Xylem IM229 R06 Aquavar SOLO - Manual (Page 4)

4
Opening Controller Cover
Lay the controller on a flat surface or hang
on wall before removing the cover screw.
Failure to do so may result in dropping and damaging the
unit. Once screw is removed, lift the cover up and out to
remove. There is a locking tab on the bottom of the unit to
accommodate a padlock if so desired.
Mounting Controller
Three screws are provided for mounting the enclosure.
Using the enclosure as a guide, select a mounting location.
First install the top screw in the mounting surface leaving
the head of the screw approximately 1 ⁄
8
" from the surface.
Hang the enclosure on this screw. Finish by installing the
two bottom screws and tightening the top screw. Be sure
to leave a minimum of 6" of clearance on each side of the
controller to ensure proper cooling.
Pump and Piping
Do not install any valves (except check
valves), flow control devices or filters
between the pressure transducer and the pump. It is
allowable to run branches off the pipe between the pump
and transducer as long as no flow restricting devices are
between the pump and transducer.
NOTICE: The terms Transducer and Pressure Sensor are
equal and interchangeable.
EXPLODING TANK CAN INJURE OR
KILL.
Always protect the tank from over pressure by installing
a pressure relief valve large enough to limit the system
pressure below the maximum working pressure of the tank.
Install the tank at a point in the system where the maximum
possible system pressure cannot exceed the maximum
working pressure of the tank. Install the pressure relief valve
at the tank.
Avoid property damage caused by pressure
relief valve opening. Pipe the pressure relief
valve discharge to a drain or other location so that property
damage and flooding will not occur.
Locate the tank and transducer where they
will not freeze.
Ensure the system pressure setting does not exceed the
maximum working pressure of the tank.
For optimum performance, as a minimum, we recommend
using the same size pipe as the pump discharge between the
pump and the tank. Smaller diameter pipe may severely limit
the maximum capacity of the system. On long runs, larger
pipe may be beneficial for optimum performance and flow.
If using a torque arrestor, install it on the
discharge pipe before connecting pipe to
the discharge head.
Check Valve
Use a spring check valve between pump and tank for
reliable turn-off when flow stops.
TANK SIZING AND TANK PRESSURE SETTING -
Refer to Table 1 for recommended tank size. On pre-existing
systems, larger tanks may be used.
Table 1: Systems with Small Tanks
Pump Size Minimum Tank
GPM Total Volume
5 - 6 2
7 - 8 2
10 -12 2
13 -15 4
18 - 20 4
25 - 28 5
33 - 35 7
40 - 45 9
55 - 60 12
75 - 80 15
For a 5 PSI Pressure Drop Set-up:
Set the tank pressure, while tank is empty of water, to 20 psi
below the desired system pressure setting. Ex. for a 50 psi
system pressure, charge the tank to 30 psi. *
For a 20 PSI Pressure Drop Set-up:
Set the tank pre-charge to 30 psi below the desired system
pressure setting. Ex. for a 50 psi system pressure, charge the
tank to 20 psi. *
* The tank pre-charge is always checked with the tank empty of water.
Splicing Drop Cable To Motor Leads
The underwater connection where the drop cable connects
to the motor wires must be done using a waterproof heat
shrink kit. To make the connection, first strip the wires
½" and place the heat shrink tubes over the wires. Then,
connect the wires using the crimps. Finish by shrinking the
tubes over the crimps heating from the center outward.
The sealant in the tube will flow out the ends making a
watertight seal. If a heat shrink tube is burnt or split, the
connection will need to be remade.
Vinyl electrical tape is not acceptable for
underwater splices when using variable
speed drives due to the high potential for leakage to ground
through taped joints. Failure to use a waterproof heat shrink
kit will void the warranty.
Before installing the motor in the well, the drop cable must be
connected to the motor wires. Refer to the wire size chart when
selecting wire size for the drop cable. See Wire Sizing Table.
Wiring Pressure Transducer
Transducer wires must never be in same
conduit with power wires. There should
always be a minimum of 12" between transducer wires
and power wires. Failure to separate these wires can cause
controller malfunctions.
The pressure transducer cable is pre-wired at the factory. If
desired, the length of the cable can be changed. The cable
can also be put in conduit to protect against damage.
To change the length of the transducer cable:
• Cable length cannot exceed 200'.
• Disconnect transducer wires from terminal block by
pushing down on tabs at rear of block one at a time and
pulling the wires out of the terminal.
• Splice additional cable to transducer wire, cut off excess as
required.
WARNING
CAUTION
CAUTION
WARNING
CAUTION
CAUTION
CAUTION
CAUTION