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Precision Cooling
1
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2
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TABLE OF CONTENTS
3
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SAVE THESE INSTRUCTIONS
9
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1.0 LIEBERT CW NOMENCLATURE
11
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026 D C S A 2 1234 A
11
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2.1 Room Preparation
12
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2.2 Location Considerations
12
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DIRECT UNIT DUCTING
13
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PLENUM DUCTING
13
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Pre-Installation Guidelines
14
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2.7 Operating Conditions
15
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Table 1 Shipping dimensions
16
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Table 2 Shipping weights
16
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Source: DPN001659, Rev. 1
17
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Pg. 1, Rev. 0
18
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Pg. 2, Rev. 0
19
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Source: DPN001660, Rev. 0
20
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Pg. 4, Rev. 0
22
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Source: DPN001707, Rev. 2
23
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DPN002432
24
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DPN002386
25
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Pg. 1, Rev. 1
25
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REAR AIR RETURN MODEL
26
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Pg. 2, Rev. 1
26
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DPN002387
27
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Return Air Filter Opening
28
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Source: DPN001661, Rev. 0
30
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Source: DPN00209, Rev. 0
32
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Source: DPN002027, Rev. 0
33
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27 Liebert
35
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Detail A
36
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Source: DPN001676, Rev. 0
37
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Source: DPN001677, Rev. 0
38
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Source: DPN002385, Rev. 1
39
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Source: DPN001678, Rev. 0
40
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Source: DPN001679, Rev. 0
41
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Source: DPN002384, Rev. 0
42
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35 Liebert
43
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SAFETY INFORMATION
44
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4.2 Unpacking the Unit
45
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4.2.3 Removing Piano Jacks
47
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41 Liebert
49
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5.0 EC FANS
50
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DETAIL A
51
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Section
51
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Application
52
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45 Liebert
53
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Pg. 9, Rev. 0
61
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Detail B
64
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Clamp Reference
64
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(use as many
64
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57 Liebert
65
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Figure 56 EC fan wire routing
67
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Typical Both Fans
68
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The wire termination torque
69
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6.0 ELECTRICAL CONNECTIONS
73
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Electrical Connections
74
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DPN001670
75
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Pg. 2, Rev. 3
75
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DPN001671
76
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Pg. 1, Rev. 6
76
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Pg. 2, Rev. 6
77
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DPN001673
79
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Pg. 1, Rev. 3
79
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DPN001675
82
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DPN001699
84
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Pg. 3, Rev. 4
84
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77 Liebert
85
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7.0 PIPING
89
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INCORRECT
90
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INCORRECTINCORRECT
90
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7.2 Chilled Water Piping
92
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85 Liebert
93
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8.0 PIPING SCHEMATICS
94
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DPN001657
95
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Pg. 2, Rev. 2
95
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Source: DPN002034, Rev. 1
98
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Source: DPN001628, Rev. 5
99
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Source: DPN001693, Rev. 2
100
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Source: DPN002434, Rev. 0
101
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Source: DPN001666, Rev. 0
102
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Source: DPN001667, Rev. 0
103
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Piping Schematics
104
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Source: DPN001668, Rev. 0
105
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DPN001669
106
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9.3 Piping
107
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9.4 Other
107
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9.2 Electrical
107
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INSPECTION
108
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10.3 Startup
109
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11.0 TROUBLESHOOTING
110
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12.0 MAINTENANCE
113
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12.2 Filters
114
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12.4 Blower Package—EC Fans
115
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12.5 Humidifier
116
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Correct Switch Orientation
117
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Incorrect Switch Orientation
117
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DPN000996
117
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Maintenance
118
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Infrared Bulbs
118
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Controls
119
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Replacing the Canister
120
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Circuit Board Adjustments
122
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Source: 183116, Rev. 2
123
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12.7.1 Condensate Drain
124
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12.7.2 Condensate Pump
124
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Blower Section
125
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Steam Generating Humidifier
125
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Infrared Humidifier
125
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Drain Piping
126
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Condensate Pump
126
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Electrical Panel
126
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123 Liebert
131
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Fan Deck Bolt
131
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Locations
131
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