CBC 8806, 8810, 38810, 38815, 38820 User Manual
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User’s Manual
UNINTERRUPTIBLE POWER SUPPLY
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Caution
Please strictly comply with the manual operation instruction, and keep the
manual well. Make sure to read the manual carefully before use！
Non-professional technicians are prohibitted to open the unit casing incase of
electric shock, as the input and output of the unit have high voltage, it may endanger
your safety.
Make sure the unit connect with ground well when installing .
Close up all switches for 5 minutes before opening the unit casing for
maintenance.
Do not touch the electrolyte flooded from the damaged battery, as the
electrolyte is corrosive.
The unit battery should keep same brand and same type. Forbid mixed-using
different battery from different manufacturers.
The unit is class “A” product, it may cause radio interference on environment.
Do not try to change the unit configuration, it may affect the unit performance.
Operate the unit within the specified voltage range. Prevent unit from
insolation, drenching or shaking.
Do not install the unit in the environment of flammability, explosibility or
corrosiveness and electric dust.
Only professionals can instll and maintain the unit.
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Content
1 SYSTEMS ..................................................................................................................... 5
1.1 BRIEF INTRODUCTION ...................................................................................... 5
1.2 SYSTEMS CONFIGURATION .............................................................................. 5
1.3 Working Mode ...................................................................................................... 6
1.4 Function and Features ............................................................................................ 8
1.5 Technical Specification .......................................................................................... 8
2 INSTALLATION...........................................................................................................10
2.1 Environment Selection..........................................................................................10
2.2 Placement............................................................................................................10
2.3 Unpackin g...........................................................................................................10
2.3.1 Accessories................................................................................................ 11
2.3.2 The items of UPS specification should be checked ..........................................11
2.4 Dimension of structure and instruction.................................................................... 11
2.5 The selection of Air switch and connecting wires......................................................12
2.5.1 The selection of air switch ...........................................................................12
2.5.2 The selection of connecting wires .................................................................13
2.6 Instruction of input and output terminal ...................................................................13
2.7 Installation instruction of single unit .......................................................................14
2.8 Installation introduction of hot standby in series connection. ......................................14
2.8.1 Make the slave UPS connected to the master UPS’s input bypass, then become a
hot standby system. See sketch map2.4..................................................................14
2.8.2 Cable connectio n of hot standby...................................................................15
2.8.3 work pinciple of hot standby........................................................................15
2.9 Inspection of installation .......................................................................................16
2.9.1 Inspection of UPS.......................................................................................16
2.9.2 Electric inspection ......................................................................................16
3 ON/OFF OPERATION...................................................................................................16
3.1 Preparation before switching on the UPS .................................................................16
3.2 Starting steps of single UPS...................................................................................17
3.3 Steps of switching off single UPS...........................................................................17
3.4 Hot standby system starting steps...........................................................................17
3.5 Shutting off steps of hot standby system..................................................................17
3.6 Emergency turn off steps of UPS. ........................................................................17
3.7 Maintenance operation steps..................................................................................18
4 Operation of front panel..................................................................................................18
4.1 The structure & function of front panel....................................................................18
4.2 The instruction os setting.......................................................................................19
4.3 Display content ....................................................................................................19
5 Communication Interface................................................................................................22
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5.1 RS232 instructions ...............................................................................................23
5.2 RS485 Instructions ...............................................................................................23
5.3 USBinstructions: ..................................................................................................23
5.4 Dry Contact instructions ........................................................................................23
5.5 SNMP instructions ...............................................................................................23
5.6 EPO interface ......................................................................................................24
6 Daily Maintenance .........................................................................................................24
6.1 Battery use and maintenance..................................................................................24
6.2 UPS maintenance .................................................................................................24
6.3 Safe Step Maintenance..........................................................................................24
6.4 Troubleshoot........................................................................................................25
6.5 package, shippment and storage..............................................................................26
6.5.1 package .....................................................................................................26
6.5.2 shippment..................................................................................................26
6.5.3 storage......................................................................................................26
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1 SYSTEMS
1.1 BRIEF INTRODUCTION
DSP series UPS are mainly applied to computers, data center, administration
center of networks, precision instruments ect. providing high reliable AC
uninterruptible power supply.
The UPS, equipped with dual-conversion design with output isolation
transformer and advanced complete digital control technology, keep on providing the
load with clean uninterruptible power with stable voltage and frequency when the
mains off.
