Alpha Pro Tec 90NX Design, Installation And Servicing Instructions page 3

2 Instructions for use and maintenance ..................................................................................................................................... 55
2.1 General recommendations ..........................................................................................................................................................................55
2.2 Cleaning and maintenance ..........................................................................................................................................................................56
2.3 Control panel ................................................................................................................................................................................................57
2.4 Using the appliance ......................................................................................................................................................................................58
2.5 Weekly schedule ...........................................................................................................................................................................................60
2.6 Eco ..................................................................................................................................................................................................................60
2.7 Holidays ...........................................................................................................................................................................................................6
2.8 User menu ......................................................................................................................................................................................................62
2.9 Fault and anomaly signals ............................................................................................................................................................................71
2.10 Appliance switch-off ....................................................................................................................................................................................76
2.11 Restore central heating system pressure .....................................................................................................................................................76
2.12 Draining the system .....................................................................................................................................................................................76
2.13 Antifreeze protection ...................................................................................................................................................................................77
2.14 Prolonged inactivity .....................................................................................................................................................................................77
2.15 Cleaning the case ..........................................................................................................................................................................................77
2.16 Permanent shutdown ...................................................................................................................................................................................77
3 Instructions for maintenance and initial check ....................................................................................................................... 78
3.1 General recommendations ..........................................................................................................................................................................78
3.2 Initial check ...................................................................................................................................................................................................79
3.3 Yearly appliance check and maintenance ...................................................................................................................................................80
3.4 Hydraulic diagram .......................................................................................................................................................................................82
3.5 Wiring diagram ............................................................................................................................................................................................83
3.6 Troubleshooting ...........................................................................................................................................................................................87
3.7 Technical menu .............................................................................................................................................................................................88
3.8 P.C.B. programming ..................................................................................................................................................................................107
3.9 Converting the appliance to other types of gas ........................................................................................................................................108
3.10 CO /O regulation ......................................................................................................................................................................................110
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3.11 Chimney sweep ...........................................................................................................................................................................................111
3.12 CH output adjustment ................................................................................................................................................................................111
3.13 Output adjustment during DHW (only in combination with an optional external storage tank) .....................................................111
3.14 Pump antilock, 3-way valve and mixing valve (Optionals) ....................................................................................................................111
3.15 Antifreeze ....................................................................................................................................................................................................112
3.16 Gasket assembly on manifold ....................................................................................................................................................................112
3.17 Assembling the manifold on the condensation module .........................................................................................................................113
3.18 Replacing the manifold insulation panel .................................................................................................................................................114
3.19 Casing removal ...........................................................................................................................................................................................114
4 Technical data .........................................................................................................................................................................118
4.1 Variable heat output ...................................................................................................................................................................................118
4.2 Combustion parameters ........................................................................................................................................................................... 120
4.3 Technical data table ....................................................................................................................................................................................122
4.4 Data plate .....................................................................................................................................................................................................123
4.5 Technical parameters for combination boilers (in compliance with Regulation 813/2013) .............................................................. 124
4.6 Product fiche (in compliance with Regulation 811/2013) ...................................................................................................................... 126
4.7 Parameters for filling in the package fiche ................................................................................................................................................127
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