SP8026-1909
EVOLUTION ELECTRIC STEAMER
11
Water Over-Fill
Sensor Switch
(OPTIONAL)
Reed Switch:
AT0A-3519-2
Float Ball:
AT0P-3233-1
• Magnetic Reed Switch is used in conjunction with a Float Ball.
If the water rises too high, the switch opens and turns o the
steamer.
• When the switch opens, the High Water Overfill LED will light. The
user will have to drain the water out and turn the steamer back ON;
otherwise, the steamer will remain shutdown.
Control Relay #1
(AC)
AT0E-2825-5
• Controls AC Volt input & output signals which provide actions from
the Water Sensor Board and Auto-Fill Valve (if installed).
Door Switch AT0A-3660-1
• Magnetic Switch used to ensure that the door is closed and latched
prior to generating steam
• Solid State Relays will not activate if this switch is not closed (Door
Open).
Chamber
Pressure Switch
S#: 34769 &
Up
AT0E-3617-4
S#: 34768 &
Lower
AT1A-3847
• Normally closed switch that allows pressure to build-up inside the
steam chamber.
• Opens when the steam chamber pressure reaches 1/2” Water
column
• Solid State Relays will not activate if this switch is not closed (Door
Open).
Solid State Relay AT0E-2059-3
• Provides line voltage to the Cast Heater elements, once the
Controller/Keypad Board sends the 24V control signal to the
relay(s).
• The relay(s) are only activated if the Door Switch & Chamber
Pressure Switch are closed.
• The number of Solid State Relays used, depends on the phase and
wattage needs of the unit.
Component Part # Purpose
Auto-Fill Valve
(OPTIONAL)
AT1A-5192-
1 (below SN
58694)
AT1A-5185-1
(SN 58695
onwards
• Solenoid Valve that allows water to flow into the steam chamber;
that is controlled automatically by the Water Board based on inputs
from the Water Sensor Probes.
2.0 Main Component Information
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