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Manafacture: Emerson File size: 2.05 mb File name: 20001008.pdf Language of manual:

For information on I.S. applications, refer to Micro Motion approval documentation. For complete instructions about configuration, maintenance, and service, refer to the instruction manual shipped with the transmitter. WARNING Improper installation in a hazardous area can cause an explosion. For information about hazardous applications, refer to Micro Motion approval documentation, shipped with the transmitter or available from the Micro Motion web site. WARNING Hazardous voltage can cause severe injury or death. Install transmitter and complete all wiring before supplying power. CAUTION Improper installation could cause measurement error or meter failure. Follow all instructions to ensure transmitter will operate correctly. ©2005, Micro Motion, Inc. All rights reserved. Micro Motion is a registered trademark of Micro Motion, Inc. The Micro Motion and Emerson logos are trademarks of Emerson Electric Co. All other trademarks are property of their respective owners. 1 European installations This Micro Motion product complies with all applicable European directives when properly installed in accordance with the instructions in this quick reference guide. Refer to the EC declaration of conformity for directives that apply to this product. The EC declaration of conformity, with all applicable European directives, and the complete ATEX Installation Drawings and Instructions are available on the web at or through your local Micro Motion support center. Installation kit The Model 3350/3700 installation kit includes the parts shown in Figure 1. Figure 1. Field-mount installation kit 4 x Flat washer 4 x Lock washer 4 x M8x16 Bolt assemblies Mounting bracket Transmitter can be oriented on bracket. See Step 3. 2 STEP 1. Choosing a location Choose a location for the transmitter based on the requirements described below. WARNING Improper installation in a hazardous area could cause an explosion. Install the transmitter in an area that is compatible with the rating on the approvals tag. See Figure 3. Environmental requirements Install the Model 3350/3700 according to specified limits: • Ambient temperature: –4 to +140 °F (–20 to +60 °C) Dimensions See Figures 2, 3, and 4 for Model 3350/3700 dimensions. Visibility of tags To ensure personal and system safety, all tags attached to the housing must remain visible. Clean them as often as necessary. Replace tags that are damaged, missing, or worn. See Figure 3 for location of approvals tag. 3 Figure 2. Dimensions – face view 4 x 5/16-inch (9 mm) diameter Display cover can be rotated as needed Mounting bracket can be rotated as needed 2 13/16 (71) 6 (152) 4 (102) 9 3/16 (234) 3 5/8 (92) 12 (305) 11 (279) inches (mm) Figure 3. Dimensions – top view inches (mm) 5 1/16-inch (129 mm) clearance for removal of circuit boards Approvals tag 11 5/16 (288) 6 1/8 (158) 8 11/16 (221) 15 1/2 (394) 4 Figure 4. Dimensions – conduit openings view inches (mm) Case ground 5 x 3/4–14 NPT or 5 x M20 x 1.5 – 6H Mounting surface 2 x 2 13/17 (71) 1 7/8 (48) 2 x 15/16 (24) 5 3/4 (147) 7 1/2 (191) 10 3/8 (265) Cable lengths Maximum cable length from the sensor to the Model 3700 transmitter depends on the installation type and cable type: • 4-wire remote transmitter: see Figure 5, then refer to Table 1 for maximum length of the 4-wire cable. • Remote core processor with remote transmitter: see Figure 6, then refer to Table 1 for maximum length of the 4-wire cable and the 9-wire cable. If you are installing the Model 3350 applications peripheral in combination with a transmitter, the maximum cable length from the transmitter’s frequency output to the Model 3350’s frequency input is 500 feet (150 meters). 5 6 Figure 5. 4-wire remote transmitter Figure 6. Remote core processor with remote transmitter Table 1. Maximum cable lengths Cable type Wire gauge Maximum length Micro Motion 9-wire Not applicable 60 feet (20 meters) Micro Motion 4-wire Not applicable 1000 feet (300 meters) User-supplied 4-wire • Power wires (VDC) 22 AWG (0,35 mm2) 300 feet (90 meters) 20 AWG (0,5 mm2) 500 feet (150 meters) 18 AWG (0,8 mm2) 1000 feet (300 meters) • Signal wires (RS-485) 22 AWG (0,35 mm2) or larger 1000 feet (300 meters) Cable from transmitter’s FO to Model 3350’s FI(1) (1) Applies only to the Model 3300 applications peripheral when receiving frequency input from a remote Micro Motion transmitter such as an IFT9701 or RFT9739. Not applicable 500 feet (150 meters) Model 3700 4-wire cable Sensor Core processor (standard or enhanced) Sensor Junction box 9-wire cable 4-wire cable Model 3700 Core processor (standard only) 7 STEP 2. Preparing conduit openings for ATEX Zone 1 If the Model 3350/3700 carries an ATEX Zone 1 approval: 1. Remove thread protectors from conduit openings (see Figure 7). 2. Install factory-supplied cable glands or user-supplied EExe cable entry devices in conduit openings that are in use. 3. Install EExe plugs in conduit openings that are not in use. STEP 3. Orienting the Model...

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