Merlin FAB-1
User Guide
Rev: 07 05-19
3
1
General Information
The Merlin FAB-1 is a fire alarm bypass panel.
The Merlin FAB-1 is designed to allow gas to remain on- for a pre-determined time during a fire
alarm test. The FAB-1 should be activated before a fire alarm test to allow the gas supply to
remain on. This is done by turning the key switch on the fascia of the panel as far clockwise as
possible. Once released the key will return to its original position and a countdown timer is
activated. The countdown timer can be adjusted inside the panel to allow the gas supply to
remain on for between 10 and 45 minutes.
When the FAB-1 is in operation the panel will beep every 20 seconds until there is 5 minutes
before the end of the timeout, the FAB-1 will then beep every 10 seconds and the bypass LED
will start to flash. During the bypass time gas can still be shut off, pressing the emergency shut
off button will close the gas solenoid valve.
It is recommended that the user reads this guide before using the system. Please do NOT
attempt to operate the unit until the contents of this document have been read and are
thoroughly understood.
1.1
Panel Mounting
The control panel is designed for surface mounting using 4 mounting screws. Removing the
cover on the panel gives access to the circuit board.
The PCB should be removed before drilling entry holes into the case.
Important Warning Statements
Never ignore your device when in alarm.
This device requires a continual supply of electrical power – it will not work without power.
This device should not be used to substitute proper installation, use and/or maintenance of fuel burning
appliances including appropriate ventilation and exhaust systems.
Your product should reach you in perfect condition, if you suspect it is damaged, contact your supplier.
Information on waste disposal for consumers of electrical & electronic equipment. (EEE)
When this product has reached the end of its life it must be treated as Waste Electrical & Electronics Equipment
(WEEE). Any WEEE marked products must not be mixed with general household waste, but kept separate for
the treatment, recovery and recycling of the materials used.
Please contact your supplier or local authority for details of recycling schemes in your area.
