Operating instructions
Contents
1. time max 72h and temperature limited to max 45 C 113 F When using constant currents they are to be limited to 1 5 A 100 Ah Cio On exceeding the temperature maximum the charging must either be stopped or proceeded with reduced current or be switched to float charge to allow the temperature to drop The equalizing charge when executed with constant current is completed when the individual cell voltages no longer increase within 2 hours e Ripple currents During recharging up to 2 40 V cell the RMS value of the AC ripple current may reach temporarily max 20 A 100 Ah Cio After recharging and at stand by float or buffer operation the RMS value of the ripple current must not exceed 5 A 100 Ah Cio 3 5 Special cases a Charging a new battery Can be done by using IU or Ul characteristics 3 3a and 3 3b with increased voltage of 2 33 to 2 40 V cell Charging times b Recharging After a discharge the battery can be recharged at operating voltage see 3 1a This can take weeks until months for a complete recharge To reduce the charging time the recharging can be carried out by using IUU characteristics 3 3a with increased voltage 2 33 to 2 40 V cell x number of cells with automatic reduction switching point to the operating voltage under 3 1a Recharging times are dependant on the charging current available as a rule they run to 12 to 24 hours at initial currents between 2xl10 to 0 5xI10 Using IUl characteristics i2. 1 044 1 070 1 089 2V 18 OPzV block solar 1290 668 1 030 1 110 1 260 1 290 1 308 Reference temperature for all data is 20 C 68 F The manufacturer reserves the right to alter technical specifications 1 2 internal resistance and short circuit current according to IEC 60896 21 Cun R i Length Width Height Weight Ah mQ kA mm mm mm kg 1 80 348 1 200 1 70 105 208 420 20 0 415 0 960 2 15 126 208 420 23 0 499 0 800 2 147 208 420 28 8 609 0 710 2 88 126 208 535 32 0 732 0 600 3 46 147 208 539 36 7 813 0 510 4 04 168 208 539 41 0 979 0 450 4 58 147 208 710 52 0 1 255 0 340 6 10 215 193 710 68 9 1 620 0 270 7 63 215 235 710 84 6 1 896 0 230 9 15 215 271 710 99 6 2 294 0 240 8 58 215 271 855 115 0 3 120 0 180 11 40 215 400 815 156 2 3 936 0 144 14 30 215 490 815 195 0 4 200 0 131 15 67 215 580 815 216 0 4 800 0 120 17 10 215 580 815 236 0 4 968 0 111 18 52 215 580 815 250 0 Coron Rit kk 2 Length Width Height Weight Ah mQ kA mm mm mm kg 1 80 74 8 21 60 0 58 272 205 385 43 144 10 80 1 15 272 205 385 32 216 7 207 173 380 205 385 74 2 300 2 70 2 30 272 205 385 Syl 374 2 16 2 88 380 205 385 65 448 1 80 3 45 380 205 385 73 8 900 0 30 6 90 272 205 385 51 1 123 0 24 8 63 380 205 385 65 1 348 0 20 10 35 380 205 385 73 8 Akkumulatorenfabrik MOLL GmbH Co KG P O Box 11 20 96225 Bad Staffelstein Germany 49 0 95 73 96 22 0 49 0 95 73 96 22 11 info moll batterien de www moll batterien de 02 2011
3. Operating instructions Stationary solar valve regulated lead acid batteries WARNINGS A A Observe operating instructions and position them within sight of the battery Work only on batteries under instruction of skilled personnel When working on batteries wear safety glasses and protective clothing Comply with accident prevention rules as well as with EN 50272 2 No smoking Do not expose the battery to an open flame a glowing fire or sparks as explosion and fire hazards exist Acid splashes in the eyes or on the skin must be washed out or off with plenty of water Then see a doctor immediately Clothing exposed to acid should be washed out with water without delay Explosion and fire hazard due to explosive gases escaping from the battery Caution Metal parts of the battery are always live therefore do not place items or tools on the battery Avoid short circuits The electrolyte diluted sulphuric acid is highly corrosive Under normal operating conditions contact with electrolyte is prevented In case of damage of the container contact with the gelled sulphuric acid has to be avoided Itis highly corrosive as well Block batteries or cells are heavy Ensure secure installation Only use suitable transport equipment Dangerous voltage Usage of the battery which does not comply with the OPERATING INSTRUCTIONS repairs carried out with spare parts not approved by use of additives in the electrolyte or unau
