Mitsubishi Electric 9900CX SERIES User manual

UNINTERRUPTIBLE POWER SUPPLY SYSTEM
MODEL
9900CX SERIES
OWNER’S / TECHNICAL MANUAL
(Inclusive Parallel Operation System Application)
UNINTERRUPTED Peace of Mind
®
U-ENM00043, REV 0

Preface
Revision
A
04/04
/
2017
4GBA0114

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
i
TABLE OF CONTENTS
LIST OF TABLES ............................................................................................................... ii
LIST OF FIGURES ............................................................................................................. iii
HOW TO USE THIS MANUAL ........................................................................................... iv
1.0 INTRODUCTION
....................................................................................................... 1-1
1.1 SAFETY PRECAUTION ............................................................................................ 1-2
1.2 GENERAL .................................................................................................................. 1-6
1.3 DEFINITIONS ............................................................................................................ 1-7
1.4 OPERATION OVERVIEW ......................................................................................... 1-8
1.5 SPECIFICATIONS ..................................................................................................... 1-15
2.0 OPERATION CONTROLS AND INDICATORS
....................................................... 2-1
2.1 LED DISPLAY ........................................................................................................... 2-2
2.2 EPO BUTTON ........................................................................................................... 2-2
2.3 LIQUID CRYSTAL DISPLAY ..................................................................................... 2-3
2.4 EXTERNAL SIGNAL TERMINAL BLOCK ................................................................. 2-8
2.5 EXTERNAL COMMUNICATION CONNECTOR ....................................................... 2-15
3.0 INSTALLATION AND OPERATION
......................................................................... 3-1
3.1 TRANSPORTATION AND INSTALLATION .............................................................. 3-1
3.2 INSTALLATION PROCEDURE ................................................................................. 3-1
3.3 PROCEDURE FOR CABLE CONNECTIONS .......................................................... 3-2
3.4 OPERATING PROCEDURES ................................................................................... 3-8
4.0 RESPONSE TO UPS FAILURE
............................................................................... 4-1
5.0 PARTS REPLACEMENT
.......................................................................................... 5-1
6.0 FAULT CODES
......................................................................................................... 6-1
7.0 WARRANTY & OUT OF WARRANTY SERVICE
.................................................... 7-1

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
ii
LIST OF TABLES
Table 1.1 UPS Installation Environment ..................................................................... 1-4
Table 1.2 Rating of Bypass Input Circuit Breaker ..................................................... 1-5
Table 1.3 Power Specifications................................................................................... 1-15
Table 1.4 UPS Cabinet Information............................................................................. 1-15
Table 1.5 Detail of Specifications................................................................................ 1-16
Table 1.6 Rating of Contactors, Breakers and Fuses................................................. 1-17
Table 2.1 Selectable Items for Output Contacts ......................................................... 2-11
Table 2.2 Selectable Items for Input Contacts............................................................ 2-14
Table 3.1 How to Transport and Install the System.................................................... 3-1
Table 3.2 List of UPS Weights .................................................................................... 3-1
Table 3.3 Maximum Permitted Fault Current.............................................................. 3-2
Table 3.4 Recommended Cable Sizes........................................................................ 3-4
Table 3.5 Recommended Hardware ........................................................................... 3-4
Table 3.6 Crimp Type Compression Lug .................................................................... 3-5
Table 6.1 Bypass Module Fault Code List .................................................................. 6-2
Table 6.2 UPS Module Fault Code List....................................................................... 6-6

