Berkeley 7LT2 Owner'S Manual Download Page 3

Priming the Shallow Well Pump

Never run pump dry. 

Running pump without

water may cause pump to overheat, damaging seal and pos-
sibly causing burns to persons handling pump. Fill pump with
water before starting.

Never run pump against closed discharge.

To do so can boil water inside pump, causing hazardous
pressure in unit, risk of explosion and possibly scalding per-
sons handling pump.

To prime the pump, completely open the priming valve locat-
ed just below the suction opening on the tank body by turning
the valve stem counter-clockwise all the way until it stops.
This valve may be left open during operation as a shallow
well pump with no jet. See Figure 3 and “NOTICE” below.

Remove priming plug from top of elbow (see Figure 3), and
fill with clean water. Replace plug.

Start pump and between 45-60 seconds. If water is not being
pumped, turn off pump and repeat priming process.

NOTICE: 

If a bolt-on jet is being used, after pump is primed,

close the priming valve during operation as a shallow well
pump.

Service – Draining for Winter

Do not touch an operating motor. 

Modern

motors are designed to operate at high temperatures. To
avoid burns when servicing pump, allow it to cool for 20 min-
utes after shut-down before handling.

When the pump is to be disconnected from service, or is in
danger of freezing, it should be drained. The pump has a
drain plug which must be removed. Remove the priming plug
to vent the pump.

3

To  Service

P

rimin

g

Valve

From

Well

1

"

 

P

ipe 

P

l

ug

P

lastic 

P

ipe

Adapter

Hose Clamp

P

lastic

Hose

P

ipe fittin

g

s not f

u

rnished

P

rimin

g

 

P

l

ug

 &

1/2

"

 Street Elbow

240 1093

Figure 3 – Shallow Well Installation

TABLE I

Recommended Fusing and Wiring Data – 60 Cycle Motors

DISTANCE IN FEET FROM MOTOR TO METER

BRANCH

0’

101’

201’

301’

401’

MAX.

FUSE*

to

to

to

to

to

MOTOR

LOAD

RATING

100’

200’

300’

400’

500’

HP

VOLTS

AMPERES

AMPS

WIRE SIZE

3/4

115

14.8

20

12

8

6

6

4

3/4

230

7.4

15

14

14

14

12

10

1

115

19.2

25

10

8

6

4

4

1

230

9.6

15

14

14

12

10

10

1-1/2

115

24.0

30

10

6

6

4

3

1-1/2

230

12.0

15

14

14

12

10

10

*Fusetrons are recommended instead of fuses on all motor circuits.

Summary of Contents for 7LT2

Page 1: ...MPORTANT For best possible performance continuous satisfactory operation read these instructions before installing your new pump Should service be required this manual can be a valuable guide It shoul...

Page 2: ...apped air in pump body was not removed Restart pump When pump is completely primed and builds up pressure slowly open the regulator valve turn counter clockwise and observe the pressure reading on the...

Page 3: ...imed close the priming valve during operation as a shallow well pump Service Draining for Winter Do not touch an operating motor Modern motors are designed to operate at high temperatures To avoid bur...

Page 4: ...Can shock burn or kill Connect ground wire before connecting power supply wires Use the wire size including the ground wire speci fied in the wiring chart If possible connect the pump to a separate b...

Page 5: ...on Connection Procedure 1 Connect the ground wire first as shown in Figure 6 The ground wire must be a solid copper wire at least as large as the power supply wires 2 There must be a solid metal conne...

Page 6: ...6 1 2 4 5 6 7 8 9 10 10A 10B 22 25 23 24 3 225 0993 8 11 12 12A 12B 13 14 15 16 17 18 18A 19 20 21 26 27 EXPLODED VIEW...

Page 7: ...x 3 Lg 3 U30 528SS U30 528SS U30 528SS 13 Diffuser Ring OH SG 1 L21 1 L21 1 L21 1 14 Pipe Plug 1 2 NPT 1 U78 59ZPS U78 59ZPS U78 59ZPS 15 Pressure Gauge 1 U239 8 U239 8 U239 8 16 Pump Body 1 L76 36 L...

Page 8: ...2 5 2B Diaphragm Assembly Incl 2C 2D 2E 2F 2G 1 J120 16 2C Stem 1 J62 9 2D Diaphragm 1 J20 16 2E Spring Follower 1 J43 31 2F Ext Tooth Washer 1 U43 23ZP 2G Nut Hex Head 1 4 20 1 U36 36ZP 3 Spring 1 J2...

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