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Connection and Operation
Check for matching voltage specifications on the inverter and the desired load devices.
Use only wire of sufficient cross-section for the DC-leads and make sure to have generous connecting surface between the wire and the DC-
connectors.
Caution: To achieve proper electrical contact between the bolts and the printed circuit board, always fasten the nuts of the DC connectors
(figure 1) even if only used for testing purposes.
Check for adequate air clearances at the ventilation slots to ascertain sufficient cooling. Never cover the ventilation slots and never operate the
device near combustible materials.
Connect the inverter with the DC power supply and switch it on. If everything is connected properly and operated within specified parameters, the
green LED will light up.
General notes on operating AC loads with inverters
In general, all AC loads may be operated with inverters. To estimate the power requirements and necessary reserves, one needs to know some
characteristics of typical AC loads. Most AC loads have been designed for mains operation. One important item to note however is the required
inrush current which does not play a big role when operated on mains voltage since the mains grid is capable of delivering very large currents.
Manufacturers therefore do not focus on inrush current. The inrush current however may exceed the nominal rated value by a multiple.
•
Incandescent lamps up to 8x higher inrush current within 1 sec
•
Refrigerators up to 10x higher inrush current within 3 sec
•
Television sets up to 10x higher inrush current within 1 sec
Therefore it is important to choose the inverter for sufficient power reserves. For example an inverter supposed to supply a small refrigerator of 50W
nominal power has to deliver a peak power of 500W.
Reverse Polarity Protection
In case the DC input is accidentally connected with reversed polarity the current is flowing across a diode and triggers the fuse. In this case the
proper polarity must be established and the fuse replaced.
Replacing the Fuse
The fuses are located under the DC connector cover (12V: 40A; 24V: 20A). In case the fuse is blown the inverter has to be disconnected and the
fuse replaced with a new one of the same current rating. Subsequently check the device without any load connected. In case the fuse blows again
the device is defective and has to be repaired by an authorized technician.
Remote control
To connect the remote control we suggest stranded wire of 2, x 0,5mm². The cable may be extended up to a length of 10m. You may use any switch
as ON/OFF switch, since the internal 12V direct voltage is used as switching voltage.
Recommended minimum DC wire cross-section
Technical Data:
Nominal input voltage:
Min./max. input voltage:
Typical current consumption:
DC fusing:
Continuous output power:
Maximum output power:
AC output voltage:
Output voltage tolerance [+/-%] @ 12V DC IN:
Output frequency / tolerance:
Fan cooling:
Remote control connector:
Dimension mm:
Weight:
Nominal input voltage:
Min./max. input voltage:
Typical current consumption:
DC fusing:
Continuous output power:
Maximum output power:
AC output voltage:
Output voltage tolerance [+/-%] @ 12V DC IN:
Output frequency / tolerance:
Fan cooling:
Remote control connector:
Dimension mm:
Weight:
We reserve the right to make technical alterations. We assume no liability for typing errors. 10/2004.
Phone: (49) 180 – 5312111, Fax: (49) 180 – 5312110 Email: tbk@conrad.de
All manuals and user guides at all-guides.com
PT300 / PT600
PT1200
PT2000
PT300-12V
12V
11-15V
0,5W
1 x 40A
300W
800W
225V
5%
50Hz +/-1%
no
yes
220 x 245 x 70
2,2 kg
PT1200-12V
12V
11-15V
0,5W
4 x 40A
1200W
2000W
225V
5%
50Hz +/-1%
yes
yes
400 x 245 x 70
3,6 kg
Conrad Electronic GmbH, Klaus-Conrad-Str. 1, D-92240 Hirschau, Germany
up to 2m
3m
16mm²
16mm²
25mm²
35mm²
35mm²
50mm²
PT300-24V
PT600-12V
24V
12V
22-30V
11-15V
0,5W
0,5W
1 x 20A
2 x 40A
300W
600W
800W
1200W
225V
225V
5%
5%
50Hz +/-1%
50Hz +/-1%
no
yes
yes
yes
220 x 245 x 70
220 x 245 x 70
2,2 kg
2,4 kg
PT1200-24V
PT2000-12V
24V
12V
22-30V
11-15V
0,5W
0,5W
4 x 20A
8 x 40A
1200W
2000W
2000W
3500W
225V
225V
5%
5%
50Hz +/-1%
50Hz +/-1%
yes
yes
yes
yes
400 x 245 x 70
505 x 245 x 70
3,6 kg
5,2 kg
PT600-24V
24V
22-30V
0,5W
2 x 20A
600W
1200W
225V
5%
50Hz +/-1%
yes
yes
220 x 245 x 70
2,4 kg
PT2000-24V
24V
22-30V
0,5W
8 x 20A
2000W
3500W
225V
5%
50Hz +/-1%
yes
yes
505 x 245 x 70
5,2 kg
Internet: www.conrad.de
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