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Checkout; Cleaning - Honeywell TrueDRY DR90 Installation Manual

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Checkout

Apply power to TrueDRY DR90. Turn the humidity control to a low RH% level to initiate a dehumidification
call. Confirm that the TrueDRY DR90 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.

Cleaning

On an annual basis, maintenance is required to ensure TrueDRY runs at peak efficiency.
Unplug TrueDRY DR90 before beginning
1
service. Remove the magnetic filter door.
Remove the panels on each side of the
3
TrueDRY DR90. Using a damp cloth,
wipe excess dust and debris from
blower, refrigerant coils, and compres-
sor coils. Reattach cabinet panels when
finished.
10
Remove filter (50049536-003) and
2
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.
When service is complete, initiate
5
a call for dehumidification and
check that the compressor and fan
activate. If using the VisionPRO IAQ or
TrueIAQ controls, reset maintenance
reminders.
TrueDry DR90 Dehumidification System
69-2407EFS—01

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