GeneralAire DS20 Elite Steam - Manual (Page 7)

Installation, Operating and Maintenance Manual
7
Duct Distribution
If a duct steam distribution nozzle is to be used, selected an accessible location on the duct,
allowing at least 18” of straight duct (no elbows or obstructions) after the point where the nozzle will
be installed and the clearances can be maintained as per the following drawings.
To mount the steam distributor nozzle, cut or drill a 2-1/2” hole in the duct. Apply caulk to the
mounting plate of the nozzle. Attach the nozzle to the duct using 4 #10 sheet metal screws
(supplied). Nozzle must be level with condensate outlet to bottom.
Steam Hose Installation
The humidifier must be connected to the distributor nozzle
using the GeneralAire hose supplied or other hose suitable
for use with steam and condensate. The use of unsuitable
tubing may cause weakening and cracking and consequently
steam leaks.
Installation of the steam hose is absolutely critical.
95% of all operational problems are traced back to
improper hose installation.
Steam must flow through the hose, and condensate must flow back. Avoid any kinks, sags or
areas where condensate can become trapped as it will impede the free flow of steam, putting
pressure on the humidifier cylinder.
The steam hose must slope 20% up and away from the humidifier or 5% down and away.