aermotor FHSN-100 - User Manual

aermotor FHSN-100

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Shallow Well Jet Pump

INSTALLATION AND OPERATION MANUAL

Model FHSN-100 Single Stage

1 H.P.

60 Cycle

Single Phase Installations

Owner’s Record

Pump Model:

Pump Serial No.:

Pump Date Code:

Motor H.P. Voltage Phase

Date of Installation:

Owner:

Installer:

Installer Phone Number:

AERMOTOR

293 Wright St., Delavan, WI 53115

1-262-728-9181

©2008 AE376 (Rev. 2/20/08)

Table of Contents

Questions and Answers

M
Mark WellsAug 10, 2025
What to do if my aermotor Water Pump motor will not run?
- T
  Taylor HowardAug 10, 2025
  If your Aermotor Water Pump motor isn't running, here are a few things to check: * Ensure the disconnect switch is on. * Replace any blown fuses or reset tripped circuit breakers. * If the starting switch is defective, disconnect the power and replace it. * Check all wiring at the motor, ensuring connections are tight and correct. * Also, disconnect power and clean the pressure switch contacts with an emery board or nail file.
A
Amanda DavisAug 15, 2025
Why does my aermotor FHSN-100 deliver water but not shut off or cycle too frequently?
- W
  whitecharlesAug 15, 2025
  If your Aermotor Water Pump is running but not shutting off, or if it cycles too frequently, consider the following: * Disconnect power and adjust or replace the pressure switch if it's out of adjustment or the contacts are welded together. * Ensure all faucets are completely closed. * Clean any clogs from the venturi, nozzle, or impeller. * Drain the tank to the air volume control port if the standard pressure tank is waterlogged. * Check all pipe connections for leaks. * Replace any leaking foot valves. * Check the air pressure in the pre-charged tank using a tire pressure gauge at the valve stem. * Check the air valve for leaks using a soapy solution and replace the core if needed.
A
Amber ClarkAug 25, 2025
Why is my aermotor FHSN-100 Water Pump motor running hot and the overload keeps kicking off?
- T
  thomaskevinAug 26, 2025
  If the Aermotor Water Pump motor runs hot and the overload trips, it could be due to a few reasons: * The motor might be wired incorrectly; refer to the wiring instructions. * The voltage could be too low; check with your power company. * The pump may be cycling too frequently; install heavier wiring if the current wire size is too small.
A
Adam LeachAug 30, 2025
Why does my aermotor FHSN-100 deliver water, but not to full capacity?
- B
  Bryan JonesAug 30, 2025
  If your Aermotor Water Pump isn't delivering water to its full capacity, consider the following: * If your well's depth to water is more than 25 feet, a deep well jet might be necessary, as the water level in the well may be lower than estimated. * If steel piping is used, corrosion or liming could be causing excess friction; replace it with plastic pipe where possible, or with new steel pipe. * Ensure the piping isn't too small; use larger piping. * If you have a packed well point, try backflushing it or sinking a new one.
K
Kevin AlexanderSep 3, 2025
Why is there air spurting from the faucets when using my aermotor Water Pump?
- S
  Stacy JohnsonSep 3, 2025
  If you're experiencing air spurts from the faucets when using your Aermotor Water Pump, here are some potential causes: * The pump may be picking up prime. Once primed, it should pump solid water without air. * There could be a leak in the suction side of the pump. Check joints for leaks using soapy water. * The well might be gaseous. Consult the factory about installing a sleeve in the well. * Intermittent over-pumping of the well could be drawing the water level down below the foot valve. If possible, lower the foot valve; otherwise, restrict pump discharge.
B
Beverly JacksonNov 19, 2025
What to do if aermotor Water Pump motor runs but no water is delivered?
- J
  John ScottNov 19, 2025
  If the motor of your Aermotor Water Pump runs, but no water is delivered, consider these potential issues: For new installations: 1. Re-prime the pump according to the instructions, as improper priming, air leaks, or a leaking foot valve/check valve can prevent water delivery. For installations already in use: 1. Check all connections on the suction line and shaft seal for air leaks. Also check: * Clean the foot valve or strainer if plugged. * Clean the ejector or impeller if plugged. * Replace the check valve or foot valve if stuck shut. * Thaw pipes if frozen. * Raise the foot valve and/or strainer above the bottom of the water source if buried in sand or mud. * Consider a deep well jet package if the water level is too low for a shallow well setup (over 25 ft. to wat...

aermotor FHSN-100 Specifications

General

Model	FHSN-100
Category	Water Pump
Type	Hand Pump
Power	Manual
Suitable Well Casing Size	4 inches

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