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Install To Fit Your Application (Continued); Plumbing - Honeywell DR90A3000 Installation Manual

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Install to Fit Your Application (continued)

Main Return to Main Return
C
RETURN
DEHUMIDIFIER
Dedicated Return to Dedicated Supply
D
SEPARATE
RETURN

Plumbing

DR90/DR120A3000 Dehumidification System 33-00298EFS—01
AIR HANDLER
DEHUMIDIFIER
SUPPLY
M36846
Attach 3/4" male NPT drain nozzle.
Connect 1/2" drain tube to male connection drain outlet.
Secure drain tube to connector with hose clamp.
Run drain hose continuously downhill to an approved drain
or condensate pump.
The drain line must include a water trap to prevent air from
entering or exiting the dehumidifier.
Ideal when...
SUPPLY
Running DR90/DR120A3000 with A/C
operation.
Minimizing discharge air temperature
(DAT) increase is preferred.
M36845
Access to a dedicated return is not
possible.
NOTE: Running dehumidifier after A/C
shutoff may cause excess water on A/C
evaporator coil to re-humidify air for a
short amount of time.
Ideal when...
The dehumidifier will not be ducted to a
forced air HVAC system.
7

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