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Installation & Operation Manual
7. EM REMOTE
Connections for remote emergency shut-off or stop buttons is detailed on the circuit board as
[EM REMOTE]. This is linked out as a factory setting.
8. GAS DETECTOR & CO2 MONITOR
Connections can be made for a Merlin gas detector (LPG, NG, CO or Hydrogen).
If no detector is being used leave the factory fitted link in.
A wiring example for a gas detector is shown.
Refer to your gas detector manual for further information.
CO
MONITOR.
2
To connect a CO2 monitor and gas detector – wire in series and power the CO2 monitor via
external mains power supply. Refer to your CO2 monitor manual for further information.
9. FAN SWITCHES
This terminal switches when the key is turned on and off.
This can be connected to a fan switch (supplied separately) which can provide power to fans
when the control panel is switched on.
10. PD SWITCHES / CURRENT MONITORS
This terminal is used to receive an input signal from external air pressure switches or current
monitors. This terminal is linked out as a factory setting.
Wiring to external air pressure switches or current monitors should made using a two core cable.
This is a volt free connection.
11. 12V DC
This is a power output for external auxiliary devices when there is power at the panel and can
be used to create a relay switch with the BMS relay output.
Max output: 50mA
1000VW+ IOM Rev: 05
01-20
Merlin 1000VW+
6
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