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S
3 - I
ECTION
NSTALLATION
3.8 Main Electrical Supply Connection
WARNING!
Check that the circuit breaker/fused
disconnect is in the OFF position and
that the unit is switched off before
making the electrical utility connections.
IMPORTANT
In some cases, local codes dictate that
electrical supply connections be made only
by a certified professional.
1. Check that the incoming power leads are
of sufficient rating for the appliance's
current draw. Amperage and minimum
supply wire specifications are shown on
the serial plate and on the electrical infor-
mation label on the control box.
2. Remove the top cover panel from the
electrical control box by removing the four
screws that hold it in place.
3. Locate the strain relief for the electrical
supply wiring on the back of the control
box (Figure 3-4). Thread the incoming
supply leads through the strain relief and
to the main electrical supply terminal block.
4. Refer to Figure 3-5 and the electrical wiring
diagram. Connect the power supply and
ground leads as indicated.
5. Adjust the strain relief to fasten the wiring
in place. You should leave enough slack
in the wiring to prevent stress on the
terminal connections.
Figure 3-5: Main electrical supply
connections
L1, L2 and L3 = "hot" (line)
GND = ground
Page 8
3.9 Dispensing System Overview
K-Series rack conveyor dishwashers are
designed for use with a liquid rinse additive,
and either solid or liquid detergents. Detergent
and rinse additive injection is supplied by
external dispensing systems (supplied by
others).
The machine is equipped with:
•
A location for detergent injection at the
load end of the machine (see Figure 3-6).
-
Machines equipped with a prewash
section (K-66, K-76, K-80, K-86, K-90,
K100) have a pre-plumbed tubing
raceway exiting the machine at this
location. The raceway is routed to deliver
detergent into the wash tank. Solid or
liquid detergent lines can be routed
down the raceway and into the tank.
-
Machines that are NOT equipped with
a prewash section (K-44, K-54,
K-64), have a dummy plug at this
location. Removal of the plug allows
the detergent line to be installed for
direct chemical injection into the wash
tank at this location.
•
A dummy plug in the floor of the wash tank
that permits the installation of a detergent
concentration probe.
•
A final rinse plenum chamber with a fitting
for a liquid rinse aid line (see Figure 3-7).
A threaded pipe connection just below the
plenum allows the installation of a final
rinse pressure switch.
A dispensing system terminal block inside the
control box of the machine provides contacts
for two line voltage relays. These relays,
when closed, provide a "window" for external
pump systems to activate.
•
A relay labeled "DDC" (Detergent
Dispenser Connection) closes whenever
the wash pump is in operation. This relay
should be used for the detergent dispenser.
•
A relay labeled "CVS" (Conveyor Voltage
Signal) closes whenever the conveyor
drive motor is in operation. This relay
should be used for the rinse aid dispenser.
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