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Installation
2.6
Cable Termination (Continued)
solder blockers are used to restrict the moisture path. If a shorter length of
cable is required, it is highly recommended that the cable be coiled instead
of being cut.
The assembly is shipped complete to prevent moisture from entering during
shipment and storage and to show the user how it will ultimately be connected.
To install the cable termination, it is recommended that a NEMA box be
employed. The submersible cable enters the box through an included strain
relief (cable is a 0.24" diameter). The red wire is the V+ lead and the black is
the V- lead in a 4/20 mA loop. The green wire is a safety ground and should be
tied to earth ground. The shield wire connection to earth ground is optional
depending on EMI conditions in the area. The shield wire is terminated to
the case internally.
The tubing should be connected to the desiccant canister though the use of
the included fittings. There is one fitting at the cable end and another at the
canister inlet. The tubing is removable from the fittings for ease of connection
and replacement of the canister. Remove the yellow plug from the canister
outlet prior to use.
The canister has a blue color when installed. Entering moisture becomes
trapped within the desiccant canister. If moisture is absorbed inside in
sufficient amounts, the color changed to pink. At that point the canister
should be replaced. Use Ametek part #K234436 for full original assembly
with tubing. The fitting and tubing at the canister inlet can be removed using
a small wrench and reused with the replacement cartridge only part
#K234446.
Complete assembly
with tubing
part #K234436.
Replacement
cartridge only
part #K234446
Figure 2-7
Desiccant Canister
9
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