the User Manual for the MPP165, MPP250 and MPP350
Contents
1. Charging programs for lead batteries If not being specified divergently by the battery manufacturer the suitable charging program for the battery type design technology can be determined by means of the following description and the technical data voltage rates U1 and U2 nominal temperature and dwell times U1 Lead Storage Battery Note The possible parallel floating operation with consumers being connected to the battery is also automatically considered by all charging programs Gel Charging program for gel dryfit batteries Adapted to closed gas tight Gel batteries with determined electrolytes which are generally requiring a higher charging voltage level and longer dwell times U1 to achieve short charging times with particularly high capacity storage and to avoid total discharge e g EXIDE Sonnenschein dryfit Start Dryfit Sport Line DETA Gel Battery Funline Bosch AS Gel Batteries Va Z AS Gel Drive Batteries AS Gel Lighting Batteries If not being specified divergently by the battery manufacturer also recommended for batteries in round cell technology such as EXIDE MAXXIMA DC EXIDE DETA VARTA Characteristic Line Gel U10U2 U1 Main Full Charging 14 30 V 20 C 3 10 h U2 Full Trickle Storage Charging 13 80 V 20 C Continuous Safety mode at insufficient excess temp of the batt 12 75 V 30 C 50 C 1234 Lead Acid AGM1 Charging program for acid lead acid batteries as well as AGM 14 4 V2. For charging and trickle charge of supply board batteries Ensures short charging times high charging factor and acid mixing for open standard batteries and closed low maintenance maintenance free non solid electrolyte lead acid drive lighting solar and heavy duty batteries Also suitable for recently developed batteries low antimonous batteries with silver alloy calcium calcium or similar and batteries with low and very low water consumption as well as AGM batteries with the indication 14 4 V Characteristic line of charging U10U2 Acid AGM U1 Main Full Charging 14 40 V 20 C 1 5 6h U2 Full Trickle Storage Charging 13 45 V 20 C Continuous Safety mode at insufficient excess temp of the batt 12 80 V 30 C 50 C AGM2 Charging Program for AGM Fleece Batteries 14 7 V Adapted to closed gas tight AGM absorbed glass mat batteries and batteries in lead fleece technology requiring a particularly high level U1 for full charging ATTENTION It is highly recommended to check the specification sheet of the battery concerning the high charging voltage U1 14 7 V Unsuitable batteries might age prematurely due to loss of electrolyte 1234 Some manufacturers of AGM fleece batteries are also prescribing a 14 4 V charging program for charging In these cases please set Lead Acid AGM1 14 4 V 13 45 V Characteristic Line AGM Fleece IU10U2 U1 Main Full Charging 14 70 V 20 C 1 5 5 h U2 Full Trickle St
3. Temperature C LiFePO4 Batteries Characteristic line LiFePO4 IU10U2 E U1 with TS U1 without TS The corresponding voltage rates U1 and U2 of the characteristic lines LiFePO4 can be drawn from table 1 U2 without TS 20 10 0 10 20 30 40 50 60 Battery Temperature C Representation Characteristic Line LiFePO4 14 6 V Functions at the Main Board Battery Board If solar power is missing at night the readiness for service of the controller will be indicated by short flashing of the LED light emitting diode MPP In any operating state a totally discharged battery is indicated by means of the LED Batt Low low voltage Now the battery has to be recharged as soon as possible preferably disconnect the consumers MPP 250 Duo Dig and MPP 350 Duo Dig The LED AES will be lighting in case of excess solar power output AES is active A lighting LED MPP indicates proper control functions of the solar controller The most favourable working point for the coordination of solar panel cabling and battery is always ensured 24 1 Maximum charging current Phase I in the lower and mean voltage range of the battery up to the beginning of the phase U1 The MPP control adjusts to the maximum working point of the solar panel and in contrast to conventional controllers thus achieves the highest possible battery charging current for short charging times under the given circumstances sunlight mo
