAGES. All repairs and service should be performed
by AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE
PARTS inside the UPS.
WARNING
The UPS contains its own energy source (batteries). The UPS output may carry
live voltage even when the UPS is not connected to an AC supply.
To reduce the risk of fire or electric shock, install the UPS in a temperature and
humidity controlled, indoor environment, free of conductive contaminants.
Ambient temperature must not exceed 40°C (104°F). Do not operate near water
or excessive humidity (90% maximum).
To reduce the risk of fire, connect only to a circuit provided with branch circuit
overcurrent protection in accordance with the National Electrical Code (NEC),
ANSI/NFPA 70.
Output overcurrent protection and disconnect switch must be provided by
others.
To comply with international standards and wiring regulations, the sum of the
leakage current of the UPS and the total equipment connected to the output of
the UPS must not have an earth leakage current greater than 3.5 milliamperes.
If installing optional rackmount EBP(s), install the EBP(s) directly below the UPS
so that all wiring between the cabinets is installed behind the front covers and is
inaccessible to users. The maximum number of EBP(s) per UPS is four.
If the UPS requires any type of transportation, verify that the UPS is unplugged
and turned off and then disconnect the UPS internal battery connector.
CAUTION
Batteries can present a risk of electrical shock or burn from high short-circuit
current. Observe proper precautions. Servicing should be performed by
qualified service personnel knowledgeable of batteries and required

7
precautions. Keep unauthorized personnel away from batteries.
Proper disposal of batteries is required. Refer to your local codes for disposal
requirements.
Never dispose of batteries in a fire. Batteries may explode when exposed to
flame.
3Installation
This section explains:
Equipment inspection
Unpacking the cabinet
Checking the accessory kit
Cabinet installation
Wiring installation
Initial startup
Inspecting the Equipment
If any equipment received has been damaged during shipment, keep the shipping
cartons and packing materials for the carrier or place of purchase and file a claim for
shipping damage. If you discover damage after acceptance, file a claim for
concealed damage.
To file a claim for shipping damage or concealed damage: 1) File with the carrier
within 15 days of receipt of the equipment; 2) Send a copy of the damage claim
within 15 days to your service representative.
NOTE Check the battery recharge date on the shipping carton label. If the date has expired and the
batteries were never recharged, do not use the UPS. Contact your service representative.
Unpacking the Cabinet
CAUTION
Unpacking the cabinet in a low-temperature environment may cause
condensation to occur in and on the cabinet. Do not install the cabinet until the
inside and outside of the cabinet are absolutely dry (hazard of electric shock).
The cabinet is heavy (see page 44). Be careful to unpack and move the cabinet.
Carefully to move and open the carton. Keep the components packaged until
ready to install.
To unpack the cabinet and accessories:
1. Open the outer carton and remove the accessories packaged with the cabinet.
2. Carefully lift the cabinet out of the outer carton.
3. Discard or recycle the packaging in a responsible manner, or store it for future
use.
Place the cabinet in a protected area that has adequate airflow and is free of
humidity, flammable gas, and corrosion.
Checking the accessories
It includes：
UPS user's guide
Software Suite CD

8
USB cable
Power cord (Input and output)
RS232 cable
If you ordered an optional Extended Battery Module (EBP), verify that the following additional
item is included with the EBP:
●EBP user's guide
NOTE Discard the EBP user's guide if you are installing the EBP with a new UPS at the same time. Use
the UPS user's guide to install both the UPS and the EBP.
0TRackmount Installation
The Rackmount cabinet comes with all of the hardware required for installation in a
standard EIA or JIS seismic Rackmount configuration with square and round mounting holes.
The rail assemblies adjust to mount in 19”racks with a distance from front to rear around
70~76 cm (27 to 30 inches) deep.
Checking the Rail Kit Accessories（Options）
Verify that the following rail kit items are included for each cabinet:
Left rail assembly:
- Left rail
- Rear rail
- (3) M5_8 pan-head screws
Right rail assembly:
- Right rail
- Rear rail
-(3) M5_8 pan-head screws
Rail hardware kit:
- (8) M5 butterfly nuts
- (2) rear stop brackets
- (8) M5 umbrella nuts
Mounting bracket kit:
- (2) mounting brackets
- (8) M4_8 flat-head screws
Tools Required
To assemble the components, the following tools may be needed:
cross-shaped screwdriver
and 6 mm wrench or socket
Rackmount Setup
CAUTION
 The cabinet is heavy. Removing the cabinet from its carton requires a
minimum of two people.
 If installing optional EBP(S), make sure to install the EBP(S) directly below the
UPS so that all wiring between the cabinets is installed behind the front covers
and inaccessible to users.
NOTE Mounting rails are required for each individual cabinet

