Specifications
45
VAPORMIST INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
2. Loosen the four cover bolts and remove the cover assembly from the tank.
3. Inspect the tank interior for debris or pitting.
4. Inspect the valve inlet for debris.
5. Check the operation of the float valve and the condition of the float seat.
6. Check the low water switch to make sure the float slides freely on the stem.
7. Secure the chamber cover making sure the cover gasket is seated and the
chamber is sealed.
8. Reinstall the evaporating chamber.
• Reconnect the fill line.
• Reconnect electrical plugs (the plugs are color coded).
• Reconnect drain union.
• Reconnect steam hose.
9. Verify electrical connections:
• Verify that all DIN rail-mounted components are securely fastened to DIN
rail.
• Verify that all power terminal screws and lugs are tight from power block
to heaters.
• Verify that all plugs under the humidifier cover are completely plugged
in.
10. Close the drain valve.
11. Turn on the water supply.
12. Turn on the electrical power.
OFF-SEASON SHUT-DOWN PROCEDURE
1. Switch off electric power.
2. Remove the enclosure.
3. Shut off the water supply to the makeup valve.
4. Drain the evaporating chamber by opening the drain valve. For units with
an end-of-season drain, refer to the Vapor-logic version 5 Installation and
Operation Manual.
5. Replace the enclosure.
6. Leave the evaporating chamber dry, the power off, and the water shut-off
valve closed until the next humidification season.
mc_061610_1520
MAINTENANCE
RO/DI water option
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.
mc_031110_0444