4. g r Order No 2001 e 2 Fuse m Main Battery Option a a ed 5A t ug Vehicle Chassis START Motor Battery Option Note The connection plan shows the maximum terminal assignment for operation of all existing functions of the solar controller The minimum terminal assignment consists of the solar panel inputs and and the connections of the main battery Always connect the fuses as close as possible to the batteries cable protection Required Cable Cross Sections Notes MPP 165 Duo Dig MPP 250 Duo Dig MPP 350 Duo Dig Panel cables length as required 6 10 mm Battery cables length max 2 m Fuse close to battery Cut off Relay The cut off relay which exists in most of the vehicles can of course still be used For charging by the dynamo the cut off relay connects the board battery to the starter battery during running motor of the vehicle The cut off relay is not included in the connection plan Mounting Screw down the solar controller on an even and hard mounting surface at locations being protected from humidity and near the main board battery BOARD I to ensure that the length of the battery s connection cable is as short as possible Vertical installation of the controller is highly recommendable the terminals for solar panel and batteries point down This mode of installation improves cooling of the unit and avoids that water runs along the connection cables of the solar panel into th
5. 0 V 12 V 0 25 5A 4 mA 0 25 5A 12 7 A lt 8 V 12 7 V 8 15 0 V Yes Yes Yes Yes 30A Yes 4 fold Yes 12 V 0 2 A Yes 0 1 0A Yes Yes Yes 131 x 77 x 40 250g max 95 RH no condensation Disposal of The product the product RO H S conforms to RoHS Qualitats Management 2002 95 EC in the Thus it complies acid t household waste with the directives for Reduction of eee is not Hazardous Substances in Electrical and DIN EN ISO 9001 allowed Electronic Equipment Declaration of Conformity CE Delivery Scope e MPP Solar Controller According to the stipulations of the regulations 2006 95 EG 2004 108 EG 95 54 EG this product corresponds to the following standards or standardized documents EN55014 EN55022 B DIN14685 DIN40839 1 EN61000 4 2 EN61000 4 3 EN 61000 4 4 Available Accessories Temperature Sensor LCD Solar Computer S Cable set for connection of the solar controller to the EBL Order No 2001 Order No 1250 Order No 2007 e Operating Manual Subject to misprints errors and technical modification without notice All rights reserved particularly the right of reproduction Copyright VOTRONIC 02 14 Made in Germany by VOTRONIC Electronic Systeme GmbH amp Co KG Johann Friedrich Diehm Str 10 36341 Lauterbach GERMANY Phone 49 0 6641 91173 0 Fax 49 0 6641 91173 20 E Mail info votronic de Internet www votronic de
6. Characteristic line of charging lithium iron phosphate with charging voltage 14 4 V ATTENTION Only connect LiFePO4 batteries with integrated BMS Characteristic line LiFePO4 IU10U2 U1 Main Full Charging 14 40 V 20 C 0 5 3 h U2 Full Trickle Storage Charging 13 55 V 20 C Continuous Battery LiFePO4 Safety mode at insufficient excess temp of the batt 13 00 V 20 C 50 C LiFePO4 14 6 V Characteristic line of charging lithium iron phosphate with charging voltage 14 6 V ATTENTION Only connect LiFePO4 batteries with integrated BMS Characteristic line LiFePO4 IU10U2 U1 Main Full Charging 14 60 V 20 C 0 5 3h U2 Full Trickle Storage Charging 13 60 V 20 C Continuous Safety mode at insufficient excess temperature of the battery 13 00 V 20 C 50 C LiFePO4 14 7 V Characteristic line of charging lithium iron phosphate with charging voltage 14 7 V ATTENTION Only connect LiFePO4 batteries with integrated BMS Characteristic line LiFePO4 IU10U2 U1 Main Full Charging 14 70 V 20 C 0 5 3h U2 Full Trickle Storage Charging 13 70 V 20 C Continuous Safety mode at insufficient excess temp of the batt 13 00 V 20 C 50 C LiFePO4 14 8 V Characteristic line of charging lithium iron phosphate with charging voltage 14 8 V ATTENTION Only connect LiFePO4 batteries with integrated BMS Characteristic line LiFePO4 IU10U2 U1 Main Full Charging 14 80 V 20 C 0 5 3h U2 Full Trickle Storage Charg
7. VOTRONIC Installation and Operating Manual Solar Controller MPP 165 Duo Dig 12V 12A 165 Wp No 1710 Solar Controller MPP 250 Duo Dig 12V 18A 250 Wp No 1715 Solar Controller MPP 350 Duo Dig 12V 25 5A 350Wp No 1720 a Please read the operating manual of the solar controller thoroughly prior to use connection and start up MPP Solar Controller for high quality campers caravans and boats VOTRONIC Solar Controllers of series MPP Maximum Power Point with characteristic line of charging IU10U2 are the link between solar panel s and battery batteries Controllers according to the MPP technology are continuously and automatically calculating the maximum power yield MPP of the solar modules several times per minute The voltage surplus of the solar module will be transformed to a higher charging current for the battery realised by high frequency switching controller technology with high efficiency This surplus of charging current ensures short charging times and the best possible power yield of the solar system Working fully automatically and maintenance free the solar controllers MPP offer the following functions e Increased MPP charging current compared with conventional controllers due to ultramodern controller technology microprocessor by 10 to 30 efficiency gt 95 This enhanced capacity shows particularly in cooler times of the year such as in case of foggy weather conditions or gloomy diffuse light wint
