GE AZ45E07EA Series Technical Service Manual page 42

when temperature is below 50°F.
The make up air module will turn on when the
outdoor relative humidity is above 55%, and turns
is done by the outdoor humidistat located on the
module.
If troubleshooting the make up air module with an
amp probe, the amperage should be between 3/4's
and 1 amp, measured on the blue wire of the make
up air module harness. This is dependent upon the
line voltage.
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