Contents

Customer self repair ......................................................................................................................

6

Parts only warranty service .........................................................................................................................

6

Illustrated parts catalog ...............................................................................................................

17

Replaceable spare parts...........................................................................................................................

17

Flow meter repair ....................................................................................................................................

20

Removal and replacement procedures...........................................................................................

22

Removal and replacement procedure overview ...........................................................................................

22

Viewing the spare replacement video ........................................................................................................

22

Customer self repair required tools ............................................................................................................

22

Safety considerations...............................................................................................................................

24

Rack warnings and cautions ...........................................................................................................

24

Preparation procedures............................................................................................................................

24

Powering down the MCS unit..........................................................................................................

24

Shutting off the water .....................................................................................................................

25

AC transfer switch ...................................................................................................................................

26

Removing the AC transfer switch .....................................................................................................

26

Replacing the AC transfer switch .....................................................................................................

28

Air bleeder valve.....................................................................................................................................

31

Removing the air bleeder valve .......................................................................................................

31

Replacing the air bleeder valve .......................................................................................................

32

Air deflector plate ...................................................................................................................................

33

Removing the air deflector plate ......................................................................................................

33

Replacing the air deflector plate ......................................................................................................

34

Air sealing plate......................................................................................................................................

34

Removing the air sealing plate ........................................................................................................

35

Replacing the air sealing plate ........................................................................................................

36

Automatic door release ............................................................................................................................

38

Removing the front automatic door release........................................................................................

38

Replacing the front automatic door release .......................................................................................

39

Removing the rear automatic door release ........................................................................................

41

Replacing the rear automatic door release ........................................................................................

42

Bottom fan unit........................................................................................................................................

44

Removing the bottom fan unit ..........................................................................................................

44

Replacing the bottom fan unit..........................................................................................................

45

Condensation pump and sensors...............................................................................................................

47

Removing the condensation pump and sensors ..................................................................................

47

Replacing the condensation pump and sensors..................................................................................

49

Fan unit .................................................................................................................................................

50

Removing the fan unit.....................................................................................................................

51

Replacing the fan unit ....................................................................................................................

52

Flow meter sensor ...................................................................................................................................

54

Removing the flow meter paddle-wheel sensor...................................................................................

54

Replacing the flow meter paddle-wheel sensor...................................................................................

57

Heat exchanger unit (HEX) with coupler .....................................................................................................

59

Removing the heat exchanger unit with couplers................................................................................

59

Contents

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