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
iii
LIST OF FIGURES
Figure 1.1 Single Line Diagram-
Normal Operation: Load powered by UPS inverter ................................. 1-8
Figure 1.2 Single Line Diagram-
Bypass Operation: Load Fed through static bypass line ......................... 1-10
Figure 1.3 Single Line Diagram-Battery Operation................................................... 1-11
Figure 1.4 UPS Parts Location.................................................................................. 1-13
Figure 2.1 Operation/Display Panel........................................................................... 2-1
Figure 2.2 Main Screen ............................................................................................. 2-3
Figure 2.3(a) Start/Stop Operation................................................................................. 2-4
Figure 2.3(b) Start Operation......................................................................................... 2-4
Figure 2.3(c) Stop Operation......................................................................................... 2-4
Figure 2.4(a) Input Values.............................................................................................. 2-4
Figure 2.4(b) Output Values........................................................................................... 2-4
Figure 2.5 Remote/Local Operation or Date & Time Adjustment Select .................. 2-5
Figure 2.6(a) Log Menu.................................................................................................. 2-5
Figure 2.6(b) Event Log ................................................................................................. 2-5
Figure 2.6(c) Battery Log............................................................................................... 2-5
Figure 2.7(a) Main Screen (Battery Operation) ............................................................. 2-6
Figure 2.7(b) Measurement Screen (Battery Operation)............................................... 2-6
Figure 2.8 Main Screen (Fault Indication)................................................................. 2-7
Figure 2.9 Message Screen ...................................................................................... 2-7
Figure 2.10(a)
External Signal Terminal Block TN21-25 (NEC Class2) ............................ 2-8
Figure 2.10(b)
External Signal Terminal Block TN11-14 (NEC Class2) ............................ 2-9
Figure 2.11 Control Wiring for External Contacts........................................................ 2-10
Figure 2.12 Remote "Start" Contact Connections....................................................... 2-12
Figure 2.13 External Communication Connector........................................................ 2-15
Figure 3.1 UPS Terminal Designation ..................................................................... 3-5
Figure 3.2 Diagram of Input/Output Bus Bars and Terminal Blocks ....................... 3-6
Figure 3.3 Diagram of Power Wire and Control Wire Interconnection between
UPS and Battery ..................................................................................... 3-7

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
iv
HOW TO USE THIS MANUAL
This manual is designed for ease of use, giving the user easy and quick reference to
information.
This manual uses notice icons to draw attention to the user important information regarding the
safe operation and installation of the UPS. The notice icons used in this manual are explained
below, and should be taken into account and adhered to whenever they appear in the text of
this manual.
Warning: A warning notice icon conveys information provided to protect
the user and service personnel against hazards and/or possible equipment
damage.
Caution: A caution notice icon conveys information provided to protect
the user and service personnel against possible equipment damage.
Note: A Note notice icon indicates when the user should make a reference of
information regarding the UPS operation, load status and display status.
Such information is essential if Mitsubishi field service group assistance and
correspondence is required.
Safety Recommendations: If any problems are encountered while following this manual,
Mitsubishi field service group assistance and correspondence is recommended.

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-1
1.0 INTRODUCTION
The Mitsubishi Uninterruptible Power Supply System (UPS) is designed to provide many years
of reliable protection from power failure, brown-outs, line noise, and voltage transients. To
ensure optimum performance of the equipment, follow the manufacturer's instructions. This
manual contains descriptions required to operate the UPS. Please read this manual carefully
and retain it for future reference.
This manual contains important instructions for the 9900CX SERIES Uninterruptible Power
Supply System that should be followed during installation and maintenance of the UPS and
batteries.
Lethal voltages exist within the equipment during operation. Observe all
warning and cautions in this manual. Failure to comply may result in serious
injury or death. Obtain qualified service for this equipment as instructed.
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
WARNING 1

