Figure 5-9 Primary Connection Locations, Downflow, Cw300 And Cw400 With Ec Fans - Emerson CW026 Design Manual

Figure 5-9 Primary connection locations, downflow, CW300 and CW400 with EC fans

A
CWR2
CD2
CWS2
C
CWR1
CD1
Y
CWS1
B
E2
E1
X
O
ALL DIMENSIONS FROM
FRONT CORNER OF UNIT
INCLUDING PANELS
Point Description
Condensate Drain *
CD 1
W/ Optional Pump
Condensate Drain *
CD 2
W/ Optional Pump
2-way Chilled Water Supply
CWS1
3-way Chilled Water Supply
2-way Chilled Water Supply
CWS2
3-way Chilled Water Supply
2-way Chilled Water Return
CWR1
3-way Chilled Water Return
2-way Chilled Water Return
CWR2
3-way Chilled Water Return
E1 Electrical Conn. (High Volt)
E2 Electrical Conn. (High Volt)
LV1 Electrical Conn. (Low Volt)
LV2 Electrical Conn. (Low Volt)
LV3 Electrical Conn. (Low Volt)
B Front Blower Outlet
C Rear Blower Outlet
* 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.
FRONT VIEW
SECTION A-A
41"
TYP
1041mm
AIR DISCHARGE
29 3/8"
AREA
746mm
AIR DISCHARGE
122"
3099mm
X, In. (mm)
12 (305)
12 (305)
12 (305)
12 (305)
5 (127)
5 (127)
5 (127)
5 (127)
5 (127)
5 (127)
5 (127)
5 (127)
9 (229)
12 (305)
119-1/2 (3035)
119-1/2 (3035)
119-1/2 (3035)
24-1/2 (622)
24-1/2 (622)
Piping Connections—Downflow Models with EC Fans
A
TYP
AREA
FRONT OF UNIT
Y, In. (mm)
12 (305)
12 (305)
57 (1449)
57 (1449)
10 (254)
10 (254)
55 (1397)
55 (1397)
17 (432)
17 (432)
62 (1575)
62 (1575)
4 (102)
4 (102)
11 (279)
9-1/2 (241)
8 (203)
3 (76)
48 (1219)
61
NOTE: Drawing not to scale.
Tolerance on
all piping dimensions
is ± 1/2" (13mm).
92"
2337mm
46"
1168mm
LV1
LV2
LV3
Connection Size / Opening, In. (mm)
1-1/4" FPT
1/2" Cu Sweat
1-1/4" FPT
1/2" Cu Sweat
3-1/8"
3-1/8"
3-1/8"
3-1/8"
3-1/8"
3-1/8"
3-1/8"
3-1/8"
2"
2"
7/8"
7/8"
7/8"
93" x 41" (2362mm x 1041mm)
93" x 41" (2362mm x 1041mm)
® ™
Liebert CW System Design Manual
DPN002434
Rev. 1