User Manual Q&AAnswer
Jan 18, 2025 - 03:02 AM
The installation and mounting of the Dwyer F6 & F7 Series Vertical Level Switches are relatively simple. Here is a step-by-step guide:
1. Determine the desired mounting location for the level switch. It should be mounted at the maximum or minimum level point to provide accurate level indication and control.
2. If you are using the vertical models, they can be mounted internally or externally. For internal mounting, ensure that the switch is oriented within 30° of vertical. For external mounting, you can use optional fittings such as the A-347 or A-347-SS adaptors.
3. If mounting internally, ensure that the switch is securely fastened in place using the appropriate NPT mounting threads.
4. If mounting externally, use the appropriate adaptor to connect the switch to the desired location. The A-347 adaptor is for 1/8" x 1-1/4" NPT carbon steel, and the A-347-SS adaptor is for 1/8" x 1-1/4" NPT 316 SS.
5. Once the switch is mounted, connect the electrical wiring. The switches come with wire leads for easy connection. Refer to the electrical rating information in the manual to ensure compatibility with your control system or monitor.
6. Ensure that the stem length, float diameter, and float height are suitable for your application. Refer to the dimensions provided in the manual to confirm.
7. The switches are shipped with normally open switch contacts, which will close as the float rises toward the mounting threads. This means that the switch will be activated when the liquid level reaches a certain point.
8. Make sure to consider the specific gravity (S.G.) of the liquid being measured, as the actuation point may vary with changes in S.G.
For more detailed instructions and information, please refer to the Dwyer F6 & F7 Series Vertical Level Switches Instructions manual provided by Dwyer Instruments, Inc.
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