Table of Contents
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2.9
Indoor Unit Control Panel ...........................................................................................................................................................................66
2.10 System use ......................................................................................................................................................................................................67
2.11 Information menu ........................................................................................................................................................................................68
2.12 Fault and anomaly signals ............................................................................................................................................................................69
2.13 Appliance switch-off ....................................................................................................................................................................................76
2.14 Restore central heating system pressure .....................................................................................................................................................76
2.15 Draining the system .....................................................................................................................................................................................76
2.16 Emptying the D.H.W. circuit .......................................................................................................................................................................77
2.17 Antifreeze protection ...................................................................................................................................................................................77
2.18 Prolonged inactivity .....................................................................................................................................................................................77
2.19 Cleaning the case ..........................................................................................................................................................................................77
2.20 Permanent shutdown ...................................................................................................................................................................................77
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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 .......................................................................................................................................................................................84
3.5
Wiring diagram ............................................................................................................................................................................................85
3.6
P.C.B. programming ....................................................................................................................................................................................86
3.7
Troubleshooting ...........................................................................................................................................................................................91
3.8
Converting the appliance to other types of gas ..........................................................................................................................................92
3.9
Fan speed calibration ...................................................................................................................................................................................93
/O
regulation ........................................................................................................................................................................................94
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3.11 Checks following conversion to another type of gas..................................................................................................................................94
3.12 Indoor unit P.C.B. programming ................................................................................................................................................................95
3.13 Password-protected special functions .....................................................................................................................................................101
3.14 Automatic vent function (dl) .....................................................................................................................................................................102
3.15 Flue installation (FU) .................................................................................................................................................................................102
3.16 Maintenance function (MA) .....................................................................................................................................................................102
3.17 Screed heater ...............................................................................................................................................................................................103
3.18 Chimney sweep ...........................................................................................................................................................................................104
3.19 Solar panels coupling..................................................................................................................................................................................105
3.20 Pump anti-block .........................................................................................................................................................................................105
3.21 Three-way anti-block .................................................................................................................................................................................105
3.22 Radiator antifreeze .....................................................................................................................................................................................105
3.23 Ambient antifreeze .....................................................................................................................................................................................105
3.24 Operating logic ...........................................................................................................................................................................................106
3.25 Casing removal ...........................................................................................................................................................................................107
4
Technical data .........................................................................................................................................................................111
4.1
Variable heat output ...................................................................................................................................................................................111
4.2 Combustion parameters ............................................................................................................................................................................113
4.3 Indoor unit technical data table ................................................................................................................................................................114
4.4
Outdoor unit technical data table .............................................................................................................................................................115
4.5 Product fiche (in compliance with Regulation 811/2013) .......................................................................................................................117
4.6
Parameters for filling in the package fiche ................................................................................................................................................121
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