8. attery overtemperature such as gt 50 C automatic return and continued charging in case of drop of the battery temperature by 2 C 2 Disconnection caused by overvoltage at the battery MPP at MPP 165 control green e lIfitis lighting Proper functioning of the solar controller e Short flashing Display of readiness for service in case of missing solar power at night MPP at MPP 250 and MPP 350 control green e fitis lighting Proper functioning of the solar controller The brightness from slight dimly lighting up to full brightness indicates the charging current intensity e l fitis flashing Battery Protection 1 Switchover to safety charging voltage in case of battery overtemperature such as gt 50 C automatic return and continued charging in case of drop of the battery temperature by 2 C 2 Disconnection caused by overvoltage at the battery e Short flashing Display of readiness for service in case of missing solar power at night Batt Low yellow e lfitis lighting Low voltage at main battery I The battery should be recharged as soon as possible All pilot lamps 5 are flashing The positions of the selector switches BOARD Battery are incorrect For reasons of safety the solar controller is switched off Adjust the desired battery type according to table 1 Operating Instructions Lifetime of the battery e Recharge totally discharged batteries immediately Sulphation o
9. by third which has not been ordered by us in writing Service is to be effected exclusively by VOTRONIC Lauterbach z Connection g Never connect the Plan panel connections to ground car body battery Option Votronic LCD Solar Computer S VOTRONIC T mE Charge Total Capacity of Panel i g 54 k SS __ ee MPP 165 Duo Dig max 165 Watt I A MPP 250 Duo Dig max 250 Watt agelious MPP 350 Duo Dig max 350 Wat 0O black red 2 5 10 mm 2 5 10 mm tT Only vertical installation H The terminals must point down TI E i i AES Maximum Power Point Technology i W Batt Full VOTRONIC cone SOLAR REGULATOR eG MPP 350 Duo Digital Solar Panels j r Tit BORD Battery Germany C it Start 1 r BORD z TS TS AES EBL Install the AEEA SOAS a solar controller H near the maih battery Micro slide switch to select battery type see Table 1 red Fuse Option Output ELECTROLUX Option To EBL charging current to the living space battery DOMETIC TEN 2 9 10 mm AES only l Refrigerator ee ho ie Dig a length max 2m MEP as ae Dig Piia pan MPP 350 Duo Dig 30 A A T10 gt Vehicle Si Chassis alternative fT Appliance Vehicle orgy Chassis Relais BOARD Vehicle Chassis Temperature Sensor
10. dule orientation module temperature and module soiling 2 During the following phase U1 the battery voltage will be kept constant on a high level close to the gassing limit the battery determines the charging current according to its charging state the high battery capacity will be charged the LED gt 80 is lighting and Batt Full is lighting dimly The MPP control ensures lower panel load and panel temperature thus allowing an increased efficiency if consumers are additionally switched on The solar controller controls the charging time as well as the charging voltage and switches automatically to the following phase U2 trickle charge If the battery has already been charged fully the charging time will be reduced accordingly 3 During the phase U2 Full charging trickle charge the battery will be kept on its charging level Only the compensating recharging current is flowing being required for conservation of the full charge which is determined by the battery The duration of that phase is not limited the LED Batt Full is lighting intensively LED gt 80 extinguishes In contrast to conventional controllers especially here the MPP control ensures low panel loads and panel temperatures Additional consumers can be held better Now almost the entire solar current is available to the consumers Switching back to the phase I or U1 is effected if the battery had been subject to load for an extended period or if the sola
