Ariston NIMBUS PLUS 70 S EXT - Page 45

45 / GB
INDEX
Overview
Safety regulations ............................................................................................. 38
Characteristics of the water supplied to the appliance ...................... 41
System description
System compositions ...................................................................................... 49
Weights and dimensions ................................................................................ 42
Overall view ........................................................................................................ 43
Thermodynamic performance of
External unit in heating/cooling mode ...................................................... 44
Technical data ................................................................................................... 44
System interface ............................................................................................... 46
Installation guide
Before installing the appliance......................................................................47
External unit
Choice of placement........................................................................................ 47
Minimum distances to installation ............................................................. 47
Opening procedure for lateral passages ................................................... 48
Internal unit
Minimum clearance ......................................................................................... 49
Opening procedure for lateral passages ................................................... 49
Safety valve drain ............................................................................................. 49
Connections between internal unit
And external unit ............................................................................................... 50
Hydraulic fi ttings
Internal unit 1 zone .......................................................................................... 51
Internal unit 2 zone .......................................................................................... 51
Electrical wiring
Electrical circuit ................................................................................................. 52
External unit electrical connection ............................................................. 53
Electrical connections of the internal unit ............................................... 54
Electrical scheme .............................................................................................. 55
Installation of system interface ................................................................... 56
Setting
Setting of parameters ..................................................................................... 58
Thermoregulation ............................................................................................. 60
Menu table .......................................................................................................... 62
Maintenance
General remarks ................................................................................................ 69
Functional test ................................................................................................... 69
Antifreeze function .......................................................................................... 60
Restoring operation.......................................................................................... 70
Table of error codes (pac external unit) ................................................... 70
Data plate ............................................................................................................ 71