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There is no need to remove the power and grounding connections from panel mainboard.
But in case of any service action pins and connection locations must be controlled according
to labels printed on mainboard.
5.5.1 Main Power Connection
The Panel has internal switching power supply to mains connection (220VAC). This
connection must be made three-wire 1.5mm
terminal entries and fixed by using cable fastener on the terminal. Make sure all the
detectors connected properly before applying the power. The power supply pin labels and
their definitions are given in table10:
Name Type
Usage
L
input
Phase
Gnd
input
Ground
N
input
Neutral
V+
output +24VDC (Only for panel and detectors, do not use for any other device)
V-
output -VDC
5.5.2 Backup Battery Connection
To continue operation in case of main power failure two backup batteries (12V 7Ah) must be
serially connected to the system. Take extra care to connect the batteries with correct poles.
The cables or main board can be damaged in case of mixing pins or making short circuits.
Backup batteries must be connected as shown below.
Panel battery input
V-
V+
Panel will automatically switch working with battery power in case of mains loss. If panel
was off when mains power is not available user must press the battery operation button to
start the panel via using backup battery power.
PRS-UM-DP-X-EN-Rev1.0-17.11.2021
Table 10: Main power connection details
V-
V+
V-
V+
Diagram 18: Backup battery connection
2
cross section cable to the main supply
Battery 1/ 12V 7Ah
Battery 2/ 12V 7Ah
19
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