Ariston NIMBUS 40 M EXT Technical Instructions page 54

CONTENTS
OVERVIEW
Safety regulations .................................................................................. 55
Guarantee ................................................................................................. 58
System description ................................................................................ 59
Operating principle ................................................................................ 59
Diagrams ...................................................................................................60
External unit Dimensions and weights ............................................ 64
Hybrid Module Dimensions and weights ....................................... 66
Global view............................................................................................... 67
Availlable pressure ................................................................................ 67
Thermodynamic performance of external unit ............................. 68
Remote control devices ....................................................................... 69
Remote control devices Technical data .......................................... 69
Outdoor sensor ....................................................................................... 69
INSTALLATION GUIDE
Before installing the appliance .......................................................... 70
Chois of placement ............................................................................... 70
Minimum distances to installation (mm) .......................................... 70
Opening procedure for lateral passages .........................................71
Removal of frontal panel ........................................................................71
Hybrid Module Preliminary installation ............................................ 72
Minimum installation distances .......................................................... 72
Removing the front panel .................................................................... 72
Connecting to the boiler ...................................................................... 72
Assembling the condensate drain pipe ...........................................73
Assembling the fitting covers ..............................................................73
Checks ........................................................................................................74
WATER PIPE FITTINGS
Hybrid module .........................................................................................74
ELECTRICAL CONNECTIONS
Electrical circuit ....................................................................................... 75
Table of electrical connections .......................................................... 75
External Unit electrical connection ....................................................77
Electrical connections Hybrid module ............................................ 79
Wiring diagram ........................................................................................80
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PREPARING THE BOILER FOR OPERATION
Installing the system interface firmware ......................................... 83
Display symbols: ..................................................................................... 84
Ignition procedure ................................................................................. 85
Display symbols: ..................................................................................... 85
Technical Area Access ......................................................................... 85
Thermoregulation .................................................................................. 89
REGULATIONS
Menu table ................................................................................................ 91
MAINTENANCE
General remarks .....................................................................................101
User information .....................................................................................101
Anti-freeze function of the external unit .........................................101
Anti-freeze function of the Hybrid module ....................................101
Table of error codes .............................................................................102
Data plate ................................................................................................105
Refrigerant data .....................................................................................105