11. e battery is allowed to cool down As soon as the battery temperature reaches the admissible range again automatic charging will be continued well as unreasonable measuring values In that case it will switch automatically to the usual charging voltage a The solar controller recognizes automatically a missing sensor cable break or short circuit of the sensor lines as rates of 20 C 25 C being recommended by the battery manufacturers Pilot Lamps AES excess power display only MPP 250 and MPP 350 green e If itis lighting Sufficient excess solar power is available the output AES for automatic energy selection of the refrigerator or of a relay control is activated e Off Output AES is switched off Batt Full Battery fully charged green e lf itis lighting Battery batteries has have been charged to 100 trickle charge U2 finished e lIfitis lighting dimly Main charging process is still effected in the charging phase U1 e Off Main charging process is still effected in the charging phase gt 80 green e fitis lighting Battery has been charged almost fully Solar controller is still in the charging phase U1 Charge only MPP 165 green e fitis lighting The brightness from slight dimly lighting up to full brightness indicates the charging current intensity e Off Solar power is insufficient e If it is flashing Battery Protection 1 Switchover to safety charging voltage in case of b
12. e solar controller even in case of damaged seals If used the cable to the starter battery START II can be longer Despite the solar controller s high efficiency heat is produced Ensure sufficient ventilation in the environment of the unit so that the heat can be carried off The unit might heat up Consequently the vent holes of the casing should never be covered to ensure full charging capacity minimum distance all around 10 cm Connection See Connection Plan The polarities and of solar panel and batteries are absolutely to be observed Observe the cross sections and length measures of the cables 1 Connection of the solar controller to the battery Board I should be effected first Cable Protection Insert the fuses near the batteries into the cables protection against cable fire 2 The solar panels should be protected from direct sunlight by covering or shading prior to connection 1 Main Board Battery BOARD I must be connected Connect the battery connections of the controller Minus and Plus to the 12 V main battery observing the correct polarity and the cross section of the cables refer to connection plan Never operate the controller without the battery Board If the battery is not connected the unit will not deliver a defined output voltage In case of wrong polarity of battery I the internal safety fuse will be released The replacement fuse should hav
13. e the same capacity and it should be of the same type car fuse Parallel charging of two or several batteries of the same voltage 12 V is admissible The batteries are to be paralleled i e the connections of the batteries have to be coupled and should be connected to the connection of the solar controller The minus connections have to be coupled in the same way According to the battery manufacturers permanent parallel operation is admissible in case of two or several batteries of the same voltage type capacity as well as of the same age history in cross connection 2 Solar Panel must be connected Shade the panels to minimize sparking during connection and to avoid damages due to eventual wrong polarity Observe the cable cross sections refer to connection plan If several small solar panels are used they are connected in parallel refer to connection plan Partial shading of the panels results in average higher capacity see connection plan 3 Starter Battery START II Option can be connected Connect the second charging port to the second battery using the red connection cable wire cross section 1 5 2 5 mm This cable may be longer In case of non utilization this terminal is left free If used the output for starter battery II will be working with reduced voltage and charging current rates Thus the valuable solar power will be supplied to board solar battery being more sui
14. er break e Switchable characteristic lines of charging for optimum charging of Gel dryfit AGM fleece or acid lead acid as well as LiFePO4 batteries see table 1 e The charging voltage being free from peaks is controlled in such a way that any overcharging of the batteries is excluded e Two Battery Charging Ports Automatic charging of the main battery or board battery Board 1 Support charging and trickle charging max 1 A of the vehicle s starter battery Start Il with overcharge protection e Unattended Charging Standard protection against overload overheating reverse battery and back discharge of the battery in case of insufficient solar power such as at twilight at night etc e Parallel and Floating Operation Observation of the characteristic lines of charging even with simultaneous operation of consumers e Overcharge protection Reduction of the charging current of the battery in case of excessive solar power and full battery Immediate recharging in case of power consumption to ensure always the best possible charging state of the battery Characteristic Line of Charging IU10U2 A defined charging boost U1 avoids harmful acid accumulation and provides compensation charge to the individual battery cells After that automatic trickle charging U2 e Charging Cable Compensation Automatic compensation of voltage losses on the charging cables e On board Mains Suppression Filter Unproblematic parallel operation wit
