Honeywell DR120 Dehumidifier User Manual


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Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://customer.honeywell.com
® U.S. Registered Trademark.
© 2012 Honeywell International Inc.
68-3088-01 M.S. 03-12
Printed in U.S.A.
Installation Recommendations and Options
SUPPLY
RETURN
AIR HANDLER
TrueDRY
M33150
SEPARATE
RETURN
BACKDRAFT
DAMPER
(OPTIONAL)
GRAVITY DAMPER
A
Dedicated Return to Main Supply
SUPPLY
RETURN
AIR HANDLER
TrueDRY
M27324
BACKDRAFT
DAMPER
B
Main Return to Main Supply
SUPPLY
RETURN
AIR HANDLER
TrueDRY
M27325
C
Main Return to Main Return
TrueDRY
M33152
SEPARATE
RETURN
SUPPLY
D
Dedicated Return to Main Return
Ideal when…
• Accesstoadedicatedcentralreturnfor
TrueDRY DR65 is available.
• CombinedwithA/Coperation;requires
backdraft damper on the exhaust port to
minimize backdraft when TrueDRY DR65
is not on but A/C is.
• Providingdryairtoaspecificareawith
an optional 20% open gravity damper on
TrueDRY DR65 supply.
Ideal when…
• RunningTrueDRYDR65whennot
running A/C. Requires damper on the
exhaust port to minimize backdraft when
TrueDRY DR65 is not on but A/C is.
• Accesstoadedicatedcentralreturnfor
TrueDRY DR65 is not available.
• Systemfanshouldrunwithdehumidifier
for best results.
Ideal when…
• TrueDRYDR65willnotbeductedtoa
forced air HVAC system.
Ideal when…
• RunningTrueDRYDR65withA/C
operation.
• Systemfanmustrunwithdehumidifier.
• Minimizingdischargeairtemperature
(DAT) increase is preferred.
• Accesstoadedicatedcentralreturnfor
TrueDRY DR65 is not available.
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