Install to Fit Your Application (continued)
Main Return to Main Return
Dedicated Return to Dedicated Supply
DR90/DR120A3000 Dehumidification System 33-00298EFS—01
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.
Running DR90/DR120A3000 with A/C
Minimizing discharge air temperature
(DAT) increase is preferred.
Access to a dedicated return is not
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.
The dehumidifier will not be ducted to a
forced air HVAC system.