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Motorized Well Water Pumps: Simple Pump Support Section.

Installation Instructions for the MOTORIZED Simple Pump System

(Scotch Yoke Drive option)

LAST UPDATED: OCTOBER 15, 2012

Page 1 (this page) Introduction and Specifications
Page 2 Recommended Operating Evironment and Applications
Page 3 Section 1: Contents as Shipped and Tools Required
Section 2: Unpacking, Inspection and Preparation
Page 4 Section 3: Remove Handle
Page 5 Section 4: Installation
Page 6 Section 5: Electrical Connection
Page 7 Section 6: Initial Operation and Break-In
Page 8 Section 7: Maintenance and Troubleshooting
Section 8: Warranty

Introduction

Thank you for purchasing a Simple Pump Motorized Pump with Scotch Yoke Drive (SYD). It is designed for use with the Simple Pump model 100 and 125 hand pumps. When assembled and installed on the Model 125, this gear motor and drive is capable of delivering between 1.6 and 3.1 gallons of water per minute (GPM) at a total head of up to 150 feet. Installed on the Model 100, it delivers between 1.0 and 2.0 GPM at a maximum total head of 200 feet. The greater the head, the lower the rate of flow.

“Total head” is the combination of

  • The depth of the well’s static water level.
  • The vertical rise above the pump head, after the water is pumped to the surface.
  • An additional 100 feet factored in when pumping into pressure. This calculation assumes pressure never exceeds 50 psi (pounds per square inch).

It is available in two models, one of which accepts 12VDC, the other 24 VDC power, from a source like solar panel or a marine or automotive battery. Precaution must be taken to prevent operation under low voltage conditions below 11.5 volts (for the 12VDC model) and 23.5 volts (for the 24 VDC model).

Specifications

WHEN POWERED WITH 12 VOLTS DC

Motor Rating (12 VDC): .140 HP continuous
Gear Ratio: 30:1
Output Torque (12VDC): 154 in/lbs. continuous
Output Torque Maximum (12 VDC): 175 in/lbs. @ 56RPM @ 16.3 amps
Nominal Output RPM (12 VDC): 57%
Efficiency: 59.5
Full Load Motor Current (12 VDC): 14.6 amps
Allowable Voltage Range (12 VDC): 11.5 to 15 VDC
Typical temperature of casing, operating in 72 degrees F ambient. 110 degrees F

WHEN POWERED WITH 24 VOLTS DC

Motor Rating (24VDC): .151 HP continuous
Gear Ratio: 30:1 @ 91.0% efficiency
Output Torque (24VDC): 195 in/lbs. continuous
Output Torque Maximum (24 VDC): 400 in/lbs. @ 45.9RPM @ 16.63 amps
Nominal Output RPM (24 VDC): 60.1
Efficiency: 64.24%
Full Load Motor Current (24 VDC): 7.32 amps
Allowable Voltage Range (24 VDC): 24 to 30 VDC
Typical temperature of casing, operating in 72 degrees F ambient. 110 degrees F


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SIMPLE PUMP COMPANY, LLC
1140 Amarillo Drive, Gardnerville, Nevada 89460-7504