Page 3 - Chapter 1; Installation Manual
Contents Chapter 1 Planning ...........................................................................................................................1 1.1 Installation checklist ...........................................................................................................................
Page 4 - ii
Page 5 - Topics covered in this chapter:; Installation checklist; and; Maximum lengths for Micro Motion cable; All other MVD transmitters; Maximum lengths for user-supplied 4-wire cable
1 Planning Topics covered in this chapter: • Installation checklist • Best practices • Environmental limits 1.1 Installation checklist □ Make sure that the hazardous area specified on the sensor approval tag is suitablefor the environment in which the sensor is installed. □ Verify that the local amb...
Page 6 - Recommended sensor orientation; Liquids; Best practices; Keep the sensor tubes full of process fluid.; Environmental limits; See; Micro Motion F-Series
□ For best performance, follow Micro Motion recommendations for sensor orientation(see Table 1-3 ). The sensor will work in any orientation as long as the flow tubes remain full of process fluid. Recommended sensor orientation Table 1-3: Liquids Gases Slurries and self-draining applica-tions □ Insta...
Page 7 - Environmental limits for F-Series sensors; Ambient temperature of core processor or
Environmental limits for F-Series sensors Figure 1-1: Maximum process temperature in °F (°C) 176 (80) 140 (60) 104 (40) 68 (20) 32 (0) –4 (–20) –40 (–40) –76 (–60) –112 (–80) –148 (–100) –148 (–100) –76 (–60) –4 (–20) 140 (60) 212 (100) 284 (140) 356 (180) 140 (60) 81 (27) Ambient temperature of cor...
Page 8 - Mount the sensor; Tip; Procedure; Mount the sensor in the pipeline (see; Mounting the sensor; Notes
2 Mounting Topics covered in this chapter: • Mount the sensor • Attach extended electronics 2.1 Mount the sensor Use your common practices to minimize torque and bending load on process connections. Tip To reduce the risk of condensation or excessive moisture, the conduit opening should not pointupw...
Page 9 - Attach extended electronics; Note
CAUTION! Do not lift the sensor by the electronics or purge connections. Lifting the sensor by theelectronics or purge connections can damage the device. 2.2 Attach extended electronics If you ordered a sensor with extended electronics, you will need to install the extenderonto the sensor case. Note...
Page 10 - Feedthrough and extender components; Remove and recycle the plastic plug from the extender.
Feedthrough and extender components Figure 2-2: A B C D E F G H A. Transmitter or core processorB. ExtenderC. Plastic plugD. Plastic capE. O-ringF. Clamping ringG. Clamping screwH. Feedthrough 2. Loosen the clamping screw and remove the clamping ring. Leave the O-ring in placeon the feedthrough. 3. ...
Page 11 - Options for wiring; Wiring procedures by electronics option; Electronics option
3 Wiring Topics covered in this chapter: • Options for wiring • Connect 4-wire cable • Connect 9-wire cable 3.1 Options for wiring The wiring procedure you follow depends on which electronics option you have. See Table 3-1 for the wiring options for each sensor electronics option. Wiring procedures ...
Page 12 - Step 1: Cable preparation
Step 1: Cable preparation Cable layout Run conduit to sensor Metal conduit Wrap the drain wires twice around the shield and cut off the excess drain wires. Micro Motion cable gland Pass the wires through the gland Cable glands Remove the core processor cover Go to Step 2 Go to Step 3 Gland supplier ...
Page 13 - Step 2: Shield termination
Step 2: Shield termination Assemble the Gland1. Fold the shield or braid back over the clamping insert and 1/8 inch (3 mm) past the O-ring. 2. Install the gland body into the conduit opening on the core processor housing.3. Insert the wires through gland body and tighten the gland nut onto the gland...
Page 14 - Step 3: Terminal connections; Wire Flowmeter Cable Preparation and Installation Guide
Step 3: Terminal connections Connect the wires to the transmitter terminals (see the transmitter manual) Reinstall and tighten the core processor cover Core processor type From Step 1 or 2 Connect the wires to the core processor terminals:Red wire > Terminal 1 (Power supply +) Black wire > Ter...
Page 15 - Tighten the screws to hold the wires in place.
3. Match the wires color for color. For wiring at the transmitter or remote coreprocessor, refer to the transmitter documentation. 4. Tighten the screws to hold the wires in place. 5. Ensure integrity of gaskets, then tightly close and seal the junction box cover and allhousing covers on the transmi...
Page 16 - Prerequisites; Keep all ground leads as short as possible, less than 1; Check the joints in the pipeline.
4 Grounding The sensor must be grounded according to the standards that are applicable at the site.The customer is responsible for knowing and complying with all applicable standards. Prerequisites Micro Motion suggests the following guides for grounding practices: • In Europe, IEC 79-14 is applicab...
Page 17 - Purge the sensor case; Teflon
5 Supplementary information Topics covered in this chapter: • Purge the sensor case • Pressure ratings for EN-1092 flanges 5.1 Purge the sensor case If the sensor has purge fittings, they should remain sealed at all times. After a purge plughas been removed, the sensor case should be purged with arg...
Page 18 - Purge time; Sensor model; Pressure ratings for EN-1092 flanges
4. Connect the supply of nitrogen or argon gas to the inlet purge connection or openinlet purge line. Leave the outlet connection open. • Exercise caution to avoid introducing dirt, moisture, rust, or other contaminantsinto the sensor case. • If the purge gas is heavier than air (such as argon), loc...