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Manual for CX

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					Programmable Solar Charge Controller with Nightlight Function CX10-1.1, CX20-1.1, CX40-1.1
User Manual English, Page 1

Dear Client,                                                                     5                      Connect the wires leading to the solar array with        Recommendations for Use
Thank you very much for buying a Phocos product. With your new CX                                       correct polarity. To avoid any voltage on the            The regulator warms up during normal operation. If there is insufficient
controller you own a state-of-the art device which was developed                                        wires, first connect the controller, then the solar      ventilation (e.g. in an installation cabinet), the controller lim its the solar
according to the latest available technical standards. It comes with a                                  array.                                                   charge current to prevent overheating.
number of outstanding features, like:                                                                   Mind the recommended wire size:                          The regulator does not need any maintenance or service. Remove dust
n Multifunctional LC display                                                                            CX10: min 2,5 mm²                                        with a dry tissue.
n Programmable Low Voltage Disconnect with new ALVD (Adaptiv e
                                                                                                        CX20: min 4 mm²
                                                                                                                                                                 It is important that the battery gets fully charged frequently (at least
   Low Voltage Disconnect)                                                                              CX40: min 10 mm²
                                                                                                                                                                 monthly). Otherwise the battery will be permanently damaged.
n Sophisticated programmable nightlight function                                                                                                                 A battery can only be fully charged if not too much energy is drawn
n Excess Energy Management (EEM) for better utilization of your solar            REMARK: place positive and negativ e wire close to each other to                during charging. Keep that in mind, especially if you install additional
   system                                                                        minim ize electromagnetic effects.                                              loads.
n Complete electronic protection                                                 REMARK: Solar panels provide voltage as soon as exposed to sun light.           Display Functions
This manual giv es im portant recommendations for installing, using and          Mind the solar panel manufacturer’s recommendations in any case.                In normal operation mode the controller displays the state of charge
programmin g as well as remedies in case of problems with the controller.         6                    To avoid voltage at the load terminal, push the           (available energy) of the battery. Any change of the state of charge
Read it carefully in your own interest and mind the safety and usage                                   button to shut off the load output. Connect the           (SOC) to a lower status is additionally signalled acoustically.
recommendations at the end of this manual.                                                             wires leading to the loads with correct polarity.         System conditions are displayed as follows:
Description of Functions                                                                               Mind the recommended wire size:
                                                                                                       CX10: min 2,5 mm²                                              > 80%        60...80%                35...60%            10...35%             < 10%           Load D isconnect
n   The charge controller protects the battery from being overcharged
    by the solar array and from being deep discharged by the loads. The                                CX20: min 4 mm²
    charging characteristics include several stages which includes auto-                               CX40: min 10 mm²
                                                                                                                                                                                                                                                   Flashes
    matic adoption to the ambient temperature.                                                                                                                                1x                 2x                   3x                    5x                     25x
n   The charge controller adjusts itself automatically to 12V or 24V system                                                                                      The percentage corresponds to the available energy until Low Voltage
                                                                                                        Fasten the strain relieves.
    voltage.                                                                      7                                                                              Disconnect in relation to a fully charged battery.
n   The pushbutton allows switching the load on and off.                                                                                                         As long as the solar array supplies enough voltage to charge the
n   The charge controller can be programmed for lighting applications.                                                                                           battery, this is indicated by up-movin g bars alternately to the state of
n   The controller provides a control output for special loads that make                                                                                         charge display.
    use of excess energy, like the Phocos SF32E and SF50E Solar Refrigera-                                                                                       In normal operation the loads can be switched on and off by pushing
    tors. Additionally, it has a serial interface which can be used with an                                                                                      the button. This is indicated in the display:
    optional interface adapter (CX-I).                                                                                                                               Load             Load
n   The charge controller has a number of safety and display functions.                                                                                           manually O N manually O FF
                                                                                                               If you intend to use the Excess Energy
Mounting and Connecting the Charge Controller                                     8                            Management output, follow these steps:
The regulator is intended for indoor use only. Protect it from direct
                                                                                                               a. Remove the green terminal block in the         Special conditions are shown in the LC display if the Low Voltage
sunlight and place it in a dry environment. Never install it in humid rooms
                                                                                                                   terminal compartment and turn it upside       Disconnect function shuts off the load output or in case of various other
(like bathrooms).
                                                                                                                   down.                                         error conditions. See section ERROR DESCRIPTION for details.
The regulator measures the ambient temperature to adopt the charg-
                                                                                                               b. Mount the excess energy signal wires as
ing voltages, therefore it must be installed in the same room as the
                                                                                                                   shown in the picture beside.
                                                                                                                                                                 Low Voltage Disconnect Function
battery.                                                                                                                                                         The controller has 5 different modes to protect the battery from being
                                                                                                               c. Connect the signal wires to the excess
The regulator warms up during operation. It shall be installed on a non                                                                                          deep discharged:
                                                                                                                   energy management input of the ap-
flammable surface only.                                                                                                                                          Mode 1 Disconnect at 11.4 V (at nominal load current) up to 11.9 V
                                                                                                                   propriate load (e.g. Phocos Solar coolers
REMARK: Connect the controller by following the steps described below                                              SF32E, SF50E)                                            (at no load current). Normal operation mode for good bat-
