12V 7Ahr batteries
&
There are LETHAL VOLTAGES present on the Power supply assembly.
Therefore it is important when working on the MCB or PSU board to completely
power down the panel. The mains supply must be switched off and the battery
supply disconnected.
Ensure the two 12V 7Ahr batteries are connected as illustrated using the battery lead and link lead
j
. Place the batteries on the bottom shelf
k
of the enclosure. Ensure the plug-end of the battery
lead
l
is connected to socket marked BATT on the power supply assembly.
"
The panel will only power up after the mains supply is connected and
switched ON.
Once the 12V 7Ahr batteries are connected up to the power supply assembly, remove the prop
m
used to support the LCD assembly and then close the LCD assembly.
Commissioning instructions
16
4188-949 issue 3_05/10_Nano Comms inst.
12V
7Ahr
batteries
12V 7Ah 12V 7Ah
+
-
+
-
P7
BATT on
Power Supply Assembly
WARNING
Removal of
cover exposes
live parts
DANGER
WARNING
Removal of
cover exposes
live parts
DANGER
Red
Black