Votronic S1250 User manual

Installation and Operating Manual
LCD Solar Computer S No. 1250
Precise display of all important values, adapted to all Votronic solar controllers.
The following values are displayed:
- Charging current (A)
- Solar battery voltage (V)
- Solar power (W)
- Solar power as bar graph
- Solar current meter (Ah and Wh)
The LCD Solar Computer S has been particularly designed for operation in connection with all VOTRONIC Solar controllers
since serial number 13V01.0000. A large display with time-controlled illumination ensures excellent legibility. The solar
charging current, the solar power and the voltage of the solar battery are displayed. The instantaneous capacity of the
solar modules is constantly displayed as bar graph in steps of 10 % at the margin of the display.
The current meter function counts the “yielded” ampere hours and watt hours, thus simplifying the control of the solar
system. The counter values can be reset to zero at any time and at discretion.
The dimensions of the unit are perfectly adapted to the VOTRONIC modular system. The VOTRONIC modular system
includes the tank display units (fresh and sewage water, as well as feces), the LCD series (battery computer, voltmeter,
ammeter and thermometer), as well as the switch and fuse panels.
Please read the mounting instructions and operating manual including the safety regulations
completely prior to starting connection and start-up.
The included control cable is specifically designed and tested for this application. It has to be used
necessarily for a proper function of the device. Using a seemingly similar cable can cause malfunction,
which is not covered by guaranty.
Installation and Connection
The small mounting depth (approx. 27 mm) of the electronic system allows flush mounting into furniture boards to
ensure, that an optimum installation place can always be chosen. The clear opening of the cutout is min. 71 x 66 mm to
ensure safe alignment of the front panel. Please use the delivered drilling jig, which has been designed to consider
combination with further display panels.
If possible, the rear cutout opening should be covered with electrically nonconducting material to ensure efficient
protection of the electronic system and full utilization of the storage space, which might be located behind.
The delivered control cable of 5 m length is used to connect the display unit to the VOTRONIC Solar Controller
(connection “Solar Display”). The connection is executed ready to be plugged in, and the cable should be laid according to
the safety instructions.
Now the unit is ready for operation.
If the length of the control cable is not sufficient for connection of the connection unit, the cable extension of 5 m length,
order No. 2005, being available as accessory can be used. The total cable length is then 10 m.
Initial Start-up:
Connect the solar controller according to the instructions to be ready for operation, and make the plug-type connection
between display and VOTRONIC Solar Controller. Now, also the Solar Computer is ready for operation.
Solar Nominal Capacity:
The nominal capacity of the system must be adjusted at the solar computer after initial start-up and after each change of
the solar system to ensure correct display of the bar graph. Adjust the display manually to 100 % (see page 2: “Capacity”),
when the sun shines and the full charging current flows.

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Operation
Button 1: Next page of Display.
Adjustment of illumination (3 s)
Button 2: Previous page of Display.
Adjustment of illumination (3 s)
Button 3: Display on/off.
Reset (3 s)
Display Contrast / Reading Angle
The display is a high-contrast LC display. Depending on
the angle of view, the contrast of the display might be
too weak or too high (hidden characters are visible).
The contrast can be quickly adapted by pressing the
buttons 1 and 3 (increase contrast) simultaneously, or by
pressing the buttons 2 and 3 (reduce contrast)
simultaneously.
Adjustment of the Background Illumination:
The background illumination can be adapted from bright to completely dark in steps of 10 %
according to the requirements. Press any arrow button for 3 seconds. After that, the arrow buttons 1
or 2 are used to increase or reduce the brightness. Save the adjustment by pressing button 3.
Activation, Deactivation
The solar controller supplies current to the solar computer. The unit is optimized for extremely current saving operation
and offers three operation modes.
Stand-by: During stand-by mode the display is empty. Only the “Charge” symbol will be displayed in case of discharged
battery and the sun symbol in case of activated solar controller.
Display with and without illumination: As soon as the solar computer is operated, the display illumination will be
switched-on and will remain activated for 3 minutes. If there is no operation during this time, the illumination will be
switched-off automatically. The display continues showing the same data. The display illumination is reactivated by
pressing any button. The proper function of the button will be effected by pressing the button a second time.
Solar Displays
Use the button 1 to change to the next page of the measured and displayed values of the
solar system. The buttons 1 or 2 are used to change to the next or previous page of the
display.
Current: The instantaneous current rate (Amperes “A”) of the solar system is displayed.
Voltage: The voltage rate (Volts “V”) of the solar battery is displayed.
Solar Power Counter: The power being generated by the solar system is counted
continuously and will be displayed as ampere-hours (Ah), as well as watt-hours (Wh). If the
value 9999 Wh is exceeded, the display changes to kWh.
The counter readings can be separately reset to zero at any
time. If the corresponding counter value is displayed, the
reset can be effected by pressing the button 3 for more
than 3 seconds until (Set ----) is displayed.
Capacity: The instantaneous capacity of the solar system is displayed as
bar graph in steps of 10 % on the left side of the display.
The nominal capacity of the system must be adjusted at the solar
computer after initial start-up and after each change of the solar system to
ensure correct display of the bar graph. Adjust the display manually to 100 %, when the sun
shines and the full charging current flows. Adjustment is effected by setting the display to
current (A) and by pressing the button 3 for more than 3 seconds until (Set 100 %) is
displayed. This procedure can be repeated at discretion and as required.
Battery recharging
urgently required
Solar System
active
Display
Unit
Bar Graph
0...100 %