9
To install the rail kit:
1. Assemble the left and right rails to the rear rails as shown in Figure3.Do not tighten the screws.
Adjust each rail size for the depth of your rack.
Figure3 Securing the Rails
2. Select the proper size in the rack for positioning the UPS (see Figure 4). The rail occupies four
positions on the front and rear of the rack.
3. Tighten four M5 Umbrella Nuts in the side of rail assembly (see Figure 3).
4. Fix one rail assembly to the front of the rack with one M5×12 pan-head screw and one M5 cage
nut. Using two M5 cage nuts and two M5×12 pan-head screws, to fix the rail assembly to the rear
of the rack.
Figure4 Fixing the Rails
5. Repeat Steps 3 and 4 for the other rail assembly.
6. Tighten the four butterfly nuts in the middle of each rail assembly.
7. If installing optional cabinets, repeat Step 1 through Step 6 for each rail kit.
8. Place the UPS on a flat, stable surface with the front of the cabinet facing to you.

10
9. Align the mounting brackets with the screw holes on each side of the UPS and fix with the
supplied M4×8 flat-head screws(see Figure 5)
Figure5 Installing the Mounting Brackets
10. If installing optional cabinets, repeat Step 8 and 9 for each cabinet.
11. Slide the UPS and any other optional cabinets into the rack.
12. Secure the front of the UPS to the rack using one M5×12 pan-head screws and one M5 cage nuts
on each side(see Figure 6).Install the bottom screw on each side through the bottom hole of
mounting bracket and the bottom hole of the rail.
Repeat for any optional cabinets.
Figure6 Securing the Front of the Cabinet
13. Continue to the following section, “Rackmount Wiring Installation.
0TRackmount Wiring Installation
This section explains:
Installing the UPS, including connecting the UPS internal batteries
Connecting any Optional EBP(S)

11
Installing the UPS
NOTE Do not make unauthorized changes to the ups; otherwise, damage may occur
to your equipment and void your warranty.
NOTE Do not connect the ups power cord to utility until after installation is
completed.
To install the UPS:
1. Remove the front cover of each UPS
Hold the cover part without LCD on the right side and extract it(see Fig.7)
Figure7 Extract UPS front cover
C A U T I
2. Connect the internal battery connector (see Figure 8)
Connect red to red, Press the connector tightly together to ensure a proper connection.
CAUTION
A small amount of arcing may occur when connecting the internal batteries. This is normal
and will not harm personnel. Connect the cables quickly and firmly

12
Figure8 Connecting the UPS Internal Batteries
3. If you are installing EBPS, see the following section, “Connecting the EBP(s),”before
continuing with the UPS installation.
4. Replace the UPS front cover.
To replace the cover, verify the EBP cable is routed through the knockout on the bottom of the
cover if EBPS are installed.
Put the front cover hooks of side with display to the cover port, put another side to the other
two ports, then press it until the cover and the chassis are combined tightly.
Figure9

