6-36 l Troubleshooting
Replacing the Regeneration Heater
(D3200 - 5000)
1 Stop the dryer, disconnect and lockout the main power.
2 Locate the heater. Open the side panels of the dryer locating the
heater which is secured to the inlet of the desiccant wheel assembly
by brackets and clamps. .
3 Disconnect the main power leads at the junction box inside the frame of the
dryer. In units with two heaters (D3200 and D5000), it may be necessary to meas-
ure resistance across the power leads of the heater tube to determine if the heater
needs to be replaced. In a good element, the resistance across all three legs should
be +/- 5% resistance variation when measured leg-to-leg, and high resistance from
each leg to ground. Readings other than this indicate a defective heater.
4 Disconnect the high temperature switch cables at the quick disconnects.
5 Loosen the pressure clamps at the top and bottom of the heater tube connection
and slide the clamp and its silicon gasket back and away from the heater tube to
remove the defective regeneration heater tube. D3200-5000 model dryers heater
clamp(s) are secured to the dryer with metal brackets, loosen the clamp that se-
cures the heater tube to the bracket to remove it from the dryer.
(continued)
IMPORTANT
: Always refer
to the wiring diagrams
that came with your dryer
to locate specific electri-
cal components. Illustra-
tions in the User Guide are
intended to be representa-
tive only.
Heater
tube
Clamps and
Gaskets
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