Install to Fit Your Application
Ideal when…
• Access to a dedicated central return for
TrueDRY DR65 is available.
• Combined with A/C operation; requires
backdraft damper on the exhaust port to
minimize backdraft when TrueDRY DR65
is not on but A/C is.
• Providing dry air to a specific area with
an optional 20% open gravity damper on
TrueDRY DR65 supply.
Dedicated Return to Main Supply
SUPPLY
RETURN
TrueDRY
SEPARATE
RETURN
BACKDRAFT
(OPTIONAL)
GRAVITY DAMPER
TrueDRY™ DR65 Dehumidication System 69-2089EFS—14 5
Flex duct is recommended in connecting to the TrueDRY DR65 collars to reduce vibration noise.
Electrical requirements:
115 VAC outlet. Ground fault
interrupter (GFI) recommended.
Duct Sizing: Use minimum 8-in. diameter round for duct
lengths up to 25 ft. Minimum 10-in. required for lengths
longer than 25 ft. Duct branches from the main inlet/
exhaust should be minimum 8-in. round for 2-3 branch-
es, and 8-in. round or larger for 4 branches or more.
Isolated Areas: Effective dehumidification may require
ducting to isolated or stagnant air flow areas.
A
SUPPLY
RETURN
TrueDRY
BACKDRAFT
DAMPER
B
Main Return to Main Supply
Ideal when…
• Running TrueDRY DR65 when not
running A/C. Requires damper on the
exhaust port to minimize backdraft when
TrueDRY DR65 is not on but A/C is.
• Access to a dedicated central return for
TrueDRY DR65 is not available.
• System fan should run with dehumidifier
for best results.