Discharge Piping; Vent Piping; Electrical Connections - Little Giant WRS-5 Owner's Manual
Wastewater removal system kits
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Also See for WRS-5:
- Owner's manual (25 pages) ,
- Instruction sheet (6 pages) ,
- Manual (8 pages)
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INSTALLATION
Discharge Piping
Discharge Piping
1. Plumb discharge to basin cover fitting using 2-inch threaded pipe.
2. Use a union and a swing check valve no more than 3 inches (7.6 cm) from top of basin cover.
3. Install check valve in proper flow direction.
• No water will flow out of unit if check valve is installed backwards.
4. Seal discharge piping with pipe joint compound.
5. Verify lift height of pump is not exceeded.
6. Hand tighten plastic fittings.
NOTE: A 2 MNPT x 1½ FNPT reducer bushing is provided if a 1½-inch discharge is required.
Vent Piping
The basin must be vented in accordance with state and local codes.
IMPORTANT: Do not use a mechanical vent or restrict the vent because it will cause improper
switch operation.
1. Plumb vent to fitting in basin cover using 2-inch threaded pipe.
2. Hand tighten plastic fittings.
3. Use pipe joint compound.
NOTE: A 2 MNPT x 1½-inch slip pipe adapter is provided if a 1½-inch vent is required.
Electrical Connections
Risk of severe injury or death by electrical shock.
• Connect to a circuit equipped with a ground fault circuit interrupter (GFCI) if required by code.
Connect the power cord to a constant source of power matching the pump nameplate voltage.
• Connect the pump to its own circuit, with no other electric receptacles or equipment in the cir-
cuit.
• Ensure that the fuses or circuit breaker are of ample capacity in the electrical circuit.
• If installed in basement, locate plug connection four feet or more above floor, especially if base-
ment floods.
Some pumps are supplied with a 3-prong electrical plug.
• Plug into a grounded receptacle with vent tube pointed down.
• Ensure vent tube remains unobstructed for proper pump operation.
• Secure power cord to piping with ties or tape.
IMPORTANT: If the plug is cut or the cord is shortened, then the warranty will be void.
Wires are color coded as follows:
Color
Green/Yellow
Brown
Blue/White
Brown/Black
4
Wire Type
Ground
Line
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