dependent on water supply conditions and humidifier
usage. Failure to replace the cylinder at the end of
cylinder life may result in unit damage. Walter Meier
(NORTEC) is not responsible for any damages
resulting from, or attributable to, the failure to replace a
used cylinder (see Manufacturer’s Warranty).
REMOVING THE OLD CYLINDER
n
See Figure # 5.
1. Turn off the water supply to unit.
2. The old cylinder must be drained completely
before removing. This is done by pushing the
auto on/off/drain switch to the “drain” position.
3. When completely drained, push the auto
on/off/drain switch to the “off” position.
4. Open the main disconnect during the entire
cylinder change operation.
5. The power wires to the cylinder are attached
by cylinder plugs to the electrode pins on top of
the cylinder. Pull these plugs vertically off the
pins. See Figure # 5.
6. Using slot screwdriver, loosen the steam hose
clamp(s) and pull steam hose off vertically.
7. The cylinder is now ready to be lifted out of
the unit.
INSTALLING THE NEW CYLINDER
1. The reverse procedure should be followed to
install a new cylinder. The main disconnect is
to be left open until the cylinder is completely
installed and reconnected.
2. Ensure that the cylinder mounting stubs are
seated properly in the allotted side mounting
slots within the unit.
3. The white sensor plug on all units is for the
sensor pin, which always goes on the single
pin offset from the others. See Figure # 6.
4. Ensure that cylinder plugs are very snug on
the pins. Replace any loose fitting plugs as
these may result in hazardous operation.
MAINTENANCE
WARNING!
The plumbing and electrical
compartments contain high voltage components and
wiring. The access cover is attached with screws.
Access should be limited to authorized personnel
only.
EXTENDED SHUTDOWN
Before disconnecting power to the humidifier for a
period of extended shutdown, ALWAYS DRAIN the
cylinder first. Otherwise, the electrodes are subject to
harmful corrosion which drastically shortens the
cylinder life. Do NOT leave the switch in the DRAIN
position indefinitely as the drain coil could burn out.
Leave the switch in the OFF position and “open” the
main external fused disconnect to stop power to the
humidifier. Close the shut off valve in the water
supply line feeding the humidifier.
TROUBLESHOOTING
TERMS USED
F.L.A. (Full Load Amps):
Refers to amps listed
on the humidifier specification label.
SHORT CYCLING:
When the ‘on time’ of the
humidifier is less than ten minutes upon a call for
humidity. To correct short cycling, all humidifiers have
a capacity adjustment which allows the output of the
humidifier to be reduced to as low as 20% of rated
output, thus extending the ‘on time’ required to
maintain output.
- 4 -
Cylinder
Plug
Cylinder Pin
Cylinder Pin
Cylinder Pin
Cylinder Pin
Cylinder Pin
White
Sensor Plug
Sensor Pin
Sensor Pin
3Ø
1Ø
Figure #6
Plugs
Содержание MES Electrode
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