Pentair F783E, Руководство по эксплуатации

Страница: 26 / 33

F783E Ex ‐ ia
Pg 26
00 ‐ ISN ‐ 203_Rev B
29/01/2021
If required clean all sealing faces and check for damage to threads and sealing surfaces.

Make sure that the seal face is clean and not damaged when the cap is fi ed as this might reduce the IP protec on!

Ensure all wires are in the appropriate wire restraints so none can be caught in the threads and poten ally damaged.

Ensure no cables are interfering with the relief valve mechanism in such a manner as to allow the ingress of water or
jamming the relief valve which could result in a build
‐ up of pressing in the enclosure.

Lightly lubricate the O ‐ ring sealing face on the cap and the cap thread with a silicone ‐ based lube such as ROCOL
Sapphire Silicone or Klüber Paraliq GTE 703

Place the cap over the interior components, ensuring no wires are caught in the thread.

Twist the cap in an an ‐ clockwise direc on un l hearing a click, this will indicate the thread start, now rotate in a
clockwise direc on un l the cap is securely ghtened. There should be minimal O ‐ ring showing at the cap/base
interface, and the relief valve should be seated properly on the top of the cap. If the relief valve is raised, remove the
cap and check the relief valve is opera ng properly and no internal components are interfering with the opera on of
the relief valve mechanism. Re
fi t the cap.
For installa on in Ex. situa on: refer to special condi ons in Sec on 5 of this manual. Use only Ex. cer fi ed product