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-2
1.1 SAFETY PRECAUTIONS
In order to maintain safety and perform start-up and maintenance of the UPS system
successfully, certified service personnel familiar with the operation of this equipment must
be involved. The following safety practices should always be followed.
PRECAUTIONS DURING INSTALLATION
CAUTION
Do not block the ventilation ports. The ventilation ports should be arranged so that walls or
ceilings do not block ventilation. (Maintenance spaces described in the catalogue or external
drawings should be followed.)
If a ventilation port is blocked, the internal temperature of the UPS will rise, and consequently,
a fire may be caused due to liquid leakage from batteries, short-circuits, or parts deterioration.
PRECAUTIONS FOR WIRING
CAUTION
Ask professional agents for wiring work. Inappropriate wiring work may cause electric
shocks, injuries, or fire.
PRECAUTIONS TO PROFESSIONAL AGENTS
CAUTION
Use wiring conduit, pits or racks for input/output wiring. Inadvertent wiring may cause
injuries.
Use terminals for connection to the input/output terminals. Inadvertent connection may
cause electric shocks.
Do not drop dust or any other thing from the fan hole.
PRECAUTIONS FOR UPS OR UPS PARTS DISPOSAL
CAUTION
Since the UPS contain special industrial waste, such as capacitors, insulators or batteries,
they cannot be disposed of like other general waste. Please check the disposal guideline of
your district, contact the specialized contractor for disposal.
WARNING 2

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-3
PRECAUTIONS REGARDING BATTERIES
Before operating the system, carefully read the battery and battery cabinet operating manuals.
CAUTION
Follow the directions below when using the batteries, otherwise liquid leakage, heat evolution,
and explosions may be caused.
a. Do not solder the batteries directly.
b. Do not charge the battery with its negative and positive terminals reversed.
c. Do not use different types or suppliers of batteries, or old and new batteries together.
d. Do not remove or damage the armoring tube of the battery.
e. Do not render a large impact or throw the battery.
f. Use wet clothes for cleaning the battery. Do not use organic solvents such as gasoline and
thinner, or oil. Do not wipe the battery with cloths that contain organic solvents or oil. Keep
the battery away from flexible vinyl materials.
g. Since the electric energy remains in the used batteries, treat them carefully to prevent
sparks and short circuits.
APPLICATION
CAUTION
If the UPS System is to be applied to support equipment that could affect human safety, the
following steps must be adhered to:
1. Consult with Mitsubishi Electric Power Products Inc. UPS Division.
2. Special consideration of the overall back up power system configuration is required so that the
Mitsubishi UPS System is not the sole support required for operation, maintenance and
management of power availability. Other available power sources; for example utility,
emergency power generation or other systems shall also support power availability.
Definition of equipment that could affect human safety:
Life Support Systems (is a system whose failure to perform can be expected to result in
bodily injury or death.)
Essential Public Systems (is a system whose failure to perform can be expected to result
in bodily injury or death and/or property damage.)

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-4
The UPS is to be installed in a controlled environment.
Improper storage and installation environment may deteriorate insulation,
shorten component life and cause malfunctions.
Keep the installation environment per standard described as follows:
Table 1.1 UPS Installation Environment
No. Item Environment standard
1 Installation
Location
Indoors, without vibrations or impact
2 Ambient
temperature Minimum temperature: 32 F(0 C), Maximum temperature: 104 F(40 C) The
average temperature over any 24-hour period must be in the range 41 F (5 C)
to 95 F(35 C).
3 Relative humidity The relative humidity must be held between 5 and 95%. There must be no
condensation due to temperature changes.
4 Altitude This equipment must not be applied at altitude that exceeds 1980m (6500ft)
above sea level.
5 Dust Dust in the room where the UPS is installed must not exceed normal
atmospheric dust levels. In particular, that dust should not include iron particles,
oils or fats, or organic materials such as silicone.
6 Inflammable gas
following
IEC654-4
Part 4
There should be no inflammable/explosive gas.
Hydrogen sulfide (H
2
S) No more than 0.003 PPM
Sulfurous acid gas (SO
2
) No more than 0.01 PPM
Chlorine gas (Cl
2
) No more than 0.002 PPM
Ammonia gas (NH
3
) No more than 1 PPM
Nitrous oxides (NO
x
) No more than 0.05 PPM
Ozone (O
3
) No more than 0.002 PPM
WARNING 3