Ariston NIMBUS PLUS M NET Manual page 53

INDEX
Overview
Safety regulations .................................................................................. 54
Characteristics of the water supplied to the appliance ............. 56
System description
System compositions ............................................................................ 57
Weights and dimensions (mm) ........................................................... 57
Overall view ............................................................................................. 58
Thermodynamic performance of
External unit in heating/cooling mode ............................................. 61
System interface ..................................................................................... 63
Installation guide
EXTERNAL UNIT
Before installing the appliance .......................................................... 64
Choice of placement ............................................................................. 64
Minimum distances to installation .................................................... 64
Opening procedure for lateral passages ....................................... 65
Removal of frontal panel ...................................................................... 65
INTERNAL UNIT
Minimum clearance .............................................................................. 66
Fitting the tray and removing the front panel ............................... 66
Safety valve drain ................................................................................... 66
Flling system ............................................................................................ 67
Expansion vessel ................................................................................... 67
Preparing for startup of the heating/cooling system .................. 67
Hydraulic connections on indoor module ...................................... 68
Final installation of the whole system .............................................. 69
Electrical wiring
Electrical circuit .........................................................................................71
Table of electrical connections ............................................................71
External Unit electrical connection ....................................................73
Internal Unit electrical connection .....................................................74
Electrical connections between internal and external unit ...... 75
Electrical scheme ................................................................................... 76
Installation of system interface ........................................................... 81
Setting
Ignition procedure ................................................................................. 83
Technical area access .......................................................................... 83
Thermoregulation .................................................................................. 87
Menu table ............................................................................................... 89
Maintenance
General remarks ..................................................................................... 97
Information for the user ........................................................................ 97
Antifreeze function ................................................................................ 97
Internal unit error list. ............................................................................ 98
External unit error list ............................................................................ 99
Inverter error list ................................................................................... 100
Data plate .................................................................................................101
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