Air Handlers
Index
Quality Standard
Nomenclature
Cabinet style Fan Type
Standard Unit Features
Water Coils
Air Handler Coils
Direct Expansion Coils
Heat Reclaim Coils
Unit Heater Dimensions Size
Accessories- Electric Heat
Construction & Dimensions
Component 208 240 460 480
Electric Heater Selection Example
Maximum KW
Accessories
Auxilary Sections- All unit Sizes Dimensions, Page 29 to
Filters And Auxiliary Sections
Motor Drive Starter Motor Horsepower Description
Accessories for Fan and Coil Sections
Available Motors, Drives, Motor Starters per Horsepower
‘A’ = Available
Air Handler Selection
Selection Conditions
Selection Procedure
Selection Example
Steam
Air volume at Air handler DX air Refrigerant Chilled water
Air Handler Performance Quick Reference
Cu m/h
Air Handler Performance- Direct Expansion
Coil
1339
Saturated Suction Temperature
Air Handler Perfromance- Direct Expansion
1553
Size Air Area
Air Handler Performance- Chilled Water
Row Coils
Air Handler Perfromance- Chilled Water
Std Face
Air Handler Performance- Hot Water/Steam
Heating 0F. Air
One Row Two Row
Heating 60F. Air
Size Air Sq. Ft
Two Row One Row
Type a and Type 5, hot gas reclaim, heating capacities
Temperature Difference
Coil Perfromance- Heat Reclaim MBH/SQ FT
Actual capacity will vary With coil circuiting
Refrigerant Evaporating Temperature F
Coil Performance- Direct Expansion MBH/SQ FT
400 450 500 550 600
Rows
Coil Perfromance- Chilled Water MBH/SQ FT
Chilled
FPM, Type a Coils 1/2 DIA FPM, Type 5 Coils 5/8 DIA
500 600 650 700 400
Coil Performance- Heating, Water & Steam
FPM, Type 5 Coils 5/8 DIA Rows
FPM, Type 8 Coils 1 DIA Rows
Fan Performance
Size
Coil Total
Size 14 and Size
RPM BHP
Size 20 and Size
32 3/8 Airfoil Fan
Size 65 and Size
High Efficiency Filter Sections- Dimensions
Dimensions inches
High Efficiency Filter Section
Mixbox Inlet Duct Connections
Accessory Flange Pattern
Dimensions Size
Sizes 03 Sizes 20
Mix box
Dimensions
Reference
Motor and coil connection
Sizes 03 41 FC
Discharge
Sizes 50 75 AF
12 5/8 Rows 15 5/8
For All Units Sizes
10 1/8
Mixbox
Sizes 50 65 AF
Depth is dimension
Dimension ‘T’
‘D’ added to
Size Edge
Sizes 03 Mounting Locations For Vibration Isolators
For All Unit Sizes
One and two row heating coils do not have
For All Unit Sizes
All mounting holes are 5/8 inch diameter Rows Inch filters
Models
Coil Section
Vibration Isolators, Quantity Required
Air Flow Reheat Position Preheat Position
To estimate weights for other coils
Net Weights and Metal Gauges
Weight in pounds
Air Handler Component Unit Size
Face Areas- Air Pressure Drops, Dry Coils
Face Area Air Handler Unit Size Square Feet
Fin Air Velocity Feet Per minute
Air Pressure Drops- Cabinets, Filters, Wet Coils
Depth Flat & hi 35% Efficient , Pleated
Physical Data
19.25 25.50 34.00 40.38 49.50 64.58 74.91 Small
Unit Size
CFM Range Cooling
16.04 21.25 27.63 31.88 40.50 51.67 59.42
Mechanical Specification