KR LCD Series（ （1~3KVA） ）UPS User’s Manual www.ups-teknik.
【NOTE】 】 Please carefully read the user’s manual before operation for the sake of understanding correct operation of the instrument. Please keep the manual handy for future reference. WARNING The input and output of the instrument is with danger high voltages which may endanger the safety of life. Please strictly follow the operating description is not allowed to remove the cover of the instrument. 。 1. Please keep the instrument connect the ground before connecting instrument 2.
startup. 14. Please contact the professional personnel of the local dealer or the special maintenance station for any trouble-shooting. Random disposal of the trouble is not allowed. 15. The instrument should be maintained by the service professional. 16. This is an A-grade product with electromagnetic compatibility.
Contents 1.Overview.............................................................................................................................................. 1 1.1 Profile .......................................................................................................................................... 1 1.2 Model Meaning Explanation........................................................................................................ 1 1.3 Performance Index.....................................
4.4 Battery Daily Maintenance........................................................................................................ 17 4.5 Battery Changing ...................................................................................................................... 18 4.6 Maintenance Guide................................................................................................................... 18 4.6.1 Safety Precaution.....................................................................
1.Overview 1.1 Profile KR1000, KR2000, KR3000 series UPS are total high frequency, pure online and intellectualized UPS. They are also ideal power guarantee for file server, enterprise server, central server, microcomputer, concentrator, telecommunication system, data center, medical facilities and those requiring high quality power protection. They can be widely used in many key business areas such as post & telecom, finance, network, securities and railway, etc.
（ ）User’s Manual UPS KR Series 1~3KVA 1.3 Performance Index The main performance index of KR1000/KR2000/KR3000 Series is shown in Table 1-1. Table 1-1 Input Characteristic Index Model KR1000 KR1000L KR2000 Voltage range (V) KR2000L KR3000 KR 3000L 140V-280V Frequency range (Hz) 45-55 (setting with software) Input mode Single-phase three-line Power factor 0.
1.
（ ）User’s Manual UPS KR Series 1~3KVA 3． High creepage danger! Connect to the ground before connecting UPS. 4． Install this UPS indoors with both temperature and humidity under control and without dust. 5． The electric power of this UPS has multiple sources. Before maintaining, cut the alternating current, exterior battery or interior battery's air switch to isolate the input energy. 6． Even if the AC power supply has been cut off, the danger from battery's high voltage inside the UPS still exists.
2 .Structure and Basic Principles 2.1 General Structure 2.1.1 KR1000 Series Front Panel, Rear Panel Structure Front and rear panel structure of the main unit of KR1000 and KR1000L are illustrated in Fi. 2-1. LCD Display ON/OFF LINE RS232 Port INV. BYPASS OK RS232 FAULT SELECT AC Output Sockets AC OUTPUT DC INPUT AC Input Socket Fuse (Front Panel) DC Input AC INPUT FUSE (Rear Panel) Fig.
（ ）User’s Manual UPS KR Series 1~3KVA (INV), output indicator (OUTPUT), battery status light (BATT.),capacity indicator of load and battery. Load status light and battery status light are respectively composed of four indicator lights, each standing for 25% of total capacity. ON/OFF LINE INV. BYPASS OK FAULT SELECT Fig. 2-2 KR1000 Panel Indicator 2.1.
不间断电源 KR 系列（1~3KVA）用户手册 2.2 Basic Principles When commercial power is normal, KR series UPS input, through PFC, increases the voltage to ±410V stabilized DC voltage, which supplies DC/AC inverter and transmits stable 230V AC, while at the same time completing the charging of the battery. When commercial power is abnormal, the battery increases the voltage through DC/DC to ± 410V DC voltage and supplies DC/AC inverter. UPS principle lock diagram is shown in Fig. 2-5.
3 .Equipment Installation 3.1 Site and Environment Requirements Before UPS installation, the site and environment of equipment room should meet the essential conditions for safe and normal operation of equipment as defined in this section.
（ ）User’s Manual UPS KR Series 1~3KVA Cooling mode: air-cooling; Verticality: no shock with orthogonal rake not exceeding 5º. 3.2 Procedures of Dismantling Cases When installing the equipment, the packing should be removed after carrying the equipment to the installation site. The packing of UPS equipment and fittings (battery, etc.) should be wooden case and carton. Check the UPS equipment and fittings against the shipping list.
（ ）User’s Manual UPS KR Series 1~3KVA equipment in equipment rooms with allowed conditions. Refer to Fig. 3-1 for the precautions of UPS installation and use. Fig. 3-1 Precautions of UPS Installation and Use 1．Place UPS on flat floor (avoid oblique and ragged floor). 2．Keep good ventilation, the distance of the back and side to the wall should be above 30cm~50cm, to facilitate heat emission. 3．Avoid placing it in the location with sunniness, rain and dampness.
（ ）User’s Manual UPS KR Series 1~3KVA input, which is without creepage protection in order to avoid error action. The distribution box should be better to be manufactured by professional company. Please refer to Table 3-2.
