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INSTALLATION IN NEW CONSTRUCTION
INSTALLING THE TUBING
Use the following installation guidelines when installing tubing.
1.
Start tubing installation at farthest inlet and work toward the
power unit.
2.
Tubing run to the power unit should be as straight as
possible.
3.
When assembling sections with elbows and tees, make
sure the curve in the fitting is aligned so that the air flows
toward the power unit.
4.
Branch lines should always join the trunk line from above or
from the same level. Never join a branch line from an angle
below the trunk line.
5.
Refer to Figure 28 on page 8. Run low voltage wiring
(Model 376-UL) and secure wiring to tubing as tubing is
installed. Model CF-380 Pipe Support can be used to
support long runs of tubing (position near joists) and to clip
wire along tubing. Secure tubing to joists or studs. Leave
approximately 6" of wire for connection to each inlet.
1
6.
Cut a 2
⁄
" diameter hole in sole plate, header or stud
2
directly in line with opening of inlet bracket fitting.
Note Figure 6 for center line dimensions.
7.
Refer to Figure 11. Measure length of tubing needed to
connect inlet to trunk line. Allow approximately
for inserting into fittings.
8.
Refer to Figure 12. Cut tubing, keeping cut square.
9.
Refer to Figure 13. Remove burrs from both inside and
outside of tubing.
10. Before cementing, pre-assemble section to inlet fitting,
check for proper length.
11. Refer to Figure 14. Apply PVC cement (Model 379) to
outside of tubing. Coat tubing approximately 1" back. Take
care to keep cement from inside of tube.
12. Refer to Figure 15. Insert tubing into fitting with a twisting
motion to evenly spread cement. Be sure tubing is firmly
seated in fitting.
13. If fittings have been attached to tubing at the end opposite
the inlet bracket, be sure alignment is proper before
cement sets.
14. Refer to Figure 16. Tape wire to tubing to hold in place
and insert through hole in inlet bracket.
15. Connect each inlet line and branch line into main trunk line.
Complete low voltage wiring as main trunk line is continued
back to power unit.
Caution: When tubing is run
through the wall stud, sole plate,
headers - or anywhere that
building materials will be
attached - place a nail plate
(Model 378) over that area
(on both sides if necessary)
to prevent nails from piercing
tubing.
All manuals and user guides at all-guides.com
3
⁄
" of tubing
4
FIGURE 14
(continued)
MODEL 361 MOUNTING
1
2
/
" DIA. HOLE
2
THROUGH SOLE PLATE
3
2
/
"
8
13
1
SIDE
MOUNTING
MODEL 329 MOUNTING
2"
FACE
MOUNTING
FIGURE 10
INCLUDE FITTING
3
/
"
4
TUBING MEASUREMENT
FITTING
FIGURE 11
FIGURE 12
FIGURE 15
13
1
/
"
16
/
"
1
16
FACE
MOUNTING
1
2
/
" DIA. HOLE
2
THROUGH SOLE PLATE
13
1
/
"
16
2" - 382S
5
2
⁄
" - 382
8
RECESS IN
MEASUREMENT
PVC TUBING
FITTING
FIGURE 13
FIGURE 16
13
/
"
16
3
/
"
4
5
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