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6.4.8. Ventilator
The ventilator can be exercised through all of its operating speeds with this menu
option. To end the ventilator checkout, touch STOP.
S Humidifier Check: High, Low or Off
NOTE: This option may NOT available with the ERVXXNVA ventilator due to its
simplified control design.
6.4.9. Zoning (If Applicable)
6.4.9.1. Airflow Limits
Because there is no bypass damper, the zone airflow limit check will allow the
installer to assess the airflow noise generated by the system providing the
maximum amount of airflow to each zone. Touch AIRFLOW LIMITS:When
START is touched, the selected zone’s damper will fully open, all others will close,
and the indoor unit will provide the maximum airflow for that zone (as selected in
SETUP — ZONING, Airflow Limits). If the airflow noise is objectionable, the
installer can select a lower airflow noise limit. If the noise is not objectionable, the
installer should leave HIGH selected, or even NO LIMIT.
NOTE: Selecting a lower airflow noise limit may decrease the homeowner’s
comfort in that zone.
Touch the Left (<) or Right (>) buttons to change the desired zones. Once the
proper airflow limits are set, touch SAVE,toseeZONING CHECKOUT menu.
6.4.9.2. Damper/Sensor Check
The Sensor/Damper Check allows the installer to check each zone damper for
operation, as well as insure the zone sensor corresponds to that particular zone.
When first initiated, the Zone 1 damper will fully open, and all other zones will
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