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This appliance must be installed by qualifi ed personnel holding a certifi cate of competence in the
handling of refrigerants.
Contents
Description of the equipment 6
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 . . . . . . . . . . . . . . . 17
Installation of the hydraulic unit . . . . . . . . . . . . . . 20
Refrigeration connections 26
Rules and precautions . . . . . . . . . . . . . . . . . . . . . 26
Shaping the refrigeration pipes . . . . . . . . . . . . . . 27
Checks and connection . . . . . . . . . . . . . . . . . . . . 29
Filling with gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Hydraulic connections 32
Heating circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
DHW circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Filling and bleeding the installation . . . . . . . . . . . 33
Electrical connections 34
Cable dimensions and protection rating . . . . . . . 35
Outdoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Hydraulic unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Outside sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Room sensor (option) . . . . . . . . . . . . . . . . . . . . . 38
Controller Interface 40
User interface, central ambient unit (option) and
ambient sensor (option) . . . . . . . . . . . . . . . . . . . . 40
Description of the display . . . . . . . . . . . . . . . . . . 42
Temperature control 44
Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Commissioning 46
PWM pump speed . . . . . . . . . . . . . . . . . . . . . . . . 46
Silent mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Confi guring room thermostat (wireless)(option) . 47
Confi guring room control unit (wireless) (option) .47
Controller Menu 48
List of function lines . . . . . . . . . . . . . . . . . . . . . . . 49 Information display . . . . . . . . . . . . . . . . . . . . . . . 64
Fault Diagnosis 66
Faults in the Hydraulic Unit . . . . . . . . . . . . . . . . . 66
PWM circulator signals . . . . . . . . . . . . . . . . . . . . 67
Faults in the outdoor unit . . . . . . . . . . . . . . . . . . . 68
Waterstage Split Comfort DHW Serie / INSTALLATION / 2125 - EN
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