Ferroli OMNIA ST 3.2 Handbuch Für Installation, Betrieb Und Wartung Seite 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 Draining the water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.5.6 Water circuit anti-freeze protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.5.7 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 terminal block connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7.6.4 Connection of system add-ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7.6.5 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 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
8.2 Meaning of display icons ............................................................................................ 106
8.3 Switching ON and OFF DHW and plant ..................................................................... 107
8.4 HEAT, COOL and DHW setpoint settings ................................................................... 108
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
Cool mode weekly schedule (Preset Temp. Cool). . . . . . . . . . . . . . . . . . . . . . . . 113
Heat mode weekly schedule (Preset Temp. Heat) . . . . . . . . . . . . . . . . . . . . . . . 113
Climatic curves (Climatic Temp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Modalità Economy (Eco Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
8.5.3 DHW setting (Dhw settings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Antilegionella (Disinfect) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Fast DHW (Fast Dhw) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
DHW electric 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
Parameters (Parameters) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Error code (Error code) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
10.4 Heat pump commissioning ....................................................................................... 127
10.4.1 Preliminary heat pump checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Refrigerating part. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10.5 Setting to be done during the initial check of the product ......................................... 127
10.6 Final check before turning on the unit ...................................................................... 127
10.7 Turn on the unit ........................................................................................................ 127
11. MAINTENANCE ....................................................................................................127
11.1 General notes ........................................................................................................... 127
Electrical cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Residual Risks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
11.2 Access to internal components ................................................................................. 128
12. ELECTRICAL WIRING DIAGRAM INDOOR UNIT ...........................................129
12.2.1 Electrical wiring diagram for indoor unit mod. 10-16 (1ph) . . . . . . . . . . . . . . 129
12.2.2 Electrical wiring diagram for indoor unit mod. 16T (3ph) . . . . . . . . . . . . . . . . 130
13. REFRIGERANT DIAGRAM .................................................................................131
Cod. 3541V991 - Rev. 05 - 06/2022
69
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