13
5. If you are installing power management software, connect your computer to one of the
communication ports or optional connectivity card. For the communication ports, use an
appropriate cable.
6. If your rack has conductors for grounding or bonding of ungrounded metal parts, connect
the ground cable (not supplied) to the ground bonding screw. See “Rear Covers”for the
location of the ground bonding screw for each model.
7. If an emergency power-off (disconnect) switch is required by local codes, see “Remote
Emergency Power-off”(REPO) to install the REPO switch before powering on
the UPS.
8. Continue to “UPS Initial Startup”.
Connecting the EBP(s)
To install the optional EBP(s) for a UPS:
1. Remove the front cover of each EBP and UPS (see Figure 10).
It is the same with the installation of the front cover. (Refer” To install the UPS “)
Figure10 Removing the EBP Front Cover
2. On the bottom of the UPS front cover, remove the EBP cable knockout (see Figure 11).
Figure11 Removing the UPS Cable Knockout
3. For the bottom (or only) EBP, remove the EBP cable knockout on the top of the EBP front cover. See
Figure 12 for the location of the top EBP cable knockout.
4. If you are installing more than one EBP, for each additional EBP remove the EBP cable knockout on

14
the top and bottom of the EBP front cover. See Figure 12 for the location of the EBP cable knockouts.
CAUTION
A small amount of arcing may occur when connecting an EBP to the UPS. This is normal and will not
harm personnel. Insert the EBP cable into the UPS battery connector quickly and firmly.
5. Plug the EBP cable(s) into the battery connector(s) as shown in Figure 12. Up to four EBPS may be
connected to the UPS. Connect black to black,. Press the connector tightly together to ensure a
proper connection.
To connect a second EBP, unclip the EBP connector on the first EBP and pull gently to extend the
wiring to the EBP connector on the second EBP. Repeat for any additional EBPS.
6. Verify that the EBP connections are tight and the adequate bend radius and strain relief exist for
each cable.
Figure12 Typical EBP Installation
7. Replace the EBP front cover.
To replace the cover, verify that the EBP cables are routed through the EBP cover knockouts, cover
connects with the cover hook near the left side of the EBP cabinet. Repeat for each additional EBP.
It is the same with the installation of the front cover. (Refer”to UPS installation”)
8. Verify that all wires connected between the UPS and EBP(s) are installed behind the front covers
and not accessible to users.
9. Return to Step 4 to continue the UPS installation.
0TRackmount converted to Tower Installation
1.0T Rackmount converted to Tower 0Tplastic base installation

15
①two plastic base brackets ②flatten it after intercrossing
intercross as following Figure
Figure 13 plastic base installation
③If an EBP is needed to be placed in the middle, the assembly of plastic base is similar ,
The difference is that two 1U plastic base extended boards are added in the middle.(as the following
shows)
（A）（B）
（C）（D）

16
（E）（F）
Figure 14 increase EBP plastic base installation
2. The installation between UPS and EBPS can be referred to Fig.15

17
Figure15 The installation for UPS and battery box
1.Install the base, then place the RT UPS on the base one by one as Fig.15 shows.
2. The cover installation and cable connection of the UPS and EBPS are the same as RT. (To install the
optional EBP(s) for a UPS)
UPS Initial Startup
To start up the UPS:
0TNOTE Verify that the total equipment ratings do not exceed the UPS capacity to
prevent an overload alarm.
0T１. If optional EBPs are installed, verify that the EBPs are connected to the UPS.
0T２. Plug the equipment to be protected into the UPS, but do not turn on the
protected equipment.
0T３. Make any necessary provisions for cord retention and strain relief.
0T４. Plug the detachable UPS power cord into the input connector on the UPS rear
cover.
0T５. Plug the UPS power cord into a power outlet. The UPS front cover display
illuminates.
0T6. The ＵＰＳ will do self-test when power on. After that, the charger will
charge the battery. If the output displayed on LCD is “0”, there is no output. If
you need the UPS output the utility without starting the UPS when plug into
the utility，you need to set bPS option to “ON”on the setting mode,refer to
Page 26.

