Installation

STEP 2: PREPARE THE VENTING SYSTEM

STANDARD FITTINGS

NOTE: If the existing duct is round, you must use a rectangular-to-round adapter, with a rectangular 3" extension duct installed between the damper assembly and the adapter to prevent the exhaust damper's sticking.

DUCT LENGTH

The total length of the duct system, including straight duct, elbows, transitions, and wall or roof caps must not exceed the equivalent of 140 feet.

For best performance, do not use more than three 90 degree elbows, and keep length as short as possible.

Below are the standard fittings and their equivalent length in feet.

1D2D3[3

3 1/4"xlO"[J

3 1/4"x10" roofD

3 1/4"x10" 90"0

to 6"=5ft.

cap=24ft,

elbow=25ff,

6n

 

3 1/4"x10"D

 

3 1/4"x10"D

90" elbowO

wall capri

45" elbowE]

flat elbow n

=10ft.

--40ft.

=5ft.

=10II.

Figure 9

To calculate the equivalent length of each ductpiece used, see the examples below.

Exam )les

For 3 1/4"x10"

SYSTEMS

 

 

 

For 6" ROUND SYSTEMS

 

31/4"xW 'n _

6ft. _

wall cap

90"elbows _

 

 

 

 

 

 

90" elbow I_-'-'_-'-

 

I

 

 

 

 

 

 

 

 

 

transi_

6ft. ,--.-_t//wall

cap

Hi"

 

 

 

 

 

 

 

1-3 1/4" x 10" 90° elbowD

=

25if.E]

1-transitionE]

=

5 ft.E

2-90 ° elbowsD

=

20 ft.r

1-Wall CapD

 

=

40 ft.D

 

1-Wall

CapD

=

40 ft.E

8 feet straight ductD

 

=

8 ft.D

 

8 feet

straight []

=

8 ft.r

TOTAL LENGTH

 

=

73 ft.D

 

TOTAL LENGTH

=

73 ft.E

 

 

D

 

 

 

 

 

 

D

 

- 38 -

Page 38
Image 38
Amana MVH250L, MVH250W owner manual Standard Fittings, Total Length

MVH250W, MVH250L specifications

The Amana MVH250L and MVH250W are innovative over-the-range microwave ovens that blend functionality with modern kitchen aesthetics. Engineered with user convenience in mind, these models boast a range of features designed to make cooking and reheating food effortless.

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Both the MVH250L and MVH250W are equipped with 1.6 cubic feet of cooking space, providing ample room for a variety of dishes. Their versatile design features a powerful 1000-watt cooking power, which ensures that food is heated quickly and evenly. Additionally, the 300 CFM ventilation system effectively removes smoke, steam, and odors, ensuring a fresh kitchen environment.

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