20
VAPORSTREAM INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Outdoor Enclosure:
• Outdoor Enclosure has two available steam distribution confi gurations:
– Standard
confi guration is a steam outlet on one side of enclosure for
connecting to steam dispersion unit piping.
– Optional internal confi guration routes steam within Outdoor Enclosure
and down through pipe chase into building.
• See Outdoor Enclosure dimensions in Table 16-1.
• Pipe chase is inside enclosure. Cover for pipe chase is provided to maintain
proper pressure in enclosure if this opening is not utilized. However, it is
recommended that this pipe chase be used for both supply water piping
and drain piping, in which case pipe chase cover should be removed.
Install insulation rated for 212 °F (100 °C) to completely fi ll area around
pipes to maintain proper enclosure pressure.
• When enclosure is pad mounted or when pipe chase cannot be used,
supply water and drain piping can be run through the knockouts —
preferably on side opposite utility connections.
• When ordered with heater package, two thermostat-controlled strip heaters
are provided to keep enclosure at constant minimum temperature: one
heater is in control cabinet section, and one heater is in front section.
• Enclosure drain is provided. In case of water leak, water will drain from
enclosure through this drain.
Left side:
12" (305 mm)
Top:
12" (305 mm)
Back:
24" (610 mm)
Right side:
36" (914 mm)
Front:
36" (914 mm)
OM-955
INSTALLATION
FIGURE 20-1: OUTDOOR ENCLOSURE CLEARANCES
Mounting