Plumbing
Minimum Pressure Tank Size (Total Capacity)
Pump Flow Rating
Less than 12 gpm
12 gpm and higher
All flows
WARNING
Submersible pumps can
develop very high pressure
Pump
in some situations. Always
install a pressure relief
valve able to pass full pump
flow at 100 PSI. Install the
pressure relief valve near
the pressure tank.
Motor
Accessories
Pressure Sensor Kit - replacement sensor with 10 ft of 22 AWG cable and sensor adjustment tool: 223 995 901
(SubDrive75/100/150, MonoDrive, MonoDriveXT, SubDrive2W)
Sensor Cable Kit - 100 feet of 22 AWG pressure sensor cable: 223 995 902
(SubDrive75/100/150, MonoDrive, MonoDriveXT, SubDrive2W)
Pressure Sensor Kit - replacement sensor, pressure shut-off switch with 10 ft of 22 AWG cable and sensor
adjustment tool: 225 495 901 (SubDrive300)
Sensor Cable Kit - 100 ft of 22 AWG pressure sensor and pressure shut-off switch cable: 225 495 902 (SubDrive300)
Fan Replacement Kit - refer to Installation Manual, Franklin Electric hotline or www.franklin-electric.com for additional information.
12
Controller Model
SubDrive75 or MonoDrive
SubDrive100
SubDrive150 or MonoDriveXT
SubDrive300
SubDrive75 or MonoDrive
SubDrive100
SubDrive150 or MonoDriveXT
SubDrive300
SubDrive2W
The pressure tank pre-charge setting should be 70%
of system pressure sensor setting.
Pressure
Pressure
Shut-off
Sensor
Sensor
6 ft (1.83 m) max
Pressure
Gauge
Pressure
Relief Valve
(Discharge into drain
rated for max pump
output at relief pressure.)
Turn right (clockwise)
to increase pressure setting.
Turn left (counter clockwise)
to decrease pressure setting.
¼ turn = 3 psi
Position the pressure sensor
between vertical (preferred)
and horizontal.
PRESSURE SENSOR
Minimum Tank Size
2 gallons (8 L)
4 gallons (8 L)
4 gallons (18 L)
8 gallons (35 L)
4 gallons (18 L)
8 gallons (35 L)
8 gallons (35 L)
20 gallons (80 L)
20 gallons (80 L)
SubDrive300 only
Drain Valve
7/32 Allen-wrench (provided)
"
Pressure sensor factory
preset for 50 psi
Pressure Setting Guide
Pressure Tank
Pressure Sensor
)
Pre-charge (± 2 PSI)
Set Point (PSI
25
18
21
30
25
35
28
40
32
45
50 (Factory set)
35
39
55
42
60
46
65
49
70
53
75
56
80
Non-Adjustable
Pressure switch factory
preset for 100 psi
Position the pressure switch
between vertical (preferred)
and horizontal.
CUT-OFF SWITCH
SubDrive300 only