Installation & Operation Manual Merlin 1000V+
Rev: 04 08-22
9
Switch Settings
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Auto RST (Panel Auto Reset)
There are various dipswitches on the front circuit board that can be adjusted to configure your system as
per the following. There is a switch located on the circuit board labelled [AUTO RST].
OFF
When power is restored after the power cut/ loss, the panel must be restarted manually. (Default)
ON
This will instruct the system to restart automatically when power is restored after power cut/loss.
Switch Settings
–
Pressure (Gas Pressure Threshold Configuration)
There is a dipswitch located on the circuit board labelled [Pressure].
The gas supply will be turned off if pressure will drop below threshold value continuously for 10 secs.
OFF
Low pressure threshold is set to 1.2 kPa. (Default)
ON
Low pressure threshold is set to 0.5 kPa.
Switch Settings
–
EM SEL (Fan Switch Configuration)
This option is not available if a fan switch is not installed!
A fan switch (Merlin FS1 or FS2 - sold separately) provides the facility to turn on fan(s) when the
panel is switched on and removes power to fan(s) when the switched off.
OFF
Instructs the system to shut down fan(s) and gas 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).
Switch Settings
–
Fill & Prove Time (Gas Proving Setting)
Once the settings have been changed - remove power for 10 seconds.
FILL TIME:
Amount of time the gas valve opens to fill the gas line on power up or reset.
PROVE TIME:
Amount of time the system tests the gas line for leaks on power up or reset.
FILL TIME
PROVE TIME
OFF
5 Seconds (Default)
OFF
30 Seconds (Default)
ON
10 Seconds
ON
50 Seconds
