Ferroli OMNIA ST 3.2 Manual De Instalación, Uso Y Mantenimiento página 69

OMNIA ST 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 ........................................................................83
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 ............................................................................................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 Heat / Cool operating mode selection (Operation Mode) . . . . . . . . . . . . . . . . . . 113
8.5.3 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
8.5.4 DHW setting (Dhw settings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Antilegionella (Disinfect). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Fast DHW (Fast Dhw) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Tank heater (Tank Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
DHW pump (Dhw Pump Circ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
8.5.5 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Silent Mode (Silent Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Holiday mode (Holiday) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Plant Backup Heater (Backup Heater). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
8.5.6 Service information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Error code (Error code) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Parameters (Parameters). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
8.5.7 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. 3541V991 - Rev. 00 - 09/2021
69
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