2 INSTALLATION
2.1 Electrical connection to the power supply line and electrical pump
Installation & Operation Manual
L932/B
Intelligent Pump Controller
Installation & Operation Manual Ver.1.1
.5.
DANGER Electric shock risk
Before carrying out any installation or maintenance operation, the L932/B should be
disconnected from the power supply and one should wait at least 2 minutes before
opening the appliance.
Never connect AC power to output U1 V1 W 1 U2 V2 W2 terminals.
Don't put wire, metal bar filaments etc into the controller.
Ensure the motor, controller and power specifications matching.
The electrical and hydraulic connections must be carried out by competent, skilled,
qualified personnel.
!
!
!
Pump A
M
PE
Pump B
M
Icon
Meaning/Description
Stop
Start 1
Start 2
Start 3
Psi
Bar
Low
Hig
pressure value for cut off setting
s t
pressure value for 1 pump cut in setting
n d
pressure value for 2 pump cut in setting
r d
pressure value for 3 pump cut in setting
pressure unit
pressure unit
low pressure or lack of pressure in the pipeline or pressure tank
high pressure or full of pressure in the pipeline or pressure tank
① ② ③ ④ ⑤ ⑥
A+
B-
+ -
R
E
D
Y
E
L
L
O
W
B
L
A
C
K
A
B
C
+
+
+
Air Switch
+
+
+
Input Power
Pressure
Transmitter
C
o
m p
ro
b
e
L
o
w
e
r
p
ro
b
e
U
p
p
e
r
p
ro
b
e
water well
V1
U1
W1
PE
V2
U2
W2
F1 F2
