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Idiomas disponibles
Idiomas disponibles
Install to Fit Your Application
Flex duct is recommended in connecting to the DR90 collars to reduce vibration noise.
Main Return to Main Return
A
RETURN
DR90
Main Return to Main Supply
B
RETURN
DR90 Dehumidification System 69-2407EFS—02
AIR HANDLER
AIR HANDLER
SUPPLY
BACKDRAFT
DAMPER
DR90
Duct Sizing: Use minimum 10-in. diameter round for
duct lengths up to 25 ft. Minimum 12-in. required for
lengths longer than 25 ft. Duct branches from the
main inlet/exhaust should be minimum 10-in. round
for 2-3 branches, and 12-in. round or larger for 4
branches or more.
For the optional fresh air ventilator port, use 6-in.
round, insulated duct for lengths up to 50 ft.
Use 8-in. round duct for more than 50 ft. of if more
than 100 CFM is required.
Isolated Areas: Effective dehumidification may require
ducting to isolated or stagnant air flow areas.
Electrical requirements:
115 VAC outlet. Ground fault
interrupter (GFI) recommended.
Ideal when...
SUPPLY
•
Running DR90 with A/C operation.
•
Minimizing discharge air temperature
(DAT) increase is preferred.
•
Space dictates.
M27325
Ideal when...
•
Running DR90 opposite A/C operation.
Running with A/C operation requires
damper on the exhaust port to
minimize backdraft when DR90 is not
on but A/C is.
•
Space dictates.
M27324
M24745
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