Steca Solarix 2020-x2 Installation And Operating Instructions Manual Download Page 1

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Solar charge controller

Solar charge controller for
two batteries 12 V/24 V 20 A

Installation and operating instructions

751.792 | Z01 | 1504

Summary of Contents for Solarix 2020-x2

Page 1: ...Solar charge controller Solar charge controller for two batteries 12 V 24 V 20 A Installation and operating instructions EN 751 792 Z01 1504...

Page 2: ...ing instructions These operating instructions are part of the product Read these operating instructions carefully before use Keep these operating instructions in the vicinity of the product over the e...

Page 3: ...ion values and must not be connected to any other energy source The specifications of the solar charge controller and the connected components listed in these operating instructions must be adhered to...

Page 4: ...ed by solar modules for charging two batteries and for directly supplying electrical loads Product features Automatic voltage adjustment 12 V 24 V DC Charging of main and auxiliary batteries Monitorin...

Page 5: ...block for solar module 3 LED 3 and terminal block for main battery battery I 4 LED 4 and terminal block for connecting loads load circuit 5 Plastic housing 6 Connection for StecaLink bus system 7 USB...

Page 6: ...ltage is delivered again by the solar module the charge controller will resume functioning again within 30 minutes The user does not need to operate the solar charge controller or make any settings Fo...

Page 7: ...y Yellow fully lit Pre warning battery weak Off Load circuit switched off to protect the batteries 4 Installation Danger of fire and explosion The solar charge controller may only be connected to load...

Page 8: ...he fasteners used 3 Use 4 suitable screws not provided to fasten the con troller to the wall The cable openings must face down wards Step 2 Connecting the solar charge controller Danger of fire and ex...

Page 9: ...higher efficiency Cable terminal tighten ing torque 1 2 Nm Cable lengths Max of 10 m for solar module connection cable Max of 2 m for battery connection cable Max of 10 m for load connection cable Ref...

Page 10: ...correct polarity to the terminal pairs with the corresponding battery symbol battery I or battery II 6 Connect the plus cable to the positive pole of the battery 7 Connect the minus cable to the nega...

Page 11: ...ion cables as a plus cable L and a minus cable L 3 Lay the load connection cables parallel to each other between the solar charge controller and the loads but do not yet connect them 4 First connect t...

Page 12: ...solar charge controller can be executed if required An adjustable stabilised power supply unit with current limiting is required for the self test 1 Disconnect all connections to the solar charge con...

Page 13: ...LED 4 flashes red Defective load switch 7 Faults and remedies After a shutdown the supply to the loads in the load circuit and the battery charging are resumed as soon as the conditions causing the s...

Page 14: ...s blown Replace the external fuse Battery Battery I not connected Disconnect all connec tions Connect a new bat tery Reconnect the solar module and loads Battery is defec tive LEDs 1 and 3 flash red L...

Page 15: ...lowly Overload warning Reduce current con sumption of the loads if necessary switch off or disconnect loads LED 4 flashes red fast Shutdown due to overload Reduce current con sumption of the loads if...

Page 16: ...the battery with the correct polarity LED 1 and or LED 3 flashes red green Battery overvolt age Disconnect the battery Correct the cause of the overvoltage Reconnect the battery LED 1 and LED 3 flash...

Page 17: ...Correct the cause of the short circuit LED 2 flashes red slowly Solar module overcurrent Disconnect the solar module Correct the cause of the overcurrent Reconnect the solar module LED 2 flashes red f...

Page 18: ...ed but this is not essen tial Never earth the plus pole Maximum heatsink tempera ture rear side of unit 70 C Protection class IP 31 Ambient temperature Tamb 20 C to 50 C Power limiting possible at Tam...

Page 19: ...is only permitted according to the adjacent table 12 V 12 V 24 V1 24 V1 12 V 24 V1 Not permitted The solar charge controller can be damaged 24 V 12 V Line compensation Automatic compensation of the c...

Page 20: ...e Float 14 1 V 28 2 V Cut off voltage activation for maintenance charge Boost 14 4 V 12 7 V 28 8 V 25 4 V Cut off voltage activation for equalise charge Equal only with the liquid battery type setting...

Page 21: ...perature and overload protection Short circuit protection for load circuit and solar module Overvoltage protection at solar module input Open circuit protection without battery Reverse current protect...

Page 22: ...of improper equipment faulty construction work or improper operation or use Guarantee claims shall only be accepted if notification of the fault is provided immediately after it is discovered Guarant...

Page 23: ...DE...