T300e Operator Manual

MAINTENANCE
34
Tennant T300e (03- 2015)
ec-H2O NanoClean WAT ER CONDITIONING
CARTRIDGE REPLACEMENT
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, turn off machine, remove key
and set parking brake if equipped.
The water conditioning cartridge is required to be
replaced when it reaches its maximum water usage or
expiration time of when the cartridge was activated,
which ever comes first. The control panel will signal a
code when it’s time to replace cartridge. See
CONTROL PANEL OPERATION for further details.
Depending on machine usage, on average, a new
cartridge can last anywhere from 12 months for heavy
machine usage to 24 months for light machine usage.
ATTENTION: During first time use and after replacing
the water conditioning cartridge, the ec-H2O system
will automatically override the selected solution flow
rateforupto75minutes.
1. Park the machine on a level surface, remove the
key and set parking brake, if equipped.
2. Lift the recovery tank to access the ec-H2O water
conditioning cartridge (Figure 98). Drain recovery
tank before lifting tank.
FIG. 98
3. Disconnect the two hose connectors from the top
of the cartridge by pressing the gray collars inward
and pulling the connectors outward (Figure 99). Lift
cartridge to remove.
Gray
Collar
FIG. 99
4. Fill in the installation date on the new cartridge
label (Figure 100).
FIG. 100
5. Install the new cartridge and reconnect the two
hoses. Make sure the hose connectors are fully
inserted into the cartridge.
6. Reset timer for new cartridge.
Carefully read and understand all steps first before
performing procedure.
a. T urn key on.
b. Press and hold the service switch, located on
the ec-H2O module, for 10 seconds
. After
releasing service switch, the three solution flow
indicator lights will begin to (ripple) move back
and forth (Figure 101).
c. Within 5 seconds
after releasing the service
switch, while the three indicator lights are
moving back and forth, quickly
press and
release the solution flow button located on
ec-H2O module (Figure 101).
The three indicator lights will then blink
three
times
to indicate timer has been reset.
Repeat process if the three indicator lights do
not blink three times.
Service s witch
3 indicator lights
Solution flow button
FIG. 101