Ferroli OMNIA S 3.2 Manuel D'installation, D'utilisation Et D'entretien page 69

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
7.3 Limits to the length and heigth difference of refrigerant pipes ..........................................92
7.4 Refrigerant connections .....................................................................................................93
7.4.1 Airtight test and leakage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.4.2 Air purge with vacuum pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.4.3 Heat insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.4.4 Refrigerant amount to be added . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.5 Hydraulic connections .......................................................................................................95
7.5.1 Antifreeze plant, antifreeze fluids, additives and inhibitors . . . . . . . . . . . . . . . . . . 95
7.5.2 Water filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.5.3 Tips for a successful installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.5.4 Filling with water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.5.5 Water circuit anti-freeze protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.5.6 Water piping insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.6 Electrical connections ........................................................................................................97
7.6.1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.6.2 How to access to the electric box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7.6.3 User connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Hydronic board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
P_o - For outside 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 - Photovoltaic input and smart grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
8. USER INTERFACE .....................................................................................................106
8.1 Key function description ..................................................................................................106
8.2 Meaning of display icons .................................................................................................106
8.3 Switching ON and OFF DHW and plant ..........................................................................107
8.4 HEAT, COOL and DHW setpoint settings........................................................................108
SUMMARY
8.5 User menu .......................................................................................................................109
8.5.1 Heat / Cool operating mode selection (Operation Mode) . . . . . . . . . . . . . . . . . . 113
8.5.2 Daily schedule / climatic curves / Eco mode (Preset Temp) . . . . . . . . . . . . . . . . 113
Weekly schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Cool mode weekly schedule (Preset Temp. Cool). . . . . . . . . . . . . . . . . . . . . . . . . . 113
Heat mode weekly schedule (Preset Temp. Heat). . . . . . . . . . . . . . . . . . . . . . . . . . 113
Climatic curves (Weather Temp Set) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Modalità Economy (Eco Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
8.5.3 DHW setting (Dhw settings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Antilegionella (Disinfect). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Fast DHW (Fast Dhw) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Tank heater (Tank Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
DHW pump (Dhw Pump Circ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
8.5.4 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Silent Mode (Silent Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Holiday mode (Holiday) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Plant Backup Heater (Backup Heater). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
8.5.5 Service information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Error code (Error code) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Parameters (Parameters). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
8.5.6 Operation Parameter (Operation Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
9. START-UP AND CONFIGURATION ......................................................................... 116
9.1 Dip switch setting .............................................................................................................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
13.2.1 Electrical wiring diagram for indoor unit mod. 10-16 (1ph) . . . . . . . . . . . . . . . . 129
13.2.2 Electrical wiring diagram for indoor unit mod. 16T (3ph) . . . . . . . . . . . . . . . . . . 130
14. REFRIGERANT DIAGRAM .....................................................................................131
Cod. 3541V941 - Rev. 00 - 09/2021
69
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