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42 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN
Diagnostics
– Yes. The AdaptAire control system must be in the Heating mode. In this
mode the smallest allowable amount of outside air is 20%. Verify the
system is in the Heating mode and the MIN VENT SP is set for 20%. See
Heating/Cooling Mode and Minimum Ventilation Sections of this manual.
– No. Continue.
2. Is cooling or ventilation required?
– Yes. The AdaptAire control system must be in the Ventilation/Cooling
mode. In this mode the smallest allowable amount of outside air is 0%.
Verify the system is in the Cooling mode and the MIN VENT SP is set for
the desired percent of outside air. See Heating/Ventilating/Cooling Mode
and Minimum Ventilation Sections of this manual.
– No. Contact factory.