
ELECTRONIC CIRCULATOR FOR HEATING SYSTEMS - Art. P329
ICMA S.p.a. - Heating Technologies - www.icmaspa.it
FI.P329.EN.C - 1 /2022
Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135 - www.icmaspa.it - [email protected]
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INDEX
1. CINDICATION OF INSTRUCTIONS
..........................................................................................................................................3
2. IMPORTANT SAFETY AND INSTALLATION INSTRUCTIONS
............................................................................................4
3. FIELD OF APPLICATION
...........................................................................................................................................................6
3.1 Types of system........................................................................................................................................................................6
3.2 Pumped liquids........................................................................................................................................................................6
4. INSTALLATION AT SITE............................................................................................................................................................8
4.1 Installation...............................................................................................................................................................................8
4.2 Permissible installation positions....................................................................................................................................9
4.3 Motor housing positions...................................................................................................................................................9
5. ELECTRIC CONNECTION.........................................................................................................................................................10
6. COMMISSIONING................................................................................................................................................................11
6.1 Start-up of the circulator..................................................................................................................................................11
6.2 Operating elements.............................................................................................................................................................12
6.3 Mode of operation..............................................................................................................................................................12
6.4 Automatic detection of the presence of air - Vent system...............................................................................13
7. CIRCULATOR SETTING............................................................................................................................................................14
8. PERFORMANCE CURVES........................................................................................................................................................14
9. MAINTENANCE.......................................................................................................................................................................15
10. FAULTS, CAUSES AND REMEDIES........................................................................................................................................15
10.1 Fault finding table........
....................................................................................................................................................15
10.2 Unlocking procedure........................................................................................................................................................16