Nor-tec UL30F User manual

Battery-Charger and Trickle-Charger

Version: 07/2017

DC 24V 8A / DC 24V 1A // AC 230V / 50-60 Hz

Part No.: UL30F.042 109-0037

NSN: 6130-12-399-1912

Nortec Electronics GmbH & Co. KG

An der Strusbek 32 B

D-22926 Ahrensburg (Germany)

Tel: +49 / (0) 4102 / 42002

Fax: +49 / (0) 4102 / 42840

E-Mail: [email protected]

Web: www.nortec-electronics.de

General information

This manual by Nortec Electronics describes the battery charger / trickle charger

UL30 in the UL30F version.

The microprocessor controlled battery charger / trickle charger UL30F for charging

and trickle charging of 24V Lead-Acid-Batteries was designed for the specific request

of the French Army. Military practice recommends capacities from 20Ah to 400Ah for

the UL30F. In case of higher capacities the time of charging will be extend. Civil

batteries can be different to this specification. The manufacturer information must be

defined. The charger in IP65 aluminum housing is protected against shock and

vibrations.

The charging will be connected with the 7-pole VG-connector type 16S. The length of

the charging cable and the ambient temperature will be compensated by the software

of the UL30F. Due to its automated trickle charging program, the battery can be

unlimited connected to the battery charger without being damaged.

Attention

The working- and operating procedures must always be observed to prevent any risk

to the operator and the device.

Note

The technical explanations are intended to provide a better and more convenient

understanding. Please consider the drawn attention to specific operating

requirements and procedures.

In the case of deviations or incompletion, please inform:

NorTec Electronics GmbH & Co. KG

An der Strusbek 32 B

D-22926 Ahrensburg

Tel: +49/ (0) 4102/42002

Fax: +49/ (0) 4102/42840

E-Mail: [email protected]

Web: www.nortec-electronics.de

Content

1. Technical Information UL30F............................................................ 3

2. General................................................................................................ 5

3. Installation .......................................................................................... 5

4. Electrical Connection ........................................................................ 6

5. Construction....................................................................................... 7

5.1 Housing ......................................................................................... 7

5.2 Front Foil ....................................................................................... 8

6. Charging ............................................................................................. 9

6.1 Preface........................................................................................... 9

6.2 Battery types and charging characteristics............................. 11

6.3 Temperature Compensation...................................................... 12

7. Fault Indication and Rectification................................................... 13

7.1 Continuous Red Light «VOLTAGE <25.4V» ............................ 13

7.2 Flashing Red Light «Device error» ........................................... 14

7.3 Continuous Red Light «Battery error» ..................................... 15

8. Accessories ...................................................................................... 16

8.1 Transportation frame ................................................................. 16

8.2 Vehicle connection cable 032F ................................................. 17

8.3 Battery connection cable 033E ................................................. 17

9. List of Figures .................................................................................. 18

10. Spare Parts and Accessories........................................................ 18

1. Technical Information UL30F

Type: UL30F

Part-No.: UL30F.042 109-0037

NSN: 6130-12-399-1912

Manufacturer: NorTec Electronics GmbH & Co. KG

An der Strusbek 32 B

D-22926 Ahrensburg

Tel.: +49/ (0) 4102 / 42002

Fax: +49/ (0) 4102 / 42840

E-Mail:[email protected]

Web:www.nortec-electronics.de

Mains voltage: 230V ±10% / 50-60 Hz

Input power: <500VA (max.)

Output voltage: max. 35VDC ±1% (Device limited)

Output voltage pre-charging: 28,8VDC ±1% (constant voltage)

Output current main-charging: 8A ±5% (constant current)

Output voltage main-charging: 28,8VDC ±1% (constant voltage)

Output current trickle-charging: 1A ±5% (constant current)

Display: 5 Led’s

EMV: According to VG95 373-GwK 3, EN55022,

EN61000-3-2, EN61000-3-3, EN61000-4-2, -3, -4,

-5, -6, and -11.

