Thermador CVS30R - Ductwork Route Selection; Ductwork Performance Calculation

Page 5
ROUND
STRAIGHT
3-1/4"X10"
90
° ELBOW
3-1/4"X10"
45
° ELBOW
DUCT PIECES
SIZE
EQUIVALENT
LENGTH
QUANTITY
USED
TOTAL
EQUIVALENT
LENGTH
DUCT PIECES
SIZE
EQUIVALENT
LENGTH
QUANTITY
USED
TOTAL
EQUIVALENT
LENGTH
3-1/4"X10"
FLAT
ELBOW
ROUND TO
3-1/4"X10"
3-1/4"X10"
TO ROUND
3-1/4"X10"
TO ROUND
90
° ELBOW
6"
6"
6"
6"
6"
6"
7"
7"
7"
7"
7"
7"
8"
8"
3-1/4"X 10"
CENTER
REVERSE
ELBOW
RIGHT
3-1/4"X 10"
CENTER
REVERSE
ELBOW LEFT
3-1/4"X 10"
RIGHT
REVERSE
ELBOW
3-1/4"X 10"
LEFT
REVERSE
ELBOW
ROUND
ROOF
CAP
8'
6'
5'
3'
1'
10'
8'
5'
6"
7"
8"
20'
2'
long
3-1/4"x10"
to Round
Model 310TR10
3-1/4"x10" Flex
Model #RD 1
NOTE: Fittings with model numbers stated are available through your
Thermador dealer. All other fittings are available from most major
hardware stores.
TOTAL
(of both columns) =
3-1/4"x10"
Wall Cap
Model WC310
7" In-Line
Backdraft
Damper
Model # I 40
3-1/4"x10"
Roof Jack
& Shutter,
Model # RJ310
MUST be LESS than:
Integral Blower- 85 ft.
Remote Blower- 70 ft.
TABLE 1. VENTILATOR PERFORMANCE CALCULATION
ROUND TO
3-1/4"X10"
90
° ELBOW
15'
15'
25'
25'
15'
20'
1'
N/A
N/A
N/A
N/A
N/A
N/A
10"
8"
6"
7"
N/A
1.2'
12'
5'
4'
3'
7"
0.95'
10"
6"
8" 0.7'
10"
14"
1'
2'
1'
2'
5'
5'
0.7'
5'
2'
1'
1'
➛
➛
➛
➛
ROUND
WALL CAP
Model #WC8
Model #WC10
90
°
ELBOW
ROUND
45
°
ELBOW
ROUND
0.6'
10'
6"
10"
3-1/4"
3-1/4" x 10"
STRAIGHT
3-1/4" x 14"
STRAIGHT
5'