When you need to adjust the pressure switch,
you shall open the housing of pressure switch
and use a slot type screwdriver or wrench to
turn the pressure adjusting screw towards the
“+” direction.
When non-professional personnel adjust the
switch, they are prohibited to operate with the
power on; when professional personnel operate
with the power on, they must take the safety
protection measures.
The electric pump shall not operate
more than five minutes with the
outlet valve closed because the
long-time operation without flow
change will cause the temperature
and pressure rise of the liquid in the
pump body which will further lead to
leakage or damage of the water
pump, pipeline and other parts.
OFF
Square Pressure
Switch Adjusting
Screw
For three-phase electric pump that needs to be
equipped with an overload protector, you
should select the matching overload protector
according to the current or power.
PUMP
A B C
OUTPUT
A B C
INTPUT
FUSE
AC380V
If the user wants to change
the electric pump to auto
control, he just needs to
i n s t a l l a n a p p r o p r i a t e
pressure control device on
the outlet pipeline.
If you have to lengthen or replace the cable,
please use the cable with the same
specifications or specifications exceeding the
original ones, and pay attention that the
connection should be firm, waterproof and
insulating.
You should try to avoid using
the vortex pump within the
maximum head range in
case that the electric pump
is damaged due to overload.
The full-open use of the
faucet consumes little power
and s aves t h e e l e c t r i c
energy.
Round Pressure
Switch Adjusting
Screw
NOTICE
WARNING
15