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11. Turn on the electrical power.
12. Allow the steam chamber to fill with water and initiate a humidity demand
signal (see
Figure 28 for drawing item numbers).
• IMPORTANT: Verify that the gasket seal is not leaking prior to
leaving the humidifier unattended.
– If a leak is observed in the left front or side of the gasket, loosen
backing nut (Item 7 in drawing) one turn and tighten fastener nut
(Item 2) down onto the cover flange. Continue this one turn at a time
until the leak stops.
– If a leak is observed in the right front or side of the gasket, loosen backing
nut (Item 8) one turn and tighten fastener nut (Item 3) down onto the cover
flange. Continue this one turn at a time until the leak stops.
– If a leak is observed in the rear of the steam chamber, loosen backing nut (Item 9) two turns and tighten up fastener nut
(Item 4) onto the handle. Continue this two turns at a time until the leak stops. Replace gasket if necessary.
13. If this maintenance occurred at the end of a humidification season, turn the demand for humidity down to the minimum
setting and the humidifier will go into an end-of-season drain after 72 hours.
14. If this maintenance occurred during the humidification season, turn the demand for humidity to the desired set point.
Perform steam chamber cleaning and humidifier maintenance at the end of the humidification season.
• If softened water is used, the steam chamber may not need cleaning until after several humidification seasons.
•
IMPORTANT: The steam chamber should be removed after the first season of use to observe the amount of
collected minerals in the
chamber.
• If there is more than ½” (13 mm) of minerals in the steam chamber after one season of use, clean the chamber annually.
• If it is determined that cleaning is necessary every two or three seasons, then the only off-season shut-down procedure
required is to turn the demand for humidity down to the minimum setting.
• The steam chamber will go into an end-of-season drain after 72 hours without a demand for humidity.
• When humidification is desired, turn the demand up to the desired set point and the system will start up.
OFF-SEASON SHUT DOWN PROCEDURE
OM-4019
1
2 3
5
6
4
9
7
8
FIGURE 28 – Steam Chamber
with Closed Fastener
Chamber cover
31