LPS PP-2/110 Series User manual

The LPS PP - 2/110 Series are Surge Protective Device (SPD) for
maximum 5 amps DC Power Supply. The Standard Clamping Voltage
is:
LPS PP - 2 / 110 SERIES
INSTALLATION INSTRUCTIONS
TECHNICAL SUPPORT
T: [phone] E: [e-mail]
150V for PP - 2/110
PP - 2/110
Product Series
Number of
Protected Wires
Maximum Operating
Signal Voltage
Safety Precautions & Installation Procedures
1. Do not install during thunderstorm.
2. Turn O power supply to all equipment to be protected.
3. Verify that the equipment chassis is earthed.
4. Add a 2.5mm green ground wire to G of equipment terminal of
SPD and connect the other end (with cable lug) to the metal
chassis equipment by;
i. Removing a screw on the metal chassis that is within reach of the
ground wire.
ii. Removing any paint around the screw hole.
iii. Tightening screw with ground wire cable lug under it.
iv. If equipment has no metal chassis, connect the ground wire to
the nearest power socket earth / earthed metal equipment rack /
earthed metal bracket which support the equipment.
2

5. Cut the incoming DC power supply cable to less than 1 meter away from
the equipment.
6. Strip about 50mm of cable jacket to expose wires.
7. Strip about 6mm of wire insulator to expose conductor.
8. Connect the + and - of the incoming DC power supply to the
corresponding + and - of LINE terminal of the SPD.
9. Connect the + and - of the equipment DC power cable to the
corresponding + and - of EQUIPMENT terminal of the SPD following the
same procedure used in step 6 & 7.
10. Apply power to the now protected equipment.
Trouble - shooting
1. Check to see if your equipment is turned on.
2. Inspect all connections.
3. Remove and by - pass SPD and verify proper operation. If the system
comes back on line without the SPD installed, chances are the SPD
has been damaged by excessive surge. Replace the SPD as soon as
possible with a new SPD. It is not advisable to run the system
without SPD.
v
Equipment
to be
Protected
AC
Ground
Equipment Data Line
< 1 meter
Incoming Data Line
(overhead cable/underground cable/
indoor equipment > 30 meters)
G
Note:
Both + (Positive) and - (Negative) are connected internally inside the SPD.
+ G - + G -
LINE
EQUIP

Important Note:
. All LPS Products must be connected to Power Earth,
directly or indirectly.
. All connecting leads must be as short & as straight as
possible. The SPD must be less than 300mm away from
the equipment to be protected.
SIDE VIEW
∆
∆
∆
∆
20mm
51mm
115mm
29mm
PP - 2 / 110 LINE
EQUIP
25mm 45mm 25mm
115mm
38mm
+ G -
+ G -