Thrane&Thrane CH4656, CH4666, CH2410 Technical Manual
Battery Charger
Valid for:
T e c h n i c a l M a n u a l
CH4656
CH4666
CH2410
Please Note:
Any responsibility or liability for loss or damage in connection with the use of this product and
the accompanying documentation is disclaimed. The information in this quick guide is furnished for
informational use only, is subject to change without notice, may contain errors or inaccuracies, and
represents no commitment whatsoever. This agreement is governed by the laws of Denmark.
Doc. No.: M4656COM Issue: C/0508
Contents Battery Charger
CONTENTS
BATTERY CHARGER
1 INTRODUCTION 1-1
1.1 GENERAL DESCRIPTION 1-1
1.2 TECHNICAL DATA 1-1
2 TECHNICAL DESCRIPTION 2-1
2.1 PRINCIPLE OF OPERATION 2-1
3 INSTALLATION 3-1
3.1 OUTLINE AND DIMENSIONS 3-1
3.2 MOUNTING POSSIBILITIES 3-1
3.3 INSTALLATION WIRING 3-2
3.4 BLOCK DIAGRAM 3-3
3.5 AC SUPPLY VOLTAGE SETTING 3-4
3.6 CONNECTIONS 3-4
3.7 FLOAT CHARGE VOLTAGE ADJUSTMENT 3-6
4 SCHEMATIC DIAGRAM AND COMPONENT LOCATION 4-1
4.1 POWER SUPPLY UNIT 4-1
5 PARTS LIST 5-1
6 ACCESSORIES INCLUDED 6-1
0048
1 Introduction Battery Charger
BATTERY CHARGER
1 INTRODUCTION
1.1 GENERAL DESCRIPTION
The Battery Charger is designed as a stand alone unit.
The Battery Charger is designed with four separately fused output lines to ensure independent
supply for connected equipment if battery and Battery Charger is used in an uninterruptible power
supply (UPS) conguration.
Furthermore the Battery Charger includes the following features:
• 115V/230V selectable input.
• Encapsulation class IP22.
• Galvanic isolated AC alarm output.
• Protected Battery monitoring output.
• Indication of oat charge or main charge.
• Charges open or sealed lead-acid batteries.
• Easy connection.
• Easy access to fuses.
• Vertical or horizontal mounting.
• IEC 945 approved.
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1-1
1 Introduction Battery Charger
1.2 TECHNICAL DATA
AC input voltages: 115V, range 88V - 132V or 230V, range 176V - 264V.
Manual setting.
AC input frequency: 50/60 Hz ± 6%
Float charge voltage: Adjustable 26.8V - 28.8V to voltage specied by battery manufacturer.
Potentiometer located under cover.
Main charge current: 10A continuous.
Charger type: Automatic, with oat charging. IE characteristic.
Battery type: Lead-acid, open or sealed.
Nominal battery capacity: 20 - 120 Ah
Nominal charging time: 10 hours to 80% capacity, 120 Ah battery.
Battery monitoring: Protected output.
AC Mains Alarm output: Relay contacts 5-50mA, 10-32V. Closed in alarm condition.
Alarm in case of AC supply failure.
Protection: The Charger output is current limited and protected against polarity
reversal, short circuit, over voltage and over temperature.
Operating temperature: - 20° to + 55° C.
Dimensions: HxWxD: 110x370x260 mm.
Weight: Approx. 5 kg.
Compass safe distance: Standard: 1.4 m. Steering: 1.0 m.
1-2
0048
2 Technical Description Battery Charger
Main Charge
Float Charge
t
I max
Float Charge
Voltage
Lower level
t
U
I
37672
2 TECHNICAL DESCRIPTION
2.1 PRINCIPLE OF OPERATION
When charging the Battery Charger is operating as a constant current generator until the battery
voltage reaches the voltage level set by the oat voltage potentiometer. At this level the Battery
Charger is changing state to a constant voltage generator to maintain a constant voltage to the
battery.
Four DC outputs are connected directly to the battery making it possible to use the Battery Charger
and the battery in an uninterruptible power supply (UPS) conguration.
If the battery is loaded more than the Battery Charger can supply (>10A) power is taken from the
battery discharging it. In periods of less consumption the battery is recharged.
TYPICAL CHARGE CURVE
0048
2-1
2 Technical Description Battery Charger
2-2
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