Unical S 24, Manual

Page: 3 / 52

3
T
echnical Features
General information
Maintenance instructions
Installation Instructions
ENGLISH
Attention: this manual contains instructions for the exclusive use of the professionally qualified installer
and/or maintenance technician in compliance with current legislation.
The user is NOT qualified to intervene on the boiler.
The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from
failure to comply with the instructions contained in the manuals supplied with the boiler.
2
TECHNICAL FEATURES AND DIMENSIONS ..............................................................................................
9
2.1 Technical features ...................................................................................................................................
9
2.2 Main components view and dimensions ..................................................................................................
9
2.3 Available flow rate / pressure diagram ..................................................................................................14
2.4 Operation data .......................................................................................................................................15
2.4.1 Data according to directive ErP ....................................................................................................15
2.4.2 Caratteristiche del controllo integrato Ufly BOX ...........................................................................15
2.5 General features .............................................................................................................................15
4
MAINTENANCE INSTRUCTIONS ...............................................................................................................
32
4.1 Inspection and maintenance instructions ..............................................................................................
32
4.1.1 Pannello comandi Ufly BOX .........................................................................................................
33
4.2 Parameters that can be edited from the control panel ..........................................................................
35
4.3 Adaptation of the power to the heating system .....................................................................................
38
4.3.1 GAC adjustment ..........................................................................................................................
39
4.4 Wiring diagram ................................................................................................................................
43
4.5 Error Code .............................................................................................................................................
44
4.5.1 Filling system ................................................................................................................................
47
4.6 Important Note .......................................................................................................................................
48
4.6.1 Service panel ................................................................................................................................
49
3
INSTALLATION INSTRUCTIONS ................................................................................................................16
3.1 General warnings ..................................................................................................................................16
3.2 Installation standards ............................................................................................................................16
3.3 Preventive system verification and adjustment operations ...................................................................16
3.4 Packaging ..............................................................................................................................................17
3.4 Positioning the boiler .............................................................................................................................18
3.6 Flue gas exhaust pipe connection .........................................................................................................19
3.7 Connections ..........................................................................................................................................
22
3.8 Filling the system ...................................................................................................................................
23
3.9 Electrical connections ............................................................................................................................
24
3.10 Commissioning ................................................................................................................................... 26
3.11 Measurement of combustion efficiency during installation ....................................................................
27
3.11.1 Calibration function activation ...................................................................................................
27
3.11.2 Probes positioning ....................................................................................................................
28
3.12 Burner adjustment .................................................................................................................................
29
3.12.1 Combustion adjustment function activation ..............................................................................30
3.12.3 Adaptation of the power to the heating system .........................................................................31
1 GENERAL INFORMATION .............................................................................................................................
4
1.1 General warnings ....................................................................................................................................
4
1.2 Symbols used in the manual ...................................................................................................................
5
1.3 Appropriate use of appliance ...................................................................................................................
5
1.4 Information for system manager ..............................................................................................................
5
1.5 Safety warnings .......................................................................................................................................6
1.6 Technical data plate ................................................................................................................................
7
1.7 Water treatment .......................................................................................................................................
8
1.8 Boiler antifreeze protection ......................................................................................................................
8