Emerson Liebert CW Bedienungsanleitung Seite 10
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Liebert
®
CW
™
2
NOTICE
Risk of clogged or leaking drain lines. Can cause equipment and building damage.
This unit requires a water drain connection. Drain lines must be inspected regularly and
maintenance must be performed to ensure that drain water runs freely through the drain
system and that lines are clear and free of obstructions and in good condition with no visible
sign of damage or leaks. This unit may also require an external water supply to operate.
Improper installation, application and service practices can result in water leakage from the
unit. Water leakage can result in severe property damage and loss of critical data center
equipment.
Do not locate unit directly above any equipment that could sustain water damage.
Emerson recommends installing leak detection equipment for unit and supply lines.
NOTICE
Risk of a leaking coil due to freezing and/or corrosion. Can cause equipment and serious
building damage.
Cooling coils and piping systems that are connected to open cooling towers or other open
water/glycol systems are at high risk for freezing and premature corrosion. Fluids in these
systems must contain the proper antifreeze and inhibitors to prevent freezing and premature
coil corrosion. The water or water/glycol solution must be analyzed by a competent water
treatment specialist before startup to establish the inhibitor requirement. The water or
water/glycol solution must be analyzed every six months to determine the pattern of inhibitor
depletion. The complexity of water-caused problems and their correction makes it important
to obtain the advice of a water treatment specialist and follow a regularly scheduled
maintenance program.
NOTICE
Risk of overhead interference. Can cause unit and/or building damage.
The unit may be too tall to fit through a doorway while on the skid. Measure the unit and
doorway heights and refer to the installation plans to verify clearances prior to moving the
unit.
NOTICE
Risk of damage from forklift. Can cause unit damage.
Keep tines of the forklift level and at a height suitable to fit below the skid and/or unit to
prevent exterior and/or underside damage.
NOTICE
Risk of improper storage. Can cause unit damage.
Keep the Liebert CW upright, indoors and protected from dampness, freezing temperatures
and contact damage.
- Precision Cooling 1
- 2
- TABLE OF CONTENTS 3
- SAVE THESE INSTRUCTIONS 9
- 1.0 LIEBERT CW NOMENCLATURE 11
- 026 D C S A 2 1234 A 11
- 2.1 Room Preparation 12
- 2.2 Location Considerations 12
- DIRECT UNIT DUCTING 13
- PLENUM DUCTING 13
- Pre-Installation Guidelines 14
- 2.7 Operating Conditions 15
- Table 1 Shipping dimensions 16
- Table 2 Shipping weights 16
- Source: DPN001659, Rev. 1 17
- Pg. 1, Rev. 0 18
- Pg. 2, Rev. 0 19
- Source: DPN001660, Rev. 0 20
- Pg. 4, Rev. 0 22
- Source: DPN001707, Rev. 2 23
- DPN002432 24
- DPN002386 25
- Pg. 1, Rev. 1 25
- REAR AIR RETURN MODEL 26
- Pg. 2, Rev. 1 26
- DPN002387 27
- Return Air Filter Opening 28
- Source: DPN001661, Rev. 0 30
- Source: DPN00209, Rev. 0 32
- Source: DPN002027, Rev. 0 33
- 27 Liebert 35
- Detail A 36
- Source: DPN001676, Rev. 0 37
- Source: DPN001677, Rev. 0 38
- Source: DPN002385, Rev. 1 39
- Source: DPN001678, Rev. 0 40
- Source: DPN001679, Rev. 0 41
- Source: DPN002384, Rev. 0 42
- 35 Liebert 43
- SAFETY INFORMATION 44
- 4.2 Unpacking the Unit 45
- 4.2.3 Removing Piano Jacks 47
- 41 Liebert 49
- 5.0 EC FANS 50
- DETAIL A 51
- Section 51
- Application 52
- 45 Liebert 53
- Pg. 9, Rev. 0 61
- Detail B 64
- Clamp Reference 64
- (use as many 64
- 57 Liebert 65
- Figure 56 EC fan wire routing 67
- Typical Both Fans 68
- The wire termination torque 69
- 6.0 ELECTRICAL CONNECTIONS 73
- Electrical Connections 74
- DPN001670 75
- Pg. 2, Rev. 3 75
- DPN001671 76
- Pg. 1, Rev. 6 76
- Pg. 2, Rev. 6 77
- DPN001673 79
- Pg. 1, Rev. 3 79
- DPN001675 82
- DPN001699 84
- Pg. 3, Rev. 4 84
- 77 Liebert 85
- 7.0 PIPING 89
- INCORRECT 90
- INCORRECTINCORRECT 90
- 7.2 Chilled Water Piping 92
- 85 Liebert 93
- 8.0 PIPING SCHEMATICS 94
- DPN001657 95
- Pg. 2, Rev. 2 95
- Source: DPN002034, Rev. 1 98
- Source: DPN001628, Rev. 5 99
- Source: DPN001693, Rev. 2 100
- Source: DPN002434, Rev. 0 101
- Source: DPN001666, Rev. 0 102
- Source: DPN001667, Rev. 0 103
- Piping Schematics 104
- Source: DPN001668, Rev. 0 105
- DPN001669 106
- 9.3 Piping 107
- 9.4 Other 107
- 9.2 Electrical 107
- INSPECTION 108
- 10.3 Startup 109
- 11.0 TROUBLESHOOTING 110
- 12.0 MAINTENANCE 113
- 12.2 Filters 114
- 12.4 Blower Package—EC Fans 115
- 12.5 Humidifier 116
- Correct Switch Orientation 117
- Incorrect Switch Orientation 117
- DPN000996 117
- Maintenance 118
- Infrared Bulbs 118
- Controls 119
- Replacing the Canister 120
- Circuit Board Adjustments 122
- Source: 183116, Rev. 2 123
- 12.7.1 Condensate Drain 124
- 12.7.2 Condensate Pump 124
- Blower Section 125
- Steam Generating Humidifier 125
- Infrared Humidifier 125
- Drain Piping 126
- Condensate Pump 126
- Electrical Panel 126
- 123 Liebert 131
- Fan Deck Bolt 131
- Locations 131
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