Ins ta lla tion Ductwork C a lcula tion S heet

www.zephyronline.com

Ins ta lla tion - Ductwork C a lcula tion S heet

Duct pieces	Equivalent number				Total
	length x used			=	Total
3 1/4” x 10”	1 Ft.	x (	)	=	Ft.
Rect.,
straight
7” Round,	1 Ft.	x (	)	=	Ft.
straight
7” Round,	1 Ft.	x (	)	=	Ft.
straight
3 1/4” x 10”	15 Ft.	x (	)	=	Ft.
Rect. 90 0
elbow
3 1/4” x 10”	9 Ft.	x (	)	=	Ft.
Rect. 45 0
elbow
3 1/ 4” x 10”	24 Ft.	x (	)	=	Ft.
Rect. 90 0
flat elbow
3 1/4” x 10”	30 Ft.	x (	)	=	Ft.
Rect.
wall cap
with damper
3 1/4” x 10”	5 Ft.	x (	)	=	Ft.
Rect. to
6” round
transition
3 1/ 4” x 10”	15 Ft.	x (	)	=	Ft.
Rect. to
6” round
transition
90 0 elbow
6” Round,	15 Ft.	x (	)	=	Ft.
90 0 elbow
6” Round,	9 Ft.	x (	)	=	Ft.
45 0 elbow
	Subtotal column 1 =				Ft.

Maximum Duct Length: For satisfactory air movement, the total duct length of a 3 1/4” x 10” rectangular, 6” or 7”

diameter round ductshould not exceed 100 equivalent feet.

Duct pieces	Equivalent number				Total
	length x used			=	Total
6” Round	30 Ft.	x (	)	=	Ft.
wall cap
with damper
6” Round,	30 Ft.	x (	)	=	Ft.
roof cap
6” round to	1 Ft.	x (	)	=	Ft.
3 1/4” x 10”
rect.
transition
6” round to	16 Ft.	x (	)	=	Ft.
3 1/4” x 10”
rect.
transition
90 0 elbow
7” Round,	15 Ft.	x (	)	=	Ft.
900 elbow
7” Round,	9 Ft.	x (	)	=	Ft.
45 0 elbow
7” Round	30 Ft.	x (	)	=	Ft.
wall cap
with damper
7” Round,	30 Ft.	x (	)	=	Ft.
roof cap
7” round to	8 Ft.	x (	)	=	Ft.
3 1/4” x 10”
rect.
transition
7” round to	15 Ft.	x (	)	=	Ft.
3 1/4” x 10”
rect.
transition
90 0 elbow
	Subtotal column 2 =				Ft.
	Subtotal column 1 =				Ft.
	Total ductwork			=	Ft.

COK-E48SX, COK-E42SX, COK-E36SX specifications

The Zephyr COK-E48SX, COK-E42SX, and COK-E36SX are premium under-cabinet range hoods designed to elevate both functionality and aesthetics in modern kitchens. Each model shares common features but is tailored to accommodate various kitchen sizes and styles, making them ideal for diverse culinary environments.

Starting with the COK-E48SX, this model boasts a sleek 48-inch width, providing ample coverage for larger cooktops. It is equipped with a powerful blower that delivers substantial airflow while maintaining a whisper-quiet operation. The three-speed fan effectively manages different cooking scenarios, allowing for an adaptable cooking experience. The stainless steel finish not only complements contemporary kitchen designs but also offers durability and ease of cleaning.

Next, the COK-E42SX, measuring 42 inches, shares many features with its larger counterpart but is designed for medium-sized cooking areas. It offers easy-to-use electronic controls, ensuring that adjusting the fan speed is both straightforward and efficient. The integrated dishwasher-safe baffle filters help capture grease and odors, minimizing residue and enhancing air quality. This model also incorporates LED lighting, delivering bright illumination over the cooking surface while adding a modern touch.

Finally, the COK-E36SX is a 36-inch model that caters to smaller kitchen spaces without compromising on power or style. Its compact design ensures it fits seamlessly into any cooking layout, while still providing effective ventilation. This model maintains the same high-quality stainless steel construction and efficient baffle filters, ensuring longevity and performance. Additionally, the adjustable fan speeds allow users to tailor the ventilation to their specific needs.

All three models are designed with user-friendliness in mind, featuring easy installation and maintenance. The energy-efficient LED lights provide excellent visibility, while consuming less power, contributing to an eco-friendly kitchen environment. With their stylish designs and advanced technology, the Zephyr COK-E series hoods stand out as indispensable kitchen appliances, balancing performance and elegance in any culinary space. Whether you are a professional chef or an enthusiastic home cook, these range hoods ensure a pleasant cooking experience with efficient ventilation and modern aesthetics.

Zephyr COK-E36SX, COK-E42SX, COK-E48SX manual Ins ta lla tion Ductwork C a lcula tion S heet

Models: COK-E48SX COK-E42SX COK-E36SX

Ins ta lla tion - Ductwork C a lcula tion S heet

Duct pieces

Equivalent number

Total

Subtotal column 1 =

COK-E48SX, COK-E42SX, COK-E36SX specifications