Installation / Electrical
3
INSTALLATION
NOTICE: Install pump on a hard, level surface (cement, asphalt, etc.). Never place
pump directly on earth, clay or gravel surfaces. Basin must be at least 18” (45.7 cm)
in diameter and 30” (76.2 cm) deep.
Piping – Sewage Applications (2" or Less Solids)
Piping must not be smaller than pump discharge.
When installed in a sewage system, pipe must be capable of handling semi-solids of
at least 2” (5.1 cm) diameter.
The rate of flow in the discharge pipe must keep any solids present in suspension in
the fluid. To meet minimum flow requirements (.6m (2 feet) per second in discharge
line), size pipe as follows:
A Pipe Size Of:
Will Handle a Flow Rate Of:
5.1 cm (2”)
79 LPM (21 GPM)
6.3 cm (2-1/2”)
113 LPM (30 GPM)
7.6 cm (3”)
181 LPM (48 GPM)
Use a 5.1 cm (2”) swing check valve in pump discharge to prevent backflow of liquid
into sump basin. Check valve should be a free flow valve that will easily pass solids.
NOTICE: For best performance of check valve when handling solids, do not install it
with discharge angled more than 45° above the horizontal. Do not install check valve
in a vertical position as solids may settle in valve and prevent opening on startup.
Drill a 4.7mm (3/16”) hole in discharge pipe about 2.5 - 5.1cm (1"-2”) above pump
discharge connection (but below check valve) to prevent airlocking the pump.
ELECTRICAL
Hazardous voltage. Can shock, burn, or cause death. When installing,
operating, or servicing this pump, follow safety instructions listed below.
Step 1. DO NOT splice the electrical power cord.
Step 2. DO NOT allow electrical cord plug to be submerged.
Step 3. DO NOT use extension cords. They are a fire hazard and can reduce voltage
sufficiently to prevent pumping and/or damage motor.
Step 4. DO NOT handle or service pump while it is connected to power supply.
Connect or wire pump to its own circuit with no other outlets or equipment in the
circuit. Size fuses or circuit breakers according to chart below.
Step 5. DO NOT operate pump unless it is properly grounded. Wire pump directly
into grounded terminal block in automatic float or pump controller box.
Power cord on 1-phase units is a 3-wire conductor with 3-prong grounding-
type plug. Do not modify cord or plug. When using with plug-in receptacle,
plug pump into a 3-wire, grounded, grounding-type receptacle only. Connect
pump according to all applicable codes.
For automatic operation, plug or wire pump into an automatic float switch or pump
controller. For continuous operation, plug directly into an electrical outlet or wire
directly into switch box. Connect pump to its own circuit with nothing else on the
circuit. See Specifications Chart for fuse or circuit breaker sizes.
Models with an automatic float switch are factory set with a 4’’ tether length. This
tether length can be adjusted to accommodate a variety of pumping ranges (See per-
formance graph). The installer must ensure that the switch does not become obstruct-
ed and that the range is set so the liquid level remains a minimum of 2’’ above pump
suction at the lowest level, and below the basin inlet pipe at the highest level.
