HOMA TP Series - Manual (Page 5)

TP Series
Installation, Operation & Maintenance Manual
Install lifting chain or cable of adequate size
and load rating of the unit. Allow for proper
length to permit proper lowering and raising of
the pump. Properly position power cables and
lifting device over the load and keep them from
entering the pump suction.
Prior To Installation:
Before lowering the pump into position check the
direction of rotation. The impeller will rotate
clockwise as viewed from the top. Therefore the
pump will try to move in the counter clockwise
direction as the impeller rotates (known as start
reaction). "Bump the Motor" by closing the pump
circuit breaker and push the pump start button and
look for the direction of movement specified above.
For three phase motors, if the starting jerk is in the
clockwise direction, open the circuit breaker to
isolate power and interchange two of the three
phase leads inside the control panel.
Make sure to use lifting equipment that has
adequate capacity for the pump that will be
handled. Before installing pump, check to be
certain the profile seal is properly positioned in the
guide claw flange. Position pump so the guide
ears on the discharge flange engage the rails.
Slowly lower the pump along the guide rails, once
the pump reaches its bottom location it will
automatically connect to the base.
Bolts
PUMP MODEL Anchors SIZE TORQUE
2” TP SERIES 4 M12mm 37 ft/ #
AUTOCOUPLING
2-21/2 ” TP-SERIES 4 M12mm 37 ft/ #
AUTOCOUPLING
3” TP-SERIES 4 M12mm 74 ft/#
AUTOCOUPLING
Notes:
1. Flange bolts must be tightened in cross pattern
to avoid damage to the raise face flanges.
2. Standard Anchors are Plated Steel
3. Autocoupling systems include qty 4 M12
anchors for the upper bracket. Torque to 38 ft#.
4. Anchor bolt holes should be drilled to the actual
diameter of the anchor (M12 anchor requires
12mm diameter hole).
START-UP
Prior To Applying Power
Prior to applying power to the pump; double check
all wiring and verify that the power
(Voltage, Phase) that will be supplied to the unit
matches the nameplate specified values.
Measure resistance of cable and pump motor
resistance of ground circuit between control
panel and outside of pump. Perform MEG ohm
check of motor insulation. Record all data on
start-up checklist which is included with this
manual.
Minimum Submergence
For optimal cooling, motor should be completely
submerged at all times. In pump-down systems,
level should not fall below one discharge diameter
above the top of the volute. For continuous
operation with a VFD, level should not be
maintained below the top of the motor for
sustained periods. For specific inquiries, please
contact factory for assistance.
Wet Well Applications
If the above checks prove satisfactory the pump is
ready for operation. Lower the pump into position.
(Refer to Mechanical installation section of this
manual.) Open discharge valve, and verify that all
check valves operate freely. It is very common for
discharge check valves to be jammed shut (or
open) after sitting for a period of time. Once all
valves are open and free, start the pump and
allow it to stabilize for several minutes prior to
recording any test data. Listen for any unusual
noise and be on the lookout for unusual vibration.
This is generally detectable on guide rails for Auto
Coupling installations and on discharge piping for
ring stand installations. Also for Auto Coupling
installations, look for any blow by from the
discharge connection. Perform all remaining
electrical, operational, and performance tests
specified on the start-up report at the back of this
manual. Record and provide details on the
checklist to validate warranty.
NOTE: Do not install more than one (1)
check valve into any pump discharge
piping system or problems will occur.
Pg. 5