Ariston NIMBUS COMPACT S NET Manual page 51

INDEX
Overview
Safety regulations .........................................................................................52
Characteristics of the water supplied to the appliance ...................54
System description
System compositions ...................................................................................55
Weights and dimensions ............................................................................55
Overall view .....................................................................................................56
Thermodynamic performance of
External unit in heating/cooling mode .................................................57
System interface ............................................................................................58
Outdoor sensor ..............................................................................................58
Installation guide
External unit
Before installing the appliance .................................................................59
Choice of placement ....................................................................................59
Minimum distances to installation ........................................................59
Opening procedure for lateral passages ...............................................60
Removal of frontal panel ............................................................................60
Internal unit
Minimum clearance .....................................................................................61
Removing the front panel ..........................................................................61
Safety valve drain ..........................................................................................61
Flling system ...................................................................................................61
Expansion vessel ............................................................................................61
Preparing for startup of the heating/cooling system.......................61
Gas connections between internal unit
and external unit ...........................................................................................62
Pipes storage ...................................................................................................62
Air purging .......................................................................................................62
Charging the refrigerant gas .....................................................................62
Refrigerant recover .......................................................................................63
Hydraulic connections on indoor module ...........................................63
Final installation of the whole system ...................................................64
Electrical wiring
Electrical circuit ..............................................................................................67
Table of electrical connections .................................................................67
External unit electrical connection .........................................................69
Internal Unit electrical connection .........................................................70
Electrical connections between internal and external unit ...........71
Electrical scheme ...........................................................................................72
Installation of system interface ................................................................77
Setting
Technical area access ...................................................................................79
Thermoregulation .........................................................................................83
Menu table .......................................................................................................85
Maintenance
General remarks .............................................................................................93
Information for the user ..............................................................................93
Antifreeze function .......................................................................................93
Hydraulic connection...................................................................................93
Internal unit error list ...................................................................................94
External unit error list ..................................................................................95
Data plate .........................................................................................................97
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