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OVERVIEW & INSTALLATION
USAGE
The HVR100 Series is a submersible wastewater grinder pump
designed specifically for individual residential applications. The
pumps are to be used for domestic sewage only and are not to
be used for pumping commercial or industrial sewage such as
from motels, schools, apartments, factories, etc. This pump is
not for use in hazardous locations!
INSPECTING PUMP
Before making any piping or electrical connections, check
the pump for shipping damage or cracks. Insert allen key into
cutter retaining bolt and turn clockwise to ensure cutters and
impellers do not rub. Do not turn cutter with fingers.
POWER SUPPLY
The HVR100 Series grinder pump should be connected to a 115 or
230 volt, single-phase, 60 Hz power source. The pump will draw
approximately 7.4, 5.3 amperes at minimum flow and 12.5, 7.6
full load amperes. The pump must be connected to a grounded
power socket. DO NOT cut off the ground pin from the power
cord plug.
POWER CORD
A 20 foot power cord is attached to the grinder pump via two
insulated quick-disconnect terminals and a ground terminal. To
replace a cord, begin by slightly loosening cord nut in the cord
cap plate. Remove cord cap plate from the motor housing and
carefully pull the power leads up out of the motor housing and
disconnect them from the motor leads. Disconnect the ground
wire from the cap plate and continue to completely loosen the
cord nut from the cap.
To install new cord, feed terminals through cord cap plate and
reconnect power terminals. Reconnect ground terminal to the
bottom side of the cap plate. Carefully feed wires back into
the motor housing and fasten the cord cap plate to the motor
housing. Lastly, tighten the cord nut into the cap plate. Tighten
firm, do not overtighten.
The power cord should be replaced if it has been damaged in any
way or the cord jacket has become brittle.
MOTOR TYPE
The HVR100 Series grinder pump contains a 3/4 frame, 1 hp,
single-phase, 60 Hz, 3450 rpm, capacitor start, capacitor run
motor with Class F insulation and built-in, on-winding overload
protection. Motor has upper and lower ball bearings and is oil-
cooled and lubricated.
4
The HVR 100 Series grinder pump should never
be worked on without first disconnecting the power cord.
OIL TYPE
The motor housing contains dielectric transformer oil to provide
good heat transfer and lubrication of ball bearings; no other
lubrication is required. Oil level may be checked by removing the
oil plug from the top of the motor housing. The oil level should
be filled to the bottom of the end shield. Do not overfill with oil.
Only dielectric transformer oil obtained from a Hydromatic®
authorized service center should be used.
PUMP SWITCH INSTALLATION INSTRUCTIONS
NOTE: In accordance with third party approval, pump must be
submerged a minimum of 8-5/8" from bottom of the legs on
volute case during operation.
Mounting the Switch
1.
Determine pumping range for installation. Do not tether
less than 3-1/2" from pipe.
2.
Tighten strap around discharge pipe keeping switch cable
between strap and pipe to prevent slippage.
3.
Space small ties at least 1" apart. To readjust ties, press
small tie tabs down.
4.
To lock releasable tab, run remaining strap between tab and
head. Tuck strap back through head.
Piggyback Plug Install
Electrical outlet must not be located in pump chamber.
Electrical outlet voltage, piggyback plug voltage, and pump
voltage must match.
1.
Follow steps 1 through 4 of "Mounting the Switch."
2.
Insert switch's piggyback plug into outlet.
3.
Plug pump into piggyback plug.
4.
Check installation. Allow system to cycle to ensure proper
operation.
HYD01-1111 (12-01-20)
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