Installation & Operation Manual
Merlin 2000S
2000S
IOM
Rev: 01 01-22
4
Typical Installation Arrangement
Terminal Connections
1. POWER / LINE IN
240VAC Power should be supplied to the [POWER / LINE IN]
terminal and fused at 3A.
On connecting the mains supply to the panel the power LED indicator will light up
–
this is
located on the front cover.
2. GAS SOLENOID VALVE OUTPUT
240VAC electrical power supplied from the [VALVE OUT] connector using a 3 core cable can
be connected to a gas solenoid valve which can shut the gas supply on alarm status.
Pressure sensors should be screwed to the downstream port of the valve.
Refer to your valve manual for more information and wiring!
3. SUPPLY/ EXTRACT FAN PRESSURE DIFFERENTIAL SWITCHES / CURRENT MONITORS
These terminals are used to receive an input signal from external air pressure switches or
external current monitors. These terminals have factory fitted links installed.
If only one fan is being used
–
leave factory fitted links in terminals NOT IN USE!