Honeywell TrueDRY DR90 Quick Start Manual page 2

Installation Recommendations and Options
Dedicated Return to Main Supply
A
RETURN
SEPARATE
RETURN
Main Return to Main Supply
B
RETURN
Main Return to Main Return
C
RETURN
TrueDRY
Dedicated Return to Dedicated Supply
D
SEPARATE
RETURN
!
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.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://customer.honeywell.com
AIR HANDLER
SUPPLY
TrueDRY
(OPTIONAL)
GRAVITY DAMPER
BACKDRAFT
DAMPER
AIR HANDLER
SUPPLY
BACKDRAFT
DAMPER
TrueDRY
AIR HANDLER
TrueDRY
SUPPLY
® U.S. Registered Trademark.
© 2015 Honeywell International Inc.
68-3087—04 M.S. Rev. 06-15
Printed in U.S.A.
Ideal when...
• Access to a dedicated central return for
TrueDRY DR90 is available.
• Combined with A/C operation; requires
backdraft damper on the exhaust port to
minimize backdraft when TrueDRY DR90
is not on but A/C is.
• Providing dry air to a specific area with
M33150 an optional 20% open gravity damper on
TrueDRY DR90 supply.
Ideal when...
• Running TrueDRY DR90 when not
running A/C. Requires damper on the
exhaust port to minimize backdraft when
TrueDRY DR90 is not on but A/C is.
• Access to a dedicated central return for
TrueDRY DR90 is not available.
• System fan should run with dehumidifier
for best results.
M27324
Ideal when...
• Running TrueDRY DR90 with A/C
SUPPLY
operation.
• System fan must run with dehumidifier.
• Minimizing discharge air temperature
(DAT) increase is preferred.
• Access to a dedicated central return for
M27325
TrueDRY DR90 is not available.
Ideal when...
• TrueDRY DR90 will not be ducted to a
forced air HVAC system.
M33152