Jackson 24P-NSU Service Manual page 13

General Description:
The timer is a solid state, 4 channel CMOS device with a 120V, 50 or 60 cycle, 1 amp rating. AH
components are environmentally encapsulated and quick connect terminals are marked (or corresponding
wires.
Principle of Operation:
Wash cycle function: (Machine must fill before cycle will start.) Upon closure of door switch. cycle light will
come on and remain on for the 150-second cycle. At the same time, a 2-second rinse preheat Interval will
begin. After the preheat, the wash cycle will start and last 130 seconds. Between wash and rinse, there Is a
4-second dwell followed by a 15-second rinse. Cycle by opening and closing door switch at the end of cycle
or at any point In the cycle.
Drain cycle function: (Power switch must be in off position and door switch closed.) When power switch is
pushed to the drain position and released, a holding circuit is established between R4 drain relay and the
timer. The machine will drain for 60 seconds and then break the holding circuit. Cycle is reset by opening
and closing door switch and pushing power switch to drain and releasing.
Timer
P/N 0174400
TIMER for MODEL 24
DISHWASHERS
9