18
0T 7. Press the combination start up buttons on the UPS front cover for at least half a
second. The UPS will start up and the LED will turn on and off sequentially.
0T 8. Check the UPS front cover display for active alarms or notices. Resolve any
active alarms before continuing. See Troubleshooting” on page 49. If the
indicator is on, do not proceed until all alarms are clear.Check the UPS
status from the front cover to view the active alarms. Correct the alarms and
restart if necessary.
0T10. Verify that the indicator illuminates solid, indicating that the UPS is
operating normally and any loads are powered.
0T11. If optional EBPs are installed, see“Configuring Battery settings”on page 28 to
set the number of installed EBPs.
0T12. To change any other factory-set defaults, see “User settings” on page 25.
NOTE0T: At initial startup, the UPS sets system frequency according to input line
frequency (input frequency auto-sensing is enabled by default).
NOTE0T: At initial startup，please set the output voltage needed before start up the
UPS，After the subsequent startup，the UPS will output the setting voltage.
0T13.If you installed an optional EPO, test the EPO function: Activate the external
EPO switch. Verify the status change on the UPS display. Deactivate the
external EPO switch and restart the UPS.
NOTE0T：The internal batteries charge to 80% capacity in less than 5 hours. However,
we recommend that the batteries should be charged for 48 hours after installation
or long-term storage. If optional EBPs are installed, see the recharge times listed in
Table 21 on page 48.

19
4.Operation
0TThis chapter contains information on how to use the UPS, including front cover operation,
operating modes, UPS startup and shutdown, transferring the UPS between modes, and
configuring bypass settings, load segments, and battery settings.
Control Cover Functions
0TThe UPS has a three-button segmental LCD with backlight. It provides useful information about
the UPS itself, load status, measurements, and settings (see Figure 16).0T
0TFigure16. 0TControl Cover
Table 1. Indicator Descriptions
Indicator
Description
0TRed
On 0T The UPS has an active alarm or fault.0T
0TYellow
On 0TThe UPS is in Bypass mode.
0TThe UPS is operating normally on bypass
during High Efficiency operation.
0TYellow
On 0TThe UPS is in Battery mode.
0TGreen
On 0TThe UPS is operating normally.
NOTE 0T When power on or startup , these indicators will turn on and off sequentially.
NOTE0T On different operation modes , these indicators will indicate differently.
Refer to Table 7.

20
Table 2 . Button function
Button
Function description
0TStart up combination
（+0T 0T）
0TRT Press and hold this key for more than half a
second to turn on the UPS or to turn off the UPS.
Shutdown/Rotating
combination
（+）
0TRT Press and hold this key for more than 2 seconds
to circumrotate the LCD .
Battery test/Mute
combination
（+）
0TPress and hold the key for more than 1 second in Line
mode or economic(ECO) mode: UPS runs self-test
function.
0TPress and hold the key for more than 1 second in
battery mode: UPS runs mute function.
Scroll or
0TNon-function setting mode:
0TPress and hold the key for more than half a second
(less than 2 seconds): Indicate the items of the LCD
item section orderly.
0TPress and hold this key for more than 2 seconds:
Circularly and orderly display the items every 2
seconds, when press and hold the key for some time
again, it will turn to output status.
0TFunction setting mode:
0TPress and hold the key for more than half a second
(less than 2 seconds): Select the set option.
Setting entry
0TNon-function setting mode:
0TPress and hold the key for more than 2 seconds:
Function setting interface.
0TFunction setting mode:
0TPress and hold the key for more than half a second
(less than 2 seconds): Affirm the set option.
0TPress and hold the key for more than 2 seconds, exit
from this function setting interface.
Table 3. The corresponding working status of indications
0TNO
0TWorking
status
0TIndication
0TWarning
0TRemarks
0TNor
0TBat
0TBps
0TFau
0T1
0TLine mode
0T
0TNormal
voltage
0T●
0T
0T
0T
0TNone
0THigh/low
voltage
protection,
turn to
battery mode
0T●
0T●
0T
0T★
0TOnce
every four
seconds
0T
0T2
0TBattery mode
0T
0TNormal
voltage
0T●
0T●
0T
0T★
0TOnce
every four
0T