15. f the lead battery plates due to total discharge is to be prevented by soon charging particularly in case of high ambient temperatures If the grade of sulphation is not too intensive the battery can recover part of the battery capacity after several charging discharging cycles e Partially Discharged Batteries In contrast to other battery types batteries on lead basis do not have any harmful memory effect Consequently In case of doubt partially discharged batteries have to be charged fully as soon as possible Always store only fully charged lead batteries Recharge them periodically particularly in case of used older batteries and higher temperatures e Keep batteries cool and dry choose an appropriate location for installation e Incase of insufficient solar power and or high current consumption the battery should be subject to occasional full charging by means of a mains supply charger Overvoltage Protection The 12 V solar controllers protect themselves against connection of excessive battery voltage rates or will be switched off in case of defective additional charging systems chargers generators or similar systems switching threshold 15 0 16 0 V Overvoltage Limitation Sensitive consumers are protected by means of a limitation of the charging voltage to max 15 0 V during all modes of charging Overload Overheating Protection Solar Controller The solar controller is equipped with a double electronic protection aga
16. h wind driven generators petrol driven generators mains supply chargers dynamos etc Measurement Output for EBL Electroblock of the Vehicle Allows convenient application of the solar current display being installed in the electroblock for supervision of the solar system e Terminal AES only MPP 250 Duo Dig and MPP 350 Duo Dig Automatic commutation of ELECTROLUX DOMETIC refrigerators with AES Automatic Energy Selector from gas operation to 12 V operation in case of excess solar power e Connection for temperature sensor order No 2001 Automatic adaptation of the charging voltage to the battery temperature In case of low outside temperatures full charging of the weaker battery is improved and in case of summery temperatures unnecessary battery gassing will be avoided This is highly recommended if the battery is exposed to strong variations in temperature such as in the motor compartment Ready for connection of the Votronic Solar Displays for optimum control of the system LCD Solar Computer S The LCD display indicates the following values Battery voltage charging current charging capacity stored capacity and energy V A W Ah Wh Eas ee Open acid batteries and batteries being maintenance free according to EN DIN Check the acid level periodically Recharge totally discharged batteries immediately Store only fully charged batteries and recharge them periodically Safety Regulatio
17. ing 13 70 V 20 C Continuous Safety mode at insufficient excess temp of the batt 13 00 V 20 C 50 C Now the solar controller is ready for operation Switch Functions pI met i Switch 1 Selection of either lead Pb or lithium iron phosphate batteries g Switches 2 3 and 4 Selection of the characteristic lines i of charging for lead switch 1 below a lt or lithium iron phosphate switch 1 above mog 3 g The corresponding characteristic lines of charging can be drawn from table 1 White Lever TTT Further actions or maintenance of the unit are not required 2340 5 Charging Voltage Rates and Temperature Compensation of Board Battery I Lead Batteries Charging Program Lead Acid AGM1 Characteristic Line U10U2 Charging Program AGM2 Characteristic Line U10U2 U1 without TS U1 without TS U1 without TS U2 with TS U2 without TS Charging Voltage V Charging Voltage V r3 O 13 5 4 13 0 12 5 p 0 12 5 T T T el 20 10 0 10 20 30 40 50 60 20 10 0 10 20 30 40 50 60 Battery Temperature C Battery Temperature C Charging Program Gel Characteristic Line U10U2 U1 with TS U1 without TS U2 with TS U2 without TS Charging Voltage V es O 13 5 4 TS If a temperature sensor is used being connected to the terminals TS TS 13 0 12 545 id 20 10 0 10 20 30 40 50 60 Battery
