Essick N28W Specifications

It's our FEATURES
8
that set our coolers above the rest
Year Limited
Warranty
on bottom pan
against leakage
due to rust-out.
Selecting the right Essick cooler is EASY
1. Consult zone map to find correct size.
2. Consult table below to find correct "minutes per air change" for your zone.
3. Determine area to be cooled in cubic feet (building height x length x width.)
4. Divide cubic feet from step three by minutes per air change (step 2) to determine CFM.
5. Select correct Essick Cooler model in the specifications table according to CFM and expected static pressure.
Minutes Per Air Change
INTERIOR EXTERIOR ZONE
HEAT LOAD HEAT LOAD 1 2 3
2 1.5 1.3
HIGH EXPOSED
3 2 1.5
HIGH INSULATED
3 2 1.5
NORMAL EXPOSED
NORMAL INSULATED 4 3 2 1.3
For Example:
A house in Phoenix AZ. is 40 ' long by 30 ' wide with 8' ceilings and has standard insulation with no unusual heat sources.
1. Establish cubic feet: 30 x 40 x 8 = 9,600 cu. ft.
3. Use chart to discover Minutes Per Air Change: 3
5. Review Specification Charts inside brochure to determine which unit meets the needs.
In th is example, the N43/48D with ½ h. p. motor i s indicated (assuming a typical static pressure of 0.2).
Essick Air Products 5800 Murray Street , Little Rock, AR. 72209
Water Trough - Adjustable for even water distribution
Motor - Water Resistant with thermal overload
protection and permanently lubricated bearings
Cabinet - Heavy gauge galvanized steel. Bolts
together for easy access and rust/corrosion resistence
Blower - Machine balanced for smooth, quiet
operation and maximum air delivery
Pump - Permanently lubricated bearings can run
with or without water
Built-in leveling leg - Window units include
house legs for leveling and extra support
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Except for N28W unit
IF CFM falls between models, choose the larger model.
Interior Heat Load: High means places with unusual heat
sources from hot equipment or processes, crowded conditions, etc.
Normal means no unusual heat sources - typical home or office.
4
Exterior Heat Load: Exposed means walls and/or roof exposed to sun,
.7
poor insulation, etc.
1
Insulated means walls and roof well insulated and/or shaded.
1
2. Determine Zone: Phoenix is in Zone 2
4. Compute Cubic Feet per Minute (CFM): 9,600÷3 = 3,200 CFM
800 643-8341 www.essickair.com
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N- Series
Coolers Provide
A Wide Variety of
Home Cooling Options:
• Window Units
• Remote Controlled Units
• Down Discharge Units
• Side Discharge Units
ERB 06-08
Essick Excel
Residential Evaporative Coolers
The Environmentally Friendly
Alternative To Traditional
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