Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

Page: 323 / 440

Solution System 323 Service Manual – CS7000
– The
Extended Scrub Level
(float)
Switch S4
in the recovery tank must be open to prevent the
J7-15 Input
from going to battery negative. Note the switch opens when there is adequate water in the recovery
tank, and closes when the recovery tank is empty.
The Following Conditions Must be Met for the Low Pressure Wash Hose to Operate
Note: The low pressure wash hose does not require the interlocks to be closed to operate.
• The low pressure wash function must be installed in the configuration menu.
• The
400-amp Fuse F1
must be closed to provide positive voltage from the
Battery
to the load side of
Auxiliary
Contactor K9
.
• The
Ignition Switch S14
must be closed to provide positive voltage to the
Auxiliary Contactor K9
coil. The
J2-14 Output
on the
A1 Main Machine Controller
provides ground to the
Auxiliary Contactor K9
coil when the
Ignition Switch S14
provides voltage to the
Key Switch Input J7-13
.
• Circuit breaker
VACC2/CB2
must closed to provide positive voltage to the
Low Pressure Pump M23
.
• The
J3-24 Output
must provide negative ground to the
Low Pressure Pump M23
. This output will be active
whenever the key switch is on.
• The internal pressure switch in the
Low Pressure Pump M23
must be closed for the pump to run.
Note: The internal pressure switch in the low pressure pump is set to switch the pump on at 25 psi
± 5 psi (when the hose nozzle is opened), and shut pump off at 45 psi (when the hose nozzle is
closed).
The Following Conditions Must be Met for the EcoFlex™ System to Operate
The
J2-19
,
J2-7
,
J2-32
and
J2-21 PWM Outputs
provide power to the
Chemical Metering Pumps M17
and
M18
respectively under the following conditions:
• The detergent system and EcoFlex ™ system must both be installed in the configuration menu.
• The
A1 Main Machine Controller
must receive a signal from the
A3 Control Panel
via the
CAN BUS
that the
operator has pressed the scrub and EcoFlex
™
switches.
• The
A1 Main Machine Controller
must receive a signal from the
A2 Drive Controller
via the
CAN BUS
that the
machine is moving forward or reverse.
The Following Conditions Must be Met for the High-pressure Spray System to Operate
• The high pressure wash system must be installed in the configuration menu.
• The
J3-8 Output
provides positive voltage to the
High Pressure Pump Clutch
under the following conditions:
– The
A1 Main Machine Controller
must receive a signal from the
A3 Control Panel
via the
CAN BUS
that the
scrub and detergent systems are enabled.
– The
A1 Main Machine Controller
must receive a signal from the
A2 Drive Controller
via the
CAN BUS
that
the machine is in Neutral and NOT moving forward or reverse. (The feature is disables when the
machine is moving.)
• The
High Pressure Pump Clutch
must be connected to battery negative.