4. between cells blocks should be 10 mm If necessary the surfaces of the poles and connectors have to be cleaned Multipole cells have to be connected using all poles with same diameter and length of connectors The connectors have to be firmly seated by tightening the terminal screws with a torque of 22 1 Nm Cable connectors have to be secured during mounting by cable holders see Installation Instruction 2 Commissioning Connect the battery to the DC power supply with the charger switched off battery fuses removed and the load disconnected ensuring that the polarity is correct Positive terminal of the battery to the positive terminal of the charger If the cells blocks have been stored for more than 4 weeks check the open circuit voltage OCV before start of charging to ascertain the optimum commissioning charge e Charging according to 3 3c if the cells have OCV s gt 2 08 V Used batteries with this symbol are reusable goods and must be returned to the recycling process or must be disposed in accordance with the rules of the country concerned e If the cells have OCV s lt 2 08 V charging according to 3 3b or 3 3d In case of 3 3d charge one day per month storage time to equalise the state of charge of the cells blocks e f cells have an OCV lt 0 02 V below average contact the battery manufacturer The first charge should be monitored to ensure that limits are not exceeded and that no unacceptable temperatu
5. fter_a partial or complete discharge but at least within a period of one week up to 4 weeks to 100 b Self discharge If the battery voltage is permanently less than floating voltage see 3 3 c e g without charge or voltage too small the battery discharges by itself It results in a loss of capacity and possible sulphation of the electrodes c Voltage drop When discharged with currents higher then 1100 a fully charged battery shows a voltage drop in the beginning about 5 of the discharge followed by a voltage maximum at about 10 of discharge time The presence and the depth of this drop can be a fine indicator for the state of charge SOC before discharging d Discharge regimes Discharge capacities currents and voltages are specified in the last page For other discharge data times currents capacities end voltages temperatures please contact battery manufacturer Never discharge the battery below the specified final voltages The end cell voltage for all discharges of 10 hours or longer is 1 8 V cell No more than specified capacities are to be discharged Charge immediately after discharge as well as after partial discharge 3 3 Charging with alternative power supply When using an alternative power supply the battery charger is not always able to supply the maximum load current The load current can exceed the nominal current of the battery charger The battery supplies power during this period and the battery
6. given by the application Please see exact values in section 3 4 Special cases The IUU characteristic provides a switching point after a higher first constant voltage to operating voltage b IUI characteristics Very effective method in order to recharge batteries in short time and to crack sulphations At first an IU characteristic is applied to the battery After a given time held out at constant voltage the charging method is then extended by using a reduced constant current I This current is limited to 1 5 A 100 Ah Cio The cell or battery voltage reaches values between 2 60 and 2 75 V cell Check if loads have to be disconnected before If temperatures higher than 45 C 113 F occur the charging has to be interrupted The fully charged state is reached when the cell voltages have not risen for a period of 2 h c Float charge float voltage A battery is float charged when the electrodes are sufficiently polarized in that quantity that the floating current compensates the self discharge rate see 3 2b of the battery A fully charged battery remains at 100 SOC while being floated The float voltage depends on acid density Please take the values from following table d Equalizing or boost charge Charging method with increased gassing activity at higher cell voltages gt 2 33 V cell done with either increased constant voltage e g 2 33 to 2 40 V cell or constant current The application of this method shall be
