Tab.11 Sequence of error alarms
LED
1
LED
2
LED
3
LED
4
LED
5
Indications Pump ope
ration
Action
x
x
Rotor blo
cked
Attempt res
tart every
1.33 se
conds
Wait and
unblock the
shaft
x
x
Voltage
supplied too
low
Warning
only, pumps
continues to
run
Check the
voltage sup
plied
x
x
Electrical
fault
The pump
has stopped
running be
cause the
voltage sup
plied is low,
or there is a
serious fault
Check the
voltage sup
plied. Re
place the
pump
When there are no active alarms, the operation panel returns to
operational mode.
It works with an external solar profile PWM C or in internal control with
constant curve.
Tab.12 Operating status
LED 1
(green)
LED 2
(green)
LED 3
(yellow)
LED 4
(yellow)
LED 5
(yellow)
CC1
x
CC2
x
x
CC3
x
x
x
PWM C shutdown
signal
x *
x
x
x
PWM C start-up
signal
x**
x
x
x
(*) 1 flash per second
(**) 2 flashes per second
8.3
Pump technical data
Tab.13 Technical data
UPM3 15-75
UPM3 15-145
Pressure system
Max. 1.0 MPa (10 bar) Max. 1.0 MPa (10 bar)
Minimum input pressu
re
0.05 MPa (0.50 bar) at
95 °C of fluid tempera
ture
0.05 MPa (0.50 bar) at
95 °C of fluid tempera
ture
Fluid temperature
2-110 °C (TF110) Max.
130 °C (60 °C ambient
temperature)
2-110 °C (TF110) Max.
130 °C (60 °C ambient
temperature)
IP class
IPX4D
IPX4D
Motor protection
No external protection
necessary
No external protection
necessary
8 Solar pump
7729335 - 04 - 12052021
Solar hydraulic unit
29