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ULTRA-SORB MODEL MP INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
OPERATION
1. Turn on humidification steam to the Ultra-sorb supply header:
• Pressurized steam: Open the modulating steam valve.
• Evaporative
humidifi er: Follow the startup instructions in the humidifi er's
Installation, Operation, and Maintenance Manual.
2. Check for piping leaks.
3. See “Steam traps” on page 24.
4. Check the dispersion tubes for leaks.
5. Ensure that the dispersion tubes are oriented with the tubelets at a right
angle to the airflow. See Figure 9-1.
6. Check for any other leaks from steam and drain connections.
7. Ensure that the P-traps are operating.
• At the beginning of the season, ensure there is a stream of water from
condensate drain when operating.
1. If not, verify P-trap is not blocked.
2. If steam is blowing out of the P-trap, it needs to be primed.
3. Verify the P-trap is tall enough to contain panel operating pressure
(see page 10 or 11).
4. Duct static pressure > 2.5" ( 63.5 mm) wc may require a taller
P-trap.
Startup
