HM700A1000
33-00118—01 20
Extended Shutdown
Should it be required to disconnect power to the humidifier for
a period of extended shut-down, always drain the cylinder first.
1. Switch the On/Off/Drain Switch to the Drain position.
2. Wait until the humidifier is completely drained (usually
takes less than 10 minutes).
3. Turn the On/Off /Drain switch to the off position.
4. Shut off power to the humidifier with the external
disconnect.
5. Close the supply water shut-off valve.
NOTE: As long as the HM700 is powered, it will
automatically drain the cylinder when there has
not been a call for humidity for an extended
period of time. This feature will reduce or prevent
the possibility of corrosion of the electrodes and
the accumulation of algae and bacteria growing
in the cylinder. The cylinder will remain empty
until there is a call for humidity at which time the
fill valve will open and refill the cylinder. The unit
will go through its normal process for optimum
operation.
STARTING AFTER EXTENDED SHUTDOWN
1. Check to see the humidifier has not been damaged and
the installation has not been altered. See “Start Up
Procedure” on page 13.
2. Turn on the power to the humidifier with the external
disconnect.
3. Turn the On/Off/ Drain switch to the Drain position.
4. Wait until there is no water flowing to drain. It usually
takes less than 10 minutes.
5. Follow the start up procedure on page 13.
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