22
Figure 4-5. RTD
Figure 4-6. Dual-Port Strainer
4.7 Installing the RTD
E4000 registers equipped with an RTD (gure 4-5) are supplied with a ½” NPT male threaded
thermowell. The RTD can be installed in the available dual-port strainer cover (gure 4-6). To ensure
good conductivity to the RTD, ll the thermowell with anti-freeze or mineral oil before inserting the probe.
Note: If replacing the strainer cover, this is a good time to check the strainer and clean if necessary.
4.8 Wiring the RTD
The RTD is a 4 wire shielded probe. There is a cable entry port specically for the RTD on the side of
the E4000. Run the cable through this port and connect the wires to the RTD terminals 6, 7, 8 and 12 as
shown in gure 4-13. If mounting the RTD in the strainer cover ensure enough slack to allow the strainer
cover to be removed for servicing. Secure the RTD cable with the cable gland supplied.
The lock washer supplied with the RTD cable gland can be discarded.
Figure 4-7. RTD Wiring
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