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Contents
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Unpacking and supplies . . . . . . . . . . . . . . . . . . . . 6
Defi nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Optional equipment . . . . . . . . . . . . . . . . . . . . . . . . 6
Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . 6
General characteristics . . . . . . . . . . . . . . . . . . . . . 7
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Operating principle . . . . . . . . . . . . . . . . . . . . . . . 14
Installation 16
Installation of refrigeration connections . . . . . . . . 16
Installation of the outdoor unit . . . . . . . . . . . . . . . 18
Installation of the hydraulic unit . . . . . . . . . . . . . . 20
Electrical connections 34
Cable dimensions and protection rating . . . . . . . 35
Electrical connections on the single phase outdoor
unit side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Electrical connections on the 3 phase outdoor unit
side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Electrical connections on the hydraulic unit side . 38
Outside sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Room sensor (option) . . . . . . . . . . . . . . . . . . . . . 42
Controller Interface 46
User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Display Description . . . . . . . . . . . . . . . . . . . . . . . 47
Installer Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Navigating the Menus . . . . . . . . . . . . . . . . . . . . . 48
Modifying Settings . . . . . . . . . . . . . . . . . . . . . . . . 49
Temperature control . . . . . . . . . . . . . . . . . . . . . . 50
This appliance must be installed by qualifi ed personnel holding a certifi cate of competence in the handling
of refrigerants.
Description of the equipment 6
Refrigeration connections 22
Rules and precautions . . . . . . . . . . . . . . . . . . . . . 22
Shaping the refrigeration pipes . . . . . . . . . . . . . . 22
Checks and connection . . . . . . . . . . . . . . . . . . . . 25
Filling the installation with gas . . . . . . . . . . . . . . . 26
Hydraulic connections 30
Connecting the hydraulic unit to the heating circuit . . . 30
Filling and bleeding the installation . . . . . . . . . . . 31
Heating circulation pump speed settings . . . . . . . 32
Commissioning 44
alfea excellia A.I. / Installation / 1876 - EN