GB
Page 12 / 60
E-MXAM E-MXPM Rev1 - Operating Instructions
pump (par. 14 fig. 3).
Tighten the pipes or union coupling to the extent
sufficient to ensure a tight seal.
Excessive torque may cause damage to the pump.
The pipe diameters must not be smaller than the pump
connections.
6.4.2. Suction pipe
If the suction pipe is longer than 10 m, use an internal
pipe diameter larger than the pump suction connection.
For capacities over 4 m3/h use a suction pipe G 1 1/4
(DN 32).
The suction pipe must be perfectly airtight and be led
upwards in order to avoid air pockets.
With a pump located above the water level (suction lift
operation, par. 14. fig. 2) fit a foot valve with strainer
which must always remain immersed.
If operating with flexible hoses use a reinforced spiral
suction hose, in order to avoid the hose narrowing due
to suction vacuum.
With the liquid level on the suction side above the
pump (inflow under positive suction head, par. 14. fig.
1) fit an inlet gate valve.
ATTENTION: the pump is equipped with a integrated
non-return valve into the pump suction, in order to
fill the suction pipe it is necessary to prepare a filling
system on the suction pipe (par. 14 fig. 4).
Follow local specifications if increasing network
pressure.
Install a strainer on the suction side of the pump to
prevent foreign particles from entering the pump.
6.4.3. Delivery pipe
Fit a gate valve in the delivery pipe to adjust delivery
and head.
Install a pressure gauge.
With a geodetic head at outlet over 15 m fit a check
valve between the pump and the gate valve in order to
protect the pump from water hammering.
ATTENTION It is necessary to check that the restart
pressure (parameter UP02) is compatible with the
actual pressure of the pump and of the water column
of the system.
6.5. Electrical connection
OFF
Electrical connection must be carried out only
by a qualified electrician in accordance with
local regulations.
Follow all safety standards.
Make sure the frequency and mains voltage correspond
with the name plate data.
For use in swimming pools (not when persons are in
the pool), garden ponds and similar places, a residual
current device with IΔN not exceeding 30 mA must be
installed in the supply circuit.
Install a device for disconnection from the mains
(switch) with a contact separation of at least 3 mm in
all poles.
The pumps are supplied with incorporated capacitor
and thermal protector, with plug.
Connect the plug to a socket with an earth lead. The
motor will stop if overheating is detected. When the
windings cool down (after 2 to 4 minutes), the thermal
protector enables re-starting.
The pumps are supplied with power cable type H07-
RN8-F type with section of cable not less than (par.
14.2 TAB 1)..
When extension cables are used, make sure the cable
wires are of adequate size to avoid voltage drops.
7. PROGRAMMING GUIDE
7.1. Parameters
The following information is displayed:
- Parameters of pump status
- Programming parameters
- Alarms
7.2. Parameter of pump status
They allow to visualize:
- Initial screen (rUn, OFF, StB)
- the measure of the transducer
- the power absorption from the line
- the supply tension
- the operating temperature of the electronic board
- the current absorption
Starting from the basic display by pushing of the
directional arrow (plus) or (minus)
7.3. Programming parameters
To show the programming parameters, select
(menu).
Will be displayed progressively:
UP – User settings: these are the basis settings
that the user may change.
AP - Advanced settings: these settings are available
only to qualified personnel. To enter password is
required (see paragraph 7.6.).
Last 5 alarms. In case of no error, it appears nOnE
7.4. Parameters
The following parameters are available and
programmable:
7.4.1. UP – User settings
Par.
Description
Values
UP01 Pump stop pressure. (bar).
UP02 Pump restart pressure (bar).
UP03 Operating mode
0 = Comfort
1 = Eco
7.4.2. AP – Advanced settings
Par.
Description
Values
AP01 Pump suction pressure (bar)
AP02 Reset to factory set-up
nO, yES
7.5. Operating modes
It is possible to set-up two different operating modes:
COMFORT (default) in this operating mode the system
is set to minimize pressure fluctuations and minimize
the number of starts by using a dynamic system to
increase the operating time.
ECO in this operating mode the system is set to
maximize the energy savings by reducing the operating
times of the pump.
ATTENTION In ECO mode operations we always
advise the installation of a small accumulator (8 ltrs
minimum) on the pump delivery side.
7.6. PASSWORD insertion
To enter on a menu with password, four numbers
appear on the display, the number to insert is blinking.
By pushing buttons (plus) or (minus) you can change
the blinking value. If you confirm with (enter) the next
number start blinking.
If the password is correct you can enter on the MENU, if
the password is wrong the first number restart blinking.
To exit the program, push (menu) until you arrive on
E-MXAM E-MXPM Rev1.indd 12
30/11/18 15:28
