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73.976 | 09.47

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5  Devices with display (STM 821/861)

5.1  Structure

The STM 81/861 battery chargers comprise the following components:

Display screen for setting and displaying the operating status
Cursor buttons for operation and adjustment
Power connection, plug with grounding contact
Charging clips: red = +, black = –

5.2  Menu description

After the device is switched on, device data appears briefly, then the main screen 

appears, with the most recently saved settings.

Status row
Data field
Indication of the selected parameters
Operating guide row

5.2.1  Functions of the cursor buttons

The present function of the cursor buttons are shown in the bottom row of the 

display.
 

Select parameter/change value

 

Change parameter/save setting

 

In menu: go back without saving

 

In start screen: start/stop charging process

5.2.2  Adjusting settings
Example: adjusting the displayed battery capacity

Make sure that the parameter "Battery capacity" is marked with the symbol 

">". If necessary, select this parameter with the up/down buttons.
Activate the "Battery capacity" parameter with >.
Adjust the value with up/down.
Once the desired value has been reached, save it with >, or press < to 

return to the previous menu without saving.

5.2.3  Menu overview

The menu contains the following items:

Battery capacity
Battery type
Characteristic curve
Charge parameters
Device settings
Info

The following sections describe the menu items in detail.

Battery capacity 

With the up/down buttons, the battery capacity can be adjusted within the per-

missible capacity limits.

Battery type

The following battery types can be selected with the up/down buttons:

Liquid battery
Gel battery













Device image 81

Start screen

Device image 861

 

Содержание Stecamat STM 820

Страница 1: ...Installation and operating instructions Stecamat STM 8 0 1 V 4 V 36 V 48 V STM 8 1 1 V 4 V 36 V 48 V STM 860 1 V 4 V 36 V 48 V STM 861 1 V 4 V 36 V 48 V 7 3 977 Z0 09 47 BATTERY CHARGING SYSTEMS EN...

Страница 2: ...7 5 2 Menu description 7 6 Mounting 9 6 1 Mounting location requirements 9 6 2 Mounting the STM 860 861 9 6 3 Mounting the STM 820 821 9 7 Operation 10 7 1 STM 820 860 10 7 2 STM 821 861 11 8 Care mai...

Страница 3: ...65 24 V 35 A 24 V 35 A 36 V 25 A 36 V 25 A 48 V 18 A 48 V 18 A STM 861 12 V 50 A 12 V 50 A LCD display IP 65 24 V 35 A 24 V 35 A 36 V 25 A 36 V 25 A 48 V 18 A 48 V 18 A 1 About this manual These opera...

Страница 4: ...s thawed out Lead acid batteries may only be charged if the acid level complies with the bat tery manufacturer s specifications WARNING Ensure that a professional electrician regularly checks the func...

Страница 5: ...If acid splashes into the eyes immediately rinse with plenty of water and seek medical advice Ensure that the battery is in a secure and stable position because if the battery were to tip over or fall...

Страница 6: ...ed Send the device to the manufacturer for inspection and do not use it any longer 4 Devices with potentiometer and LED STM 860 4 1 Structure The STM 860 battery chargers comprise the following compon...

Страница 7: ...ing In start screen start stop charging process 5 2 2 Adjusting settings Example adjusting the displayed battery capacity Make sure that the parameter Battery capacity is marked with the symbol If nec...

Страница 8: ...actor 0 3 C the charging current for a 100 Ah battery is 30 A Temperature compensation If temperature compensation is switched on the end of charge voltage is reduced in high temperatures and increase...

Страница 9: ...the mains cables or charging cables 6 2 Mounting the STM 860 861 Attach the mounting plate to the wall with four M5 screws not provided Allow the device to slide down from above onto the hooks which p...

Страница 10: ...harged When the LED slowly flashes green the battery is 100 charged Trickle charging is being realised by the device Trickle charging can continue for any length of time STM 820 turn the potentiometer...

Страница 11: ...ength of time Stop the charging process with the stop button Disconnect the charging clips from the battery Switch off the device with the mains switch STM 861 only 8 Care maintenance and service The...

Страница 12: ...nts 12 V 24 V 36 V 48 V Charging capacity 12 V variant max 600 W 24 V variant max 840 W 36 V variant max 840 W 48 V variant max 840 W Characteristic curves STM 820 860 IU STM 821 861 IU IA constant U...

Страница 13: ...variant with factory settings 1 Pre charging with end of charge voltage only with totally discharged batteries 2 Charging with constant charging current charging voltage increases 3 Recharging with e...

Страница 14: ...t factor This setting is suitable for back up operation e g to supply power to vehicles in exhibition rooms or for uninterruptible power supplies 10 4 4 On off charging 100 16 V 14 4 V 13 8 V 13 5 V 1...

Страница 15: ...w a voltage is connected Overvoltage due to additional power supply charger Check the battery Set the capacity correctly Check the battery Disconnect other loads Disconnect the battery The battery cha...

Страница 16: ...ension period in writing by the customer the reduction in value caused by the fault shall be replaced or if this is not sufficient taking the interests of the end customer into consideration the contr...

Страница 17: ...e product They will help you with any issues you may have Europe Steca Elektronik GmbH Mammostrasse 1 87700 Memmingen Germany Tel 49 0 8331 8558 0 Fax 49 0 8331 8558 132 Email ladesysteme steca com Ba...

Страница 18: ...18 723 976 09 47 EN...

Страница 19: ...19 723 976 09 47 EN...

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