APT3200
Smart Pressure Transmitter
Operation Manual M3200-E01G
26
Duon System Co.,Ltd.
(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 4-4b
Typical Wiring using Flameproof Packing Adapter]