Aprilaire 1830, 1850 System SET-UP & Checkout, Dehumidification Only, Zoning and/or Ventilation

SYSTEM SET-UP & CHECKOUT (continued)

Installer Test Mode

If everything is properly wired, the dehumidifier and all of the wired components will turn on and off during Installer Test Mode to demonstrate that all are properly operating.. Installer Test Mode lasts for four (4) minutes.. If the ON/OFF button is pressed during test mode, the dehumidifier will exit Installer Test Mode and return to the OFF screen..

Dehumidification Only

If the dehumidifier is not already OFF, press the ON/OFF button to turn it off..

90-1854

Press and hold the ON/OFF button and MODE buttons for 3 seconds.. The measured humidity, AIR SAMPLING and TEST will show on the display.. If wired to the

90-1854HVAC system, the HVAC blower will turn on and if there is/are damper(s) wired to the DEH DAMPER terminals of the control, the damper(s) will energize..

After three (3) minutes the dehumidifier compressor will turn on and DEHUMIDIFYING will replace AIR SAMPLING on the control screen..

90-1854

After one minute of compressor operation, all outputs will turn off and DONE will blink for 3 seconds and then return to the OFF screen..

90-1854

90-1854

Zoning and/or Ventilation

If the dehumidifier has been set up for ventilation, VENTILATING will appear on the display throughout Installer Test Mode, and the ventilation damper will be

90-1854energized..

If the dehumidifier has been set up for zoning, PRIMARY ZONE will show on the display for the first minute of dehumidifier blower operation.. After one minute,

90-1854SECONDARY ZONE will show on the display and the zone dampers will de-energize..

17