34
STS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Install a drip tee as shown below when the humidifi er is mounted higher than
the dispersion assembly, when interconnecting hose or tubing needs to go over
an obstruction, or when interconnecting piping runs are long.
Important:
Steam hose must be supported to prevent sagging or low spots.
INSTALLATION
DC-1470
STS humidifi er
Funnel or fl oor drain
3/4" (DN20)
1" (25 mm) air gap
8" (200 mm)
minimum
6" (150 mm)
minimum
To dispersion device
Insulate tubing and to
reduce steam loss
90° long sweep or
two 45° elbows
Obstruction
Pitch
Tubing drip tee, by installer.
DriSteem part number for 304 stainless steel
in-line tee: 2" diameter (DN50): No. 162712
Notes:
•
Locate air gap only in spaces with adequate temperature and air movement to absorb fl ash
steam; otherwise, condensation may form on nearby surfaces. Refer to governing codes for
drain pipe size and maximum discharge water temperature.
• Support steam hose so there are no sags or low spots.
• Dashed lines indicate provided by installer.
Dispersion: Drip tee installation
FIGURE 34-1: DRIP TEE INSTALLATION (PIPING OVER AN OBSTRUCTION)