Star Water Systems VPH SERIES - Manual (Page 3)

3
95 North Oak Street • Kendallville, IN 46755 • 260-347-1600 © Copyright 2013. All rights reserved.
PRELIMINARY CONSIDERATIONS
I. Location
A. Pump can be located at the well or can be offset some
distance away from the well. For best performance, it
should be located as close to the well as possible.
B. Location can be in the basement, a pit below ground, or
in a pump house above ground.
C. Ventilation and drainage must be provided to prevent
damage from moisture to the motor and pressure switch.
D. The pump and all piping must be protected from freezing.
E. Pump and pipe line must be drained when not in use if
there is any danger of freezing.
II. Well Conditions
A. New wells should be pumped clean of all sand and
foreign matter before installing the pump, or damage may
result to the operating parts.
B. The foot valve should be installed a minimum of five feet
from the bottom of the well to prevent sand, mud or other
foreign matter from entering the system.
C. The well must be capable of furnishing a sufficient
quantity of water to satisfy the demands of the pump and
personal needs. The water level must not draw down
below the maximum rated depth of the pump, or loss of
capacity and prime will result.
D. For weak well installations, see Paragraph A under Deep
Well (Double Pipe System) installations.
E. For sanitary reasons, install a well seal or pitless adapter
as required and in accordance with local and state
codes.
III. Piping
A. Old or badly scaled pipe should not be used, because
dislodged flakes of scale can cause stoppage of the
ejector nozzle and malfunction the entire system.
B. Use only pipe in good condition, free of rust and
scale. Threads should be sharp, cleanly cut and with a
minimum of two threads remaining when connection is
completely drawn up.
C. On galvanized steel pipe installations, the ends should
be reamed to ensure maximum capacity.
D. All joints and connections should be doped (male threads
only) and drawn up tightly.
CAUTION: THE ENTIRE SYSTEM MUST BE AIR
AND WATER TIGHT FOR EFFICIENT OPERATION
IV. Type of Pipe
A. Plastic or galvanized steel pipe may be used in the
installation of jet pumps.
B. Plastic pipe must have a minimum pressure rating of 160
P.S.I.
C. DO NOT USE PLASTIC PIPE IN THE WELL ON
SINGLE PIPE EJECTOR INSTALLATIONS.
V. Well To Pump Piping
A. All offset piping should slope upwards from well to pump.
B. Avoid dips or pockets in offset piping, or air will
accumulate at high points and make priming difficult.
C. Install unions at pump and at well to aid in servicing.
D. Allow enough room around pump and piping installation
for using pipe wrenches, and for service and installation.
E. Do not use piping of sizes smaller than those listed in
Chart 1, or pump will not operate properly.
CHART I
PIPE SIZES REQUIRED FOR HORIZONTAL
PIPING BETWEEN PUMP AND WELL
Distance:
Well to
Pump
3/4 HP 1 HP 1-1/2 HP
Suc. Press. Suc. Press. Suc. Press.
0’ - 25’ 1-1/4” 1” 1-1/4” 1” 1-1/4” 1”
25’ - 50’ 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4”
50’ - 75’ 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4”
75’ - 100’ 1-1/2” 1-1/4” 1-1/2” 1-1/4” 1-1/2” 1-1/4”
100’ - 125’ 1-1/2” 1-1/2” 1-1/2” 1-1/2” 1-1/2” 1-1/2”
125’ - 150’ 1-1/2” 1-1/2” 1-1/2” 1-1/2” 1-1/2” 1-1/2”
NOTE - USE PIPE JOINT COMPOUND ON
EXTERNAL THREADS OF ALL CONNECTIONS
INSTALLATION
I. Deep Well (Double Pipe System)
Application - Where the inside diameter of well is 3-1/2
inches or larger. (See illustration C & D).
A. Attach the foot valve to the ejector using a galvanized
steel or plastic nipple. Add sufficient pressure pipe (1”)
and suction pipe (1-1/4”) to submerge ejector 10 to 15’
below pumping water level, making certain foot valve is
at least 5 feet from bottom of well. If pressure pipe and
suction pipe of the same diameter are used, be sure to
identify them clearly so that they will be connected to the
proper tappings of the pump.
If a known weak well exists, replace nipple with 34 feet of
1” tail pipe between the ejector and the foot valve. This
will provide a continuous source of water for the pumping
system.
B. Check pipe and foot valve for leaks by filling pipes with
water. A continuous loss of water indicates a leak in the
piping, foot valve or unions, and must be corrected.
C. If no leaks are found, connect pressure and suction pipes
from well to pump using piping of the same diameter as
the suction pipe (1-1/4”) and pressure pipe (1” ) tappings
of the pump. For long offset distances, refer to Chart I.
for the proper pipe size.
D. Unions in suction and discharge piping near pump and
well will aid in servicing. Leave enough surrounding
room so that wrenches can be used without difficulty.