APT3500 Smart Pressure Transmitter
Operation Manual M3500-EO1G
42 DUON System Co., Ltd.
(3) Intrinsical Safety Type
[Figure 4-3 Connection between Transmitter and Power Supply]
B. Wiring Installation
(1) General-use Type and intrinsically Safe Type
Make cable wiring using metallic conduit or
Waterproof cable glands.
o. Apply a non-hardening
sealant to the terminal
box connection port
and the threads on the
flexible metal conduit
for the waterproofing.
(2) KOSHA Flameproof Type
Wire cables through a flameproof packing adapter, or using a flameproof metal conduit.
(a) Wiring cable through flameproof packing adapter for KOSHA flameproof type (see
Figure 4-4b)
◇
Use only flameproof packing adapter by KOSHA.
◇
Apply a non-hardening sealant to the terminal box connection port and to the
threads on the flameproof packing adapter for waterproofing
◇
Mounting flameproof packing adapter to the terminal box.
o. Screw the flameproof packing adapter into the terminal box until the O-ring touches
the terminal box wiring port (at least 5 full turns), and tighten the lock net.
[Figure 4-4a
Typical Wiring using
Flexible Metal Conduit]