1.2 SYSTEMS CONFIGURATION
ＩＮＶＰＦＣＲＥＣＦＩＴＥＲ
Bypass input
AC input
Battery
DSP series UPS is composed of input & output switches, input & output EMI
filter, rectifier, inverter, output transformer, static switches, battery, maintenance
bypss switch ect.
The main circuit of input power through air breaker input, and get into rectifier
unit by input EMI filter.The rectifier transfer AC power to DC power then get into
PFC circuit to improve UPS input power factor.The partial circuits adopt time delay
soft-start and PFC control technology improving system’s impact resistance and input
power factor and greatly decreasing the harmonic pollution when UPS come back to
energy grids and making UPS use power much better.
Battery connection gets through the switch and contactor, and boost upto DC Bus
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voltage by PFC. The contactor pull in only when the DC Bus voltage reach upto a
certain valu e. The battery supply DC power to inverter via the PFC circuit.
Bypass input power through air breaker input, and control output by static bypass
switch.
The whole systems adopts complete digital DSP control. All of UPS inverter
control, phase synchronization, input rectifier control and logic control ect adopt DSP
digital signal manager, which has high precision, fast speed, easy circuit and high
reliability.
The systems ha s the following working modes.
1.3 Working Mode
l Normal working mode
ＩＮＶＰＦＣＲＥＣＦＩＴＥＲ
Bypass input
AC input
Battery
Figure1.1 Normal working mode
Figure 1.1，when the AC is normal, the AC will pass the UPS through rectifier
and inverter and the UPS will output pure and stable AC power to the load. At the
same time, the UPS charges the battery.
l Battery working mode
ＩＮＶＰＦＣＲＥＣＦＩＴＥＲ
Bypass input
AC input
Battery
Figure1.2 Battery working mode
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Figure 1.2，When AC is abnormal or inverter failure, the UPS input rectifier is
off and the DC power from battery is supplied to inverter through static switch and
then output pure and stable AC to load. At the same time, UPS stops charging the
battery.
l Bypass working mode
ＩＮＶＰＦＣＲＥＣＦＩＴＥＲ
Bypass input
Battery
AC input
Figure1.3 Bypass working mode
Figure 1.3 ， when the inverter is abnormal,for example, overload,over
temperature, short-circuit or failure, UPS will turn off the inverter automactially and
turn on the bypas s static switch and then the bypass will supply the power to load. At
the same time, UPS is uable to provide uninterruptible power to the load and the
power is just supplied by AC from the bypass.
l Maintenance working mode
ＩＮＶＰＦＣＲＥＣＦＩＴＥＲ
Battery
AC input
Bypass input
Figure1.4 Maintenance working mode
Figure 1.4，when the UPS is needed to be repaired, in order to make sure
continous power supply to the load;the UPS has to transfer to the bypass working
mode and please turn on the maintenance bypass switch and turn off the UPS input
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switch, ouput switch and battery switch and then the UPS is transferred to
maintenance working mode, see the arrow in the figure; it is safe to repair the UPS as
there is no power inner the UPS at this time.
1.4 Function and Features
1.Advanced DSP digit control technology
the inverter control, phase synchronization, input redtifier control, logic control ect…
all adopts DSP digit signal technology with high precision, high speed, high
reliability.
2.High input power factor,green energy-saving power
Input power factor reaches up to 0.99; input current total harmonic distortion
THDI<5%;
3.Wide input voltage and frequency range
4.Excellent network monitor function
With RS232,RS485,SNMP,USB,dry contact interface port available, support
TCP/IP protocol
5.Big LCD display
6.Perfect protection
UPS has input low / over voltage protection, output low / over voltage
protection,overload protection, short-circuit protection, overheat protection; ECO
protection, surge protection ect.
7.Cold start and AC start functin
When there is no AC, UPS can start by the battery set; or when there is no
battery, UPS can start by AC; when AC returns, UPS starts automactically
8.Easy for maintenance
with manual bypass maintenance design; when the UPS is in repair, the UPS can still
supply power to the load.
1.5 Technical Specification
Model 8806 8810 38810 38815 38820 38830
Rated capacity 6KVA 10KVA 10KVA 15KVA 20KVA 30KVA
W orking mode and principle Online, static bypass switch(uninterruptible transfer), double conversion
Configuration
Single phase input , single phase
output
Three phase input and single phase output
Input power factor >0.99 >0.95 Rectifier
input
Rated voltage 220VAC 380/400/415VAC
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