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| Franklin Application/Installation Data (AID)
... For The Professional Driller-Installer |
Vol. 20, No. 1Jan/Feb 2002 |
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| SubDrive
75: YOU made it better! |
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| Franklin Electric has always been pleased
to offer you quality, state-of-the-art electronic products for all
types of submersible pumping systems, including constant pressure
systems. Our in-house electronics engineering team is continually
working to make our products perform better, work smarter, and last
longer. A key part of their effort is the feedback we receive from
you about our products, and as a direct result of your observations,
we are pleased to introduce the latest member of the CP Water family,
SubDrive 75. We can honestly say YOU made it better. |
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| SubDrive 75 is a variable frequency drive
that changes the speed of the pump to satisfy demand in the system.
Using a standard ¾ Hp pump mounted to a standard Franklin Electric
1½ Hp motor (3-phase, 230V), SubDrive 75 will drive the pump
between 1800 and 4800 rpm to maintain constant pressure. An external
pressure sensor is used to monitor the system pressure and provide
a means for the installer to change the target pressure setting. Pressure
setting options range from 25 to 80 psi. |
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| A SubDrive 75 constant pressure system will
provide performance consistent with a 1½ Hp pump curve. If
the performance represented by the 1½ Hp curve of a particular
pump series will satisfy your needs for head and flow, then the ¾
Hp pump in that series can be used to achieve the same performance
when used with SubDrive 75. |
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| It is important to remember that SubDrive
75 does not require a specially-designed pump. It utilizes a standard
pump and motor, which allows you to use the pump brand of your choice
to provide your customers with a dependable constant pressure system.
For more information on the SubDrive 75, contact your pump supplier
or call our Submersible Service Hotline at 800-348-2420. |
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SubDrive 75 Features & Benefits |
Constant
Pressure - minimizes pressure drops in the shower,
fill the washing machine faster
Saves Space - works with small pressure tanks or
tanks already in place
Easy to Install - just like installing a control
box; no programming necessary
Ideal for Lawn Irrigation - provides even distribution
and allows larger zones in lawn irrigation systems; eliminates
need for separate systems
No Pressure Cycling - ideal for long-running applications
such as geothermal heat pumps
Soft Start Feature - easy on the motor, minimizes
water hammer and upthrusting
Electronic Pump Protection - built-in diagnostics
Enhanced Performance of Treatment Systems - better
output from water treatment systems such as reverse osmosis
and water softeners; more efficient back flushing, no
need for multiple pumps
For more information visit the following pages
SubDrive 75
Product Overview
CP Water
SubDrive Brochure
Installation
Manual - [pdf]
F.A.Q.
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Clarification:
4-Inch 10Hp Amp Readings |
| Over the past few years, Franklin's 4-inch
10 Hp 460V motor has undergone some design changes that have caused
the service factor (SF) amp values to change. These changes, in turn,
have led to confusion in the field as to which value is correct. In
reality, each value is correct, depending on when the motor was manufactured. |
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Older motors (models beginning with 234 329) had a service factor
max amps rating of 18.5 A. However, when this motor was changed to
a clad design (models beginning with 234 595), the SF max amps rating
changed to 18.4 A. Then in July 2000, the new clad motor received
a winding change to improve motor performance. Thus, the current production
motor (models beginning with 234 595) carries a service factor max
amps rating of 17.3 A. |
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| The August 2000 edition of Franklin's Application-Installation-Maintenance
(AIM) Manual lists 18.5 A as the SF max amps rating for the 4-inch
10 Hp 460V motor. While this value was correct when the manual went
to press, it does not properly represent 4-inch 10 Hp motors manufactured
today and will be adjusted for the next edition of the AIM manual.
Remember, however, a 10 Hp motor is still a 10 Hp motor, regardless
of the service factor amp rating. |
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| Getting
to Know Your Field Service Team: Jim Hartmann |
| Getting to Know Your
Field Service Team is a new feature of Franklin AID. Each issue,
we will highlight a member of the team to help you put faces
with the names you hear in the field. |
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Jim Hartmann loves the water systems
industry and helping people. That's why he's such a good fit
as a Field Service Engineer for Franklin Electric. Jim says,
"This is such a great industry to be involved in. The people
are the best anywhere." He should know; Jim has been involved
in the water systems industry for 15 years, and the last 10
of them have been spent as a Franklin Electric Field Service
Engineer. His territory covers ten states in the Northeast and
parts of Canada. Jim says his favorite part of the job is presenting
seminars and doing in-house training. "Any time you get
a chance to help a contractor do a better job, we all win."
Jim grew up on Long Island, New York and graduated from Villanova
University. Today, Jim lives in Jamison, Pennsylvania, a suburb
of Philadelphia. He and his wife, Lynne, have three children.
You can contact him by telephone at 260-827-5140, or by e-mail
at jhartmann@fele.com.
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| Area
Code Change |
| Some of you
looking closely at this publication may have noticed a
change of area code for our headquarters in Bluffton,
Indiana. Effective January 15, 2002, the 219 area code
for northeast Indiana, including Bluffton, was changed
to 260. Not only does this change affect our fax number
(noted below), but also the telephone numbers for Bob
McClain, our Field Service Engineer for the Midwest. Bob's
phone/phone mail number is now 260-827-5406, and his fax
number is 260-827-5102. Please note this area code change
to avoid problems getting in touch with us in the future.
Of course, the toll-free number for our Submersible Service
Hotline 1-800-348-2420 is unaffected by this change. |
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