Installation Information

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
AIR HANDLER
TrueDRY
M33150
SEPARATE
RETURN
BACKDRAFT
DAMPER
(OPTIONAL)
GRAVITY DAMPER
TrueDry DR65 Dehumidication System 69-2089EFS—12 5
Flex duct is recommended in connecting to the TrueDRY DR65 collars to reduce vibration noise.
M24745
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 branches, 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
AIR HANDLER
TrueDRY
M27324
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.