Installation & Operation Manual Merlin 1000S+
1000S+
IOM
Rev: 9 07-20
7
Switch Settings
There are various dip-switches on the front circuit board that can be adjusted to configure your
system as per the following.
Auto Reset
There is a switch located on the circuit board labelled [AUTO RESET].
OFF
When power is restored after the power cut/ loss, the panel has to be
restarted manually. (Default)
ON
This will instruct the system to restart automatically when power is
restored after power cut/loss.
Building Management System Integration
There is a dip-switch located on the circuit board labelled [BMS SEL].
The panel can be integrated with a BMS to make or break a circuit when the gas is
either on or off, (valve open or valve closed). This will tell the BMS whether or not
power is being sent to the solenoid valve.
OFF
Signals the BMS when gas is on or gas is off. (Default)
ON
Signals the BMS on a fault, i.e. high gas levels detected, emergency
shut-off activated, etc.
Fan Switch Integration
There is the facility to connect a Fan Switch.
A fan switch (Merlin FS1 or FS2 - sold separately) provides the facility to turn on fan(s) when the
1000S+ panel is switched on and removes power to fan(s) when the switched off.
There is a switch located on the circuit board labelled [EM SEL].
OFF
Instructs the system to shut down fan(s) and gas supply upon
activation of emergency shut off button(s). (Default)
ON
Instructs the system to leave the fans on and shut off the gas supply
only upon activation of emergency shut off button(s).
Note: This option is not available if a Fan Switch is not installed.
