Unical NUA, Installation And Maintenance Instructions Manual

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1 GENERAL INFORMATION ...................................................................................................................................................................... 4
1.1 - General warnings ...............................................................................................................................................................................................................4
1.2 - Normative references.........................................................................................................................................................................................................4
1.3 - Supplied accessories .........................................................................................................................................................................................................5
1.4 - Symbols used in the manual ..............................................................................................................................................................................................5
1.5 - Safety warnings .................................................................................................................................................................................................................6
1.5.1 - General safety measures .....................................................................................................................................................................................6
1.5.2 - Safety measures, warnings for the installer ..........................................................................................................................................................9
1.5.3 - Safety measures, warnings for the maintenance engineer ................................................................................................................................10
2 TECHNICAL CHARACTERISTICS AND DIMENSIONS ..................................................................................................................... 12
2.1 - Technical features ............................................................................................................................................................................................................12
2.2 - Dimensions and connections ..........................................................................................................................................................................................12
2.3 - Technical data ..................................................................................................................................................................................................................14
2.3.1 - Warranty ............................................................................................................................................................................................................16
3 UNPACKING AND POSITIONING ........................................................................................................................................................ 17
3.1 - Preparation and unpacking ..............................................................................................................................................................................................17
3.2 - Handling ...........................................................................................................................................................................................................................17
3.3 - Positioning .......................................................................................................................................................................................................................18
3.4 - Minimum safety distances and intervention .....................................................................................................................................................................19
3.5 - Fuel ..................................................................................................................................................................................................................................20
3.5.1 - Fuel characteristics .............................................................................................................................................................................................20
3.5.2 - Pellet Storage .....................................................................................................................................................................................................20
3.5.3 - Pellet load ...........................................................................................................................................................................................................20
4 INSTALLATION ...................................................................................................................................................................................... 21
4.1 - Preconditions ...................................................................................................................................................................................................................21
4.2 - General rules ...................................................................................................................................................................................................................21
4.3 - Ventilation and aeration of installation rooms ..................................................................................................................................................................21
4.4 - Smoke exhaust ................................................................................................................................................................................................................22
4.5 - Chimney ...........................................................................................................................................................................................................................22
4.5.1 - Technical features ..............................................................................................................................................................................................22
4.5.2 - Dimensioning ......................................................................................................................................................................................................24
4.5.3 - Maintenance .......................................................................................................................................................................................................24
4.5.4 - Flue gas duct ......................................................................................................................................................................................................24
4.5.5 - Chimney .............................................................................................................................................................................................................24
4.5.6 - Examples of correct installation .........................................................................................................................................................................24
4.6 - Hermetic installation.........................................................................................................................................................................................................25
4.6.1 - Combustion air ...................................................................................................................................................................................................25
4.6.2 - Smoke evacuation system ..................................................................................................................................................................................25
4.7 - Wiring diagram and connections
........................................................................................................................................... 25
4.7.1 - Electrical connection ...........................................................................................................................................................................................25
4.7.2 - Electrical power supply .......................................................................................................................................................................................25
4.8 - Wiring diagram ...............................................................................................................................................................................................................26
4.8.1 - Electrical connection diagram .............................................................................................................................................................................26
4.9 - Notes for proper functioning.............................................................................................................................................................................................27
4.10 - Stove safety devices
....................................................................................................................................................................................................27
4.10.1 - Flue gas exhaust safety ....................................................................................................................................................................................27
4.10.2 - Overpressure safety in combustion chamber ...................................................................................................................................................27
4.10.3 - Pellet hopper over-temperature thermostat safety device ................................................................................................................................28
4.10.4 - Electrical overcurrent protection .......................................................................................................................................................................28
4.10.5 - Smoke extractor speed control safety ..............................................................................................................................................................28
5 USE .......................................................................................................................................................................................................... 29
5.1 - PA M Radio Control and Console
‘‘U-In Plus’’ ......................................................................................................................................................................................................................29
5.1.1 - PA M Radio control ..............................................................................................................................................................................................29
5.1.2 - “U-In Plus” console .............................................................................................................................................................................................30
5.1.3 - Radio control display features and functions ......................................................................................................................................................31
5.1.4 - Radio control display icons and texts .................................................................................................................................................................31
5.1.5 - Battery management radio control .....................................................................................................................................................................31
5.1.6 - Stove management in the absence of radio control ...........................................................................................................................................32
5.1.7 - Radio control precautions, tips and positioning ..................................................................................................................................................32
5.1.8 - Radio control: tuning ...........................................................................................................................................................................................32
5.2 - General (user) menu ........................................................................................................................................................................................................33
5.2.1 - Description ..........................................................................................................................................................................................................33
5.2.2 - Submenu list .......................................................................................................................................................................................................33
5.3 - Commissioning ................................................................................................................................................................................................................39
5.3.1 - Recommendations and tips ................................................................................................................................................................................39
5.3.2 - Preventive checks .............................................................................................................................................................................................39
5.3.3 - Commissioning settings ......................................................................................................................................................................................40
5.3.4 - Ignition and logic .................................................................................................................................................................................................42
5.4 - Room thermostat .............................................................................................................................................................................................................42
5.5 - Air sanitisation (optional) ..................................................................................................................................................................................................43
5.6 - Room air sanitiser (optional)The stove can be equipped with an integrated sanitisation system located at the rear. .....................................................43
6 INSPECTION AND MAINTENANCE ..................................................................................................................................................... 45
6.1 - Maintenance ....................................................................................................................................................................................................................45
6.1.1 - General info ........................................................................................................................................................................................................45
6.2 - Routine cleaning carried out by the user .........................................................................................................................................................................45
6.2.1 - Surface and cladding cleaning ...........................................................................................................................................................................45
6.2.2 - Cleaning the pellet hopper ..................................................................................................................................................................................45
6.2.3 - Brazier, combustion chamber walls
and flue gas diverter: ............................................................................................ 45
6.2.4 - Ash collection compartment ................................................................................................................................................................................46
6.2.5 - Fire door glass ....................................................................................................................................................................................................46
6.3 - Extraordinary cleaning carried out by a qualified technician ............................................................................................................................................47
6.4 - Decommissioning
(end of season) ..............................................................................................................................................................................................................48
6.5 - Troubleshooting .............................................................................................................................................................................................................49
6.5.1 - Troubleshooting table .........................................................................................................................................................................................49
6.5.2 - Troubleshooting table .........................................................................................................................................................................................51
6.6 - Recommendations for the correct disposal of the product .............................................................................................................................................54
General information
Technical Features
Installation instructions
use and maintenance