Installation
TYPICAL DEWATERING INSTALLATION (3/4 in. or less Solids)
NOTICE: Install pump on a hard, level surface (cement, asphalt, etc.). Never place pump directly on earth, clay or gravel surfaces.
1. Piping must be 1-1/2 in. minimum to carry volume of pump discharge. Check local codes to determine if a check valve is required in
your system. In cold climates, check valves are not used to prevent effluent from freezing in piping.
If using as a sump pump, a check valve is recommended.
2. Use a 2 in. (5.1 cm) swing check valve in the pump discharge to prevent backflow of liquid into the sump basin. The check valve should
be a free flow valve that will easily pass solids.
NOTICE: For best performance of the check valve when handling solids, do not install it with the discharge angled more than 45° above the
horizontal. Do not install the check valve in a vertical position as solids may settle in the valve and prevent opening on start up.
3. Drill a 1/8 in. (3.2 mm) hole in discharge pipe about 1 in.-2 in. (2.5 - 5.1 cm) above pump discharge connection (but below the check
valve) to prevent air locking the pump.
TYPICAL EFFLUENT INSTALLATION
1. Electrical wiring and protection must be in accordance with National Electrical Code and any other applicable state and local electrical
requirement.
2. Install proper unicheck (combination union and check valve), preferably just above the basin to allow easy removal of the pump for
cleaning or repair. On effluent, if high head or below cover installation is required use 1-1/2 in. minimum pipe. See (4) below.
3. All installations require a basin cover to prevent debris from falling into the basin and to prevent accidental injury.
4. When a unicheck is installed, drill a 1/8 in. (3.2 mm) dia. hole in the discharge pipe even with the top of the pump.
NOTE:
THE HOLE MUST ALSO BE BELOW THE BASIN COVER AND CLEANED PERIODICALLY. Water stream will be visible from this hole during
pump run periods.
5. Securely tape or clamp the power cord to the discharge pipe, clear of the float mechanism(s).
6. Use full-size discharge pipe.
7. The basin must be in accordance with applicable codes and specifications.
8. The pump must be level and float mechanism(s) clear of the sides of the basin before starting the pump.
9. The basin must be clean and free of debris after installation.
10. The installer must supply the gate valve or ball valve and be installed according to any and all codes.
11. Make sure nothing interferes with switch operation. This pump is preassembled with a piggyback tethered float switch, please don't
change the preassembled switch location.
12. Install the pump stand under the pump to provide a settling basin.
1/8 in. hole
5
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