ICM Controls S166, Installation And Operation Instruction Manual

Page: 15 / 16

ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166
FI.S166.EN.C - 10/2022
Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135 - www.icmaspa.it - sales@icmaspa.it Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135 - www.icmaspa.it - sales@icmaspa.it
14 15
The circulator does not require any special maintenance during operation.
Motor bearings are lubricated by the pumped liquid.
Before each maintenance intervention, disconnect power supply and
wait for the circulator to cool.
9. MAINTENANCE
10. FAULTS, CAUSES AND REMEDIES
10.1 Fault finding table
FAULTS
CONTROL
PANEL
CAUSES REMEDIES
The circulator is
noisy
Loud noises of
water circulation
→ 6.4 Automatic detection of
the presence of air - Vent system
→ 7 Circulator setting
Circulator is not
running although
the electrical
power supply is
switched on
Replace the pump
Let the pump cool down for some minutes. Then
try to re-start it. Verify that the water and ambient
temperature are within the indicated temperature
ranges.
Circulator is not
running although
the electrical
power supply is
switched on
Disassemble the motor and clean the impeller if
the Should you fail to eliminate the cause of the
malfunction, refer to the Distributor or nearest
Service Center. doesn’t succeed (
→
10.2)
Verify that the power supply matches the data on the
name plate.