Heater Assembly; Triac - GE DPVH880EJ Technical Service Manual

Heater Assembly

WARNING: Sharp edges may be exposed when
servicing the dryer. Use caution to avoid injury.
Wear Kevlar gloves or equivalent protection.
The heater assembly is located behind the drum.
It consists of 2 open coils fastened to a single
housing. The inner coil is controlled by a relay on the
power board. The outer coil is controlled by a triac
attached underneath the power board support.
When energized, each coil draws approximately
12.5 amps at 240 VAC. Each coil has an approximate
resistance value of 19.2 Ω.
To access the heater assembly, it is necessary to
remove the drum. (See
Drum
be removed from the coils, inlet safety thermostat,
inlet control thermistor, and high limit thermostat.
(See
Component Locator Views
is attached to the cabinet with 4 Phillips-head
screws.
Inner Coil
.) Lead wires can then
.) The heater assembly
Outer Coil
– 43 –

Triac

The triac is mounted beneath the power board
support located under the top panel.
Note: The replacement triac comes with heatsink.
To remove the triac:
1. Remove the control and top panels. (
Panel and Top Panel.)
2. Mark and remove the three wires from the triac.
3. Remove the 2 Phillips-head screws that attach
the triac heatsink to the power board support.
Heatsink
Triac
MT1
Gate
MT2
MT1 – Orange wires
MT2 – Blue wire
Gate - Grey wire
See Control