Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual page 5

6.2.1.5 DSW5 ........................................................................................53
6.2.1.6 DSW6 ........................................................................................53
6.2.1.7 DSW7 ........................................................................................53
6.2.1.8 LED indication ...........................................................................53
6.2.2 Water cycle PCB .....................................................................................54
6.2.2.1 DSW1 ........................................................................................54
6.2.2.2 DSW2 ........................................................................................54
6.2.2.3 DSW3 ........................................................................................54
6.2.2.4 DSW4 ........................................................................................55
6.2.2.5 DSW5 ........................................................................................56
6.2.2.6 DSW6 (only if available) ...........................................................56
6.2.2.7 DSW7 ........................................................................................57
6.2.2.8 DSW15 & RSW2 ........................................................................57
6.2.2.9 DSW16 & RSW1 ........................................................................57
6.2.2.10 DSW18 ....................................................................................57
6.2.2.11 SSW1 .......................................................................................58
6.2.2.12 SSW2 .......................................................................................58
6.2.2.13 LED indication .........................................................................58
7. Commissioning .........................................................................................................59
7.1 Before operation ..............................................................................................60
7.2 Preliminary check ............................................................................................60
7.2.1 Checking the unit ...................................................................................60
7.2.2 Electrical checking .................................................................................60
7.2.3 Hydraulic circuit checking (space heating and DHW) ...........................61
7.2.4 Checking the refrigerant circuit .............................................................61
7.2.5 Test and check .......................................................................................62
PMEN0657 rev.0 - 02/2024
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