Honeywell DR120 Merkblatt
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
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.
© 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
DAMPER
(OPTIONAL)
GRAVITY DAMPER
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
• Minimizing discharge air temperature
(DAT) increase is preferred.
• Access to a dedicated central return for
TrueDRY DR65 is not available.