Ferroli OMNIA S 3.2 Manuel D'installation, D'utilisation Et D'entretien page 3

OMNIA S 3.2
1. SAFETY PRECAUTIONS .................................................................................................. 70
1.1 Special requirements for R32 refrigerant .................................................................................71
1.2 Information servicing .................................................................................................................78
2. GENERAL FEATURES ....................................................................................................... 82
2.1 Presentation of the system........................................................................................................82
2.2 Components supplied with the indoor unit ...............................................................................82
2.3 The control system ....................................................................................................................83
3. TECHNICAL DATA AN PERFORMANCE ....................................................................... 84
3.1 System technical data ...............................................................................................................84
3.2 ERP data ....................................................................................................................................85
3.3 Operating limits heat pump .......................................................................................................85
3.4 Available static pressure ............................................................................................................86
3.4.1 Heat pump circulator indoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
4. DIMENSIONAL AND PHYSICAL DATA .......................................................................... 87
5. GENERAL VIEW AND INTERNAL UNIT HYDRAULIC DIAGRAM ............................ 88
6. SYSTEM EXEMPLARY SCHEMES ................................................................................. 89
7. INSTALLATION ................................................................................................................... 90
7.1 Inspections on arrival.................................................................................................................90
7.1.1 Packing and storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
7.1.2 Selecting the installation site and minimum operating area for indoor unit . . . . . . . . .90
7.2 Minimum plant water content and requirements for DHW boiler (not supplied with the unit) 91
7.4 Limits to the length and height difference of refrigerant pipes .................................................92
7.5 Refrigerant connections ............................................................................................................93
7.5.1 Airtight test and leakage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
7.5.2 Air purge with vacuum pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
7.5.3 Heat insulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
7.5.4 Refrigerant amount to be added . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
7.6 Hydraulic connections ...............................................................................................................95
7.6.1 Antifreeze plant, antifreeze fluids, additives and inhibitors . . . . . . . . . . . . . . . . . . . . . .95
7.6.2 Water filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
7.6.3 Tips for a successful installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
7.6.4 Filling with water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
7.6.5 Water circuit anti-freeze protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
7.6.6 Water piping insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
7.7 Electrical connections ................................................................................................................97
7.7.1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
7.7.2 How to access to the electric box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
7.7.3 User terminal block connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
7.7.4 Connection of system add-ons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
7.7.5 Hydronic board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
P_o - For outdoor circulation pump or water pump zone 1 . . . . . . . . . . . . . . . . . . . . . .102
P_c - Water pump of zone 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
P_d - DHW recirculation pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
P_s - Water pump of the solar circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
SV2 - 3-way diverter valve for heat/cool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
SV3 - 3-way mixing valve for zone 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
TBH - Electrical heater for DHW boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
H-L1-C - For room thermostat (high voltage) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
HT-COM-CL - Room thermostat (Low voltage) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
AHS1, AHS2 - For additional heat source control (GAS BOILER) . . . . . . . . . . . . . . . .105
EVU-SG Digital inputs for photovoltaic input and smart grid from mains electricity . . .105
Additional temperature probes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
8. USER INTERFACE............................................................................................................ 106
8.1 Key function description ..........................................................................................................106
SUMMARY
8.3 Meaning of display icons .........................................................................................................106
8.5 Switching ON and OFF DHW and plant.................................................................................107
8.6 HEAT, COOL and DHW setpoint settings ..............................................................................108
8.7 User menu ...............................................................................................................................109
8.7.1 Heat / Cool operating mode selection (Operation Mode) . . . . . . . . . . . . . . . . . . . . . .113
8.7.2 Daily schedule / climatic curves / Eco mode (Preset Temp). . . . . . . . . . . . . . . . . . . .113
Cool mode weekly schedule (Preset Temp. Cool) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Heat mode weekly schedule (Preset Temp. Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Climatic curves (Climatic Temp). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Eco Mode (Eco Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Antilegionella (Disinfect). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Load. Fast DHW (Fast Dhw) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
DHW electric heater (Tank Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
DHW pump (Dhw Pump Circ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
8.7.3 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Silent Mode (Silent Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Holiday mode (Holiday) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Plant Backup Heater (Backup Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
8.7.4 Service information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Parameters (Parameters). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Error code (Error code) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
8.7.5 Operation Parameter (Operation Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
9. START-UP AND CONFIGURATION ................................................................................116
9.1 Dip switch setting on indoor unit hydronic board ...................................................................116
9.1.1 Access to Service menu (For Serviceman). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
9.2 Service parameters table ........................................................................................................117
9.3 Climatic curves ........................................................................................................................120
9.3.1 Temperature curves for heating mode and ECO heating mode. . . . . . . . . . . . . . . . .120
Climatic curve 9 in heating mode settable by the user. . . . . . . . . . . . . . . . . . . . . . . . . .120
9.3.2 Temperature curves for cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Climatic curve 9 in cooling mode settable by the user . . . . . . . . . . . . . . . . . . . . . . . . . .121
10. TROUBLESHOOTING.................................................................................................... 122
10.1 General guidelines ................................................................................................................122
10.2 General symptoms ................................................................................................................122
10.3 Error codes ............................................................................................................................124
11. COMMISSIONING ........................................................................................................... 127
11.1 Heat pump commissioning ....................................................................................................127
11.1.1 Preliminary heat pump checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Refrigerating part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
11.2 Setting to be done during the initial check of the product ....................................................127
11.3 Final check before turning on the unit ...................................................................................127
11.4 Turn on the unit ......................................................................................................................127
12. MAINTENANCE ............................................................................................................... 127
12.1 General notes ........................................................................................................................127
Electrical cabinet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Residual Risks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
12.2 Access to internal components .............................................................................................128
13. ELECTRICAL WIRING DIAGRAM INDOOR UNIT ................................................... 129
13.1.1 Electrical wiring diagram for indoor unit mod. 10-16 (1ph) . . . . . . . . . . . . . . . . . . . .129
13.1.2 Electrical wiring diagram for indoor unit mod. 16T (3ph) . . . . . . . . . . . . . . . . . . . . .130
14. REFRIGERANT DIAGRAM ........................................................................................... 131
Cod. 3541V941 - Rev. 05 - 06/2022
EN
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