3
EN
Cod. 3541Z090 - Rev. 05 - 05/2022
IDOLA S 3.2
SUMMARY
1. SAFETY PRECAUTIONS ..........................................................................................4
1.1 Special requirements for R32 refrigerant .......................................................................5
1.2 Information servicing ....................................................................................................12
2. GENERAL FEATURES ............................................................................................16
2.1 Presentation of the system ...........................................................................................16
2.2 Components supplied with the indoor unit ...................................................................16
2.3 The control system .......................................................................................................17
3. TECHNICAL DATA AN PERFORMANCE ..............................................................18
3.1 System technical data ..................................................................................................18
3.2 ERP data ......................................................................................................................19
3.3 Operating limits heat pump ..........................................................................................19
3.4 Available static pressure ...............................................................................................20
3.4.1 Heat pump circulator indoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4. DIMENSIONAL AND PHYSICAL DATA .................................................................21
5. GENERAL VIEW AND INTERNAL UNIT HYDRAULIC DIAGRAM .....................22
6. SYSTEM EXEMPLARY SCHEMES ........................................................................23
7. INSTALLATION .......................................................................................................24
7.1 Inspections on arrival ...................................................................................................24
7.1.1 Packing and storing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.1.2 Selecting the installation site and minimum operating area for indoor unit . . . . 24
7.2 Minimum plant water content and requirements for DHW boiler (not supplied with the unit) .....25
7.4 Limits to the length and height difference of refrigerant pipes
......................................26
7.5 Refrigerant connections ...............................................................................................27
7.5.1 Airtight test and leakage detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.5.2 Air purge with vacuum pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.5.3 Heat insulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.5.4 Refrigerant amount to be added . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.6 Hydraulic connections ..................................................................................................29
7.6.1 Antifreeze plant, antifreeze fluids, additives and inhibitors
. . . . . . . . . . . . . . . . 29
7.6.2 Water filter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.6.3 Tips for a successful installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.6.4 Filling with water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.6.5 Water circuit anti-freeze protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.6.6 Water piping insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.7 Electrical connections ...................................................................................................31
7.7.1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.7.2 How to access to the electric box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.7.3 User terminal block connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.7.4 Connection of system add-ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.7.5 Hydronic board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
P_o - For outdoor circulation pump or water pump zone 1 . . . . . . . . . . . . . . . . . . 36
P_c - Water pump of zone 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
P_d - DHW recirculation pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
P_s - Water pump of the solar circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
SV2 - 3-way diverter valve for heat/cool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
SV3 - 3-way mixing valve for zone 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
TBH - Electrical heater for DHW boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
H-L1-C - For room thermostat (high voltage) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
HT-COM-CL - Room thermostat (Low voltage) . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
AHS1, AHS2 - For additional heat source control (GAS BOILER) . . . . . . . . . . . . 39
EVU-SG Digital inputs for photovoltaic input and smart grid from mains electricity 39
Additional temperature probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8. USER INTERFACE...................................................................................................40
8.1 Key function description ...............................................................................................40
8.3 Meaning of display icons ..............................................................................................40
8.5 Switching ON and OFF DHW and plant .......................................................................41
8.6 HEAT, COOL and DHW setpoint settings .....................................................................42
8.7 User menu ....................................................................................................................43
8.7.1 Heat / Cool operating mode selection (Operation Mode) . . . . . . . . . . . . . . . . . 47
8.7.2 Daily schedule / climatic curves / Eco mode (Preset Temp) . . . . . . . . . . . . . . . 47
Cool mode weekly schedule (Preset Temp. Cool). . . . . . . . . . . . . . . . . . . . . . . . . 47
Heat mode weekly schedule (Preset Temp. Heat) . . . . . . . . . . . . . . . . . . . . . . . . 47
Climatic curves (Climatic Temp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Eco Mode (Eco Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Antilegionella (Disinfect) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Load. Fast DHW (Fast Dhw) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
DHW electric heater (Tank Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
DHW pump (Dhw Pump Circ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.7.3 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Silent Mode (Silent Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Holiday mode (Holiday). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Plant Backup Heater (Backup Heater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.7.4 Service information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Parameters (Parameters) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Error code (Error code) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.7.5 Operation Parameter (Operation Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9. START-UP AND CONFIGURATION .......................................................................50
9.1 Dip switch setting on indoor unit hydronic board ..........................................................50
9.1.1 Access to Service menu (For Serviceman) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
9.2 Service parameters table .............................................................................................51
9.3 Climatic curves .............................................................................................................54
9.3.1 Temperature curves for heating mode and ECO heating mode . . . . . . . . . . . . 54
Climatic curve 9 in heating mode settable by the user . . . . . . . . . . . . . . . . . . . . . 54
9.3.2 Temperature curves for cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Climatic curve 9 in cooling mode settable by the user . . . . . . . . . . . . . . . . . . . . . 55
10. TROUBLESHOOTING ...........................................................................................56
10.1 General guidelines .....................................................................................................56
10.2 General symptoms .....................................................................................................56
10.3 Error codes .................................................................................................................58
11. COMMISSIONING ..................................................................................................61
11.1 Heat pump commissioning .........................................................................................61
11.1.1 Preliminary heat pump checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Refrigerating part. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
11.2 Setting to be done during the initial check of the product ...........................................61
11.3 Final check before turning on the unit ........................................................................61
11.4 Turn on the unit ...........................................................................................................61
12. MAINTENANCE ......................................................................................................61
12.1 General notes .............................................................................................................61
Electrical cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Residual Risks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
12.2 Access to internal components ...................................................................................62
13. ELECTRICAL WIRING DIAGRAM INDOOR UNIT .............................................63
13.1.1 Electrical wiring diagram for indoor unit mod. 10-16 (1ph) . . . . . . . . . . . . . . . 63
13.1.2 Electrical wiring diagram for indoor unit mod. 16T (3ph). . . . . . . . . . . . . . . . . 64
14. REFRIGERANT DIAGRAM ...................................................................................65