4
7.12 Water filter ......................................................................................................... 33
7.13 Safety valve ........................................................................................................34
7.14 Loading the plant .............................................................................................34
8. Electrical connections .............................................................................................. 35
8.1 Prerequisites .....................................................................................................35
8.2 Cable inlet ..........................................................................................................36
8.3 Connecting the power supply .........................................................................37
8.4 External component connections ...................................................................40
8.5 one thermostat .................................................................................................46
8.6 SMART GRID - Photovoltaic management ..................................................... 48
9. Starting up the system............................................................................................. 49
9.2 SYSTEM CONFIGURATION ...............................................................................51
10. Start-up ...................................................................................................................... 52
10.1 Opening the “For serviceman” menu .............................................................52
10.2 Function test of actuators ...............................................................................52
10.3 Air vent ...............................................................................................................52
10.4 Test of operating modes .................................................................................. 53
10.5 Checking the minimum flow-rate ...................................................................53
11. Maintenance ............................................................................................................. 54
11.1 Prerequisites .....................................................................................................54
11.3 Unit booklet ....................................................................................................... 56
11.4 Standby mode ...................................................................................................56
11.5 Emptying the system........................................................................................56
11.6 Cleanliness of the structure ............................................................................56
11.7 Air side exchanger ............................................................................................56
11.8 Water pressure..................................................................................................56
11.9 Water filter ......................................................................................................... 56
11.10 Safety valve ........................................................................................................56
11.11 Unit electrical panel ..........................................................................................56
11.12 Using glycol .......................................................................................................57
12. Decommissioning ..................................................................................................... 58
12.1 Disconnection ...................................................................................................58
13. Residual risks ............................................................................................................ 59
13.1 General ............................................................................................................... 59
13.2 Danger zone ......................................................................................................59
13.3 Handling ............................................................................................................59
13.4 Installation .........................................................................................................59
13.5 Refrigerant ........................................................................................................60
13.6 Hydraulic parts ..................................................................................................60
14. Advanced applications ............................................................................................. 61
14.1 Units connected in cascade ............................................................................. 61
15. Technical data ........................................................................................................... 64
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