8
■
INSTALLING THE VENTILATION
NOTE: Remove and discard shipping bracket (attached to
bottom of motor and inlet collar). Check to see if blower
wheel turns freely. Do not replace top until installation is
complete.
FRAMING:
1.
Provide a square hole through the roof (or wall), as
shown by dashed lines, or cut a round hole to fit duct
with a separate hole for electrical conduit as shown by
solid lines in Figure 10. See Figure 12 for remote blowers
dimensions.
2.
Install the Remote Blower on the roof or wall (with
discharge pointing down slope) according to the
Standard Roofing Procedures (front discharge edge
should be on the top of shingles and the rear edge
underneath the shingles). See Figure 12.
3.
Connect blower to the exhaust system with 8 inch dia.
duct for VTR600R and 10" dia. duct for VTR1000Q and
VTR1400Q. Use adjustable elbow to adjust to roof angle.
Tape all joints to prevent air leaks.
NOTE: The unit must be sealed between the roof (or
wall) and the underside of the flange with roofing mastic to
prevent leaks. For installation on a flat roof, or roofs with a
pitch less than 1-1/2" in 12", install ventilator on the curb as
shown in Figure 11. Position the curb on flat roofs so that
the discharge (low) end points away from prevailing wind.
A
Adjustable Elbow
F
Conduit
(Not Provided)
H
Figure 12 -
Remote
Blower
Dimensions
MODEL
A
B
C
D
E
F
G
H
I
J
VTR1000Q 10" Dia.
10" Dia.
10-3/4
10-1/4
3-3/16
17-5/8
10-3/4
10
26-1/4
4
VTR600R
8" Dia.
8" Dia.
10-3/8
11-1/4
4-5/8
14-1/2
8-3/4
8
24
3-1/2
"J" Box
28"
C
J
I
11-3/8"
9-3/8"
20-3/4"
D
5-7/8"
E
G
Tape Joints
B Dia. Duct
Conduit
14"
6-1/8"
1"
4-11/16" for VTR600R
6-1/4" for VTR1000Q
1-1/4" Hole
14"
1"
9" dia.
VTR600R
10" dia
VTR1000Q
Figure 10 - Remote Blower Cutouts
INSTALLING A REMOTE BLOWER
Figure 11 – Curb for roof
CAUTION - For general ventilating use
only. Do not use to exhaust hazardous or
explosive materials and vapors.
➛
➛
➛
20-3/4"
2"
➛
➛
➛
➛
➛
5-1/2"
28"
Summary of Contents for RDDS30V
Page 16: ...16 BLOWER DUCT SIZING...