18. inst overload and with an automatic protection against adverse installation conditions e g insufficient ventilation excessive ambient temperatures by gradual reduction of the charging capacity Voltage Measurement Measurement of the voltage is to be effected at the battery and never at the solar controller loss at the charging cable In case of unattended operation the battery might be totally discharged due to too many consumers and lack of solar power We recommend an undervoltage protection of the battery by means of the following appliances Votronic Battery Protector 40 Power rating 12 V 40 A Order No 3075 or Votronic Battery Protector 100 Power rating 12 V 100 A Order No 3078 8 Table 1 For Main Battery I How to set the correct charging program for the battery type design lead or lithium iron phosphate technolo Prior to start up imperatively set the correct characteristic line of charging being suitable for the battery to avoid battery damages Only use lithium iron phosphate batteries in execution with integrated BMS battery management system Set the slide switch BOARD Battery to the desired position for battery I board battery using a small screwdriver Either select Lead Battery or Lithium Iron Phosphate Battery using switch 1 After that select the desired characteristic line of charging using the switches 2 3 and 4 as indicated in the tables Switch 1 below
19. ll be used for recharge of the possibly slightly discharged battery This mode of operation can only be taken into account in case of sufficient efficiency of the solar panel and under favourable conditions such as 110 Wp better 150 Wp or more Option Optionally small 12 V consumers can be operated at the AES output such as 12 V fans car relays or refrigerators with control input D Thetford etc It must be observed that the output must be active for at least half an hour The output current of the terminal AES is max 200 mA In case of larger consumers the output is limited and can again be loaded after a cooling down phase 7 Temperature Sensor Input TS TS Option can be connected Connection for the external Votronic Temperature Sensor order No 2001 is not included in the standard delivery scope For automatic adaptation and correction of the charging voltage to the battery temperature temperature compensation Mounting The thermal contact of sensor and battery Board I inside temperature should be well Thus it should be screwed down to the negative pole or positive pole of the battery It is also possible to fasten it at the sidewall centre of the battery casing Ensure that the installation place is not influenced by any source of heat motor block exhaust heater etc Connection Connect the temperature sensor to the terminal by means of a 2 pole cable cable cross section 0 5 1 5 mm The polari
20. ns and Appropriate Application The solar controller has been designed according to the valid safety regulations Appropriate application is restricted to 1 Charging of lead gel lead AGM lead acid or LiFePO4 with integrated BMS batteries of the indicated nominal voltage and simultaneous supply of the consumers being connected to these batteries in fixed installed systems 2 Solar panels up to the maximum power rating Wp of the used solar controller 3 The indicated cable cross sections at the charging ports and at the panel input 4 With fuses of the indicated capacity near the battery to protect the cabling between battery and charging ports Technically faultless condition 6 Installation in a well ventilated room protected from rain humidity dust aggressive battery gas as well as in an environment being free from condensation water e Never use the unit at locations where the risk of gas or dust explosion exists e Cables are always to be laid in such a way that damage is excluded Observe to fasten them tightly e The connection cables have always to be led from below to the solar controller to ensure that penetrating humidity cannot reach the controller in case of failure which will result in destruction of the controller e Never lay 12 V 24 V cables and 230 V mains supply cables into the same cable conduit empty conduit e Check live cables or leads periodically for insulation faults points of break or loosened c
