Honeywell DH65DG115 User Guide - Page 7
Main Return to Main Return, Dedicated Return to Main Return, Main Return to Main Supply, Dedicated
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TrueDRY DH65 Install to Fit Your Application Flex duct is recommended in connecting to the TrueDRY DH65 collars to reduce vibration noise. 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. M27405 WARNING: Exposed internal fan may cause injury. Ducting of the exhaust port is required. Electrical requirements: 115VAC outlet. Ground fault interrupter (GFI) recommended. Main Return to Main Return A AIR HANDLER RETURN SUPPLY Ideal when... M24745 • Running TrueDRY DH65 with A/C operation. • Minimizing discharge air temperature (DAT) increase is preferred. • Space dictates. TrueDRY M27325 Main Return to Main Supply B RETURN AIR HANDLER SUPPLY Ideal when... • Running TrueDRY DH65 opposite A/C operation. Running with A/C operation requires damper on the exhaust port to minimize backdraft when TrueDRY DH65 is not on but A/C is. BACKDRAFT TrueDRY DAMPER M27324 Dedicated Return to Main Supply • Minimizing DAT increase is preferred. • Space dictates. C RETURN AIR HANDLER SUPPLY Ideal when... • Drying a specific area of the house. SEPERATE RETURN BACKDRAFT TrueDRY DAMPER M27326 Dedicated Return to Main Return D RETURN AIR HANDLER SUPPLY • Running with A/C operation requires backdraft damper on the exhaust port to minimize backdraft when TrueDRY DH65 is not on but A/C is. • Minimizing DAT increase is preferred. Ideal when... • Drying a specific conditioned or unconditioned area, such as attic, basement, or crawl space. • Running with A/C operation. • Minimizing DAT is preferred. SEPERATE RETURN TrueDRY M27601 5 69-2089EFS-08 69-2089EFS_D.indd 5 9/22/2008 10:02:34 AM