<Start-up and Safety Precautions>
13
IM 12F05B10-01EN 2nd Edition : June 01, 2021-00
WARNING
● You must install external power supply switch or circuit breaker for power supply.
● The external power supply switch or a circuit breaker must comply with a current rating of
5Aor IEC60947-1 or IEC60947-3
● Yokogawa recommend installing the external power supply switch, circuit breaker and
FC800D all in the same location.
● Install the external power supply switch or circuit breaker to the place where operators
access easily. To alert users, put a label on the external power switch.
● Fix securely onto constructions or walls all power lines including wire cables of power supply
by using stanchion, cable rack, conduit or vinyl band.
Unplugged cables are dangerous and may cause an electric shock.
CAUTION
When you open the front cover on the detector and Relay Box, make sure the screws are
completely out of the screw holes, and then open the front coverl slowly in order not to damage
the threaded parts on the housing. If the threaded parts are damaged and the screws cannot be
tightened, the waterproof performance will deteriorate.
l
Wiring of FC800D
WARNING
Never let the power cable touch SENCOM cable, resulting in failure to comply with safety
requirements.
WARNING
●
Use wiring cables with heat resistance above 75 °C, waterproof rating IP65 or higher.
●
Tightening torque to the four screws of Smart Box cover is 1.4 N·m.
● For power supply, wire cables with a flammability rating of UL 2556 VW-1 or equivalent
