Emerson CW026 Design Manual page 116

Guide Specifications—Chilled Water Environmental Control System
2.1 FRAME
The frame shall be constructed of welded tubular steel. It shall be painted using the autophoretic coating
process for maximum corrosion protection.
2.1.1 Downflow Air-flow Configurations
2.1.1.1 Downflow Air Supply
The supply air shall exit from the bottom of the unit.
2.1.1.2 Downflow Air, EC Fans Lowered into Floor Stand
The supply air shall exit from all sides of the floor stand.
2.1.1.3 Downflow Air, Front Discharge
The supply air shall exit from the front of the unit.
2.1.1.4 Downflow Air, Rear discharge
The supply air shall exit from the rear of the unit.
2.1.1.5 Downflow Air Return
The return air shall enter the unit from the top.
2.1.2 Upflow Air-flow Configurations
2.1.2.1 Upflow Top Air Supply, Front Throw
The supply air shall exit from the top of the cabinet (or plenum) with the air throw toward the front.
2.1.2.2 Upflow Top Air Supply, Rear Throw
The supply air shall exit from the top of the cabinet (or plenum) with the air throw toward the back.
2.1.2.3 Upflow Rear Air Supply
The supply air shall exit from the back of the cabinet.
2.1.2.4 Upflow Air Return, Front
The return air shall enter the unit from the front of the cabinet through factory-installed grilles. Grilles shall
be painted black.
2.1.2.5 Upflow Air Return, Rear
The return air shall enter the unit from the back of the cabinet.
2.1.2.6 Upflow Air Return, Bottom
The return air shall enter the unit from the bottom of the cabinet.
2.1.3 Exterior Panels
The exterior panels shall be insulated with a minimum 1 in. (25 mm), 1.5 lb. (0.68 kg) density fiber
insulation. The main front panel shall have captive quarter-turn fasteners. The main unit color shall be
______. The accent color shall be _________.
2.1.3.1 Double-skin Panels—Optional
The exterior panels shall be insulated with a minimum 1 in. (25.4 mm), 1.5 lb. (0.68 kg) density fiber
insulation. The main front panel shall have captive quarter-turn fasteners. The main unit color shall be
_________. The accent color shall be _________.
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Liebert CW System Design Manual
2.0 Product
106