21. oller to the EBL are included in the set of EBL connection cables Cable Length 1 m each 6 AES Automatic Energy Selector only MPP 250 Duo Dig MPP 350 Duo Dig Option can be connected The delivery scope of DOMETIC ELECTROLUX includes refrigerators with all automatic energy selection 230 V AC 12 V DC or gas Particularly in summer a lot of excess energy might be produced due to strong solar radiation full batteries and low energy consumption which is left unused The solar controller recognizes this condition and uses the AES output to give a signal to the refrigerator which will commutate from gas operation to 12 V operation to benefit from the excess energy gas saving Connection Lead a single pole cable 0 5 1 5 mm from the solar controller s terminal AES to the refrigerator s terminal T10 Function The solar controller recognizes the excess capacity LED AES is lighting The refrigerator switches from gas operation to 12 V operation This mode will be kept for at least half an hour to avoid that the refrigerator will be swinging between 12 V operation and gas operation Should the solar power be still sufficient the 12 V operation of the refrigerator will be kept Should the solar power be insufficient AES will be switched off by the solar controller the refrigerator will be switched to gas operation it will keep this mode for at least half an hour and the solar power wi
22. onnections Occurring defects must be remedied immediately e The unit is to be disconnected from any connection prior to execution of electrically welding or work on the electric system e If the non commercial end user is not able to recognize the characteristic values being valid for a unit or the regulations to be observed a specialist is always to be consulted e The user buyer is obliged to observe any construction and safety regulations e Except for the fuse the unit is not equipped with parts which can be replaced by the user Always use replacement car fuses of the indicated capacity e Keep children away from the solar controller and the batteries e Observe the safety regulations of the battery manufacturer e Deaerate the battery room Protect the unit from aggressive battery gases e Ensure sufficient ventilation of unit and panel e Strictly observe the instructions of the manufacturer for installation of the solar panel e Non observance may result in injury or material damage e The warranty period is 24 months from the purchase date against presentation of the sales slip or invoice e The guarantee will be void in case of any inappropriate utilisation of the unit if it is used beyond the technical specification in case of improper operation intrusion of water or external intervention We do not assume any liability for any damage resulting hereof The liability exclusion is extended to any service being executed
23. orage Charging 13 50 V 20 C Continuous Safety mode at insufficient excess temp of the batt 12 75 V 30 C 50 C 1234 These switch positions and other switch positions such as for LiFePO are not valid and are not used service positions All LEDs are flashing and the charging port is switched off by the solar controller for reasons of safety 1234 Ba a a Switch 1 above Charging programs for LiFePO4 batteries Lead Storage _ f not being specified divergently by the battery manufacturer the suitable charging program for the battery type can be determined by means of the following description and the technical data voltage rates U1 and U2 and dwell times U1 Generally lower charging voltage rates have a positive effect on the lifetime of the LiFePO4 battery Attention Only connect lithium iron phosphate batteries with integrated BMS battery management system Note The possible parallel floating operation with consumers being connected to the battery is also automatically considered by all charging programs LiFePO4 14 2 V Characteristic line of charging lithium iron phosphate with charging voltage 14 2 V ATTENTION Only connect LiFePO4 batteries with integrated BMS Characteristic line LiFePO4 IU10U2 U1 Main Full Charging 14 20 V 20 C 0 5 3h U2 Full Trickle Storage Charging 13 50 V 20 C Continuous Safety mode at insufficient excess temp of the batt 13 00 V 20 C 50 C LiFePO4 14 4 V
24. r controller switches to stand by mode after sunset If a temperature sensor is used for the battery the voltage values will be slightly higher in case of low outside temperatures while they will be slightly lower in case of high outside temperatures The output for the Battery II START will be working with reduced voltage and charging current rates Thus the valuable solar power will be supplied to board solar battery I being more suitable However the starter battery II will be kept in a condition that starting will always be possible even in case of longer stop periods e g in winter Charging Process Characteristic Line of Charging U10U2 at the Board Battery Board 1 In Case of Sufficient Solar Power Charging Voltage U V S Z 124 E 10 5 5 gt O gt D 50 lt 75 lt 100 100 Maintenance 2 49 S 518 O 410 Charging Current 1 2 3 4 Charging Time Preliminary charging of totally discharged battery gentle initial charging current I Phase Main charging constant maximum charging current I Phase Main full charging constant charging voltage 1 U1 Phase Full Trickle charge constant continuous charging voltage 2 Phase U2 Bay ee Technical Data Capacity of Solar Module recommended max Current Solar Module Voltage Solar Module Voc Nominal Voltages of Batteries Board and Start Il Charging Current Current Consumption Stand by max Main Po