7. lls and the room temperature Every 12 months e Voltages of all cells olocks and surface temperatures of pilot cells blocks have to be measured and listed e Connectors racks and ventilation have to be visually checked and restored if necessary Should the float charge voltage of single cells 8 Technical data deviate more than 0 2 V or 0 1 V from the average value see 3 3 and should the surface temperatures of different cells olocks deviate more than 3 K the customer service should be called A service contract with battery manufacturer or its local agent is recommended 5 Tests Tests must be conducted according to IEC 60896 21 6 Storage and taking out of operation Should batteries be stored or taken out of operation for extended periods they must be stored fully charged in a dry frost free room To avoid damage one of the two charging methods has to be selected a Equalising charging every 3 months If the temperatures are higher than 30 C 86 F intervals are necessary b Float charging as under 3 3c 7 Transport Cells batteries are protected against short circuit They are no dangerous goods in accordance with the road and railway transportation regulations ADR RID if they show no damage and are protected against sliding falling over and damaging They also have to be piled up on pallets in accordance with the ADR special rule 598 Chap 3 3 During sea and air transport of cells batteries the rules
8. of IMDG Code or IATA DGR must be followed room shorter MOLL OPzV solar Type Cin Cion Goh Crh Cioo h C120 h Ue Ah Ah Ah Ah Ah Ah V cell 1 65 1 80 1 80 1 80 1 80 1 80 4 OPZV solar 330 136 239 262 315 329 334 5 OPzV solar 390 165 286 314 378 394 400 6 OPzV solar 470 198 344 378 453 473 481 5 OPzV solar 590 252 444 496 573 587 594 6 OPzV solar 710 303 532 596 688 705 712 7 OPzV solar 790 341 597 666 763 785 793 6 OPzV solar 930 391 700 794 907 932 942 8 OPzV solar 1190 506 903 1 022 1 166 1 190 1 200 10 OPzV solar 1530 647 1 150 1 312 1 504 1 530 1 548 12 OPzV solar 1800 762 1 360 1540 1 764 1 800 1 812 12 OPzV solar 2200 954 1 640 1 854 2 160 2 200 2 220 16 OPzV solar 3010 1 291 2 240 2 520 2 944 3 010 3 036 20 OPzV solar 3780 1 618 2 820 3 160 3 700 3 780 3 816 22 OPzV solar 4040 1 749 3 020 3 400 3 960 4 040 4 080 24 OPzV solar 4610 1 960 3 430 3 860 4 521 4 610 4 656 26 OPzV solar 4770 2 067 3 570 4000 4 680 4 770 4 824 MOLL OPzV block solar Type Cin Cion C2on Cron Cioon Cr20h Ue Ah Ah Ah Ah Ah Ah V cell 1 65 1 80 1 80 1 80 1 80 1 80 12V 1 OPzV block solar 70 37 1 5A 61 6 69 9 71 8 72 6 12V 2 OPzV block solar 140 71 5 109 118 133 137 138 12V 3 OPzV block solar 210 107 165 178 201 206 208 6V 4 OPZV block solar 290 148 229 246 280 287 290 6V 5 OPzV block solar 360 185 286 308 349 359 362 6V 6 OPZV block solar 430 222 344 370 419 431 435 2V 12 OPzV block solar 860 445 688 740 835 862 872 2V 15 OPzV block solar 1070 557 860 926
9. res occur When charging is finished switch off the charger or switch over to float charging as per 3 3c 3 Operation 3 1 Operation modes stand by and buffer In this case the load the DC power supply and the battery are connected permanently in parallel Thereby the charging voltage is the operational voltage of the battery and also the system voltage a During stand by operation float the DC power supply must be always able to provide the maximum load current and the battery charging current The battery only supplies current if the DC power supply fails The charging voltage at 20 C 68 F must be set to 2 25 V 1 x number of OPzV solar cells The number of cells per block is given by the nominal block voltage divided by 2 V b During buffer operation the DC power supply is not always able to provide the maximum load current The load current temporarily exceeds the rated current of the DC power supply During this time the battery supplies current Depending on the load and after having consulted the battery manufacturer the charging voltage should be set at 2 25 2 30 V x number of cells for OPzV solar 3 2 General terms for discharging a Discharge A battery is discharged when it supplies an electrical current by switching of the charger and connecting the load with the battery poles During discharge the active materials are converted to lead sulphate and water Batteries have to be recharged immediately a
