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Liebert CW
Vertiv Liebert CW User Manual
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3.4
R
e
movi
ng
th
e
Un
i
t
fr
om
th
e
Ski
d
NOTE:
I
f
y
o
u
do
no
t
fo
l
low
th
ese
s
te
ps
,
dam
age
co
u
l
d
o
ccu
r
to
the
p
anel
s
and
/
o
r
base
o
f
th
e
u
nit
.
1.
R
eferr
in
g
t
o
F
ig
u
re
3.
3
below
,
u
se
a
9/
16-in
.
so
cket
d
riv
er
to
r
emo
v
e
t
h
e
la
g
screw
s
(24
t
o
t
a
l)
from
t
h
e
4
co
r
n
er
br
ac
kets
t
o
d
et
ac
h
t
h
e
u
n
it
from
t
h
e
skid.
Figure
3.3
Remove
co
rner
bra
ck
ets
Ver
tiv
|
L
ieber
t®
C
W™
In
st
aller/
U
ser
G
uid
e
1
6
19
21
Table of Contents
Default Chapter
3
Table of Contents
3
Important Safety Instructions
5
1 Nomenclature and Components
11
Liebert CW Model-Number Nomenclature
11
Component Location
14
2 Pre-Installation Preparation and Guidelines
15
Planning Dimensions
15
Connections and System Setup
16
Operating Conditions
16
Cooling, Dehumidification and Humidification
16
Humidification Control
16
Shipping Dimensions and Unit Weights
16
3 Equipment Inspection and Handling
17
Packaging Material
18
Handling the Unit While Packaged
18
Unpacking the Unit
19
Removing the Unit from the Skid
20
4 Electrical Connections
25
5 Piping Requirements
27
Drain Fluid Connections
28
Field-Installed, Gravity-Fed Drain Line Requirements
28
Condensate-Pump Drain Line Requirements
29
Chilled-Water Loop Piping Guidelines
29
Leak Checking for Unit and Field-Installed Piping
31
6 Checklist for Completed Installation
33
Moving and Placing Equipment
33
Electrical Installation Checks
33
Piping Installation Checks
33
Other Installation Checks
33
7 Initial Start-Up Checks and Commissioning Procedure for Warranty Inspection
35
8 Maintenance
37
Filters
38
Replacing the Filters
39
Fan Maintenance
40
Fan Assembly Troubleshooting
40
Fan Impellers
41
Blower-Motor Lubrication
41
Removing Fan Assembly
42
Condensate-Drain and Condensate-Pump System Maintenance
42
Condensate Drain
42
Condensate Pump
42
Preventive Maintenance Checklist
43
Appendices
47
Appendix B: Submittal Drawings
49
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Vertiv Liebert CW Specifications
General
Brand
Vertiv
Model
Liebert CW
Category
Control Unit
Language
English
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