Emerson Edition 4 Water Heater User Manual


 
Rosemount Tank Radar REX
Chapter 11 Electrical Installation of the
11-6
Installation Manual
308014EN, Edition 4
May 2013
11.5.1 Cable Outputs
The transmitter has two cable outputs W11 and W12. Both outputs have
3/4 inch female NPT cable entries. The W12 cable outputs has different
wiring depending on the installed option. The wires are clearly marked
with numbers and the designation of the wires is shown on a printed
plate at the cable output.
Table 11-4. W12 wiring.
Integrated Junction Box
Cable outputs for intrinsic cabling:
One M25 and two M20, or
one 1/2” NPT and two 3/4” NPT.
Cable outputs for non-intrinsic cabling:
One M20 and two M25, or
one 3/4” NPT and two 1/2” NPT.
Figure 11-3. Cable outputs on the Integrated Junction Box.
Option W12 connection
DAU/RDU40 and Analog Input 8 wire lead seal
DAU/RDU40, Analog Input and
Temperature Sensors
15 wire lead seal
M25, or
NPT 3/4 "
M25, or
NPT 3/4 "
M20, or
NPT 1/2"
M20, or
NPT 1/2"
M20, or
NPT 1/2"
M25, or
NPT 3/4 "
TH3900_JBi_CableConnection.eps