10. s also recommended c Equalizing charge After deep discharge or after inadequate recharging equalizing charging is necessary See 3 4d 3 5 Battery temperature and related charging voltage All technical data refer to the nominal temperature of 20 C 68 F The recommended temperature range is 10 C 50 F to 30 C 86 F Higher temperatures reduce the operational life Lower temperatures reduce the available capacity Exceeding the temperature limit of 45 C 113 F up to 55 C 131 F is acceptable only for short periods A temperature related adjustment of the charging voltage within monthly averaged battery temperature of 10 C 50 F to 45 C 113 F must not be made A decrease of the charging voltage at temperatures above 20 C 68 F endangers the fully charged state of the battery Below 10 C 50 F in the monthly average the charging voltage should be increased 0 003 V cell K for a faster recharging 4 Maintenance To avoid leakage currents and the associated risk of fire keep the battery dry and clean Cleaning with clean water no detergents no solvents Avoid electrostatic charges During whole life time the battery needs not to be refilled with water The electrolyte is diluted sulphuric acid and fixed as GEL made with micro porous SiOz To be measured and listed every 6 months e battery voltage e voltages of some cells blocks pilot cells e surface temperatures of pilot ce
11. thorised manufacturer interference with the battery will invalidate any claim for warranty MOLL BATTERIES OPzV solar amp OPzV block solar Number of cells blocks General Valve regulated lead acid batteries must not be topped up with water through their entire life The valves must not be opened because access of oxygen discharges the cells During charging the cells will release hydrogen through the valve Observe the ventilation instruction EN 50272 2 Protect batteries from direct sunlight For the assembly and operation of stationary battery installations EN 50272 2 applies The battery must be installed and operated in such a way that the ambient temperature differences between the cells blocks of one battery are lt 3 K 1 Installing the battery Install the racks or cabinets provided for the installation in the correct location Inspect all cells olocks for mechanical damage Cells blocks may be operating in upright or if ordered and designated correspondingly in horizontal position Use our Installation instruction and for horizontal installation pay attention to our Supplement to the Installation instruction Having battery strings connected in parallel care must be taken that the same thermal environment and the same electric connection resistance are applied Therefore normally not more than 4 partial batteries are connected in parallel Set up the cells blocks with the correct polarity The distance
12. will not be fully charged The charge voltage has therefore to be set at floating voltage up to 2 35 V cell 1 x number of cells At regular discharges of less than 0 4 x Cio a charging voltage of 2 30 to 2 35 V cell has to be used At regular discharges from 0 4 to 0 6 x Cio the charging voltage should be 2 35 to 2 40 V cell In accordance with item 3 3 d the charging time at those increased voltages shall be limited to maximum 72 h If no discharge follows then switch to stand by operation At stand by operation without cycling the batteries should be operated at float charge with 2 25 V cell 1 for OPzV solar After deep discharge or after inadequate recharging an equalizing charging as per Item 3 3d is necessary 3 4 Charging with external charger Charging must only be carried out with direct current Chargers with IU or Ul characteristics according to DIN 41773 may be used a IU or IUU characteristics Starting with a given initially constant charging current I the cell or battery voltage reaches the given final value which depends on the charging requirement by the application The charger automatically switches then to constant operating voltage U 3 1a As long as the final voltage is not reached yet the charging current is limited only by the charger Typical values for constant currents are 0 5 to 2 0 times 110 Typical constant voltages are 2 25 2 27 2 35 2 40 V cell The different voltages are
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