Franklin Electric 3200 Series, Owner'S Manual

Page: 5 / 24

MAINTENANCE
Poppet Check Valve
5
Low-Yielding Well
1. Install a smaller pump. Consult licensed water systems professional contractor for sizing.
2. Install additional length of drop pipe to place pump lower in well.
3. Install a Franklin Pumptec or similar electronic run dry sensor.
4. Install a floatless liquid level control to work with the pressure switch.
5. Install a flow control valve in the discharge line upstream from the pressure switch to restrict output.
• A pressure tank with a bonded diaphragm, air cell, or water bag is recommended.
6. Install a low-pressure cut-off switch.
MAINTENANCE
Poppet Check Valve
Use a T-Handle Poppet Wrench (part no. 106964101),
ordered separately, or standard needle nose pliers to
remove the poppet assembly by turning clockwise.
If reinstalling, tighten to 15 inch-pounds.
Troubleshooting
Risk of damage to pump or other equipment.
• Fluid draining back through the pump can cause the pump to rotate backwards. If pump/motor starts during this time, damage to
the pump can occur.
Poppet Assembly T-Handle Poppet Wrench
Problem Probable Causes Corrective Action
Pump fails to start
Electrical trouble Call dealer or electrician
Draw-down protection device
has pump turned off
Make sure system check valves are correctly installed or uninstall draw-down
protection device. Reset low pressure cutoff switch (if installed).
Overload tripped Reset overloads and low pressure cutoff switch (if installed).
Pump fails to deliver
water or reduced out -
put
Clogged intake screen Clean intake screen.
Insufficient well yield Shut off system. Refer to “Low-Yielding Well” on page 5 .
Worn pump Replace pump.
Low voltage
Make sure the power supply corresponds with the electrical rating of the
motor. For 3-wire, single phase pumps, check the control box.
Incorrect rotation (3-phase) Interchange any two leads at the magnetic starter.
Pump cycles too fre -
quently
Pressure drop between pres -
sure switch and tank.
Check system for a plumbing leak and correct as necessary.
“Cut-in” or “Cut out” pressure
too high.
Follow manufacture’s instructions to properly set the on/off cycle of the pres -
sure switch.
Waterlogged pressure tank
Follow manufacturer’s instructions on resetting/establishing proper air pres -
sure setting for the tank.
Electrodes of floatless liquid
level control too close together.
Follow manufacture’s recommendation for installation of the electrodes on
the level control.
Tank too small. Install pressure tank with bonded diaphragm, air cell, or water bag.
Overloads trip Electrical trouble Call dealer or electrician.
Pressure switch cycles
rapidly
Pressure switch too far from
pressure tank
Adjust air charge of tank to manufacturer’s recommendations.
Backspin Failed or no check valve Install new, non-swing type check valve(s).
Upthust Check valve drilled Install positive sealing check valves only.
Water Hammer
Lowest check valve leaks or is
more than 30 ft above water
Shut system down and contact pump installer to correct issue.
Check valve drilled Install positive sealing check valves only.