Electrical Connection - Endress+Hauser Liquiphant FTL51B Brief Operating Instructions

Electrical connection

4. Turn the display module to the desired position: maximum 4 × 90 ° in each direction.
Insert the display module into the desired position until it clicks into place. Screw the
cover tightly back onto the housing. If fitted: tighten the screw of the cover lock using
the Allen key 0.7 Nm (0.52 lbf ft) ±0.2 Nm (±0.15 lbf ft).
In the case of a dual-compartment housing, the display can be mounted in the
electronics compartment as well as in the connection compartment.
6 Electrical connection
6.1 Required tool
• Screwdriver for electrical connection
• Allen key for screw of cover lock
6.2 Connecting requirements
6.2.1 Cover with securing screw
The cover is locked by a securing screw in devices for use in hazardous areas with certain
explosion protection.
NOTICE
If the securing screw is not positioned correctly, the cover cannot provide secure sealing.
‣
Open the cover: slacken the screw of the cover lock with a maximum of 2 turns so that the
screw does not fall out. Fit the cover and check the cover seal.
‣
Close the cover: screw the cover securely onto the housing, making sure that the securing
screw is positioned correctly. There should not be any gap between the cover and housing.
 14 Cover with securing screw
16
Liquiphant FTL51B HART
4
0.7 Nm
2 x
A0039520
Endress+Hauser