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Operating State Solar Controller (Sun Symbol):
Depending on the solar controller, the operating state of the solar controller is indicated by the sun symbol.
No sun: Solar power is not at disposal; the solar controller is in stand-by mode.
Full sun: Solar power is at disposal, maximum possible charge
Flashing sun: The controller limits the current because of a full or almost full battery to avoid battery
overcharging. For determination of the possible solar power, the battery must be discharged by a consumer
(such as lighting) until the solar controller supplies full power, and the sun symbol stops flashing.
Function of Votronic controllers MPP 150, MPP 225, MPP 320, MPP 324, MPP 484:
No sun: Solar power is not at disposal; the solar controller is in stand-by mode.
Flashing sun: Proper operation of the controller. Control to “Maximum Power Point” (MPP).
General Information
Cleaning:
We recommend to use a damp microfibre cloth with pure water or, if required, with water with a few soap.
Take care that no liquid flows along the display screen or the edges of the front panel!
Never use solvents, aggressive household cleaners, and scratching or abrasive agents or objects to clean the
front panel and particularly the display itself.
Trouble-Shooting:
No display at all:
a) Reverse battery, fuse released Check!
b) Battery is totally discharged, below 7 volts Recharge immediately!
c) Connection cable is interrupted, damaged, or it is not inserted: Check!
„Hieroglyphs“ on the display:
a) The internal check programs of the unit have found an (memory) error:
Withdraw the cable connector for 10 seconds. After that, an initial start-up is to be executed as described above.
Technical Data:
System:
Nominal Voltage: 12 V and 24 V
Operating Voltage Range: 8...32 V (of Solar Controller)
Current Consumption: 3...30 mA, depending on illumination
Measuring Range: 20 Wp ... 550 Wp
Display Unit (LCD Display):
Technology: LC Display with specific segments
Representation Surface: 49 x 28 mm
Illumination: white LED
Dimensions (mm): 80 x 85 x 24
Assembly Dimensions (mm): approx. 66 x 72
Weight: approx. 55 g

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Safety Instructions:
Safety Regulations and Appropriate Application:
The VOTRONIC LCD Solar Computer has been designed according to the valid safety regulations.
Appropriate application is restricted to:
1. Use in combination with a VOTRONIC Solar Controller with a nominal voltage of 12 V or 24 V.
2. Technically faultless condition.
3. 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.
4. With a rear insulating cover of the display unit.
Never use the unit at locations where the risk of gas or dust explosion exists!
Open-air operation of the unit is not allowed.
Cables are always to be laid in such a way that damage is excluded. Observe to fasten them tightly.
Never lay 12 V (24 V) cables and 230 V mains supply cables into the same cable conduit (empty conduit).
Check live cables or leads periodically for insulation faults, points of break or loosened connections. Occurring
defects must be remedied immediately.
The unit is to be disconnected from any connection prior to execution of electrically welding or work on the electric
system.
If the user is not able to draw from the manual, which characteristic values are valid for a unit or which regulations
are to be observed, a specialist is to be consulted.
The user/buyer is obliged to observe any construction and safety regulations.
The unit is not equipped with parts, which can be replaced by the user.
Non-observance may result in injury or material damage.
Never use solvents or aggressive household cleaners for cleaning of the display!
The warranty period is 24 months from the purchase date (against presentation of the sales slip or invoice).
The warranty 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 or external intervention. We do not assume any liability for any damage
resulting hereof. The liability exclusion is extended to any service being executed by third, which has not been
ordered by us in writing. Service is to be effected exclusively by VOTRONIC D-36341Lauterbach.
Disposal of the
product in the
normal
household
waste is not
allowed.
The product conforms to RoHS.
Thus, it complies with the directives
for Reduction of Hazardous
Substances in Electrical and
Electronic Equipment.
Declaration of Conformity:
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.
Delivery Scope:
1 ea. LCD Solar Computer S
1 ea. Control Cable, Length 5 m
4 ea. Fastening Screws
1 ea. Operating Manual
1 ea. Drilling Jig
Available Accessories:
Control Cable Extension, 5 m Length Order No. 2005
Casing S Order No. 2014
Subject to misprints, errors and technical modification without notice.
All rights reserved, particularly the right of reproduction. Copyright VOTRONIC 04/15.
Made in Germany by VOTRONIC Electronic-Systeme GmbH & Co. KG, Johann-Friedrich-Diehm-Str. 10, 36341 LAUTERBACH/GERMANY
Phone: [phone] / 91173-0 Fax: [phone] E-mail: [email protected] Internet: www.votronic.de