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Williams 'B' Series Belt-Drive Horizontal Air Handler, Left Piping, 115V, 6 Coil Rows (4 CW 2 HW) - 5,000 CFM, 335,437 BTU
Model: AH050W4B421L00
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Product Description
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Features
Features
- Williams B504421L00 Features
- Heavy-gauge galvanized steel cabinet insulated with 1/2" thick, over three-pound density, neoprene-coated fiberglass.
- Two-pipe or Four-pipe hydronic heating and/or cooling. Four pipe systems may be converted to a two-pipe system by capping off one set of pipes.
- Coils are 1/2" OD copper tubes with aluminum fins (10 FPI) equipped with manual-air vent. Coils are 100% underwater pressure tested at 350 PSI with a 300 PSI working pressure.
- Galvanized drain pan features powder-coated epoxy with 1/4" thick elastomeric insulation and has primary and secondary drain connections.
- Belt-driven, draw-through design with forward-curved and dynamically balanced blowers.
- Wide range of motor sizes and adjustable, variable-pitch drive sheave and cast-iron pulley keyed to motor shaft (ordered separately & required for operation).
- Two-inch thick, 30/30 pleated filter, flatly mounted, with spring-loaded clips on each side of the access door for easy maintenance without the use of tools.
- S16 operating at 2 hp @ 0.0
- S16 operating at 2 hp @ 0.1
- S16 operating at 2 hp @ 0.2
- S15 operating at 2 hp @ 0.3
- S15 operating at 3 hp @ 0.4
- S18 operating at 3 hp @ 0.5
- S18 operating at 3 hp @ 0.6
- S19 operating at 3 hp @ 0.7
- S19 operating at 3 hp @ 0.8
- S19 operating at 3 hp @ 0.9
- S41 operating at 3 hp @ 1.0
A Horizontal model of Belt-Driven Air Handlers for both hydronic and DX applications, these rugged units are dependable air handlers. Housed in a heavy-gauge, galvanized steel cabinet. Controls and motors are factory-mounted and provided in a single-point power supply. Access doors are provided on both sides of the unit for easy maintenance.
Product Note
Williams B504421L00 Compatible Sheave Kits:
- Kit Model # at Horsepower @ Inches of Static Pressure
* Use with 3-phase motors only
Specifications
General Information
Product Line
B
Blower Motor
Variable Speed
Coil Type
Hydronic
Configuration
Configuration
Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Electric Heat
Optional
Additional Model Numbers
B504421L00, AH050W4B421L00
Performance
Heating BTU
335437
Nominal Maximum Cooling Capacity
131051 BTU
Maximum Air Flow
5000 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Cold Water Inlet
1 1/2 Inches
Hot Water Outlet
1 1/2 Inches
Hot Water Inlet
1 1/2 Inches
Cold Water Outlet
1 1/2 Inches
Product Height
30 Inches
Product Width
72 Inches
Product Depth
48 Inches
Product Weight
690 Pounds
Shipping Weight
700 Pounds
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Features
Features
- Williams B504421L00 Features
- Heavy-gauge galvanized steel cabinet insulated with 1/2" thick, over three-pound density, neoprene-coated fiberglass.
- Two-pipe or Four-pipe hydronic heating and/or cooling. Four pipe systems may be converted to a two-pipe system by capping off one set of pipes.
- Coils are 1/2" OD copper tubes with aluminum fins (10 FPI) equipped with manual-air vent. Coils are 100% underwater pressure tested at 350 PSI with a 300 PSI working pressure.
- Galvanized drain pan features powder-coated epoxy with 1/4" thick elastomeric insulation and has primary and secondary drain connections.
- Belt-driven, draw-through design with forward-curved and dynamically balanced blowers.
- Wide range of motor sizes and adjustable, variable-pitch drive sheave and cast-iron pulley keyed to motor shaft (ordered separately & required for operation).
- Two-inch thick, 30/30 pleated filter, flatly mounted, with spring-loaded clips on each side of the access door for easy maintenance without the use of tools.
- S16 operating at 2 hp @ 0.0
- S16 operating at 2 hp @ 0.1
- S16 operating at 2 hp @ 0.2
- S15 operating at 2 hp @ 0.3
- S15 operating at 3 hp @ 0.4
- S18 operating at 3 hp @ 0.5
- S18 operating at 3 hp @ 0.6
- S19 operating at 3 hp @ 0.7
- S19 operating at 3 hp @ 0.8
- S19 operating at 3 hp @ 0.9
- S41 operating at 3 hp @ 1.0
A Horizontal model of Belt-Driven Air Handlers for both hydronic and DX applications, these rugged units are dependable air handlers. Housed in a heavy-gauge, galvanized steel cabinet. Controls and motors are factory-mounted and provided in a single-point power supply. Access doors are provided on both sides of the unit for easy maintenance.
Product Note
Williams B504421L00 Compatible Sheave Kits:
- Kit Model # at Horsepower @ Inches of Static Pressure
* Use with 3-phase motors only
Specifications
General Information
Product Line
B
Blower Motor
Variable Speed
Coil Type
Hydronic
Configuration
Configuration
Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Electric Heat
Optional
Additional Model Numbers
B504421L00, AH050W4B421L00
Performance
Heating BTU
335437
Nominal Maximum Cooling Capacity
131051 BTU
Maximum Air Flow
5000 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Cold Water Inlet
1 1/2 Inches
Hot Water Outlet
1 1/2 Inches
Hot Water Inlet
1 1/2 Inches
Cold Water Outlet
1 1/2 Inches
Product Height
30 Inches
Product Width
72 Inches
Product Depth
48 Inches
Product Weight
690 Pounds
Shipping Weight
700 Pounds
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Product Specs
+−
Specifications
General Information
Product Line
B
Blower Motor
Variable Speed
Coil Type
Hydronic
Configuration
Configuration
Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Electric Heat
Optional
Additional Model Numbers
B504421L00, AH050W4B421L00
Performance
Heating BTU
335437
Nominal Maximum Cooling Capacity
131051 BTU
Maximum Air Flow
5000 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Cold Water Inlet
1 1/2 Inches
Hot Water Outlet
1 1/2 Inches
Hot Water Inlet
1 1/2 Inches
Cold Water Outlet
1 1/2 Inches
Product Height
30 Inches
Product Width
72 Inches
Product Depth
48 Inches
Product Weight
690 Pounds
Shipping Weight
700 Pounds
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Reviews
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Product Q&A
(1)
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Answered by Bob, the Heating Product Expert
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Can this unit be used with a heat pump?
David
from Georgia
February 24, 2016
Answer
The B-series air handler is designed for use with either hot or chilled water to provide both heating and cooling. It will work with a geothermal or air-to-water heat pump, but not with a air-to-air DX heat pump.
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Williams 'B' Series Belt-Drive Horizontal Air Handler, Left Piping, 115V, 6 Coil Rows (4 CW 2 HW) - 5,000 CFM, 335,437 BTU
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