to avoid installation faults.                                                                                                                                               tery protection.
                                                                                                               d. Reconnect the green terminal block to
                        Open the terminal lid.                                                                                                                   Mode 2 Disconnect at 11.0 V (at nominal load current) up to 11.75 V
 1                                                                                                                 the CX
                                                                                                                                                                            (at no load current). Mode with lower disconnection point.
                                                                                  9                     Close the terminal lid.                                             Battery is cycled deeper, this can shorten battery lifetime.
                                                                                                                                                                 Mode 3 Disconnect at 11.0 V to 12.2 V depending on load current
                                                                                                                                                                            and previous charging cycles. This adaptive mode leads to
                                                                                                                                                                            longer lifetime of the battery because it allows recovery of
                                                                                                                                                                            the battery by full recharge. Maximum battery life.
                                                                                                        Now you have successfully connected your CX              Mode 4: Disconnect at 11.5 V fixed setting. Appropriate if bypass loads
                                                                                                        controller.                                                         draw current directly from battery.
                        Remove the screws from the strain relief and take
2                                                                                                                                                                Mode 5: Disconnect at 11.0 V fixed setting. Appropriate if bypass loads
                        off the strain relief bridges.
                                                                                 Grounding the Solar System                                                                 draw current directly from battery. Mode with lower discon-
                                                                                                                                                                            nection point. Battery is cycled deeper, this can shorten bat-
                                                                                                                                                                            tery lifetime.
                                                                                                                                                                 The controller is preset to Mode 1 from the factory. Use
                                                                                                                                                                 Programming Menu 2 . to change the setting (see back page).
                                                                                                                                                                 In case of doubts which mode to choose, consult your dealer because
                                                                                                                                                                 this has to be evaluated depending on the battery used.
                        Mount the controller to the wall with
3                       screws that fit to the wall material.                                                                                                    Excess Energy Management Function EEM
                        Use screws with 4 to 5 mm shaft and                                                                                                      The controller provides a built-in excess energy management function.
                                                                    > 10cm
                        max. 9 mm head diameter, no                                                                                                              This function, in combination with especially designed loads (e.g.
                                                                      > 4”
                        counter sunk.                                                                                                                            Phocos Solar Refrigerators/Coolers SF32E, SF50E), allows to make use of
                        Mind that the screws have to carry                                                                                                       excess energy which would be lost otherwise because of the over-
                        also the force applied by the wiring.                                                                                                    charge protection of the battery. A better utilization of the solar system
                        Mind also the minim um required                                                                                                          is the benefit. Also the battery treatment is improved because more
                                                                                 Be aware that the positive terminals of the CX controller are connected
                        distance to floor and ceiling, this is                                                                                                   energy comes directly from the solar panel instead of the battery. Ask
                                                                                 internally and therefore have the same electrical potential. If any             you dealer about available loads that can make use of excess energy.
                        necessary for ventilation reasons.                       grounding is required, always do this on the positive wires.
                                                                                                                                                                 To connect your Excess Energy load with the controller, see picture 8
                                                                                 REMARK: If the CX is used in a vehicle which has the battery negativ e on       (signal wires).
                        A DIN Rail mounting plate is available                   the chassis, loads and solar panels connected to the regulator must not
                        as an accessory (CX-DR2). This allows       > 10cm       have an electric connection to the car body. Otherwise the overcharge           Nightlight Function
                        mounting the controller on a stan-            > 4”       protection, the Low Voltage Disconnect and the electronic fuse func-            The CX controller comes with a sophisticated nightlight function. It
                        dard 35mm DIN rail. Use the screws                       tion of the controller is short circuited.                                      controls the load output at night and is widely programmable.
                        supplied with the mounting plate to                                                                                                      There are 2 modes available:
                        fix it to the controller.                                Starting up the Controller                                                      DUSK TO DAWN and EVENING/MORNING. The mode can be selected in
                                                                                 Self Test                                                                       Programming Menu 3 .
                        Connect the wires leading to the battery with            As soon as the controller is supplied with power either from the battery
    4                                                                            or the solar array, it starts a self test routine. This is indicated first by
                        correct polarity. To avoid any voltage on the
                                                                                                                                                                 Light on
                        wires, first connect the controller, then the battery.   running LCD bars for approx. 0.5 seconds, and then the firmware version
                                                                                                                                                                                                                       D usk to D aw n
                        Mind the recommended wire length (min 30 cm              is displayed in coded symbols for about another second (this is for             Light off
                        to max approx. 100 cm) and the wire size:                service purposes only). Then the display changes to normal operation.                                           Evening Timing            Mid of night                  Morning Timing
                        CX10: min 2,5 mm²                                        System Voltage                                                                  Light on

