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15
e
SubDrive300 (not to scale)
Tank Precharge
Ination Valve
Pressure Gauge
Pressure
Sensor
To Residence
Pressure Switch
Set Point (PSI)
25
30
35
40
45
55
60
65
70
75
80
Pressure Tank
Pre-Charge (PSI)
18
21
25
28
32
35
39
42
46
49
53
56
Pressure Setting Guide
50 (Factory set)
Pressure
Relief Valve
Discharge into
drain rated for
max pump output
at relief pressure
Drain Valve
Sensor Cable
Supplied
u
mp
a
nklin
e
ctric
o
tor
Submersible pumps can
develop very high pressure in
some situations. Always
install a pressure relief valve
able to pass full pump ow at
100 PSI. Install the pressure
relief valve between the
pump and pressure tank.
WARNING
a
tion Switch
Pump Size
3.0 Hp
5.0 Hp
u
t to Motor
Red Yel Blk
(Brn) (Blue) (Blk)
(Output)
Pressure Tank
See Table 3
(page 16) for
recommened
minimum tank size
Pressure
Shut-o
Sensor