25. rt Battery BOARD I Charging Floating Load Current Max Prelim Charg Current totally discharged battery Reset Voltage 30 sec Charging Programs for Gel AGM Acid LiFePO4 Batteries Charging Voltage Limitation max Integrated Overload Protection Current Limiting Device Integrated Protection against Short circuit Integrated Protection against Overtemperature Integrated Cooling Fan with Temp Control Unit Fuse Type FKS Input for Battery Temperature Sensor Charging Timer Refrigerator Control Output AES Switching Current Control Output AES max Signal Output EBL for Display Solar Charging Current Battery Living Area Auxiliary Port Vehicle Starter Battery II Start II Charging Current Integrated Overload Protection Current Limiting Device Integrated Protection against Short circuit Integrated Protection against Overtemperature Dimensions incl Mounting Flanges mm Weight Ambient Conditions Humidity of Air MPP 165 Duo Digital 50 165 Wp 0 10A max 50 V 12 V 0 12A 4 mA 0 12A 6A lt 8 V 12 7 V 8 15 0 V Yes Yes Yes 15 A Yes 0 1 0A Yes Yes Yes 131x77x40 190 g MPP 250 Duo Digital 50 250 Wp 0 15 0A max 50 V 12 V 0 18 0A 4mA 0 18 0A 9A lt 8 V 12 7 V 8 15 0 V Yes Yes Yes Yes 20A Yes 4 fold Yes 12 V 0 2A Yes O 1 0A Yes Yes Yes 131 x 77 x 40 210g MPP 350 Duo Digital 50 350 Wp 0 21 0A max 5
26. table However the vehicles starter battery II will be kept in a condition that starting will always be possible even in case of longer downtimes and during winter operation vehicle body Depending on the length of the cable it may also be connected to the common negative a Connection of the negative pole START II is not required if the negative pole BOARD I is connected to the connection of the solar controller or to the negative pole of BOARD 5 4 Plug type Connection Solar Display Option can be connected 6 pole tip jack for connection of the Votronic Solar Displays being ready for connection for optimum control of the solar system LCD Solar Computer S The LCD display indicates the following values Battery voltage charging current charging Capacity stored capacity and energy V A W Ah Wh Order No 1250 5 EBL Connection for Electroblock with Display Panel DT LT Option can be connected A cable set for connection of the solar controller to the EBL is required Order No 2007 It is not included in the standard delivery scope of the controller The solar controller supplies a signal at the terminal EBL for display of the solar charging current of board battery battery living area which is suitable for electroblock EBL with DT LT Display Panel The signal cable being required for that as well as a connection cable for connection of the solar contr
27. ty and cable length is of no importance The solar controller recognizes the sensor automatically Effect The temperature dependent charging voltage of battery I will be adapted automatically to the battery temperature The temperature sensor measures the battery temperature In case of low temperatures winter operation the charging voltage will be increased in order to improve and accelerate full charging of the weak battery iG Sensitive consumers are protected by a limitation of the voltage in case of very low outside temperatures In case of summery temperatures the charging voltage is reduced to minimize the load gassing of the battery and to extend the lifetime of gas tight batteries See Charging Voltage Rates and Temperature Compensation of Board Battery on page 10 Safety Mode Battery Protection also see characteristic lines Charging Voltage Rates and Temperature Compensation of Board Battery I In case of too low battery temperatures 30 C for lead batteries or 20 C for LiFePO4 or too high battery temperatures from 50 C the charging voltage will be reduced strongly to safety charging voltage for battery protection depending on the type from 12 75 V to 13 00 V Safety mode LED charge is flashing but any charging data being recorded hitherto will be kept in memory Battery charging is then interrupted but the supply of eventually connected consumers will be continued by the solar controller and th
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