                        CX20: min 4 mm²                                          The controller adjusts itself automatically to 12 V or 24 V system voltage.     Light off
                        CX40: min 10 mm²                                         As soon as the voltage at the time of start-up exceeds 20.0 V, the                                  N umber
                                                                                                                                                                                                      or
                                                                                                                                                                                                                time to                    time after         or     N umber
                                                                                                                                                                                     of hour s                mid of night                mid of night               of hours
                        Wrong polarity will cause a permanent warning            controller implies a 24 V system.
                                                                                                                                                                                          ½                             ½
                        sound.                                                   If the battery voltage is not within the normal operation range (approx.
WARNING: If the battery is connected with reverse polarity, the load             12 to 15.5 V or approx. 24 to 31 V) at start-up, a status display according     If EVENING/MORNING is selected, Programmin g Menu 5 allows choos-
terminals will also have the wrong polarity. Never connect loads during          to the section ERROR DESCRIPTION occurs.                                        ing the MORNING timing behaviour, and Programming Menu 4 allows
this condition!                                                                  Battery Type                                                                    choosing the EVENING timing behaviour.
REMARK: The controller has a built-in voltage drop compensation which            The controller is preset to operate with lead acid batteries with liquid        Mind that the load output is switched off as soon as the battery has
automatically compensates battery wire voltage drops of up to 250 mV.            electrolyte. If you intend to use a VRLA battery (GEL type) you can             reached the Low Voltage Disconnect threshold. The Low Voltage
REMARK: Mind the recommendations of your battery manufacturer. We                adjust the controller in Programming Menu 1 (see back page). The                Disconnect has priority above the nightlight function.
strongly recommend connecting a fuse directly to the battery to protect          equalization charge is deactivated then. In case of any doubts consult          “Mid of night” is detected automatically as the middle between dusk
any short circuit at the battery wiring. The fuse must take the charge           your dealer.                                                                    and dawn, no real time setting is required. It may take some days until
controller nominal current:                                                                                                                                      the controller has “learnt” midnight. This method can cause some
CX10: 15A, CX20: 30A, CX40: 50A                                                                                                                                  inaccuracy but avoids any clock readjustment. The controller’s “Mid of
                                                                                                                                                                 night” can be different from the real time midnight depending on your
                                                                                                                                                                 location.
Programmable Solar Charge Controller with Nightlight Function CX10-1.1, CX20-1.1, CX40-1.1
User Manual English, Page 2
                                                                                                                                                                                        State of Charge    Main Menu Disp lay Menu Prog rammin g Menu (flash ing)                             Setting
Nightlight Function (continued)                                                                           Error Description (continued)                                                                                                                                                   Facto ry Your
                                                                                                                                                                                                                                                    Battery type
The controller recognizes day and night based on the solar array open                                      Error condition      Display         Reason             Remedy                                                                           liquid electro lyte
circuit voltage. In Programming Menu 6 this day/night threshold can be                                     Battery is flat                      Battery has low                                           (1)
modified according to the requirements of the local conditions and the                                                                                             Change battery                                                                   Battery type
                                                                                                           after short time                     capacity                                                                                            GEL (VRLA)
solar array used.                                                                                                                                                                        Lo ad on/o ff
                                                                                                           Battery is not       No up-          Solar array                                          (2)                                            Lo w vo ltage disconn ect
                                                                                                                                                                   Check Solar array                                                                cur rent comp ensated 11.4 - 11.9 V
                                                                                                           being charged        moving          faulty or wrong
                                                                                                                                                                   and wiring
                                                                                                           during daytime       bars            polarity                                                                                            Lo w vo ltage disconn ect
                                                                                                                                                                                                                                                    cur rent comp ensated 11.0 - 11.75 V
                          Thresho ld setting r ange                                                                                             Battery is
                                                                                                           Battery wrong        Permanent                          Remove reverse          Sho rt p ush
7.7 / 15.4 V                                                                                                                                    connected with                             < 1 Second                                               LVD cur rent comp ensated /
                          Sw itching point day > night           Sw itching point night > day              polarity             sound                              polarity                                                                         adap tiv e 11.0 - 12.2 V
                                                                                                                                                reverse polarity                           Long pu sh
 4.9 / 9.8V
   (factor y                                                                                                                                    Controller is      Mount controller        > 1 Second                                               Lo w vo ltage disconn ect 11 .5 V
   set ting)                                                                                                                                    thermally          at a location with
 1.0 / 2.0V
                                                                                                                                                overloaded         better ventilation                                                               Lo w vo ltage disconn ect 11 .0 V
                                    C ur ve o f o pen-cir cuit voltage solar ar r ay                       Controller limits
                                                                                                                                                Solar array
The two voltage levels before/ after the slash are valid for 12 V and 24 V                                 solar current
                                                                                                                                   Flashes      exceeds            Check solar array                 (3)                                            Nigh tlig ht function OFF
systems respectiv ely.
                                                                                                                                                nomin al current   current.
To find the right v alue, we recommend measuring the solar array open                                                                           of controller.                                                                                      Nigh tlig ht function
                                                                                                                                                                                                                                                    DUSK TO DAWN
circuit voltage at the tim e when twilight has reached the level when the
controller should switch on/off. This value (the closest available) can                                   Programming your CX                                                                                                                       Nigh tlig ht function
then be set according to the description in the programming section.                                      You enter the programming mode with a long push on the button.                                                                            EVENING/MORNING

