OPERATION
16
Nobles Speed Scrub 500 (01-2017)
4.
When the tank needs refilling, the automatic
battery watering indicator will alert user to add
distilled water (Figure 24). See CONTROL PANEL
OPERATION for further details.
FIG. 24
ec-H2O WATER CONDITIONING CARTRIDGE
(ec-H2O MODEL)
The ec-H2O system is equipped with a water
conditioning cartridge (Figure 25). The cartridge is
designed to protect the machine's plumbing system
from potential scaling.
The cartridge is required to be replaced when it
reaches its maximum water usage or expiration time on
when the cartridge was activated, which ever comes
first.
Depending on machine usage a new cartridge can last
anywhere from 12 to 24 months.
FIG. 25
The control panel will signal the following code when
it's time to replace the cartridge (Figure 26). The
ec-H2O icon will begin to blink blue and red. See
SERVICE INDICATOR CODES for further details.
FIG. 26
All cartridges are labeled with a manufacture date. The
shelf-life of an un-installed cartridge is one year from
manufacture date. For new cartridge replacement, the
ec-H2O module timer must be reset. See ec-H2O
WATER CONDITIONING CARTRIDGE
REPLACEMENT.
ATTENTION:
During first time use and after replacing
the water conditioning cartridge, the ec-H2O system
will automatically override the selected solution flow
rate for up to 75 minutes.
CONTROL PANEL OPERATION
1-STEP BUTTON
With key turned on, press the 1-STEP button to
activate the scrub function (Figure 27). The scrub head
will lower to floor. Press button again to stop the scrub
function and to raise scrub head.
FIG. 27
BRUSH PRESSURE BUTTON
Press the brush pressure button to increase or
decrease the brush pressure (Figure 28). The brush
pressure indicator will display the pressure setting. One
LED = Low pressure, two LED's = High pressure.
FIG. 28
NOTE:
Orbital scrub head model - If brush pressure is
set too high for scrubbing conditions, the brush
pressure setting will automatically reduce to a lower
setting and begin flashing. The flashing LED alerts the
operator to reduce the brush pressure setting to
prevent brush motor overload.
