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MODEL 385+ pH/ORP
2.2.2 Submersion/Insertion Option. Code Option -03
& -04). Figure 2-3 and Figure 2-4. The Model 385+
Sensor may be installed through a weldalet or a pipe
tee or "Y" when used with a process connector (P/N
23166-00-01). For submersion service, a process con-
nector (P/N 23166-00-01 or 9510066) may be used
with a water tight 1 in. schedule 80 CPVC or PVDF
standpipe conduit. Refer to Figure 2-5. Tapered
threads in plastic tend to loosen after installation. It is
therefore recommended that TEFLON tape be used on
the threads and that the tightness of the connection be
checked frequently to assure that no loosening has
occurred. The sensor should be installed within 80° of
vertical, with the electrode facing down.
4
FIGURE 2-1. Typical Mounting Details-Retraction Version
2.3 ELECTRICAL INSTALLATION. Make electrical
connections as shown on Figures 2-6 through 2-14
using the following guidelines:
1. Pay particular attention to the analyzer or transmit-
ter model number when following details on the
wiring diagrams to ensure that the connections are
made to the proper terminals.
2. Use Rosemount custom cable PN 9200273.
3. The maximum distance from the sensor to the ana-
lyzer is 15 ft without an integral preamplifier.
4. Signal cable should be run in a dedicated conduit
and should be kept away from AC power lines.
SECTION 2.0
INSTALLATION
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