Gebwell GEMINI Installation, Operation And Maintenance Manual page 3

8.9 Change-over valve(s) ............................................................................................................................................................... 23
8.10 Heating circuits ........................................................................................................................................................................ 23
8.11 Domestic hot water's circulation pump .................................................................................................................................... 24
8.12 Connection of external source pump ........................................................................................................................................ 24
8.13 Connection of room unit, QAA74 ............................................................................................................................................ 24
8.14 Room sensor (acceossory) QAA55. ......................................................................................................................................... 24
8.15 Alarm forwarding ..................................................................................................................................................................... 24
8.16 Call for heating 0-10V.............................................................................................................................................................. 24
8.17 External prevention of activation ............................................................................................................................................. 24
8.18 Tariff control ............................................................................................................................................................................ 25
8.19 Installation of extension module .............................................................................................................................................. 25
8.20 Connection of a cascade connection ......................................................................................................................................... 25
8.21 Connection of additional heat source ....................................................................................................................................... 25
9 FILLING AND VENTING .................................................................................................................................................... 27
9.1 Heating system ......................................................................................................................................................................... 27
9.2 Filling the collector, non-pressurised ....................................................................................................................................... 27
9.3 Pressure test of the collector ..................................................................................................................................................... 27
9.4 Venting of the collector's horizontal piping ............................................................................................................................. 27
9.5 Cleaning the collector filter ...................................................................................................................................................... 28
10 ACTIVATING THE HEAT PUMP ...................................................................................................................................... 28
10.1 Before activation ...................................................................................................................................................................... 28
10.2 Activation ................................................................................................................................................................................. 28
10.3 Venting ..................................................................................................................................................................................... 29
10.4 Venting the heat supply circuit ................................................................................................................................................. 30
10.5 Commissioning of an external source pump. ........................................................................................................................... 30
10.6 Use without a collector and use during construction site ......................................................................................................... 30
10.7 Activation of a cascade system ................................................................................................................................................ 31
11 HEAT PUMP OPERATION .................................................................................................................................................. 31
11.1 User interface ........................................................................................................................................................................... 31
11.2 User terminal ............................................................................................................................................................................ 32
11.3 Display symbols ....................................................................................................................................................................... 32
11.4 User levels ................................................................................................................................................................................ 32
11.5 Heating settings ........................................................................................................................................................................ 32
11.6 Selecting heating mode ............................................................................................................................................................ 33
11.7 Domestic hot water settings ..................................................................................................................................................... 34
11.8 Resetting the heat pump ........................................................................................................................................................... 34
12 SITE-SPECIFIC DEFINITION ............................................................................................................................................ 35
12.1 Time and date ........................................................................................................................................................................... 35
12.2 Summer/winter switch connection ........................................................................................................................................... 35
12.3 Language selection ................................................................................................................................................................... 35
12.4 Time programs ......................................................................................................................................................................... 35
12.5 Heating area (Heating circuit) .................................................................................................................................................. 35
12.6 Domestic hot water .................................................................................................................................................................. 36
12.7 Domestic hot water circulation pump ....................................................................................................................................... 37
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