Operating Instructions ACU
3.4 Transfer to place of installation ....................................................................... 25
3.5 Unpacking the device ....................................................................................... 25
3.6 Bringing the device into installation position .................................................. 25
3.6.1 Sizes 1 through 6 ..................................................................................................... 25
3.6.2 Sizes 7 and 8 ........................................................................................................... 25
4 Scope of supply ............................................................................................................ 27
4.1 Sizes 1 and 2: ACU 201 (up to 3.0 kW) and 401 (up to 4.0 kW) ...................... 27
4.2 Sizes 3 and 4: ACU 201 (4.0 to 9.2 kW) and 401 (5.5 to 15.0 kW) .................. 28
4.3 Size 5 ACU 401 (18.5 to 30.0 kW) .................................................................... 29
4.4 Size 6 ACU 401 (37.0 to 65.0 kW) .................................................................... 30
4.5 Size 7 ACU 401 (75.0 to 132.0 kW) .................................................................. 31
5 Technical data .............................................................................................................. 32
5.1 General technical data...................................................................................... 32
5.2 Technical Data – Control Electronic Equipment ............................................... 33
5.3 ACU 201 Size 1 (0.25 to 1.1 kw, 230 V) ........................................................... 35
5.4 ACU 201 Size 2 (1.5 to 3.0 kW, 230 V) ............................................................. 36
5.5 ACU 201 sizes 3 and 4 (4.0 to 9.2 kW, 230 V) .................................................. 37
5.6 ACU 401 Size 1 (0.25 to 1.5 kW, 400 V) ........................................................... 38
5.7 ACU 401 Size 2 (1.85 to 4.0 kW, 400 V) ........................................................... 39
5.8 ACU 401 sizes 3 and 4 (5.5 to 15.0 kW, 400 V) ................................................ 40
5.9 ACU 401 Size 5 (18.5 to 30.0 kW, 400 V) ......................................................... 41
5.10 ACU 401 Size 6 (37.0 to 65.0 kW, 400 V) ......................................................... 42
5.11 ACU 401 Size 7 (75.0 to 132.0 kW, 400 V) ....................................................... 43
5.12 Operation diagrams .......................................................................................... 44
6 Mechanical installation ................................................................................................ 46
6.1 Air circulation ................................................................................................... 46
6.2 Sizes 1 and 2: ACU 201 (up to 3.0 kW) and 401 (up to 4.0 KW) ...................... 46
6.3 Sizes 3 and 4: ACU 201 (4.0 to 9.2 kW) and 401 (5.5 to 15.0 kW) .................. 48
6.4 Size 5: ACU 401 (18.5 to 30.0 kW) ................................................................... 49
6.5 Size 6: ACU 401 (37.0 to 65.0 kW) (air-cooled) ............................................... 50
6.6 Size 7: ACU 401 (75.0 to 132.0 kW) ................................................................. 51
7 Electrical installation .................................................................................................... 52
7.1 EMC information ............................................................................................... 54
7.2 Block diagram ................................................................................................... 56
7.3 Optional components ....................................................................................... 57
7.4 Connection of Unit ............................................................................................ 58
7.4.1 Dimensioning of conductor cross-section .................................................................... 58
7.4.1.1 Typical cross-sections Size 1 through 7 (0.25 kW … 132 kW) ...............................58
7.4.2 Mains connection ...................................................................................................... 60
7.4.3 Motor connection ...................................................................................................... 60