Nortec GH Series Instaliation, User & Maintenance Manual page 12

0
9. Any distributor longer than 3 feet (1 meter)
should be supported at its end with a threaded
rod through top or bottom of duct. See Figure
#10.
Figure #10
3/8" Threaded Rod
(Field Supplied)
Duct steam Distributor
Figure #11
0
0
0
0
1 . 2.
1. steam Distributor Mounting Plate
Q
~
Hex Nut
(Factory Supplied)
<D
q
0:
3.
2. Cut Hole In Duct For Insertion Using Template
3. Mount
With
Four Sheet Metal Screws
10. It is recommended that single distributors are
mounted near the bottom of the duct to ensure
the steam is dispersed into the majority of the
air flow. See Figure #12.
Figure #12
W/2 W/2
- 9 -
11. Using duct mounting template provided, cut a
hole in side of duct just large enough to admit
steam manifold and condensate drain pipe
assembly. Use four sheet metal screws to
attach mounting plate to side of duct. See
Figure #11 and #12,
Figure #13
MIN.H
= 16'
10lil
Min. W = 12"
-"1
H20"
WI7"
12. With multiple steam distributors, the top steam
distributor should be at least 8" below top of
duct to avoid possible condensation on
surface of duct. The remainder of space
below is proportioned accordingly. See Figure
#13. For short steam absorption systems see
Figure #14.
Figure #14
~
Steam Header
I
/(~J
o