Espa TECNOPLUS 25, Instruction Manual, Page: 9 / 56

9
Default pressure adjustment: 5.2.
To raise or lower the default pressure, the pump must be running and the RUN LED must be lit constantly.
Keep (+) or (-) pressed to change the default pressure. Start-up pressure is set 0.5 bar below default pressure.
Pressure limited between 1.5 and 4.5 bars.
Comments:
The default pressure must be 10 m above the highest outlet of the installation. It is advisable to set a default
pressure of between 1.5 and 3 bars.
The geometrical height from the pump position to the highest point of the installation should not exceed 25 m.
See fig. 1.
LED indicators 5.3.
When the machine is switched on, the following sequence starts:
1. The LEDs light up consecutively twice.
2. The machine starts.
The LEDs have the following options:
0 = LED OFF
1 = LED ON
2 = LED blinking slowly (2 s. on / 2 s. off)
3 = LED blinking quickly (1 s. on / 1 s. off)
4 = LED blinking very quickly (0.2 s. on / 0.2 s. off)
LED position when the pump is running.
LINE RUN FAULT Machine status
1 1 0 Normal operation. The pump is running and regulating as required.
1 3 0 Very low flow rate or dry running. If it remains in this condition for more than 10
seconds, the pump will stop.
T E C N O P L U S
FAULT
RUN
LINE
The RUN LED is always on while
the water flow is above the minimum
flow rate. Under this flow rate, the
LED begins to blink.
The LINE LED is always on while
mains voltage is received.
Error LED
The buttons (+) and (-) can be used to adjust the
default pressure.
Increases and reductions in 0.1-bar steps .
The buttons are only active if the pump is ON.
The circuit can be reset by pressing (+) and (-)
simultaneously.
Instruction Manual