25
Series GEN 2 Ultrasonic Humidifier IOM Manual
Temperature Sensor on Water Tank
The temperature sensor is mounted on the front of the tank near
the
fl
oat switches.
1.
Carefully cut the wire tie holding the sensor cable and remove the
nylon screw holding the sensor in place.
2.
Remove the sensor and save the mica pad and nylon screw to
mount the new sensor (Photo 15).
3.
Remove the terminal connector from the sensor and connect it to
the new sensor. Ensure the three slots in the terminal connector are
oriented upwards (Photo 16).
4.
Install the new sensor to the tank together with the saved mica pad.
Cable tie the sensor cable restrain it.
5.
Referring to the Reassembling section, reassemble the unit by
reversing the procedure described in Preparation for Repairs
(Removal of Water Tank).
Replacing a Transducer
1.
Referring to the Preparation for Repairs (Removal of Water Tank)
section, place the water tank on a well-lit work surface.
2.
To replace a transducer, remove the two transducer lead wires,
(yellow and orange) from the nebulizer print plate (Photo 17).
CAUTION
Grasp the terminals when removing wires. Never pull the lead wires.
3.
Using a 5.5 mm nut driver, remove the transducer mounting nuts (2
pieces) and remove the transducer, spacer and O-ring. Save the
nuts to mount the new part (Photo18).
4.
Clean the spacer, O-ring groove and O-ring.
5.
Assemble the new transducer with the spacer and O-ring.
6.
Install them with the saved mounting screws (Photo 19).
NOTES
Ensure the O-ring is not damaged. If it is damaged, replace it
with a new one.
Carefully align the transducer’s rubber packing in the
indent in the bottom of the water tank to prevent leakage.
The mounting screws must be evenly tightened. Do not
overtighten.
7.
Connect the lead wires to the nebulizer print plate.
The colored lead wires must be inserted as shown on the plate.
(Orange wire to ORG, Yellow wire to YEL)
8.
Refer to the Reassembling section and reassemble the unit by
reversing the procedure described in the Preparation for Repairs
(Removal of Water Tank) section.
15
Mic
a
P d
Senso
Nylon
Scre
Slot
Terminal
Connecto
16
19
17
18
Summary of Contents for DAH
Page 41: ...Series GEN 2 Ultrasonic ...
