Nortec NH Series, Installation Manual, Page: 44 / 110

10-10
Page 28
2006-09-15
(3) Insert the sliding panel into the base.
(4) Fasten pivoting head to the sliding panel with 0.375 in. UNC x 1 in. bolt, nut and
washer assembly (factory supplied).
(5) Mark the location of the four holes and drill four x 0.500 in. (12.7 mm) holes.
(6) Fasten side frame to base of manifold with 0.375 in. UNC x 1 in. bolt, nut and washer
assembly (factory supplied).
(7) Insert the manifold into the duct and slide the steam outlet and condensate drain into
the cut out holes. Mark the location of the four holes of the mounting brackets and four
holes of the pivoting heads of the mounting frame to the sides of the duct.
NOTE
Remember to keep a 10
°
angle to allow condensate outlet to be at the lowest
points.
(8) Drill eight x 0.500 in. (12.7 mm) holes at the marked locations.
(9) Fasten manifold using a bolt, washer, and nut assembly. (Field supplied).
CAUTION
DO NOT PULL OUT THE STEAM TUBES ONCE INSTALLED, THIS
COULD DAMAGE THE GASKET.
(10) Insert all steam tubes into the main header. Make sure all nozzles offset each other by
rotating the steam tubes. See Figure 21.
NOTE
1. Applying water to the gasket will help to slide the steam tubes into
place.
2. Do not lift manifold by steam tubes when installing.
3. Nozzles must be perpendicular to airflow.
(11) Fasten the top steam tube bracket to secure all steam tubes using a bolt, washer and
nut assembly (factory supplied). See Figure 22. Then fasten top steam tube bracket to
side frame using a bolt, washer, and nut assembly. See Figure 24.
D. DRAIN WATER COOLER OPTION
(1) Figure 27 displays the typical drain water cooler installation.