Installation & Operation Manual Merlin
IOM
Rev: 05 01-20
3
INSTALLATION
Planning
The Merlin gas pressure proving, electric and water isolation system is designed
specifically for use in educational buildings and Laboratories with ventilation interlocking
between the ventilation system and the gas solenoid valve. The system is compatible with both
current monitors and air pressure differential switches in order to interlock with up to two fans.
This panel is to be used to carry out a gas proving test on the pipe work in order to highlight if
there is a gas appliance open or a gas leak in the laboratory. The Merlin is designed
to give the teacher full control over the incoming gas supply, bench electrics and water
supply with the lockable main key-switch and touch sensors.
The Merlin can work in conjunction with carbon dioxide, natural gas, carbon
monoxide and LPG sensors. The Merlin also has a built in “timeout” facility which will
automatically shut off the gas solenoid valve at the end of a specific time period, this time
period can be adjusted to 2, 5, 8 hours or can be overridden if required.
Placing the panel at eye level allows for optimum monitoring of the LED indicators.
Fixing - Mounting
Unpack all the parts!
1.
Carefully remove the front cover from the unit by unscrewing the four bolts located at each
corner. To do this – use the socket wrench provided.
2.
Mark the four screw holes located on the back of the enclosure to the wall. Ensure the wall
surface is flat to prevent base distortion.
3.
After executing the mounting and the connections – replace the front cover and insert the
security caps over the four bolts.
Please refer to your detector manual for important information regarding coverage,
location and positioning including areas and conditions to avoid.
Be careful when creating access for cables – Damage to boards will void any warranty.
Carefully remove the circuit board before drilling cable entry holes.
