User Manual Q&AAnswer
Mar 26, 2025 - 02:57 AM
To install the Flotec FPZS25T Submersible Plastic Sump Pump, follow these steps:
1. Choose a suitable location for the sump pit. The pit should have a minimum diameter of 10 inches for models with vertical switches and 14 inches for models with tethered float switches. The sump depth should be 18 inches for tethered models and 13 inches for vertically switched models. Construct the sump pit using approved materials and according to local codes.
2. Install the pump in the sump pit, ensuring that the switch operating mechanism has maximum clearance.
3. The pump should not be installed on clay, earth, or sand surfaces. Clean the sump pit of small stones and gravel that could clog the pump. Keep the pump inlet screen clear.
4. Install the discharge plumbing using rigid plastic pipe. Wrap the threads with PTFE pipe thread sealant tape and hand-tighten the pipe into the pump plus 1-1/2 turns.
5. To reduce motor noise and vibrations, you can connect a short length of rubber hose (1-7/8" I.D.) into the discharge line near the pump using suitable clamps.
6. Install an in-line check valve or an in-pump check valve to prevent flow backward through the pump when it shuts off. If your check valve does not have an air bleed hole, drill a 1/8" hole in the discharge pipe just above where it screws into the pump discharge. Be sure the hole is below the waterline and the check valve to prevent air locks.
7. Connect the pump to a power supply. The pump is designed for 115V, 60Hz operation and requires a minimum 15 amp individual branch circuit. Both the pump and switch are supplied with 3-wire cord sets with grounding-type plugs. Insert the switch plug directly into an outlet and insert the pump plug into the opposite end of the switch plug.
8. After piping, check valve, and float switch have been installed, the unit is ready for operation. Fill the sump with water and observe the pump operation through one complete cycle to ensure proper functioning.
Please refer to the owner's manual for more detailed instructions and safety precautions.
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