Viking DIPR101R User Manual

3

1.  The interior  down-

draft blower system is 

designed for use with 

3-1/4" x 10" ductwork 

(can be transitioned 

to 6" round). Three 

different discharge 

directions are avail-

able with side-to-

side adjustment for 

accurate alignment of 

ductwork.

2.  For best performance: 

Choose the ducting 

option which allows 

the shortest length 

of ductwork and a 

RIGHT

DISCHARGE

DOWN DISCHARGE

LEFT

DISCHARGE

10" ROUND

DISCHARGE 

PLATE

1.  The exterior downdraft 

blower system is designed 

for use with 10" round duct-

work.

2.  For best performance: 

Plan ducting which has the 

shortest length of ductwork 

and a minimum number of 

elbows. Check location of 

floor joists, wall studs, elec-

trical wiring or plumbing for 

possible interference. 

EQUALS 6 FT. OF 
STRAIGHT DUCT

10" ROUND

ELBOW

EQUALS 6 FT. OF 
STRAIGHT DUCT

6" ROUND 

ELBOW

EQUALS 8 FT. OF
STRAIGHT DUCT

3.  The system will operate most efficiently when the ductwork 

does not exceed 40 feet of equivalent duct. The chart, above, 

shows equivalent feet of elbows and transitions. The number 

of feet of straight duct plus the equivalent feet of transitions 

and/or elbows to be used should equal 40 feet or less.

3-1/4" X 10" TO 6" RD. 
TRANSITION

3-1/4" X 10"

90

O

 ELBOW

minimum number of elbows and transitions. Check location 

of floor joists, wall studs, electrical wiring or plumbing for 

possible interference. 

3.  The system will operate most efficiently when the ductwork 

does not exceed 40 feet of equivalent duct. The illustration, 

above, shows equivalent feet of a 10" round elbow. The number 

of feet of straight duct plus the equivalent feet of elbows to be 

used should equal 40 feet or less.

EQUALS
2 FT. OF
STRAIGHT DUCT

VIDV500

INTERIOR

BLOWER