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F10-1D22-BKK Datasheet(PDF) 9 Page - Magnetrol International, Inc. |
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F10-1D22-BKK Datasheet(HTML) 9 Page - Magnetrol International, Inc. |
9 / 28 page 47-602 F10 and F50 Flow Switches 9 1. On high temperature applications, above +250° F (+121° C), high temperature wire should be used between the control and first junction box located in a cooler area. 2. Remove switch housing to gain access to switch mechanism. NOTE: For supply connections in installations with ambient tempera- ture up to +70° C, use wire with a minimum rating of +75° C as required by the process conditions,. Installations with ambient temperatures up to +80° C require wire with a mini- mum rating of +85° C as required by the process conditions. Use a minimum of 14 AWG wire for power and ground field wires. 3. Pull in supply wires (conductors), wrap them around enclosing tube beneath the baffle plate, and connect to proper terminals. Ensure excess wire does not interfere with actuation of the switch, and that adequate clearance exists for replacement of switch housing cover. 4. Connect power supply to control and test switch actuation by varying flow rate within pipeline. NOTE: If switch mechanism fails to function properly, check vertical alignment of control housing. Refer to installation bulletin of mechanism furnished, as listed in the switch mechanism chart on page 21. 5. Replace switch housing cover. NOTE: NEMA 4X/7/9 housings must be sealed at the conduit outlet with suitable compound to prevent entrance of air. Check cover to base fit to be certain gasketed joint is tight. A positive seal is necessary to prevent infiltration of moisture laden air or corrosive gases into switch housing. 6. Place flow switch into service. 2.4.1 Model F10 Switch Actuation Adjustment The F10 flow switch is factory set to actuate at the mini- mum flow rate. Actuation flow rate can be increased while the unit is in service, under pressure, by removing the 1⁄4" NPT plug to gain access to the O-ring sealed adjusting screw. Each clockwise turn of the adjusting screw increases the actuating flow rate approximately 10% of the range of the specific flow vane being used. See pages 16–18 for flow rate adjustability. Caution: The safety retainer above the adjusting screw is placed there to help prevent the accidental removal of the adjust- ing screw. Do not defeat its purpose by forcefully backing out the adjustment screw. Be sure to replace the 1⁄4" NPT plug and tighten it firmly. Set Screw Screw Screw Figure 10 |
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