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2 11/06

TABLE OF CONTENTS

1 Scope of Supply for Devices in "Cold Plate" Variant...................................................... 3

1.1 ACT/ACU 201 (up to 3.0 kW) and ACT/ACU 401 (up to 4.0 kW)............................. 3

1.2 ACT/ACU 201 (4.0 to 9.2 kW) and ACT/ACU 401 (5.5 to 15.0 kW) ........................ 4

1.3 ACT/ACU 401 (18.5 to 30.0 kW).............................................................................. 5

2 Technical data................................................................................................................ 6

2.1 ACT/ACU 201 (0.55 to 3.0 kW, 230 V) .................................................................... 6

2.2 ACT/ACU 201 (4.0 to 9.2 kW, 230 V)....................................................................... 6

2.3 ACT/ACU 401 (0.55 to 4.0 kW, 400 V) .................................................................... 7

2.4 ACT/ACU 401 (5.5 to 15.0 kW, 400 V) .................................................................... 7

2.5 ACT/ACU 401 (18.5 to 30.0 kW, 400 V) .................................................................. 7

3 Range of application ...................................................................................................... 8

4 Thermal properties of the heat sink............................................................................... 9

4.1 Thermal resistance .................................................................................................. 9

4.1.1 ACT/ACU 201 (0.55 to 3.0 kW, 230 V).....................................................................10

4.1.2 ACT/ACU 201 (4.0 to 9.2 kW, 230 V).......................................................................10

4.1.3 ACT/ACU 401 (0.55 to 4.0 kW, 400 V).....................................................................11

4.1.4 ACT/ACU 401 (5.5 to 15.0 kW, 400 V).....................................................................11

4.1.5 ACT/ACU 401 (18.5 to 30.0 kW, 400 V)...................................................................12

4.2 Fan and liquid cooling............................................................................................ 13

5 Application notes .........................................................................................................14

6 Mechanical installation ................................................................................................ 15

6.1 ACT/ACU 201 (up to 3.0 kW) and ACT/ACU 401 (up to 4.0 KW) .......................... 15

6.2 ACT/ACU 201 (4.0 to 9.2 kW) and ACT/ACU 401 (5.5 to 15.0 kW) ...................... 16

6.3 ACT/ACU 401 (18.5 to 30.0 kW)............................................................................ 17

6.4 Installation ............................................................................................................ 18

7 Temperature Monitoring.............................................................................................. 18

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