REV : 5
REV DATE : 6/19
DPN001693
Page :1 /1
CW146 & CW181 DOWNFLOW MODELS W/ EC FANS
F
or
m
N
o.
: D
P
N
00
10
40
_R
E
V
4
PRIMARY CONNECTION LOCATIONS
LIEBERT CW
FRONT OF UNIT
FRONT VIEW
SECTION A-A
ALL DIMENSIONS FROM
REAR CORNER OF UNIT
INCLUDING PANELS
E2
HUM
CD
LV1
LV2
O
X
Y
A
A
CWS
CWR
47"
1194mm
122"
3099mm
LV3
E1
POINT
DESCRIPTION
X
Y
CONNECTION SIZE / OPENING
CONDENSATE DRAIN
110" (2794mm)
35" (889mm)
1-1/4" NPT Female
W/ OPTIONAL PUMP
110" (2794mm)
35" (889mm)
1/2" O.D. Cu
HUM
HUMIDIFIER SUPPLY LINE
101" (2565mm)
43" (1092mm)
1/4" O.D. Cu
2-WAY CHILLED WATER SUPPLY
117" (2972mm)
37" (940mm)
3-1/8"
3-WAY CHILLED WATER SUPPLY
117" (2972mm)
37" (940mm)
3-1/8"
2-WAY CHILLED WATER RETURN
117" (2972mm)
30" (762mm)
3-1/8"
3-WAY CHILLED WATER RETURN
117" (2972mm)
30" (762mm)
3-1/8"
E1
ELECTRICAL CONN. (HIGH VOLT)
113" (2870mm)
43" (1092mm)
2"
E2
ELECTRICAL CONN. (HIGH VOLT)
110" (2794mm)
43" (1092mm)
2"
LV1
ELECTRICAL CONN. (LOW VOLT)
2-1/2" (64mm)
36" (914mm)
7/8"
LV2
ELECTRICAL CONN. (LOW VOLT)
2-1/2" (64mm)
37-1/2" (953mm)
7/8"
LV3
ELECTRICAL CONN. (LOW VOLT)
2-1/2" (64mm)
39" (991mm)
7/8"
CD
CWS
CWR
*
Notes:
1. Drawing not to scale. Tolerance on all piping dimensions is ± (13mm) 1/2".
2. Field pitch Condensate Drain line a minimum of 1/8" (3.2 mm) per foot (305 mm). All units contain a factory installed condensate trap. Do not trap
external to the unit. Select appropriate drain system materials. The drain line must comply with all local codes.
2
Blower
Outlet
Blower
Outlet
Blower
Outlet
Summary of Contents for Liebert CW 038
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