Merlin
Product Data Sheet
S&S Northern Ltd
7
This is factory set in the ‘off’ position which instructs the system to shut down the
fan(s) and gas supply on activation of the Emergency shut off button(s). On
installation, this can be switched to the ‘on’ position if required. This will instruct the
system to leave the fans on and only shut off the gas supply on activation of the
Emergency shut off button(s). Note: This option is not available if Fan Switch is not
installed.
3.7
Gas fill and prove time
Gas fill and prove times are adjustable. There are two dip-switches located on the
inside facia of the Merlin
labelled “Fill Time” and “Prove Time”. They are
factory set in the ‘off’ position. Fill and prove time can be changed by turning the relevant dip
switch to on position.
Fill time: Off
– 5 secs, On – 10 secs
Prove time: Off
– 30 secs, On – 50 secs
Once the settings has been changed, please remove power from the fuse spur for 10
seconds.
3.8
Auto reset
The Merlin has a built-in auto reset feature. There is a dip-switch located on the
inside facia of the Merlin
labelled “Auto Reset”. This is factory set in the ‘off’
position. When the power is restored after the power cut, the panel has to be restarted
manually. On installation
, this can be switched to the ‘on’ position if required. This will instruct
the system to restart automatically when power is restored after the power cut.
