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Copyright Enphase Energy Inc. 2010
141-00010 Rev 01
Humidifier
To use the Environ internal humidistat to
control an external humidifier unit, connect
it as shown. Connect the H terminal to the
control leg of the humidifier relay. This
allows H to turn the humidifier ON and
OFF.
Dehumidifier
To use the Environ internal humidistat to
control an external dehumidifier unit,
connect it as shown. Connect the DH
terminal to the control leg of the
dehumidifier relay. This allows DH to turn
the dehumidifier ON and OFF.
Fresh Air
The Fresh Air feature uses the EX relay to
control a baffle on a fresh external air
source. Connect the 24VAC baffle to C and EX terminals.