14
48-635 E3 Modulevel
®
Displacer Level Transmitter
NOTE: When operated from a 24 VDC source, the maximum allow-
able loop resistance is 620 ohms for E3 MODULEVEL units.
When using HART, a loop resistance of 250 to 450 ohms must
be placed in series with the E3 MODULEVEL. See Figure 16
on page 39.
Caution:
Instrument and conduit junction box covers must be in
place and tightly sealed at all times during operation.
To install Explosion Proof wiring – Remote mount:
1. Install Explosion Proof conduit from the remote mounted
E3 transmitter head to the integrally mounted terminal
housing at the LVDT. An Explosion Proof conduit fitting
(EY seal) is required within 18" of the remote mounted
transmitter head wiring housing (see figure 11). Follow
steps 2 through 7 of Remote Mount wiring procedure on
page 12.
Integral
Terminal Board
Remote
Terminal Board
Integral Wiring &
LVDT Housings
Remote Wiring &
Transmitter Housings
White
Black
Green
Black
Red
Black
White
Black
Green
Black
Red
Black
Conduit seal
within 18" of
this housing
entry for
explosion proof
installation
Figure 11
Remote Mount Wiring
Connections
Figure 12
Integral & Remote Terminal Boards
1 2 3 4 5 6
White
Black
Green
Black
Red
Black
