Aprilaire 1850w, 1830 Zone, 90-1854selections, External Control, Deh W/Ac, RH Offset

SYSTEM SET-UP & CHECKOUT (continued)

Zone

If installing the dehumidifier in a single zone application, select DISABLED and press MODE to go to the EXTERNAL control screen selections..

90-1854

If installing the dehumidifier in a two-zone application, use the UP or DOWN arrows to select ENABLED and press MODE to go to the EXTERNAL control screen

90-1854selections..

External Control

If using the dehumidifier on-board control select DISABLED and press MODE to go to the dehumidificaiton with air conditioning (DEH W/AC) screen

90-1854selections..

If using a Model 76, Model 8910, or Model 8620 as an external control or other third- party external control, such as a thermostat with dehumidifier

90-1854outputs, use the UP or DOWN arrows to select ENABLED and press MODE to go to the dehumidification with air conditioning (DEH W/AC) screen selections..

DEH W/AC

To allow dehumidification during active air conditioning, select ENABLED and press MODE..

90-1854

To disable dehumidification when the air conditioning is on, select DISABLED and Press MODE..

90-1854

RH Offset

An offset can be applied to the on-board humidity humidity reading to avoid discrepancies with other humidity measuring devices in the home.. Use the UP/

90-1854DOWN arrows to select an offset from -5% to 5%.. Press MODE to exit the installer set-up screens..

16