4
Pump
Information
The electrical equipment includes
a main circuit breaker for each
pump, a magnetic starter with
overload protection for each
pump, an H-O-A switch and run
light for each pump, an electric
alternator and a transformer to
provide 115 volts for control
circuit and alarms.
Overload Heaters:
If the Hydromatic electrical panel
is not used, starters with 3 leg
overload protection must be
supplied. On 3 phase pumps the
heaters must be sized in
accordance with the nameplate
amps on the motor housing. The
amp draw on these submersible
motors is slightly higher than a
corresponding horsepower surface
motor, so heaters must be sized by
the nameplate rating.
IMPORTANT: If other than
Hydromatic starters are used be
sure the heat sensor wires are
connected in series with the
starter coil circuit. Typical
wiring diagrams are included.
HYDR-O-RAIL:
If the pump or pumps are to be
used with the HYDR-O-RAIL
system, the pumps will be
equipped with guide brackets and
hydraulic sealing flange.
manually. Impeller may be slightly
stuck due to factory test water
so it must be broken loose with
small bar or screwdriver in edge
of vanes. The impeller should
turn freely.
Clean all trash and sticks from
sump and connect pump to piping.
A check valve must be installed
on each pump. A gate or plug
valve in each pump discharge line
is also recommended. This valve
should be installed on the
discharge side of the check valve
so if necessary to service the
check valve, the line pressure can
be cut off. Single pump systems
are sometimes installed without a
check valve where it is desirable
to self-drain the discharge line to
prevent freezing. This can be done
only with short discharge lines,
otherwise water will return to the
sump and cause short cycling of
the pump.
NEMA
4 Junction Box
(Optional):
If electrical control panel is to be
set remote from the sump pump,
a NEMA 4 junction box should be
used to make power and control
connections. The Hydromatic
NEMA 4 junction box is provided
with compression connectors for
sealing all wires. No sealing
compound is needed to make
connections waterproof.
Wiring diagrams are provided
with panel for making connections.
An extra set of diagrams is included
so that one set can be used in the
sump when making connections.
The size wire to use from panel to
sump depends on motor size and
distance in feet.
The table on page 3 can be used as
a guide for wire size.
Be sure each wire is checked out
so that wrong connections will not
be made.
Pump
Installation
460 VOLTS
GREEN
L3
L2
L1
3
2
1
9
8
7
6
5
4
Fig. 1
Fig. 2
Installing Pump in Sump:
Before installing pump in sump,
lay it on its side and turn impeller
Содержание Hydromatic S4LRC-3450 RPM
Страница 11: ...11 Wiring Diagrams...