Emerson CW026 - Piping Connections-Downflow Models with EC Fans

Piping
Liebert
®
CW
™
System Design Manual 56
5.2 Piping Connections—Downflow Models with EC Fans
Figure 5-4 Primary connection locations, downflow, CW026 – CW041 with EC fans
Point Description X, in (mm) Y, in (mm) Connection Size / Opening, in (mm)
CD
Condensate Drain *
35-1/16 (891) 29-5/16 (745)
3/4 (19) FPT
w/Optional Condensate Pump ** 1/2 (13) Cu Sweat
HUM Humidifier Supply Line 34-9/16 (878) 31 3/8 (797) 1/4 (6) Cu Sweat
CWP
Chilled Water Piping Slot (Center) 43-7/16 (1104) 31-5/8 (803) 9 x 2-1/2 (229 x 64)
Supply and Return Piping Diameter — —
CW026: 1-1/8 (29)
CW038: 1-3/8 (32)
CW041: 1-5/8 (41)
HV High Volt Electrical Connection 37-7/16 (951) 31-5/8 (803) 2-1/2 (64)
LV Low Volt Electrical Connection 35-7/16 (900) 31-5/8 (803) 7/8 (22)
B Blower Outlet Opening 4 (101) 33 (838) 28-1/16 x 31 (714 x 787)
* 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. Drain line may contain boiling water. Select appropriate drain system materials. The drain line must comply
with all local codes.
** Optional Condensate Pump to be field-installed under unit.
FRONT VIEW
NOTE: Drawing not to scale.
Tolerance on
all piping locating
dimensions
± 1/2" (13mm).
FRONT OF UNIT
SECTION A-A
31"
787mm
AIR DISCHARGE
AREA
28 1/16"
714mm
AIR DISCHARGE
AREA
B
0
X
Y
ALL DIMENSIONS FROM
RIGHT REAR CORNER OF UNIT
WITH PANELS ASSEMBLED
35"
889mm
50"
1270mm
CWP
HV
HUM
LV
CD
DPN002036
Rev. 2
AA