Protection class: IP65

Operating temperature: -25 to +40 °C (in case of higher temperature

the output power will be reduced)

Storage temperature: -40 to +85 °C

Humidity: (5-95) % for Tu=55°C

Dimensions (L x H x l in mm): 240 x 120 x 90

Weight: 2.3 kg without charging cable

Confirmations: CE Conformity

Mains connection: Protective contact plug with double

protection contact system

Warranty: 24 months

2. General

We congratulate you for buying UL30Li

The housing contains two chargers:

•• Battery-charger

•• Trickle-charger

Latest microprocessor technique is responsible for charging your battery according to

UIUa-curve (recommended by the leading battery producers) which guarantees the

maximum lifespan for the battery. Long-term experience in the German Army has

shown that intermitting I-charge is superior to constant voltage trickle-charging.

The vehicle parks of German Army show very convincing results even for vehicles

which are not in use most of the time. A functioning deep discharged battery will be

charged up to the highest possible capacity and kept at this level starting at a

remaining voltage of about 6V. While charging it stays closed and connected to the

vehicle. Batteries with failures will be recognized.

The status of the charging and the device will be indicated by the 5 LEDs of the

device at any time.

3. Installation

A voltage of 230V ±10% / 50-60 Hz is necessary for using this battery charger.

Please check in advance whether this voltage is available and corresponds to the

value on the type label of the charger. The design of the UL30F doesn’t require a

certain order of installation and handling. Especially the wrong polarity protection

prevents installation damages.

We recommend the following procedure:

1. Connect the vehicle to AC mains. Short flashing of the indication LED shows

that the charger finished its Selftest successfully and is ready for use. The

device starts charging automatically.

2. Connect the charging cable correct to the battery. In case the voltage is below

6V please check battery voltage and connection.

3. Disconnect the charger from the power supply first. Then remove the charging

cable from the vehicle

Note

Before the charger will be switched on, the battery connection cable hast o be

contacted. Charging cable and battery must be checked for contamination and

mechanical and electrical condition before connection.

•Connect the mains plug, green LED "Mains okay" lights up

•Internal functioning test: all LED´s lights up for about one second

•Afterwards the red LED „Pre-charging Main-charging“ lights up

•In case of a loaded Battery over 25.0V is connected, the charger starts Main-

charging and skip over Pre-charging. If the battery reached the cutoff voltage

of 28.8V and cutoff current of 1A the charger starts Monitoring/Trickle charging

4. Electrical Connection

Provide a contact socket (230V ±10% / 50-60 Hz) in the radius around the planned

installation position of the UL30F

Note

The number of devices in regard to the protection values of the power supply lines

must be limited:

Max. Input power UL30F: 500VA = 2.5A @ 200V AC net voltage (under voltage)

5. Construction

5.1 Housing

The UL30F battery charger is built into a dust and spray-water protected aluminum

housing with protection class IP65. All power modules are connected to the rear wall

in a heat-tight manner.

The mains cable is watertight and strain-relieved connected to the housing by a PG

gland. The connection of the charging cable is also located on the underside of the

device.

On the front panel of the housing are five indicator LEDs.

The front foil protects the display elements against moisture and is descried with the

short instruction.

Pic. 1: UL30F

5.2 Front Foil

Pic. 2: Front foil UL30F

Legend

MAINS ___ Mains okay

CHARGE ----- Pre-charging

___ Main-charging

TRICKLE CHARGE ----- Monitoring

___ Charging

VOLTAGE <25.4V ___ Battery undervoltage

FAUT ----- Device error

___ Battery error

6. Charging

6.1 Preface

Proper battery charging is the first prerequisite for a long battery life. The UL30F

treats any kind of lead-acid-batteries with a nominal voltage of 24V in the optimum

way.

In order to avoid permanent damage on the battery caused by deep discharge, which

can lead the battery being unusable, the battery has to be checked regularly.

Please consider that only charged batteries should be stored. A deep discharge

battery can destroy itself within a few days.

A functioning battery with open-circuit voltage greater than 24V can be easily

charged with up to 8 Amps to its charging voltage of 28.8V. The charging voltage is

preset by the device software.

After the open-circuit voltage has been reached, the charger can be left on the

battery until the charging current falls to 1 Amp given by the software side and the

battery is optimally charged.

If the battery is deep discharged Irreversible chemical processes may occur in the

battery. This may reduce the battery's current-carrying capacity significant.

In this case the pre-charge is used to try to reverse the chemical reaction.

First the charging program checks if the pre-charge is required. In this case the

battery must recover within a predetermined time. Is the pre-charge time exceeded

12h, the device displays fault.

Attention

Disconnect the charger from the power supply first. Then remove the charging cable

from the vehicle.

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