Armstrong ERS-LC Series Manual page 15

Fig. F 2-3: Vertical ducts
In vertical ducts where the air flow is
upward or downward, the steam dis-
tribution pipe(s) must be tilted by 15°
sideways
Fig. H 2-3. d = Diameter of the duct
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit armstronginternational.com for up-to-date information.
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Fig. G 2-3: Ducts with limited height
In ducts with limited height, the distribution
pipe(s) can be tilted by 30° to get the 3.15 in.
(80 mm) minimum height
Fig. I 2-3. D = Distance between two tubes
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