Emerson CW026 - Page 24

Liebert CW System Data
Liebert
®
CW
™
System Design Manual 14
HUMIDIFIER SECTION
Infrared Humidifier
Capacity, lb/hr (kg/h) 11 (5.0) 11 (5.0) 11 (5.0) 17.4 (7.9) 17.4 (7.9) 22.1 (10) 22.1 (10) 22.1 (10)
kW 4.8 4.8 4.8 6.4 6.4 9.6 9.6 9.6
Steam Generating Humidifier,
Not applicable to units with EC fans. (Water Conductivity between 200-500 micro-ohms is required for ideal operation)
Capacity, lb/hr (kg/h) 11 (5.0) 22 (10.0) N/A
kW 3.6 3.6 3.6 7.2 7.2 7.2 7.2 7.2
Steam Grid Humidifier - All Models (Standard Selection, 5 PSIG (34.5 kPa), Steam 14 lb/hr. [6.4 kg/h])
Supply Steam Pressure, PSIG (kPa) — 2 (13.8) 4 (27.6) 5 (34.5) 6 (41.4) 8 (55.2) 10 (68.9) N/A
Capacity, lb/hr (kg/h), w/ 5/32” orifice — 8 (3.6) 12 (5.4) 14 (6.4) 16 (7.3) 19 (8.6) 21 (9.5) N/A
FILTER SECTION
Disposable Type - Nominal Size and Quantities, MERV8 and MERV11 (option)
Downflow Models
Nominal Size, in 18 x 24 24 x 31
Quantity 4 4 4 6 6 8 8 5
Upflow Models (Front Return)
Nominal Size, in 24 x 24 N/A
Quantity 2 2 2 3 3 4 4 N/A
Upflow Models (Bottom and Rear Return)
Nominal Size, in 18 x 24 N/A
Quantity 4 4 4 6 6 8 8 N/A
CONNECTION SIZES
Chilled Water, OD Copper 1-1/8 1-3/8 1-5/8 1-5/8 2-1/8 2-1/8 2-1/8 2-5/8
Infrared Humidifier, OD Copper 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4
Condensate Drain, FPT 3/4 3/4 3/4 3/4 3/4 3/4 3/4 1-1/4
Steam Reheat, MPT, FC Blower only 1/2 1/2 1/2 1/2 3/4 3/4 3/4 N/A
Hot Water Reheat, OD Copper, FC
Blower only
5/8 5/8 5/8 7/8 7/8 7/8 7/8 N/A
Steam Grid Humidifier, MPT, FC
Blower only
1/2 1/2 1/2 1/2 1/2 1/2 1/2 N/A
Table 2-6 Physical data, Liebert CW026 - CW089, 50/60Hz models (continued)
Model Sizes 026 038 041 051 060 076 084 089