Checkout; Cleaning - Honeywell TrueDRY DR90-AP Professional Installation Manual

Checkout

Apply power to TrueDRY DR90-AP. Turn the humidity control to a low RH% level to initiate a dehumidification call.
Confirm that the TrueDRY DR90-AP compressor and fan turn on. The furnace blower will also turn on to circulate
air. This will take up to two minutes. Be sure to turn the control to the desired RH% or to Off when checkout is
complete.
Cut and remove plastic strap
1
holding compressor in place.
This strap is only used for
shipping.
If using for ventilation, initiate a
3
call for ventilation. Confirm that
the DR90-AP fan turned
on, but that the compressor
remained off.

Cleaning

On an annual basis, maintenance is required to ensure TrueDRY runs at peak efficiency.
Unplug TrueDRY
1
DR90-AP before
beginning service
Remove the
magnetic filter
door and the filter
shipping bracket
from side of unit to
access filter.
Remove cover on output side of dehumidi-
3
fier. Using a damp cloth, remove excess
dust and debris from blower and internal
cabinet. Reattach cover when finished.
When service is complete, initiate a call for dehumidification and check that the compressor
5
and fan activate. If using the TrueIAQ controls, reset maintenance reminders.
28
Apply power to TrueDRY
2
DR90-AP. Turn humidity
control to a low RH% to initi-
ate a dehumidification call.
Confirm that the compressor
and fan turn on. The furnace
blower will also turn on to cir-
culate air. Be sure to turn the
control to the desired RH% or
to Off when the checkout is
complete.
Remove filter
2
(50049536-003)
and replace
with new filter.
Check the drain connection and drain
4
line to ensure it is clear of debris and
sludge. Ensure all hose connections are
secure once maintenance of the drain
lines is complete.
TrueDry DR90-AP Dehumidification System 50077470-001