                                                                                                          The programming menu structure is described in the right column.
Switching off the Acoustic Signal                                                                                                                                                                    (4)                                            Nigh tlig ht function
                                                                                                                                                                                                                                                    EVENING OFF
The controller has an acoustic signal which indicates the change of the                                   Mind that once you have entered the programming menu you can exit
state of charge. This function can be deactivated in Programming                                          it at the last item only.                                                                                                                 Nigh tlig ht function
                                                                                                                                                                                                                                                    EVENING 1 HR
                                                                                                          We therefore recommend that you first note down your required
Menu 7 .
                                                                                                          settings in the check boxes beside the menu structure and then do the                                                                     Nigh tlig ht function
                                                                                                                                                                                                                                                    EVENING 2 HRS
Using the interface                                                                                       programming in one go. This makes programming easier and avoids
The controller comes with a serial interface, which can be connected                                      errors.                                                                                                                                   Nigh tlig ht function
                                                                                                                                                                                                                                                    EVENING 3 HRS
to a PC with an optional interface adapter (CX-I) (see interface                                          All programming settings are stored in a non-volatile memory and
adapter manual for details). In Programming Menu 8 the behaviour of                                       remain stored even if the controller was disconnected from the battery.                                                                   Nigh tlig ht function
                                                                                                                                                                                                                                                    EVENING 4 HRS
the serial interface can be modified.                                                                     If you want to reset the controller to the factory settings, choose
                                                                                                                                                                                                                                                    Nigh tlig ht function
Safety Features                                                                                           Programming Menu 9 .                                                                                                                      EVENING 5 HRS

