8
5. Site Piping to the Package
Do not over tighten piping connections on the fittings used to connect the site plumbing to each header as this could
damage the equipment and/or headers .
As mentioned earlier, the site water (suction and discharge) can be connected to either end of the suction and discharge manifolds .
User installed isolation valves are required near the inlet and outlet to the packaged assembly . This will allow the user to isolate the entire package
from the site plumbing network which can be helpful in simulating the different site demand loads during start up and also to prevent draining of the
discharge piping during times of major maintenance to the unit .
The pressure tank supplied on the package is sized to allow adequate pressure sensing for smooth pump operation . It is not meant to be a buffer tank
and in cases where sudden large demand swings occur, an external pressure tank may be needed to minimize any drops in pressure on the discharge
side of the pump package .
Finally, install an appropriately sized pressure relief valve sized discharge piping from the pressure relief valve to an appropriate drain with the pipe
sized for the max pump outlet at the relief valve discharge pressure . A 1-1/4” NPT female connection is provided on Discharge Header End Cap for
installing the relief valve . If the relief valve is placed in a different area in the system, this connection will need to be closed using the 1-1/4” plug
provided in the Accessory Kit .
UNIT OPERATION
1. How the System Works
The pump system is controlled by a pressure control loop . When the measured pressure is below the user setpoint, the control panel will enable pump
operations based on set up selections made by the user in the control program .
2. Turning the Unit On
Once site power has been provided to the control panel and those feeds are live, there will be energized electrical
lines in the control panel up to the remote disconnect terminals even when the panel’s remote disconnect switch is
off . Always de-energize the site power feeding the control panel when opening the panel otherwise an electrical
shock hazard will still exist which can cause serious injury, death and major property damage .
Prior to turning the unit on, the following should be checked .
a . The electrical incoming voltage should be verified that it meets the electrical requirements and that an adequate ground connection exists .
b . The overall system should be inspected to verify no damage was found during shipment or installation .
c . After plumbing the system, pressurize the booster system Suction Header with site water . To remove any trapped air in the package, start with
the pump isolation valves closed on all but one pump . Air can be vented by loosening the 1-1/4” plug located on the Discharge Header End Cap
or, if a relief valve is installed there, by lifting the relief valve poppet . After venting, close an isolation valve on the first pump, open both
isolation valves on the next pump to be vented, and repeat the air venting process . Continue venting air in this manner until all pumps have
been vented . After the air has been removed from all pumps, tighten the plug .
d . If there are any water leaks, isolate the location and tighten the connections . If the leaks are at the threaded connections in the pump piping
circuits, tighten down each fitting in the other pump piping circuits by an equal amount to ensure that the suction and discharge manifolds are
maintained at a uniform distance .
e . Engage the fused disconnections for each pump, close the control panel door and turn the remote disconnect to the 1 (or ON) position .
3. System Control
When the control panel is powered up by turning the electrical disconnect on, the PLC panel will turn on and display the SYSTEM screen . The screen
name is shown in the upper right corner of this screen .
An overall On/Off selection switch is shown on the right side of the SYSTEM screen as shown in Figure 5 . Touching the green light will activate the
system and allow it to operate while touching the red light will stop the system operation . The light associated with the current selection will be
illuminated to show which state the system is currently in .
CAUTION
WARNING
