DR90 Spec Sheet

Home and Building Technologies
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
http://customer.honeywell.com
® U.S. Registered Trademark.
© 2017 Honeywell International Inc.
33-00329—01 M.S. 07-17
Printed in U.S.A.
Installation Recommendations and Options
Dedicated Return to Main Supply
SUPPLY
RETURN
AIR HANDLER
DEHUMIDIFIER
M36940
SEPARATE
RETURN
BACKDRAFT
DAMPER
(OPTIONAL)
GRAVITY DAMPER
A
SUPPLY
RETURN
AIR HANDLER
DEHUMIDIFIER
M36941
BACKDRAFT
DAMPER
B
Main Return to Main Supply
DEHUMIDIFIER
M36943
SEPARATE
RETURN
SUPPLY
D
Dedicated Return to Dedicated Supply
SUPPLY
RETURN
AIR HANDLER
DEHUMIDIFIER
M36942
C
Main Return to Main Return
Ideal when…
• Access to a dedicated central return
for DR90A3000 is available.
• Combined with A/C operation; requires
backdraft damper on the exhaust
port to minimize backdraft when
DR90A3000 is not on but A/C is.
• Providing dry air to a specific area with
an optional 20% open gravity damper
on DR90A3000 supply.
Ideal when…
• Running DR90A3000 when not running
A/C. Requires damper on the exhaust port to
minimize backdraft when DR90A3000 is not on
but A/C is.
• Access to a dedicated central return for
DR90A3000 is not available.
• System fan should run with dehumidifier for
best results.
Ideal when…
• DR90A3000 will not be ducted to a
forced air HVAC system.
Ideal when…
• Running DR90A3000 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 DR90A3000 is not available.
1. Never operate a unit with a damaged power cord. If the power cord is damaged it must be replaced by the manufacturer, its
service agent, or similarly qualified person in order to avoid a hazard.
2. The appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or
lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
!