The controller is protected against wrong installation or use:                                            Programming lock-out                                                                                                                      Nigh tlig ht function EVENING
                                                                                                                                                                                                                                                    TO 4 HRS b efor e mid of nig ht
                    At the solar      At the battery     At the load                                      By pushing the button for 8 sec in normal operation mode the pro-
                    terminal          terminal           terminal                                         gramming lock-out is activated to prevent any accidental settings                                                                         Nigh tlig ht function EVENING
                                                                                                                                                                                                                                                    TO 3 HRS b efor e mid of nig ht
Battery con-                                                                                              change. Another 8 sec push releases the lock-out.
nected with         Unrestricted      Normal operation Unrestricted                                       General Safety and Usage Recommendations
                                                                                                                                                                                                                                                    Nigh tlig ht function EVENING
                                                                                                                                                                                                                                                    TO 2 HRS b efor e mid of nig ht
correct polarity                                                                                          Intended Use
Battery con-                                                                                              The charge regulator is intended for use in photovoltaic systems with 12
                                                                                                                                                                                                                                                    Nigh tlig ht function EVENING
                                      Unrestricted.                                                                                                                                                                                                 TO 1 HR before mid of n ig ht
nected with         Unrestricted                         Unrestricted                                     V or 24 V nominal voltage. It shall be used with vented or sealed (VRLA)
                                      Acoustic Warning                                                                                                                                                                                              Nigh tlig ht function EVENING
wrong polarity                                                                                            lead acid batteries only.                                                                                                                 TO mid of night
                                      Yes, if only the   Load output is                                   Safety Recommendations                                                                                                                    Nigh tlig ht function
                    Yes, not at 24V   battery is con-    protected, but                                                                                                                              (5)                                            MORNI NG OFF
Reverse polarity                                                                                          § Batteries store a large amount of energy. Never short circuit a battery
                    system voltage. nected.              loads might be                                      under all circumstances. We recommend connecting a fuse (slow                                                                          Nigh tlig ht function
                                      Acoustic Warning damaged.                                              acting type, according to the nominal regulator current) directly to
                                                                                                                                                                                                                                                    MORNI NG 1 HR

                                      Unrestricted.                                                          the battery terminal.                                                                                                                  Nigh tlig ht function
                                                                                                                                                                                                                                                    MORNI NG 2 HRS
                                      CAUTION: Battery                                                    § Batteries can produce flammable gases. Avoid making sparks, using
Short circuit    Unrestricted                                  Unrestricted
                                      must be pro-                                                           fire or any naked flame. Make sure that the battery room is ventilated.                                                                Nigh tlig ht function
                                                                                                                                                                                                                                                    MORNI NG 3 HRS
                                      tected by fuse.                                                     § Avoid touching or short circuiting wires or terminals. Be aware that the
                                                               Controller                                    voltages on specific terminals or wires can be up to double the bat-                                                                   Nigh tlig ht function
                 Controller limits                                                                                                                                                                                                                  MORNI NG 4 HRS
Overcurrent                            ----------------------- switches off load                             tery voltage. Use isolated tools, stand on dry ground and keep your
                 current.
                                                               terminal.                                     hands dry.                                                                                                                             Nigh tlig ht function
                                                                                                                                                                                                                                                    MORNI NG 5 HRS
                 Controller is                                 Controller                                 § Keep children away from batteries and the charge regulator.
                                                                                                                                                                                                                                                    Nigh tlig ht function MORNING
Thermal overload electronically        ----------------------- switches off load                          § Please observe the safety recommendations of the battery manufac-                                                                       FROM 2 HRS after mid of n ight
                 protected.                                    terminal.                                     turer. If in doubt, consult your dealer or installer.
                                                                                                                                                                                                                                                    Nigh tlig ht function MORNING
No connection    Unrestricted         Unrestricted             Unrestricted                               Liability Exclusion                                                                                                                       FROM 3 HRS after mid of n ight

Reverse current Unrestricted           ----------------------- -----------------------                    The manufacturer shall not be liable for damages, especially on the                                                                       Nigh tlig ht function MORNING
                                                                                                                                                                                                                                                    FROM 4 HRS after mid of n ight
                                                               Controller                                 battery, caused by use other than as intended or as mentioned in this
Overvoltage      Varistor 56 V, 2,3 J Max. 40 V                switches off load                          manual or if the recommendations of the battery manufacturer are                                                                          Nigh tlig ht function MORNING
                                                                                                                                                                                                                                                    FROM 5 HRS after mid of n ight
                                                               terminal.                                  neglected. The manufacturer shall not be liable if there has been
                                      Controller               Controller                                 service or repair carried out by any unauthorised person, unusual use,                                                                    Nigh tlig ht function MORNING
                                                                                                                                                                                                                                                    FROM 6 HRS after mid of n ight
Undervoltage     Normal operation switches off load switches off load                                     wrong installation, or bad system design.
                                      terminal.                terminal.                                  Opening case voids warranty.                                                               (6)                                            Day/Night thresh old
                                                                                                                                                                                                                                                    1.0 / 2.0 V Solar vo ltage
WARNING: The combination of different error conditions may cause                                          Technical Data
                                                                                                                                                                                                                                                    Day/Night thresh old
damage to the controller. Always remove an error before you continue                                       Nominal voltage                12 / 24 V, automatic recognition                                                                          1.6 / 3 .1 V Solar voltag e
connecting the controller!                                                                                 Absorption voltage             14.4 / 28.8 V (25°C), 0.5-2h                                                                              Day/Night thresh old
Error Description                                                                                          Equalization voltage           14.8 / 29.6 V (25°C), 2 h                                                                                 2.1 / 4 .2 V Solar voltag e

