Yokogawa ADMAG CA - Manual (Page 27)

4.INSTALLATION
I M 1E8B0-01E
4-18
Drain valve
Figure 4.4.3 Conduit Piping
(3) Conduit Wiring
In case of conduit wiring, please use the
waterproof gland to prevent water flowing
through the conduit pipe into the wiring
connection.
Please slope the conduit pipe down, and
install a drain valve at the low end of the
vertical pipe.
Please open the drain valve regularly.