Merlin CT1750
User Guide
Rev: 07 05-19
6
2.11
12vDC
This is a permanent 12v DC output when there is power at the panel and
can be used to create a relay switch with the BMS relay output.
This is normally used to power a PM2 current monitor. (Supplied separately)
Contact your supplier for more information.
2.12
0-10vDC Output
0-10vDC outputs are detailed as [0-10vDC Fan 1] & [0-10vDC Fan 2].
These connections are used to regulate external fan speed
controllers which can accept this control signal.
3
Installation & Operation
3.1
System ON and OFF
Turn off all open gas appliances.
Turn the Fans On.
Turn the key switch to on position.
To turn the system off, turn the key switch to off position.
3.2
Using the Emergency Shut Off
The Emergency shut off button is located on the front of the panel. There is also a facility for
remote shut off buttons to be wired in series.
The Emergency shut off button(s) will cut off the gas supply when
activated.
To reinstate the system, the Emergency shut off button(s) will need to be
reset and the panel restarted.
There are2 dip-switches located on the inside facia of the CT1750
labelled Fan 1 & Fan 2 [EM SEL].
They are both set in the OFF position which instructs the system to shut down the fans and gas
supply on activation of the Emergency shut off button(s).
