Steam Components; Steam Generator Assembly - GE Profile DPVH890EJ Technical Service Manual

Functional Operation
1. Line voltage is applied through the control relay
K9 to tab J20 on the power control board.
2. The steam generator calrod is energized.
3. The timer is bypassed by the 230°F thermostat.
4. The water valve will not turn on while the timer
is bypassed.
Steam Generator
Hot Line L1
230 o F
Control
403 o F
15
J20
4
1000 W
5. The 230°F thermostat reaches set point
temperature and opens the contacts.
6. The timer is set and starts the 4-second timing.
7. This energizes the water valve and starts the
2-1/4 ounce fi ll of the steam generator water
reservoir.
8. The water fi lls until the 230°F thermostat resets
or the 4-second timer stops, completing one
cycle.
9. When the 230°F thermostat rests, the cycle
repeats.
Steam Generator
230 o F
Hot Line L1
Control
403 o F
15
J20
4
1000 W

Steam Components

Neutral Line
3
Timer Water
Valve
(4 Sec.)
Closed 2
2 1
Neutral Line
3
Water
Timer
Valve
(4 Sec.)
Open
2 2 1

Steam Generator Assembly

WARNING: The steam generator assembly is NOT
grounded and may present a risk of electric shock
during servicing. Disconnect electric power prior to
servicing.
The steam generator assembly is available as an
assembly only. The assembly includes: a heating
element, water pan, safety thermostat (428°F),
cycling thermostat (235°F), and the water-tight
housing.
The gas dryer generator is a 500W unit and the
electric dryer generator is a 1000W unit.
To remove the steam generator assembly:
Caution: To avoid marring the control panel, place
the panel face down on a protective surface.
1. Remove the control and top panels. (See
and
Panel Top Panel.
2. Remove the wire tie from the left side of the
front shield.
3. Remove the 2 Phillips-head screws (1 on each
side) from the shield.
Wire Tie
4. Push each inside bottom corner of the front
shield forward while lifting the shield vertically.
Inside left bottom corner area shown.
– 35 –
Control
)