Honeywell TrueDRY DR90 - Plumbing

Ideal when…
• Drying a specific area of the house.
• Running with A/C operation requires
backdraft damper on the exhaust port
to minimize backdraft when TrueDRY
DR90 is not on but A/C is.
SUPPLY
RETURN
AIR HANDLER
TrueDRY
M27326
SEPARATE
RETURN
BACKDRAFT
DAMPER
C
Dedicated Return to Main Supply
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.
Connect 1/2-in. drain tube to male connection drain out-
let. Secure drain tube to connector with hose clamp.
Run drain hose continuously downhill to an approved
drain or condensate pump.
Plumbing
Install to Fit Your Application (continued)
TrueDry DR90 Dehumidication System 69-2407EFS—01
6
SUPPLY
RETURN
AIR HANDLER
M27601
TrueDRY
SEPARATE
RETURN
D
Dedicated Return to Main Return