
25mm
isolation
valve
25mm
barrel union
25mm barrel union
25mm Y-Strainer
Solid level base
100mm
To house
25mm
isolation
valve
Mains pipe
min 25mm
From mains
House wall
Discharge pipe
min 25mm
VFB-DSU
Min 100mm
Flow
25mm
barrel union
Ground level
Solid base
House wall
100mm
Foot valve
25mm
isolation
valve
25mm
barrel union
To house
25mm
isolation
valve
Mains pipe
min 25mm
From mains
Discharge pipe
min 25mm
VFB-DSU
Min 100mm
Suction pipe
min 25mm
29
OPERATION
Jet Pump and Auto Pressure
Control/Auto Pressure Control
and Mechanical Water
Switching Unit
Note:
The following images show a set up with
pump, VFB-APC and VFB-MSU, however these
steps apply to all possible set ups.
Ensure that the pump has been
successfully primed.
1. Open the gate valve on the suction line.
2. Slowly open the gate valve on the
discharge line to 50%.
3. Turn the power on at the powerpoint.
4. When the power is turned on the pump
will start to pump water. If you’re using an
VFB-APC, the yellow “Pump On” LED on
the Pressure Control will illuminate.
10
0m
m
Solid base
OPEN
To house
Mains water in
Flow
Flow
Isolation
valve
10
0m
m
Solid base
Flow
Flow
Isolation
valve
OPEN TO 100%
OPEN TO 50%
10
0m
m
Solid base
Flow
Flow
Isolation
valve
ON