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Accessories
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 (such
as the AMETEK CDM Meter) be employed. The submersible cable enters
the box through a 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 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 desiccant has a blue color when installed. Entering moisture becomes
trapped within the desiccant. If moisture is absorbed inside in sufficient
amounts, the color changed to pink. At that point the desiccant should be
replaced. Use Ametek part #SJB-002. The fitting at the desiccant inlet can
be removed using a small wrench and reused with the replacement part.
Figure 2-7
Desiccant #SJB-002
9
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