Pkd24A Operational Cycle - Perlick PKD24A Owner's Manual

1.2.

PKD24A Operational Cycle

The PDK24A Operational Cycle has a total cycle time of 2 minutes (120 seconds). The
Timing Diagram and the steps listed below detail the individual functions that are
executed during each Operational Cycle.
0 10
Seconds:
Instant
Start Relay
Cam 1
Cam 2
Cam 3
Cam 4
Cam 5
Cam 6
Cam 7
Cam 8
1. With the machine powered on, toggling the START switch begins a cycle.
a) Toggling the START switch energizes both the cam timer motor and the instant
start relay. The instant start relay latches ON the power to the cam timer motor so
that the START switch can be released a moment after it has been toggled without
the cam timer motor losing power.
b) After about 2 seconds, Cam 1—the Start cam—latches ON the power to the cam
timer motor and drops out the instant start relay. The cam timer motor continues to
run for a total of 2 minutes, at which time it switches OFF—resetting the cam
timer—and waits for the next start command.
2. Cam switch 7 controls the pump motor. The pump motor comes ON at the beginning
of the operational cycle and continues to run until the end of the drain function
(controlled by cam switch 3), at which time it turns off for about eight seconds
allowing time for the machine to refill enough to avoid running the pump dry before
the pump motor restarts and runs to the completion of the operational cycle.
PKD24A
INSTALLATION & OPERATION MANUAL Rev. 11.07.22
20 30 40 50
WAS
60 70 80 90
DRAIN
100 110 120
RINSE
PAGE
Start/Stop
Detergent
Drain/Rack
Counter
Flush/Fill
Sanitizer
Rinse
Pump Motor
Heater*
3