11
SubDrive Connect Models with Surface Motor Capacity Ratings
SubDrive Connect models will operate many Franklin Electric surface mounted pumps, including VR, MH,
BT4, and DDS series.
NOTE:
Recommended for use on inverter duty rated motors. Follow motor manufacturer recommenda-
tions for cable lengths when using variable frequency drives.
When operating a surface system, drives are configured based on motor current capacity rather than
horsepower. Motor current capacity is programmed through DIP switch settings. Refer to
.
Model
Current Capacity
SubDrive15
2.0 – 5.9 A, 230 VAC three-phase
SubDrive20
2.0 – 8.1 A, 230 VAC three-phase
SubDrive30
2.0 – 10.9 A, 230 VAC three-phase
SubDrive50
2.0– 17.8 A, 230 VAC three-phase
NOTE:
Using the FE Connect Mobile App, motor overload current can be set from 2.0 A up to the max
current rating of the drive model in 0.1 A increments. Refer to
“Drive Configuration Using the FE Connect
Three-Phase Pump Sizing and Performance
SubDrive Connect models are capable of driving a smaller threep-
hase pump, either standard induction or MagForce permanent
magnet, than the motor horsepower rating to a similar or better
performance than a conventionally matched pump and motor. This
has the effect of extending the performance curve of the overall
system at both low and high flow rates. See the example at right.
To select the proper pump for your application, first choose the
conventionally matched pump and motor combination that meets
the head and flow requirements. Refer to the Franklin Electric AIM
Manual.
Then, select an appropriate smaller pump from the same pump
series (flow rating) that works with your SubDrive Connect model.
Refer to
.
The motor and pump sizes must be configured using DIP switch
settings on the SubDrive Connect. Refer to
Summary of Contents for SubDrive 15
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