Atmospheric Oil Mist Detection System
TM4 / AUGUST 2018
EMAIL [email protected] WEBSITE www.oilmist.com 4 East Barnet Road, London, England, EN4 8RW TEL +44 (0)20 7328 3121
Sheet-7
The Monitor Enclosure contains:
Display Panel
Power Supply Board (PSB)
Plugs and sockets for relevant connections
Fuses
Keyed Security Switch
The Display Panel
The display panel is mounted on a hinged bezel which is secured to the enclosure
by (4) M6 Captive socket head screws. Releasing the screw allows access to the
TRIPLEX PCB and the power supply board within.
TRIPLEX PCB (Q01T04)
The back of the display panel carries the Triplex MP3 Processing Board, Binary Switch
and Flash Chip. The PCB is held to the panel with (5) M4 cheese head screws.
Power Supply Board (Q01T05) with PSU
Mounted on the board is a Power Supply Unit, fuses, TR1 transistor, alarm relays, and
termination sockets.
NOTE:
THE PLUGS ARE SHAPED AND CAN ONLY BE FITTED ONE WAY.
INCORRECT FITTING DAMAGES THE SOCKET CAUSING UNIT MALFUNCTION.
Fuses
FS1 (Q0114) is a 1.25A anti-surge fuse connected to TR1 and supplies the
Sensor. The LED continually flashes in operation.
FS2 (Q0112) is a 400mA anti-surge fuse for the 12V power supply to the fan.
The LED is permanently lit in operation.
FS3 (Q0115) is a 3.15A anti-surge fuse (in a holder) fitted to the side of the
Monitor.
Security Key Switch on the right side of the Monitor.
THE SECURITY KEY IS REQUIRED TO CHANGE SETTINGS.
HORIZONTAL = LOCKED MODE
VERTICAL = SETTING MODE
NOTE:
THERE IS NO MAINS ISOLATOR FITTED TO THE MONITOR.
QMI RECOMMEND A SECURE MAINS ISOLATOR IS FITTED TO PREVENT POWER
INTERRUPTION TO THE SYSTEM.
DESCRIPTION OF TRIPLEX MONITOR (Q01T)