Technical Manual
42
ECO
Problem
Possible causes
How to proceed
Water is too hot
and/or there is
steam
Problem with the probe.
Problem with the thermostat.
Check error display on electronic board.
Check correct running of thermostat.
Slow running of
thermodynamic
solar system and
excessive
running of
electrical heater
(AUTO)
Outside temperature is very low
The running of the equipment depends
on weather conditions.
Inlet water temperature is very low
The running of the equipment depends
on the inlet water temperature.
Low value for Setpoint.
Increase the value of Set-point.
Installation has low electric voltage.
Make sure the installation is supplied
with the indicated value for voltage.
Problems with the thermodynamic solar
system.
Check the error display in the electronic board.
Low hot water
flow rate
Loss or clogging of hydraulic circuit.
Check the condition of the hydraulic circuit.
Loss of water
through safety
device
Absence or incorrect dimensioning
of expansion tank (if leak is not continuous)
Installation and/or correct dimensioning of
expansion tank.
Pressure in circuit is high (if the leak is
continuous)
Check the throttle valve (if there is one
installed).
Installation of a throttle valve (if it lacks one).
Consumption
abnormally high
and constant
electrical
Loss or obstruction in cooling circuit
Check that the piping is not damaged.
Employ equipment suitable for checking leaks
in the circuit.
Dire environmental conditions
Electrical heater
does not work
Thermostat failure
Check the condition of the thermostat.
Defective electrical heater
Check the condition of the electrical heater.
Bad odour
Absence of siphon or siphon without water Install and make sure the siphon has water.
Others
Contact customer service.
12 SYSTEM MAINTENANCE
12.1 General Inspection
During the equipment’s useful life, the owner should carry out a general inspection of the
equipment, according to the place where the equipment is set up:
•
External cleaning of equipment and surrounding areas with a wet cloth;
•
Visual inspection of the whole equipment, with the purpose of detecting possible leaks
and damaged devices.
DANGER
Before carrying out any maintenance operations on the equipment, make
sure that it is not electrically powered!
Any intervention must be carried out by a specialized technician.
