Pocasa H1KS, H1KL, H2KL, H2KS, H3KS User Manual
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H series online UPS LCD 1-3KS/L
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Thank you for purchasing our UPS, it is safe and liable, needs few maintenance.
☆ This manual includes instructions of safety installation and operation, they help your UPS to have the
longest service life. This manual also accounts the UPS work principle and relative functions.
☆ Please obey the instructions and notes stated in this manual. Keep this manual in a safe place, consult
it before operation.
Safety rules
● Even if not connected to main power, high voltage may still presents at UPS outlets.
● If the external battery cord or power cord needs to be replaced, please contact our service station or
franchiser for replacing to avoid fire disaster caused by insufficient capacity of such items. Don't dispose of
battery or batteries group in a fire, otherwise, it can cause explosion and harm to people. Don't open the
battery or do the battery damage, for the liquid spilled from battery is strongly poisonous and do harmful to
body.
● Please avoid short-circuit between battery anode and cathode; otherwise, this will cause electric shock or
fire.
● Don't dismantle the UPS cover, there is danger of electric shock.
● Don’t touch batteries. Batteries are not isolated with the input circuit, there is high voltage between the
battery terminals and ground.
● Don’t connect with the electric equipment such as blower, heater, drilling machine etc. They may damage
the UPS.
Note: POCASA reserves the right to make changes to product described in this manual at any time and
without notice for reasons of improvement.
Notice:
There presents high voltage in UPS. If there is any abnormal problem present, please consult the
service center and do not attempt to repair the equipment under any circumstances. The address
of service center has been detailed on the warranty card.
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Contents
1. Brief introduction-------------------------------------------------------------------------------------------------------------------4
1.1. Technology introduction-----------------------------------------------------------------------------------------------------4
1.2. System and model description--------------------------------------------------------------------------------------------5
1.3. Description of commonly used symbols---------------------------------------------------------------------------------5
1.4. Appearance--------------------------------------------------------------------------------------------------------------------6
1.5. Product specification and performance---------------------------------------------------------------------------------8
2. Installation----------------------------------------------------------------------------------------------------------------------------8
2.1. Unpacking and inspection--------------------------------------------------------------------------------------------------9
2.2. Safety notes--------------------------------------------------------------------------------------------------------------------9
2.3. The description of front panel and display lamp---------------------------------------------------------------------10
2.4. UPS input connection------------------------------------------------------------------------------------------------------11
2.5. UPS output connection----------------------------------------------------------------------------------------------------12
2.6. External battery connection----------------------------------------------------------------------------------------------13
3. Operation and operating mode------------------------------------------------------------------------------------------------14
3.1. Operation---------------------------------------------------------------------------------------------------------------------14
3.2. Operating mode-------------------------------------------------------------------------------------------------------------15
4. Notes for battery disposal and battery replacement---------------------------------------------------------------------20
5. Troubleshooting-------------------------------------------------------------------------------------------------------------------21
Appendix: EMC grade standards------------------------------------------------------------------------------------------------23
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1. Brief introduction
1.1. Technology introduction
● This UPS is a sophisticated piece of equipment with 16 bit Microprocessor and advanced software
programming technology, high frequency SPWM is created to control the inverter of UPS. This simplifies the
control circuit, enhances the stability of UPS, also enables the UPS to have enhanced real-time performance
that makes UPS respond the variety of external environment rapidly and insure that the control circuit is
compact and reliable.
● Digital control technology to avoid the temperature excursion of hardware specification
● Self-diagnoses before startup help UPS to find potential failure to avoid any losses
● Double conversion on-line topology, which makes the UPS a pure sine wave machine with constant
frequency, constant voltage, low noise and no interruption with mains power fluctuation, it protect the user's
equipments ideally all the time.
● No transfer time when main power fail or main power restore, meets the requirements of precision
instruments.
● Standard bypass function
When UPS meets a fault, it can transfer to bypass seamlessly and provide alarm.
● Advanced voltage compensation technology, makes the wide input voltage range, reducing the battery
usage, enhancing the adaptive ability against the bad mains power variation.
● Advanced wide frequency input technology
Wide input frequency range of UPS gives UPS a good compatibility with generator under field
circumstances.
● The advanced PFC technology on the input of UPS, improves the input power factor close to unity, raises
the power efficiency, removes the harmonic noise from UPS to utility, lowers UPS operational costs, it's
really an environmental friendly protection power supply.
● Smart management function
Under mains power blackout, UPS would transfer to battery mode to supply power to loads, when battery
voltage is low, UPS would protect itself and shuts down automatically. When main power restores, UPS
would be turned on automatically to supply power to loads.
● Cold start function
When there is no input, UPS can be turned on with battery pack, to meet the user's emergency needs. The
cold start function is quite strong. UPS can be cold started on full load situation.
● Fault operation prevention function
Every button has delay function, only when you press and hold the button for a certain time, required
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operation can be activated.
● Smart management function
Under mains power blackout, UPS would transfer to battery mode to supply power to loads, when battery
voltage is low, UPS would protect itself and shuts down automatically. When main power restores, UPS
would be turned on automatically.
● Via internal or external SNMP card, UPS can go on internet, you can monitor and manage the UPS status
through all kinds of network management system.
1.2. System and model description
H online series is an uninterruptible power supply incorporating double-conversion technology. It provides
perfect protection specifically for computer equipment communication systems to computerized instruments.
Its true online double-conversion design eliminates all mains power disturbances. A rectifier converts the
alternating current from the utility power to direct current. This direct current charges the batteries and
powers the inverter. On the basis of this DC voltage, the inverter generates a pure sinusoidal AC voltage,
which is constantly powering the loads.
Computers and peripherals are thus powered entirely by the UPS. In the event of power failure, the
maintenance-free batteries power the inverter.
This manual is applicable to the following models:
1) H1KS, H2KS, H3KS are standard models with inbuilt battery.
2) H1KL, H2KL, H3KL are long backup time models, which are able to connect with the external battery
bank.
1.3. Description of commonly used symbols
The following symbols will be used in this manual and may appear during the course of your practical
applications. Therefore, all users should be familiar with them and understand their meanings.
Notation and explanation
Notation Explanation
Alert you to pay special attention
Caution of high voltage
Turn on the UPS
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Turn off the UPS
Idle or shut down the UPS
Alternating current source(AC)
Direct current source(DC)
Protective ground
Alarm silence
Overload indication
Battery check
Recyclable
Do not dispose with ordinary trash
1.4. Appearance
Front display panel
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H2/3KS rear panel
EXT.BATTERY
COMPUTER
INTERFACE
INTELLIGENT SLOT
BREAKER
NETWORK/FAX/MODEM
SUGER PROTECTION
OUT
IN
OUTPUT
FAN
INPUT
OUT
IN
H1KL rear panel
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