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

3

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HP 403349-003 manual Contents