Honeywell DR90 Dehumidifier User Manual


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Ideal when…
• TrueDRYwillnotbeductedtoaforced
air HVAC system.
Attach3/4”maleNPTdrainnozzle.
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/DR120DehumidicationSystem69-2690EFS—04 7
TrueDRY
M33152
SEPARATE
RETURN
SUPPLY
D
Dedicated Return to Main Return
SUPPLY
RETURN
AIR HANDLER
TrueDRY
M27325
C
Main Return to Main Return
Ideal when…
• RunningTrueDRYDR90/DR120withA/C
operation.
• Minimizingdischargeairtemperature
(DAT) increase is preferred.
• Accesstoadedicatedreturnisnot
possible.
NOTE: Running TrueDRY after A/C shutoff
may cause excess water on A/C evaporator
coil to re-humidify air for a short amount of
time.
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