                                                                                                           Float voltage                  13.7 / 27.4 V (25°C)
 Error condition         Display                Reason                                 Remedy                                                                                                                                                       Day/Night thresh old
                                                                                                           Load disconnect volt-          11.0-12.2 / 22.0 -24.4 V depending on                                                                     2.7 / 5 .4 V Solar voltag e

                                                                                       Load will recon-    age                            setting                                                                                                   Day/Night thresh old
                                                                                       nect as soon as     Load reconnect voltage         12.8 / 25.6 V                                                                                             3.2 / 6.5 V Solar vo ltage
                                                Battery is low
                                                                                       battery is re-      Temperature compen-            -4 mV/cell*K                                                                                              Day/Night thresh old
                                                                                       charged.            sation
                                                                                                                                                                                                                                                    3.8 / 7 .6 V Solar voltag e


                                                                                       Switch off all      Max. solar panel current       10 / 20 / 40 A according to model number                                                                  Day/Night thresh old
                                                                                                                                                                                                                                                    4.4 / 8 .8 V Solar voltag e
                                                                                       loads. Remove                                      @ 25°C (without load current at 50°C)
                                                                                       short circuit.      Max. load current              10 / 20 / 40 A according to model number                                                                  Day/Night thresh old
                                                Overcurrent /                                                                             @ 25°C (without solar current at 50°C)
                                                                                                                                                                                                                                                    4.9 / 9.8 V Solarspan nu ng
                                                                                       Controller will
                                                Short circuit of                                           Dimensions                     89 x 90 x 38 mm (w x h x d)
                                                                                       switch on load                                                                                                                                               Day/Night thresh old
                                                loads                                                      Weight                         CX10, CX20: 168 gr, CX40: 179gr
                                                                                                                                                                                                                                                    5.5 / 11.0 V Solar v oltage
                                                                                       automatically
                                                                                       after max 1         Max. wire size                 16 mm² (AWG #6)                                                                                           Day/Night thresh old
                                                                                                                                                                                                                                                    6.0 / 12.1 V So lar v oltage
                                                                                       minute.             Self consumption               4 mA
                                                                                                                                                                                                                                                    Day/Night thresh old
                                                                                       Check proper        Ambient temperature            -25 to + 50 °C                                                                                            6.6 / 1 3.2 V Solar voltage
                                                Controller is
                                                                                       ventilation of      range
                                                thermally                                                                                                                                                                                           Day/Night thresh old
                                                                                       controller.         Case protection            IP 22
 Loads are not                                  overloaded                                                                                                                                                                                          7.2 / 1 4.3 V Solar voltage
                               Flashes                                                 After cooling      Subject to change without notice. Version: CX060220
 supplied                                       and has dis-
                                                                                       down the loads                                                                                                                                               Day/Night thresh old
                                                connected the                                             Made in one of the following countries: China – Germany                                                                                   7.7 / 15.4 V So lar v oltage
                                                                                       are reconnected
                                                loads.                                                    Phocos AG – Germany www.phocos.com
                                                                                       automatically.                                                                                                (7)                                            Buzzer ON

                                                                                       Check if other
                                                                                       sources over-                                                                                                                                                Buzzer OFF
                                                Battery voltage
                                                                                       charge the
                                                too high                                                                                                                                                                                            Serial in terface EXCESS ENERGY
                                                                                       battery. If not,                                                                                              (8)                                            & CURRENT DATA
                                                 (>15.5 / 31.0 V)
                                                                                       controller is
                                                                                                                                                                                                                                                    Serial in terface EXCESS ENERGY
                                                                                       damaged.                                                                                                                                                     & DATAL OGGER

                                                                                                                                                                                                                                                    Serial interface BIDIRECTIONAL,
                                                Battery wires or                                                                                                                                                                                    NO E XCESS ENERGY
                                                battery fuse                           Check battery                                                                                                 (9)                                                                                Date o f your
                                                                                                                                                                                                                                                    Keep ind iv idual settings
                                                damaged,                               wires, fuses and                                                                                                                                                                                 own settings:

                                                battery has                            battery.                                                                                                                                                     Reset to factory p reset
                                                high resistance

				
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