Vertiv Liebert CW340, Installer/User Manual

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3 PLANNING GUIDELINES
3.1 Capacity and Physical Data
Model No. 340 440
NET CAPACITY DATA kBTU/H (kW) BASED ON 45°F (7.2°C) ENTERING WATER, 10°F (5.5°C) WATER RISE
75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH
Total Capacity, kBTUH (kW) 1410 (431) 1758 (515)
Sensible Capacity, kBTUH (kW) 1184 (346) 1525 (447)
Flow Rate, GPM (l/s) 300 (18.9) 385 (24.29)
Pressure Drop, ft (kPA) 44 (130.7) 29 (87.3)
Fan Data - EC Fans - Available in Downflow Orientations
Nominal Air Volume, CFM (CMH) 45,000 (76,455) 60,000 (101,941)
Fan Motor, Maximum hp (kW), each 16.1 (12.0) 16.1 (12.0)
Standard Ext. Static Pressure, inches of water (PA) 0.3 (74.7) 0.3 (74.7)
Number of fans 3 4
Chilled Water Coil
Face Area, ft
2
(m
2
) 96 (8.91) 130 (12.08)
Number of Rows 6 6
Face Velocity, FPM (m/s) 470 (2.39) 460 (2.34)
Chilled Water Valves Maximum design water pressure 400 PSI (2757 kPa)
Valve Actuator, Sensors and Body
Valve CV 70 130
Valve Size, in. 3.0 3.0
2-way Valve (optional) Close-off Pressure, PSI
(kPA)
100 (689) 100 (689)
Filter Section
Disposable Type - MERV8 (standard) or MERV11 (option)
Nominal Sizes, in. 20 x 24 x 4 18 x 24 x 4 20 x 24 x 4 18 x 24 x 4
Quantity of each 18 9 22 11
Connection Sizes
Chilled Water (grooved, black pipe) 4 in.
Condensate Drain 2 x 1-1/4 in.
Condensate Discharge (when supplied with pump),
O.D.
1/2-in. compression
Table 3.1 Performance data, Standard Chilled-water Unit with EC fans
3 Planning Guidelines 11