4000-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
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Table 19: Static Pressure Drops for Options
Note:
Calculate the static pressure for selected cabinet options plus any ductwork. Use external static pressure
column found in Page 24, Table 17 through Page 25, Table 18 Fan Selection Charts to determine motor
horsepower.
Description in wc
Cooling Coil Section 0.10
Cooling Coil CF
Damper - Inlet 0.05
Damper - Low Leak 0.05
Damper - Discharge 0.10
Damper - Discharge, Low Leak 0.10
Supply Air End CF
Discharge Plate 0.05
Discharge Head - One Way 0.10
Discharge Head - Three Way 0.10
Discharge Head - Four Way 0.05
Horizontal Inlet Hood 0.00
Horizontal Inlet Plenum0.10
Vertical Inlet Plenum Base 0.05
Moisture Limiter For Horizontal Inlet Hood 0.10
Aluminum Mesh Filters For Horizontal Inlet Hood 0.15
Vertical Stand with Polyester Filters (FR) 0.25
Outside Air Filter Section, No Filters 0
Filtered Mixing Box, No Filters 0
Filters - Polyester 0.25
Filters - Aluminum Mesh 0.15
Filters - 30% Pleated 0.25
Custom Filter Options (Bag, Cartridge, HEPA) CF
Evaporative Cooling Section (ECM) 0.25
Evaporative Cooling Section (ECM-D) 0.50
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