15
Liebert
®
CW
™
System Design Manual
Table 2-7
Physical data—Liebert CW106 - CW400, 50/60Hz models
Model Sizes
106
114
146
181
300
400
FAN SECTION
Some options or combinations of options may result in reduced airflow. Consult your Emerson representative for recommendations.
Fan Data - EC Fans - CW106 & CW114 are available in Upflow and Downflow Orientations. CW146 to CW400 are available in Downflow only.
Nominal Air Volume, CFM (CMH)
17,300
(29,410)
17,300
(29,410)
21,000
(35,700)
24,000
(40,800)
40,500
(68,850)
45,700
(77690)
Fan Motor, Maximum hp (kW), Downflow, each
4.0 (3.0)
4.0 (3.0)
3.7 (2.8)
4.9 (3.7)
4.2 (3.4)
5.4 (4.4)
Fan Motor, Maximum hp (kW), Upflow, each
4.0 (3.0)
4.0 (3.0)
—
—
—
—
Standard Ext Static Pressure, inches of water (PA)
0.2 (50)
Number of Fans
3
3
3
3
6
6
Fan Data -Forward-curved Blowers - Variable Pitch, Two-Belt Drive Package -
CW106 & CW114 are available in Upflow and Downflow Orientations.
CW146 to CW400 are available with EC Fans in downflow orientation only.
Nominal Air Volume, CFM (CMH)
17,100
(29,050)
16,500
(28,030)
—
—
—
—
Fan Motor, Maximum hp (kW), each
3.0 (2.2)
5.0 (3.7)
—
—
—
—
Standard Ext Static Pressure, inches of water (PA)
0.2 (50)
—
—
—
—
Number of Fans
3
3
—
—
—
—
CHILLED WATER COIL
Face Area, ft
2
(m
2
)
36.3 (3.4)
56.3 (5.3)
112.6 (10.6)
Number of Rows
4
6
4
6
4
6
Face Velocity, EC Fans, FPM (m/s)
476 (1.34)
373 (1.89)
427 (2.16)
359 (1.82)
406 (2.06)
Chilled Water Valves (Standard valves, Maximum design water pressure 150 PSI [1034.3 kPA]. Higher pressure available as an option. Consult
your Emerson representative for information).
Valve Actuator, Sensors, & Body
Modulating Valve Actuator with Proportional Sensors and
either 2-Way or 3-Way Valve Body
Valve CV
46.2
46.2; qty 2
46.2; qty 2
46.2; qty 4
46.2; qty 4
Valve Size, in.
2
2-Way Valve (Opt) Close-off Pressure, PSI (kPA)
45 (310)
200 (1,378)
200 (1,378)
200 (1,378)
200 (1,378)
REHEAT SECTION
Electric Reheat - Three-Stage, Fin Tube
Capacity, BTU/HR (kW)
102,390 (30)
102,390 (30)
—
—
Steam Reheat: 218°F (103.3°C) Steam, 75°F (23.9) EAT
Modulating 2-way, 150 PSI (1034.3 kPa) maximum operating
pressure. Not applicable to units with EC fans.
Unit CFM reduced by 300 with standard motor (142 l/s)
Capacity, BTU/HR (kW)
84,100
(24.6)
85,800
(25.1)
—
—
—
—
Hot Water Reheat @ 180°F (82.2°C) EWT 75°F (23.8°C) EAT
Modulating 2-way, 150 PSI (1034.3 kPa) maximum operating pressure.
Not applicable to units with EC fans.
Unit CFM reduced by 300 with standard motor (142 l/s)
Capacity, BTU/HR (kW)
133,700 (39.2)
—
—
—
—
Flow Rate, GPM (l/s)
8 (0.50)
—
—
—
—
Pressure Drop, PSI (kPA)
1.6 (11.0)
—
—
—
—
Содержание CW089
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