Links
&
There are LETHAL VOLTAGES present on the Power 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.
Flash Memory protect link P9
A hardware link is provided on the Main Control Board (MCB) to protect the FLASH memory that
holds the system configuration data.
Flash Unprotected: Normally during commissioning the FLASH memory is not required to be
protected to allow the configuration data to be backed-up. The link
P9 on the Main Control Board
is placed in the
'Enabled' position to allow data to be backed-up.
Flash Protected: When all the final configuration data is backed- up to the Flash memory and on
completion of all commissioning work, place the link
P9 in the 'Disable' position to prevent
inadvertent changes of configuration data being backed-up.
Pull out the tabs
j that secure the LCD assembly and open the LCD assembly k to no more
than 45
o
angle. Use a prop l such as a plastic pen to hold up the assembly when working on the
MCB. If required configure link P9 on the MCB
n.
Buzzer enable/disable link P5
The panel buzzer will automatically sound with a fault or fire event. During commissioning it may be
necessary to disable the panel buzzer by configuring the link
P5 located on the Main Control
Board. When the link is set in the
disable position, the buzzer will not sound with a fault or fire
event. If required configure the link P5 on the MCB
m.
"
It is important to ensure that the buzzer is switched On for normal operation
after commissioning.
Commissioning instructions
14 4188-949 issue 3_05/10_Nano Comms inst.
Links
DO NOT open more
than 45 maximum.
o
Place a non conductive
prop, such as a plastic pen.
Backbox
LCD assembly
A VIEW OF THE ELECTRONIC MODULE
WARNING
Removal of
cover exposes
live parts
DANGER
POWER SUPPLY BOARD
Main Control Board (MCB)
Buzzer
P5 on MCB
enable/disable link:
- panel buzzer is enabled
(factory setting)
- panel buzzer is disabled
Enable
Disable
Flash memory P9 on MCB:write protect link:
- Flash is unprotected and configuration data can be backed-up (factory setting)
- Flash is protected and configuration data cannot be backed up
Enable
Disabled
P5
ENABLE
BUZZER
DISABLE
P9
ENABLE
PROTECT
DISABLE
LCD Assembly
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