18
Fig. 17 — Receiver Indicator Explanation
LEGEND
Indicator Off
Indicator On
Indicator Flashing
Unit off, timer operation off, indoor fan
off, cooling and heating off.
Unit off, timer operation on, indoor fan
off, cooling and heating off.
Unit on, timer operation off, indoor fan
on, cooling and heating off.
Unit on, timer operation off, indoor fan
on, cooling on, and heating off.
Unit on, timer operation off, indoor fan
on, cooling off, and heating on.
Unit on, timer operation off, indoor fan
on, check main PCB battery.
Unit on, timer operation on, indoor fan
on, cooling and heating off.
Unit on, timer operation on, indoor fan
on, cooling on, and heating off.
Unit on, timer operation on, indoor fan
on, cooling off, and heating on.
Unit on, timer operation off, slave unit
controlled by master unit, indoor fan on.
Unit on, timer operation on, indoor fan
on, check battery backup.
Unit on, alarm present, indoor fan on,
check battery backup.
Unit on, alarm present, indoor fan on,
cooling off, heating off.
Fig. 16 — Infrared Receiver
a42-4040
