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
outlet. 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 69-2407—01
6
SUPPLY
RETURN
AIR HANDLER
M27601
TrueDRY
SEPARATE
RETURN
D
Dedicated Return to Main Return