Honeywell TrueDRY DH90 Specifications page 2

Installation Recommendations and Options
Main Return to Main Return
A
RETURN
TrueDRY
Main Return to Main Supply
B
RETURN
Dedicated Return to Main Supply
C
RETURN
SEPERATE
RETURN
Dedicated Return to A/C Return
D
SEPERATE
RETURN
Unducted
E
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://yourhome.honeywell.com
® U.S. Registered Trademark.
© 2008 Honeywell International Inc.
69-2146—01 M.S. 07-08
AIR HANDLER
AIR HANDLER
TrueDRY
AIR HANDLER
TrueDRY
AIR HANDLER
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TrueDRY
M27327
Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Toronto, Ontario M1V 4Z9
Ideal when...
SUPPLY
• Running TrueDRY DH90 with A/C operation.
• Minimizing discharge air temperature (DAT) increase
is preferred.
• Space dictates.
M27325
Ideal when...
SUPPLY
• Running TrueDRY DH90 opposite A/C operation.
Running with A/C operation requires damper on the
exhaust port to minimize backdraft when TrueDRY
DH90 is not on but A/C is.
• Minimizing DAT increase is preferred.
• Space dictates.
BACKDRAFT
DAMPER
M27324
Ideal when...
SUPPLY
• Drying a specific area of the house.
• Running with A/C operation requires backdraft
damper on the exhaust port to minimize backdraft
when TrueDRY DH90 is not on but A/C is.
• Minimizing DAT increase is preferred.
BACKDRAFT
DAMPER
M27326
Ideal when...
SUPPLY
• Running TrueDRY DH90 with A/C operation.
• Drying a specific area of the house.
• Minimizing DAT increase is preferred.
M27601
Ideal when...
• Drying a specific conditioned or unconditioned area,
such as attic, basement, or crawl space.
• Balanced dehumidification is needed without
ventilation.
• Minimizing DAT is not a concern.
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