（ ）User’s Manual UPS KR Series 1~3KVA 3-2. RS232 Socket output to load Socket output to load AC OUTPUT Socket output to load DC INPUT Commercial power socket AC INPUT FUSE ! DC input (36VDC) For long time-delay UPS, connect to commercial power first, then to battery expansion line. Commercial power input Fig. 3-2 KR1000 Series connection Schematic The AC input and output of KR1000 series only adopt the socket.
（ ）User’s Manual UPS KR Series 1~3KVA BATTERY OFF ON POWER RS232 Commercial power input ! For long time-delay UPS, connect to commercial power first, switch on air switch, then connect to battery expansion line. Terminal output to load L N N AC INPUT L GND AC OUTPUT DC INPUT DC INPUT (96VDC) Socket output to load ! Output socket load sharing AC OUTPUT Socket output to load Fig. 3-3 KR2000 Series connection Schematic The AC input and the AC output of KR2000 series adopts socket .
（ ）User’s Manual UPS KR Series 1~3KVA BATTERY OFF ON POWER RS232 Commercial power input ! For long time-delay UPS, connect to commercial power first, switch on air switch, then connect to battery expansion line. Terminal output to load L N N AC INPUT L GND AC OUTPUT DC INPUT DC INPUT (96VDC) Socket output to load ! AC OUTPUT Output socket load sharing Socket output to load Fig.
（ ）User’s Manual UPS KR Series 1~3KVA line wire (L), neutral wire (N) and ground wire (GND) is correct. Whether the connection of AC input wire is firm. 2． Inspection of AC output wire: Whether the AC output wire color spectrum is normative. Whether the wire size of AC output cable is suitable. Whether switch in the control switch outside. Whether the connection of line wire (L), neutral wire (N) and ground wire (GND) is correct. Whether the connection of AC output wire is firm.
4 . Equipment Use and Maintenance 4.
不间断电源 KR 系列（1~3KVA）用户手册 4.3 Daily Start-up and Shutdown During daily operation, operate as per the following for start-up or shut down: 1． Keeping press the " ON/OFF " button 0.5 second on the UPS panel to start UPS, after 10 seconds, turn on the computer or other instrument. 2． Normally, only when the UPS has been started and is working stably, can the loading equipment power switch be turned on. First turn on high-power equipment, then the equipment with lower power.
（ ）User’s Manual UPS KR Series 1~3KVA 6． When cleaning battery case, only use wiping cloth and clear water, do not use oil substance or organic solvent such as gasoline and thinner, etc. 7． Battery and battery unit should be kept away from ignition source as well as all electrical equipment that may easily cause spark, to avoid causing unnecessary loss.
不间断电源 KR 系列（1~3KVA）用户手册 relatively long service life of the equipment. Preventive maintenance includes some procedures that are frequently performed. These procedures are used to prevent system failure as well as to obtain best operating efficiency. Remedial maintenance includes searching for system malfunction to facilitate effective repair. 4.6.
（ ）User’s Manual UPS KR Series 1~3KVA clogging of the air outlet. Repair it if there is any damage. 4． Perform periodic inspection on battery voltage and UPS working status. 4.6.3 FAQ If the UPS fails to work properly after starting, please don't jump to the conclusion of UPS failure. Please refer to the following and try to solve the problem. Problem 1 Power supply is normal; UPS is able to output AC 220V after start, yet in the status of battery inversion with buzzer giving intermittent buzzing.
不间断电源 KR 系列（1~3KVA）用户手册 （1）UPS severe overload or output circuit short circuit. Reduce the load to an adequate amount, or check the cause for short circuit. In many cases, it is caused by output adapter short circuit or input short-circuit fault owing to equipment damage. （ 2 ） Failure to follow the load start-up sequence which shall begin with heavy-duty equipment to low-duty ones. Restart UPS and wait till UPS runs stably; first start heavy-duty equipment and then devices of lower duties.
（ ）User’s Manual UPS KR Series 1~3KVA 4.7 Troubleshooting 4.7.1 Overview In the case of device failure, first of all, find out any obvious damage and try to determine what causes the failure: device problem or external environment (such as temperature, humidity and load). Always check these external factors before coming to the conclusion of UPS system damage. 4.7.2 Troubleshooting Only some simple troubleshooting suggestions are provided here.
不间断电源 KR 系列（1~3KVA）用户手册 Possible cause: Poor earth connection as a result of much too high floating voltage of the zero line and earth wire. 5．All of panel indicator lamps are off. Possible cause: Poor connection or malfunction of display control panel.
5 . Packing, Transportation and Storage 5.1 Packing UPS main unit is packed in packing-paper carton. The interior volume of the carton ( L × W × H) is: 645mm×310mm×450mm（KR2000，KR3000）and 600mm × 270mm × 310mm （ KR1000 ） . Pay attention to laying direction requirements for each part when packing. The side faces of the carton are printed with such direction marks as keep dry, handle with care, this end up, pile number limit, as well as equipment model and other relevant information. 5.
