Technical Data And Characteristics - Ferroli ATLAS D ECO UNIT Instructions D'utilisation, D'installation Et D'entretien

ATLAS D ECO UNIT
Circulating pump diagnostics
Some faults linked to the circulating pump are signalled by the LED located around the
speed selector (fig. 38 - fig. 39).
Table. 4 - Circulating pump LED indications
Off
Min .
1 Circulating pump on STANDBY
I
4
II
7
III
Green ON
Circulating pump Working
Green Flashing
Air venting cycle
Green/Red alternating
Circulating pump blocked due to external causes:
- Overvoltage (>270V)
- Insufficient voltage (<160V)
- Motor overload
Red Flashing
Circulating pump blocked due to internal causes:
- Motor blocked
- Damaged electronics
Circulating pump diagnostics (model PARA)
Some faults linked to the circulating pump are signaled by the LED (fig. 39).
LED Fault
Fault
On with red light
Contact/winding
Under/overvoltage
Excessive module tem-
Flashing with red light
perature
Short circuit
Turbine operation
Dry running
Flashing with red/
green light
Overload
fig. 38
fig. 39
Cause Cure
Blocked rotor
Activate manual restart or
contact Customer Service
Faulty winding
Supply side voltage too low/high
Check the mains voltage and
Inside of module too hot conditions of use.
Request Customer Service
Motor current too high
The hydraulic system of pumps
is fed but the pump does not
have mains voltage
Air in pump Check the mains voltage, the
water flow/pressure as well
The motor turns with difficulty.
as the environmental condi-
Pump operation not in accord-
tions
ance with specifications (e.g.
high module temperature).
The speed is lower than in nor-
mal operation.
cod. 3541Q433 - Rev. 00 - 10/2021

5. TECHNICAL DATA AND CHARACTERISTICS

5.1 Main components, dimensions and connections
fig. 40- Main components, dimensions and connections
56
275
500
A
fig. 41
EN
36
246
32
295
246
278
43