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IPressure Sensor InstallaVon Vapor trent Stack Installation Step facing down. Locate the pressure sensor in the clamp, but leave the conduit clamp screw somewhat loose for ' later sensor height adjustment. 5. Install two169CA-4-4 male elbows (item 7 in Table 3) into each end of the 3-way calibration valve (item 5 in Table 3) as shown (see Figure 7). 6. Install one 68CA-4-4 male connector (item 1 in Table 3) into the center port of the 3-way calibration valve, and then directly attach it to the vapor pressure sensor inlet port (center) (see Figure 7). 7. Screw the 59CA-4 plug (item 2 in Table 3) onto the left port's male elbow (see Figure 7). ' 8. Install the two plastic enclosure mounting plates to the back of the enclosure. Use the four short flat-head screws included in the enclosure hardware bag. 9. Install the composite panel into the enclosure (item 5 in Table 4) such that the sensor cable outlet is facing up ' and the pressure sensing port tube in the base of the sensor is facing down.The top symbol on the panel should be facing upward. Use the four short screws included in the enclosure hardware bag. 10. Make sure that the white flanged porous vent (factory installed - item 2 in Table 4) is still securely installed ' into the hole in the bottom of the enclosure (see Figure 7). 11. Insert the S-bend 1/4" OD copper tube (item 10 in Table 3) into the right-side male elbow of the 3-way calibration valve, but do not fully tighten the compression nut (see Figure 7). t 12. Locate the 62CABH-4 bulkhead union (item 8 in Table 3) and remove the compression nut and the adjustable nut then place a large washer (item 9 in Table 3) against the fixed, integral body nut. Slide the compression nut that was removed onto the bottom portion of the S-bend tube. 13. Partially insert the bulkhead union into the bottom center hole in the enclosure. Slide a large washer over the body, and thread the adjustable nut back onto the body. ' 14. Insert the bottom portion of the S-bend tube into the bulkhead union and fully tighten the bulkhead union adjustable nut against the large washer and enclosure wall. Adjust the pressure sensor vertically in the shim/ conduit clamp to make sure the S-bend tube is fully inserted into the union and male elbow. 15. Fully tighten the compression nuts to connect the S-bend tube to the union and to the male elbow. Tighten ' the sensor conduit clamp screw to secure the sensor in its final vertical position (see Figure 7). 16. Get the contents of the pressure sensor drying tube kit (Table 2).Thread a tie wrap (item 3)through the slots in each of the self-adhesive mounts (item 4). Place the top mount against the large cap on one end of the t tube and tighten the tie wrap until it is against the tube cap but you can still rotate the tube. Place the second mount against the other end cap of the tube, again pulling the tie wrap through the mount until it is against the tube cap but you can still rotate the tube. ' Remove the two soft plastic seals from each end port of the drying tube. Get the Tygon tubing (item 2) from the kit and attach one end of the tubing to one end of the drying tube. Slide the tubing onto the drying tube as far as you can (snug). Referring to Figure 7, position the drying tube vertically in the enclosure with the ' open port of the tube up, and estimate the length needed to loop from the bottom of the drying tube up to the vent port (off center) of the Vapor Pressure Sensor. Cut the Tygon tubing at the estimated length (approximately a foot or so). Remove the paper cover from the self-adhesive base of the two tie wrap mounts and stick the drying tube to the inside of the enclosure as shown in Figure 7. Pull each of the tie wraps snug ' and cut off the excess. Attach the other end of the Tygon tubing to the vent port (off center) of the Vapor Pressure Sensor. NOTE: the upper port of the drying tube must remain open and be oriented up as shown in Figure 7. 17. Mount the plastic enclosure onto the vapor vent stack or suitable rigid structure ABOVE the vapor vent stack port using two conduit clamps (for 2" or 3" pipe), bolts, nuts, and washers included, or use other customer supplied suitable mounting hardware (Example: Unistrut®). Leave the mounting hardware somewhat looso Earn ' later enclosure height adjustment (see Figure 6). "'" F�N `— J 18. Measure, fabricate, and install customer supplied pipe and pipe fittings between''ahe.uapor'vent stack port n J and within a few inches of the bulkhead union in the bottom of the enclosure. JA'N iE. 13 ._i v7