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Series GEN 2 Ultrasonic Humidifier IOM Manual
24
Replacing a Nebulizer Print Plate
1.
Referring to Preparation for Repairs (Removal of Water Tank)
section. steps 1 - 5, Preparation for Repairs, place the water
tank on a well-lit, padded work surface.
2.
Using a 5.5 mm nut driver, remove the print plate mounting
nuts (2 pieces) and remove the plate.
3.
Save the nuts and insulating parts to mount the new print plate
(Photo 20).
4.
Remove the four interconnecting wires from the terminals of
the plate to be replaced (Photo 21).
5.
Install the new plate together with the silicon sheet provided
using the saved insulating parts and mounting screws
(image 22).
6.
Connect the nebulizer print plate interconnecting
wires
(black to H, white to G) and
transducer lead wires
(orange to ORG, yellow to YEL)
NOTE
:
When the nebulizer print plate is replaced, it is
recommended that the transducer be replaced also.
7.
Referring to the Reassembling section, reassemble the unit
by reversing the procedure described in the Preparation for
Repairs Removal of Water Tank section.
Water Solenoid Valves, Float Switches and Level Control
Board
1.
Refer to the Removal of Water Tank section and remove the
tank from the base.
2.
Place the tank on a well-lit, padded work surface (Photo 23).
3.
Cut the wire ties bundling the solenoid valve and float switch
lead wires.
NOTE:
Be careful not to damage the lead wires.
4.
Unscrew the wires of the parts to be replaced from the terminal
connectors on the level control board.
Fill Solenoid Valve
1.
Remove the pipe
fi
tting from the inlet side of the solenoid
valve.
2.
Turn
the float panel over and remove the solenoid valve
mounting screws (2 pieces, Photo 24).
3.
Remove the elbow on the outlet side and install it on the new
solenoid valve on the outlet side. Be sure to seal the fitting
with T
eflon tape (
Photo 25).
Ensure the elbow is facing the correct direction.
4.
Install the new solenoid valve to the float panel and re
-install
the pipe
fi
tting.
Ensure the O-ring is not damaged.
If it is damaged, replace it with a new one.
20
21
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Summary of Contents for DAH
Page 41: ...Series GEN 2 Ultrasonic ...
