Hitachi YUTAKI M Bedienungsanleitung Seite 8

6.4.2.11 SSW1 .......................................................................................55
6.4.2.12 SSW2 .......................................................................................55
6.4.2.13 LED indication .........................................................................55
7. Commissioning .........................................................................................................56
7.1 Before operation ..............................................................................................57
7.2 Preliminary check ............................................................................................57
7.2.1 Checking the unit ...................................................................................57
7.2.2 Electrical checking .................................................................................57
7.2.3 Hydraulic circuit checking (space heating and DHW) ...........................58
7.2.4 Checking the refrigerant circuit .............................................................58
7.2.5 Test and check .......................................................................................59
7.3 Commissioning procedure ..............................................................................59
7.4 Test run / air purge ..........................................................................................60
8. Maintenance .............................................................................................................63
8.1 Removing the upper cover ..............................................................................64
8.2 Removing the service cover ............................................................................65
8.3 Removing the front cover ................................................................................66
8.4 Removing the rear cover .................................................................................67
9. ERP Data ....................................................................................................................69
9.1 AVERAGE climate .............................................................................................70
9.2 WARMER climate .............................................................................................71
9.3 COLDER climate ...............................................................................................71
9.4 Additional data ...............................................................................................71
9.5 General ERP data for hot water storage tanks ................................................71
PMEN0647 rev.0 - 11/2023
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