Specifications

40
VAPORMIST INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Tap/softened water
MAINTENANCE
WARNING
Hot surface and hot water hazard
Do not touch the tank or drain piping
until the unit has had sufficient time to
cool, or serious injury can occur.
Opening the drain valve when the
tank is hot can discharge water with a
temperature up to 212 °F (100 °C) into
the plumbing system. This can cause
damage to the plumbing system if the
humidifier is not properly connected
to a water tempering device such as a
DriSteem Drane-kooler™.
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WARNING
Electric shock hazard
Contact with energized circuits can
cause severe personal injury or
death as a result of electric shock. To
prevent shock, disconnect electrical
power before performing service or
maintenance procedures on an part of
the humidification system.
When performing maintenance on the
humidifier:
• Always switch the keypad control
mode to Standby.
• Place all power disconnects in OFF
position and lock in OFF position.
• Close the field-installed manual
supply water shut-off valve.
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The best way to determine how often your humidifier needs maintenance is to
remove the tank cover and inspect it for mineral deposits after three months
of duty. Hours of operation and duty cycle will determine your maintenance
schedule, as will water quality.
WATER QUALITY AND MAINTENANCE
Maintenance requirements vary with water quality, because tap and softened
water carry a variety of minerals and other materials in a mix that varies from
location to location. Very hard (high mineral content) water requires more
frequent cleaning and drain/flush cycles than water with low mineral content.
Softened water significantly reduces mineral accumulation inside the humidifier.
Note: Solids, like silica, are not removed in the softening process.
SKIM DURATION
Skim duration determines the quantity of water skimmed with each fill cycle
and is field adjustable using the Vapor-logic keypad/display.
Skimming reduces the need for frequent humidifier cleaning. Each time the
tank refills, it fills to a level just above the lip of the skim/overflow fitting. A
portion of the fill water flows out of the skim/overflow fitting to the drain, which
flushes minerals left by the previous evaporating cycle and skims away surface
residue.
Both humidifier cleaning and heated water flowing to the drain are operational
costs. DriSteem recommends that the user observe and adjust the skim duration
to achieve a balance between reducing mineral buildup and conserving
heated water.
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